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Erschienen in:
1996 | OriginalPaper | Buchkapitel
A New Global Optimization Algorithm for Batch Process Scheduling
verfasst von : Linas Mockus, Gintaras V. Reklaitis
Erschienen in: State of the Art in Global Optimization
Verlag: Springer US
Enthalten in: Professional Book Archive
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A general framework for handling a wide range of short-term scheduling problems arising in multiproduct/multi-purpose batch chemical plants is presented. Time events arising in the schedule are modeled directly and thus the use of binary variables over periods during which no changes in system state occur is avoided. The problem is formulated as a mixed integer nonlinear program (MINLP). The Bayesian Heuristic (BH) approach is used to implement a global optimization algorithm which effectively solves the resulting model. Computational comparisons using two test examples are made against a UDM (uniform discretization model) formulation. The results suggest that the BH approach combined with the nonuniform time discretization formulation shows promise for the solution of batch scheduling problems.