A sequential search framework for selecting weights of dispatching rules in manufacturing systems

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Dynamic manufacturing systems consisting of multiple stages use a combination of dispatching rules to obtain production schedules in general. A weighted sum method, which assigns different weights to each dispatching rule and prioritizes jobs with a high weighted sum, is widely used especially for LCD and semiconductor manufacturing. A suitable set of weights by considering dynamic system states has to be determined in order to improve the throughput and utilization of systems. Hence, we develop a sequential search framework, with simulation and decision trees, which can generate a good weight set of dispatching rules within a short period of time. We show that the proposed search method performs better than a random search by performing experiments with real fab data.
Publisher
INFORMS
Issue Date
2019-12-09
Language
English
Citation

Winter Simulation Conference, pp.2201 - 2211

DOI
10.1109/WSC40007.2019.9004693
URI
http://hdl.handle.net/10203/271481
Appears in Collection
IE-Conference Papers(학술회의논문)
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