2006•Journal of Shaanxi Normal UniversityRequires access

Study on resonance frequency of the longitudinal-torsional ultrasonic motor by prestress

Jianzhong Guo

Abstract

The infuence on resonance frequencies of longitudinal-torsional ultrasonic motor exerted by prestress is studied.The coordinative mechanism of prestress and longitudinal-torsional ultrasonic transducer′s output is analyzed through the motion of longitudinal-torsional ultrasonic motor.The changing basis of the relations between prestress and its resonance frequency has been found.Experiment results show that the measured resonance frequencies are in good agreement with the theory.

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Key concepts: Ultrasonic motor, Resonance (particle physics), Ultrasonic sensor, Acoustics, Materials science, Transducer, Nuclear magnetic resonance, Physics