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멀티 패스 방법을 이용한 조달 물류에서의 차량 운영 계획법
이기열,조현보,정무영 한국경영과학회 2011 한국경영과학회 학술대회논문집 Vol.2011 No.5
In inbound logistics, a careful vehicle routing planning is required to cope with inventory and quality problems arising when LCD manufacturing adopts a just-in-time (JIT) raw material delivery philosophy. Dynamic environments that disturb the system"s flexibility and robustness should be considered, such as regulation of stocks, distance of vendors, time limits of delivery, and changes of production plan. Before the generation of vehicle routing plan, however, other factors associated with the company"s policy such as the number of vehicles, time allowance of JIT, and inventory level should be considered. In this paper, multi-pass simulation as a kind of the rule-based approach was employed to determine the optimal values of these factors. And then using these values, vehicle routing plan was created by consideration of various constraints. The details of simulation algorithm and simulation results of the proposed method are presented and demonstrated through a case study.