防灾减灾工程学报2026，Vol.46Issue(2)：467-476,10.DOI:10.13409/j.cnki.jdpme.20250707002
基于非接触式视觉测量的结构损伤和冲击荷载识别方法
Identification of Structural Damage and Impact Force Based on Non-contact Visual Measurement
摘要
Abstract
Engineering structures may suffer damage under external loads,and non-contact visual mea-surement methods have been used for structural damage identification or load identification,but the coupling effect between structural damage and unknown input loads has not been considered.There-fore,this study proposed an iterative identification method for structural damage and impact force based on non-contact visual measurement.First,the multi-point displacement response of the target structure was extracted by a sub-pixel template matching algorithm,and the external load was recon-structed based on the relationship between input load and output response.Then,the displacement re-sponse was calculated using the reconstructed external load and estimated structural parameters.The difference between the measured and calculated displacement responses was defined as the objective function,which was then optimized by an adaptive hybrid swarm intelligence algorithm.Finally,the structural damage and impact force were identified simultaneously.The effectiveness of the method was verified through an outdoor shaking table test on a cold-formed steel framed wall structure and an experiment on an eight-story steel frame.The results showed that the proposed method could accurate-ly identify structural damage and impact force simultaneously,demonstrating favorable application prospects in the field of structural health monitoring.关键词
计算机视觉/损伤识别/荷载识别/混合算法/位移测量Key words
computer vision/damage identification/force identification/hybrid algorithm/displacement measurement分类
建筑与水利引用本文复制引用
刘泽刚,潘梁,张兆昌,富春伟,张广才..基于非接触式视觉测量的结构损伤和冲击荷载识别方法[J].防灾减灾工程学报,2026,46(2):467-476,10.基金项目
浙江省高职教育"十四五"第一批教学改革项目(jg20230333)、浙江省丽水市2024年市本级公益性技术应用研究项目(2024GYX25)、博士后面上项目(2025M773297)、国家资助博士后研究计划项目(GZC20252163)、镇江市青年科技人才托举工程项目(镇科协[2025]21号)资助 （jg20230333）
