| Naslov: | Improving mutation strategies in differential evolution with a new pbest selection mechanism |
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| Avtorji: | ID Popič, Jan (Avtor)
ID Bošković, Borko (Avtor)
ID Brest, Janez (Avtor) |
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| Datoteke: |  1-s2.0-S1568494625012918-main.pdf (3,09 MB)
MD5: 35CB2D388F8B34FE37466DA458FC8753
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| Jezik: | Angleški jezik |
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| Vrsta gradiva: | Članek v reviji |
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| Tipologija: | 1.01 - Izvirni znanstveni članek |
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| Organizacija: | FERI - Fakulteta za elektrotehniko, računalništvo in informatiko
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| Opis: | Differential evolution, which belongs to a group of population-based algorithms, has received a lot of research attention since its introduction in 1995. A population-based algorithm is required to guide individuals to visit potentially better basins of attraction in the search space when searching for a globally optimal solution. Additionally, individuals need to interact with each other during an evolutionary process to explore the search space effectively. In this paper, we propose a novel pbest selection mechanism for DE/current-to-pbest mutation strategy and its variants designed to enhance the potential for exploration of different attraction basins. The proposed mechanism enforces a minimal distance between the selected pbest individual and all other better individuals. This means that possible candidates for the pbest individual, used in mutation, are further spaced apart. As a result, the likelihood that the new trial vector will be generated in a different attraction basin of the search space is increased. The mechanism is incorporated into the L-SHADE, jSO, and L-SRTDE algorithms, and its effectiveness is evaluated using CEC’24 benchmark functions. Experimental results demonstrate improvements in the performance of the selected algorithms, particularly in higher-dimensional problem instances. |
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| Ključne besede: | population-based algorithm, differential evolution, gobal optimization, mutation strategies, exploration–exploitation |
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| Status publikacije: | Objavljeno |
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| Verzija publikacije: | Objavljena publikacija |
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| Poslano v recenzijo: | 11.06.2025 |
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| Datum sprejetja članka: | 24.09.2025 |
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| Datum objave: | 27.09.2025 |
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| Založnik: | Elsevier B.V. |
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| Leto izida: | 2025 |
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| Št. strani: | 17 str. |
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| Številčenje: | Vol. 185, part B, [article no.] 113978 |
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| PID: | 20.500.12556/DKUM-95839  |
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| UDK: | 004.8 |
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| COBISS.SI-ID: | 255045123 |
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| DOI: | doi.org/10.1016/j.asoc.2025.113978 |
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| ISSN pri članku: | 1872-9681 |
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| Avtorske pravice: | © 2025 The Authors |
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| Datum objave v DKUM: | 29.10.2025 |
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| Število ogledov: | 253 |
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| Število prenosov: | 12 |
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| Metapodatki: |    |
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| Področja: | Ostalo
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