| 一类带不确定输入动态非线性系统的输出反馈鲁棒镇定 |
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| 引用本文： | 王兴平,张金春,程兆林. 一类带不确定输入动态非线性系统的输出反馈鲁棒镇定[J]. 控制理论与应用, 2005, 22(3): 507-510 |
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| 作者姓名： | 王兴平 张金春 程兆林 |
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| 作者单位： | 海军航空工程学院,应用数学研究所,山东,烟台,264001;海军航空工程学院,基础部,山东,烟台,264001;山东大学,数学与系统科学学院,山东,济南,250100 |
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| 基金项目： | 国家重点基础研究项目(G1998020300)，高校博士学科点专项科研基金资助项目(98042212). |
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| 摘 要： | 研究一类带不确定输入动态非线性系统的输出反馈鲁棒镇定问题.通过在高增益观测器引入新的设计参数,改进了通常的高增益反馈控制的设计方法.在输入动态满足零相对阶最小相位的假设下,基于非分离设计原则给出了动态输出反馈控制器的设计方法,所设计的控制器实现了对任意可允许不确定输入动态的全局鲁棒镇定.
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| 关 键 词： | 全局鲁棒镇定 不确定输入动态 动态输出反馈 高增益观测器 |
| 文章编号： | 1000-8152(2005)03-0507-04 |
| 收稿时间： | 2003-10-23 |
| 修稿时间： | 2004-09-28 |
Output feedback robust stabilization for a class of nonlinear systems with input unmodeled dynamics |
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| WANG Xing-ping,ZHANG Jin-chun,CHENG Zhao-lin. Output feedback robust stabilization for a class of nonlinear systems with input unmodeled dynamics[J]. Control Theory & Applications, 2005, 22(3): 507-510 |
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| Authors: | WANG Xing-ping ZHANG Jin-chun CHENG Zhao-lin |
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| Affiliation: | Applied Mathematics Institute,Naval Aeronautical Engineering Institute,Yantai Shandong 264001,China; Department of Basic Sciences,Naval Aeronautical Engineering Institute,Yantai Shandong 264001,China; The School of Mathematics and Systems Science,Shandong |
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| Abstract: | The problem of global robust stabilization via output feedback for a class of nonlinear systems with input unmodeled dynamics is considered.The improved high-gain observers with an additional parameter are introduced to design robust output feedback controllers,by which the gain can be determined without recursive procedure.Under the assumption that the unmodeled dynamics are minimum-phase and relative degree zero,a globally stabilizing output feedback controller is explicitly constructed based on nonseparation principle. |
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| Keywords: | global robust stabilization dynamic output feedback input unmodeled dynamics high gain observer |
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