Пример #1
0
class AutoDrive:

    def __init__(self):
        rospy.init_node('xycar_driver')
        self.line_detector = LineDetector('/usb_cam/image_raw')
        self.driver = MotorDriver('/xycar_motor_msg')
    self.obstacle_detector = ObstacleDetector('/ultrasonic')
    
    def trace(self):
    obs_l, obs_m, obs_r = self.obstacle_detector.get_distance()
        line_l, line_r = self.line_detector.detect_lines()
        self.line_detector.show_images(line_l, line_r)
        angle = self.steer(line_l, line_r)
        speed = self.accelerate(angle, obs_l, obs_m, obs_r)
    self.driver.drive(angle + 90, speed + 90)
    
    def steer(self, left, right):
    if left == -1:
        if 320 < right < 390:
        angle = -50
        else:
        angle = (550 - right) / (-3)
    elif right == -1:
        if 250 < left < 320:
        angle = 50
        else:
        angle = (left - 90) / 3
    else:
        angle = 0
    return angle
    
    def accelerate(self, angle, left, mid, right):
    print(mid)
    
    if mid < 40:
        speed = 0
        return speed

    if angle <= -40 or angle >= 40:
        speed = 30
    elif angle <= -25 or angle >= 25:
        speed = 40
    else:
        speed = 50

    return speed
    
    def exit(self):
        print('finished')
        
if __name__ == '__main__':
    car = AutoDrive()
    time.sleep(3)
    rate = rospy.Rate(10)
    while not rospy.is_shutdown():
        car.trace()
    rate.sleep()
    rospy.on_shutdown(car.exit)
Пример #2
0
class AutoDrive:
    def __init__(self):
        rospy.init_node('xycar_driver')
        self.line_detector = LineDetector('/usb_cam/image_raw')
        self.driver = MotorDriver('/xycar_motor_msg')
        self.obstacle_detector = ObstacleDetector('/ultrasonic')
        self.imu = ImuRead('/diagnostics')

    def trace(self):
        obs_l, obs_m, obs_r = self.obstacle_detector.get_distance()
        line_l, line_r = self.line_detector.detect_lines()
        self.line_detector.show_images(line_l, line_r)
        r, p, y = self.imu.get_data()

        angle = self.steer(line_l, line_r)
        speed = self.accelerate(angle, obs_l, obs_m, obs_r)
        self.driver.drive(angle + 90, speed + 90)

        print(speed + 90)
        print(r, p, y)

    def steer(self, left, right):
        if left == -1:
            if 320 < right < 390:
                angle = -50
            else:
                angle = (550 - right) / (-3)
        elif right == -1:
            if 250 < left < 320:
                angle = 50
            else:
                angle = (left - 90) / 3
        else:
            angle = 0
        return angle

    def accelerate(self, angle, left, mid, right):
        print(mid)

        if mid < 40:
            speed = 0
            return speed

        if angle <= -40 or angle >= 40:
            speed = 30
        elif angle <= -25 or angle >= 25:
            speed = 40
        else:
            speed = 50

        return speed

    def exit(self):
        print('finished')
Пример #3
0
class AutoDrive:
    def __init__(self):
        self.start_time = time.time()
        self.angle = 0
        self.speed = 0
        rospy.init_node('xycar_driver')
        self.line_detector = LineDetector('/usb_cam/image_raw')
        self.driver = MotorDriver('/xycar_motor_msg')
        self.obstacle_detector = ObstacleDetector('/ultrasonic')

    def trace(self):
        obs_l, obs_m, obs_r = self.obstacle_detector.get_distance()
        r, l = self.line_detector.detect_lines()
        self.line_detector.show_images()
        self.angle = self.steer(l, r, self.angle)
        self.speed = self.accelerate(self.angle, obs_m)
        self.driver.drive(self.angle + 90, self.speed + 90)

    def steer(self, l, r, angle):
        mid = (l + r) // 2
        angle = -((320 - mid) // 1.6)

