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 …

Design and applications of interval observers for uncertain dynamical systems

A Khan, W Xie, L Zhang, LW Liu - IET Circuits, Devices & …, 2020 - Wiley Online Library
Interval observer design and related techniques have been researched and applied in many
engineering fields and continue to be an active research area in the estimation and control …

Active fault tolerant control for unmanned underwater vehicle with actuator fault and guaranteed transient performance

X Wang - IEEE Transactions on Intelligent Vehicles, 2020 - ieeexplore.ieee.org
In this paper, an active fault tolerant control (FTC) scheme is proposed to achieve trajectory
tracking of unmanned underwater vehicle (UUV) subject to multiple uncertainties (external …

Fault detection for switched systems with all modes unstable based on interval observer

Q Su, Z Fan, T Lu, Y Long, J Li - Information Sciences, 2020 - Elsevier
This paper concentrates on observer-based fault detection (FD) for switched systems. By the
introduction of the interval observer, the error dynamic system is proposed. In light of the …

Set-membership estimation for linear time-varying descriptor systems

W Tang, Z Wang, Q Zhang, Y Shen - Automatica, 2020 - Elsevier
This paper considers the problem of set-membership estimation for discrete-time linear time-
varying descriptor systems subject to unknown but bounded disturbance and noise. We …

A decoupling approach for observer-based controller design of T–S fuzzy system with unknown premise variables

WB Xie, B Liu, LW Bu, YL Wang… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
For the output feedback control problem of a Takagi-Sugeno (TS) fuzzy system with
unknown premise variables (UPV) and external disturbances, a new observer-based …

Functional interval observer for discrete-time switched descriptor systems

J Huang, H Che, T Raïssi… - IEEE Transactions on …, 2021 - ieeexplore.ieee.org
This article investigates functional interval observer based estimation methods for discrete-
time switched descriptor systems with disturbances. A functional observer is presented using …

Active fault tolerant control for unmanned underwater vehicle with sensor faults

X Wang - IEEE Transactions on Instrumentation and …, 2020 - ieeexplore.ieee.org
In this article, we propose an active fault tolerant control (FTC) scheme to achieve trajectory
tracking for unmanned underwater vehicle (UUV) subject to sensor faults and multiple …

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 …

Fast interval estimation for discrete-time linear systems: An L1 optimization method

Z Wang, TN Dinh, Q Zhang, T Raissi, Y Shen - Automatica, 2022 - Elsevier
This paper studies interval estimation for discrete-time linear systems with unknown but
bounded disturbances. Inspired by the parity space approach, we propose a point estimator …