An offline approach for output-only Bayesian identification of stochastic nonlinear systems using unscented Kalman filtering

K Erazo, S Nagarajaiah - Journal of Sound and Vibration, 2017 - Elsevier
In this paper an offline approach for output-only Bayesian identification of stochastic
nonlinear systems is presented. The approach is based on a re-parameterization of the joint …

Bayesian system ID: optimal management of parameter, model, and measurement uncertainty

N Galioto, AA Gorodetsky - Nonlinear Dynamics, 2020 - Springer
Abstract System identification of dynamical systems is often posed as a least squares
minimization problem. The aim of these optimization problems is typically to learn either …

A generalized extended Kalman particle filter with unknown input for nonlinear system‐input identification under non‐Gaussian measurement noises

Y Lei, J Lai, J Huang, C Qi - Structural Control and Health …, 2022 - Wiley Online Library
It is necessary to investigate the identification of structural systems and unknown inputs
under non‐Gaussian measurement noises. In recent years, a few scholars have proposed …

What the collapse of the ensemble Kalman filter tells us about particle filters

M Morzfeld, D Hodyss, C Snyder - Tellus A: Dynamic Meteorology …, 2017 - Taylor & Francis
The ensemble Kalman filter (EnKF) is a reliable data assimilation tool for high-dimensional
meteorological problems. On the other hand, the EnKF can be interpreted as a particle filter …

An iterative augmented unscented Kalman filter for simultaneous state-parameter-input estimation for systems with/without direct feedthrough

T Yu, Z Wang, J Wang - Mechanical Systems and Signal Processing, 2023 - Elsevier
A few unscented Kalman filters (UKFs) have been developed for simultaneous state-
parameter-input estimation, however, these UKFs often have at least one of these …

State space model of undrained triaxial test data for Bayesian identification of constitutive model parameters

C Tang, ZJ Cao, Y Hong, W Li - Géotechnique, 2022 - icevirtuallibrary.com
Soil constitutive model parameters can be identified from triaxial test data. The identification
is frequently performed by fitting a constitutive model to triaxial test data from a purely …

Parameter estimation of stochastic fractional dynamic systems using nonlinear bayesian filtering system identification methods

K Erazo, A Di Matteo, P Spanos - Journal of Engineering Mechanics, 2024 - ascelibrary.org
This paper presents the application of nonlinear Bayesian filtering–based system
identification (SI) methods when employed to estimate the parameters of stochastic …

Identification of structural parameters and unknown inputs based on revised observation equation: approach and validation

J He, X Zhang, B Xu - International Journal of Structural Stability and …, 2019 - World Scientific
The identification of parameters of linear or nonlinear systems under unknown inputs and
limited outputs is an important but still challenging topic in the context of structural health …

A modified particle filter for parameter identification with unknown inputs

Z Wan, T Wang, S Li, Z Zhang - Structural Control and Health …, 2018 - Wiley Online Library
Particle filter (PF) is usually used for identifying structural parameters in nonlinear systems.
However, the traditional PF method requires that all the external excitations are available or …

Identification of a monitoring nonlinear oil damper using particle filtering approach

Y Tong, L Xie, S Xue, H Tang - Mechanical Systems and Signal Processing, 2023 - Elsevier
Oil dampers have been used in recent years for passive structural control and shock
mitigation in dynamic structural systems. However, machining technical and economic …