Perfect Equilibrators for Rigid Body Spatial Rotations About a Hooke’s Joint

[+] Author and Article Information
D. A. Streit, H. Chung, B. J. Gilmore

Department of Mechanical Engineering, The Pennsylvania State University, University Park, PA 16802

J. Mech. Des 113(4), 500-507 (Dec 01, 1991) (8 pages) doi:10.1115/1.2912811 History: Received June 01, 1990; Revised August 01, 1990; Online June 02, 2008


Perfect spring equilibrator designs are identified which eliminate the effects of gravity on spatial rotations of a rigid body. The rigid body is connected to ground via a Hooke’s joint and all possible one and two zero-free-length spring equilibrator designs are identified. A general design procedure for n-spring equilibrators is also discussed.

Copyright © 1991 by The American Society of Mechanical Engineers
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