示例#1
0
#!/usr/bin/env python
import rospy
import re  #regular expressions
import serial
from geometry_msgs.msg import Pose2D

pub = rospy.Publisher('imu', Pose2D, queue_size=1)
rospy.init_node('imu_node')
rate = rospy.Rate(50)  #Hz
pose = Pose2D()
portname = rospy.get_param("/imu_node/serial_port", "/dev/ttyACM0")
serial_port = serial.Serial(portname, 115200)
serial_port.flushInput()

while not rospy.is_shutdown():
    try:
        serial_port.write('I')
        buf = serial_port.readline()
        m = re.findall(r"\d+\.\d*", buf)
        rospy.loginfo(m)
        pose.theta = float(m[0])
        pub.publish(pose)
        rate.sleep()
    except:
        pass
示例#2
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 def arr_to_pose2D(self, arr, ang, pose = Pose2D()):
     pose.x = arr[0] + self.odom_pos.x
     pose.y = arr[1] + self.odom_pos.y
     pose.theta = ang
     return pose
示例#3
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def main():
    rospy.init_node('ai', anonymous=False)

    # Create robot objects that store that current robot's state
    _create_robots()
 
    global _ball
    _ball = Ball()

    # Subscribe to Robot States
    rospy.Subscriber('my_state', RobotState, lambda msg: _handle_robot_state(msg, 'me'))
    rospy.Subscriber('ally_state', RobotState, lambda msg: _handle_robot_state(msg, 'ally'))
    rospy.Subscriber('opponent1_state', RobotState, lambda msg: _handle_robot_state(msg, 'opp1'))
    rospy.Subscriber('opponent2_state', RobotState, lambda msg: _handle_robot_state(msg, 'opp2'))

    rospy.Subscriber('ball_state', BallState, _handle_ball_state)

    # This message will tell us if we are to be playing or not right now
    rospy.Subscriber('/game_state', GameState, _handle_game_state)

    pub = rospy.Publisher('desired_position', Pose2D, queue_size=10)

    rate = rospy.Rate(100) #100 Hz
    while not rospy.is_shutdown():

        # Was there a goal to tell Strategy about?
        if _game_state['us_goal']:
            goal = Strategy.G.US
            _game_state['us_goal'] = False

        elif _game_state['them_goal']:
            goal = Strategy.G.THEM
            _game_state['them_goal'] = False

        else:
            goal = Strategy.G.NO_ONE

        # We didn't name this well ha. So 'not' it
        one_v_one = not _game_state['two_v_two']

        (x_c, y_c, theta_c) = Strategy.choose_strategy(_me, _ally, _opp1, _opp2, _ball, \
                                        was_goal=goal, one_v_one=one_v_one)

        # Get a message ready to send
        msg = Pose2D()

        if _game_state['play']:
            # Run AI as normal
            msg.x = x_c
            msg.y = y_c
            msg.theta = theta_c
        else:
            # Send robot to home
            if _me.ally1:
                msg.x = Constants.ally1_start_pos[0]
                msg.y = Constants.ally1_start_pos[1]
                msg.theta = Constants.ally1_start_pos[2]
            elif _me.ally2:
                msg.x = Constants.ally2_start_pos[0]
                msg.y = Constants.ally2_start_pos[1]
                msg.theta = Constants.ally2_start_pos[2]

        # If it's not the first time, the robot will 'hold its ground'
        # even while paused. (See guidedog_node.py)
        if not _game_state['first_time']:
            pub.publish(msg)

        rate.sleep()

    # spin() simply keeps python from exiting until this node is stopped
    rospy.spin()
示例#4
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    def run_navigator(self):
        """ computes a path from current state to goal state using A* and sends it to the path controller """

        # makes sure we have a location
        try:
            (translation, rotation) = self.trans_listener.lookupTransform(
                '/map', '/base_footprint', rospy.Time(0))
            self.x = translation[0]
            self.y = translation[1]
            euler = tf.transformations.euler_from_quaternion(rotation)
            self.theta = euler[2]
        except (tf.LookupException, tf.ConnectivityException,
                tf.ExtrapolationException):
            self.current_plan = []
            return

        # makes sure we have a map
        if not self.occupancy:
            self.current_plan = []
            return

        # if close to the goal, use the pose_controller instead
        if self.close_to_end_location():
            #rospy.loginfo("Navigator: Close to nav goal using pose controller")
            pose_g_msg = Pose2D()
            pose_g_msg.x = self.x_g
            pose_g_msg.y = self.y_g
            pose_g_msg.theta = self.theta_g
            self.nav_pose_pub.publish(pose_g_msg)
            self.current_plan = []
            self.V_prev = 0
            return

        # if there is no plan, we are far from the start of the plan,
        # or the occupancy grid has been updated, update the current plan
        if len(self.current_plan) == 0 or not (
                self.close_to_start_location()) or self.occupancy_updated:

            # use A* to compute new plan
            state_min = self.snap_to_grid(
                (-self.plan_horizon, -self.plan_horizon))
            state_max = self.snap_to_grid(
                (self.plan_horizon, self.plan_horizon))
            x_init = self.snap_to_grid((self.x, self.y))
            x_goal = self.snap_to_grid((self.x_g, self.y_g))
            problem = AStar(state_min, state_max, x_init, x_goal,
                            self.occupancy, self.plan_resolution)

            #rospy.loginfo("Navigator: Computing navigation plan")
            #rospy.loginfo("Self at %f %f %f", self.x, self.y, self.theta)
            #rospy.loginfo("Goal is %f %f %f", self.x_g, self.y_g, self.theta_g)
            if problem.solve():
                #rospy.loginfo("There is a path")
                if len(problem.path) > 3:
                    #rospy.loginfo("Computing splines")
                    # cubic spline interpolation requires 4 points
                    self.current_plan = problem.path
                    self.current_plan_start_time = rospy.get_rostime()
                    self.current_plan_start_loc = [self.x, self.y]
                    self.occupancy_updated = False

                    # publish plan for visualization
                    path_msg = Path()
                    path_msg.header.frame_id = 'map'
                    for state in self.current_plan:
                        pose_st = PoseStamped()
                        pose_st.pose.position.x = state[0]
                        pose_st.pose.position.y = state[1]
                        pose_st.pose.orientation.w = 1
                        pose_st.header.frame_id = 'map'
                        path_msg.poses.append(pose_st)
                    self.nav_path_pub.publish(path_msg)

                    path_t = [0]
                    path_x = [self.current_plan[0][0]]
                    path_y = [self.current_plan[0][1]]
                    for i in range(len(self.current_plan) - 1):
                        dx = self.current_plan[i +
                                               1][0] - self.current_plan[i][0]
                        dy = self.current_plan[i +
                                               1][1] - self.current_plan[i][1]
                        path_t.append(path_t[i] +
                                      np.sqrt(dx**2 + dy**2) / V_DES)
                        path_x.append(self.current_plan[i + 1][0])
                        path_y.append(self.current_plan[i + 1][1])

                    # interpolate the path with cubic spline
                    self.path_x_spline = scipy.interpolate.splrep(path_t,
                                                                  path_x,
                                                                  k=3,
                                                                  s=SMOOTH)
                    self.path_y_spline = scipy.interpolate.splrep(path_t,
                                                                  path_y,
                                                                  k=3,
                                                                  s=SMOOTH)
                    self.path_tf = path_t[-1]

                    # to inspect the interpolation and smoothing
                    # t_test = np.linspace(path_t[0],path_t[-1],1000)
                    # plt.plot(path_t,path_x,'ro')
                    # plt.plot(t_test,scipy.interpolate.splev(t_test,self.path_x_spline,der=0))
                    # plt.plot(path_t,path_y,'bo')
                    # plt.plot(t_test,scipy.interpolate.splev(t_test,self.path_y_spline,der=0))
                    # plt.show()
                else:
                    rospy.logwarn("Navigator: Path too short, not updating")
            else:
                rospy.logwarn("Navigator: Could not find path")
                pose_g_msg = Pose2D()
                pose_g_msg.x = self.x
                pose_g_msg.y = self.y
                self.x_g = self.x
                self.y_g = self.y
                self.theta_g = self.theta
                pose_g_msg.theta = self.theta
                self.nav_pose_pub.publish(pose_g_msg)
                self.current_plan = []
                self.V_prev = 0
                return

        # if we have a path, execute it (we need at least 3 points for this controller)
        if len(self.current_plan) > 3:
            #rospy.loginfo("Executing path")
            # if currently not moving, first line up with the plan
            if self.V_prev == 0:
                #rospy.loginfo("Currently stopped. Trying to go to path")
                t_path_init = (rospy.get_rostime() -
                               self.current_plan_start_time).to_sec()
                theta_init = np.arctan2(
                    self.current_plan[1][1] - self.current_plan[0][1],
                    self.current_plan[1][0] - self.current_plan[0][0])
                theta_err = theta_init - self.theta
                if abs(theta_err) > THETA_START_THRESH:
                    cmd_msg = Twist()
                    cmd_msg.linear.x = 0
                    cmd_msg.angular.z = THETA_START_P * theta_err
                    self.nav_vel_pub.publish(cmd_msg)
                    return

            # compute the "current" time along the path execution
            t = (rospy.get_rostime() - self.current_plan_start_time).to_sec()
            t = max(0.0, t)
            t = min(t, self.path_tf)

            x_d = scipy.interpolate.splev(t, self.path_x_spline, der=0)
            y_d = scipy.interpolate.splev(t, self.path_y_spline, der=0)
            xd_d = scipy.interpolate.splev(t, self.path_x_spline, der=1)
            yd_d = scipy.interpolate.splev(t, self.path_y_spline, der=1)
            xdd_d = scipy.interpolate.splev(t, self.path_x_spline, der=2)
            ydd_d = scipy.interpolate.splev(t, self.path_y_spline, der=2)

            # publish current desired x and y for visualization only
            pathsp_msg = PoseStamped()
            pathsp_msg.header.frame_id = 'map'
            pathsp_msg.pose.position.x = x_d
            pathsp_msg.pose.position.y = y_d
            theta_d = np.arctan2(yd_d, xd_d)
            quat_d = tf.transformations.quaternion_from_euler(0, 0, theta_d)
            pathsp_msg.pose.orientation.x = quat_d[0]
            pathsp_msg.pose.orientation.y = quat_d[1]
            pathsp_msg.pose.orientation.z = quat_d[2]
            pathsp_msg.pose.orientation.w = quat_d[3]
            self.nav_pathsp_pub.publish(pathsp_msg)

            if self.V_prev <= 0.0001:
                self.V_prev = linalg.norm([xd_d, yd_d])

            dt = (rospy.get_rostime() - self.V_prev_t).to_sec()

            xd = self.V_prev * np.cos(self.theta)
            yd = self.V_prev * np.sin(self.theta)

            u = np.array([
                xdd_d + KPX * (x_d - self.x) + KDX * (xd_d - xd),
                ydd_d + KPY * (y_d - self.y) + KDY * (yd_d - yd)
            ])
            J = np.array(
                [[np.cos(self.theta), -self.V_prev * np.sin(self.theta)],
                 [np.sin(self.theta), self.V_prev * np.cos(self.theta)]])
            a, om = linalg.solve(J, u)
            V = self.V_prev + a * dt

            # apply saturation limits
            cmd_x_dot = np.sign(V) * min(V_MAX, np.abs(V))
            cmd_theta_dot = np.sign(om) * min(W_MAX, np.abs(om))
        elif len(self.current_plan) > 0:
            # using the pose controller for paths too short
            # just send the next point
            pose_g_msg = Pose2D()
            pose_g_msg.x = self.current_plan[0][0]
            pose_g_msg.y = self.current_plan[0][1]
            if len(self.current_plan) > 1:
                pose_g_msg.theta = np.arctan2(
                    self.current_plan[1][1] - self.current_plan[0][1],
                    self.current_plan[1][0] - self.current_plan[0][0])
            else:
                pose_g_msg.theta = self.theta_g
            self.nav_pose_pub.publish(pose_g_msg)
            return
        else:
            # just stop
            cmd_x_dot = 0
            cmd_theta_dot = 0

        # saving the last velocity for the controller
        self.V_prev = cmd_x_dot
        self.V_prev_t = rospy.get_rostime()

        cmd_msg = Twist()
        cmd_msg.linear.x = cmd_x_dot
        cmd_msg.angular.z = cmd_theta_dot
        self.nav_vel_pub.publish(cmd_msg)
示例#5
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 def go_to_goal(self):
     pose_g_msg = Pose2D()
     pose_g_msg.x = self.cur_goal[0]
     pose_g_msg.y = self.cur_goal[1]
def init(args):
    # Initialize all publishers, subscribers, state variables
    global g_namespace, g_pose, g_ir_sensors, g_us_sensor, g_world_starting_pose, g_world_obstacles, g_world_surface, g_motors, g_ping_requested, g_servo_angle
    global g_pub_state, g_pub_odom, g_sub_motors, g_sub_ping, g_sub_odom, g_sub_servo, g_render_requested, g_sub_render
    global g_tk_window, g_tk_label, g_render_image_base

    g_namespace = args.namespace

    rospy.init_node("sparki_simulator_%s" % g_namespace)

    g_ir_sensors = [0] * 5
    g_us_sensor = -1
    g_motors = [0., 0.]
    g_servo_angle = 0
    g_ping_requested = False
    g_world_starting_pose = Pose2D()
    g_world_starting_pose.x, g_world_starting_pose.y, g_world_starting_pose.theta = args.startingpose[
        0], args.startingpose[1], args.startingpose[2]
    g_pose = copy.copy(g_world_starting_pose)

    g_world_obstacles = load_img_to_bool_matrix(args.obstacles)
    g_world_surface = load_img_to_bool_matrix(args.worldmap)

    if (g_world_obstacles.size != g_world_surface.size):
        g_world_obstacles = load_img_to_bool_matrix(None)
        g_world_surface = load_img_to_bool_matrix(None)
        rospy.logerr(
            "Obstacle map and surface map have different dimensions. Resetting to blank!"
        )

