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单杆柔性臂的动态切换滑模-最优混合控制

DOI: 10.13190/jbupt.201304.46.048, PP. 50-54

Keywords: 柔性臂,奇异摄动,动态滑模控制,最优控制

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Abstract:

针对单连杆柔性臂的点对点定位问题,提出了动态滑模控制与最优控制相结合的混合控制方法.利用奇异摄动法将柔性臂系统分为慢变和快变2个子系统,并分别设计控制器;对慢变子系统采用基于动态切换函数的动态滑模控制.该方法考虑到了执行机构的动态特性,可以消除控制输入的抖振.快变子系统经变换后呈线性系统,故采用简单的最优控制即可快速有效地抑制振动.数值仿真结果表明,该方法不仅有效地降低了滑模控制所固有的抖振,而且能实现柔性臂的精确定位和振动抑制.

References

[1]  Tinkir M, Onen U, Kalyoncu M. Modeling of neuro fuzzy control of a flexible link[J]. Proceedings of the Institution of Mechanical Engineers, Part I-Journal of Systems and Control Engineering, 2010, 224(15): 529-543.
[2]  褚明, 贾庆轩, 叶平, 等. 关节驱动柔性臂非最小相位系统的全局终端滑模控制[J]. 机械工程学报, 2012, 48(3): 41-49. Chu Ming, Jia Qingxuan, Ye Ping, et al. Global terminal sliding mode control for joint-drive flexible arm nonminimum phase system[J]. Journal of Mechanical Engineering, 2012, 48(3): 41-49.
[3]  El-badawy A A, Mehrez M W, Ali A R. Nonlinear modeling and control of flexible-link manipulators subjected to parametric excitation[J]. Nonlinear Dynamics, 2010, 62(4): 769-779.
[4]  Boscariol P, Gasparetto A, Zanotto V. Active position and vibration control of a flexible links mechanism using model-based predictive control[J]. Journal of Dynamic Systems Measurement and Control-Transactions of the ASME, 2010, 132(1): 1-4.
[5]  邱志成. 刚柔耦合系统的振动主动控制[J]. 机械工程学报, 2006, 42(11): 26-33. Qiu Zhicheng. Active vibration control for coupling system of flexible structures and rigid body[J]. Chinese Journal of Mechanical Engineering, 2006, 42(11): 26-33.
[6]  Hamerlain M, Youssef T, Belhocine M. Switching on the derivative of control to reduce chatter[J]. IEEE Proceedings on Control Theory and Applications, 2001, 148(1): 88-96.

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