The importance of good scheduling strategies in production environments in todays competitive world market cannot be over-stressed. The need to respond to the market demands quickly and to run production units efficiently gives rise to a complex scheduling system. FMS scheduling involves allocation of batches to the machines so as to reduce the idle time of machines. Each machine processes at most one operation at a time and once an operation initiates processing on a given machine is said to be completed without interruption. The operations of a given batch are to be processed in the given order. The present work aims at finding schedule of operations on the machines taking into account the precedence constraints, that minimizes the Make span, that is, the finished time of the last operation completed in the schedule.
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