| 一类模糊时滞系统指定衰减度的鲁棒控制 |
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| 引用本文： | 邓长辉,魏新江,张慧凤.一类模糊时滞系统指定衰减度的鲁棒控制[J].控制理论与应用,2007,24(2):264-268. |
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| 作者姓名： | 邓长辉 魏新江 张慧凤 |
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| 作者单位： | 1. 大连水产学院,信息工程学院,辽宁,大连,116023
2. 鲁东大学,数学与信息学院,山东,烟台,264025 |
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| 基金项目： | 国家自然科学基金资助项目(30200212);山东省自然科学基金资助项目(Y2005G05);鲁东大学博士科研启动基金资助项目 |
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| 摘 要： | 研究了一类非线性时滞系统基于模糊T-S模型的鲁棒镇定问题,所考虑的不确定时滞系统含有时变未知但有界的状态时滞,首先利用Razumikhin定理和Lyapunov定理,得出了由模糊T-S模型描述的非线性时滞系统鲁棒稳定且具有指定衰减度的判据,其次得到了具有指定衰减度的无记忆状态反馈控制律存在的充分条件及相应的控制器设计方法,该条件被进一步等价地转化为一个线性矩阵不等式的可解性问题,所设计的控制器确保了闭环系统具有指定衰减度鲁棒稳定。
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| 关 键 词： | 时滞系统 衰减度 鲁棒镇定 时滞相关 |
| 文章编号： | 1000-8152（2007）02-0264-05 |
| 收稿时间： | 2004/10/22 0:00:00 |
| 修稿时间： | 2004-10-222006-08-31 |
Robust controller with definite attenuation for a class of fuzzy time-delay systems |
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| DENG Chang-hui,WEI Xin-jiang,ZHANG Hui-feng.Robust controller with definite attenuation for a class of fuzzy time-delay systems[J].Control Theory & Applications,2007,24(2):264-268. |
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| Authors: | DENG Chang-hui WEI Xin-jiang ZHANG Hui-feng |
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| Affiliation: | School of Information Engineering, Dalian Fisheries University, Dalian Liaoning 116023, China; Department of Mathematics and Information, Ludong University, Yantai Shandong 264025, China |
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| Abstract: | The problem of robust stabilization for nonlinear time-delay system based on fuzzy T-S model is developed in this paper.The systems under consideration include time-varying unknown but bounded time-delay in state.Firstly,by applying the Razumikhin theory and Lyapunov theory,a criterion of robust stability with definite attenuation for nonlinear time-delay system is derived.Secondly,the sufficient condition for the existence of memoryless state feedback controller with definite attenuation and the method of designing controller are derived.The condition is also further equivalent to the solvability of certain linear matrix inequality (LMI).The designed controller guarantees the closed-loop system to possess robust stability with definite attenuation. |
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| Keywords: | time-delay systems attenuation robust stabilization delay-dependent |
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