A survey of interval observers design methods and implementation for uncertain systems

A Khan, W Xie, B Zhang, LW Liu - Journal of the Franklin Institute, 2021 - Elsevier
The goal of the interval observers is to deal with the large but bounded uncertainties and
disturbances by determining certain interval (upper and lower estimates) for the system …

Fault estimation and fault-tolerant control for linear discrete time-varying stochastic systems

T Zhang, F Deng, Y Sun, P Shi - Science China Information Sciences, 2021 - Springer
This paper presents a scheme for simultaneous fault estimation and fault-tolerant control of
linear discrete time-varying stochastic systems. An observer is proposed to estimate the …

Observer-based asymptotic active fault diagnosis: A two-layer optimization framework

F Xu - Automatica, 2021 - Elsevier
This paper proposes a novel asymptotic online robust active fault diagnosis (AFD)
framework for discrete linear time-invariant (LTI) systems using a bank of set-valued …

Reachability analysis-based interval estimation for discrete-time Takagi–Sugeno fuzzy systems

S Guo, W Ren, CK Ahn, C Wen… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
Considering disturbances, noise, and sensor faults, this article investigates interval
estimation for discrete-time Takagi–Sugeno fuzzy systems. To obtain precise estimation …

Interval observer‐based fault tolerant control strategy with fault estimation and compensation

Y Shan, F Zhu - Asian Journal of Control, 2022 - Wiley Online Library
In this paper, a new strategy of fault tolerant control (FTC) is proposed for linear system with
unknown inputs and actuator faults. First, a reduced‐order observer which can estimate …

Quantized fault-tolerant control for descriptor systems with intermittent actuator faults, randomly occurring sensor non-linearity, and missing data

M Kchaou, H Jerbi, D Stefanoiu, D Popescu - Mathematics, 2022 - mdpi.com
This paper examines the fault-tolerant control problem for discrete-time descriptor systems
that are susceptible to intermittent actuator failures, nonlinear sensor data, and probability …

An interval-estimation-based anti-disturbance sliding mode control strategy for rigid satellite with prescribed performance

Z Zhou, F Zhu, D Xu, Z Gao - ISA transactions, 2020 - Elsevier
This paper investigates an anti-disturbance sliding mode control strategy for a rigid satellite
system with external disturbance under the prescribed performance constraints. An interval …

Interval Threshold-Based Finite-Frequency Sensor Attack Detection for Interconnected Cyber-physical Systems

S Guo, M Tang, CK Ahn - Information Sciences, 2024 - Elsevier
This study addresses the problem of observer design and its applications to attack detection
for an interconnected cyber-physical system subjected to unknown disturbances and sensor …

State and faults interval estimations for discrete-time linear systems

W Ren, S Guo - International Journal of Control, Automation and …, 2023 - Springer
This paper concerns state and fault simultaneous interval estimations for discrete-time linear
systems with unknown but bounded uncertainties. Unlike most existing works on interval …

Stability radii-based interval observers for discrete-time nonlinear systems

JD Avilés, JA Moreno, JA Dávila, G Becerra… - IEEE …, 2021 - ieeexplore.ieee.org
In this paper, we investigate the interval observer problem for a class of discrete-time
nonlinear systems, in absence or presence of external disturbances and parametric …