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http://dx.doi.org/10.9709/JKSS.2012.21.3.079

Optimization for Concurrent Spare Part with Simulation and Multiple Regression  

Kim, Kyung-Rok (LIG 넥스원)
Yong, Hwa-Young (LIG 넥스원)
Kwon, Ki-Sang (LIG 넥스원)
Abstract
Recently, the study in efficient operation, maintenance, and equipment-design have been growing rapidly in military industry to meet the required missions. Through out these studies, the importance of Concurrent Spare Parts(CSP) are emphasized. The CSP, which is critical to the operation and maintenance to enhance the availability, is offered together when a equipment is delivered. Despite its significance, th responsibility for determining the range and depth of CSP are done from administrative decision rather than engineering analysis. The purpose of the paper is to optimize the number of CSP per item using simulation and multiple regression. First, the result, as the change of operational availability, was gained from changing the number of change in simulation model. Second, mathematical regression was computed from the input and output data, and the number of CSP was optimized by multiple regression and linear programming; the constraint condition is the cost for optimization. The advantage of this study is to respond with the transition of constraint condition quickly. The cost per item is consistently altered in the development state of equipment. The speed of analysis, that simulation method is continuously performed whenever constraint condition is repeatedly altered, would be down. Therefore, this study is suitable for real development environment. In the future, the study based on the above concept improves the accuracy of optimization by the technical progress of multiple regression.
Keywords
CSP(Concurrent Spare Part); Simulation; Multiple Regression;
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Times Cited By KSCI : 6  (Citation Analysis)
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