Abstract
Distributed scheduling problems have attracted much attention in recent years; however, distributed hybrid flow shop scheduling problem (DHFSP) is seldom investigated. In this paper, DHFSP with multiprocessor tasks is studied and a dynamic shuffled frog-leaping algorithm (DSFLA) is proposed to minimize makespan. Dynamic search process is executed in each memeplex with at least two improved solutions. Global search and dynamic multiple neighborhood search are applied, in which neighborhood structure is chosen based on its optimization effect. A new destruction-construction process is hybridized with DSFLA and population shuffling is done when shuffling condition is met. Lower bound is obtained and proved. A number of experiments are conducted on a set of instances. The computational results validate the effectiveness of the new strategies of DSFLA and the competitive performances on solving the considered DHFSP.
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