J4 ›› 2010, Vol. 45 ›› Issue (1): 80-85.
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鄢来云 沈艳军
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基金资助:
国家自然科学基金资助项目(60773190);湖北省自然科学基金资助项目(2008CDZ046);湖北省教育厅自然科学研究资助项目(D20091305)
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摘要：
研究了基于扰动观测器的一类网络控制系统(NCS)的H∞控制。系统中的扰动分成两部分:一部分是由外部系统引起的在输入通道中出现的扰动；另一部分是H2范数有界的扰动。针对输入通道中出现的扰动设计一个观测器,利用Lyapunov稳定性理论和线性矩阵不等式(LMI)方法,给出了H∞控制律。最后,数值算例验证了该结果的有效性。
关键词: 网络控制系统；扰动观测器；H∞控制
Abstract:
A novel type of H∞ control based on the disturbance-observer is proposed fora class of networked control systems. These disturbances includetwo parts: one disturbance in the input channel is generated by exogenous system and the other disturbance is due to the bound H2 norm. The new disturbance-observer is designed for the disturbance in the input channel, by using the theory of Lyapunov stability and LMI methods, and a H∞ law is obtained based on the estimate. Fainally, an example is given to demonstrate the effectiveness of the results.
Key words: networked control system; disturbance-observer; H∞ control
鄢来云 沈艳军. 基于扰动观测器的一类网络控制系统的H∞控制[J]. J4, 2010, 45(1): 80-85.
YAN Lai-Yun, SHEN Yan-Jun. Disturbance-observerbased H∞ control for a class of networked control system[J]. J4, 2010, 45(1): 80-85.
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http://lxbwk.njournal.sdu.edu.cn/CN/Y2010/V45/I1/80
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