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首页> 外文期刊>International journal of production economics >Improving superfluous load avoidance release (SLAR): A new load-based SLAR mechanism
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Improving superfluous load avoidance release (SLAR): A new load-based SLAR mechanism

机译:改善多余的负载避免释放(刹车):基于载荷的刹车机制

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摘要

A workload limit forms an essential part of most order release methods designed for high-variety make-to-order contexts, but this mechanism does not necessarily lead to the lowest possible direct load buffer. To counter this, the Superfluous Load Avoidance Release (SLAR) procedure was developed that avoided the use of a workload limit altogether. SLAR significantly improves performance compared to alternative release methods in the literature but has been criticized for being impractical as it can lead to uncontrolled loads at stations downstream in the routing of an order. This criticism can be overcome by introducing a workload limit. Using simulation, this study shows that introducing a limit to SLAR further reduces the superfluous direct load, specifically during high load periods. This not only controls the load at downstream stations but also yields a further reduction in the percentage of tardy jobs whilst maintaining SLAR's good mean tardiness and shop floor throughput time performance. Meanwhile, introducing an additional load-based trigger further improves mean tardiness performance. These results partly question one of SLAR's original design principles and extend the theory upon which SLAR is built, by linking each of SLAR's two release triggers to periods of low and of high load. Finally, by gaining control over the workload in periods of high load, the practical applicability of SLAR is substantially enhanced.
机译:工作负载限制形成大多数订单释放方法的重要组成部分,专为高品种的待命性上下文而设计,但这种机制不一定导致最低的直接负载缓冲区。为此,开发了多余的负载避免释放(刹车)程序,避免了使用工作负载限制。与文献中的替代释放方法相比,SLAR显着提高了性能,但由于它可能导致在订单路由中的下游的站点不受控制而导致不受控制的负载。通过引入工作量限制,可以克服这种批评。使用模拟,本研究表明,引入鞋面的限制进一步降低了多余的直接载荷,特别是在高负载期间。这不仅可以控制下游站的负载,而且还产生了迟到的工作百分比的进一步减少,同时保持赃物的速度和车间吞吐时间性能。同时,引入额外的基于负载的触发器进一步提高了平均迟到性能。这些结果部分是朴素的原始设计原理之一,并通过将孤单的两个释放触发器连接到低负载的周期,扩展了构建刹车的理论。最后,通过在高负荷期间对工作量进行控制,刹车的实际适用性基本上增强。

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