        if mid < 320:
            l = -1
        elif mid > 320:
            r = -1
        else:
            angle = 0
        return angle

    def accelerate(self, angle, l, r):
        speed = 40
        if l == -1 and r == -1:
            speed = 0
        return speed

    def exit(self):
        print('finished')
Пример #4
0
class AutoDrive:
    def __init__(self):
        rospy.init_node('xycar_driver')
        self.line_detector = LineDetector('/usb_cam/image_raw')
        self.obstacle_detector = ObstacleDetector('/ultrasonic')
        self.driver = MotorDriver('/xycar_motor_msg')

    def trace(self):
        obs_l, obs_m, obs_r = self.obstacle_detector.get_distance()
        line_l, line_r = self.line_detector.detect_lines()
        self.line_detector.show_images(line_l, line_r)
        angle = self.steer(line_l, line_r)
        speed = self.accelerate(angle, obs_l, obs_m, obs_r)
        self.driver.drive(angle + 90, speed + 90)

    def steer(self, left, right):
        mid = (left + right) // 2
        angle = 0
        if 600 <= right < 650:
            if mid > 360:
                angle -= 20
            else:
                angle += 0
        elif 510 <= right < 600:
            angle -= 30
            if mid < 280:
                angle -= 10
        else:
            angle -= 40

        if -10 <= left < 65:
            if mid < 280:
                angle += 20
            else:
                angle += 0
        elif 65 <= left < 120:
            angle += 30
            if mid > 360:
                angle += 10
        else:
            angle += 40

        print(
            "reft",
            left,
            "mid",
            mid,
            "right",
            right,
        )
        print("")

        return angle

    def accelerate(self, angle, left, mid, right):
        if min(left, mid, right) < 50:
            speed = 0
        if angle < -20 or angle > 20:
            speed = 20
        else:
            speed = 30
        return speed

    def exit(self):
        print('finished')
Пример #5
0
import time
import cv2
from linedetector import LineDetector

cap = cv2.VideoCapture('2.avi')
detector = LineDetector('', ros_node=False)

while True:
    ret, frame = cap.read()
    if not ret:
        break
    if cv2.waitKey(1) & 0xff == 27:
        break

    detector.conv_image(frame)
    l, r = detector.detect_lines()
    detector.show_images(l, r)
    time.sleep(0.03)

cap.release()
cv2.destroyAllWindows()
Пример #6
0
class AutoDrive:

    def __init__(self):
        rospy.init_node('xycar_driver')
        self.line_detector = LineDetector('/usb_cam/image_raw')
        self.obstacle_detector = ObstacleDetector('/ultrasonic')
        self.driver = MotorDriver('/xycar_motor_msg')
        self.value_filter = MovingAverage(5)
        self.obs_filter = MovingAverage(5)
        self.stop_time = None

    def trace(self):
        line_l, line_r = self.line_detector.detect_lines()
        left, mid, right = self.obstacle_detector.get_distance()
        red, green, yellow = self.line_detector.detect_lights()
        self.line_detector.show_images(line_l, line_r)
        angle = self.steer(line_l, line_r)
        speed = self.accelerate(angle, mid, red, green, yellow)

        if speed == 0:
            if not self.stop_time == None && time.time() - self.stop_time >= 10:
                angle = 45
                speed = 40
            else:
                self.stop_time = time.time()
        else:
            self.stop_time = None

        if angle != None:
            self.driver.drive(angle + 90, speed + 90)

    def steer(self, left, right):
        mid = (left + right) // 2
        self.value_filter.add_sample(mid)

        if len(self.value_filter.data) >= 3:

            if 280 < mid < 360:
                angle = 0
                print(angle)
            else:
                angle = int((self.value_filter.get_wmm() - 320) / 1.5)
                print(angle)

