<正>In this paper,a decentralized adaptive neural network control algorithm for reconfigurable manipulators bas...
Lu Zhu~(1,2),Yuanchun Li~2 1.State Key Laboratory of Automobile Dynamic Simulation,Jilin University,Changchun 130022,China 2.Department of Communication Engineering,Jilin University,Changchun 130022,China.
针对机械臂控制中各子系统间交联项难于处理的问题,提出了一种基于扩张状态观测器(extended state observer,ESO)和模糊策略的分散控制方法.将机械臂系统考虑为各关节交联子系统的集合,采用扩张状态观测器去实时估计机械臂各关节间的状态、耦合交联项及非线性项,利用模糊系统去逼近机械臂动力学模型中的建模不确定项,从而设计分散自适应模糊控制器以实现机械臂的轨迹跟踪控制,给出了控制器中参数的自适应更新律,并对该控制器进行了Lya-punov稳定性分析.最后将该方法应用于一个4自由度机械臂的轨迹跟踪控制中,仿真结果表明了该方法对处理耦合交联项及在各关节轨迹跟踪控制中的有效性.
A stable direct adaptive fuzzy decentralized control for reconfigurable modular manipulators is proposed to sa...
ZHU Mingchao 1,LU Peng 2,ZHU Lu 2,LI Yuanchun 2 1.Changchun Institute of Optics,Fine Mechanics and Physics,Chinese Academy of Sciences,Changchun 130022,P.R.China 2.Department of Control Science and Engineering,Jilin University,Changchun 130022,P.R.China