    MAP_SIZE_X = g_world_obstacles.shape[1]
    MAP_SIZE_Y = g_world_obstacles.shape[0]

    g_pub_odom = rospy.Publisher("/%s/odometry" % g_namespace,
                                 Pose2D,
                                 queue_size=10)
    g_pub_state = rospy.Publisher('/%s/state' % g_namespace,
                                  String,
                                  queue_size=10)

    g_sub_motors = rospy.Subscriber('/%s/motor_command' % g_namespace,
                                    Float32MultiArray, recv_motor_command)
    g_sub_ping = rospy.Subscriber('/%s/ping_command' % g_namespace, Empty,
                                  recv_ping)
    g_sub_odom = rospy.Subscriber('/%s/set_odometry' % g_namespace, Pose2D,
                                  set_odometry)
    g_sub_servo = rospy.Subscriber('/%s/set_servo' % g_namespace, Int16,
                                   set_servo)
    g_sub_render = rospy.Subscriber('/%s/render_sim' % g_namespace, Empty,
                                    recv_render)

    g_tk_window = tk.Tk()
    img = ImageTk.PhotoImage('RGB', (MAP_SIZE_X, MAP_SIZE_Y))
    g_tk_label = tk.Label(g_tk_window, image=img)
    g_tk_label.pack(fill="both", expand="yes")

    g_render_requested = True
    g_render_image_base = Image.new('RGB', (MAP_SIZE_X, MAP_SIZE_Y),
                                    color='white')
    for y_coord in range(0, MAP_SIZE_Y):
        for x_coord in range(0, MAP_SIZE_X):
            # Add line-following diagram as shades of black-to-red
            if g_world_surface[y_coord, x_coord] > 0:
                g_render_image_base.putpixel(
                    (x_coord, y_coord),
                    (255 - int(g_world_surface[y_coord, x_coord] / 5), 0, 0))

            # Add objects as shades of black-to-green
            if g_world_obstacles[y_coord, x_coord] > 0:
                g_render_image_base.putpixel(
                    (x_coord, y_coord),
                    (0, 255 - int(g_world_surface[y_coord, x_coord] / 5), 0))
示例#7
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    FT = F.T

    pp = np.dot(F, np.dot(P, FT)) + V

    y = gps - np.dot(H, xp)

    S = np.dot(H, np.dot(pp, HT)) + W
    SI = np.linalg.inv(S)

    kal = np.dot(pp, np.dot(HT, SI))

    xf = xp + np.dot(kal, y)

    P = pp - np.dot(kal, np.dot(H, pp))

    gpsfil = Pose2D()
    gpsfil.x = xf[0]
    gpsfil.y = xf[1]
    gpsfil.theta = xf[2]

    pub.publish(gpsfil)

    estPose = PoseStamped()
    estPose.header.frame_id = "map"
    estPose.pose.position.x = xf[0]
    estPose.pose.position.y = xf[1]
    quaternion = tf.transformations.quaternion_from_euler(0, 0, xf[2])
    estPose.pose.orientation.x = quaternion[0]
    estPose.pose.orientation.y = quaternion[1]
    estPose.pose.orientation.z = quaternion[2]
    estPose.pose.orientation.w = quaternion[3]
示例#8
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    def update_odometry(self):
        # Get wheel encoder ticks
        ticks = self.robot.get_wheel_ticks()

        # Have not seen a wheel encoder message yet so no need to do anything
        if ticks["r"] == None or ticks["l"] == None:
            return

        # Robot may not start with encoder count at zero
        if self.prev_wheel_ticks == None:
            self.prev_wheel_ticks = {"r": ticks["r"], "l": ticks["l"]}
            rospy.loginfo(rospy.get_caller_id() + " initial r ticks: " +
                          str(ticks["r"]))
            rospy.loginfo(rospy.get_caller_id() + " initial l ticks: " +
                          str(ticks["l"]))

        # If ticks are the same since last time, then no need to update either
        if ticks["r"] == self.prev_wheel_ticks["r"] and \
           ticks["l"] == self.prev_wheel_ticks["l"]:
            return

        # Get current pose from robot
        prev_pose = self.robot.pose2D

        # Compute odometry - kinematics in meters
        R = self.robot.wheel_radius
        L = self.robot.wheelbase
        ticks_per_rev = self.robot.encoder_ticks_per_rev
        meters_per_tick = (2.0 * math.pi * R) / ticks_per_rev

        # How far did each wheel move
        meters_right = \
            meters_per_tick * (ticks["r"] - self.prev_wheel_ticks["r"])
        meters_left = \
            meters_per_tick * (ticks["l"] - self.prev_wheel_ticks["l"])
        meters_center = (meters_right + meters_left) * 0.5

        # Compute new pose
        x_dt = meters_center * math.cos(prev_pose.theta)
        y_dt = meters_center * math.sin(prev_pose.theta)
        theta_dt = (meters_right - meters_left) / L

        new_pose = Pose2D(0.0, 0.0, 0.0)
        new_pose.x = prev_pose.x + x_dt
        new_pose.y = prev_pose.y + y_dt
        new_pose.theta = prev_pose.theta + theta_dt

        if True:
            rospy.loginfo(rospy.get_caller_id() + " prev r ticks: " +
                          str(self.prev_wheel_ticks["r"]))
            rospy.loginfo(rospy.get_caller_id() + " prev l ticks: " +
                          str(self.prev_wheel_ticks["l"]))
            rospy.loginfo(rospy.get_caller_id() + " r ticks: " +
                          str(ticks["r"]))
            rospy.loginfo(rospy.get_caller_id() + " l ticks: " +
                          str(ticks["l"]))

            rospy.loginfo(rospy.get_caller_id() + " x: " + str(new_pose.x))
            rospy.loginfo(rospy.get_caller_id() + " y: " + str(new_pose.y))
            rospy.loginfo(rospy.get_caller_id() + " theta: " +
                          str(new_pose.theta))

        # Update robot with new pose
        self.robot.pose2D = new_pose

        # Update the tick count
        self.prev_wheel_ticks["r"] = ticks["r"]
        self.prev_wheel_ticks["l"] = ticks["l"]

        # Broadcast pose as ROS tf
        br = tf2_ros.TransformBroadcaster()
        t = TransformStamped()
        t.header.stamp = rospy.Time.now()
        t.header.frame_id = "world"
        t.child_frame_id = "rosbots_robot"
        t.transform.translation.x = new_pose.x
        t.transform.translation.y = new_pose.y
        t.transform.translation.z = 0.0
        q = tf.transformations.quaternion_from_euler(0, 0, new_pose.theta)
        t.transform.rotation.x = q[0]
        t.transform.rotation.y = q[1]
        t.transform.rotation.z = q[2]
        t.transform.rotation.w = q[3]
        br.sendTransform(t)
    def callback(self, data):
        # 使用cv_bridge将ROS的图像数据转换成OpenCV的图像格式
        try:
            cv_image = self.bridge.imgmsg_to_cv2(data, "bgr8")
        except CvBridgeError as e:
            print e

        ## 裁剪原始图片
        h, w, ch = cv_image.shape
        img_trim = cv_image[50:320, 210:520]

        ## 滤波&转换色彩空间
        img_blur1 = cv2.bilateralFilter(img_trim, 9, 75, 75)
        img_blur2 = cv2.blur(img_blur1, (5, 5))
        img_hsv = cv2.cvtColor(img_blur2, cv2.COLOR_BGR2HSV)

        ## 设定object的HSV色彩空间阈值范围
        lower_obj = np.array([81, 50, 0])
        higher_obj = np.array([154, 139, 255])

        ## 根据HSV色彩空间范围区分object和后景
        img_mask = cv2.inRange(img_hsv, lower_obj, higher_obj)

        ## 寻找轮廓
        contours, hierarchy = cv2.findContours(img_mask, cv2.RETR_TREE,
                                               cv2.CHAIN_APPROX_SIMPLE)
        cnt = contours[0]
        bg_contours = np.zeros(img_trim.shape, dtype=np.uint8)
        contours_result = cv2.drawContours(bg_contours, [cnt], 0, (0, 255, 0),
                                           2)

        ## 轮廓逼近拟合
        epsilon = 0.01 * cv2.arcLength(cnt, True)
        approx = cv2.approxPolyDP(cnt, epsilon, True)

        ## 分析几何形状
        corners = len(approx)

        ## 绘制拟合轮廓
        bg_approx = np.zeros(img_trim.shape, dtype=np.uint8)
        approx_result = cv2.drawContours(bg_approx, [approx], -1, (255, 0, 0),
                                         3)

        ## 求解中心位置
        # 设定初始值
        cx = 0
        cy = 0
        mm = cv2.moments(approx)
        if mm['m00'] != 0:
            cx = int(mm['m10'] / mm['m00'])
            cy = int(mm['m01'] / mm['m00'])
            result = cv2.circle(approx_result, (cx, cy), 3, (0, 0, 255), -1)
        else:
            pass

        # print "中心位置坐标", cx, cy

        img_result = approx_result
        # print cv_image.shape

        # 显示Opencv格式的图像
        # cv2.imshow("Image window", cv_image)
        # cv2.waitKey(3)
        object_pose = Pose2D()
        object_pose.x = cx
        object_pose.y = cy
        object_pose.theta = 0

        # 再将opencv格式额数据转换成ros image格式的数据发布
        try:
            self.image_pub.publish(
                self.bridge.cv2_to_imgmsg(img_result, "bgr8"))
            self.coordinate_pub.publish(object_pose)
        except CvBridgeError as e:
            print e
示例#10
0
    def _indirect_control_update(self):
        # Controller経由でロボットを操縦する

        MOVE_GAIN = 0.04  # meters
        MOVE_GAIN_ANGLE = 0.04 * math.pi  # radians

        control_enable = True

        # メッセージを取得してない場合は抜ける
        if self._joy_msg is None:
            return

        color_or_id_changed = False
        current_joy_pose = self._joy_target.path[-1]

        # シャットダウン
        if self._joy_msg.buttons[self._BUTTON_SHUTDOWN_1] and\
                self._joy_msg.buttons[self._BUTTON_SHUTDOWN_2]:
            rospy.signal_shutdown('finish')
            return

        # チームカラーの変更
        if self._joy_msg.buttons[self._BUTTON_COLOR_ENABLE]:
            # カラー変更直後は操縦を停止する
            self._indirect_control_enable = False

            if math.fabs(self._joy_msg.axes[self._AXIS_COLOR_CHANGE]) > 0:
                self._is_yellow = not self._is_yellow
                print 'is_yellow: ' + str(self._is_yellow)
                color_or_id_changed = True
                # キーが離れるまでループ
                while self._joy_msg.axes[self._AXIS_COLOR_CHANGE] != 0:
                    pass

        # IDの変更
        if self._joy_msg.buttons[self._BUTTON_ID_ENABLE]:
            # ID変更直後は操縦を停止する
            self._indirect_control_enable = False

            if math.fabs(self._joy_msg.axes[self._AXIS_ID_CHANGE]) > 0:
                # 十字キーの入力に合わせて、IDを増減させる
                self._robot_id += int(self._joy_msg.axes[self._AXIS_ID_CHANGE])

                if self._robot_id > self._MAX_ID:
                    self._robot_id = self._MAX_ID
                if self._robot_id < 0:
                    self._robot_id = 0
                print 'robot_id:' + str(self._robot_id)
                color_or_id_changed = True
                # キーが離れるまでループ
                while self._joy_msg.axes[self._AXIS_ID_CHANGE] != 0:
                    pass

        # poseの更新
        if self._joy_msg.buttons[self._BUTTON_MOVE_ENABLE]:
            # 操縦を許可する
            self._indirect_control_enable = True

            if math.fabs(self._joy_msg.axes[self._AXIS_VEL_SWAY]):
                # joystickの仕様により符号を反転している
                gain = MOVE_GAIN * self._joy_msg.axes[self._AXIS_VEL_SWAY]
                current_joy_pose.x += math.copysign(
                    gain, -self._joy_msg.axes[self._AXIS_VEL_SWAY])

            if math.fabs(self._joy_msg.axes[self._AXIS_VEL_SURGE]):
                gain = MOVE_GAIN * self._joy_msg.axes[self._AXIS_VEL_SURGE]
                current_joy_pose.y += math.copysign(
                    gain, self._joy_msg.axes[self._AXIS_VEL_SURGE])

            if math.fabs(self._joy_msg.axes[self._AXIS_VEL_ANGULAR]):
                gain = MOVE_GAIN_ANGLE * self._joy_msg.axes[
                    self._AXIS_VEL_ANGULAR]
                current_joy_pose.theta += math.copysign(
                    gain, self._joy_msg.axes[self._AXIS_VEL_ANGULAR])

                current_joy_pose.theta = angle_normalize(
                    current_joy_pose.theta)

