A descriptor system approach for estimation of incipient faults with application to high-speed railway traction devices

Y Wu, B Jiang, N Lu - IEEE Transactions on Systems, Man, and …, 2017 - ieeexplore.ieee.org
In this paper, a novel descriptor estimator-based incipient fault estimation scheme is
designed for Lipschitz nonlinear descriptor systems with process disturbances and …

A sliding mode observer for robust fault reconstruction in a class of nonlinear non-infinitely observable descriptor systems

JCL Chan, TH Lee, CP Tan - Nonlinear Dynamics, 2020 - Springer
This paper presents a sliding mode observer (SMO) for robustly reconstructing faults
affecting a class of nonlinear non-infinitely observable descriptor systems. Preliminary …

H-infinity stabilization for singular networked cascade control systems with state delay and disturbance

Z Du, D Yue, S Hu - IEEE Transactions on Industrial Informatics, 2013 - ieeexplore.ieee.org
This paper is concerned with the stabilization and H_∞ control problems for a class of
singular networked cascade control systems with state delay and disturbance. Via the fact …

On sliding mode observers for non-infinitely observable descriptor systems

J Zhang, CP Tan, G Zheng, Y Wang - Automatica, 2023 - Elsevier
This paper presents a sliding mode observer (SMO) design method to estimate the states
and unknown inputs (UIs) in a class of non-infinitely observable (NIO) descriptor systems …

[HTML][HTML] On existence, optimality and asymptotic stability of the Kalman filter with partially observed inputs

J Su, B Li, WH Chen - Automatica, 2015 - Elsevier
For linear stochastic time-varying systems, we investigate the properties of the Kalman filter
with partially observed inputs. We first establish the existence condition of a general linear …

Interval observer for a class of uncertain nonlinear singular systems

G Zheng, D Efimov, FJ Bejarano, W Perruquetti… - Automatica, 2016 - Elsevier
This paper investigates the problem of observer design for a general class of linear singular
time-delay systems, in which the time delays are involved in the state, the output and the …

[LIBRO][B] Observer design for nonlinear dynamical systems

D Boutat, G Zheng - 2021 - Springer
For engineers, there is always a need to know the states of the studied system to make
important decisions to control the system or to reliably predict its future state. A simple and …

A nonlinear Luenberger-like observer for nonlinear singular systems

G Zheng, D Boutat, H Wang - Automatica, 2017 - Elsevier
This paper investigates observer design problem for a large class of nonlinear singular
systems with multiple outputs. We first regularize the singular system by injecting the …

Prescribed-time observer for descriptor systems with unknown input

J Zhang, Y Song, G Zheng - Automatica, 2025 - Elsevier
This paper investigates the problem of simultaneous state and unknown input
estimation/observation within a prescribed time for a class of descriptor systems with …

Robust H∞ adaptive descriptor observer design for fault estimation of uncertain nonlinear systems

J Zhang, AK Swain, SK Nguang - Journal of the Franklin Institute, 2014 - Elsevier
This paper proposes a novel fault estimation observer for both nonlinear descriptor and
normal systems, which are subjected simultaneously to actuator faults, sensor faults and …