行波超声马达带齿定子固有振动频率解析  

Galculation of Natural Frequencies of the Stator with Teeth of a Tavelling Wave Type Ultrasonic Motor

作　　者：赵向东[1] 赵淳生[1] 

机构地区：[1]南京航空航天大学振动工程研究所,南京210016

出　　处：《振动．测试与诊断》1998年第4期243-247,共5页Journal of Vibration,Measurement & Diagnosis

基　　金：国家自然科学基金资助项目! (编号 :597750 4 8)

摘　　要：提出了一种用于计算行波超声马达带齿定子固有振动频率的解析算法。该法重点考虑了带齿梁弯曲变形的具体特点及高阶振动时定子齿的转动惯量对定子固有频率的影响 ,推导了相应的振动微分方程 ,解算出了带齿定子梁的固有振动频率 ,实验证明是一种行之有效的方法。该方法便于分析固有振动频率对各参数变化的敏感性 ,对马达最终驱动频率的确定。This paper presents a new method to calculate the natural frequencies of a travel- ling wave type ultrasonic motor stator with teeth.After analyzing the feature of a bending beam with teeth and the affection of the rotary inertia of the teeth to its natural frequencies, a vibration equation is deduced.Calculated results match up to the tested ones fairly well. This method can be used to analyze the sensibility of the frequencies to various parameters and to guide the optimal design of the stator.

关 键 词：超声马达 带齿梁 振动 固有频率 

分 类 号：TM350.142[电气工程—电机]