Abstract
Family based dispatching rules reduce time spent on setups to improve system performance. However, they can lead to bulky arrivals at subsequent stages, causing additional delays. Few studies have considered this effect so far. Preemption, on the other hand, can enforce the deadlines of important jobs in real situations. This study deals with a new production control problem of family based dispatching rules and preemption. No research has addressed both family based dispatching rules and preemption. A new framework of decision making is presented to solve this problem. The analysis of family based dispatching rules and preemption is carried out at a two-stage flow shop by simulation modeling and statistical analysis to discover several key factors. In addition, this research investigates the performance differences among different preemption types with respect to family based dispatching rules. The results of this paper can offer insight into the use of preemption, especially with family based dispatching rules.
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