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针对一类不确定非线性系统,采用模糊技术,提出了一种新的二次稳定控制方案.应用模糊T-S模型和模糊逻辑系统对非线性系统建模,所设计的模糊控制器使得闭环系统二次稳定并满足期望的L_2范数界.该方案的主要优点是不对逼近误差和不确定性做约束假设.仿真结果表明了该方案的可行性.
Aiming at a class of uncertain nonlinear systems, a new quadratic stability control scheme is proposed by adopting the fuzzy technique. The fuzzy TS model and the fuzzy logic system are used to model the nonlinear system. The designed fuzzy controller makes the closed-loop system II Which is stable and satisfies the expected L_2 norm.The main advantage of this scheme is that it does not make any constraint assumption on approximation errors and uncertainties.The simulation results show the feasibility of this scheme.