Proportional multi-integral observer design for Takagi–Sugeno systems with unmeasurable premise variables: Conservatism reduction via polyquadratic Lyapunov …

W Hamdi, MY Hammoudi, M Hamiane - European Journal of Control, 2024 - Elsevier
In this paper, we present the design of a new unknown-input observer for Takagi–Sugeno
fuzzy systems with unmeasurable premise variables. The work proposes an improvement of …

Observer‐based active fault‐tolerant control for a class of pure‐feedback switched nonlinear systems

Y Wei, L Wang, Z Li - … Journal of Adaptive Control and Signal …, 2022 - Wiley Online Library
An active fault‐tolerant control (FTC) strategy for a class of switched nonlinear systems in
pure‐feedback form by using average dwell time method is investigated in this article. The …

Enhanced State and Unknown Input Estimation for Synchronous Reluctance Motor Using Takagi-Sugeno Fuzzy Proportional Multi-Integral Observer

W Hamdi, R Saadi, MY Hammoudi, R Houili… - IEEE …, 2024 - ieeexplore.ieee.org
This study introduces a novel approach to enhance state and unknown input estimation for
the synchronous reluctance motor, utilizing the Takagi-Sugeno fuzzy representation. A …

Adaptive Proportional Integral Observer Design for Interval Type 2 Takagi–Sugeno Fuzzy Systems

A Khedher, I Elleuch… - Mathematical Problems in …, 2021 - Wiley Online Library
In this paper, the problem of fault estimation in systems described by Takagi–Sugeno fuzzy
systems is studied. A proportional integral observer is conceived in order to reconstruct state …

A novel four-dimensional conservative chaotic system without linear term, its analysis and adaptive control via integral sliding mode control

S Vaidyanathan - International Journal of Modelling …, 2018 - inderscienceonline.com
In this work, a novel conservative four-dimensional chaotic system without linear term is
proposed. The fundamental qualitative properties of the novel chaotic system are described …

Modeling and state estimation of discrete event systems using Hybrid Petri nets

K Soltani, A Khedher, A Khedher - 2023 20th International Multi …, 2023 - ieeexplore.ieee.org
This work proposes a linear algebraic model written in the form Ax≤ b describing the
dynamic behavior of Hybrid Petri Nets (HPN). The proposed model can be simulated to …

Observer desing for non linear takagi-sugeno fuzzy systems. application to fault tolerant control

A Khedher, I Elleuch, KB Othman - … in Observer Design and Observation for …, 2022 - Springer
The problem of fuzzy fault tolerant control design for systems described by Takagi-Sugeno
models is studied in this chapter. The fault tolerant control design require the state and fault …

[PDF][PDF] Model predictive control of NPC three-level grid-tied converter based on reconstructed current

Y Li, H Xiao, N Jin, G Yan - Archives of Electrical Engineering, 2022 - bibliotekanauki.pl
The neutral point clamped (NPC) three-level grid-tied converter is the key equipment
connecting renewable energy and power grids. The current sensor fault caused by harsh …

Sensor fault estimation based on L unknown input observer

S Gao, H Zhang, W Kong, Z Wang - IMA Journal of Mathematical …, 2023 - academic.oup.com
This study investigates the fault estimation problem for a class of Lipschitz non-linear
systems with sensor faults and disturbances. An augmented system consisting of system …

A fault tolerant control for nonlinear systems with simultaneous actuator and sensor faults. Application to a CSTR

S Bzioui, R Channa - Journal of Control Engineering and Applied …, 2021 - ceai.srait.ro
In this paper, a novel active fault tolerant tracking control is proposed for nonlinear systems
described by Takagi-Sugeno model, the considered systems are affected by simultaneous …