Citation
Continuous Time Model for Scheduling Operations in Cascaded Continuous Processing Units with Multiple Due Dates. In proceedings of the 7th Multidisciplinary International Conference on Scheduling : Theory and Applications (MISTA 2015), 25 - 28 Aug 2015, Prague, Czech Republic, pages 63-77, 2015.
Paper
Abstract
Continuous processing units, where input streams flow in at one end and the output streams flow out simultaneously at the other end, are quite common in petroleum and pharmaceutical industries. In a typical scenario each product needs to be processed by a specific sequence of units, and there can be several products requiring the same sequence of units. Each product may need to be shipped multiple times, in specified quantities, during the planning horizon. However, each unit can process only one product line at a time. Since the input streams for all the product lines flow into the block of units simultaneously, scheduling operations in these units calls for a balance among spillage penalties, changeover costs and shipment failure penalties. This paper uses the concepts of State Task Network and event points to develop a continuous time model with a goal to minimize the total cost. The model has been tested in a scenario having three units and three product lines as encountered in a refinery situation.
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Bibtex
@INPROCEEDINGS{2015-063-077-P, author = { S. Bhattacharya and S.K. Bose },
title = {Continuous Time Model for Scheduling Operations in Cascaded Continuous Processing Units with Multiple Due Dates },
booktitle = {In proceedings of the 7th Multidisciplinary International Conference on Scheduling : Theory and Applications (MISTA 2015), 25 - 28 Aug 2015, Prague, Czech Republic},
year = {2015},
editor = {Z. Hanzalek and G. Kendall and B. McCollum and P. Sucha},
pages = {63--77},
note = {Paper},
abstract = { Continuous processing units, where input streams flow in at one end and the output streams flow out simultaneously at the other end, are quite common in petroleum and pharmaceutical industries. In a typical scenario each product needs to be processed by a specific sequence of units, and there can be several products requiring the same sequence of units. Each product may need to be shipped multiple times, in specified quantities, during the planning horizon. However, each unit can process only one product line at a time. Since the input streams for all the product lines flow into the block of units simultaneously, scheduling operations in these units calls for a balance among spillage penalties, changeover costs and shipment failure penalties. This paper uses the concepts of State Task Network and event points to develop a continuous time model with a goal to minimize the total cost. The model has been tested in a scenario having three units and three product lines as encountered in a refinery situation. },
owner = {Graham},
timestamp = {2017.01.16},
webpdf = {2015-063-077-P.pdf} }