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广州大学 机械与电气工程学院,广东 广州 510006
[ "黄卫清(1965-),男,江苏南通人,教授,博士生导师,2000年于香港科技大学获得博士学位,主要从事精密驱动、振动利用的研究。E-mail:meehuangweiqing@gzhu.edu.cn" ]
[ "安大伟(1986-),男,河南南阳人,博士,讲师,2018年于上海交通大学获得博士学位,主要从事振动利用、超声研磨的研究。E-mail: andavy@163.com" ]
收稿日期:2020-08-17,
修回日期:2020-09-09,
纸质出版日期:2021-01-15
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黄卫清,杨成龙,沈兆琛等.低压驱动V形直线超声电机的设计[J].光学精密工程,2021,29(01):91-99.
HUANG Wei-qing,YANG Cheng-long,SHEN Zhao-chen,et al.Design of V-shaped linear ultrasonic motor driven with low-voltage[J].Optics and Precision Engineering,2021,29(01):91-99.
黄卫清,杨成龙,沈兆琛等.低压驱动V形直线超声电机的设计[J].光学精密工程,2021,29(01):91-99. DOI: 10.37188/OPE.20212901.0091.
HUANG Wei-qing,YANG Cheng-long,SHEN Zhao-chen,et al.Design of V-shaped linear ultrasonic motor driven with low-voltage[J].Optics and Precision Engineering,2021,29(01):91-99. DOI: 10.37188/OPE.20212901.0091.
针对传统V形直线超声电机驱动电压较大、驱动电路复杂,在配合变压器驱动时不利于结构微型化的问题,提出了一种利用叠层压电陶瓷驱动的低压V形直线超声电机。在对V形直线超声电机的运行机理进行理论分析的基础上,设计了基于叠层压电陶瓷的V形振子并进行了夹持装置的结构设计,进一步制作样机并开展了阻抗实验,测试了样机的外输出特性。实验结果表明:电机的驱动频率位于36~38 kHz,在37 kHz,50 Vpp的驱动电压激励下,其最大输出力为25.8 N,最高空载速度为1.221 m/s,可在低压驱动下输出大推力,直线超声电机的驱动性能得到了提高。
To solve the problem of the high driving voltage of traditional V-shaped linear ultrasonic motors, which results in a complex driving circuit and the disadvantage of structure miniaturization when matching with transformer driving, a low voltage driving V-shaped linear ultrasonic motor based on laminated piezoelectric ceramics was proposed. Based on the analysis of the working principle of the V-shaped linear ultrasonic motor, a V-shaped oscillator with laminated piezoelectric ceramics and a clamping device were designed. Finally, a prototype of the motor was fabricated, and the impedance and performance were measured. The experimental results show that the operating frequency of the motor is between 36 and 38 kHz while under a driving voltage of 50 Vpp and 37 kHz, the maximum output force of the motor reaches 25.8 N, and the maximum no-load velocity reaches 1.221 m/s.
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