[1]张百亮,姚志远,刘振.单模态驱动的V形板结构直线超声电机[J].机械与电子,2018,(09):36-41.
　ZHANG Bailiang,YAO Zhiyuan,LIU Zhen.A V-shaped Plate Type Linear Ultrasonic Motor Driven by a Single Mode[J].Machinery & Electronics,2018,(09):36-41.
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单模态驱动的V形板结构直线超声电机()
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机械与电子[ISSN:1001-2257/CN:52-1052/TH]

卷:
期数:
2018年09期
页码:
36-41
栏目:
机电一体化技术
出版日期:
2018-09-24

文章信息/Info

Title:
A V-shaped Plate Type Linear Ultrasonic Motor Driven by a Single Mode
文章编号:
1001-2257（2018）09-0036-06
作者:
张百亮; 姚志远 ; 刘振
(南京航空航天大学机械结构力学及控制国家重点实验室,江苏 南京 210016)
Author(s):
ZHANG Bailiang;  YAO Zhiyuan;  LIU Zhen
(State Key Laboratory of Mechanics and Control of Mechanical Structures, Nanjing University of Aeronautics and Astronautics, Nanjing 210016, China)
关键词:
超声电机; 板结构; 单模态驱动; 结构设计
Keywords:
ultrasonic motor;  plate type stator;  single-mode drive;  structure design 
分类号:
TH122；TM359.4
文献标志码:
A
摘要:
为克服双模态超声电机频率一致性的限制和进一步提高V形直线超声电机的输出性能，设计了一种板结构直线超声电机。该电机包括V形定子和直线导轨，定子由2个相互垂直的板结构振子构成，驱动足位于2个变截面梁的连接点上。利用两振子弯曲振动形成的对称和反对称模态，通过两相模态切换，实现电机的双向运动。研制了样机并对其进行了模态实验和机械输出特性测试。借助三维激光测振仪分别测试了驱动足在接触和不接触导轨情况下的运动轨迹，阐述并验证了单模态超声电机的驱动机理。实验结果表明，该电机具有良好的机械输出特性：最大空载速度为690 mm/s，最大推力达100 N，推重比达59.7。
Abstract:
To overcome the limitation of the frequency consistency of linear ultrasonic motors (LUSMs) driven by dual modes and further improve the mechanical output performance of V-shaped LUSMs, a plate type LUSM was proposed. The motor is composed of a linear guide and a V-shaped stator which is constructed by two mutually perpendicular plate vibrators. The driving foot is linked by continuously contracted variable cross-section beams. The symmetric and antisymmetric modes of the stator based on the bending vibration were utilized and each mode was excited individually to move the linear guide in one direction. The prototype was developed and tested for modal and mechanical output characteristics experiments. The motion trajectories of the driving foot under contact and non-contact conditions were tested by three-dimensional laser vibrometer, respectively, verifying the driving mechanism of the motor. The experimental results show that the motor has a maximum no-load speed of 690 mm/s and a maximum thrust of 100 N, achieving a thrust-weight ratio of 59.7.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期：2018-05-24
基金项目：国家自然科学基金资助项目（51275229）；国家重大仪器设备开发专项(2012YQ100225)
作者简介：张百亮(1994- ), 男，河南信阳人，硕士研究生，研究方向为直线超声电机、振动控制与应用；姚志远(1961- ), 男，江苏镇江人，教授，博士生导师，研究方向为直线超声电机的结构设计、整机建模与优化等，通信作者。
更新日期/Last Update: 2019-11-01