A suboptimal class of decentralized hedging production policies in single part-type, stochastic M-machine flow shop

Production optimization is considered for stochastic single-part M-machine flow shops over the class of so-called decentralized hedging production policies. A decomposition methodology previously developed for tandem two-machine systems is generalized to M-machine flow shops. Using a machines decoup...

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Bibliographic Details
Main Authors: Mbihi, J., Malhame, R.P.
Format: Conference Proceeding
Language:English
Subjects:
Automation
Continuous production
Costs
Equations
Flow production systems
Manufacturing systems
Production systems
Stochastic processes
Stochastic systems
Testing
Online Access:Request full text
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Summary:Production optimization is considered for stochastic single-part M-machine flow shops over the class of so-called decentralized hedging production policies. A decomposition methodology previously developed for tandem two-machine systems is generalized to M-machine flow shops. Using a machines decoupling approximation and a so-called demand averaging principle, the considered M-machine flow shop is decomposed into a set of M decoupled single machine systems with known analytical production costs. The overall production cost obtained by adding individual costs is parametrized by M critical levels of parts to be determined. Subsequently, the best decentralized hedging production policy is found by minimizing the overall analytical cost over the hedging levels space. The predicted performance of the proposed class of decentralized policies is tested and validated on a number of three-machine flow shops with the help of Monte Carlo simulation techniques.
ISSN:0191-2216
DOI:10.1109/CDC.1999.831261