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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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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, Bin Jiang, Mou Chen
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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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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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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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A new fault tolerant control scheme for non‐linear systems by T‐S fuzzy model approach
IET Control Theory & Applications, 2021 This paper is concerned with the problem of fault tolerant control for non‐linear systems with sensor faults based on the T‐S fuzzy model approach. First, a fault estimation (FE) observer with L∞ technique is designed to estimate the fault.
Yue Wu +3 more
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IEEE Access, 2019 This paper studies the problem of adaptive fault estimation and accommodation for a class of stochastic nonlinear systems with unknown time-varying faults.
Qing Li +4 more
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Sensors, 2016 Recently, State of energy (SOE) has become one of the most fundamental parameters for battery management systems in electric vehicles. However, current information is critical in SOE estimation and current sensor is usually utilized to obtain the latest ...
Jun Xu +3 more
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