            return angle

    def accelerate(self, angle, mid, red, green, yellow):
        if angle < -50 or angle > 50:
            speed = 40
        else:
            speed = 40

        self.obs_filter.add_sample(mid)
        if len(self.obs_filter.data) >= 3:
            if self.obs_filter.get_wmm() <= 50:
                speed = 0

        if red:
            speed = 0
        elif yellow:
            speed = 25
        elif green:
            speed = 40

        return speed

    def exit(self):
        print('finished')
Пример #7
0
class AutoDrive:
    def __init__(self):
        rospy.init_node('xycar_driver')
        self.line_detector = LineDetector('/usb_cam/image_raw')
        self.driver = MotorDriver('/xycar_motor_msg')
        self.obstacle_detector = ObstacleDetector('/ultrasonic')
        self.imu = ImuRead('/diagnostics')
        self.information = {
            "speed": -1,
            "signal": "",
            "=>": "",
            "pitch": -1,
            "roll": -1,
            "yaw": -1
        }

    def trace(self):
        obs_l, obs_m, obs_r = self.obstacle_detector.get_distance()
        line_l, line_r = self.line_detector.detect_lines()
        # color_red, color_green, color_blue = self.line_detector.detect_colors()

        self.line_detector.show_images(line_l, line_r)
        self.information["roll"], self.information["pitch"], self.information[
            "yaw"] = self.imu.get_data()
        # self.line_detector.show_colors(color_red, color_green, color_blue)
        angle = self.steer(line_l, line_r)
        speed = self.accelerate(angle, obs_l, obs_m, obs_r)
        self.information["speed"] = speed + 90
        # print('R (%.1f), P (%.1f), Y (%.1f)' % (self.r, self.p, self.y))
        self.driver.drive(angle + 90, speed + 90)

    # if self.obstacle_stop(obs_l, obs_m, obs_r) == 0:
    #    self.driver.drive(90, 90)
    # else:
    #    self.driver.drive(angle + 90, speed + 90)

    def steer(self, left, right):
        if left == -1:
            if 320 < right < 390:
                angle = -50
            else:
                angle = (550 - right) / (-3)
        elif right == -1:
            if 250 < left < 320:
                angle = 50
            else:
                angle = (left - 90) / 3
        else:
            angle = 0
        return angle

    def accelerate(self, angle, left, mid, right):
        # print(mid)
        if 0 < mid < 85:
            speed = 0
            return speed

        if angle <= -40 or angle >= 40:
            speed = 30
        elif angle <= -25 or angle >= 25:
            speed = 40
        else:
            speed = 50

        return speed

    def printInformation(self):
        print("speed : " + str(self.information["speed"]) + " ",
              "signal : " + str(self.information["signal"]) + " ",
              "=> " + str(self.information["=>"]))
        print("pitch : " + str(self.information["pitch"]) + " ",
              "roll : " + str(self.information["roll"]) + " ",
              "yaw : " + str(self.information["yaw"]))
        print("")

    def exit(self):
        print('finished')
Пример #8
0
class AutoDrive:
    def __init__(self):
        rospy.init_node('xycar_driver')
        self.line_detector = LineDetector('/usb_cam/image_raw')
        self.obstacle_detector = ObstacleDetector('/ultrasonic')
        self.driver = MotorDriver('/xycar_motor_msg')
        self.imu = ImuRead('/diagnostics')
        self.b_l = 0
        self.b_r = 0
        self.origin = False

