CASIA OpenIR  > 09年以前成果
Observer-based optimal fault detection and diagnosis using conditional probability distributions
Guo, Lei; Zhang, Yu-Min; Wang, Hong; Fang, Jian-Cheng
Source PublicationIEEE TRANSACTIONS ON SIGNAL PROCESSING
2006-10-01
Volume54Issue:10Pages:3712-3719
SubtypeArticle
AbstractA 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.
KeywordFault Detection And Diagnosis Probability Density Functions (Pdf's) Robust Observers Stochastic System Filtering
WOS HeadingsScience & Technology ; Technology
WOS KeywordSYSTEMS ; DESIGN
Indexed BySCI
Language英语
WOS Research AreaEngineering
WOS SubjectEngineering, Electrical & Electronic
WOS IDWOS:000240775900005
Citation statistics
Cited Times:43[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ia.ac.cn/handle/173211/9230
Collection09年以前成果
Affiliation1.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
Recommended Citation
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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