The Transmissivity and Manipulability of Spatial Mechanisms

[+] Author and Article Information
M. J. Tsai, H. W. Lee

Department of Mechanical Engineering, National Cheng Kung University, Tainan, Taiwan 70101, R. O. C.

J. Mech. Des 116(1), 137-143 (Mar 01, 1994) (7 pages) doi:10.1115/1.2919337 History: Received March 01, 1992; Online June 02, 2008


A method of evaluating the transmission performance for spatial mechanisms is developed using the reciprocity of screws. The actual transmission performance of a spatial mechanism should be composed of two parts: the ability of the output that can be effectively generated by the mechanism is called the “transmissivity,” and the ability of the input that can be effectively absorbed into the rest part of the mechanism is called the “manipulability.” A more generalized index for the overall transmission performance of spatial mechanisms is then defined and illustrated by some spatial four-link mechanisms.

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