新型柱体超声波电动机有限元设计  

Design of a Miniature Cylindrical Ultrasonic Motor with FEA Analysis

作　　者：曹祥红[1] 张华[2] 

机构地区：[1]郑州轻工业学院,河南郑州450002 [2]河南工业大学,河南郑州450007

出　　处：《微特电机》2007年第8期15-17,共3页Small & Special Electrical Machines

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,对其结构、运行机理和振型特点进行了介绍,建立了电动机定子的有限元分析模型,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,给出了仿真优化计算和样机的测试结果。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 mode with improved construction design was introduced in detail.The motor＇s vibration modes and driving mechanism were explained using the finite-element method.The vibration mode 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：超声波电动机 有限元模型 定子结构设计 

分 类 号：TM38[电气工程—电机]