具有偏置结构的非对称惯性压电旋转驱动器

程光明; 陈康; 温建明; 邢春美; 曾平; 鲍慧璐

doi:10.3788/OPE.20162409.2208

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具有偏置结构的非对称惯性压电旋转驱动器

微纳技术与精密机械 | 更新时间：2020-07-07

- 具有偏置结构的非对称惯性压电旋转驱动器
- Asymmetrical inertial piezoelectric rotary actuator with bias unit
- 光学精密工程 2016年24卷第9期页码：2208-2216
- 作者机构：
  
  浙江师范大学精密机械研究所, 浙江金华 321004
- 作者简介：
  
  [ "程光明(1957-), 男, 吉林长春人, 博士, 教授, 1982年、1985年、1996年于吉林工业大学分别获学士、硕士、博士学位, 主要从事压电驱动技术、微机电液系统和摩擦学的研究。E-mail:cgm123@163.com" ]
  温建明(1980-), 男, 河北承德人, 博士, 副教授, 2003年、2006年、2009年于吉林大学分别获得学士、硕士、博士学位, 主要从事压电驱动和控制技术。E-mail:wjming@zjnu.cnE-mail:wjming@zjnu.cn
- 基金信息：
  
  国家自然科学基金资助项目(51175478);国家自然科学基金资助项目(51205369);浙江省自然科学基金资助项目(LY15E050010);浙江省大学生科技创新活动计划资助项目(2015R404028)
- DOI：10.3788/OPE.20162409.2208
  中图分类号： TN384
- 收稿日期：2016-02-13，
  
  录用日期：2016-3-10，
  
  纸质出版日期：2016-06
- 稿件说明：
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程光明, 陈康, 温建明, 等. 具有偏置结构的非对称惯性压电旋转驱动器[J]. 光学精密工程, 2016,24(9):2208-2216.

Guang-ming CHENG, Kang CHEN, Jian-ming WEN, et al. Asymmetrical inertial piezoelectric rotary actuator with bias unit[J]. Optics and precision engineering, 2016, 24(9): 2208-2216.
程光明, 陈康, 温建明, 等. 具有偏置结构的非对称惯性压电旋转驱动器[J]. 光学精密工程, 2016,24(9):2208-2216. DOI： 10.3788/OPE.20162409.2208.

Guang-ming CHENG, Kang CHEN, Jian-ming WEN, et al. Asymmetrical inertial piezoelectric rotary actuator with bias unit[J]. Optics and precision engineering, 2016, 24(9): 2208-2216. DOI： 10.3788/OPE.20162409.2208.

摘要

为改善惯性压电驱动器输出性能，提出了一种新型具有偏置结构的非对称惯性压电旋转驱动器。在非对称夹持的基础上，定义了一种偏置结构。为了解偏置结构对驱动器输出性能的影响，建立了机构的力学模型方程，推导并仿真分析了驱动器的动力学特性。设计、制作了试验样机，搭建了试验系统；进行了试验测试并与无偏置结构驱动器进行了性能对比。结果表明：偏置距离为15 mm时，驱动器输出步距角速度最大。与无偏置结构驱动器相比，驱动电压为100 V、23 Hz时，驱动器输出最大角速度从3.48 rad/s增加至5.39 rad/s，增幅达54.88%，驱动器最大驱动力矩从2.41 N·mm增加至3.62 N·mm，增幅达50.2%；驱动电压为100 V，4 Hz时，驱动器稳定运行时的承载量达1 300 g。理论与试验结果表明，提出的有偏置结构的驱动器具有输出步距角速度和驱动力矩更大的特点。

Abstract

A novel asymmetrical inertial piezoelectric rotary actuator with a bias unit was proposed for improving the output performance of inertial piezoelectric actuators. On the asymmetrical clamp

the bias unit was designed. To research the effect of the bias unit on the output performance of piezoelectric rotary actuator

a mechanical model equation of the mechanism was initially established

and the dynamic characteristics of the actuator were also derived and simulated. Then

a prototype was designed and fabricated

corresponding experimental system was built to conduct experiments and experimental results were compared with that of the actuator without the bias unit. The results show that the output angular velocity peak of the actuator is at the offset distance of 15 mm. Compared with the actuator without the bias unit under the driving voltage of 100 V

23 Hz

the actuator with the offset distance of 15 mm improves the maximum angular velocity from 3.48 rad/s to 5.39 rad/s

enhancing by 54.88% and the highest driving moment from 2.41 N·mm to 3.62 N·mm

enhancing by 50.2%. In addition

its heavy bearing capacity at stable motion attains 1 300 g under the driving voltage of 100 V

4 Hz. Both theoretical and experimental results indicate that the designed actuator hold advantages in larger angular velocities and inertial driving moments in comparison to the one without the bias unit.

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references

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