文档介绍：Mechanism and Machine Theory 44 (2009) 1338–1347
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Mechanism and Machine Theory
journal homepage: ate/mechmt
Determination of plete set of shaking force and shaking
moment balanced planar four-bar linkages
Brian Moore a,*, Josef Schicho a, Clément M. Gosselin b
a Johann Radon Institute putational and Applied Mathematics (RICAM), Austrian Academy of Sciences, Altenbergerstrasse 69, A-4040 Linz, Austria
b Département de Génie Mécanique, Université Laval, 1065 avenue de la Médecine, Québec, Québec, Canada G1V 0A6
article info abstract
Article history: A mechanism is said to be force balanced if, for any arbitrary motion, it does not apply reac-
Received 3 July 2007 tion forces on the base. Moreover, if it does not apply torques on the base, the mechanism
Received in revised form 13 May 2008 is said to be moment balanced or dynamically balanced. In this paper, a new method to
Accepted 19 October 2008
determine plete set of force and moment balanced planar four-bar linkages is pre-
Available online 9 December 2008
sented. plex variables to model the kinematics of the linkage, the force and
moment balancing constraints are written as algebraic equations plex variables
and joint angular velocities. Using polynomial division, necessary and sufficient conditions
Keywords:
for the balancing of planar four-bar linkages are