Journal
ADVANCES IN ENGINEERING SOFTWARE
Volume 77, Issue -, Pages 66-75Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.advengsoft.2014.08.003
Keywords
Colliding Bodies Optimization (CBO); Coefficient Of Restitution (COR); Enhanced Colliding Bodies Optimization (ECBO); Colliding Memory (CM); Discrete and continuous optimization; Optimum design of truss structures
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Funding
- Iran National Science Foundation
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Colliding Bodies Optimization (CBO) is a new multi-agent algorithm inspired by a collision between two objects in one-dimension. Each agent is modeled as a body with a specified mass and velocity. A collision occurs between pairs of objects and the new positions of the colliding bodies are updated based on the collision laws. In this paper, Enhanced Colliding Bodies Optimization (ECBO) which uses memory to save some best solutions is developed. In addition, a mechanism is utilized to escape from local optima. The performance of the proposed algorithm is compared to those of standard CBO and some optimization techniques on some benchmark mathematical functions and three standard discrete and continuous structural design problems. Optimization results confirm the validity of the proposed approach. (C) 2014 Elsevier Ltd. All rights reserved.
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