A dual Kalman filter approach for state estimation via output-only acceleration measurements

SE Azam, E Chatzi, C Papadimitriou - Mechanical systems and signal …, 2015 - Elsevier
A dual implementation of the Kalman filter is proposed for estimating the unknown input and
states of a linear state-space model by using sparse noisy acceleration measurements. The …

Adaptive Kalman filters for nonlinear finite element model updating

M Song, R Astroza, H Ebrahimian, B Moaveni… - … Systems and Signal …, 2020 - Elsevier
This paper presents two adaptive Kalman filters (KFs) for nonlinear model updating where,
in addition to nonlinear model parameters, the covariance matrix of measurement noise is …

Joint parameter-input estimation for digital twinning of the Block Island wind turbine using output-only measurements

M Song, B Moaveni, H Ebrahimian, E Hines… - Mechanical Systems and …, 2023 - Elsevier
This paper presents a recursive Bayesian inference framework for digital twinning of an
offshore wind turbine (OWT) in the Block Island Wind Farm (BIWF), the first commercial …

Input-state-parameter estimation of structural systems from limited output information

VK Dertimanis, EN Chatzi, SE Azam… - Mechanical Systems and …, 2019 - Elsevier
A successive Bayesian filtering framework for addressing the joint input-state-parameter
estimation problem is proposed in this study. Following the notion of analytical, rather than …

Extended Kalman filter for material parameter estimation in nonlinear structural finite element models using direct differentiation method

H Ebrahimian, R Astroza… - Earthquake Engineering & …, 2015 - Wiley Online Library
This paper presents a novel nonlinear finite element (FE) model updating framework, in
which advanced nonlinear structural FE modeling and analysis techniques are used jointly …

Cost–benefit optimization of structural health monitoring sensor networks

G Capellari, E Chatzi, S Mariani - Sensors, 2018 - mdpi.com
Structural health monitoring (SHM) allows the acquisition of information on the structural
integrity of any mechanical system by processing data, measured through a set of sensors …

Performance comparison of Kalman− based filters for nonlinear structural finite element model updating

R Astroza, H Ebrahimian, JP Conte - Journal of Sound and Vibration, 2019 - Elsevier
Finite element (FE) model updating has emerged as a powerful technique for structural
health monitoring and damage identification of civil structures. Updating mechanics-based …

Online damage detection in structural systems via dynamic inverse analysis: A recursive Bayesian approach

SE Azam, S Mariani - Engineering Structures, 2018 - Elsevier
In this paper, a framework is presented for the joint state tracking and parameter estimation
of partially observed structural systems characterized by a relatively large number of …

Real-time simultaneous input-state-parameter estimation with modulated colored noise excitation

K Huang, KV Yuen, L Wang - Mechanical Systems and Signal Processing, 2022 - Elsevier
This paper introduces a novel method for real-time simultaneous input-state-parameter
estimation with modulated colored noise excitation. In this method, the unknown inputs are …

A systematic PLS-SEM approach on assessment of indigenous knowledge in adapting to floods; A way forward to sustainable agriculture

MT Sohail, S Chen - Frontiers in Plant Science, 2022 - frontiersin.org
The present study was conducted in one of the major agriculture areas to check farmers
indigenous knowledge about the impacts of floods on their farming lives, food security …