Sequential Bayesian inference for uncertain nonlinear dynamic systems: a tutorial

KE Tatsis, VK Dertimanis, EN Chatzi - arXiv preprint arXiv:2201.08180, 2022 - arxiv.org
In this article, an overview of Bayesian methods for sequential simulation from posterior
distributions of nonlinear and non-Gaussian dynamic systems is presented. The focus is …

An unscented Kalman filter method for real time input-parameter-state estimation

M Impraimakis, AW Smyth - Mechanical Systems and Signal Processing, 2022 - Elsevier
The input-parameter-state estimation capabilities of a novel unscented Kalman filter is
examined herein on both linear and nonlinear systems. The unknown input is estimated in …

Physics-informed machine learning for structural health monitoring

EJ Cross, SJ Gibson, MR Jones, DJ Pitchforth… - … Health Monitoring Based …, 2022 - Springer
The use of machine learning in structural health monitoring is becoming more common, as
many of the inherent tasks (such as regression and classification) in developing condition …

[HTML][HTML] A hierarchical output-only Bayesian approach for online vibration-based crack detection using parametric reduced-order models

KE Tatsis, K Agathos, EN Chatzi… - Mechanical Systems and …, 2022 - Elsevier
This contribution presents a hierarchical Bayesian filter for recursive input, state and
parameter estimation using spatially incomplete and noisy output-only vibration …

On the application of Gaussian process latent force models for joint input-state-parameter estimation: With a view to Bayesian operational identification

TJ Rogers, K Worden, EJ Cross - Mechanical Systems and Signal …, 2020 - Elsevier
The problem of identifying dynamic structural systems is of key interest to modern
engineering practice and is often a first step in an analysis chain, such as validation of …

A linear Bayesian filter for input and state estimation of structural systems

M Ebrahimzadeh Hassanabadi, Z Liu… - … ‐Aided Civil and …, 2023 - Wiley Online Library
This paper proposes a linear recursive Bayesian filter for minimum variance unbiased joint
input and state estimation of structural systems. Unlike the augmented Kalman filter (AKF) …

Input-state-parameter-noise identification and virtual sensing in dynamical systems: A Bayesian expectation-maximization (BEM) perspective

D Teymouri, O Sedehi, LS Katafygiotis… - … Systems and Signal …, 2023 - Elsevier
Structural identification and damage detection can be generalized as the simultaneous
estimation of input forces, physical parameters, and dynamical states. Although Kalman-type …

Monopile foundation stiffness estimation of an instrumented offshore wind turbine through model updating

RA McAdam, MN Chatzis, M Kuleli… - … Control and Health …, 2023 - Wiley Online Library
Rapid development of offshore wind foundation models has resulted in a large number of
built structures with generally underestimated foundation stiffness properties and a need to …

Auto-regressive model based input and parameter estimation for nonlinear finite element models

J Castiglione, R Astroza, SE Azam, D Linzell - Mechanical Systems and …, 2020 - Elsevier
A novel framework to accurately estimate nonlinear structural model parameters and
unknown external inputs (ie, loads) using sparse sensor networks is proposed and …

Deep recurrent-convolutional neural network learning and physics Kalman filtering comparison in dynamic load identification

M Impraimakis - Structural Health Monitoring, 2024 - journals.sagepub.com
The dynamic structural load identification capabilities of the gated recurrent unit, long short-
term memory, and convolutional neural networks are examined herein. The examination is …