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

Yongling Fu; Yuxuan Ma; Zhenyu Gou; Tuanhui Guo; Junhao Liu; Jiangao Zhao

doi:10.3791/63575

Design and Application of a Fault Detection Method Based on Adaptive Filters and Rotational Speed...

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JoVE Journal Engineering

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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06:45 min

October 28, 2022

DOI: 10.3791/63575-v

Yongling Fu^1,2, Yuxuan Ma^1,2, Zhenyu Gou³, Tuanhui Guo^1,2, Junhao Liu^1,2, Jiangao Zhao^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

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.

Fault detection is a key technology to test the practicality of electro-hydrostatic actuator, also known as EHA. This protocol possess an effective design experiment method for EHA fault detection. This protocol combines simulation and experiment fault detection algorithms that can detect the errors of EHA effectively and quickly.

To establish the EHA simulation model open the simulation software on a PC and set the parameters of the model as described in the text manuscript. Then give a position command, a sinusoid with an amplitude of 0.01 meter, and a frequency of two pi radius per second. Enter the modeling menu and click the model settings"button.

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