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| 具有未知扰动的广义系统的故障检测 | |
| 引用本文： | 吴健荣. 具有未知扰动的广义系统的故障检测[J]. 系统科学与数学, 2007, 27(2): 314-320 |
| 作者姓名： | 吴健荣 |
| 作者单位： | 苏州科技学院应用数学系,苏州,215009 |
| 基金项目： | 江苏省高校自然科学基金;苏州科技学院科学基金重点项目 |
| 摘 要： | 研究具有未知扰动的随机广义系统的故障检测问题,在合理的条件下,利用状态变换从原系统中分离出一个与未知扰动解耦的降阶子系统,构造了该随机子系统稳定的滤波器,给出了输出偏差量的统计特性,在此基础上,实现了系统故障的检测． |
| 关 键 词： | 随机广义系统 未知扰动 滤波 故障检测 |
| 修稿时间： | 2004-02-09 |
Fault Detection for Singular Stochastic System with Unknown Disturbances |
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| Wu Jianrong. Fault Detection for Singular Stochastic System with Unknown Disturbances[J]. Journal of Systems Science and Mathematical Sciences, 2007, 27(2): 314-320 | |
| Authors: | Wu Jianrong |
| Affiliation: | Department of Applied Mathematics, University of Science and Technology of Suzhou, Suzhou 215009 |
| Abstract: | This paper focuses on the fault detection for singular stochastic systems with unknown inputs.Under the reasonable conditions,a reduced-order subsystem,which is decoupled from the unknown disturbances,is separated from the original system by using a state transform.For this stochastic subsystem,a stable filter is designed and the statistics of the output residual are given.Based on these results,the fault detection is realized. |
| Keywords: | Singular stochastic system unknown disturbance filter fault detection |
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