| 一类非线性输出反馈系统的自适应输出调节问题 |
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| 引用本文： | 郭美忱,刘璐. 一类非线性输出反馈系统的自适应输出调节问题[J]. 控制理论与应用, 2014, 31(7): 987-992 |
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| 作者姓名： | 郭美忱 刘璐 |
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| 作者单位： | 香港城市大学 机械与生物医学工程学系,香港城市大学 机械与生物医学工程学系 |
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| 基金项目： | 香港城市大学资助项目(CityU–7200330). |
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| 摘 要： | 本文讨论一类非线性系统的全局鲁棒输出调节问题.假定被控非线性系统的系统输入方向未知,且产生参考或扰动信号的外部系统含未知参数,这为控制律的设计带来了挑战.文章使用自适应控制方法和内模原理,解决了一类相对阶为1的非线性输出反馈系统的输出调节问题,并将结果应用于处理Lorenz系统的渐近跟踪问题.
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| 关 键 词： | 输出调节问题 自适应控制 非线性系统 Lyapunov函数 |
| 收稿时间： | 2014-01-25 |
| 修稿时间： | 2014-05-23 |
Adaptive output regulation problem for a class of nonlinear systems |
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| GUO Mei-chen and LIU Lu. Adaptive output regulation problem for a class of nonlinear systems[J]. Control Theory & Applications, 2014, 31(7): 987-992 |
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| Authors: | GUO Mei-chen and LIU Lu |
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| Affiliation: | Department of Mechanical and Biomedical Engineering, City University of Hong Kong,Department of Mechanical and Biomedical Engineering, City University of Hong Kong |
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| Abstract: | We study the global robust output regulation problem for a class of nonlinear output feedback systems. In this problem, it is assumed that the exosystem and the control direction are unknown, which poses challenges in control law design. Adaptive control scheme and internal model principle are employed to solve the output regulation problem for nonlinear output feedback systems with relative degree 1. The controller proposed in this paper is also applied to solving an asymptotic tracking problem of the controlled Lorenz system. |
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| Keywords: | output regulation adaptive control nonlinear systems Lyapunov function |
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