        # パスの末尾にセット
        self._joy_target.path[-1] = current_joy_pose

        # Pathの操作
        if self._joy_msg.buttons[self._BUTTON_PATH_ENABLE]:
            # 操縦を許可する
            self._indirect_control_enable = True

            # Poseの追加
            if self._joy_msg.buttons[self._BUTTON_ADD_POSE]:
                self._joy_target.path.append(copy.deepcopy(current_joy_pose))
                print 'add pose' + str(len(self._joy_target.path))
                # キーが離れるまでループ
                while self._joy_msg.buttons[self._BUTTON_ADD_POSE] != 0:
                    pass

            # Pathの初期化
            if self._joy_msg.buttons[self._BUTTON_DELETE_PATH]:
                self._joy_target.path = []
                self._joy_target.path.append(Pose2D())
                print 'delete  path'
                # キーが離れるまでループ
                while self._joy_msg.buttons[self._BUTTON_DELETE_PATH] != 0:
                    pass

            # ControlTargetの送信
            if self._joy_msg.buttons[self._BUTTON_SEND_TARGET]:
                self._joy_target.robot_id = self._robot_id
                self._joy_target.control_enable = True

                color = 'blue'
                if self._is_yellow:
                    color = 'yellow'

                # 末尾に16進数の文字列をつける
                topic_id = hex(self._robot_id)[2:]
                topic_name = 'consai2_game/control_target_' + color + '_' + topic_id
                pub_control_target = rospy.Publisher(topic_name,
                                                     ControlTarget,
                                                     queue_size=1)

                pub_control_target.publish(self._joy_target)
                # self._pub_control_target.publish(self._joy_target)
                print 'send target'

        # Color, ID変更ボタンを押すことで操縦を停止できる
        if self._indirect_control_enable is False:
            stop_target = ControlTarget()
            stop_target.robot_id = self._robot_id
            stop_target.control_enable = False

            color = 'blue'
            if self._is_yellow:
                color = 'yellow'

            # 末尾に16進数の文字列をつける
            topic_id = hex(self._robot_id)[2:]
            topic_name = 'consai2_game/control_target_' + color + '_' + topic_id
            pub_control_target = rospy.Publisher(topic_name,
                                                 ControlTarget,
                                                 queue_size=1)

            pub_control_target.publish()

        self._pub_joy_target.publish(self._joy_target)
示例#11
0
    def __init__(self):

        self._MAX_ID = rospy.get_param('consai2_description/max_id')
        # 直接操縦かcontrol経由の操縦かを決める
        self._DIRECT = rospy.get_param('~direct')
        # /consai2_examples/launch/joystick_example.launch でキー割り当てを変更する
        self._BUTTON_SHUTDOWN_1 = rospy.get_param('~button_shutdown_1')
        self._BUTTON_SHUTDOWN_2 = rospy.get_param('~button_shutdown_2')

        self._BUTTON_MOVE_ENABLE = rospy.get_param('~button_move_enable')
        self._AXIS_VEL_SURGE = rospy.get_param('~axis_vel_surge')
        self._AXIS_VEL_SWAY = rospy.get_param('~axis_vel_sway')
        self._AXIS_VEL_ANGULAR = rospy.get_param('~axis_vel_angular')

        self._BUTTON_KICK_ENABLE = rospy.get_param('~button_kick_enable')
        self._BUTTON_KICK_STRAIGHT = rospy.get_param('~button_kick_straight')
        self._BUTTON_KICK_CHIP = rospy.get_param('~button_kick_chip')
        self._AXIS_KICK_POWER = rospy.get_param('~axis_kick_power')

        self._BUTTON_DRIBBLE_ENABLE = rospy.get_param('~button_dribble_enable')
        self._AXIS_DRIBBLE_POWER = rospy.get_param('~axis_dribble_power')

        self._BUTTON_ID_ENABLE = rospy.get_param('~button_id_enable')
        self._AXIS_ID_CHANGE = rospy.get_param('~axis_id_change')

        self._BUTTON_COLOR_ENABLE = rospy.get_param('~button_color_enable')
        self._AXIS_COLOR_CHANGE = rospy.get_param('~axis_color_change')

        self._BUTTON_ALL_ID_1 = rospy.get_param('~button_all_id_1')
        self._BUTTON_ALL_ID_2 = rospy.get_param('~button_all_id_2')
        self._BUTTON_ALL_ID_3 = rospy.get_param('~button_all_id_3')
        self._BUTTON_ALL_ID_4 = rospy.get_param('~button_all_id_4')

        # indirect control用の定数
        self._BUTTON_PATH_ENABLE = rospy.get_param('~button_path_enable')
        self._BUTTON_ADD_POSE = rospy.get_param('~button_add_pose')
        self._BUTTON_DELETE_PATH = rospy.get_param('~button_delete_path')
        self._BUTTON_SEND_TARGET = rospy.get_param('~button_send_target')

        self._MAX_VEL_SURGE = 1.0
        self._MAX_VEL_SWAY = 1.0
        self._MAX_VEL_ANGULAR = math.pi

        self._MAX_KICK_POWER = 1.0  # DO NOT EDIT
        self._KICK_POWER_CONTROL = 0.1

        self._MAX_DRIBBLE_POWER = 1.0  # DO NOT EDIT
        self._DRIBBLE_POWER_CONTROL = 0.1

        self._indirect_control_enable = True

        # direct control用のパラメータ
        self._kick_power = 0.5
        self._dribble_power = 0.5
        self._robot_id = 0
        self._is_yellow = False
        self._all_member = False

        self._pub_commands = rospy.Publisher('consai2_control/robot_commands',
                                             RobotCommands,
                                             queue_size=1)

        self._joy_msg = None
        self._sub_joy = rospy.Subscriber('joy',
                                         Joy,
                                         self._callback_joy,
                                         queue_size=1)

        self._pub_joy_target = rospy.Publisher('consai2_examples/joy_target',
                                               ControlTarget,
                                               queue_size=1)
        self._joy_target = ControlTarget()
        self._joy_target.path.append(Pose2D())  # スタート位置をセット
示例#12
0
    def _decode_referee(self, msg):
        decoded_msg = DecodedReferee()

        decoded_msg.referee_id = self._decode_referee_id(msg.command)
        decoded_msg.referee_text = REFEREE_TEXT.get(decoded_msg.referee_id, 'INVALID_COMMAND')
        decoded_msg.placement_position = msg.designated_position

        # Decode restrictions
        if decoded_msg.referee_id == self._DECODE_ID["HALT"] \
                or decoded_msg.referee_id == self._DECODE_ID["OUR"] + self._DECODE_ID["GOAL"] \
                or decoded_msg.referee_id == self._DECODE_ID["THEIR"] + self._DECODE_ID["GOAL"]:
            # Reference : Rule 2019, 5.1.2 Halt
            decoded_msg.can_move_robot = False
            decoded_msg.speed_limit_of_robot = self._NO_LIMIT
            decoded_msg.can_kick_ball = False
            decoded_msg.can_enter_their_side = False
            decoded_msg.can_enter_center_circle = False
            decoded_msg.keep_out_radius_from_ball = self._NO_LIMIT
            decoded_msg.keep_out_distance_from_their_defense_area = self._NO_LIMIT

        elif decoded_msg.referee_id == self._DECODE_ID["STOP"]:
            # Reference : Rule 2019, 5.1.1 Stop
            decoded_msg.can_move_robot = True
            decoded_msg.speed_limit_of_robot = self._SPEED_LIMIT_OF_ROBOT
            decoded_msg.can_kick_ball = False
            decoded_msg.can_enter_their_side = True
            decoded_msg.can_enter_center_circle = True
            decoded_msg.keep_out_radius_from_ball = self._KEEP_OUT_RADIUS_FROM_BALL
            decoded_msg.keep_out_distance_from_their_defense_area = \
                    self._KEEP_OUT_DISTANCE_FROM_THEIR_DEFENSE_AREA

        elif decoded_msg.referee_id == self._DECODE_ID["FORCE_START"]:
            # Reference : Rule 2019, 5.3.5 Force Start
            # Reference : Rule 2019, 8.1.6 Ball Speed
            decoded_msg.can_move_robot = True
            decoded_msg.speed_limit_of_robot = self._NO_LIMIT
            decoded_msg.can_kick_ball = True
            decoded_msg.can_enter_their_side = True
            decoded_msg.can_enter_center_circle = True
            decoded_msg.keep_out_radius_from_ball = self._NO_LIMIT
            decoded_msg.keep_out_distance_from_their_defense_area = self._NO_LIMIT

        elif decoded_msg.referee_id == self._DECODE_ID["OUR"] + self._DECODE_ID["KICKOFF_PREPARATION"]:
            # Reference : Rule 2019, 5.3.2 Kick-Off
            decoded_msg.can_move_robot = True
            decoded_msg.speed_limit_of_robot = self._NO_LIMIT
            decoded_msg.can_kick_ball = False
            decoded_msg.can_enter_their_side = False
            decoded_msg.can_enter_center_circle = True
            decoded_msg.keep_out_radius_from_ball = 0 # No limit but robot do not touch the ball
            decoded_msg.keep_out_distance_from_their_defense_area = \
                    self._KEEP_OUT_DISTANCE_FROM_THEIR_DEFENSE_AREA

        elif decoded_msg.referee_id == self._DECODE_ID["OUR"] + self._DECODE_ID["KICKOFF_START"]:
            # Reference : Rule 2019, 5.3.1 Normal Start
            # Reference : Rule 2019, 5.3.2 Kick-Off
            decoded_msg.can_move_robot = True
            decoded_msg.speed_limit_of_robot = self._NO_LIMIT
            decoded_msg.can_kick_ball = True
            decoded_msg.can_enter_their_side = False
            decoded_msg.can_enter_center_circle = True
            decoded_msg.keep_out_radius_from_ball = self._NO_LIMIT
            decoded_msg.keep_out_distance_from_their_defense_area = \
                    self._KEEP_OUT_DISTANCE_FROM_THEIR_DEFENSE_AREA

        elif decoded_msg.referee_id == self._DECODE_ID["OUR"] + self._DECODE_ID["PENALTY_PREPARATION"]:
            # Reference : Rule 2019, 5.3.6 Penalty Kick
            decoded_msg.can_move_robot = True
            decoded_msg.speed_limit_of_robot = self._NO_LIMIT
            decoded_msg.can_kick_ball = False
            decoded_msg.can_enter_their_side = True
            decoded_msg.can_enter_center_circle = True
            decoded_msg.keep_out_radius_from_ball = 0 # No limit but robot do not touch the ball
            decoded_msg.keep_out_distance_from_their_defense_area = self._NO_LIMIT

        elif decoded_msg.referee_id == self._DECODE_ID["OUR"] + self._DECODE_ID["PENALTY_START"]:
            # Reference : Rule 2019, 5.3.1 Normal Start
            # Reference : Rule 2019, 5.3.6 Penalty Kick
            decoded_msg.can_move_robot = True
            decoded_msg.speed_limit_of_robot = self._NO_LIMIT
            decoded_msg.can_kick_ball = True
            decoded_msg.can_enter_their_side = True
            decoded_msg.can_enter_center_circle = True
            decoded_msg.keep_out_radius_from_ball = self._NO_LIMIT
            decoded_msg.keep_out_distance_from_their_defense_area = self._NO_LIMIT

        elif decoded_msg.referee_id == self._DECODE_ID["OUR"] + self._DECODE_ID["DIRECT_FREE"] \
                or decoded_msg.referee_id == self._DECODE_ID["OUR"] + self._DECODE_ID["INDIRECT_FREE"]:
            # Reference : Rule 2019, 5.3.3 Direct Free Kick
            # Reference : Rule 2019, 5.3.6 Indirect Free Kick
            decoded_msg.can_move_robot = True
            decoded_msg.speed_limit_of_robot = self._NO_LIMIT
            decoded_msg.can_kick_ball = True
            decoded_msg.can_enter_their_side = True
            decoded_msg.can_enter_center_circle = True
            decoded_msg.keep_out_radius_from_ball = self._NO_LIMIT
            decoded_msg.keep_out_distance_from_their_defense_area = \
                    self._KEEP_OUT_DISTANCE_FROM_THEIR_DEFENSE_AREA

        elif decoded_msg.referee_id == self._DECODE_ID["OUR"] + self._DECODE_ID["BALL_PLACEMENT"]:
            # Reference : Rule 2019, 5.2 Ball Placement
            # Reference : Rule 2019, 8.2.8 Robot Stop Speed
            decoded_msg.can_move_robot = True
            decoded_msg.speed_limit_of_robot = self._NO_LIMIT
            decoded_msg.can_kick_ball = True
            decoded_msg.can_enter_their_side = True
            decoded_msg.can_enter_center_circle = True
            decoded_msg.keep_out_radius_from_ball = self._NO_LIMIT
            decoded_msg.keep_out_distance_from_their_defense_area = \
                    self._KEEP_OUT_DISTANCE_FROM_THEIR_DEFENSE_AREA

