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Content Provider | IEEE Xplore Digital Library |
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Author | Jin Jianghong Zhao Shoutang Hu Bin |
Copyright Year | 2011 |
Description | Author affiliation: Beijing Municipal Institute of Labor Protection, 100054, China (Jin Jianghong; Zhao Shoutang; Hu Bin) |
Abstract | Diagnostic test and proof test all can detect the dangerous failure of the safety instrumented system. The coverage of the two kinds of test is the main parameter for the assessment of safety instrumented system performance. The diagnostic coverage of independed failure and depended failure are been differentiated by studying the efficiency of the comparison diagnostic test. Then, the more reasonable model for PFDavg of the 1oo2D configuration is builded. The assumption that the proof test coverage is perfect is unreasonable. In fact, the proof test is imperfect. The probability of failure for a safety function is optimized by introducing the proof test coverage. |
Starting Page | 4228 |
Ending Page | 4231 |
File Size | 166194 |
Page Count | 4 |
File Format | |
ISBN | 9781457706776 |
ISSN | 21612927 |
e-ISBN | 9789881725592 |
Language | English |
Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
Publisher Date | 2011-07-22 |
Publisher Place | China |
Access Restriction | Subscribed |
Rights Holder | Chinese Assoc of Automati |
Subject Keyword | Safety Instrumented System IEC standards Instruments Phase frequency detector Proof Test PFDavg Safety Electronic mail Reliability Diagnose Test Test Coverage Guidelines |
Content Type | Text |
Resource Type | Article |
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