示例#1
0
    args = parser.parse_args()
    cfg = YamlConfig(args.cfg)
    T_camera_ee = RigidTransform.load(cfg['T_camera_ee_path'])
    T_camera_mount_delta = RigidTransform.load(cfg['T_camera_mount_path'])

    logging.info('Starting robot')
    fa = FrankaArm()
    fa.set_tool_delta_pose(T_camera_mount_delta)
    fa.reset_joints()
    fa.open_gripper()

    T_ready_world = fa.get_pose()
    T_ready_world.translation[0] += 0.25
    T_ready_world.translation[2] = 0.4

    ret = fa.goto_pose(T_ready_world)

    logging.info('Init camera')
    sensor = get_first_realsense_sensor(cfg['rs'])
    sensor.start()

    logging.info('Detecting April Tags')
    april = AprilTagDetector(cfg['april_tag'])
    intr = sensor.color_intrinsics
    T_tag_camera = april.detect(sensor, intr, vis=cfg['vis_detect'])[0]
    T_camera_world = T_ready_world * T_camera_ee
    T_tag_world = T_camera_world * T_tag_camera
    logging.info('Tag has translation {}'.format(T_tag_world.translation))

    logging.info('Finding closest orthogonal grasp')
    T_grasp_world = get_closest_grasp_pose(T_tag_world, T_ready_world)
    print('Opening gripper all the way')
    fa.open_gripper()

    # joint controls
    print('Rotating last joint')
    joints = fa.get_joints()
    joints[6] += np.deg2rad(45)
    fa.goto_joints(joints)
    joints[6] -= np.deg2rad(45)
    fa.goto_joints(joints)

    # end-effector pose control
    print('Translation')
    T_ee_world = fa.get_pose()
    T_ee_world.translation += [0.1, 0, 0.1]
    fa.goto_pose(T_ee_world)
    T_ee_world.translation -= [0.1, 0, 0.1]
    fa.goto_pose(T_ee_world)

    print('Rotation in end-effector frame')
    T_ee_rot = RigidTransform(
        rotation=RigidTransform.x_axis_rotation(np.deg2rad(45)),
        from_frame='franka_tool', to_frame='franka_tool'
    )
    T_ee_world_target = T_ee_world * T_ee_rot
    fa.goto_pose(T_ee_world_target)
    fa.goto_pose(T_ee_world)

    # reset franka back to home
    fa.reset_joints()
示例#3
0
from frankapy import FrankaArm

if __name__ == '__main__':
    print('Starting robot')
    fa = FrankaArm()

    fa.reset_joints()

    pose = fa.get_pose()
    pose.translation[0] = 0.75

    # This should trigger an error
    fa.goto_pose(pose)
    
import rospy

if __name__ == "__main__":
    fa = FrankaArm()
    fa.reset_joints()

    rospy.loginfo('Generating Trajectory')
    p0 = fa.get_pose()
    p1 = p0.copy()
    T_delta = RigidTransform(translation=np.array([0, 0, 0.2]),
                             rotation=RigidTransform.z_axis_rotation(
                                 np.deg2rad(30)),
                             from_frame=p1.from_frame,
                             to_frame=p1.from_frame)
    p1 = p1 * T_delta
    fa.goto_pose(p1)

    T = 5
    dt = 0.02
    ts = np.arange(0, T, dt)

    weights = [min_jerk_weight(t, T) for t in ts]
    pose_traj = [p1.interpolate_with(p0, w) for w in weights]

    z_stiffness_traj = [min_jerk(100, 800, t, T) for t in ts]

    rospy.loginfo('Initializing Sensor Publisher')
    pub = rospy.Publisher(FC.DEFAULT_SENSOR_PUBLISHER_TOPIC,
                          SensorDataGroup,
                          queue_size=1000)
    rate = rospy.Rate(1 / dt)
from frankapy.proto import JointPositionSensorMessage, ShouldTerminateSensorMessage
from franka_interface_msgs.msg import SensorDataGroup

from frankapy.utils import min_jerk

import rospy

if __name__ == "__main__":
    fa = FrankaArm()
    fa.reset_joints()

    rospy.loginfo('Generating Trajectory')
    joints_0 = fa.get_joints()
    p = fa.get_pose()
    p.translation[2] -= 0.2
    fa.goto_pose(p)
    joints_1 = fa.get_joints()

    T = 5
    dt = 0.02
    ts = np.arange(0, T, dt)
    joints_traj = [min_jerk(joints_1, joints_0, t, T) for t in ts]

    rospy.loginfo('Initializing Sensor Publisher')
    pub = rospy.Publisher(FC.DEFAULT_SENSOR_PUBLISHER_TOPIC,
                          SensorDataGroup,
                          queue_size=1000)
    rate = rospy.Rate(1 / dt)

    rospy.loginfo('Publishing joints trajectory...')
    # To ensure skill doesn't end before completing trajectory, make the buffer time much longer than needed
    args = parser.parse_args()
    cfg = YamlConfig(args.cfg)
    T_camera_ee = RigidTransform.load(cfg['T_camera_ee_path'])
    T_camera_mount_delta = RigidTransform.load(cfg['T_camera_mount_path'])

    logging.info('Starting robot')
    fa = FrankaArm()
    fa.set_tool_delta_pose(T_camera_mount_delta)
    fa.reset_joints()
    fa.open_gripper()

    T_ready_world = fa.get_pose()
    T_ready_world.translation[0] += 0.25
    T_ready_world.translation[2] = 0.4

    fa.goto_pose(T_ready_world)

    logging.info('Init camera')
    sensor = get_first_realsense_sensor(cfg['rs'])
    sensor.start()

    logging.info('Detecting April Tags')
    april = AprilTagDetector(cfg['april_tag'])
    intr = sensor.color_intrinsics
    T_tag_camera = april.detect(sensor, intr, vis=cfg['vis_detect'])[0]
    T_camera_world = T_ready_world * T_camera_ee
    T_tag_world = T_camera_world * T_tag_camera
    logging.info('Tag has translation {}'.format(T_tag_world.translation))

    logging.info('Finding closest orthogonal grasp')
    T_grasp_world = get_closest_grasp_pose(T_tag_world, T_ready_world)