Journal
RELIABILITY ENGINEERING & SYSTEM SAFETY
Volume 149, Issue -, Pages 88-95Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.ress.2015.12.001
Keywords
Multi-state systems; Performance sharing; Load dependent failure; Protection; Universal generating function; Genetic algorithms
Funding
- National Science foundation of China (NSFC) [71301009]
- Fundamental Research Funds for the Central Universities of China [FRF-TP-15-031A3, FRF-BR-15-001B]
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Engineering systems are designed to carry the load. The performance of the system largely depends on how much load it carries. On the other hand, the failure rate of the system is strongly affected by its load. Besides internal failures, such as fatigue and aging process, systems may also fail due to external impacts such as nature disasters and terrorism. In this paper, we integrate the effect of loading and protection of external impacts on multi-state systems with performance sharing mechanism. The objective of this research is to determine how to balance the load and protection on system elements. An availability evaluation algorithm of the proposed system is suggested and the corresponding optimization problem is solved utilizing genetic algorithms. (C) 2016 Elsevier Ltd. All rights reserved.
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