一类非线性系统综合自适应模糊滑模控制

Compositive Adaptive Fuzzy Sliding Mode Control for a Class of nonlinear Systems

针对一类非线性系统把模糊控制,模糊逻辑逼近及模糊滑模控制相结合,提出一种综合自适应模糊滑模控制方法、直接和间接自适应模糊控制器只能利用模糊控制规则或模糊描述信息,而综合自适应模糊控制器能利用上述两种信息。理论证明闭环系统稳定,跟踪误差收敛到零或零的一个小邻域内。仿真结果表明了算法的有效性。

The problem of composite fuzzy adaptive control systems are proposed for a class of nonlinear system. Based on combination of fuzzy control, fuzzy logic system approach and sliding mode control. Direct and indirect adaptive fuzzy control can only use fuzzy language information or control rule.However compositive adaptive fuzzy control can use fuzzy control rule and fuzzy language information, and then the stability of elosed system is analysed. Tracking error of the system gradually converges to zero or a neighborhood of zero. Simulation shows the validity of the algorithm.