An Approach to Buffer Allocation, in Parallel-Serial Manufacturing Systems Using the Simulation Method
The buffer allocation problem (BAP) concerns real, discrete manufacturing systems that complete repetitive, multi-assortment productions. In the automotive industry, the allocation of the correct, buffer capacity is especially important in order to obtain an acceptable throughput and work-in-progress. The BAP is an NP-hard combinatorial optimisation problem. The methodology for the allocation of buffer capacity in a parallel-serial, manufacturing system is proposed, in the paper and deals with the compromise between high, system throughput and low-level work-in-progress. The methodology is based on the simulation method. In order to analyse the behaviour of the manufacturing system, Tecnomatix Plant Simulation Software is used. Simulation experiments are conducted for the different capacities of buffer allocation within a manufacturing system. To evaluate the results of the simulation, a system performance index is proposed.
KeywordsBuffer allocation problem Computer simulation Parallel-serial manufacturing system Throughput Work-in-progress
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