The unscented Kalman filter and particle filter methods for nonlinear structural system identification with non‐collocated heterogeneous sensing

EN Chatzi, AW Smyth - … Monitoring: The Official Journal of the …, 2009 - Wiley Online Library
The use of heterogeneous, non‐collocated measurements for nonlinear structural system
identification is explored herein. In particular, this paper considers the example of sensor …

Dynamic strain estimation for fatigue assessment of an offshore monopile wind turbine using filtering and modal expansion algorithms

K Maes, A Iliopoulos, W Weijtjens, C Devriendt… - … Systems and Signal …, 2016 - Elsevier
Offshore wind turbines are exposed to continuous wind and wave excitation. The monitoring
of high periodic strains at critical locations is important to assess the remaining lifetime of the …

Quantification, localization, and reconstruction of impact force on interval composite structures

Y Liu, L Wang - International Journal of Mechanical Sciences, 2023 - Elsevier
Impact force identification has been intensively studied owing to its profound effects on
health monitoring and safety assessment. This study investigates a novel uncertainty …

A new Kalman filter approach for structural parameter tracking: Application to the monitoring of damaging structures tested on shaking-tables

M Diaz, PÉ Charbonnel, L Chamoin - Mechanical Systems and Signal …, 2023 - Elsevier
In this paper, a new data assimilation framework for correcting finite element models from
datasets acquired on-the-fly in low-frequency dynamics is presented. An Unscented Kalman …

Experimental validation of the Kalman-type filters for online and real-time state and input estimation

SE Azam, E Chatzi, C Papadimitriou… - Journal of vibration …, 2017 - journals.sagepub.com
In this study, a novel dual implementation of the Kalman filter proposed by Eftekhar Azam et
al.(2014, 2015) is experimentally validated for simultaneous estimation of the states and …

Developments of inverse analysis by Kalman filters and Bayesian methods applied to geotechnical engineering

A Murakami, K Fujisawa, T Shuku - … of the Japan Academy, Series B, 2023 - jstage.jst.go.jp
The present paper reviews recent activities on inverse analysis strategies in geotechnical
engineering using Kalman filters, nonlinear Kalman filters, and Markov chain Monte Carlo …

Experimental application of on-line parametric identification for nonlinear hysteretic systems with model uncertainty

EN Chatzi, AW Smyth, SF Masri - Structural Safety, 2010 - Elsevier
This study presents a methodology for the on-line identification of nonlinear hysteretic
systems where not only the parameters of the system are unknown but also the nature of the …

Unscented Kalman filtering for nonlinear structural dynamics

S Mariani, A Ghisi - Nonlinear Dynamics, 2007 - Springer
Joint estimation of unknown model parameters and unobserved state components for
stochastic, nonlinear dynamic systems is customarily pursued via the extended Kalman filter …

mCRE-based parameter identification from full-field measurements: Consistent framework, integrated version, and extension to nonlinear material behaviors

HN Nguyen, L Chamoin, CH Minh - Computer Methods in Applied …, 2022 - Elsevier
In this paper, we address the effective and robust identification of material behavior
parameters from full-field measurements obtained by means of the advanced Digital Image …

An experimental validation of time domain system identification methods with fusion of heterogeneous data

MN Chatzis, EN Chatzi… - Earthquake Engineering & …, 2015 - Wiley Online Library
Recent events of significant seismic activity (L'Aquila 2009, Christchurch 2011), have
highlighted the importance of accurately assessing the properties of structures, for …