NDLI: Online probabilistic assessment of operating safety for multi-mode engineering systems based on Bayesian methods

Content Provider	IEEE Xplore Digital Library
Author	Yufei Lin Maoyin Chen Donghua Zhou
Copyright Year	2013
Description	Author affiliation: Dept. of Autom., Tsinghua Univ., Beijing, China (Yufei Lin; Maoyin Chen; Donghua Zhou)
Abstract	Operating safety has become more and more important in today's engineering systems, since the systems become more and more complex. And it is crucial to develop strategies for online operating safety assessment. Although there have been some studies and researches on operating safety assessment, online assessment has not yet been paid sufficient attention, especially for multi-mode engineering systems. This paper proposes a probabilistic framework of online operating safety assessment for multi-mode engineering systems. First, a Gaussian mixture model (GMM) is used to characterize multiple operating modes. Then, based on a kind of definition of safety index (SI), the SI for one single mode is calculated. A Bayesian method is then presented to calculate the posterior probabilities belonging to each operating mode with consideration of sample dependency.
Sponsorship	IEEE Control Syst. Soc.
Starting Page	4821
Ending Page	4825
File Size	266933
Page Count	5
File Format	PDF
ISBN	9781467355339
e-ISBN	9781467355346
DOI	10.1109/CCDC.2013.6561807
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-05-25
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Multi-mode engineering systems Bayesian method Safety assessment Probabilistic logic Silicon Safety Bayes methods Indexes Gaussian mixture model
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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