小型柱体超声波电动机的设计及有限元分析  

Design of a Miniature Cylindrical Ultrasonic Motor with FEA Analysis

作　　者：曹祥红[1] 张华[2] 金龙[3] 徐志科[3] 

机构地区：[1]郑州轻工业学院电气信息工程学院,郑州450002 [2]河南工业大学电气工程学院,郑州450002 [3]东南大学电气工程系,南京210096

出　　处：《微电机》2007年第3期19-22,共4页Micromotors

基　　金：国家自然科学基金项目(50277006)

摘　　要：简要总结了小型柱体超声波电动机的研究与发展;介绍了自行设计的一种新型自由-轴支小型柱体超声波电动机的结构、运行机理和振型特点,建立了定子有限元分析模型,并利用该模型研究了定子振型、定子开槽、陶瓷片位置及模态简并等问题,给出了仿真计算结果。Research on rod-type miniature piezoelectric ultrasonic motor was briefly reviewed in this paper. A new rod-type miniature piezoelectric ultrasonic motor based on free-shaft-fixed bending vibration model with improved construction design was introduced in datail. The motor＇s vibration modles and driving mechanism were explained using the finite-element method. The vibration model of motor stator, effects of slots on stator, position of piezoelectric plate and mode merge were investigated and simulation results were listed.

关 键 词：有限元模型 定子结构 振型 设计 柱体超声波电动机 模态简并 

分 类 号：TM359.9[电气工程—电机]