Full Text:   <247>

Suppl. Mater.: 

CLC number: TP271

On-line Access: 2024-03-25

Received: 2023-01-15

Revision Accepted: 2024-03-25

Crosschecked: 2023-09-06

Cited: 0

Clicked: 408

Citations:  Bibtex RefMan EndNote GB/T7714

 ORCID:

Wei LI

https://orcid.org/0000-0001-6254-8790

Junning CUI

https://orcid.org/0000-0002-4418-8936

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Frontiers of Information Technology & Electronic Engineering  2024 Vol.25 No.3 P.472-483

http://doi.org/10.1631/FITEE.2300031


Vibration harmonic suppression technology for electromagnetic vibrators based on an improved sensorless feedback control method


Author(s):  Wei LI, Junning CUI, Xingyuan BIAN, Limin ZOU

Affiliation(s):  Center of Ultra-precision Optoelectronic Instrument Engineering, Harbin Institute of Technology, Harbin 150080, China; more

Corresponding email(s):   cuijunning@hit.edu.cn

Key Words:  Vibration calibration, Electromagnetic vibrators, Harmonic suppression, Sensorless control method, Velocity feedback control


Wei LI, Junning CUI, Xingyuan BIAN, Limin ZOU. Vibration harmonic suppression technology for electromagnetic vibrators based on an improved sensorless feedback control method[J]. Frontiers of Information Technology & Electronic Engineering, 2024, 25(3): 472-483.

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A1 - Wei LI
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Abstract: 
To realize low harmonic distortion of the vibration waveform output from electromagnetic vibrators, we propose a vibration harmonic suppression technology based on an improved sensorless feedback control method. Without changing the original driving circuit, the alternating current (AC) equivalent resistance of the driving coil is used to obtain high-precision vibration velocity information, and then a simple and reliable velocity feedback control system is established. Through the study of the effect of different values of key parameters on the system, we have achieved an effective expansion of the velocity characteristic frequency band of low-frequency vibration, resulting in an enhanced harmonic suppression capability of velocity feedback control. We present extensive experiments to prove the effectiveness of the proposed method and make comparisons with conventional control methods. In the frequency range of 0.01‍–1.00 Hz, without using any sensors, the method proposed in this study can reduce the harmonic distortion of the vibration waveform by about 40% compared to open-loop control and by about 20% compared to a conventional sensorless feedback control method.

基于改进无传感器反馈控制方法的电磁振动器振动谐波抑制技术

李伟1,2,崔俊宁1,2,边星元1,2,邹丽敏1,2
1哈尔滨工业大学超精密光电仪器工程研究所,中国哈尔滨市,150080
2哈尔滨工业大学超精密仪器技术及智能化工业和信息化部重点实验室,中国哈尔滨市,150080
摘要:为实现电磁振动器低谐波失真振动波形输出,提出一种基于改进无传感器反馈控制方法的电磁振动器振动谐波抑制技术。在不改变原驱动电路的情况下,利用驱动线圈的交流等效电阻获得高精度的振动速度信息,建立简单可靠的无传感器速度反馈控制系统。通过研究不同关键参数值对系统的影响,有效扩展了低频振动速度特性频带,增强了速度反馈控制的谐波抑制能力。进行了大量实验来证明所提出的方法的有效性,并与传统的控制方法进行比较。在0.01 Hz至1.00 Hz的频率范围内开展对比实验,实验结果表明,所提出的方法与开环控制相比可以将振动波形的谐波失真降低约40%,与传统的无传感器反馈控制方法相比可以将谐波失真降低20%。

关键词:振动校准;电磁振动器;谐波抑制;无传感器控制方法;速度反馈控制

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article

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