Rubost Adaptie Fuzzy Control for a Class of Multivariable Nonlinear Dynamic Systems
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摘要: 对一类非线性多变量未知动态系统,提出了一种自适应模糊控制策略.策略中采用 IF-THEN推理规则来构造模糊逻辑系统,实现对系统中未知函数的估计,在建模误差为零的 条件下设计状态反馈控制器及参数的自适应律.分析了当存在建模误差时,闭环系统的稳定 性和鲁棒性.Abstract: In this paper, a fuzzy adaptive control scheme for a class of MIMO nonlinear dynamic systems is presented. In the design, fuzzy logic systems are utilized to approximate the unknown functions, and state feedback controller and parameter adaptive law are obtained without considering modeling error. Finally, the stability and robustness analysis of the closed loop system is given.
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Key words:
- MIMO nonlinear systems /
- fuzzy control /
- stability /
- robustness
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