| 一种新型的非线性随机大系统自适应镇定方法 |
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| 引用本文： | 武赛,邓飞其.一种新型的非线性随机大系统自适应镇定方法[J].系统工程与电子技术,2007,29(4):593-597. |
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| 作者姓名： | 武赛 邓飞其 |
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| 作者单位： | 华南理工大学自动化科学与工程学院,广东,广州,510640 |
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| 基金项目： | 国家自然科学基金;广东省自然科学基金 |
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| 摘 要： | 研究了一类具有严反馈形式并含有Wiener噪声扰动的非线性随机大系统,其互联项满足线性增长约束。利用微分几何的理论,应用Backstepping算法,基于Lyapunov稳定性理论,选择了适合这类组合非线性系统的状态观测器,设计了自适应输出反馈分散控制律和自适应律,使得闭环,互联的非线性随机大系统实现了概率意义下的全局稳定,仿真结果表明了控制算法的有效性。
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| 关 键 词： | 非线性随机大系统 自适应控制 分散控制 输出反馈 |
| 文章编号： | 1001-506X(2007)04-0593-05 |
| 修稿时间： | 2006年2月9日 |
New adaptive stabilization approach for large-scale stochastic nonlinear systems |
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| WU Sai,DENG Fei-qi.New adaptive stabilization approach for large-scale stochastic nonlinear systems[J].System Engineering and Electronics,2007,29(4):593-597. |
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| Authors: | WU Sai DENG Fei-qi |
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| Abstract: | This paper focuses on the large-scale stochastic nonlinear systems with uncertain Wiener noises in the strict-feedback form.The interconnections satisfy linear increase restriction.By using the differential geometry theory,backstepping algorithms and Lyapunov stability theory,an appropriate state observer is chosen,and a decentralized adaptive controller is designed such that the closed-loop,large-scale,interconnected stochastic nonlinear system is globally stable in probability.It is shown that the decentralized global stabilization via output feedback can be solved by the Lyapunov-based recursive design method. |
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| Keywords: | large-scale stochastic nonlinear systems adaptive control decentralized control output feedback |
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