SYNC-MIXED: A NEW REDUNDANCY STRATEGY FOR RELIABILITY OPTIMIZATION PROBLEM

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PEIRAVI A.; KARBASIAN M.; ABOUEI ARDAKAN M.

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Journal: INDUSTRIAL ENGINEERING & MANAGEMENT SHARIF (SHARIF: ENGINEERING) Year:2019 | Volume:35-1 | Issue:1/1 Page(s): 167-176

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Title

SYNC-MIXED: A NEW REDUNDANCY STRATEGY FOR RELIABILITY OPTIMIZATION PROBLEM

Author(s)

PEIRAVI A. | KARBASIAN M. | ABOUEI ARDAKAN M. | Issue Writer Certificate

Keywords

Reliability optimizationQ1

redundancy allocation problemQ1

Sync-Mixed redundancy strategyQ1

choice of strategyQ1

Abstract

System Reliability optimization is one of practical issue in design and engineering. Adding parallel redundant component is a common approach in order to improve the reliability of a specific system. This approach that is known as redundancy allocation problem (RAP), includes discrete component choices with known characteristics such as reliability, cost, weight in order to maximize system reliability. In RAPs, redundancy strategy plays a significant role in increasing reliability of a system or subsystem. Generally, there are three types of redundancy strategies, namely, active, standby and mixed. The latter is a new strategy which is a combination of the two former and have had some noticeable results. This paper presents a new redundancy strategy for system Reliability optimization which is called Sync-Mixed. The proposed strategy is a general form of a recently introduced strategy called "Mixed Strategy" that effort to decrease number of switching system usages. In order to evaluate the efficiency of the Sync-Mixed strategy with regarding complexity of formulas for new strategy, a single specific subsystem with five components will be used and reliability of the subsystem will be computed by considering all three previous strategies and the new one. In previous studies, some well-known benchmark problems, including series system, series-parallel system, parallel-series system, and complex system, have been taken into account. The performances of all strategies are compared by considering different values of switching and components reliabilities. In RAP, it is assumed that the switch reliability and components reliability are predetermined parameters. However, in this study different combinations of components reliability and switching system reliability are taken into consideration. The main objective is to evaluate the performance of the new strategy compared to traditional strategies in different situations. Obviously, the subsystem reliability has a direct relationship with the components reliability, switch reliability and type of redundancy strategy. This study is an attempt to shed light on the sensitivity of subsystem reliability as a result of switch and component reliability changes in all redundancy strategies.

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APA: Copy

PEIRAVI, A., KARBASIAN, M., & ABOUEI ARDAKAN, M.. (2019). SYNC-MIXED: A NEW REDUNDANCY STRATEGY FOR RELIABILITY OPTIMIZATION PROBLEM. INDUSTRIAL ENGINEERING & MANAGEMENT SHARIF (SHARIF: ENGINEERING), 35-1(1/1 ), 167-176. SID. https://sid.ir/paper/107569/en

Vancouver: Copy

PEIRAVI A., KARBASIAN M., ABOUEI ARDAKAN M.. SYNC-MIXED: A NEW REDUNDANCY STRATEGY FOR RELIABILITY OPTIMIZATION PROBLEM. INDUSTRIAL ENGINEERING & MANAGEMENT SHARIF (SHARIF: ENGINEERING)[Internet]. 2019;35-1(1/1 ):167-176. Available from: https://sid.ir/paper/107569/en

IEEE: Copy

A. PEIRAVI, M. KARBASIAN, and M. ABOUEI ARDAKAN, “SYNC-MIXED: A NEW REDUNDANCY STRATEGY FOR RELIABILITY OPTIMIZATION PROBLEM,” INDUSTRIAL ENGINEERING & MANAGEMENT SHARIF (SHARIF: ENGINEERING), vol. 35-1, no. 1/1 , pp. 167–176, 2019, [Online]. Available: https://sid.ir/paper/107569/en

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