具有冗余度机器人最佳力矩的控制
OPTIMAL TORQUE CONTROL OF REDUNDANT MANIPULATORS
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摘要: 本文主要研究具有冗余度机器人的轨迹规划,提出了-种在Chebysbev意义下,用于极小化关节驱动力矩的最优化方法.最小力矩的控制,可通过在加速度水平上,选择Jacobian矩阵的零空间矢量,用-般的线性规划方法求解.文中以平面的三连杆机械手为例验证了本文所提出的方法.仿真结果表明,按照这种方法进行轨迹规划,机械手的主要关节驱动力矩比伪逆方法显著减小.Abstract: This paper discusses trajectory planning of robots with redundancy.An optimization method inChebyshev sense for minimizing driving torques of joints is presented.According to this method,plan-ning of minimal torque can be solved by general linear programming.A planar manipulator with threelinks is used to test the developed algorithm.Simulation results show that major joint torques are muchsmaller than for pseudoinverse algorithm.