双足型直线超声电机的实验研究  

Experiments of Double-foot Linear Ultrasonic Motor

作　　者：许海[1] 赵淳生[2] 

机构地区：[1]苏州职业大学机电工程系,苏州215104 [2]南京航空航天大学超声电机研究中心,南京210016

出　　处：《机械科学与技术》2007年第11期1498-1500,1506,共4页Mechanical Science and Technology for Aerospace Engineering

摘　　要：研制了一种新型直线超声电机,首先对其驱动机理进行了探讨,设计了电机的具体结构。其次对振子进行了频率响应实验,模态实验,实验表明电机可有效激励出所需振型。分别测定了电机的频率-速度关系、电压-速度关系、相位-速度关系。电机运行中正反两向运动灵活,工作状态稳定,速度基本与输入电压成正比,可采用调压调速;其最大无负载速度可达76 mm/s,最大输出推力2 N,达到了预期设计的目的。In this paper, we presents a new type of linear ultrasonic motor. First, we discussed the mechanism of motivation, and designed the structure of the motor. Then, the frequency response of its stator and the mode experiment of the motor are performed. The results show that the motor＇s working vibration modes can be excited easily. Finally, we performed driving experiments and determined relations of frequency-speed, voltage-speed, and phasespeed. Experiments show that the motor can move agilely forward and backward, and can attain maximum velocity 76mm/s, and the maximum thrust force can reach 2 N.

关 键 词：直线型超声电机 面内振动 驱动振子 压电陶瓷 

分 类 号：TM38[电气工程—电机]