短柱型超声波电机两相振动频率的简并  

TWO PHASE VIBRATION FREQUENCY DEGENERATION OF SHORT CYLINDRICAL TYPE ULTRASONIC MOTOR

作　　者：莫岳平[1] 金龙[2] 胡敏强[2] 徐志科[2] 

机构地区：[1]扬州大学信息工程学院电气工程系,江苏扬州225009 [2]东南大学电气工程系,江苏南京210096

出　　处：《中国电机工程学报》2004年第8期115-118,共4页Proceedings of the CSEE

基　　金：基金项目:国家自然科学基金资助项目(50277006);江苏省教育厅自然科学基金资助项目(02KJD470005)~~

摘　　要：柱体型超声波电机依靠圆柱定子的弯曲振动驱动转子旋转。柱体型结构电机的激振效率高,装配工艺简单,有着十分广阔的应用前景。该文研究的是一种新型短柱型超声波电机,介绍了它的结构和运行机理;分析了不同边界条件下该电机的振动特性;采用弹性支撑和改变压电陶瓷激振方式,实现了电机两相振动频率的简并。The cylindrical type ultrasonic motor uses bending vibration of cylindrical stator to drive rotor. The exciting efficiency of cylindrical type motor is higher, its assembly technology is simple and the application foreground is extensive. A new type short cylindrical ultrasonic motor is studied in the paper. The structure and operation mechanics of the motor is introduced. The vibration characteristic of the motor under different terminal condition is analyzed. Adopted elastic supporting and altered exciting manner, two phase vibration frequency degeneration of the motor is realized.

关 键 词：短柱型超声波电机 两相振动频率 激振效率 结构型式 微特电机 

分 类 号：TM38[电气工程—电机]