Ejemplo n.º 1
0
def predictOrbit(mu):
    point_list = []
    p = Point()
    k = shuttle.Shuttle(mu)
    for var in range(0, 1000):
        p.x = k.mu[0]
        p.y = k.mu[1]
        p.z = k.mu[2]
        point_list.append(copy.copy(p))
        if k.mu[2] <= 0:
            break
        k.predict(0.01)

    updateMarker(point_list)
def callback(msg):
    global updated
    global lastmsg
    global s

    if updated == 0:
        updated = 1

    else:
        dt = msg.header.stamp.to_sec() - lastmsg.header.stamp.to_sec()
        if dt < 0:
            print "recieved data is too old!"
        elif dt > 0.3:
            updated = 1

        elif updated == 1:
            updated = 2
            s = shuttle.Shuttle(
                np.mat([[msg.point.x], [msg.point.y], [msg.point.z],
                        [(msg.point.x - lastmsg.point.x) / dt],
                        [(msg.point.y - lastmsg.point.y) / dt],
                        [(msg.point.z - lastmsg.point.z) / dt], [0], [0],
                        [0]]))
        else:
            for var in range(0, 20):
                s.predict(dt / 20)
            dt = msg.header.stamp.to_sec() - lastmsg.header.stamp.to_sec()
            s.update(np.mat([[msg.point.x], [msg.point.y], [msg.point.z]]))
            #print s.mu.T

            pubmsg = shuttle_msg()
            pubmsg.stamp = msg.header.stamp
            pubmsg.data = []
            for i in range(0, 9):
                pubmsg.data.append(s.mu[i, 0])
            pub.publish(pubmsg)

    lastmsg = msg
Ejemplo n.º 3
0
def predictOrbit(mu):
    k = shuttle.Shuttle(mu)

    T = getTransformMatrixToRacketCoordinate()

    p = np.mat([[k.mu[0]], [k.mu[1]], [k.mu[2]], [1]])
    t = T * p

    msg = PointStamped()
    msg.header.frame_id = "/map"
    msg.header.stamp = rospy.Time.now()
    msg.point.x = k.mu[0]
    msg.point.y = k.mu[1]
    msg.point.z = k.mu[2]
    shuttlePub.publish(msg)

    if (t[2, 0] <= -4 and k.mu[2] <= max_hight) or k.mu[4] > 0:
        #rospy.logwarn('Shuttle is under ground')
        roll_pub.publish(std_msgs.msg.Float32(-math.pi))
        slide_pub.publish(std_msgs.msg.Float32(0))
        swingPub.publish(std_msgs.msg.Float32(0))
        return

    elif t[2, 0] <= 0.1 and k.mu[2] <= max_hight:
        #rospy.logwarn('Shuttle is under ground')
        if math.sqrt(t[0, 0]**2 + t[1, 0]**2) < 2.0:
            swingPub.publish(std_msgs.msg.Float32(1.0))
        return

    elif k.mu[2] < min_hight - 1.5:
        roll_pub.publish(std_msgs.msg.Float32(-math.pi))
        slide_pub.publish(std_msgs.msg.Float32(0))
        swingPub.publish(std_msgs.msg.Float32(0))
        return

    #print t.T

    swingPub.publish(std_msgs.msg.Float32(0))

    for var in range(0, 200):
        p = np.mat([[k.mu[0]], [k.mu[1]], [k.mu[2]], [1]])
        t = T * p

        if (t[2, 0] <= 0 and k.mu[2] <= max_hight
                and k.mu[2] >= min_hight) or k.mu[2] < min_hight:

            msg = PointStamped()
            msg.header.frame_id = "/map"
            msg.header.stamp = rospy.Time.now()
            msg.point.x = k.mu[0]
            msg.point.y = k.mu[1]
            msg.point.z = k.mu[2]
            pointPub.publish(msg)

            y = t[1, 0] / racket_length
            if y > 1:
                y = 1
            elif y < -1:
                y = -1

            racket_spin = math.fabs(math.pi / 2 - math.asin(y))
            if t[0, 0] < 0:
                racket_spin = -racket_spin

            racket_x = math.sin(racket_spin) * racket_length
            slide_x = t[0, 0] - racket_x

            if slide_x > slide_limit:
                slide_x = slide_limit
            elif slide_x < -slide_limit:
                slide_x = -slide_limit

            while racket_spin - roll > math.pi:
                racket_spin -= 2 * math.pi

            while racket_spin - roll < -math.pi:
                racket_spin += 2 * math.pi

            u = slide_x + racket_x
            v = y * racket_length

            rp = np.mat([[u], [v], [0], [1]])
            racket_p = np.linalg.solve(T, rp)

            msg = PointStamped()
            msg.header.frame_id = "/map"
            msg.header.stamp = rospy.Time.now() + rospy.Duration(0.01 * var)
            msg.point.x = pose.position.x + p[0] - racket_p[0]
            msg.point.y = pose.position.y + p[1] - racket_p[1]
            msg.point.z = 0

            if msg.point.x > 3:
                msg.point.x = 3
            elif msg.point.x < -3:
                msg.point.x = -3

            if msg.point.y > -1:
                msg.point.y = -1
            elif msg.point.y < -6:
                msg.point.y = -6

            targetpointPub.publish(msg)

            if math.sqrt(t[0, 0]**2 + t[1, 0]**2) > 5.0:
                roll_pub.publish(std_msgs.msg.Float32(-math.pi))
                slide_pub.publish(std_msgs.msg.Float32(0))
                return