    def trace(self):
        obs_l, obs_m, obs_r = self.obstacle_detector.get_distance()
        line_l, line_r = self.line_detector.detect_lines()
        self.line_detector.show_images(line_l, line_r)
        r, p = self.imu.get_data()
        angle = self.steer(line_l, line_r)
        speed = self.accelerate(angle, obs_l, obs_m, obs_r, r, p)
        if self.origin and p > -6.5:
            speed = -7
            angle = 0
        elif ((r > 4 and r < 175.0) or
              (r < -4 and r > -175.0)) and self.origin == False:
            speed = 28  # 30
            angle = -5
        elif p <= -6.5 and p > -7.5:
            speed = -1
            angle = 0
        elif p <= -7.5 and p > -8.5:
            speed = 24
            angle = 0
        elif p <= -8.5 and p >= -15:
            speed = 26  # 28
            angle = 0
        elif p < -15:
            speed = 34.5
            angle = 0
            self.origin = True
        '''
        elif (r>0 and r<175.0) or (r<0 and r>-175.0):
               speed = 30
           angle = -5
        elif line_l == -2:
           speed = 0
           angle = 0
           print("it stopped")
        '''
        print("angle-speed:", angle, speed)
        print("roll:", r, p)
        # print('R (%.1f) P (%.1f), Y (%.1f)' % (r, p, y))
        self.driver.drive(angle + 90, speed + 90)

    def steer(self, left, right):
        if left == -1 and right == 641:
            left = self.b_l
            right = self.b_r
        mid = (left + right) // 2

        if mid < 250:
            angle = -82
        elif mid >= 250 and mid < 260:
            angle = -70
        elif mid >= 260 and mid < 270:
            angle = -40
        # angle - -55
        elif mid >= 270 and mid < 280:
            # angle = -50
            angle = -30
        elif mid >= 280 and mid < 285:
            angle = -10
        elif mid > 390:
            angle = 73
        elif mid >= 380 and mid < 390:
            angle = 50
        elif mid >= 370 and mid < 380:
            angle = 38
        elif mid >= 360 and mid < 370:
            angle = 28
        elif mid >= 355 and mid < 360:
            angle = 1
        else:
            angle = 0

        self.b_l = left
        self.b_r = right

        print(self.b_l, self.b_r)
        print(left, right)

        return angle

    def accelerate(self, angle, left, mid, right, roll, pitch):
        after = time.time()
        print(mid, after - now)
        # if mid < 90: #and (after-now) > 70.5:
        #   speed = 20
        # if mid < 85: #and (after-now) > 70.5:
        #   speed = 12
        # if mid < 80: #and (after-now) > 70.5:
        #   speed = 7
        # if mid < 85: #and (after-now) > 70.5:
        #   speed = 4
        if mid < 95 and (after - now) < 20.5:
            speed = 0
        elif angle == 10 or angle == -10:
            speed = 32
        elif angle < -30 or angle > 30:
            speed = 34
        else:
            speed = 35

        return speed

    def exit(self):
        print('finished')
Пример #9
0
class AutoDrive:
    def __init__(self):
        rospy.init_node('xycar_driver')
        self.line_detector = LineDetector('/usb_cam/image_raw')
        self.obstacle_detector = ObstacleDetector('/ultrasonic')
        self.driver = MotorDriver('/xycar_motor_msg')
        self.imu = ImuRead('diagnostics')
        self.before = [0, 0, 0]
        self.before_sonic = 0
        self.startTime = time.time()

    def trace(self):
        obs_l, obs_m, obs_r = self.obstacle_detector.get_distance()
        line_l, line_r, line_s = self.line_detector.detect_lines()
        self.line_detector.show_images(line_l, line_r)
        r, p, y = self.imu.get_data()
        angle = self.steer(line_l, line_r, r, p, y)
        speed = self.accelerate(angle, obs_l, obs_m, obs_r, r, p, y, line_s)
        self.driver.drive(angle + 90, speed + 90)
        # print(r, p, y, "imu")
        #print(self.read)

    def steer(self, left, right, r, p, y):
        mid = (left + right) // 2

        if left == -1 and right == -1:
            left, right, mid = self.before[0], self.before[1], self.before[2]

        if left > 0 and right > 0 and mid < 150:
            left, right, mid = self.before[0], self.before[1], self.before[2]

