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JACIII Vol.9 No.3 pp. 282-289
doi: 10.20965/jaciii.2005.p0282
(2005)

Paper:

Constrained Optimization by the α Constrained Particle Swarm Optimizer

Tetsuyuki Takahama*, and Setsuko Sakai**

*Faculty of Information Sciences, Hiroshima City University, 3-4-1 Ozukahigashi, Asaminami-Ku, Hiroshima 731-3194, Japan

**Faculty of Commercial Sciences, Hiroshima Shudo University, 1-1-1 Ozukahigashi, Asaminami-Ku, Hiroshima 731-3195, Japan

Received:
October 29, 2004
Accepted:
December 25, 2004
Published:
May 20, 2005
Keywords:
constrained optimization, nonlinear optimization, particle swarm optimization, α constrained method
Abstract

In this study, α constrained particle swarm optimizer αPSO, which is the combination of the α constrained method and particle swarm optimization, is proposed to solve constrained optimization problems. The α constrained methods can convert algorithms for unconstrained problems to algorithms for constrained problems using the α level comparison, which compares the search points based on the satisfaction level of constraints. In the αPSO, the agents who satisfy the constraints move to optimize the objective function and the agents who don’t satisfy the constraints move to satisfy the constraints. The effectiveness of the αPSO is shown by comparing the αPSO with GENOCOP5.0, and other PSO-based methods on some nonlinear constrained problems.

Cite this article as:
Tetsuyuki Takahama and Setsuko Sakai, “Constrained Optimization by the α Constrained Particle Swarm Optimizer,” J. Adv. Comput. Intell. Intell. Inform., Vol.9, No.3, pp. 282-289, 2005.
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Last updated on Mar. 01, 2021