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Integrated production and imperfect preventive maintenance planning: An effective MILP-based Relax-and-Fix/Fix-and-Optimize Method

Integrated production and imperfect preventive maintenance planning: An effective MILP-based Relax-and-Fix/Fix-and-Optimize Method

Le Tham, Phouc, Aghezzaf, El-Houssaine, Khatab, Abdelhakim and Le, Chi Hieu (2017) Integrated production and imperfect preventive maintenance planning: An effective MILP-based Relax-and-Fix/Fix-and-Optimize Method. In: Proceedings of the 6th International Conference on Operations Research and Enterprise Systems (ICORES 2017). SCITEPRESS – Science and Technology Publications, Lda, pp. 483-490. ISBN 978-989-758-218-9 (doi:10.5220/0006285504830490)

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Abstract

This paper investigates the integrated production and imperfect preventive maintenance planning problem. The main objective is to determine an optimal combined production and maintenance strategy that concurrently minimizes production as well as maintenance costs during a given finite planning horizon. To enhance the quality of the solution and improve the computational time, we reconsider the reformulation of the problem proposed in (Aghezzaf et al., 2016) and then solved it with an effective MILP-based Relax-and-Fix/Fix-andOptimize method (RFFO). The results of this Relax-and-Fix/Fix-and-Optimize technique were also compared to those obtained by a Dantzig-Wolfe Decomposition (DWD) technique applied to this same reformulation of the problem. The results of this analysis show that the RFFO technique provides quite good solutions to the test problems with a noticeable improvement in computational time. DWD on the other hand exhibits a good improvement in terms of computational times, however, the quality of the solution still requires some more improvements.

Item Type: Conference Proceedings
Title of Proceedings: Proceedings of the 6th International Conference on Operations Research and Enterprise Systems (ICORES 2017)
Additional Information: Conference held from 23-25 February, 2017, in Porto, Portugal.
Uncontrolled Keywords: Production planning, Imperfect preventive maintenance, Optimization, Integrated strategies
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
Faculty / Department / Research Group: Faculty of Engineering & Science
Faculty of Engineering & Science > Department of Applied Engineering & Management
Last Modified: 21 Aug 2017 15:19
Selected for GREAT 2016: None
Selected for GREAT 2017: None
Selected for GREAT 2018: None
URI: http://gala.gre.ac.uk/id/eprint/17552

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