[HTML][HTML] A Bayesian approach for condition assessment and damage alarm of bridge expansion joints using long-term structural health monitoring data

YQ Ni, YW Wang, C Zhang - Engineering Structures, 2020 - Elsevier
Premature failure of bridge expansion joints has been increasingly observed in recent years,
and nowadays it becomes a major concern of bridge owners. A better understanding of their …

Development of a two-phase adaptive MCMC method for efficient Bayesian model updating of complex dynamic systems

JH Yang, HF Lam, YH An - Engineering Structures, 2022 - Elsevier
The fundamental problem of Bayesian model updating is identifying the posterior probability
density function (PDF) of uncertain model parameters. Markov chain Monte Carlo (MCMC) …

Practical model updating of the Ting Kau Bridge through the MCMC-based Bayesian algorithm utilizing measured modal parameters

C Fang, HJ Liu, HF Lam, MO Adeagbo, HY Peng - Engineering Structures, 2022 - Elsevier
Bayesian model updating framework provides a reliable method for building high-fidelity
finite element models (FEMs). To realize the efficient model updating of large-scale civil …

Hierarchical Bayesian operational modal analysis: Theory and computations

O Sedehi, LS Katafygiotis, C Papadimitriou - Mechanical Systems and …, 2020 - Elsevier
This paper presents a hierarchical Bayesian modeling framework for the uncertainty
quantification in modal identification of linear dynamical systems using multiple vibration …

Fast operational modal analysis of a single-tower cable-stayed bridge by a Bayesian method

YC Ni, MM Alamdari, XW Ye, FL Zhang - Measurement, 2021 - Elsevier
Cable-stayed bridges are popular bridge designs and have been widely used all around the
world. To investigate the dynamic properties of cable-stayed bridges, many structural health …

A Markov chain Monte Carlo-based Bayesian framework for system identification and uncertainty estimation of full-scale structures

ZY Liu, JH Yang, HF Lam, LX Peng - Engineering Structures, 2023 - Elsevier
Identifying modal parameters and updating finite element models (FEMs) of real structures
through ambient tests is essential in Structural Health Monitoring (SHM). However, efficiently …

Assessing uncertainty in fast Bayesian modal identification based on seismic structural responses

YC Ni, HF Lam, FL Zhang - Mechanical Systems and Signal Processing, 2023 - Elsevier
Modal identification is an important step to evaluate the basic modal properties of structures
using measured data. In this process, the existence of modeling error and measurement …

[HTML][HTML] Analysis of Vibration Characteristics of Electro-hydraulic Driven 3-UPS/S Parallel Stabilization Platform

X Yuan, W Wang, H Pang, L Zhang - Chinese Journal of Mechanical …, 2024 - Springer
With the development of fluid-power transmission and control technology, electro-hydraulic-
driven technology can significantly improve the load-carrying capacity, stiffness, and control …

Accelerating convergence in Bayesian operational modal analysis with Fisher information matrix

Z Zhu, SK Au, B Li - Mechanical Systems and Signal Processing, 2023 - Elsevier
Bayesian operational modal analysis (BAYOMA) has been increasingly applied to ambient
vibration tests, providing a fundamental means for estimating modal properties as well as …

基于多链竞争差分进化算法的无砟轨道结构有限元模型修正

叶玲, 江宏康, 陈华鹏, 冯宇轩, 王力骋 - 交通运输工程学报, 2024 - transport.chd.edu.cn
为获得更接近真实情况的轨道结构模型, 提出了一种基于多链竞争差分进化算法的无砟轨道结构
有限元模型修正方法; 以频率振型模态为响应建立了适用于无砟轨道结构的目标函数和似然函数 …