利用偏心转子实现转速与驱动频率一致的高速压电马达研究

doi:10.3901/JME.2022.15.233

机械工程学报 ›› 2022, Vol. 58 ›› Issue (15): 233-242.doi: 10.3901/JME.2022.15.233

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利用偏心转子实现转速与驱动频率一致的高速压电马达研究

潘巧生^1,2, 赵明飞^1,2, 李晨^1,2, 黄梓良^1,2, 陈立蔚^1,2, 王雅^1,2

1. 合肥工业大学仪器科学与光电工程学院合肥 230009;
2. 测量理论与精密仪器安徽省重点实验室合肥 230009

收稿日期:2021-08-07 修回日期:2022-03-21 出版日期:2022-08-05 发布日期:2022-10-13
作者简介:潘巧生,男,1990年出生,博士,副教授,硕士研究生导师,第七届上银优秀机械博士论文获奖者。主要研究方向为压电驱动器,超声换能器。E-mail:panqs@hfut.edu.cn
基金资助:
国家自然科学基金（51705124，52175533），安徽省重点研发计划（202104h04020025）以及高校基本科研业务费（PA2021KCPY0049）资助项目。

Research on High Speed Piezoelectric Motor with Eccentric Rotor Which Speed Is Equal to the Driving Frequency

PAN Qiaosheng^1,2, ZHAO Mingfei^1,2, LI Chen^1,2, HUANG Ziliang^1,2, CHEN Liwei^1,2, WANG Ya^1,2

1. School of Instrument Science and Optoelectronics Engineering, Hefei University of Technology, Hefei 230009;
2. Anhui Province Key Laboratory of Measuring Theory and Precision Instrument, Hefei 230009

Received:2021-08-07 Revised:2022-03-21 Online:2022-08-05 Published:2022-10-13

摘要/Abstract

摘要： 现有的压电马达主要利用摩擦耦合实现运动输出，通过累计小角度（位移）实现连续旋转（直线）运动，难以应用于高速需求场合。设计了一种转速与频率一致的压电马达，利用轴承将定子强迫振动的能量馈入偏心转子，定子振动一个周期，转子旋转一周，从而实现压电马达高速输出。建立压电马达的动力学模型，理论分析该驱动机制下压电马达系统振动传递规律以及损耗与输入能量的关系。提出将转子的部分质量转移到定子中以进一步提升转速，建立质量转移后系统振动力学模型，分析质量转移后偏心转子转速以及轴承的能量损耗。搭建有质量转移和无质量转移两种压电马达样机，实验测试两种样机的速度特性，结果表明，质量转移后马达的最大输出速度获得进一步提升，最高输出速度达到11 460 r/min，相比质量转移前速度提升了25.7%，该原理高速压电马达有望用于飞轮储能、离心分离等需要高速运动的应用场合。

关键词: 压电马达, 受迫振动, 高速, 质量转移, 相位调节

Abstract: The existing piezoelectric motors mainly use frictional coupling to achieve motion output and continuous rotational(linear) motion by accumulating small angles(displacements), which is difficult to apply to high speed demand situations.A piezoelectric motor with the same speed and frequency is proposed, using bearings to feed the energy from the forced stator vibration into the eccentric rotor, while the stator vibrates for one cycle and the rotor rotates for one week, thus realizing the high speed output of the piezoelectric motor.Proposes to transfer part of the mass of the rotor into the stator to increase the speed.The dynamics of the piezoelectric motor before and after mass transfer is established, and the vibration transfer law and energy relations are analyzed.Two piezoelectric motor prototypes are built with or without mass transfer, and the speed characteristics of both prototypes are tested experimentally.The results show that the maximum output speed of the motor is further increased after mass transfer, with a maximum output speed of 11 460 r/min, which is 25.7% higher than the speed before mass transfer.The motor is expected to be used in flywheel energy storage system, high-speed centrifugal filtration system and other applications requiring high speed motion.

Key words: piezoelectric motor, forced vibration, high speed, quality transfer, phase adjustment

中图分类号:

TH703

潘巧生, 赵明飞, 李晨, 黄梓良, 陈立蔚, 王雅. 利用偏心转子实现转速与驱动频率一致的高速压电马达研究[J]. 机械工程学报, 2022, 58(15): 233-242.

PAN Qiaosheng, ZHAO Mingfei, LI Chen, HUANG Ziliang, CHEN Liwei, WANG Ya. Research on High Speed Piezoelectric Motor with Eccentric Rotor Which Speed Is Equal to the Driving Frequency[J]. Journal of Mechanical Engineering, 2022, 58(15): 233-242.

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利用偏心转子实现转速与驱动频率一致的高速压电马达研究

Research on High Speed Piezoelectric Motor with Eccentric Rotor Which Speed Is Equal to the Driving Frequency

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