Simultaneous batching and scheduling for chemical processing with earliness and tardiness penalities

Simultaneous batching and scheduling for chemical processing with earliness and tardiness penalities

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Article ID: iaor20002787
Country: United States
Volume: 8
Issue: 4
Start Page Number: 433
End Page Number: 444
Publication Date: Dec 1999
Journal: Production and Operations Management
Authors: , ,
Keywords: programming: integer
Abstract:

We consider the problem of determining the allocation of demand from different customer orders to production batches and the schedule of resulting batches to minimize the total weighted earliness and tardiness penalties in context of batch chemical processing. The problem is formulated as a mixed-integer nonlinear programming model. An iterative heuristic procedure that makes use of the network nature of the problem formulation is presented to approximate an optimal solution. An algorithm polynomial in the number of batches to produce is also presented that optimally solves the problem under special cost structures.

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