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Enhanced colliding bodies optimization for design problems with continuous and discrete variables |
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| Affiliation: | 1. Dept. of Civil & Env. Engg. & Earth Sci., University of Notre Dame, United States;2. Dept. of Civil & Env. Engg. & Earth Sci., 156 Fitzpatrick Hall, University of Notre Dame, Notre Dame, IN 46556, United States;1. Centre of Excellence for Fundamental Studies in Structural Engineering, Department of Civil Engineering, Iran University of Science and Technology, Tehran, Iran;2. School of Civil Engineering, Iran University of Science and Technology, Narmak, Tehran 16, Iran;1. Constantine Electrical Engineering Laboratory, LEC, Department of Electrical Engineering, University of Freres Mentouri Constantine, 25000 Constantine, Algeria;2. Laboratory of Electrical Engineering of Constantine, LGEC, Department of Electrical Engineering, University of Freres Mentouri Constantine, 25000 Constantine, Algeria;3. Electrical Engineering Department, King Fahd University of Petroleum and Minerals, Dhahran 31261, Saudi Arabia;4. Electrical Engineering Department, Faculty of Engineering, Kafrelsehiekh University, Egypt |
| Abstract: | 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. |
| 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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