|
| 1 | +import swift |
| 2 | +import roboticstoolbox as rtb |
| 3 | +import spatialmath as sm |
| 4 | +import numpy as np |
| 5 | +import time |
| 6 | + |
| 7 | + |
| 8 | +class RobotControl(): |
| 9 | + def __init__(self, dt, env, robot): |
| 10 | + self.dt = dt |
| 11 | + self.env = env |
| 12 | + self.robot = robot |
| 13 | + self.env.add(self.robot) |
| 14 | + |
| 15 | + |
| 16 | + def move(self, positionX, positionY, positionZ, numberOfSteps): |
| 17 | + robotJointsStates = np.zeros(6) |
| 18 | + for joint in range(5): |
| 19 | + robotJointsStates[joint] = self.robot.q[joint] |
| 20 | + |
| 21 | + Tep = sm.SE3.Trans(positionX, positionY, positionZ) * sm.SE3.OA([1, 0,1], [0, 0, -1]) |
| 22 | + sol = self.robot.ik_LM(Tep) # solve IK |
| 23 | + |
| 24 | + qt = rtb.jtraj(robotJointsStates, sol[0], numberOfSteps) |
| 25 | + #print(qt.q[numberOfSteps-1]) |
| 26 | + for steps in range(numberOfSteps): |
| 27 | + self.robot.q = qt.q[steps] |
| 28 | + self.env.step(self.dt) |
| 29 | + time.sleep(self.dt) |
| 30 | + |
| 31 | + |
| 32 | + def pause(self, second): |
| 33 | + for i in range(int(second/(self.dt))): |
| 34 | + self.env.step(self.dt) |
| 35 | + time.sleep(self.dt) |
| 36 | + |
| 37 | + |
| 38 | +if __name__ == "__main__": # pragma nocover |
| 39 | + |
| 40 | + env = swift.Swift() |
| 41 | + env.launch(realtime = True) |
| 42 | + |
| 43 | + lite = rtb.models.Lite6() |
| 44 | + lite.q = lite.qr |
| 45 | + |
| 46 | + rob = RobotControl(0.1, env, lite) |
| 47 | + |
| 48 | + positionX = [0.15, 0.15, 0.35] |
| 49 | + positionY = [-0.2, -0.2, 0.2] |
| 50 | + positionZ = [0.05, 0.4, 0.2] |
| 51 | + step = [50, 50, 50] |
| 52 | + |
| 53 | + for position in range(len(step)): |
| 54 | + rob.move(positionX[position], positionY[position], positionZ[position], step[position]) |
| 55 | + rob.pause(1) |
| 56 | + |
| 57 | + rob.pause(10) |
| 58 | + |
| 59 | + |
| 60 | + |
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