摘要
建立了行波型杆式超声电机定子的压电有限元模型,并对定子进行了动力学分析。结合行波型超声电机的三维接触/摩擦驱动模型和转子的动力学方程推导了整个电机的机电耦合模型。基于此模型,对直径为20 mm的行波型杆式超声电机进行了动态特性仿真和机械性能预测,仿真结果得到了样机实验结果的验证。
The piezoelectric finite element model of the stator of a traveling wave type rod shape ultrasonic motor is established.The dynamical performance of the stator is analyzed based on this model.The contact interface in 3-dimensions between the stator and the rotor is modeled.The model of an electromechanical-coupled system is derived on the basis of the integrated model of the stator,the rotor and the contact interface.The prediction of the mechanical performance of this type of motor with 20mm of diameter is realized utilizing the governing model and the numerical simulation is validated by the experimental results of the prototype motor.
出处
《振动与冲击》
EI
CSCD
北大核心
2008年第6期103-107,166,共6页
Journal of Vibration and Shock
基金
国家自然科学基金资助项目(编号:90405010
10604032)
关键词
行波型杆式超声电机
动力学分析
接触模型
性能仿真
traveling wave rod shape ultrasonic motor
dynamic analysis
contact model
performance simulation
