摘要
从分析超声波电动机定子等效电路模型入手,考虑电机容性负载特性,对驱动电路进行了串联电感匹配,改善了驱动电源与电机之间的耦合程度,提高了驱动电源的输出效率,同时匹配电感后电压波形有了明显的改善,并通过实验测试了阻抗匹配的驱动效果,为进一步有效驱动控制超声波电动机提供可靠的依据。
The series inductance of driving circuit was matched by analyzing equivalent circuit and considering the electrical characteristics of capacitive load for ultrasonic motor. The output efficiency of driving power was improved and the voltage waveform was ameliorated. The impedance matching was verified by experiment. The ultrasonic motor can be controlled and driven effectively.
出处
《微特电机》
北大核心
2012年第2期62-64,共3页
Small & Special Electrical Machines
基金
山东科技大学科学研究"春蕾计划"项目资助(2010AZZ087)
关键词
超声波电动机
等效电路
阻抗匹配
ultrasonic motor
equivalent circuit
impedance matching
