2016
DOI: 10.1016/j.cor.2015.10.009
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Hybrid method with CS and BRKGA applied to the minimization of tool switches problem

Abstract: The minimization of tool switches problem (MTSP) seeks a sequence to process a set of jobs so that the number of tool switches required is minimized. The MTSP is well known to be NP-hard. This paper presents a new hybrid heuristic based on the Biased Random Key Genetic Algorithm (BRKGA) and the Clustering Search (CS). The main idea of CS is to identify promising regions of the search space by generating solutions with a metaheuristic, such as BRKGA, and clustering them to be further explored with local search … Show more

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Cited by 39 publications
(56 citation statements)
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References 31 publications
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“…Burger et al (2015) remark that the difference in the number of tools per job and magazine size influences the performance of the solution method and that this should be further investigated. Chaves et al (2016) present a Clustering Search (CS) technique for the basic SSP that is able to identify promising regions of the search space by generating solutions with a Biased Random Key GA (BRKGA) and clustering the solutions for further intensification of the neighbourhood using the Variable Neighbourhood Search. The results of CS + BRKGA are compared to a generic iterated local search (ILS) method and a stand-alone BRKGA.…”
Section: The Uniform Sspmentioning
confidence: 99%
See 1 more Smart Citation
“…Burger et al (2015) remark that the difference in the number of tools per job and magazine size influences the performance of the solution method and that this should be further investigated. Chaves et al (2016) present a Clustering Search (CS) technique for the basic SSP that is able to identify promising regions of the search space by generating solutions with a Biased Random Key GA (BRKGA) and clustering the solutions for further intensification of the neighbourhood using the Variable Neighbourhood Search. The results of CS + BRKGA are compared to a generic iterated local search (ILS) method and a stand-alone BRKGA.…”
Section: The Uniform Sspmentioning
confidence: 99%
“…Although CS + BRKGA shows high running times compared to BRKGA, the solution quality is slightly better than ILS and BRKGA. Paiva and Carvalho (2017) present an ILS metaheuristic that outperforms the CS + BRKGA algorithm of Chaves et al (2016) for test instances of different studies. Their ILS metaheuristic is based on a new graph representation for which they develop a graph search based heuristic that analyses the relationship between tools and a local search method based on block grouping.…”
Section: The Uniform Sspmentioning
confidence: 99%
“…The article is presented by Luiz Usberti et al [10]. Chaves et al [11] presented the minimization of minimum required tool switches to process a set of jobs on machine center. They use local search heuristics to simplify clustering process; the new hybrid heuristic based algorithm is named Biased Random Key Genetic Algorithm (BRKGA) and the clustering search (CS).…”
Section: Literature Reviewmentioning
confidence: 99%
“…There are many commonly used neighbourhood structures, for example, insertion, two adjacent elements insertion, swap and two adjacent elements swap (see Fig. 1 a-d) [11]. Block-insertion, as the neighbourhood move used to generate the path, is easy to generate a series of moves [10].…”
Section: Neighbourhood Structuresmentioning
confidence: 99%
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