Preventive replacement policies of parallel/series systems with dependent components under deviation costs

IF 9.4 1区 工程技术 Q1 ENGINEERING, INDUSTRIAL
Jiale Niu , Rongfang Yan , Jiandong Zhang
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引用次数: 0

Abstract

In traditional reliability analysis, an important assumption is that the failure components are independent from one another. However, this assumption is often challenged in reliability engineering as practical failure process is always dependent on one another component. This manuscript bases on the method of copula to characterize the dependence of the components lifetime, and studies the preventive replacement policies of series/parallel systems with dependent heterogeneous components under deviation costs. Firstly, we provide the optimal replacement time of the series and parallel systems from dependent components in the age replacement policies under the deviation cost. Secondly, we give the optimal number of periods for series/parallel systems with dependent components to minimize the expected cost rate under deviation costs. The effects of dependency, deviation costs, and the number of components in the system on the maintenance policies are analyzed. The numerical examples are then implemented to develop the optimal preventive replacement policies that minimize the expected cost rate. A case study of the cables in high-voltage transmission networks system from dependent components is conducted to present the optimal replacement time and number of periods.
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来源期刊
Reliability Engineering & System Safety
Reliability Engineering & System Safety 管理科学-工程:工业
CiteScore
15.20
自引率
39.50%
发文量
621
审稿时长
67 days
期刊介绍: Elsevier publishes Reliability Engineering & System Safety in association with the European Safety and Reliability Association and the Safety Engineering and Risk Analysis Division. The international journal is devoted to developing and applying methods to enhance the safety and reliability of complex technological systems, like nuclear power plants, chemical plants, hazardous waste facilities, space systems, offshore and maritime systems, transportation systems, constructed infrastructure, and manufacturing plants. The journal normally publishes only articles that involve the analysis of substantive problems related to the reliability of complex systems or present techniques and/or theoretical results that have a discernable relationship to the solution of such problems. An important aim is to balance academic material and practical applications.
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