document: Evaluation of combined dispatching and routeing strategies for a flexible manufacturing system This paper deals with the evaluation of combined dispatching and routeing strategies on the performance of a flexible manufacturing system . Three routeing policies - no alternative routings , alternative routeing dynamics and alternative routeing plans - are considered with four dispatching rules with finite buffer capacity . In addition , the effect of changing part mix ratios is also discussed . The performance measures considered are makespan , average machine utilization , average flow time and average delay at local input buffers . Simulation results indicate that the alternative routings dynamic policy gives the best results in three performance measures except for average delay at local input buffers . Further , the effect of changing part mix ratios is not significant
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