基于空间加速度传感器的洗衣机振动位移精准辨识方法

doi:10.19784/j.cnki.issn1672-0172.2024.99.041

Abstract

Abstract: During the dehydration process of the washing machine, the vibration of the drum is a key factor affecting the normal operation of the drum washing machine. Measuring the transient displacement of the drum has always been a hot and challenging research topic. Compared to displacement measurement, acceleration measurement is more straightforward. Analyzes the data obtained from spatial acceleration sensor testing. In response to the influence of DC components and noise signals in the data, the fast Fourier algorithm is used to filter and integrate in the frequency domain to obtain the required drum displacement parameters, which are then calibrated with the displacement curve obtained from the laser sensor. Experimental results have shown that the displacement curve obtained by using the frequency domain integration processing method approximates the actual displacement curve with high data accuracy. It can monitor the vibration of the washing machine drum through changes in displacement, and effectively control the vibration of the washing machine.

Key words: Acceleration sensor, Fast fourier transform, Laser sensor, Washing machine, Data calibration

CLC Number:

TM925.33

ZHANG Bin, TAN Weilin, ZHANG Shurong, GAO Yuze, ZHAO Zijing, GUO Yijie. Accurate identification method for vibration displacement of washing machine based on spatial acceleration sens[J]. Journal of Appliance Science & Technology, 2024, 0(zk): 201-206.

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Accurate identification method for vibration displacement of washing machine based on spatial acceleration sens

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