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A Novel Adaptive Sensor Fault Estimation Algorithm in Robust Fault Diagnosis [PDF]
Sensors, 2022 The paper deals with a robust sensor fault estimation by proposing a novel algorithm capable of reconstructing faults occurring in the system. The provided approach relies on calculating the fault estimation adaptively in every discrete time instance ...
Marcin Pazera, Marcin Witczak
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Fault Estimation Method for Nonlinear Time-Delay System Based on Intermediate Observer-Application on Quadrotor Unmanned Aerial Vehicle [PDF]
Sensors, 2022 In this paper, the problem of actuator and sensor faults of a quadrotor unmanned aerial vehicle (QUAV) system is studied. In the system fault model, time delay, nonlinear term, and disturbances of QUAV during the flight are considered. A fault estimation
Qingnan Huang +5 more
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H∞ fault estimation of robot joint in finite frequency domain [PDF]
E3S Web of Conferences, 2021 The fault estimation of robot joint is of great significance to improve the reliability and stability of robot joint. Based on the design of fault diagnosis observer and the finite frequency theory, a method of H infinite fault estimation with frequency ...
Pan Yuedou, Xiong Zhanbo
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Sampled-Data Fuzzy Fault Estimation Observer Design for Nonlinear Systems
IEEE Access, 2023 In this study, a sampled-data fuzzy fault estimation observer design problem is considered for nonlinear systems. The main idea of this study is to solve the sampled-data output problem by using two approaches of approximate discretization and exact ...
Geun Bum Koo
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Distributed Fault Estimation and Fault-Tolerant Control of Interconnected Systems [PDF]
IEEE Transactions on Cybernetics, 2021 This article studies the distributed fault estimation (DFE) and fault-tolerant control for continuous-time interconnected systems. Using associated information among subsystems to design the DFE observer can improve the accuracy of fault estimation of the interconnected systems.
Ke Zhang +3 more
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Geodesy and Geodynamics, 2020 The elements of Green function matrix are the nonlinear functions of fault parameters estimation, the randomness of fault parameters estimation causes that the slip distribution inversion turns to be the parameter estimation problem of total least ...
Leyang Wang +3 more
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Fault estimation and fault-tolerant control for discrete-time dynamic systems [PDF]
, 2015 In this paper, a novel discrete-time estimator is proposed, which is employed for simultaneous estimation of system states, and actuator/sensor faults in a discrete-time dynamic system.
Gao, Zhiwei
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On fault tolerant control structures incorporating fault estimation [PDF]
Archives of Control Sciences, 2016 AbstractThe paper provides the minimal necessary modifications of linear matrix inequality conditions for the mixed H2/H∞control design as well as for the augmented observer-based fault estimation to be mutually compatible in joint design of integrated fault estimation and fault tolerant control.
Krokavec Dušan +2 more
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IEEE Access, 2021 In this paper, an integrated design scheme of fault estimation (FE) and fault-tolerant control (FTC) is presented for a closed-loop system with uncertain short delay.
Juan Chen +4 more
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H∞ fault estimation with randomly occurring uncertainties, quantization effects and successive packet dropouts: The finite-horizon case [PDF]
, 2015 In this paper, the finite-horizon H∞ fault estimation problem is investigated for a class of uncertain nonlinear time-varying systems subject to multiple stochastic delays.
Ding, D, Li, Z, Shu, H, Wang, Z
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