期刊
RELIABILITY ENGINEERING & SYSTEM SAFETY
卷 112, 期 -, 页码 109-119出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.ress.2012.12.002
关键词
Bayesian reliability; Reliability assessment; Model updating; Product life cycle
资金
- National Natural Science Foundation of China [51075061]
- Natural Sciences and Engineering Research Council of Canada (NSERC)
- City University of Hong Kong [9380058]
The rapidly increasing pace and continuously evolving reliability requirements of new products have made life cycle reliability assessment of new products an imperative yet difficult work. While much work has been done to separately estimate reliability of new products in specific stages, a gap exists in carrying out life cycle reliability assessment throughout all life cycle stages. We present a Bayesian model updating approach (BMUA) for life cycle reliability assessment of new products. Novel features of this approach are the development of Bayesian information toolkits by separately including reliability improvement factor and information fusion factor, which allow the integration of subjective information in a specific life cycle stage and the transition of integrated information between adjacent life cycle stages. They lead to the unique characteristics of the BMUA in which information generated throughout life cycle stages are integrated coherently. To illustrate the approach, an application to the life cycle reliability assessment of a newly developed Gantry Machining Center is shown. (C) 2012 Elsevier Ltd. All rights reserved.
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