Drive control device for an ultrasonic motor
作者： Ryoichi Suganuma
DOI:
关键词: Detector 、 Ultrasonic motor 、 Acoustics 、 Electrode 、 Piezoelectricity 、 Frequency band 、 Materials science
摘要: Based upon the output signals from two detector electrodes provided in positions which differ those of input on a piezoelectric transducer element, it is detected what order resonance frequency band drive an ultrasonic motor included, and controlled so as to be within predetermined band. Further, for switched over any one several bands, and, based has been to.
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