Interval observer design for uncertain discrete-time linear systems

Z Wang, CC Lim, Y Shen - Systems & Control Letters, 2018 - Elsevier
This paper proposes a novel interval observer design method for discrete-time linear
systems with unknown but bounded disturbance and measurement noise. The proposed …

Set-membership approach and Kalman observer based on zonotopes for discrete-time descriptor systems

Y Wang, V Puig, G Cembrano - Automatica, 2018 - Elsevier
This paper proposes a set-membership state estimator and a zonotopic Kalman observer for
discrete-time descriptor systems. Both approaches are developed in a set-based context …

Fault detection and isolation for discrete-time descriptor systems based on H/L observer and zonotopic residual evaluation

W Tang, Z Wang, Y Shen - International Journal of Control, 2020 - Taylor & Francis
This paper investigates actuator fault detection and isolation for discrete-time linear
descriptor systems. We propose a novel fault detection and isolation scheme based on a …

Zonotoptic fault estimation for discrete-time LPV systems with bounded parametric uncertainty

M Zhou, Z Cao, MC Zhou, J Wang… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
This paper presents a novel interval fault estimation approach by using zonotope technique
for discrete-time linear parameter-varying systems in the presence of bounded parametric …

Reachability analysis for linear discrete-time systems under stealthy cyber attacks

H Liu, B Niu, J Qin - IEEE Transactions on Automatic Control, 2021 - ieeexplore.ieee.org
In this article, the reachability analysis is investigated for the linear discrete-time systems in
the presence of malicious cyber attacks. Moreover, the system disturbance and …

Zonotopic fault detection observer for linear parameter‐varying descriptor systems

J Li, Z Wang, Y Shen… - International Journal of …, 2019 - Wiley Online Library
This paper studies zonotopic fault detection observer design for a class of linear parameter‐
varying descriptor systems. The disturbance and measurement noise are unknown but can …

Robust fault detection and isolation based on zonotopic unknown input observers for discrete-time descriptor systems

Y Wang, V Puig, F Xu, G Cembrano - Journal of the Franklin Institute, 2019 - Elsevier
In this paper, we propose a robust fault detection and isolation (FDI) strategy based on
zonotopic unknown input observers (UIOs) for discrete-time descriptor linear time-varying …

Observer gain optimization for minimization of minimal robust positively invariant set and invariant set-based fault detection

F Xu, S Olaru, MM Seron - Automatica, 2024 - Elsevier
This paper designs observer gains to optimize the minimal robust positively invariant set and
uses this set for robust fault detection. First, the sizes of the minimal robust positively …

Active fault isolation: A duality-based approach via convex programming

F Blanchini, D Casagrande, G Giordano, S Miani… - SIAM Journal on Control …, 2017 - SIAM
This paper presents the mathematical conditions and the associated design methodology of
an active fault diagnosis technique for continuous-time linear systems. Given a set of faults …

Enhanced multiscale principal component analysis for improved sensor fault detection and isolation

B Malluhi, H Nounou, M Nounou - Sensors, 2022 - mdpi.com
Multiscale PCA (MSPCA) is a well-established fault-detection and isolation (FDI) technique.
It utilizes wavelet analysis and PCA to extract important features from process data. This …