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| 基于数据融合的大型输电铁塔结构损伤识别 | |
| 引用本文： | 刘春城,张伟,杨杰,胡峰. 基于数据融合的大型输电铁塔结构损伤识别[J]. 应用基础与工程科学学报, 2011, 19(6): 947-955. DOI: 10.3969/j.issn.1005-0930.2011.06.011 |
| 作者姓名： | 刘春城 张伟 杨杰 胡峰 |
| 作者单位： | 1. 东北电力大学建筑工程学院,吉林132012;大连理工大学海岸与近海工程国家重点实验室,辽宁大连116023 2. 贵州电力设计研究院,贵州贵阳,550002 3. 金华电业局,浙江金华,321016 4. 中铁二院重庆勘察设计研究院有限责任公司,重庆,400023 |
| 基金项目： | 国家自然科学基金项目，中国电机工程学会电力青年科技创新项目，吉林市杰出青年基金项目 |
| 摘 要： | 对输电铁塔进行损伤识别研究,可以提高其可靠性与安全性,避免重大事故的发生.将模态柔度差和模态柔度改变率引入到输电铁塔的损伤识别研究中,在单损伤和多损伤情况下,完成了某500kV输电铁塔的损伤位置识别.为了提高结构损伤识别的准确性,在铁塔损伤识别中引入多传感器数据融合技术,提出了基于数据融合的铁塔结构损伤识别方法,将模态柔度差、模态柔度改变率和模态曲率差3种损伤指标进行数据融合处理,融合后的铁塔损伤识别结果可以克服柔度指标在多损伤工况特征不明显和误判的情况,识别效果较单一指标得到了很大的改善. |
| 关 键 词： | 输电铁塔 损伤识别 模态柔度 模态曲率差 数据融合 |
Structural Damage Identification Based on Data Fusion for Large Power Transmission Tower |
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| LIU Chuncheng,ZHANG Wei,YANG Jie,HU Feng. Structural Damage Identification Based on Data Fusion for Large Power Transmission Tower[J]. Journal of Basic Science and Engineering, 2011, 19(6): 947-955. DOI: 10.3969/j.issn.1005-0930.2011.06.011 | |
| Authors: | LIU Chuncheng ZHANG Wei YANG Jie HU Feng |
| Affiliation: | LIU Chuncheng1,2,ZHANG Wei3,YANG Jie4,HU Feng5 (1.School of Civil and Architecture Engineering,Northeast Dianli University,Jilin 132012,China,2.State Key Lab of Coastal and Offshore Engineering,Dalian University of Technology,Dalian 116023,3.Guizhou Electric Power Design and Research Institute,Guiyang 550002,4.Jinhua Electric Power Bureau,Jinhua 321016,5.The Second China Railway Survey and Design Institute Co.Ltd,Chongqing 400023,China) |
| Abstract: | Study on damage identification of the transmission tower can improve the performance of reliability and security of tower and avoid the accidents occurrence.The modal flexibility difference and modal flexibility change rate were introduced into damage location identification of the 500kV transmission tower in the cases of the single and multiple damage.In order to increase the precision of structural damage identification,the multi-sensor data fusion technology was introduced into damage identification of t... |
| Keywords: | Power transmission tower damage identification modal flexibility modal curvature difference data fusion |
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