An Integrated Approach to Process Planning and Scheduling

Due to modern computer technology, large amounts of information can be available to the different levels of a manufacturing organization. The usefulness, however, of this information is very limited without adequate decision making methodology. Currently many decisions related to the operation of a manufacturing system appear in the form of process planning and scheduling. Because these two functions are performed separately, many problems arise due to conflicting objectives or unforeseen changes in the manufacturing system. Such problems can be minimized or eliminated with the aid of an integrated approach to process planning and scheduling. A common, integrating element of these two activities is the assigment of the various production tasks to the different factory resources (human beings or machines). The methodology described in this paper addresses the issue of assigning production resources as a multiple criteria decision making problem and suggests a decision making technique suitable for the manufacturing environment.

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