2007•Small & Special Electrical MachinesRequires access

Design of a Miniature Cylindrical Ultrasonic Motor with FEA Analysis

Hua Zhang

Abstract

Research on rod-type miniature piezoelectric ultrasonic motor was briefly reviewed in this paper.A new rod-type miniature piezoelectric ultrasonic motor based on free-shaft-fixed bending vibration mode with improved construction design was introduced in detail.The motor's vibration modes and driving mechanism were explained using the finite-element method.The vibration mode of motor stator,effects of slots on stator,position of piezoelectric plate and mode merge were investigated and simulation results were listed.

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Available abstract

Key concepts: Ultrasonic motor, Stator, Finite element method, Vibration, Piezoelectricity, Piezoelectric motor, Acoustics, Engineering