Sensor selection and state estimation for unobservable and non-linear system models

T Devos, M Kirchner, J Croes, W Desmet, F Naets - Sensors, 2021 - mdpi.com
To comply with the increasing complexity of new mechatronic systems and stricter safety
regulations, advanced estimation algorithms are currently undergoing a transformation …

On the convergence of the unscented Kalman filter

A Daid, E Busvelle, M Aidene - European journal of control, 2021 - Elsevier
A convergence analysis of the modified unscented Kalman filter (UKF), used as an observer
for a class of nonlinear deterministic continuous time systems, is presented. Under certain …

Taylor moment expansion for continuous-discrete Gaussian filtering

Z Zhao, T Karvonen, R Hostettler… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
This article is concerned with Gaussian filtering in nonlinear continuous-discrete state-space
models. We propose a novel Taylor moment expansion (TME) Gaussian filter, which …

Probabilistic estimation of instantaneous frequencies of chirp signals

Z Zhao, S Särkkä, J Sjölund… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
We present a continuous-time probabilistic approach for estimating the chirp signal and its
instantaneous frequency function when the true forms of these functions are not accessible …

Unscented Kalman-filter to manage the handling-comfort trade-off of quarter-of-vehicle

A Muhammed, A Gavrilov I - Transactions of the Institute of …, 2022 - journals.sagepub.com
This paper investigates managing the comfort-handling trade-off of a quarter car suspension
system using a Kalman filter. Using the unscented Kalman filter, the adapted feedback input …

Improved calibration of numerical integration error in sigma-point filters

J Prüher, T Karvonen, CJ Oates… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
The sigma-point filters, such as the unscented Kalman filter, are popular alternatives to the
ubiquitous extended Kalman filter. The classical quadrature rules used in the sigma-point …

Uncertainty quantification for the extended and the deterministic-gain Kalman filters

S Wei, JC Spall - 2022 American Control Conference (ACC), 2022 - ieeexplore.ieee.org
This paper is aimed at characterizing the mean square error and probabilistic uncertainty of
a popular class of filtering algorithms in nonlinear systems. The state estimation error of the …

Quantifying the Estimation Error for a Constant-Gain Tracker

S Wei, JC Spall - 2023 American Control Conference (ACC), 2023 - ieeexplore.ieee.org
We present a new method of calculating approximate probabilistic bounds for the state
estimation error of a constant-gain Kalman filter in nonlinear multivariate systems. A critical …

Non-linear Gaussian smoothing with Taylor moment expansion

Z Zhao, S Särkkä - IEEE Signal Processing Letters, 2021 - ieeexplore.ieee.org
This letter is concerned with solvingcontinuous-discrete Gaussian smoothing problems by
using the Taylor moment expansion (TME) scheme. In the proposed smoothing method, we …

Detectability Conditions and State Estimation for Linear Time-Varying and Nonlinear Systems

M Tranninger, R Seeber, M Steinberger, M Horn… - SIAM Journal on Control …, 2022 - SIAM
This work proposes a detectability condition for linear time-varying systems based on the
exponential dichotomy spectrum. The condition guarantees the existence of an observer …