        elif decoded_msg.referee_id == self._DECODE_ID["THEIR"] + self._DECODE_ID["KICKOFF_PREPARATION"] \
                or decoded_msg.referee_id == self._DECODE_ID["THEIR"] + self._DECODE_ID["KICKOFF_START"]:
            # Reference : Rule 2019, 5.3.2 Kick-Off
            decoded_msg.can_move_robot = True
            decoded_msg.speed_limit_of_robot = self._NO_LIMIT
            decoded_msg.can_kick_ball = False
            decoded_msg.can_enter_their_side = False
            decoded_msg.can_enter_center_circle = False
            decoded_msg.keep_out_radius_from_ball = self._KEEP_OUT_RADIUS_FROM_BALL
            decoded_msg.keep_out_distance_from_their_defense_area = \
                    self._KEEP_OUT_DISTANCE_FROM_THEIR_DEFENSE_AREA

        elif decoded_msg.referee_id == self._DECODE_ID["THEIR"] + self._DECODE_ID["PENALTY_PREPARATION"] \
                or decoded_msg.referee_id == self._DECODE_ID["THEIR"] + self._DECODE_ID["PENALTY_START"]:
            # Reference : Rule 2019, 5.3.6 Penalty Kick
            decoded_msg.can_move_robot = True
            decoded_msg.speed_limit_of_robot = self._NO_LIMIT
            decoded_msg.can_kick_ball = False
            decoded_msg.can_enter_their_side = True
            decoded_msg.can_enter_center_circle = True
            decoded_msg.keep_out_radius_from_ball = self._KEEP_OUT_RADIUS_FROM_BALL
            decoded_msg.keep_out_distance_from_their_defense_area = \
                    self._KEEP_OUT_DISTANCE_FROM_THEIR_DEFENSE_AREA

        elif decoded_msg.referee_id == self._DECODE_ID["THEIR"] + self._DECODE_ID["DIRECT_FREE"] \
                or decoded_msg.referee_id == self._DECODE_ID["THEIR"] + self._DECODE_ID["INDIRECT_FREE"] \
                or decoded_msg.referee_id == self._DECODE_ID["THEIR"] + self._DECODE_ID["BALL_PLACEMENT"]:
            # Reference : Rule 2019, 5.3.3 Direct Free Kick
            # Reference : Rule 2019, 5.3.6 Indirect Free Kick
            # Reference : Rule 2019, 8.2.3 Ball Placement Interference
            decoded_msg.can_move_robot = True
            decoded_msg.speed_limit_of_robot = self._NO_LIMIT
            decoded_msg.can_kick_ball = False
            decoded_msg.can_enter_their_side = True
            decoded_msg.can_enter_center_circle = True
            decoded_msg.keep_out_radius_from_ball = self._KEEP_OUT_RADIUS_FROM_BALL
            decoded_msg.keep_out_distance_from_their_defense_area = \
                    self._KEEP_OUT_DISTANCE_FROM_THEIR_DEFENSE_AREA

        elif decoded_msg.referee_id == self._DECODE_ID["OUR"] + self._DECODE_ID["TIMEOUT"] \
                or decoded_msg.referee_id == self._DECODE_ID["THEIR"] + self._DECODE_ID["TIMEOUT"]:
            # Reference : Rule 2019, 4.4.2 Timeouts
            # No limitations
            decoded_msg.can_move_robot = True
            decoded_msg.speed_limit_of_robot = self._NO_LIMIT
            decoded_msg.can_kick_ball = True
            decoded_msg.can_enter_their_side = True
            decoded_msg.can_enter_center_circle = True
            decoded_msg.keep_out_radius_from_ball = self._NO_LIMIT
            decoded_msg.keep_out_distance_from_their_defense_area = self._NO_LIMIT

        else:
            decoded_msg.can_move_robot = False
            decoded_msg.speed_limit_of_robot = self._NO_LIMIT
            decoded_msg.can_kick_ball = False
            decoded_msg.can_enter_their_side = False
            decoded_msg.can_enter_center_circle = False
            decoded_msg.keep_out_radius_from_ball = self._NO_LIMIT
            decoded_msg.keep_out_distance_from_their_defense_area = self._NO_LIMIT

        # Consider inplay
        # Reference : Rule 2019, 8.1.3 Double Touch
        # Reference : Rule 2019, A.1 Ball In And Out Of Play
        if decoded_msg.referee_id == self._DECODE_ID["STOP"] \
                or decoded_msg.referee_id == self._DECODE_ID["OUR"] + self._DECODE_ID["KICKOFF_PREPARATION"] \
                or decoded_msg.referee_id == self._DECODE_ID["THEIR"] + self._DECODE_ID["KICKOFF_PREPARATION"] \
                or decoded_msg.referee_id == self._DECODE_ID["OUR"] + self._DECODE_ID["PENALTY_PREPARATION"] \
                or decoded_msg.referee_id == self._DECODE_ID["THEIR"] + self._DECODE_ID["PENALTY_PREPARATION"] \
                or decoded_msg.referee_id == self._DECODE_ID["OUR"] + self._DECODE_ID["BALL_PLACEMENT"] \
                or decoded_msg.referee_id == self._DECODE_ID["THEIR"] + self._DECODE_ID["BALL_PLACEMENT"]:
            self._stationary_ball_pose = self._ball_pose
            self._game_is_inplay = False

        elif decoded_msg.referee_id == self._DECODE_ID["OUR"] + self._DECODE_ID["KICKOFF_START"] \
                or decoded_msg.referee_id == self._DECODE_ID["OUR"] + self._DECODE_ID["PENALTY_START"] \
                or decoded_msg.referee_id == self._DECODE_ID["OUR"] + self._DECODE_ID["DIRECT_FREE"] \
                or decoded_msg.referee_id == self._DECODE_ID["OUR"] + self._DECODE_ID["INDIRECT_FREE"] \
                or decoded_msg.referee_id == self._DECODE_ID["THEIR"] + self._DECODE_ID["KICKOFF_START"] \
                or decoded_msg.referee_id == self._DECODE_ID["THEIR"] + self._DECODE_ID["PENALTY_START"] \
                or decoded_msg.referee_id == self._DECODE_ID["THEIR"] + self._DECODE_ID["DIRECT_FREE"] \
                or decoded_msg.referee_id == self._DECODE_ID["THEIR"] + self._DECODE_ID["INDIRECT_FREE"]:

            # ボールが静止位置から動いたかを判断する
            if self._game_is_inplay is False:
                diff_pose = Pose2D()
                diff_pose.x = self._ball_pose.x - self._stationary_ball_pose.x
                diff_pose.y = self._ball_pose.y - self._stationary_ball_pose.y
                move_distance = math.hypot(diff_pose.x, diff_pose.y)

                if move_distance > self._INPLAY_DISTANCE:
                    self._game_is_inplay = True

        # インプレイのときは行動制限を解除する
        if self._game_is_inplay is True:
            decoded_msg.can_move_robot = True
            decoded_msg.speed_limit_of_robot = self._NO_LIMIT
            decoded_msg.can_kick_ball = True
            decoded_msg.can_enter_their_side = True
            decoded_msg.can_enter_center_circle = True
            decoded_msg.keep_out_radius_from_ball = self._NO_LIMIT
            decoded_msg.keep_out_distance_from_their_defense_area = self._NO_LIMIT

            decoded_msg.referee_text += "(INPLAY)"

        return decoded_msg
示例#13
0
# Gimbal Action Defines:
from math import pi
from geometry_msgs.msg import Pose2D

LEFT = -90
RIGHT = 90
MIDDLE = 0

PARTROL_RATE = 1

BUFFERZONES = [[0.9, 2, 85, pi], [2.075, 1, 85, pi], [4.32, 4.05, pi],
               [7.4, 1.95, 0], [6.175, 3.05, 0], [4.1, 0.65, pi]]
defences = [[2.0, 3.8, -pi / 4], [5, 3.8, -3 * pi / 4], [2.0, 1.2, pi / 4],
            [6, 1.2, 3 * pi / 4], [3, 2.4, 0], [4.2, 3, 0], [5, 2.4, pi / 3],
            [4.2, 2, 0]]
DEFENCEPOINTS = [Pose2D(x=i[0], y=i[1], theta=i[2]) for i in defences]
searchs = [[5.54, 3.9, 0], [6.73, 0.82, 3.14], [2.49, 4.00, 3.14],
           [1.26, 1.02, 0]]
BARRIERS = [[[0.205, 3.28], [1.205, 3.28], [0.205, 3.48], [1.205, 3.48]],
            [[1.705, 0.205], [1.905, 0.205], [1.705, 1.205], [1.905, 1.205]],
            [[1.705, 2.345], [2.505, 2.345], [1.705, 2.545], [2.505, 2.545]],
            [[3.975, 1.140], [4.975, 1.140], [3.975, 1.340], [4.975, 1.340]],
            [[3.975, 3.550], [4.975, 3.550], [3.975, 3.750], [4.975, 3.750]],
            [[4.045, 2.445], [4.245, 2.645], [4.445, 2.445], [4.245, 2.245]],
            [[6.045, 2.345], [6.845, 2.345], [6.045, 2.545], [6.845, 2.545]],
            [[6.585, 3.885], [6.785, 3.885], [6.585, 4.685], [6.785, 4.685]],
            [[7.285, 1.205], [8.285, 1.205], [7.285, 1.405], [8.285, 1.405]]]
SEARCHZONES = [Pose2D(x=i[0], y=i[1], theta=i[2]) for i in searchs]
示例#14
0
import rospy
import json
import copy
import time
from geometry_msgs.msg import Pose2D
from std_msgs.msg import Float32MultiArray, Empty, String, Int16
import math
from math import cos, sin
from numpy import rot90
import os

# GLOBALS
pose2d_sparki_odometry = Pose2D(
    0, 0, 0
)  #Pose2D message object, contains x,y,theta members in meters and radians
servo_angle = None
ping_distance = None
ir_sensor_readings = [0 for i in range(5)]
height = 24
width = 36
max_dist = math.sqrt(width**2 + height**2)
map_coord = [0 for n in range(width * height)]
map_cell_size = 0.05
robot_map_index = 0
render_count = 0

# TODO: Use these variables to hold your publishers and subscribers
publisher_motor = None
publisher_odom = None
publisher_ping = None
publisher_servo = None
示例#15
0
    def callback(self, msg):

        N = len(msg.readings)
        V = msg.vel_trans
        W = msg.vel_ang

        self.lx = []
        self.ly = []
        self.lr = []
        self.lb = []
        for i in range(N):
            self.lx.append(msg.readings[i].landmark.x)
            self.ly.append(msg.readings[i].landmark.y)
            self.lb.append(msg.readings[i].bearing)
            self.lr.append(msg.readings[i].range)

#######################
#Extended Kalman Filter

        angle=true.xyt[2]
        F=numpy.zeros((3,3))
        F[0,0] =1
        F[0,2] =-self.timestep*V*numpy.sin(angle)
        F[1,1] =1
        F[1,2] =self.timestep*V*numpy.cos(angle)
        F[2,2] =1

        xpp=self.timestep*numpy.array([V*numpy.cos(angle),V*numpy.sin(angle),W])
        xp=numpy.array(true.xyt)+ xpp

        Fp=numpy.dot(F,true.P)
        Ppp=numpy.dot(Fp, numpy.transpose(F))
        Pp=Ppp+self.covariance*numpy.identity(3)

        if N > 0:
            y=numpy.empty(2*N)
            H=numpy.empty((2*N,3))
            Hx=numpy.empty(2*N)

            for i in range(N):
                k=2*i
                y[k]=self.lr[i]
                y[k+1]=self.lb[i]
                H[k][0]=(xp[0]-self.lx[i])/numpy.sqrt((xp[0]-self.lx[i])**2+(xp[1]-self.ly[i])**2)
                H[k][1]=(xp[1]-self.ly[i])/numpy.sqrt((xp[0]-self.lx[i])**2+(xp[1]-self.ly[i])**2)
                H[k][2]=0
                H[k+1][0]=-(xp[1]-self.ly[i])/((xp[0]-self.lx[i])**2+(xp[1]-self.ly[i])**2)
                H[k+1][1]=(xp[0]-self.lx[i])/((xp[0]-self.lx[i])**2+(xp[1]-self.ly[i])**2)
                H[k+1][2]=-1
                Hx[k]=numpy.sqrt((xp[0]-self.lx[i])**2+(xp[1]-self.ly[i])**2)
                Hx[k+1]=math.atan2((self.ly[i]-xp[1]),(self.lx[i]-xp[0]))- xp[2]

            mu=y-Hx
            Sp=numpy.dot(H, Pp)
            Spp=numpy.dot(Sp, numpy.transpose(H))
            S=Spp+self.covariance*numpy.identity(2*N)
            Rp=numpy.dot(Pp, numpy.transpose(H))
            R=numpy.dot(Rp, numpy.linalg.inv(S))
            xp=xp+numpy.dot(R, mu)
            Pp=Pp-numpy.dot(numpy.dot(R,H), Pp)

        true.xyt=list(xp)
        true.P=Pp
      
        For_publish=Pose2D()
        For_publish.x=xp[0]
        For_publish.y=xp[1]
        For_publish.theta=xp[2]

        self.pub.publish(For_publish)

################
#Particle Filter

        Wp=numpy.random.normal(0,0.1,(120,3))
        Vp=numpy.random.normal(0,0.1,(120,3))
        Vp[:,0]=Vp[:,0]+V
        Vp[:,1]=Vp[:,1]+V
        Vp[:,2]=Vp[:,2]+W

        for i in range(120):
            Vp[i,0]=Vp[i,0]*numpy.cos(true2.xyt[i,2])
            Vp[i,1]=Vp[i,1]*numpy.sin(true2.xyt[i,2])

