多关节机器人的非奇异终端模糊滑模控制

    Fuzzy Nonsingular Terminal Sliding Mode Control for Multi-link Robots

    • 摘要: 针对多关节机械臂轨迹跟踪控制,提出了一种非奇异终端模糊滑模控制方法.采用模糊控制调节滑模控制的切换增益,改善了非奇异终端滑模控制的局限性,利用积分的方法自动对系统的建模误差和干扰的上界进行评估,实现了对建模误差和干扰的自动跟踪,削弱了抖振.文中利用李亚普诺夫定理证明了系统的稳定性,仿真结果证明了其有效性.

       

      Abstract: This paper introduces a method of fuzzy nonsingular terminal sliding mode (FNTSM) control for tracking control of multi-link robot manipulators.This method avoids some disadvantages of nonsingular terminal sliding mode (NTSM) control by fuzzy control that adjusts the switching gain of sliding mode control,achieves automatic tracking the maximum limit of model errors and disturbances by integral,and reduces chattering.The system stability is proved by Lyapunov principle.Simulation results verify the validity of the control scheme.

       

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