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模糊输出反馈实现动态不确定非线性系统的几乎干扰解耦

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Indexed by:期刊论文

Date of Publication:2014-03-17

Journal:控制与决策

Included Journals:Scopus、EI、PKU、ISTIC、CSCD

Volume:29

Issue:5

Page Number:779-786

ISSN No.:1001-0920

Key Words:非线性系统 自适应模糊控制 几乎干扰解耦 高增益观测器 小增益定理 nonlinear systems adaptive fuzzy control almost disturbance decoupling high-gain-based observer small-gain theorem

Abstract:研究一类单输入单输出动态不确定非线性系统的几乎干扰解耦问题。首先设计一类新型的模糊高增益观测器估计非线性系统的未知状态;然后结合自适应模糊backstepping控制、小增益定理和改变供能函数方法,给出鲁棒自适应模糊控制器的设计。所设计的控制器不仅可以保证整个闭环系统在输入到状态实际稳定意义下稳定,同时抑制了干扰对输出的影响。仿真结果表明了所提出控制方法的有效性。

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