            if var < 50:
                slide_pub.publish(std_msgs.msg.Float32(slide_x))
                roll_pub.publish(std_msgs.msg.Float32(racket_spin))
            else:
                slide_pub.publish(std_msgs.msg.Float32(0.0))
                #if math.fabs(racket_spin - roll)*180/math.pi /(0.01*var) > 30 :
                roll_pub.publish(std_msgs.msg.Float32(racket_spin))

            return

        k.predict(0.01)

    roll_pub.publish(std_msgs.msg.Float32(-math.pi))
    slide_pub.publish(std_msgs.msg.Float32(0))
    swingPub.publish(std_msgs.msg.Float32(0))
Ejemplo n.º 4
0
        if abs(roll_target - roll) < math.pi / 180 and abs(slide_target -
                                                           slide) < 0.01:
            servearm_pub.publish(std_msgs.msg.Float32(0.29))

    else:
        servearm_pub.publish(std_msgs.msg.Float32(0.005))
        predictOrbit(copy.copy(s.mu))


if __name__ == '__main__':

    argv = rospy.myargv(sys.argv)
    rospy.init_node('shutle_kalman_arm')

    pose = PoseStamped().pose
    s = shuttle.Shuttle(np.mat([[0], [0], [0], [0], [0], [0], [0], [0], [0]]))

    slide_pub = rospy.Publisher('/mb1/motor1',
                                std_msgs.msg.Float32,
                                queue_size=1)
    roll_pub = rospy.Publisher('/mb1/motor2',
                               std_msgs.msg.Float32,
                               queue_size=1)

    servearm_pub = rospy.Publisher('/mb2/motor',
                                   std_msgs.msg.Float32,
                                   queue_size=1)

    rospy.Subscriber("/robot/pose", PoseStamped, poseCallback)

    mode = 0
Ejemplo n.º 5
0
def predictOrbit(mu):
    k = shuttle.Shuttle(mu)

    T = getTransformMatrixToRacketCoordinate()

    p = np.mat([[k.mu[0]], [k.mu[1]], [k.mu[2]], [1]])
    t = T * p

    msg = PointStamped()
    msg.header.frame_id = "/map"
    msg.header.stamp = rospy.Time.now()
    msg.point.x = k.mu[0]
    msg.point.y = k.mu[1]
    msg.point.z = k.mu[2]
    shuttlePub.publish(msg)

    if t[0, 0] > 0:
        rightPub.publish(std_msgs.msg.Bool(True))
    else:
        rightPub.publish(std_msgs.msg.Bool(False))

    if k.mu[4] > 0:
        #rospy.logwarn('Already recieved')
        publishHome()
        return

    if t[2, 0] <= -4:
        #rospy.logwarn('Shuttle is under ground')
        publishHome()
        swingPub.publish(std_msgs.msg.Float32(0))
        return

    elif t[2, 0] <= 0.04:
        #rospy.logwarn('Shuttle is under ground')
        if math.sqrt(t[0, 0]**2 + t[1, 0]**2) < 2.0:
            swingPub.publish(std_msgs.msg.Float32(1.0))
        return

    #print t.T

    swingPub.publish(std_msgs.msg.Float32(0))

    for var in range(0, 500):
        p = np.mat([[k.mu[0]], [k.mu[1]], [k.mu[2]], [1]])

        if k.mu[2] < -1:
            #rospy.logwarn( 'Shuttle has passed through the racket')
            publishHome()
            return

        t = T * p
        if t[2, 0] <= 0:

            msg = PointStamped()
            msg.header.frame_id = "/map"
            msg.header.stamp = rospy.Time.now() + rospy.Duration(0.01 * var)
            msg.point.x = k.mu[0]
            msg.point.y = k.mu[1]
            msg.point.z = k.mu[2]

            if msg.point.x > 3:
                msg.point.x = 3
            elif msg.point.x < -3:
                msg.point.x = -3

            if msg.point.y > -1:
                msg.point.y = -1
            elif msg.point.y < -6:
                msg.point.y = -6

            pointPub.publish(msg)

            #print msg.header.stamp.to_sec()

            return
        k.predict(0.01)

    publishHome()
Ejemplo n.º 6
0
    ax.set_xlabel("X-axis")
    ax.set_ylabel("Y-axis")
    ax.set_zlabel("Z-axis")

    # 表示範囲の設定
    ax.set_xlim(-10, 10)
    ax.set_ylim(0, 10)
    ax.set_zlim(0, 10)

    dt = 1.0 / 30.0

    tx = []
    ty = []
    tz = []
    truth = shuttle.Shuttle(
        np.mat([[0], [0], [0.79], [0], [20.6246594234], [26.3983602458], [0],
                [0], [0]]))
    print "[{0:8.3f} {1:8.3f} {2:8.3f} {3:8.3f} {4:8.3f} {5:8.3f} {6:8.3f} {7:8.3f} {8:8.3f}]".format(
        truth.mu[0, 0], truth.mu[1, 0], truth.mu[2, 0], truth.mu[3, 0],
        truth.mu[4, 0], truth.mu[5, 0], truth.mu[6, 0], truth.mu[7, 0],
        truth.mu[8, 0])

    x = []
    y = []
    z = []
    s = shuttle.Shuttle(
        np.mat([[0], [0], [0.79], [0], [20.6246594234], [26.3983602458], [0],
                [0], [0]]))

    ox = []
    oy = []