Autodifferentiable ensemble Kalman filters

Y Chen, D Sanz-Alonso, R Willett - SIAM Journal on Mathematics of Data …, 2022 - SIAM
Data assimilation is concerned with sequentially estimating a temporally evolving state. This
task, which arises in a wide range of scientific and engineering applications, is particularly …

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 …

Reduced-order autodifferentiable ensemble Kalman filters

Y Chen, D Sanz-Alonso, R Willett - Inverse Problems, 2023 - iopscience.iop.org
This paper introduces a computational framework to reconstruct and forecast a partially
observed state that evolves according to an unknown or expensive-to-simulate dynamical …

Multi-sensor environmental perception and adaptive cruise control of intelligent vehicles using kalman filter

P Wei, Y Zeng, W Ouyang… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
This work aims to analyze the specific application of sensor environment perception based
on the Kalman filter algorithm in intelligent vehicles. Hence, this work proposes a design for …

Ensemble Kalman inversion approximate Bayesian computation

RG Everitt - arxiv preprint arxiv:2407.18721, 2024 - arxiv.org
Approximate Bayesian computation (ABC) is the most popular approach to inferring
parameters in the case where the data model is specified in the form of a simulator. It is not …

A Bayesian Structural Modal Updating Method Based on Sparse Grid and Ensemble Kalman Filter

G Lin, Y Zhang, E Cai, M Luo… - Structural Control and …, 2024 - Wiley Online Library
This study presents a sparse grid interpolation and ensemble Kalman filter (EnKF)‐based
Markov Chain Monte Carlo (MCMC) method (SG‐EnMCMC). Initiating with the formulation of …

Sequential Kalman tuning of the t-preconditioned Crank-Nicolson algorithm: efficient, adaptive and gradient-free inference for Bayesian inverse problems

RDP Grumitt, M Karamanis, U Seljak - Inverse Problems, 2024 - iopscience.iop.org
Abstract Ensemble Kalman Inversion (EKI) has been proposed as an efficient method for the
approximate solution of Bayesian inverse problems with expensive forward models …

Log-normalization constant estimation using the ensemble Kalman–Bucy filter with application to high-dimensional models

D Crisan, P Del Moral, A Jasra… - Advances in Applied …, 2022 - cambridge.org
In this article we consider the estimation of the log-normalization constant associated to a
class of continuous-time filtering models. In particular, we consider ensemble Kalman–Bucy …

Supermodeling: the next level of abstraction in the use of data assimilation

M Sendera, GS Duane, W Dzwinel - … , The Netherlands, June 3–5, 2020 …, 2020 - Springer
Data assimilation (DA) is a key procedure that synchronizes a computer model with real
observations. However, in the case of overparametrized complex systems modeling, the task …

Bayesian identification of nonseparable hamiltonian systems using stochastic dynamic models

H Sharma, N Galioto, AA Gorodetsky… - 2022 IEEE 61st …, 2022 - ieeexplore.ieee.org
This paper proposes a probabilistic Bayesian formulation for system identification (ID) and
estimation of nonseparable Hamiltonian systems using stochastic dynamic models …