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http://dx.doi.org/10.5302/J.ICROS.2003.9.9.727

Completion Time Algorithm in Multiproduct Batch Processes with Storage Time and Product Allocation Restriction in Intermediate Storage Tank  

하진국 (동국대학교 생명화학공학과)
이경법 (부경대학교 응용화학공학부)
이인범 (포항공과대학교 화학공학과)
이의수 (동국대학교 생명화학공학과)
Publication Information
Journal of Institute of Control, Robotics and Systems / v.9, no.9, 2003 , pp. 727-735 More about this Journal
Abstract
The determination of completion time constitutes an important step in developing algorithms for short-term production scheduling. Existing completion time algorithms of multi-product batch processes often assume that intermediate storage tanks are always available when it is needed. In this paper, we consider a serial multi-product batch plants with ZW and NIS policy intermediate storge tank. We limit storage residence time and allocated products in the intermediate storage tank to minimize the quality change of the stored material as well as to reduce the clearing time during product change. A set of recurrence relations is suggested to calculate the completion times for the given batch sequence of products on all processing units. Also analytic solution for the suggested model is solved by a graphical method. The effectiveness of these results is proved by a few illustrative examples.
Keywords
multiproduct; storage time restriction; product allocation; completion time algorithm;
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Times Cited By KSCI : 1  (Citation Analysis)
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