An Implementation of Flexible Job Shop Scheduling Problem in a Metal Processing Company

Ali Ozan Özkul, Gamze Küçük, Ceren Çelik, Nevzatcem Öztuna, Mert Demirkan, Ezgi Çağlar Nizam, Yıldırımşan Büyükmertoğlu, Damla Yüksel*, Ayhan Özgür Toy

*Corresponding author for this work

Research output: Chapter in Book / Report / Conference proceedingConference contributionAcademicpeer-review

Abstract

In this study, we consider the flexible job-shop scheduling problem at a local metal sheet processing company. We aim to develop a model and an algorithm to generate a weekly production plan for the company. The objective is to minimize the makespan while meeting the demands of products for a given planning horizon. First, we provide an LP formulation of this problem. The computational complexity of the problem is NP-hard, hence the input data prohibits obtaining the optimal solution in a reasonable time. Therefore, we implement a metaheuristic and several rule-based heuristics. These are Genetic Algorithm, Giffler and Thompson’s Algorithm, and three other Rule-Based Heuristic Algorithms that we developed. We first test our model and heuristics over a set of sample instances, then we solve for the real data. Our experimental study indicates that one of the rule-based heuristics we developed outperforms others in most of the instances.

Original languageEnglish
Title of host publicationDigital Conversion on the Way to Industry 4.0 - Selected Papers from ISPR2020, 2020 Online - Turkey
EditorsNuman M. Durakbasa, M. Güneş Gençyılmaz
PublisherSpringer Science and Business Media Deutschland GmbH
Pages817-830
Number of pages14
ISBN (Print)9783030627836
DOIs
Publication statusPublished - 2021
Externally publishedYes
EventInternational Symposium for Production Research, ISPR 2020 - Antalya, Turkey
Duration: 24 Sept 202026 Sept 2020

Publication series

NameLecture Notes in Mechanical Engineering
ISSN (Print)2195-4356
ISSN (Electronic)2195-4364

Conference

ConferenceInternational Symposium for Production Research, ISPR 2020
Country/TerritoryTurkey
CityAntalya
Period24/09/2026/09/20

Bibliographical note

Publisher Copyright:
© 2021, The Editor(s) (if applicable) and The Author(s), under exclusive license to Springer Nature Switzerland AG.

Keywords

  • Decision support system
  • Flexible job-shop scheduling
  • Genetic algorithm
  • Giffler and Thompson’s Algorithm
  • Meta-heuristics
  • Optimization

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