Off-line scheduling a simple chemical batch process production plan using the ILOG scheduler

This paper considers the application of event based constrained logic programming solutions for a typical multipurpose multistage batch process scheduling problem using the ILOG scheduler software package, where resource requirements such as equipment items and feed materials etc. are considered in...

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Bibliographic Details
Published in:Computers & chemical engineering 1998-01, Vol.22, p.S947-S950
Main Authors: Das, B.P., Shah, N., Chung, P.W.H.
Format: Article
Language:English
Subjects:
Activities
Applications of mathematics to chemical engineering. Modeling. Simulation. Optimization
Applied sciences
Batch process
Chemical engineering
Constraints
Exact sciences and technology
Manufacturing
Process operations
Production
Resources
Schedule
Scheduler
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Summary:This paper considers the application of event based constrained logic programming solutions for a typical multipurpose multistage batch process scheduling problem using the ILOG scheduler software package, where resource requirements such as equipment items and feed materials etc. are considered in various combinations. The aim is to contrast the approach with established mathematical programming approaches. The solution is based on a heuristic approach where the process route of each product is considered separately along with their resource requirements and each product is made in a campaign mode, where more than one batch of particular activity might be performed within a cycle, so that the material balance within the system can be maintained. These solutions can be generated within very modest computation time but require considerable preprocessing of the input data. This work has shown that the ILOG system is fairly flexible and readily interfaced with external systems and can cope with the various constraints imposed on the problem. However, further work is required for testing large scale industrial problems.
ISSN:0098-1354
1873-4375
DOI:10.1016/S0098-1354(98)00187-2