Modular redundancy and opportunistic maintenance optimization for a multi-state weighted k-out-of-n system
محل انتشار: سیزدهمین کنفرانس بین المللی مهندسی صنایع
سال انتشار: 1395
نوع سند: مقاله کنفرانسی
زبان: انگلیسی
مشاهده: 472
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شناسه ملی سند علمی:
IIEC13_211
تاریخ نمایه سازی: 14 شهریور 1396
چکیده مقاله:
In This paper the redundancy and imperfect opportunistic maintenance optimization of a multi-state weighted k-out-of-n system is formulated. The objective is to determine the k-out-of-n system redundancy level and the maintenance strategy minimizing the life cycle cost subject to an availability constraint. A new condition based opportunistic maintenance approach is developed. Different component health state thresholds are introduced for imperfect maintenance of failed subsystems and working subsystems and preventive dispatching of maintenance teams. In addition, a simulation method is developed to evaluate the performance measures of the system considering different types of subsystems, maintenance activation delays and durations, limited number of maintenance teams, and discrete inspection of the system. Also, a multi-seed tabu search heuristic algorithm is also proposed to solve the formulated problem. An application to the optimal design of a wind farm is provided to illustrate the proposed approach.
کلیدواژه ها:
نویسندگان
Hadi Abdollahzadeh
Department of Industrial Engineering, Malek Ashtar University of Technology Tehran ۱۵۸۷۵-۱۷۷۴, Iran
Amir Noroozi
Department of Industrial Engineering, Iran University of Science and Technology, Tehran, Iran