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Articles:2018,Vol:23,Issue(2):89-96 |
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Citation: |
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JIANG Renyan, CHEN Hao. Model for Failure Point Process of a Repairable System and Application[J]. International Journal of Plant Engineering and Management, 2018, 23(2): 89-96 |
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| Model for Failure Point Process of a Repairable System and Application |
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| JIANG Renyan, CHEN Hao |
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| Faculty of Automotive and Mechanical Engineering, Changsha University of Science and Technology, Changsha 410114, China |
| Abstract: |
| A engineering system is usually repairable, and failure process of a repairable system is often described by a failure point process. The power law model is a commonly used approach to model the failure point process. This paper introduces the concept and model for the failure process of repairable system. The method of parameter estimation is developed, and failure observations are fitted into a power-law model by using the least square method. Two applications of the pressent model are discussed according to the practical failure data of the central cooling system of a nuclear power plant. One application is determining the optimal overhaul time, and the other is evaluating the quality of maintenance. This paper provides references for the overhaul decision making and maintenance quality evaluation in reality. |
| Key words:
repairable system
failure point process
overhaul decision
maintenance quality
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| Received: 2017-12-26
Revised:
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| DOI: 10.13434/j.cnki.1007-4546.2018.0204 |
| Funds: This paper is supported by the National Natural Science Foundation of China (71771029) |
| Corresponding author:
Email： |
Author description: JIANG Renyan is a professor in Faculty of Automotive and Mechanical Engineering, Changsha University of Science and Technology. His research interests are reliability engineering, quality engineering and maintenance theory. jiang@csust.edu.cn
CHEN Hao is a student in Faculty of Automotive and Mechanical Engineering, Changsha University of Science and Technology. Her research interests are reliability engineering, quality engineering and maintenance theory. chenhao9401@qq.com
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