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基于降维动态观测器的一类多项式系统的非线性H_∞控制
Authors
周燕茹
曾建平
邵振华
黄程恺
Publication date
28 March 2018
Publisher
Abstract
针对一类存在外部扰动的多项式系统,研究了基于动态观测器的非线性H_∞控制设计问题.根据该类系统的结构特征,对线性时不变系统中动态观测器形式进行推广,构造出相应的非线性降维动态观测器.借鉴变量替换法研究思路,采用Lyapunov稳定性结合多项式平方和(SOS)凸优化理论,推导出该非线性H_∞控制问题的可解性条件和控制器构造方法.以质量弹簧阻尼系统为数值仿真实例,验证了所得结论的可行性和有效性.国家自然科学基金(61374037,61673325);;福建省自然科学基金(2015J01650,2016J01267);;福建省教育厅中青年教师教育科研项目(JAT170426);;厦门理工学院高层次人才项目(YKJ16024R
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Last time updated on 10/06/2020