| 参数不确定系统的H∞估计问题的显式解和中心解 |
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| 引用本文： | 王正志,周宗潭,张良起.参数不确定系统的H∞估计问题的显式解和中心解[J].自动化学报,1997,23(1):16-23. |
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| 作者姓名： | 王正志 周宗潭 张良起 |
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| 作者单位： | 1.国防科技大学自控系,长沙 |
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| 摘 要： | 研究在连续时间情形下的具有部分参数不确定性的系统的H∞状态估计问题,它可
以被化简为带有一个自由可调参数对象的H∞状态估计,由此可得到滤波器的简洁通解显
式.并进一步研究了H∞估计的中心解,以及它与卡尔曼滤波器的关系.实例计算表明,对于
参数具有不确定性的系统,H∞滤波器的性能明显地优于卡尔曼滤波器.
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| 关 键 词： | 鲁棒性 H∞估计 卡尔曼滤波 |
| 收稿时间： | 1994-10-17 |
The Explicit Solutions and Central Solution of H∞ Estimation Problem for Uncertain Parameter Systems |
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| Wang Zhengzhi,Zhou Zongtan,Zhang Liangqi.The Explicit Solutions and Central Solution of H∞ Estimation Problem for Uncertain Parameter Systems[J].Acta Automatica Sinica,1997,23(1):16-23. |
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| Authors: | Wang Zhengzhi Zhou Zongtan Zhang Liangqi |
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| Affiliation: | 1.Dept.of Automatic Control,National Univ.of Defense science and Technology.Changsha |
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| Abstract: | This paper is concerned with the H∞ estimation problem for linear continuous-time
systems with part of parameters uncertainty. It can be simplified as a H∞ estimation problem
for a plant with a free rejustable parameter. Thus the filter expressions are given in simple
and explicit way. This paper is further concerned with the central filter of H∞ estimation, and
its relations to Kalman filter. Simulation results show that the performance of H∞ filter is
much better than Kalman filter for the systems with uncertain parameters. |
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| Keywords: | Robustness H∞ estimation Kalman filter |
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