        # if right != -1 and (self.before[2] - mid) > 5:
        #     mid = (mid + self.before[2]) * 1 // 2 + 5
        #     print((mid + self.before[2]) * 1 // 2 + 5)

        if left == -1:
            if mid - 300 < -50:
                angle = -50
            else:
                angle = mid - 300
        elif right == -1:
            if mid - 15 > 50:
                angle = 50
            else:
                angle = mid - 15
        elif mid > 325:
            if mid - 325 > 50:
                angle = 50
            else:
                angle = mid - 325
        elif mid < 295:
            if mid - 295 < -50:
                angle = -50
            else:
                angle = mid - 295
        else:
            angle = 0

        if p > 5:
            angle = 0
        elif p < -5:
            angle = 0

        self.before[0], self.before[1], self.before[2] = left, right, mid
        return angle

    def accelerate(self, angle, left, mid, right, r, p, y, stop):

        if angle > 0:
            angle = -angle
        #if mid < 110:
        #    speed = 0
        if angle < -30 or angle > 30:
            speed = 50
        elif angle < -10:
            speed = 50
        else:
            speed = 50

        if p > 7:
            speed = -40
        elif p < -7:
            speed = 35

        print(left, mid, right, self.before_sonic - mid)
        self.before_sonic = mid

        if stop == 1:
            speed = 0
        return speed

    def exit(self):
        print('finished')
Пример #10
0
class AutoDrive:

    def __init__(self):
        rospy.init_node('xycar_driver')
        self.line_detector = LineDetector('/usb_cam/image_raw')
        self.driver = MotorDriver('/xycar_motor_msg')
        self.imu = ImuRead('/diagnostics')
        self.information = {"speed": -1, "signal": "", "=>": "", "pitch": -1, "roll": -1, "yaw": -1}

    def trace(self):
        line_l, line_r, red, yellow, green = self.line_detector.detect_lines()
        self.r, self.y, self.g = red, yellow, green
        self.line_detector.show_images(line_l, line_r)
        self.information["roll"], self.information["pitch"], self.information["yaw"] = self.imu.get_data()
        angle = self.steer(line_l, line_r)
        speed = self.accelerate(angle, red, yellow, green)
        self.information["speed"] = speed + 90
        self.driver.drive(angle + 90, speed + 90)

        print(speed + 90)
        print(r, p, y)

    def steer(self, left, right):
        if left == -1:
            if 320 < right < 390:
                angle = -50
            else:
                angle = (550 - right) / (-3)
        elif right == -1:
            if 250 < left < 320:
                angle = 50
            else:
                angle = (left - 90) / 3
        else:
            angle = 0
        return angle

    def accelerate(self, angle, red, yellow, green):

        # if red is detected, stop
        if red and (not yellow) and (not green):
            speed = 0
        # if yellow is detected, go low speed
        elif (not red) and yellow and (not green):
            speed = 20
        # if green is detected, go origin speed
        elif (not red) and (not yellow) and green:
            speed = 50

        # This is origin code
        else:  # (not red) and (not yellow) and (not green):
            if angle <= -40 or angle >= 40:
                speed = 30
            elif angle <= -25 or angle >= 25:
                speed = 40
            else:
                speed = 50

        print(red, yellow, green)

        return speed

    def printInformation(self):

        if self.r:
            self.information["signal"] = "red"
            self.information["=>"] = "stop!"
        if self.y:
            self.information["signal"] = "yellow"
            self.information["=>"] = "slow"
        if self.g:
            self.information["signal"] = "green"
            self.information["=>"] = "just go"

        print("speed : " + str(self.information["speed"]) + " ", "signal : " + str(self.information["signal"]) + " ",
              "=> " + str(self.information["=>"]))
        print("pitch : " + str(self.information["pitch"]) + " ", "roll : " + str(self.information["roll"]) + " ",
              "yaw : " + str(self.information["yaw"]))
        print("")

        self.r, self.y, self.g = False, False, False
    def exit(self):
        print('finished')