河南水利与南水北调2024，Vol.53Issue(11)：11-13,3.
基于响应倒谱域特征的水电站厂房结构损伤评估
Damage Assessment of Hydropower Plant Structures Based on Response Cepstrum Domain Characteristics
摘要
Abstract
Data-driven modeling methods have been widely used in the field of safety monitoring for hydraulic structures;however,they still face several challenges,including interference from vibration response noise,insufficient model generalization capabilities,and overfitting issues.To address the problem of vibration damage in large hydropower station's powerhouse structures,this paper proposes a novel method based on response cepstral domain features.By analyzing the cepstral coefficients of vibration responses and applying principal component analysis,the method effectively captures the dynamic characteristics of structural vibrations while reducing interference from noise and loads,enabling accurate identification and quantification of structural damage.关键词
结构振动损伤/响应倒谱特征/主成分分析/异常检测Key words
structural vibration damage/response features in quefrency domain/principal component analysis/anomaly detection分类
建筑与水利引用本文复制引用
赵玉宏,李乐晨,杨志超..基于响应倒谱域特征的水电站厂房结构损伤评估[J].河南水利与南水北调,2024,53(11):11-13,3.基金项目
国家中央高校基本科研业务费专项资金资助项目(B240201069) （B240201069）
河南省财政厅资金资助项目(824013516). （824013516）