        Xp=self.timestep*Vp+true2.xyt+Wp

        if N > 0:
            weight=numpy.ones(120)
            for i in range(N):
                for j in range(120):
                    sqra=Xp[j][0]-self.lx[i]
                    sqrb=Xp[j][1]-self.ly[i]
                    sqr=numpy.sqrt((sqra)**2+(sqrb)**2)
                    weight[j]=weight[j]*numpy.abs(sqr-self.lr[i])
                    atana=self.ly[i]-Xp[j][1]
                    atanb=self.lx[i]-Xp[j][0]
                    atan=math.atan2(atana,atanb)
                    value = atan-Xp[j][2]-self.lb[i]
                    while value > numpy.pi: 
                        value=value-2*numpy.pi
                    while value < -numpy.pi: 
                        value=value+2*numpy.pi
                    weight[j]=weight[j]*numpy.abs(value)

            weight=1/weight
            lottaryS=sum(weight)
            for i in range(120):
                lottaryV=random.uniform(0,lottaryS)
                choice=0
                for j in range(120):
                    choice=choice+weight[j]
                    if choice > lottaryV:
                        true2.xyt[i]=Xp[j]
                        break
        else: 
             true2.xyt = Xp

        For_publish=Pose2D()
        For_publish.x=sum(true2.xyt[:,0])/120
        For_publish.y=sum(true2.xyt[:,1])/120
        For_publish.theta=sum(true2.xyt[:,2])/120

        self.pub2.publish(For_publish)
	
	quad_list = [quad.x,quad.y,quad.z,quad.w]
	(roll,pitch,yaw) = euler_from_quaternion(quad_list)
	robot.x = pose.x
	robot.y = pose.y
	#robot.z = pose.z
	robot.theta = yaw
	
	return robot

if __name__ == '__main__':
	rospy.init_node('source_pub')
	rate = rospy.Rate(100)
	robot1_pose_pub = rospy.Publisher('robot1/s_pose',Pose2D,queue_size=10)
	robot2_pose_pub = rospy.Publisher('robot2/s_pose',Pose2D,queue_size=10)
	robot1 = Pose2D()
	robot2 = Pose2D()
	Arr_s = []

	while not rospy.is_shutdown():
		robot1 = source('Robot1')
		robot2 = source('Robot2')
		robot1_pose_pub.publish(robot1)
		robot2_pose_pub.publish(robot2)
		Arr_s.append((robot1.x,robot1.y))
		Arr_s.append((robot1.x,robot1.y))
		# for i in range(n):
			
		# 	Arr_s.append((robo))
		
		
示例#17
0
	def __init__(self):
                print("Programa se iniciou...")
		self.pose = Pose2D()
		self.simulator()
示例#18
0
    def draw(self):
        if (self.meas_np is None):
            print("no measures")
            return

        if ((self.grads is None and self.values is None) and not minimal):
            print("no grads or vals when not minimal")
            return
        if (not self.sync_map and not minimal):
            print("no map updated")
            return

        if (not self.sync_meas):
            print("no meas updated")
            return

        self.sync_map = False
        self.sync_meas = False

        self.fig.clear()
        if (not minimal):
            xy_range = np.arange(self.ranges[0], self.ranges[1],
                                 self.ranges[2])
            x, y = np.meshgrid(xy_range, xy_range)

            if (not grad):
                plt.pcolormesh(x,
                               y,
                               self.values,
                               edgecolors="none",
                               antialiased=True)
            else:
                plt.quiver(y,
                           x,
                           self.grads[:, 0],
                           self.grads[:, 1],
                           minshaft=0.1)

        setpt_dir = Pose2D()
        pos_zero = Pose2D()
        setpt_zero = Pose2D()

        setpt_dir.x = np.cos(self.setpt.theta)
        setpt_dir.y = np.sin(self.setpt.theta)

        setpt_zero.x = 1
        setpt_zero.y = 0

        self.draw_turtle(self.setpt, setpt_dir)
        self.draw_turtle(pos_zero, setpt_zero, arrow_color="g")

        if (hist):
            self.draw_history()

        plt.scatter(self.target.x, self.target.y, 10.1, "r")

        plt.scatter(self.meas_np[:, 0], self.meas_np[:, 1], 2.5)
        plt.grid()
        plt.gca().set_xlim(-2.5, 2.5)
        plt.gca().set_aspect('equal', adjustable='box')
        plt.draw()
        if (save_replay):
            plt.savefig("replays/{0:04d}.png".format(self.frame_no),
                        bbox_inches='tight',
                        pad_inches=0)
        self.frame_no += 1
示例#19
0
    def test_rosmsg_to_numpy_custom(self):
        '''Test a rosmsg conversion for a custom msg'''
        pose_2d = Pose2D(x=1.0, y=2.0, theta=3.14)
        numpy_array = rosmsg_to_numpy(pose_2d, ['x', 'y', 'theta'])

        np.testing.assert_allclose(np.array([1.0, 2.0, 3.14]), numpy_array)
示例#20
0
line_sub = rospy.Subscriber('line', Segment, update_line)
line = Segment()
# --------------------------------------------------------------------------------
# Publisher position
# --------------------------------------------------------------------------------
pose_pub = rospy.Publisher('car/pose', Pose2D, queue_size=1)

# --------------------------------------------------------------------------------
# Simulation
# --------------------------------------------------------------------------------
rate = rospy.Rate(10)
cmd = Twist()
# plt.ion()

while not rospy.is_shutdown():
    plt.clf()
    # Simulation
    car.simulate(cmd.linear.x, cmd.angular.z)
    # Affichage
    img = car.draw()
    plt.plot(img[0], img[1])
    plt.plot([line.entry.x, line.exit.x], [line.entry.y, line.exit.y])
    plt.axis([car.x - 50, car.x + 50, car.y - 50, car.y + 50])
    print 'Car position: {}, {}, {}'.format(car.x, car.y, car.theta)
    # Publication pose
    pose = Pose2D(x=car.x, y=car.y, theta=car.theta)
    pose_pub.publish(pose)
    plt.pause(rate.sleep_dur.to_sec())
    rate.sleep()
示例#21
0
def interpose(ball_info, robot_info, control_target):

    # ボールの位置
    ball_pose = ball_info.pose
    # ボールの速度
    ball_vel = ball_info.velocity

    # ゴールの位置
    OUR_GOAL_POSE = Field.goal_pose('our', 'center')

    xr = OUR_GOAL_POSE.x + 0.3
    goalie_threshold_y = 1.5

    # 敵のロボットの情報
    robot_info_their = robot_info['their']
    dist = []
    for their_info in robot_info_their:
        if their_info.detected:
            dist.append(tool.distance_2_poses(their_info.pose, ball_pose))
        else:
            dist.append(100)

    # 一番近い敵ロボットのID
    min_dist_id = dist.index(min(dist))

    # 一番近い敵ロボットの座標
    robot_pose = robot_info_their[min_dist_id].pose

    # ボールの速度
    if ball_vel is None:
        v = 0
        dx = 0
        dy = 0
        da = 0
    else:
        # ボールの速度
        vx = ball_vel.x
        vy = ball_vel.y
        v = math.hypot(ball_vel.x, ball_vel.y)
        # ボールの進む角度
        angle_ball = math.atan2(vy, vx)
        # ボールの変化量を計算(正確ではなく方向を考慮した単位量)
        dvx = math.cos(angle_ball) 
        dvy = math.sin(angle_ball) 

    # ボールの次の予測位置を取得
    ball_pose_next = Pose2D(ball_pose.x + dvx, ball_pose.y + dvy, 0) 


    if dist[min_dist_id] < 0.15 and robot_pose.x < 0:
        rospy.logdebug('their')
        angle_their = robot_pose.theta
        if angle_their == 0:
            a = 1e-10
        else:
            a = math.tan(angle_their)
        b = robot_pose.y - a * robot_pose.x 
    elif 0.02 < v and dvx < 0:
        rospy.logdebug('ball move')
        a, b = line_pram(ball_pose, ball_pose_next)
    else:
        rospy.logdebug('ball stop')
        a, b = line_pram(ball_pose, OUR_GOAL_POSE)
    
    # 位置を決める
    yr = a*xr + b

    # 位置
    if yr > goalie_threshold_y:
        yr = goalie_threshold_y
    elif yr < -goalie_threshold_y:
        yr = -goalie_threshold_y
    # elif ball_pose.x < xr:
        # ボールが後ろに出たらy座標は0にする
        # yr = 0
    new_goal_pose = Pose2D(xr, yr, 0)

    # ---------------------------------------------------------
    remake_path = False
    # pathが設定されてなければpathを新規作成
    if control_target.path is None or len(control_target.path) == 0:
        remake_path = True
    # 現在のpathゴール姿勢と、新しいpathゴール姿勢を比較し、path再生成の必要を判断する
    if remake_path is False:
        current_goal_pose = control_target.path[-1]

        if not tool.is_close(current_goal_pose, new_goal_pose, Pose2D(0.1, 0.1, math.radians(10))):
            remake_path = True
    # remake_path is Trueならpathを再生成する
    # pathを再生成すると衝突回避用に作られた経路もリセットされる
    if remake_path:
        control_target.path = []
        control_target.path.append(new_goal_pose)
    # print(goalie_pose.x, goalie_pose.y, ball_pose.x, ball_pose.y)

    return control_target
    def create(self):
        names1 = [
            'robot1_shoulder_pan_joint', 'robot1_shoulder_lift_joint',
            'robot1_elbow_joint', 'robot1_wrist_1_joint',
            'robot1_wrist_2_joint', 'robot1_wrist_3_joint'
        ]
        pick1_group = 'robot1'
        robot1_loc = Pose2D(x=3.8, y=2.1, theta=-90.0)
        gripper1 = "vacuum_gripper1_suction_cup"
        robot2_loc = Pose2D(x=-4.3, y=-0.9, theta=0.0)
        pick2_group = 'robot2'
        gripper2 = "vacuum_gripper2_suction_cup"
        names2 = [
            'robot2_shoulder_pan_joint', 'robot2_shoulder_lift_joint',
            'robot2_elbow_joint', 'robot2_wrist_1_joint',
            'robot2_wrist_2_joint', 'robot2_wrist_3_joint'
        ]
        # x:31 y:236, x:594 y:345
        _state_machine = OperatableStateMachine(
            outcomes=['finished', 'failed'])
        _state_machine.userdata.part_pose = []
        _state_machine.userdata.robot1_loc = robot1_loc
        _state_machine.userdata.pose_turtlebot = []
        _state_machine.userdata.pick1_configuration = []
        _state_machine.userdata.place1_configuration = []
        _state_machine.userdata.Conveyor_speed = 100
        _state_machine.userdata.robot2_loc = robot2_loc
        _state_machine.userdata.pick2_configuration = []
        _state_machine.userdata.place2_configuration = []

        # Additional creation code can be added inside the following tags
        # [MANUAL_CREATE]

        # [/MANUAL_CREATE]

        with _state_machine:
            # x:32 y:56
            OperatableStateMachine.add(
                'Move R1 Home',
                flexbe_manipulation_states__SrdfStateToMoveit(
                    config_name='R1Home',
                    move_group=pick1_group,
                    action_topic='/move_group',
                    robot_name=''),
                transitions={
                    'reached': 'start conveyor belt',
                    'planning_failed': 'failed',
                    'control_failed': 'failed',
                    'param_error': 'failed'
                },
                autonomy={
                    'reached': Autonomy.Off,
                    'planning_failed': Autonomy.Off,
                    'control_failed': Autonomy.Off,
                    'param_error': Autonomy.Off
                },
                remapping={
                    'config_name': 'config_name',
                    'move_group': 'move_group',
                    'robot_name': 'robot_name',
                    'action_topic': 'action_topic',
                    'joint_values': 'joint_values',
                    'joint_names': 'joint_names'
                })

            # x:1122 y:138
            OperatableStateMachine.add('Compute pick',
                                       ComputeGraspState(group=pick1_group,
                                                         offset=0.0,
                                                         joint_names=names1,
                                                         tool_link=gripper1,
                                                         rotation=3.1415),
                                       transitions={
                                           'continue': 'Activate Gripper 1',
                                           'failed': 'failed'
                                       },
                                       autonomy={
                                           'continue': Autonomy.Off,
                                           'failed': Autonomy.Off
                                       },
                                       remapping={
                                           'pose': 'part_pose',
                                           'joint_values':
                                           'pick1_configuration',
                                           'joint_names': 'joint_names'
                                       })

            # x:381 y:59
            OperatableStateMachine.add('Start feeder',
                                       ControlFeederState(activation=True),
                                       transitions={
                                           'succeeded': 'Wait for part',
                                           'failed': 'failed'
                                       },
                                       autonomy={
                                           'succeeded': Autonomy.Off,
                                           'failed': Autonomy.Off
                                       })

            # x:718 y:59
            OperatableStateMachine.add('Stop feeder',
                                       ControlFeederState(activation=False),
                                       transitions={
                                           'succeeded': 'stop conveyor belt',
                                           'failed': 'failed'
                                       },
                                       autonomy={
                                           'succeeded': Autonomy.Off,
                                           'failed': Autonomy.Off
                                       })

