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A Diagnostic Thau Observer for a Class of Unmanned Vehicles
Journal of Intelligent and Robotic Systems: Theory and Applications, 2012 zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Andrea Monteriù +2 more
exaly +4 more sources
Robust Reduced Order Thau Observer With the Adaptive Fault Estimator for the Unmanned Air Vehicles [PDF]
IEEE Transactions on Vehicular Technology, 2023 Developing fault detection and diagnoses algorithms for the unmanned air vehicles such as the quadrotors is challenging since they are intrinsically non-linear, time-varying, unstable, and uncertain.
Onder Tutsoy, Davood Asadi
exaly +3 more sources
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On synchronization of chaotic systems based on the Thau observer design
Communications in Nonlinear Science and Numerical Simulation, 2012zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Luis T Aguilar +2 more
exaly +3 more sources
Resilient design of Thau's observer using LMIs
Proceedings of the 2004 American Control Conference, 2004Much of the recent work on robust observer design has focused on the convergence of the observer in the presence of parameter perturbations in the plant equations. The present work addresses the important problem of resilience or non-fragility, which is maintenance of convergence when the observer is erroneously implemented due possibly to ...
E E Yaz
exaly +2 more sources
On the Impossibility of Building a Thau Observer for a Nonlinear Model of an Induction Motor
IEEE Latin America Transactions, 2018Given the simplicity of Thau observer, it could be attractive to try to build this kind of observer for an induction motor. However, in this paper, (metaheuristic) arguments are provided to explain why such purpose cannot be accomplished. In order to establish the impossibility of developing a Thau observer for the nonlinear model of an induction motor,
Jaime Pacheco
exaly +2 more sources
Robust Fault Diagnosis for Quadrotor UAVs Using Adaptive Thau Observer
Journal of Intelligent and Robotic Systems: Theory and Applications, 2013A robust Fault Diagnosis (FD) scheme for a real quadrotor Unmanned Aerial Vehicle (UAV) is proposed in this paper. Firstly, a novel Adaptive Thau observer (ATO) is developed to estimate the quadrotor system states and build a set of offset residuals to indicate actuators' faults. Based on these residuals, some rules of Fault Diagnosis (FD) are designed
Zhaohui Cen +2 more
exaly +2 more sources
FDI and FTC technique based on Thau observer and flatness theory for a quadrotor
2016 13th International Multi-Conference on Systems, Signals & Devices (SSD), 2016This paper presents a technique of FDI and FTC based on Thau observers and flatness theory. The Thau observer allows to estimates the outputs of the system (sensor outputs) to develop the fault detection and isolation. The flatness allows to develop a fault tolerant control by generating a non-faulty analytically redundant measures.
Nizar Chelly, Hassen Mekki, Anis Bacha
exaly +2 more sources
Nonlinear speed sensorless control of a surface-mounted PMSM based on a Thau observer
Electrical Engineering, 2016This paper presents an alternative to solve the speed sensorless control of a surface-mounted synchronous motor based on localization of compact invariant sets (LCIS) and the Thau observer. Through the LCIS, the domain of attraction of the system dynamics is analyzed, allowing to obtain global knowledge about its operational bounds and its associated ...
Luis N Coria +2 more
exaly +2 more sources