| 基于单位分解的一类非线性不确定系统跟踪控制设计 |
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| 引用本文： | 王银河,张嗣瀛. 基于单位分解的一类非线性不确定系统跟踪控制设计[J]. 控制理论与应用, 2006, 23(5): 699-702 |
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| 作者姓名： | 王银河 张嗣瀛 |
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| 作者单位： | 广东工业大学,自动化学院,广东,广州,510090;东北大学,自动化系,辽宁,沈阳,110006 |
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| 基金项目： | 广东省自然科学基金资助项目(032035)． |
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| 摘 要： | 利用单位分解在紧致域上能够以任意给定精度逼近连续函数的性质,针对一类不确定非线性系统设计了带有自适应律的鲁棒自适应跟踪控制器．结果表明这种控制器可以使输出跟踪误差渐近收敛到零点的一个小邻域内,并保证闭环系统的所有状态一致有界．最后的仿真实例说明了该方法的有效性．
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| 关 键 词： | 单位分解 逼近定理 自适应跟踪控制 |
| 文章编号： | 1000-8152（2006）05-0699-04 |
| 收稿时间： | 2005-05-26 |
| 修稿时间： | 2005-05-262005-10-31 |
Tracking control synthesis for a class of uncertain nonlinear systems based on partition of unity |
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| WANG Yin-he,ZHANG Si-ying. Tracking control synthesis for a class of uncertain nonlinear systems based on partition of unity[J]. Control Theory & Applications, 2006, 23(5): 699-702 |
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| Authors: | WANG Yin-he ZHANG Si-ying |
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| Affiliation: | Faculty of Automation, Guangdong University of Technology, Guangzhou Guangdong 510090, China; Department of Automatic Control, Northeastern University, Shenyang Liaoning 110006, China |
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| Abstract: | By utilizing the property that partition of unity can approximate any continuous function on the compact set at arbitrary precision, the robust tracking controllers with adaptive laws are designed for a class of uncertain nonlinear systems. The results show that the tracking errors converge to a small neighborhood of zero and all states in the closed-loop system are bounded via the controllers. Finally, the simulations show the validity of the method adopted in this paper. |
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| Keywords: | partition of unity approximation theorem adaptive tracking control |
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