Output-only modal parameter estimation of time-varying structures based on the support vector machine and vector time-dependent autoregressive models

被引：0
|
作者：
Zhou, S. -D. [1 ,2 ]
Cao, B. -Y. [1 ]
Yu, L. [1 ]
Liu, L. [1 ,2 ]
机构：
[1] Beijing Inst Technol, Sch Aerosp Engn, Zhongguancun South St 5,Qiushi Bldg 314, Beijing 100081, Peoples R China
[2] Minist Educ, Key Lab Dynam & Control Flight Vehicle, Beijing 100081, Peoples R China
来源：
PROCEEDINGS OF ISMA2016 INTERNATIONAL CONFERENCE ON NOISE AND VIBRATION ENGINEERING AND USD2016 INTERNATIONAL CONFERENCE ON UNCERTAINTY IN STRUCTURAL DYNAMICS | 2016年
基金：
中国国家自然科学基金;
关键词：
DOMAIN METHODS; IDENTIFICATION;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
This paper proposes a method of output-only modal identification of TV structures via combining the SVM and vector time-dependent autoregressive (VTAR) models for the cases of multiple outputs. Firstly, the formulation of the SVM-based modal estimator for the parameters of VTAR models is derived. Secondly, the bounded quadratic programming (QP) solution of SVM is introduced. Thirdly, the transformation from the estimated parameters to the modal parameters are presented. Finally, the proposed method a series numerical examples validate the proposed method.
引用
收藏
页码：2885 / 2894
页数：10
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