Developing a New Model for availability Optimization Applied to a Series-Parallel System
سال انتشار: 1392
نوع سند: مقاله ژورنالی
زبان: انگلیسی
مشاهده: 717
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شناسه ملی سند علمی:
JR_IJIEPR-24-2_001
تاریخ نمایه سازی: 7 شهریور 1393
چکیده مقاله:
Redundancy technique is known as a way to enhance the reliability and availability of non-reparable systems, but for repairable systems, another factor is getting prominent called as the number of maintenance resources. In this study, availability optimization of series-parallel systems is modelled by using Markovian process by which the number of maintenance resources is located into the objective model under constraints such as cost, weight, and volume. Due to complexity of the model as nonlinear programming , solving the model by commercial softwares is not possible, and a simple heuristic method called as simulated annealing is applied. Our main contribution in this study is related to the development of a new availability model considering a new decision variable called as the number of maintenance resources. A numerical simulation is solved and the results are shown to demonstrate the effecienct of the method.
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نویسندگان
A. Yahyatabar Arabi
MSc. student, Industrial Engineering, Sharif university of Technology, Iran, Tehran
A. Eshraghniaye Jahromi
Associate Professor, Industrial Engineering, Sharif University of Technology, Iran, Tehran
M. Shabannataj
MSc. student, Industrial Engineering, Shomal University, Iran