Seismic FDD modal identification and monitoring of building properties from real strong‐motion structural response signals

F Pioldi, R Ferrari, E Rizzi - Structural Control and Health …, 2017 - Wiley Online Library
In the present study, output‐only modal dynamic identification and monitoring of building
properties is attempted successfully by processing real earthquake‐induced structural …

Monitoring of the UHPFRC strengthened Chillon viaduct under environmental and operational variability

H Martín-Sanz, K Tatsis, VK Dertimanis… - Structure and …, 2020 - Taylor & Francis
Constructed in 1969, the Chillon viaducts constitute a vital component of the Swiss roadway
network. The bridge deck was strengthened in 2015 by means of an Ultra High Performance …

[PDF][PDF] Research progress on time-domain modal parameter estimation methods for linear time-varying structures

马志赛, 丁千, 刘莉, 周思达 - Journal of Mechanical Engineering, 2018 - qikan.cmes.org
With the development of engineering applications, more and more time-varying structures
are being used and their intrinsic time-varying characteristics are increasingly inevitable …

Operational modal analysis of a liquid-filled cylindrical structure with decreasing filling mass by multivariate stochastic parameter evolution methods

ZS Ma, Q Ding, Y Tang - International Journal of Mechanical Sciences, 2020 - Elsevier
Variable mass structures exhibit non-stationary characteristics and the corresponding time-
varying (TV) dynamics are difficult to represent by explicit dynamic equations or finite …

[PDF][PDF] 线性时变结构模态参数时域辨识方法的研究进展

马志赛, 丁千, 刘莉, 周思达 - 机械工程学报, 2018 - qikan.cmes.org
随着工程领域的不断拓展, 越来越多具有显著时变特性的工程结构进入应用,
时变结构动力学问题日渐凸显. 从反问题的角度出发, 介绍了时变结构动力学问题的研究背景与 …

A maximum correntropy criterion based recursive method for output-only modal identification of time-varying structures under non-Gaussian impulsive noise

L Yu, L Liu, Z Yue, J Kang - Journal of Sound and Vibration, 2019 - Elsevier
This work considers the problem of output-only identification for time-varying structures in a
recursive manner under non-Gaussian impulsive noise. Presently, the most existing …

In-operation wind turbine modal analysis via LPV-VAR modeling

LD Avendaño-Valencia, EN Chatzi… - … Machinery, Hybrid Test …, 2017 - Springer
This work deals with the identification of non-stationary/time-dependent dynamics based on
vector measurements by means of postulated Linear Parameter Varying Vector …

[PDF][PDF] Markov Chain Monte Carlo estimation of non-stationary GSC-TARMA models: application to random vibration modelling and analysis for an operating wind …

LD Avendaño-Valencia, SD Fassois - Proceedings of the …, 2016 - researchgate.net
Abstract Generalized Stochastic Constraint Time-dependent ARMA (GSC–TARMA) models
utilize stochastic representations for the time–evolution of their parameters and constitute …

[PDF][PDF] 基于多维振动响应GSC-TARMA 模型的时变结构模态参数辨识

余磊, 刘莉, 马志赛, 康杰 - 机械工程学报, 2019 - qikan.cmes.org
针对多维振动响应测量信号下的仅输出时变结构模态参数辨识问题, 基于广义随机约束时变自
回归滑动平均模型(Generalized stochastic constraints time-dependent auto-regressive …

Decoupled estimation of the parameters and hyperparameters of generalized stochastic constraint TARMA models

LD Avendaño-Valencia… - 2014 6th International …, 2014 - ieeexplore.ieee.org
Time-dependent ARMA models are a preferred tool the identification of systems with non-
stationary characteristics. In order to improve the tracking abilities of the model, the evolution …