基于改进和声搜索算法识别门式起重机结构空间模态的传感器优化布置方法研究

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Bibliographic Details
Published in浙江大学学报：A卷英文版 Vol. 16; no. 6; pp. 464 - 477
Main Author Hui JIN Jie XIA Ya-qiong WANG
Format Journal Article
LanguageEnglish
Published 2015
Subjects
优化传感器布置
和声搜索算法
模态置信度准则
结构健康监测
门式起重机
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Bibliography:Harmony search （HS） algorithm, Optimal sensor placement, Gantry crane, Modal assurance criterion （MAC）, Structural health monitoring （SHM）
The problem of optimal sensor placement plays a key role in the success of structural health monitoring （SHM） systems. In this study, a new method is presented to investigate the optimization problem of sensor placement on gantry crane structures. The method is a combination of an improved harmony search （HS） algorithm and the modal assurance criterion （MAC）. Firstly, we review previous studies on setting reasonable values for HS parameters that have the most impact on the result, and highlight the lack of general rules governing this aspect. Based on more efficient HS algorithms resulting from those studies, we apply our proposed technique to the optimization problem of sensor placement on gantry crane structures. The purpose of the optimization method is to select the optimal sensor locations on gantry crane girders to establish a sensor network for an SHM system. Our results show that the HS algorithm is a powerful search and optimization technique that can lead to a better solution to the problem of engineering optimization. The mode of a crane structure could be identified more easily when different mode shape orientations are considered comprehensively.
33-1236/O4
ISSN:1673-565X
1862-1775