Motion Conversion by Means of Perturbation of Elastic Field

[+] Author and Article Information
Huang Da Xu

Shanghai Institute of Mechanical and Electrical Engineering, Shanghai 200002, China

J. Mech. Des 116(1), 232-237 (Mar 01, 1994) (6 pages) doi:10.1115/1.2919353 History: Received November 01, 1988; Online June 02, 2008


In this paper a new principle of motion conversion is described. Mechanisms based on this principle are used to convert variable low amplitude oscillatory motions into smooth continuous rotary or straight line motions. Application of this principle to implement a high performance piezoelectric motor is described together with some variations. The working cycle of the piezoelectric actuators in the piezoelectric motor is analyzed showing energy density of the actuators on an order of magnitude higher than in conventional use. Another application to implement a torque-limited speed-reducer is also described.

Copyright © 1994 by The American Society of Mechanical Engineers
Topics: Motion
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