Wang Ji-li
College of Mechanical Science and Engineering, Jilin University, Changchun, China
Yang Zhao-jun
College of Mechanical Science and Engineering, Jilin University, Changchun, China
Chen Fei
College of Mechanical Science and Engineering, Jilin University, Changchun, China
Li Guo-fa
College of Mechanical Science and Engineering, Jilin University, Changchun, China
Chen Chuan-hai
College of Mechanical Science and Engineering, Jilin University, Changchun, China
ABSTRACT
Punching machine tools is divided into 6 serial subsystems, including transmission system, electrical system, hydraulic system, pneumatic system, sliding system and lubrication system. For the purpose of minimizing the fuzzy cost, under the constraint of MTBF of punching machine tools in random failure period, a reliability allocation model based on a new effort function is constructed by adopting analysis hierarchy process used to ascertain cost weights of reliability factors. In an application case a simulated annealing algorithm is used for solving the minimum effort reliability allocation model which is transformed into unconstraint optimization model by an external penalty function method. A reliability allocation scheme with minimum fuzzy cost of improved punching machine tools could be got, reliability indexes such as average failure rate, MTBF, failure frequency of punching machine tools could be obtained.
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How to cite this article
Wang Ji-li, Yang Zhao-jun, Chen Fei, Li Guo-fa and Chen Chuan-hai, 2013. Minimum Effort Reliability Allocation Method Considering Fuzzy Cost of Punching Machine Tools. Journal of Applied Sciences, 13: 4107-4113.
DOI: 10.3923/jas.2013.4107.4113
URL: https://scialert.net/abstract/?doi=jas.2013.4107.4113
DOI: 10.3923/jas.2013.4107.4113
URL: https://scialert.net/abstract/?doi=jas.2013.4107.4113
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