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针对未知确定性被控对象和未知非线性时变对象,通过构造虚拟等价系统的方法研究T--S模糊控制系统的稳定性.采用虚拟等价系统的目的在于降低原问题的难度,改进现有稳定性判据的保守性.分析结果表明,T--S模糊控制系统的稳定性主要取决于局部模型的精度、模糊规则的正确性以及局部控制器的镇定性.
The stability of T - S fuzzy control system is studied by constructing a virtual equivalent system for unknown controlled objects and unknown nonlinear time - varying objects. The purpose of using virtual equivalent system is to reduce the difficulty of the original problem and to improve The stability of the existing stability criteria is analyzed.The analysis results show that the stability of T - S fuzzy control system depends mainly on the accuracy of local model, the correctness of fuzzy rules and the stabilization of local controllers.