Disruption: A new operator in gravitational search algorithm | Zendy

Soroor Sarafrazi | Zendy; Hossein Nezamabadipour | Zendy; Saeı̈d Saryazdi | Zendy

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Disruption: A new operator in gravitational search algorithm

Author(s) -

Soroor Sarafrazi,

Hossein Nezamabadipour,

Saeı̈d Saryazdi

Publication year - 2011

Publication title -

scientia iranica

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.299

H-Index - 51

eISSN - 2345-3605

pISSN - 1026-3098

DOI - 10.1016/j.scient.2011.04.003

Subject(s) - benchmark (surveying) , computation , operator (biology) , gravitational search algorithm , particle swarm optimization , exploit , algorithm , nonlinear system , mathematical optimization , computer science , genetic algorithm , mathematics , physics , biochemistry , chemistry , computer security , geodesy , repressor , quantum mechanics , transcription factor , gene , geography

To improve the exploration and exploitation abilities of the standard Gravitational Search Algorithm (GSA), a novel operator called “Disruption”, originating from astrophysics, is proposed. The disruption operator is inspired by nature and, with the least computation, has improved the ability of GSA to further explore and exploit the search space. The proposed improved GSA has been evaluated on 23 nonlinear benchmark functions and compared with standard GSA, the genetic algorithm and particle swarm optimization. The obtained results confirm the high performance of the proposed method in solving various nonlinear functions

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