            # x:1144 y:627
            OperatableStateMachine.add('Compute place Turtlebot',
                                       ComputeGraspState(group=pick1_group,
                                                         offset=0.6,
                                                         joint_names=names1,
                                                         tool_link=gripper1,
                                                         rotation=3.1415),
                                       transitions={
                                           'continue': 'Move R1 to place',
                                           'failed': 'failed'
                                       },
                                       autonomy={
                                           'continue': Autonomy.Off,
                                           'failed': Autonomy.Off
                                       },
                                       remapping={
                                           'pose': 'pose_turtlebot',
                                           'joint_values':
                                           'place1_configuration',
                                           'joint_names': 'joint_names'
                                       })

            # x:1139 y:545
            OperatableStateMachine.add(
                'LocateTurtlebot',
                LocateFactoryDeviceState(model_name='mobile_base',
                                         output_frame_id='world'),
                transitions={
                    'succeeded': 'Compute place Turtlebot',
                    'failed': 'failed'
                },
                autonomy={
                    'succeeded': Autonomy.Off,
                    'failed': Autonomy.Off
                },
                remapping={'pose': 'pose_turtlebot'})

            # x:1125 y:370
            OperatableStateMachine.add(
                'Move R1 back Home',
                flexbe_manipulation_states__SrdfStateToMoveit(
                    config_name='R1Home',
                    move_group=pick1_group,
                    action_topic='/move_group',
                    robot_name=''),
                transitions={
                    'reached': 'Navigate to robot1',
                    'planning_failed': 'failed',
                    'control_failed': 'failed',
                    'param_error': 'failed'
                },
                autonomy={
                    'reached': Autonomy.Off,
                    'planning_failed': Autonomy.Off,
                    'control_failed': Autonomy.Off,
                    'param_error': Autonomy.Off
                },
                remapping={
                    'config_name': 'config_name',
                    'move_group': 'move_group',
                    'robot_name': 'robot_name',
                    'action_topic': 'action_topic',
                    'joint_values': 'joint_values',
                    'joint_names': 'joint_names'
                })

            # x:1147 y:801
            OperatableStateMachine.add(
                'Move R1 back to Home',
                flexbe_manipulation_states__SrdfStateToMoveit(
                    config_name='R1Home',
                    move_group=pick1_group,
                    action_topic='/move_group',
                    robot_name=''),
                transitions={
                    'reached': 'Navigate to robot2',
                    'planning_failed': 'failed',
                    'control_failed': 'failed',
                    'param_error': 'failed'
                },
                autonomy={
                    'reached': Autonomy.Off,
                    'planning_failed': Autonomy.Off,
                    'control_failed': Autonomy.Off,
                    'param_error': Autonomy.Off
                },
                remapping={
                    'config_name': 'config_name',
                    'move_group': 'move_group',
                    'robot_name': 'robot_name',
                    'action_topic': 'action_topic',
                    'joint_values': 'joint_values',
                    'joint_names': 'joint_names'
                })

            # x:1113 y:59
            OperatableStateMachine.add(
                'Detect Part Camera',
                DetectPartCameraState(ref_frame='robot1_base',
                                      camera_topic='/hrwros/logical_camera_1',
                                      camera_frame='logical_camera_1_frame'),
                transitions={
                    'continue': 'Compute pick',
                    'failed': 'failed'
                },
                autonomy={
                    'continue': Autonomy.Off,
                    'failed': Autonomy.Off
                },
                remapping={'pose': 'part_pose'})

            # x:556 y:60
            OperatableStateMachine.add('Wait for part',
                                       SubscriberState(
                                           topic='/break_beam_sensor_change',
                                           blocking=True,
                                           clear=True),
                                       transitions={
                                           'received': 'Stop feeder',
                                           'unavailable': 'failed'
                                       },
                                       autonomy={
                                           'received': Autonomy.Off,
                                           'unavailable': Autonomy.Off
                                       },
                                       remapping={'message': 'message'})

            # x:1121 y:304
            OperatableStateMachine.add(
                'Move R1 to pick',
                hrwros_factory_states__MoveitToJointsDynState(
                    move_group=pick1_group,
                    offset=0.0,
                    tool_link=gripper1,
                    action_topic='/move_group'),
                transitions={
                    'reached': 'Move R1 back Home',
                    'planning_failed': 'failed',
                    'control_failed': 'failed'
                },
                autonomy={
                    'reached': Autonomy.Off,
                    'planning_failed': Autonomy.Off,
                    'control_failed': Autonomy.Off
                },
                remapping={
                    'joint_values': 'pick1_configuration',
                    'joint_names': 'joint_names'
                })

            # x:1156 y:688
            OperatableStateMachine.add(
                'Move R1 to place',
                hrwros_factory_states__MoveitToJointsDynState(
                    move_group=pick1_group,
                    offset=0.0,
                    tool_link=gripper1,
                    action_topic='/move_group'),
                transitions={
                    'reached': 'Deactivate Gripper 1',
                    'planning_failed': 'failed',
                    'control_failed': 'failed'
                },
                autonomy={
                    'reached': Autonomy.Off,
                    'planning_failed': Autonomy.Off,
                    'control_failed': Autonomy.Off
                },
                remapping={
                    'joint_values': 'place1_configuration',
                    'joint_names': 'joint_names'
                })

            # x:211 y:55
            OperatableStateMachine.add('start conveyor belt',
                                       SetConveyorPowerState(stop=False),
                                       transitions={
                                           'succeeded': 'Start feeder',
                                           'failed': 'failed'
                                       },
                                       autonomy={
                                           'succeeded': Autonomy.Off,
                                           'failed': Autonomy.Off
                                       },
                                       remapping={'speed': 'Conveyor_speed'})

            # x:898 y:58
            OperatableStateMachine.add('stop conveyor belt',
                                       SetConveyorPowerState(stop=True),
                                       transitions={
                                           'succeeded': 'Detect Part Camera',
                                           'failed': 'failed'
                                       },
                                       autonomy={
                                           'succeeded': Autonomy.Off,
                                           'failed': Autonomy.Off
                                       },
                                       remapping={'speed': 'Conveyor_speed'})

            # x:1132 y:451
            OperatableStateMachine.add('Navigate to robot1',
                                       hrwros_factory_states__MoveBaseState(),
                                       transitions={
                                           'arrived': 'LocateTurtlebot',
                                           'failed': 'failed'
                                       },
                                       autonomy={
                                           'arrived': Autonomy.Off,
                                           'failed': Autonomy.Off
                                       },
                                       remapping={'waypoint': 'robot1_loc'})

            # x:1144 y:745
            OperatableStateMachine.add('Deactivate Gripper 1',
                                       VacuumGripperControlState(
                                           enable=False,
                                           service_name='/gripper1/control'),
                                       transitions={
                                           'continue': 'Move R1 back to Home',
                                           'failed': 'failed'
                                       },
                                       autonomy={
                                           'continue': Autonomy.Off,
                                           'failed': Autonomy.Off
                                       })

            # x:949 y:816
            OperatableStateMachine.add('Navigate to robot2',
                                       hrwros_factory_states__MoveBaseState(),
                                       transitions={
                                           'arrived': 'Detect Part Camera_2',
                                           'failed': 'failed'
                                       },
                                       autonomy={
                                           'arrived': Autonomy.Off,
                                           'failed': Autonomy.Off
                                       },
                                       remapping={'waypoint': 'robot2_loc'})

            # x:1104 y:212
            OperatableStateMachine.add('Activate Gripper 1',
                                       VacuumGripperControlState(
                                           enable=True,
                                           service_name='/gripper1/control'),
                                       transitions={
                                           'continue': 'Move R1 to pick',
                                           'failed': 'failed'
                                       },
                                       autonomy={
                                           'continue': Autonomy.Off,
                                           'failed': Autonomy.Off
                                       })

            # x:744 y:831
            OperatableStateMachine.add(
                'Detect Part Camera_2',
                DetectPartCameraState(ref_frame='robot2_base',
                                      camera_topic='/hrwros/logical_camera_2',
                                      camera_frame='logical_camera_2_frame'),
                transitions={
                    'continue': 'Compute pick_2',
                    'failed': 'failed'
                },
                autonomy={
                    'continue': Autonomy.Off,
                    'failed': Autonomy.Off
                },
                remapping={'pose': 'part_pose'})

            # x:582 y:813
            OperatableStateMachine.add('Compute pick_2',
                                       ComputeGraspState(group=pick2_group,
                                                         offset=0.0,
                                                         joint_names=names2,
                                                         tool_link=gripper2,
                                                         rotation=3.1415),
                                       transitions={
                                           'continue': 'Activate Gripper 2',
                                           'failed': 'failed'
                                       },
                                       autonomy={
                                           'continue': Autonomy.Off,
                                           'failed': Autonomy.Off
                                       },
                                       remapping={
                                           'pose': 'part_pose',
                                           'joint_values':
                                           'pick2_configuration',
                                           'joint_names': 'joint_names'
                                       })

            # x:401 y:813
            OperatableStateMachine.add('Activate Gripper 2',
                                       VacuumGripperControlState(
                                           enable=True,
                                           service_name='/gripper2/control'),
                                       transitions={
                                           'continue': 'Move R2 to pick',
                                           'failed': 'failed'
                                       },
                                       autonomy={
                                           'continue': Autonomy.Off,
                                           'failed': Autonomy.Off
                                       })

            # x:242 y:789
            OperatableStateMachine.add(
                'Move R2 to pick',
                hrwros_factory_states__MoveitToJointsDynState(
                    move_group=pick2_group,
                    offset=0.0,
                    tool_link=gripper2,
                    action_topic='/move_group'),
                transitions={
                    'reached': 'Move R2 to back home',
                    'planning_failed': 'failed',
                    'control_failed': 'failed'
                },
                autonomy={
                    'reached': Autonomy.Off,
                    'planning_failed': Autonomy.Off,
                    'control_failed': Autonomy.Off
                },
                remapping={
                    'joint_values': 'pick2_configuration',
                    'joint_names': 'joint_names'
                })

            # x:30 y:566
            OperatableStateMachine.add(
                'Move R2 to R2Place',
                hrwros_factory_states__SrdfStateToMoveit(
                    config_name='R2Place',
                    move_group=pick2_group,
                    action_topic='/move_group',
                    robot_name=""),
                transitions={
                    'reached': 'Deactivate Gripper 2',
                    'planning_failed': 'failed',
                    'control_failed': 'failed',
                    'param_error': 'failed'
                },
                autonomy={
                    'reached': Autonomy.Off,
                    'planning_failed': Autonomy.Off,
                    'control_failed': Autonomy.Off,
                    'param_error': Autonomy.Off
                },
                remapping={
                    'config_name': 'config_name',
                    'move_group': 'move_group',
                    'robot_name': 'robot_name',
                    'action_topic': 'action_topic',
                    'joint_values': 'joint_values',
                    'joint_names': 'joint_names'
                })

            # x:0 y:484
            OperatableStateMachine.add('Deactivate Gripper 2',
                                       VacuumGripperControlState(
                                           enable=False,
                                           service_name='/gripper2/control'),
                                       transitions={
                                           'continue': 'finished',
                                           'failed': 'failed'
                                       },
                                       autonomy={
                                           'continue': Autonomy.Off,
                                           'failed': Autonomy.Off
                                       })

            # x:29 y:779
            OperatableStateMachine.add(
                'Move R2 to back home',
                hrwros_factory_states__SrdfStateToMoveit(
                    config_name='R2Home',
                    move_group=pick2_group,
                    action_topic='/move_group',
                    robot_name=""),
                transitions={
                    'reached': 'Move R2 to R2Place',
                    'planning_failed': 'failed',
                    'control_failed': 'failed',
                    'param_error': 'failed'
                },
                autonomy={
                    'reached': Autonomy.Off,
                    'planning_failed': Autonomy.Off,
                    'control_failed': Autonomy.Off,
                    'param_error': Autonomy.Off
                },
                remapping={
                    'config_name': 'config_name',
                    'move_group': 'move_group',
                    'robot_name': 'robot_name',
                    'action_topic': 'action_topic',
                    'joint_values': 'joint_values',
                    'joint_names': 'joint_names'
                })

        return _state_machine
示例#23
0
def _process_img(msg):

    # print 'vision msg: camera'

    global isFirst, field, fgbg
    # print 'hello everyone'
    # return
    array = np.fromstring(msg.data, np.uint8)
    uncompressed_img = cv2.imdecode(array, 1)
    image = uncompressed_img
    # image = _ros2cv(uncompressed_img)
    # image = _ros2cv(msg)
    # _show_raw(image)

