| 一类基于观测器切换的输出反馈镇定 |
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| 引用本文： | 白静,刘玉忠.一类基于观测器切换的输出反馈镇定[J].沈阳师范大学学报(自然科学版),2006,24(3):268-270. |
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| 作者姓名： | 白静 刘玉忠 |
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| 作者单位： | 1. 沈阳师范大学,数学与系统科学学院,辽宁,沈阳,110034;中山火矩职业技术学院,广东,中山,528436
2. 沈阳师范大学,数学与系统科学学院,辽宁,沈阳,110034 |
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| 基金项目： | 沈阳师范大学校科研和教改项目 |
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| 摘 要： | 考虑一类线性时不变系统,假设系统存在有限个备选的观测器,每个观测器的增益是已知的.在任一观测器均不能保证误差系统渐近稳定的情况下,通过这有限个观测器间按照一定的切换策略进行切换,使误差系统达到渐近稳定.基于所设计的观测器可以设计控制器,使整个闭环系统渐近稳定.最后的仿真实例说明了设计方法的正确性.
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| 关 键 词： | 线性时不变系统 状态观测器 Lyapunov函数 输出反馈镇定 |
| 文章编号： | 1673-5862(2006)03-0268-03 |
| 收稿时间： | 2005-10-20 |
| 修稿时间： | 2005年10月20 |
A Class of Observer Switched-Based Output Feedback Stabilization |
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| BAI Jing,LIU Yu-zhong.A Class of Observer Switched-Based Output Feedback Stabilization[J].Journal of Shenyang Normal University: Nat Sci Ed,2006,24(3):268-270. |
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| Authors: | BAI Jing LIU Yu-zhong |
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| Institution: | 1. College of Mathematics and System Science, Shenyang Normal University, Shenyang 110034, China; 2. Zhongshan Torch Poly Technic, Zhongshan 528436, China |
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| Abstract: | Considered a class of LTI(linear time invariable) system,suppose that there exist finite candidate state observers and the gain matrices of state observers are known,though none of the individual state observers can make the error system stabilizable,through switching among the candidate state observers under a designed switching law can make it.Based on the state observer,a controller can be designed to make the closed-loop system be asymptotically stable.The simulation shows the results are right. |
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| Keywords: | LTI system state observer Lyapunov function output feedback stabilization |
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