High-rise structure damage identification based on pseudo-transfer function

doi:10.16450/j.cnki.issn.1004-6801.2015.01.010

CORC > 兰州理工大学 > 兰州理工大学 > 土木工程学院

	High-rise structure damage identification based on pseudo-transfer function
	Li, Wanrun 1,2,3; Du, Yongfeng 2,3; Ni, Yiqing 1; Li, Hui 2,3
刊名	Zhendong Ceshi Yu Zhenduan/Journal of Vibration, Measurement and Diagnosis
	2015-02-01
卷号	35 期号:1 页码:63-69
关键词	Degrees of freedom (mechanics) Structures (built objects) Transfer functions White noise Auto regressive models Damage Identification Fit ratio High rise structures Transform function
ISSN号	10046801
DOI	10.16450/j.cnki.issn.1004-6801.2015.01.010
英文摘要	A novel damage location method, which is based on the pseudo-transfer function (PTF) established by the ARX model (autoregressive model with eXogenous input), is proposed based on the conception of the transform function reflected the relationship of the input-output (structural characteristics). According to the correlation with the degree of freedom (DOF), the DOF is grouped, the response of one DOF is chosen as a reference channel (which is the ARX model output), and the response of the other DOF correlating with the reference channel is taken as the input of the ARX model. The reference PTF is established using the responses of the health structure. After creating the reference PTF, these models are used to predict the data from the damaged structure. The difference between the fit ratios is used as the damage feature. The methodology is applied to the reduced finite element model of the Canton Tower, and the threshold of damage is established using the change of the fit ratios of the responses with Gaussian white noise of the health structure. The results show that this methodology is successful in damage identification and localization, and can also determine the severity of damage under noise effects. ©, 2015, Nanjing University of Aeronautics an Astronautics. All right reserved.
语种	中文
出版者	Nanjing University of Aeronautics an Astronautics
内容类型	期刊论文
源URL	[http://ir.lut.edu.cn/handle/2XXMBERH/113125]
专题	土木工程学院
作者单位	1.Shenzhen Research Institute of Hong Kong Polytechnic University, Shenzhen; 518057, Hong Kong 2.Key Laboratory of Disaster Prevention and Mitigation in Civil Engineering of Gansu Province, Lanzhou University of Technology, Lanzhou; 730050, China; 3.Institute of Earthquake Protection and Disaster Mitigation, Lanzhou University of Technology, Lanzhou; 730050, China;
推荐引用方式 GB/T 7714	Li, Wanrun,Du, Yongfeng,Ni, Yiqing,et al. High-rise structure damage identification based on pseudo-transfer function[J]. Zhendong Ceshi Yu Zhenduan/Journal of Vibration, Measurement and Diagnosis,2015,35(1):63-69.
APA	Li, Wanrun,Du, Yongfeng,Ni, Yiqing,&Li, Hui.(2015).High-rise structure damage identification based on pseudo-transfer function.Zhendong Ceshi Yu Zhenduan/Journal of Vibration, Measurement and Diagnosis,35(1),63-69.
MLA	Li, Wanrun,et al."High-rise structure damage identification based on pseudo-transfer function".Zhendong Ceshi Yu Zhenduan/Journal of Vibration, Measurement and Diagnosis 35.1(2015):63-69.