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Observer-based robust fuzzy control of nonlinear systems with parametric uncertainties

机译:基于观察者的参数化不确定性的非线性系统鲁棒模糊控制

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摘要

This paper addresses the robust fuzzy control problem for nonlinear systems in the presence of parametric uncertainties and the state variables unavailable for measurement. The Takagi-Sugeno (T-S) fuzzy model system with parametric uncertainties is adopted for modeling the nonlinear system and establishing fuzzy state observer. Sufficient conditions are derived for robust stabilization in the sense of Lyapunov asymptotic stability and are formulated in the format of linear matrix inequalities (LMIs). The effectiveness of the proposed fuzzy controller and fuzzy observer design methodology is finally demonstrated through numerical simulations on an inverted pendulum system.
机译:本文在存在参数不确定因素的情况下,解决了非线性系统的强大模糊控制问题,以及不可用测量的状态变量。采用具有参数不确定性的Takagi-Sugeno(T-S)模糊模型系统用于建模非线性系统并建立模糊状态观察者。在Lyapunov渐近稳定性的意义上获得足够的条件,以稳定的稳定性稳定性,并以线性基质不等式(LMI)的形式配制。通过倒立摆系统上的数值模拟,最终展示了所提出的模糊控制器和模糊观察者设计方法的有效性。

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