Weighted earliness/tardiness parallel machine scheduling problem with a common due date

Oğuzhan Ahmet Arik*, Marco Schutten, Engin Topan

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

This paper investigates an unrelated parallel machine scheduling problem with a restrictive common due date. The objective is to minimize the total sum of earliness/tardiness costs. Using some properties of the problem such as V-Shaped property, optimizing start times of machines, and no idle time between successive jobs, we propose effective construction-based heuristics and local search algorithms for the problem. Using variants of the shortest and longest processing time dispatching rules and job assignment patterns, we propose four different construction algorithms to have a balanced number of jobs or the workload per machine. We construct four deterministic and one stochastic solution improvement heuristic approaches using swap and reinsertion local search mechanisms. In the proposed reinsertion-based local search mechanism, the V-shaped property of each machine is used effectively to determine the proper positions in which the removed job is inserted. After both swap and reinsertion operators, a V-Shaped property preserving mechanism takes place to preserve the V-Shaped property of each machine. We also use an LP formulation in our proposed solution approaches to determine the optimum start times of machines for a given schedule. We compare our proposed heuristics against four metaheuristics, namely simulated annealing, genetic algorithm, artificial bee colony algorithm, and fast ruin and recreate algorithm. A simple lower bound for the optimal objective function value is proposed to show the efficiency of our proposed heuristics. We test our heuristics also in an identical machine environment. The experimental study reveals that the construction and the improvement heuristic methods including swap and reinsertion outperform metaheuristics and other heuristics in solution quality for both identical and unrelated machine environments.

Original languageEnglish
Article number115916
JournalExpert systems with applications
Volume187
Early online date21 Sep 2021
DOIs
Publication statusPublished - Jan 2022

Keywords

  • Common due date
  • Earliness
  • Heuristic
  • Parallel machine
  • Tardiness
  • V-shaped
  • Scheduling

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