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Scheduling lacquer production by reachability analysis - A case study

By Gerd Behrmann, Hendrik Brinksma, Martijn Hendriks, Angelika H. Mader, P Horacek, M Simandl and P Zitek

Abstract

We describe a case study on lacquer production scheduling that was performed in the European IST-project AMETIST and was provided by one of the industrial partners. The approach is to derive schedules by means of reachability analysis: with this technique the search mechanism of model checkers, in our case here Uppaal, is used to find feasible or optimal schedules. The advantage of this approach is that the expressiveness of timed automata allows to model scheduling problems of different kinds, unlike many classical approaches, and the problem class is robust against changes in the parameter setting. To fight the typical state space explosion problem a number of standard heuristics have to be used. We discuss the difficulties when modelling an industrial case of this kind, describe the experiments we performed, the heuristics used, and the techniques applied to allow to optimize costs (storage costs, delay costs, etc.) while searching for schedules

Publisher: ELSEVIER
Year: 2005
DOI identifier: 10.3182/20050703-6-cz-1902.01433
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Provided by: NARCIS
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