引用本文: | 孙丽瑛, 程兆林.含未知输入的广义系统的状态与输入估计[J].控制理论与应用,2003,20(3):454~458.[点击复制] |
SUN Li-ying, CHENG Zhao-lin.State and input estimation for singular systems with unknown input[J].Control Theory and Technology,2003,20(3):454~458.[点击复制] |
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含未知输入的广义系统的状态与输入估计 |
State and input estimation for singular systems with unknown input |
摘要点击 1491 全文点击 1726 投稿时间:2000-05-30 修订日期:2002-04-08 |
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DOI编号 10.7641/j.issn.1000-8152.2003.3.029 |
2003,20(3):454-458 |
中文关键词 未知输入 状态与输入估计 输入解耦观测器 |
英文关键词 unknown inputs state and input estimation input decoupled-observer |
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(98042212); 山东省自然科学基金(Q99A07). |
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中文摘要 |
研究了含未知输入的广义系统的输入解耦观测器设计问题. 在系统脉冲能控的条件下通过系统输入-状态对的非奇异变换, 把此问题等价地转化为正常状态空间系统的相应问题. 用大家熟知的方法设计正常状态空间系统的观测器, 从而得到广义系统的输入解耦观测器. 然后用广义系统的观测器状态和系统输出的线性组合渐近估计系统的状态与未知输入. |
英文摘要 |
The problem of input decoupled observer design for singular linear systems with unknown input is discussed. When the system is impulsively controllable, an equivalent problem for standard state space systems is derived from nonsingular transformation of input-state for systems. An observer of standard state space systems is designed by using well-known techniques, so the input decoupled observer of the singular linear systems is obtained. Finally the state and unknown input of the singular linear systems are asymptotically estimated using the state of the observer and outputs of the systems. |