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Design and Application of a Fault Detection Method Based on Adaptive Filters and Rotational Speed Estimation for an Electro-Hydrostatic Actuator
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Design and Application of a Fault Detection Method Based on Adaptive Filters and Rotational Speed Estimation for an Electro-Hydrostatic Actuator

Article DOI: 10.3791/63575-v • 06:45 min • October 28th, 2022
October 28th, 2022 •
1,2, 1,2, 3, 1,2, 1,2, 2,4
1School of Mechanical Engineering and Automation, Beihang University, 2Laboratory of Aerospace Servo Actuation and Transmission, Beihang University, 3AVIC Chengdu Aircraft Design & Research Institute, 4Research Institute for Frontier Science, Beihang University

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In this paper, an adaptive filter based on a normalized least mean square (NLMS) algorithm and a rotational speed estimation method are introduced to detect the electrical and hydraulic faults of the electro-hydrostatic actuator (EHA). The efficacy and feasibility of the aforementioned methods are verified through simulations and experiments.

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Fault Detection Method Adaptive Filters Rotational Speed Estimation Electro-hydrostatic Actuator EHA Fault Detection Algorithms Simulation Model Experiment Position Command Sinusoid Modeling Menu Fault Injection Switches Non-fault Condition Drawing Software Piston Rod Misplacement Electromechanical Fault Switch Open Circuit Fault Motor Windings
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