| 引用本文: | 孙丽瑛, 程兆林, 王玉振.非方广义系统的未知输入有限时间观测器设计[J].控制理论与应用,2006,23(6):986~990.[点击复制] |
| SUN Li-ying, CHENG Zhao-lin, WANG Yu-zhen.Unknown input observer design for nonsquare descriptor systems in finite time[J].Control Theory & Applications,2006,23(6):986~990.[点击复制] |
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| 非方广义系统的未知输入有限时间观测器设计 |
| Unknown input observer design for nonsquare descriptor systems in finite time |
| 摘要点击 2192 全文点击 1427 投稿时间：2004-11-05 修订日期：2005-11-15 |
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| DOI编号 |
| 2006,23(6):986-990 |
| 中文关键词 非方广义系统 未知输入估计 有限时间观测器 |
| 英文关键词 nonsquare descriptor systems unknown input estimation finite time observer |
| 基金项目 |
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| 中文摘要 |
| 研究了含未知输入的非方广义系统的有限时间输入解耦观测器设计问题, 在一定条件下基于非方广义系统的结构特征, 引入一个输入–状态对的非奇异转换, 把含未知输入的非方广义系统等价地转化为输入已知的正常状态空间系统. 用传统的设计正常状态空间系统观测器的方法去构造含未知输入的非方广义系统的未知输入观测器, 并给出了观测器存在的充分条件, 由此得出了有限时间观测器的设计步骤. |
| 英文摘要 |
| The problem of input decoupled observer design in finite time for nonsquare descriptor systems with unknown input is investigated. Based on the constructive characteristics of the systems, an input-state pair of descriptor systems is introduced, which transforms the nonsquare descriptor system with unknown input into a standard state-space system where the input is known. It provides a new and simple method to construct unknown input observer for nonsquare descriptor system by using some traditional methods for standard state-space systems. The sufficient conditions for the existence of unknown input observer for nonsquare descriptor system are also given. From these, a unified design procedure for the finite time observer is derived. |
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