Results 31 to 40 of about 7,645 (307)

A Hybrid Neural-Fuzzy Network Based Fault Detection and IsolationSystem for DC Motor of Robot Manipulator [PDF]

Engineering and Technology Journal, 2019
In this paper, the detecting and isolating fault that occurs in (actuator and sensor) in robot manipulator, which is used as a mathematical model were proposed for fault detection, where the neural network was used to detect the fault. The neural network
Arkan Jassim, Abbas Issa, Qusay Jawad
doaj   +1 more source

Indirect Fault Estimation and Active Fault-Tolerant Control for Spacecraft

Actuators
As spacecraft on-orbit environments become increasingly complex, actuator efficiency degradation and faults occur more frequently, severely compromising operational safety.
Junyong Yin, Jiarui Sun, Guangfu Ma, Guangtao Ran   +3 more
doaj   +1 more source

Design and assessment of a multiple sensor fault tolerant robust control system [PDF]

, 2008
This paper presents an enhanced robust control design structure to realise fault tolerance towards sensor faults suitable for multi-input-multi-output (MIMO) systems implementation.
Chen, J, Yang, S.S., Chen, J., J. Chen, S.S. Yang, Yang, SS   +5 more
core   +1 more source

Adaptive Integral-Type Terminal Sliding Mode Fault Tolerant Control for Spacecraft Attitude Tracking

IEEE Access, 2019
In this paper, the attitude tracking control for a spacecraft system based on a novel adaptive integral-type terminal sliding mode fault-tolerant control strategy is investigated.
Zhao Wang, Qi Li, Shurong Li
doaj   +1 more source

Real-time fault diagnosis and fault-tolerant control [PDF]

, 2015
This "Special Section on Real-Time Fault Diagnosis and Fault-Tolerant Control" of the IEEE Transactions on Industrial Electronics is motivated to provide a forum for academic and industrial communities to report recent theoretic/application results in ...
Cecati, Carlo, Ding, Steven X., Gao, Zhiwei   +2 more
core   +1 more source

Active Fault-Tolerant Control of a Quadcopter against Time-Varying Actuator Faults and Saturations Using Sliding Mode Backstepping Approach

Applied Sciences, 2019
Fault-tolerant control is becoming an interesting topic because of its reliability and safety. This paper reports an active fault-tolerant control method for a quadcopter unmanned aerial vehicle (UAV) to handle actuator faults, disturbances, and input ...
Ngoc Phi Nguyen, Sung Kyung Hong
doaj   +1 more source

Actuator Weak Fault Diagnosis in Autonomous Underwater Vehicle Based on Tri-Stable Stochastic Resonance

Applied Sciences, 2020
The autonomous underwater vehicle (AUV) is mainly used in the development and exploration of the ocean. As an important module of the AUV, the actuator plays an important role in the normal execution of the AUV.
Yang Jiang, Bo He, Jia Guo, Pengfei Lv, Xiaokai Mu, Xin Zhang, Fei Yu   +6 more
doaj   +1 more source

Fault estimation and fault-tolerant control for discrete-time dynamic systems

, 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
core   +1 more source

Adaptive Minimum-Entropy Hybrid Compensation for Compound Faults of Non-Gaussian Stochastic Systems

IEEE Access, 2019
This study investigated minimum-entropy hybrid fault-tolerant control (FTC) theory for non-Gaussian stochastic systems with compound faults. After fuzzy linearization for the singular systems, the output probability density function (PDF) is generated by
Kaiyu Hu, Fuyang Chen, Zian Cheng, Changyun Wen   +3 more
doaj   +1 more source

Observer Design for Actuator Failure of a Quadrotor

IEEE Access, 2020
This article addresses the problem of fault estimation for a quadrotor unmanned aircraft vehicle (UAV). A robust H∞ observer is proposed to achieve fault and state estimation of a quadrotor UAV with actuator fault in the presence of external ...
Xiao-Lu Ren
doaj   +1 more source