Files
PythonRobotics/ArmNavigation/n_joint_arm_3d/random_inverse_kinematics.py
2020-06-08 21:43:37 +09:00

36 lines
1.2 KiB
Python

"""
Inverse Kinematics for an n-link arm in 3D
Author: Takayuki Murooka (takayuki5168)
"""
import math
from NLinkArm3d import NLinkArm
import random
def random_val(min_val, max_val):
return min_val + random.random() * (max_val - min_val)
def main():
print("Start solving Inverse Kinematics 10 times")
# init NLinkArm with Denavit-Hartenberg parameters of PR2
n_link_arm = NLinkArm([[0., -math.pi / 2, .1, 0.],
[math.pi / 2, math.pi / 2, 0., 0.],
[0., -math.pi / 2, 0., .4],
[0., math.pi / 2, 0., 0.],
[0., -math.pi / 2, 0., .321],
[0., math.pi / 2, 0., 0.],
[0., 0., 0., 0.]])
# execute IK 10 times
for _ in range(10):
n_link_arm.inverse_kinematics([random_val(-0.5, 0.5),
random_val(-0.5, 0.5),
random_val(-0.5, 0.5),
random_val(-0.5, 0.5),
random_val(-0.5, 0.5),
random_val(-0.5, 0.5)], plot=True)
if __name__ == "__main__":
main()