Particle swarm optimization is a typical population-based optimization method, which has been applied in various areas. The theoretical research development of particle swarm optimization is summarized. The fuzzy characteristics of particle swarm optimization is discussed from four different aspects, such as the native characteristics of algorithm, its optimization process, its research object properties, and the advantages of fuzzy modeling.%粒子群优化是一种典型的群智能优化技术,在不同的工程领域得到了广泛应用.概述了粒子群优化理论研究进展,从粒子群优化方法本身、优化设计、工程对象属性和模糊建模优势等方面,探讨了粒子群优化的模糊特征.
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