An Elastic Suspension Design Framework for Tuned Gyroscopes

[+] Author and Article Information
Yu-Neng Yang, Wei-Hua Chieng

Department of Mechanical Engineering, National Chiao-Tung University, Hsin-Chu, Taiwan 30049, Republic of China

J. Mech. Des 119(1), 81-87 (Mar 01, 1997) (7 pages) doi:10.1115/1.2828792 History: Received April 01, 1995; Revised August 01, 1996; Online January 18, 2008


This paper presents a design for a new tuned gyroscope framework consisting of a heavy rotor supported by a heli-flex suspension. Inherently free of 2ω drift-error, the gyro can be precisely tuned by adjusting pre-extension between two ends of its helix. The symmetrical support structure of this isotropic helical suspension design significantly reduces error moment caused by linear acceleration, and the device eliminates G2 drift by virtue of its desirable anisoelasticity characteristic. The gyro design is simple, highly manufacturable, and when appropriate suspension parameters are used, produces a long-term drift-rate of 0.01 deg./hr.

Copyright © 1997 by The American Society of Mechanical Engineers
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