    # shiny pink ball - 255, 255, 255, 221, 0, 0
    # dull pink ball - 255, 160, 192, 204, 1, 0
    # blue - 255, 173, 121, 214, 73, 65
    # purple - 252, 63, 174, 214, 0, 127
    # red - 250, 170, 56, 201, 94, 0
    # green - 250, 124, 81, 170, 29, 57
    # yellow - 255, 36, 97, 218, 0, 0
    fieldColor = [189, 108, 215, 123, 25, 31]
    ourRobot1Color = [250, 170, 56, 201, 94, 0]
    ourRobot2Color = [250, 124, 81, 170, 29, 57]
    ballColor = [255, 160, 192, 204, 1,
                 0]  #ballColor=[255, 145, 238, 177, 6, 153]
    opponent1Color = [229, 216, 241, 204, 195, 222]
    opponent2Color = [229, 216, 241, 204, 195, 222]

    if isFirst:
        field = _field(image, fieldColor, isFirst)
        # fgbg = cv2.bgsegm.createBackgroundSubtractorMOG()
        # fgbg = cv2.createBackgroundSubtractorMOG2()
    global us1_pub, us2_pub, ball_pub, field_dim_pub, field_pos_pub
    dim_msg = Pose2D()
    dim_msg.x = field[2]
    dim_msg.y = field[3]
    dim_msg.theta = 0
    field_dim_pub.publish(dim_msg)
    pos_msg = Pose2D()
    pos_msg.x = field[0]
    pos_msg.y = field[1]
    pos_msg.theta = 0
    field_pos_pub.publish(pos_msg)

    if all(field):
        ourRobot1 = _findRobot(image, ourRobot1Color, "ourRobot1", isFirst,
                               (3, 3), field)
        if (ourRobot1[0] is not None and ourRobot1[1]
                is not None):  #angle can be zero so cant use all() func
            us1_msg = convert_coordinates(ourRobot1[0], ourRobot1[1],
                                          ourRobot1[2], field)
            # print 'x_old = {}, y_old = {}'.format(ourRobot1[0], ourRobot1[1])
            us1_pub.publish(_orient(us1_msg))

        ourRobot2 = _findRobot(image, ourRobot2Color, "ourRobot2", isFirst,
                               (3, 3), field)
        if (ourRobot2[0] is not None and ourRobot2[1]
                is not None):  #angle can be zero so cant use all() func
            us2_msg = convert_coordinates(ourRobot2[0], ourRobot2[1],
                                          ourRobot2[2], field)
            us2_pub.publish(_orient(us2_msg))

        ball = _ball(image, ballColor, isFirst, field)
        if (ball[0] is not None and ball[1] is not None):
            ball_msg = convert_coordinates(ball[0], ball[1], ball[2], field)
            ball_pub.publish(_orient(ball_msg))

    if not _live:
        cv2.waitKey(3)  #the windows dont stay open if this isnt here...
    isFirst = False
示例#24
0
 def to_Pose2D(self, theta = 0):
     return Pose2D(self.x_, self.y_, theta)
示例#25
0
from mobrob_util.msg import ME439WheelSpeeds, ME439PathSpecs #, ME439PathSegComplete
from geometry_msgs.msg import Pose2D
from std_msgs.msg import Bool
import me439_mobile_robot_class_v02 as m439rbt  # REMEMBER to call the right file (version, or use the _HWK if needed)

# global variable to hold the path specs currently being tracked
path_segment_spec = ME439PathSpecs()
path_segment_spec.x0 = 0.
path_segment_spec.y0 = 0.
path_segment_spec.theta0 = 0.
path_segment_spec.Radius = np.inf
path_segment_spec.Length = np.inf
    
# global variables used in path following: 
initialize_psi_world= True
estimated_pose_previous = Pose2D()
estimated_x_local_previous = 0.
estimated_theta_local_previous= 0. 
path_segment_curvature_previous = 0.
estimated_psi_world_previous = 0. 
estimated_segment_completion_fraction_previous = 0.


# =============================================================================
#     Set up a closed-loop path controller
#     Subscribe to "robot_pose_estimated" (Pose2D) 
#     and Publish "wheel_speeds_desired" (ME439WheelSpeeds)
# =============================================================================

# Get parameters from rosparam
wheel_width = rospy.get_param('/wheel_width_model') # All you have when planning is a model - you never quite know the truth! 
示例#26
0
def explore_linear(node_list, parent, direction, goal, resolution, bonus,
                   h_angle, v_angle, size, check_srv):
    if direction == 0:
        x_move = 0.0
        y_move = 1.0

        explored_dir = 2

        parallel_orientation = 1
        perpendicular_orientation = 0

        perpendicular_check_goal = goal.x
        perpendicular_check_parent = parent.x
        parallel_check_goal = goal.y
        parallel_check_parent = parent.y

        parallel_theta = v_angle
        perpendicular_theta = h_angle

        mid_explored_plus = [0, 0, 1, -1]
        mid_explored_minus = [0, -1, 1, 0]
        mid_explored_both = [0, 0, 1, 0]
        mid_explored_stop = [0, -1, 1, -1]
        end_explored = [-1, 0, 1, 0]
    elif direction == 1:
        x_move = 1.0
        y_move = 0.0

        explored_dir = 3

        parallel_orientation = 0
        perpendicular_orientation = 1

        perpendicular_check_goal = goal.y
        perpendicular_check_parent = parent.y
        parallel_check_goal = goal.x
        parallel_check_parent = parent.x

        parallel_theta = h_angle
        perpendicular_theta = v_angle

        mid_explored_plus = [0, 0, -1, 1]
        mid_explored_minus = [-1, 0, 0, 1]
        mid_explored_both = [0, 0, 0, 1]
        mid_explored_stop = [-1, 0, -1, 1]
        end_explored = [0, -1, 0, 1]

    elif direction == 2:
        x_move = 0.0
        y_move = -1.0

        explored_dir = 0

        parallel_orientation = 1
        perpendicular_orientation = 0

        perpendicular_check_goal = goal.x
        perpendicular_check_parent = parent.x
        parallel_check_goal = goal.y
        parallel_check_parent = parent.y

        parallel_theta = v_angle
        perpendicular_theta = h_angle

        mid_explored_plus = [1, 0, 0, -1]
        mid_explored_minus = [1, -1, 0, 0]
        mid_explored_both = [1, 0, 0, 0]
        mid_explored_stop = [1, -1, 0, -1]
        end_explored = [-1, 0, -1, 0]
    elif direction == 3:
        x_move = -1.0
        y_move = 0.0

        explored_dir = 1

        parallel_orientation = 0
        perpendicular_orientation = 1

        perpendicular_check_goal = goal.y
        perpendicular_check_parent = parent.y
        parallel_check_goal = goal.x
        parallel_check_parent = parent.x

        parallel_theta = h_angle
        perpendicular_theta = v_angle

        mid_explored_plus = [0, 1, -1, 0]
        mid_explored_minus = [-1, 1, 0, 0]
        mid_explored_both = [0, 1, 0, 0]
        mid_explored_stop = [-1, 1, -1, 0]
        end_explored = [0, -1, 0, -1]

    #Pose2D objects for test points
    check_fwd_a = Pose2D()
    check_fwd_b = Pose2D()

    check_plus_a = Pose2D()
    check_plus_b = Pose2D()
    check_minus_a = Pose2D()
    check_minus_b = Pose2D()

    #if goal lies along direction of exploration, check if path to goal is clear
    if abs(perpendicular_check_goal - perpendicular_check_parent
           ) < size * 0.06 and goal.orientation == parent.orientation:
        check_fwd_a.x, check_fwd_a.y, check_fwd_a.theta = parent.x, parent.y, parent.theta
        check_fwd_b.x, check_fwd_b.y, check_fwd_b.theta = goal.x, goal.y, goal.theta
        resp = check_srv(check_fwd_a, check_fwd_b)
        #rospy.loginfo("Goal check:" + repr(resp.valid))
        if resp.valid:
            goal.parent = parent
            return goal

    #if exploration direction is towards the goal, check point orthogonal to goal
    check_ortho = False
    if direction == 1 or direction == 0:
        if goal.orientation != parent.orientation and parallel_check_goal > parallel_check_parent:
            check_ortho = True
    elif direction == 3 or direction == 2:
        if goal.orientation != parent.orientation and parallel_check_goal < parallel_check_parent:
            check_ortho = True

    offset = size * 0.025

    if direction == 0 or direction == 2:
        check_plus_a.x = parent.x + offset
        check_plus_b.x = check_plus_a.x + 0.006
        check_minus_a.x = parent.x - offset
        check_minus_b.x = check_minus_a.x - 0.006

        check_plus_a.y = parent.y
        check_plus_b.y = parent.y
        check_minus_a.y = parent.y
        check_minus_b.y = parent.y
    elif direction == 1 or direction == 3:
        check_plus_a.x = parent.x
        check_plus_b.x = parent.x
        check_minus_a.x = parent.x
        check_minus_b.x = parent.x

        check_plus_a.y = parent.y + offset
        check_plus_b.y = check_plus_a.y + 0.006
        check_minus_a.y = parent.y - offset
        check_minus_b.y = check_minus_a.y - 0.006

    check_plus_a.theta = perpendicular_theta
    check_plus_b.theta = perpendicular_theta
    check_minus_a.theta = perpendicular_theta
    check_minus_b.theta = perpendicular_theta

    last_node = parent

    check_fwd_a.theta = parent.theta
    check_fwd_b.theta = parent.theta

    check_fwd_b.x = parent.x + x_move * resolution
    check_fwd_b.y = parent.y + y_move * resolution

    check_fwd_a.x = check_fwd_b.x - x_move * 0.006
    check_fwd_a.y = check_fwd_b.y - y_move * 0.006

    check_plus_a.x += x_move * resolution
    check_plus_b.x += x_move * resolution
    check_minus_a.x += x_move * resolution
    check_minus_b.x += x_move * resolution

    check_plus_a.y += y_move * resolution
    check_plus_b.y += y_move * resolution
    check_minus_a.y += y_move * resolution
    check_minus_b.y += y_move * resolution

    last_check = False
    ortho_intersect = False

    while (True):

        #check forward area in direction of exploration
        resp = check_srv(check_fwd_a, check_fwd_b)
        if resp.valid:
            check_fwd_a.x += x_move * resolution
            check_fwd_a.y += y_move * resolution

            check_fwd_b.x += x_move * resolution
            check_fwd_b.y += y_move * resolution

            check_plus_a.x += x_move * resolution
            check_plus_b.x += x_move * resolution

            check_minus_a.x += x_move * resolution
            check_minus_b.x += x_move * resolution

            check_plus_a.y += y_move * resolution
            check_plus_b.y += y_move * resolution

            check_minus_a.y += y_move * resolution
            check_minus_b.y += y_move * resolution
        else:
            #if corridor has ended, determine if intersection at end

            found_intersection = False
            end_x = check_fwd_a.x
            end_y = check_fwd_a.y
            for i in range(15, -15, -5):
                if not found_intersection:
                    check_fwd_a.x = end_x + x_move * i * 0.001
                    check_fwd_a.y = end_y + y_move * i * 0.001

                    check_fwd_b.x = check_fwd_a.x + x_move * 0.01
                    check_fwd_b.y = check_fwd_a.y + y_move * 0.01

                    check_fwd_a.theta = parallel_theta
                    check_fwd_b.theta = perpendicular_theta

                    resp = check_srv(check_fwd_a, check_fwd_b)
                    if resp.valid:
                        new = Node(check_fwd_a.x, check_fwd_a.y,
                                   check_fwd_a.theta, parallel_orientation,
                                   parent, [1, 1, 1, 1])
                        new.update(goal, bonus)

                        node_list.append(new)

                        new2 = Node(check_fwd_b.x, check_fwd_b.y,
                                    check_fwd_b.theta,
                                    perpendicular_orientation, new,
                                    end_explored)
                        new2.update(goal, bonus)

                        node_list.append(new2)
                        found_intersection = True

            last_node.explored[direction] = -1
            last_node.update(goal, bonus)
            break

        if check_ortho:
            if direction == 0 or direction == 2:
                if abs(check_plus_b.y -
                       parallel_check_goal) < 1.5 * resolution:
                    check_fwd_b.y = goal.y
                    check_fwd_a.y = check_fwd_b.y - y_move * 0.006

                    check_plus_a.y = goal.y
                    check_plus_b.y = goal.y
                    check_minus_a.y = goal.y
                    check_minus_b.y = goal.y
            elif direction == 1 or direction == 3:
                if abs(check_plus_b.x -
                       parallel_check_goal) < 1.5 * resolution:
                    check_fwd_b.x = goal.x
                    check_fwd_a.x = check_fwd_b.x - x_move * 0.006

                    check_plus_a.x = goal.x
                    check_plus_b.x = goal.x
                    check_minus_a.x = goal.x
                    check_minus_b.x = goal.x
            check_ortho = False
            ortho_intersect = True

        resp_plus = check_srv(check_plus_a, check_plus_b)
        resp_minus = check_srv(check_minus_a, check_minus_b)

        if resp_plus.valid and resp_minus.valid:
            new = Node(check_fwd_b.x, check_fwd_b.y, check_fwd_b.theta,
                       parallel_orientation, parent, mid_explored_both)
            new.update(goal, bonus)
            node_list.append(new)
            last_node.explored[direction] = 1
            last_node.update(goal, bonus)
            last_node = new
            last_check = True
        elif resp_plus.valid:
            new = Node(check_fwd_b.x, check_fwd_b.y, check_fwd_b.theta,
                       parallel_orientation, parent, mid_explored_plus)
            new.update(goal, bonus)
            node_list.append(new)
            last_node.explored[direction] = 1
            last_node.update(goal, bonus)
            last_node = new
            last_check = True
        elif resp_minus.valid:
            new = Node(check_fwd_b.x, check_fwd_b.y, check_fwd_b.theta,
                       parallel_orientation, parent, mid_explored_minus)
            new.update(goal, bonus)
            node_list.append(new)
            last_node.explored[direction] = 1
            last_node.update(goal, bonus)
            last_node = new
            last_check = True
        elif last_check == True:
            if check_ortho:
                if direction == 0 and check_plus_a.y - goal.y > 3.0 * resolution:
                    break
                if direction == 1 and check_plus_a.x - goal.x > 3.0 * resolution:
                    break
                if direction == 2 and goal.y - check_plus_a.y > 3.0 * resolution:
                    break
                if direction == 3 and goal.x - check_plus_a.x > 3.0 * resolution:
                    break
            advance = 2.0 * resolution
            check_fwd_a.x += x_move * advance
            check_fwd_a.y += y_move * advance
            check_fwd_b.x += x_move * advance
            check_fwd_b.y += y_move * advance

