基于排队网络理论的生产物流瓶颈识别与优化研究

Study on Identification and Optimization of Bottlenecks in Production Logistics Processes Based on Queue Network Theory

针对制造系统多品种小批量生产模式下物流瓶颈转移的复杂问题,在对排队网络理论进行深入研究的基础上,建立了不同工站利用率和生产负荷的关系,并针对两类工件和四个工站的排队网络,对生产物流瓶颈转移趋势进行了分析,提出了用MVA近似分析法推算生产物流瓶颈的方法,该方法可以较好地计算瓶颈转折点的数值,能够有效处理生产物流瓶颈转移问题,为提高制造企业生产物流瓶颈管理水平创造了条件。

In this paper, in view of the complexity in removing the logistics bottlenecks in the multi-variety small-batch production system and on the basis of an in-depth analysis of the queue network theory, we established the relationship between the production load and utility rate of different workstations, then in view of the queue network involving two types of work pieces and four workstations, analyzed the trend of the relocation of the bottlenecks in the production logistics system and at last proposed the MVA method to deduct the bottleneck removing process.