Structural Damage Identification using Improved Particle Swarm Optimization

被引：0
|
作者：
Guo, Huiyong [1 ]
Yuan, Junsheng [1 ]
Li, Zhengliang [1 ]
机构：
[1] Chongqing Univ, Sch Civil Engn, Chongqing 400045, Peoples R China
来源：
TRENDS IN CIVIL ENGINEERING, PTS 1-4 | 2012年 / 446-449卷
关键词：
Damage identification; Particle Swarm Optimization; modal strain energy; frequency; evidence fusion;
D O I：
10.4028/www.scientific.net/AMR.446-449.3171
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
In order to solve structural damage identification problem, a damage identification method based on improved Particle Swarm Optimization (IPSO) is presented. First, structural frequency and modal strain energy are utilized to obtain damage information. Then, evidence fusion theory is utilized to integrate the information and preliminarily identify structural damage locations. After the damaged locations are determined, Particle Swarm Optimization (PSO) is used to identify structural damage extent. Some improved strategies are presented to enhance the search efficiency. The simulation results demonstrate that the proposed method can estimate the damage locations and extent with good accuracy.
引用
收藏
页码：3171 / 3175
页数：5
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