            check_plus_a.x += x_move * advance
            check_plus_b.x += x_move * advance
            check_minus_a.x += x_move * advance
            check_minus_b.x += x_move * advance

            check_plus_a.y += y_move * advance
            check_plus_b.y += y_move * advance
            check_minus_a.y += y_move * advance
            check_minus_b.y += y_move * advance
            last_check = False
        else:
            if check_ortho:
                if direction == 0 and check_plus_a.y - goal.y > size * .25:
                    new = Node(check_fwd_b.x, check_fwd_b.y, check_fwd_b.theta,
                               parallel_orientation, parent, mid_explored_stop)
                    new.update(goal, bonus)
                    last_node.explored[direction] = 1
                    last_node.update(goal, bonus)
                    node_list.append(new)
                    break
                if direction == 1 and check_plus_a.x - goal.x > size * .25:
                    new = Node(check_fwd_b.x, check_fwd_b.y, check_fwd_b.theta,
                               parallel_orientation, parent, mid_explored_stop)
                    new.update(goal, bonus)
                    last_node.explored[direction] = 1
                    last_node.update(goal, bonus)
                    node_list.append(new)
                    break
                if direction == 2 and goal.y - check_plus_a.y > size * .25:
                    new = Node(check_fwd_b.x, check_fwd_b.y, check_fwd_b.theta,
                               parallel_orientation, parent, mid_explored_stop)
                    new.update(goal, bonus)
                    last_node.explored[direction] = 1
                    last_node.update(goal, bonus)
                    node_list.append(new)
                    break
                if direction == 3 and goal.x - check_plus_a.x > size * .25:
                    new = Node(check_fwd_b.x, check_fwd_b.y, check_fwd_b.theta,
                               parallel_orientation, parent, mid_explored_stop)
                    new.update(goal, bonus)
                    last_node.explored[direction] = 1
                    last_node.update(goal, bonus)
                    node_list.append(new)
                    break
            last_check = False

    #rospy.loginfo("stopped at: %f, %f", check_fwd_b.x, check_fwd_b.y)

    return None
import rospy
from geometry_msgs.msg import Pose2D

d_sample = 1.0  #takes care of drift
d_threshold = 0.1  #tolerance with the destination

dest = [(2.0, 0.0)]  #destination coordinates


def get_source(data):
    s_pose.x = data.x
    s_pose.y = data.y
    s_pose.theta = data.theta


s_pose = Pose2D()
s_pose.x = 0
s_pose.y = 0
s_pose.theta = 0
d_pose = Pose2D()
d_pose.x = 0
d_pose.y = 0
d_pose.theta = 0
#check for theta value

rospy.init_node('robot1_destinations')
rate = rospy.Rate(10)
dest_pose_p = rospy.Publisher('robot1/d_pose', Pose2D, queue_size=10)
source_pose_sub = rospy.Subscriber('robot1/s_pose', Pose2D, get_source)

time.sleep(3)
示例#28
0
def explore_perpendicular(node_list, parent, direction, goal, resolution,
                          bonus, h_angle, v_angle, size, check_srv):
    if direction == 0:
        x_move = 0.0
        y_move = 1.0
        explored_dir = 2
        new_orientation = 1
        new_theta = v_angle
        new_explored = [0, -1, 1, -1]
    elif direction == 1:
        x_move = 1.0
        y_move = 0.0
        explored_dir = 3
        new_orientation = 0
        new_theta = h_angle
        new_explored = [-1, 0, -1, 1]
    elif direction == 2:
        x_move = 0.0
        y_move = -1.0
        explored_dir = 0
        new_orientation = 1
        new_theta = v_angle
        new_explored = [1, -1, 0, -1]
    elif direction == 3:
        x_move = -1.0
        y_move = 0.0
        explored_dir = 1
        new_orientation = 0
        new_theta = h_angle
        new_explored = [-1, 1, -1, 0]

    check_a = Pose2D()
    check_b = Pose2D()

    check_a.x = parent.x
    check_a.y = parent.y
    check_a.theta = parent.theta

    check_b.x = parent.x + 0.01 * x_move
    check_b.y = parent.y + 0.01 * y_move
    check_b.theta = new_theta
    resp = check_srv(check_a, check_b)
    if not resp.valid:
        check_b.x = parent.x + 0.04 * x_move
        check_b.y = parent.y + 0.04 * y_move
        check_b.theta = new_theta
        resp = check_srv(check_a, check_b)
        if not resp.valid:
            parent.explored[direction] = -1
            parent.update(goal, bonus)
            return None

    parent.explored[direction] = 1

    new = Node(check_b.x, check_b.y, new_theta, new_orientation, parent,
               new_explored)

    new.update(goal, bonus)
    parent.update(goal, bonus)

    for point in list(node_list):
        if parent.distance(point) < 2.1 * resolution:
            if (parent.explored == point.explored and point.start_dist > 0.001
                ) and (parent.parent == point.parent
                       and parent.orientation == point.orientation):
                node_list.remove(point)

    node_list.append(new)

    if new.orientation == goal.orientation and new.distance(goal) < size * 0.1:

        check_a.x = new.x
        check_a.y = new.y
        check_a.theta = new.theta

        check_b.x = goal.x
        check_b.y = goal.y
        check_b.theta = goal.theta
        resp = check_srv(check_a, check_b)
        #rospy.loginfo("Goal check:" + repr(resp.valid))
        if resp.valid:
            goal.parent = new
            return goal

    return None
示例#29
0
#!/usr/bin/env python
import rospy
from std_msgs.msg import Float64
from geometry_msgs.msg import Pose2D
from sensor_msgs.msg import LaserScan
from std_msgs.msg import Float64MultiArray
from std_msgs.msg import MultiArrayLayout
from std_msgs.msg import MultiArrayDimension

#Float64 for wheel velocities
rw_vel = 0.0
lw_vel = 0.0

#Pose2D (x, y, theta) for beacon location relative to robot location
beacon_found = False
beacon_pose = Pose2D()
beacon_pose.x = 0
beacon_pose.y = 0
beacon_pose.theta = -180

#LaserScan information on the robot laserscan taopic
laser_scan = LaserScan()

#creat the wheel-speed publisher
pub = rospy.Publisher(
    'robot0/kinematic_params', Float64MultiArray, queue_size=10)


#Get the sensor reading on the left wheel velocity
def lw_callback(lw_data):
    global lw_vel
示例#30
0
    def __init__(self,
                 attr_x=0,
                 attr_y=0,
                 n_obs=1,
                 obs_pos=[[3, 0]],
                 dsController=False,
                 freq=100,
                 n_intSteps=20,
                 dt_simu=0.1):
        rospy.init_node('VelocityController', anonymous=True)
        rospy.on_shutdown(self.call_shutdown)  # shutdown command
        rate = rospy.Rate(freq)  # Frequency
        self.dt = 1. / freq

        attr = [float(attr_x), float(attr_y)]

        self.dim = 2  # Dimensionaliyty of obstacle avoidance problem
        self.n_obs = int(
            n_obs)  # number of obstacles, at the moment manually do automatic
        print('self.pos_attr', self.n_obs)

        self.awaitingPos = True
        self.robo_pos = 0

        # Create position subscriber
        self.sub_pos = rospy.Subscriber("/Read_joint_state/quickie_state",
                                        Pose2D, self.callback_pos)
        self.sub_attr = rospy.Subscriber("/Attractor_position", Pose2D,
                                         self.callback_attr)

        # Create velocity publisher
        self.pub_vel = rospy.Publisher('cmd_vel', Twist, queue_size=10)
        self.pub_attr = rospy.Publisher('attractor',
                                        PointStamped,
                                        queue_size=10)

        # Human motion limits
        self.velHuman_max = 3.0 / 3.6
        self.velHuman_lim = 5.0 / 3.6  # [m/s]
        self.distLim_origin = 4  # [m]

        # Attractor position
        self.pos_attr = np.array(attr)
        print('self.pos_attr', self.pos_attr)

        # Robot and environment gemoetry
        self.wheelRad = 0.155  # [m]
        self.robo_dim = np.array([0.66, 0.78])  # [m]

        #  Initialize obstacle stuff
        if self.n_obs > 0:
            self.awaitingObs = [True] * self.n_obs
            self.obs_pos = [0] * self.n_obs
            self.pub_obs = [0] * self.n_obs
            for oo in range(self.n_obs):
                self.pub_obs[oo] = rospy.Publisher(
                    "/Read_obstacle_Position/Desired_Pose_sphere" +
                    str(oo + 1),
                    Pose2D,
                    queue_size=10)

            self.obs_read = 0.5  # [m]
            self.obs_dim = [0.5, 0.5]  # [m]

            # Initialize obstacles
            if self.n_obs > 1:  # Circular initial set up
                R_obsPos = 7
                for oo in range(self.n_obs):
                    self.obs_pos[oo] = Pose2D()
                    self.obs_pos[oo].x = R_obsPos * np.cos(
                        2 * pi / self.n_obs * oo)
                    self.obs_pos[oo].y = R_obsPos * np.sin(
                        2 * pi / self.n_obs * oo)
                    self.obs_pos[oo].theta = 0
                    self.pub_obs[oo].publish(self.obs_pos[oo])
            if self.n_obs == 1:
                for oo in range(self.n_obs):
                    self.obs_pos[oo] = Pose2D()
                    self.obs_pos[oo].x = obs_pos[oo][0]
                    self.obs_pos[oo].y = obs_pos[oo][1]
                    self.obs_pos[oo].theta = 0
                    self.pub_obs[oo].publish(self.obs_pos)

        while (self.awaitingPos):
            print('WAITING - missing robot position')
            rospy.sleep(0.1)

        if self.n_obs > 0:
            # Create obstacles
            sf_a = LA.norm(self.robo_dim / 2) * 1.05
            self.obs = []
            for oo in range(self.n_obs):
                self.obs.append(
                    Obstacle(
                        a=[0.5 + sf_a, 0.5 + sf_a],
                        # a=[1.48,1.48],
                        # TODO : more exact safety margin
                        #sf = LA.norm(self.robo_dim)/np.min(self.obs_dim)+1,
                        sf=1,
                        th_r=self.obs_pos[oo].theta,  # zero for the moment
                        p=1,  # Circular obstacles
                        x0=[self.obs_pos[oo].x, self.obs_pos[oo].y],
                        xd=[0, 0]))
                print('got obstacle {}'.format(oo))
            # only for cirucla obstacles
            self.dist_min = self.obs[0].a[0] * 2 + 0.01

        #################### MAIN CONTROL LOOP ####################
        print('Starting loop.')

        # Prepare variables before loop
        n_traj = 2
        pos = np.zeros((self.dim, n_traj + 1))
        ds = np.zeros((self.dim, n_traj))
        while not rospy.is_shutdown():

            if self.n_obs > 0:
                # Update position and velocity
                self.update_obsPosition()
                # Prediction of obstacle
                obs_pred = copy.deepcopy(self.obs)

            pos[:, 0] = np.array([self.robo_pos.x, self.robo_pos.y])

            # Initial velocity
            for ii in range(n_traj):
                ds_init = linearAttractor_const(pos[:, ii],
                                                x0=self.pos_attr,
                                                velConst=0.8)

                if self.n_obs > 0:
                    ds_mod = obs_avoidance_interpolation(
                        pos[:, ii],
                        ds_init,
                        self.obs,
                        vel_lim=0.2,
                        attractor=self.pos_attr)
                    print('ds mod', ds_mod)
                    print('mag ds mod', LA.norm(ds_mod))
                else:
                    ds_mod = ds_init
                    print('ds init', ds_mod)

                ds[:, ii] = ds_mod
                pos[:, ii + 1] = self.dt * ds_mod + pos[:, ii]

                for oo in range(self.n_obs):
                    obs_pred[
                        oo].x0 = obs_pred[oo].x0 + obs_pred[oo].xd * self.dt

            # Publish velocity
            vel = Twist()
            vel.linear.x = LA.norm(ds[:, 0]) / self.wheelRad
            phi0 = self.robo_pos.theta
            phi1 = np.arctan2(ds[1, 1], ds[0, 1])
            dPhi = phi1 - phi0

            # correct for disoncitnuity at -pi/pi
            while dPhi > pi:
                dPhi = pi - 2 * pi
            while dPhi < -pi:
                dPhi = pi + 2 * pi
            dPhi = dPhi / self.dt
            dPhi_max = 40. / 180 * pi
            if np.abs(dPhi) > dPhi_max:
                dPhi = np.copysign(dPhi_max, dPhi)
                # vel.linear.x = 0
                vel.linear.x = vel.linear.x / 50
                print('WAIT -- repositioning')

            vel.angular.z = dPhi * 0.8
            if False:
                vel.angular.z = 0
                vel.linear.x = 0

            self.pub_vel.publish(vel)

            # Publish Attractor
            attractor = PointStamped()
            attractor.header.frame_id = 'gazebo_world'
            attractor.point.x = self.pos_attr[0]
            attractor.point.y = self.pos_attr[1]
            attractor.point.z = 0.25
            self.pub_attr.publish(attractor)

            rate.sleep()

        print('finished')
        self.call_shutdown()