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Observer-based optimal fault detection and diagnosis using conditional probability distributions
Guo, Lei; Zhang, Yu-Min; Wang, Hong; Fang, Jian-Cheng
2006-10-01
发表期刊IEEE TRANSACTIONS ON SIGNAL PROCESSING
卷号54期号:10页码:3712-3719
文章类型Article
摘要A new optimal fault detection and diagnosis (FDD) scheme is studied in this paper for the continuous-time stochastic dynamic systems with time delays, where the available information for the FDD is the input and the measured output probability density functions (pdf's) of the system. The square-root B-spline functional approximation technique is used to formulate the output pdf's with the dynamic weightings. As a result, the concerned FDD problem can be transformed into a robust FDD problem subjected to a continuous time uncertain nonlinear system with time delays. Feasible criteria to detect and diagnose the system fault are provided by using linear matrix inequality (LMI) techniques. In order to improve FDD performances, two optimization measures, namely guaranteed cost performance and H-infinity performance, are applied to optimize the observer design. Simulations are given to demonstrate the efficiency of the proposed approach.
关键词Fault Detection And Diagnosis Probability Density Functions (Pdf's) Robust Observers Stochastic System Filtering
WOS标题词Science & Technology ; Technology
关键词[WOS]SYSTEMS ; DESIGN
收录类别SCI
语种英语
WOS研究方向Engineering
WOS类目Engineering, Electrical & Electronic
WOS记录号WOS:000240775900005
引用统计
文献类型期刊论文
条目标识符http://ir.ia.ac.cn/handle/173211/9230
专题09年以前成果
作者单位1.Univ Manchester, Control Syst Ctr, Manchester M60 1QD, Lancs, England
2.Chinese Acad Sci, Inst Automat, Beijing 100080, Peoples R China
3.Beihang Univ, Sch Instrument Sci & Optoelectron Engn, Beijing 100083, Peoples R China
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GB/T 7714
Guo, Lei,Zhang, Yu-Min,Wang, Hong,et al. Observer-based optimal fault detection and diagnosis using conditional probability distributions[J]. IEEE TRANSACTIONS ON SIGNAL PROCESSING,2006,54(10):3712-3719.
APA Guo, Lei,Zhang, Yu-Min,Wang, Hong,&Fang, Jian-Cheng.(2006).Observer-based optimal fault detection and diagnosis using conditional probability distributions.IEEE TRANSACTIONS ON SIGNAL PROCESSING,54(10),3712-3719.
MLA Guo, Lei,et al."Observer-based optimal fault detection and diagnosis using conditional probability distributions".IEEE TRANSACTIONS ON SIGNAL PROCESSING 54.10(2006):3712-3719.
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