Sliding mode observer based fault identification in automatic vision system of robot

O Sergiyenko, V Tyrsa, A Zhirabok, A Zuev - Control Engineering Practice, 2023 - Elsevier
It is analyzed the possibility to apply sliding mode observers for fault identification and
consecutively the improvement of Technical Vision System (TVS) functioning in the tasks of …

Actuator fault estimation based on a proportional-integral observer with nonquadratic Lyapunov functions

J Guzman, FR López-Estrada… - … Journal of Systems …, 2021 - Taylor & Francis
This work proposes a proportional-integral fault estimation observer for nonlinear systems
by means of convex structures. Unlike the traditional approaches that consider quadratic …

Distributed detection and isolation of false data injection attacks in smart grids via nonlinear unknown input observers

X Wang, X Luo, M Zhang, X Guan - … Journal of Electrical Power & Energy …, 2019 - Elsevier
In this paper, a distributed detection and isolation scheme against False Data Injection
attacks FDIAs in smart grids is studied. Taking the stealthy characteristics of FDIAs into …

Actuator fault detection for uncertain systems based on the combination of the interval observer and asymptotical reduced-order observer

X Zhang, F Zhu, S Guo - International Journal of Control, 2020 - Taylor & Francis
This paper investigates the problems of the residual-based actuator fault detection based on
observer design for a class of uncertain linear systems. First, a reduced-order observer …

Neural network-based event-triggered fault detection for nonlinear Markov jump system with frequency specifications

QD Liu, Y Long, JH Park, T Li - Nonlinear Dynamics, 2021 - Springer
In this paper, a neural network-based event-triggered fault detection scheme is addressed
within the finite-frequency domain for a class of nonlinear Markov jump system. Initially, an …

Sensor fault diagnosis based on a sliding mode and unknown input observer for Takagi‐Sugeno systems with uncertain premise variables

S Gómez‐Peñate, G Valencia‐Palomo… - Asian Journal of …, 2019 - Wiley Online Library
This paper presents the design of a sliding mode and an unknown input observer for Takagi‐
Sugeno (TS) systems. Contrary to the common approaches reported in the literature, which …

Fault diagnosis in linear systems via sliding mode observers

AN Zhirabok, AE Shumsky, AV Zuev - International journal of …, 2021 - Taylor & Francis
The problem of fault diagnosis in technical systems described by linear dynamic models is
considered. The approach allowing increase robustness of the diagnostic process under …

A survey on fault detection and diagnosis methods

KFÁ Okada, AS de Morais… - 2021 14th IEEE …, 2021 - ieeexplore.ieee.org
Fault detection and diagnosis in modern control systems have been of constant interest in
recent publications. Its progress is a consequence of the requirements imposed by the …

H-/L∞ fault detection observer design for linear parameter-varying systems

Z Wang, CC Lim, P Shi, Y Shen - IFAC-PapersOnLine, 2017 - Elsevier
We propose an H-/L∞ fault detection observer for linear parameter varying systems with
unknown disturbance and actuator fault. The fault detection observer is designed to …

Fault diagnosis and accommodation for multi-actuator faults of a fixed-wing unmanned aerial vehicle

Z Liu, L Wang, Y Song, Q Dang… - Measurement Science and …, 2022 - iopscience.iop.org
This study proposes a system design scheme of fault detection, isolation, and
accommodation algorithms for the actuator fault of a fixed-wing unmanned aerial vehicle …