Dual resource constrained flexible job shop scheduling with sequence‐dependent setup time

Author:

Barak Sasan12,Javanmard Shima23,Moghdani Reza4ORCID

Affiliation:

1. Department of Decision Analytics and Risk, Southampton Business School University of Southampton Southampton UK

2. Faculty of Economics VŠB Technical University of Ostrava Ostrava Czech Republic

3. Eqbal Lahoori Institute of Higher Education Mashhad Iran

4. Department of Accounting, Finance, Logistics and Economics (AFLE), Huddersfield Business School University of Huddersfield Huddersfield UK

Abstract

AbstractThis study addresses the imperative need for efficient solutions in the context of the dual resource constrained flexible job shop scheduling problem with sequence‐dependent setup times (DRCFJS‐SDSTs). We introduce a pioneering tri‐objective mixed‐integer linear mathematical model tailored to this complex challenge. Our model is designed to optimize the assignment of operations to candidate multi‐skilled machines and operators, with the primary goals of minimizing operators' idleness cost and sequence‐dependent setup time‐related expenses. Additionally, it aims to mitigate total tardiness and earliness penalties while regulating maximum machine workload. Given the NP‐hard nature of the proposed DRCFJS‐SDST, we employ the epsilon constraint method to derive exact optimal solutions for small‐scale problems. For larger instances, we develop a modified variant of the multi‐objective invasive weed optimization (MOIWO) algorithm, enhanced by a fuzzy sorting algorithm for competitive exclusion. In the absence of established benchmarks in the literature, we validate our solutions against those generated by multi‐objective particle swarm optimization (MOPSO) and non‐dominated sorted genetic algorithm (NSGA‐II). Through comparative analysis, we demonstrate the superior performance of MOIWO. Specifically, when compared with NSGA‐II, MOIWO achieves success rates of 90.83% and shows similar performance in 4.17% of cases. Moreover, compared with MOPSO, MOIWO achieves success rates of 84.17% and exhibits similar performance in 9.17% of cases. These findings contribute significantly to the advancement of scheduling optimization methodologies.

Funder

Grantová Agentura České Republiky

Publisher

Wiley

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