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A hybrid whale optimization algorithm based on local search strategy for the permutation flow shop scheduling problem

By Mohamed Abdel-Basset, Gunasekaran Manogaran, Doaa El-Shahat and Seyedali Mirjalili


The flow shop scheduling problem is one of the most important types of scheduling with a large number of real-world applications. In this paper, we propose a new algorithm that integrates the Whale Optimization Algorithm (WOA) with a local search strategy for tackling the permutation flow shop scheduling problem. The Largest Rank Value (LRV) requires the algorithm to deal with the discrete search space of the problem. The diversity of candidate schedules is improved using a swap mutation operation as well. In addition to the insert-reversed block operation is adopted to escape from the local optima. The proposed hybrid whale algorithm (HWA) is incorporated with Nawaz–Enscore–Ham (NEH) to improve the performance of the algorithm. It is observed that HWA gives competitive results compared to the existing algorithms.Full Tex

Topics: Information Systems not elsewhere classified, Distributed Computing, Information Systems
Publisher: Elsevier BV * North-Holland
Year: 2018
DOI identifier: 10.1016/j.future.2018.03.020
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