Optimal sensor placement based on relaxation sequential algorithm

被引：15
|
作者：
Yin, Hong [1 ]
Dong, Kangli [1 ]
Pan, An [1 ]
Peng, Zhenrui [1 ]
Jiang, Zhaoyuan [1 ]
Li, Shaoyuan [2 ]
机构：
[1] Lanzhou Jiaotong Univ, Sch Mech Engn, Lanzhou 730070, Peoples R China
[2] Shanghai Jiao Tong Univ, Sch Elect Informat & Elect, Shanghai 200240, Peoples R China
来源：
NEUROCOMPUTING | 2019年 / 344卷
基金：
中国国家自然科学基金;
关键词：
Relaxation sequential algorithm; Optimal sensor placement; Modal assurance criterion; ORBIT MODAL IDENTIFICATION; OPTIMIZATION;
D O I：
10.1016/j.neucom.2018.03.088
中图分类号：
TP18 [人工智能理论];
学科分类号：
081104 ; 0812 ; 0835 ; 1405 ;
摘要：
Aiming at the large tension of the solution obtained by sequential algorithm for optimal sensor placement problem, a novel relaxation sequential algorithm is proposed by introducing the idea of edge relaxation operation of Dijkstra's algorithm into sequential algorithm. An initial solution set is generated by sequential algorithm, and improved by relaxation till the relaxation operation terminates. The proposed algorithm takes modal assurance criterion (MAC) matrix as the objective fitness function. A truss structure and a rigid-framed arch bridge are applied as examples to verify the effectiveness of the new algorithm for optimal sensor placement. The result indicates that the relaxation sequential algorithm requires fewer sensors and can reach better maximum off-diagonal element of MAC matrix in OSP problem. (C) 2019 Elsevier B.V. All rights reserved.
引用
收藏
页码：28 / 36
页数：9
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