Four-Bar Linkage Design Using Global Optimization Approach

DS 30: Proceedings of DESIGN 2002, the 7th International Design Conference, Dubrovnik

Year: 2002
Editor: Marjanovic D.
Author: Krašna, S.; Ciglaric, I.; Prebil, I.
Section: Analysis Technologies
Page(s): 1199-1204


The paper discusses optimal synthesis of the four-bar mechanism. The general optimization problem is addressed in the form of nonlinear programming problem. The objective of this approach is to determine the optimal values of the mechanism link lengths, to minimize the hinge loads, while the difference between the prescribed trajectory and the trajectory of the arbitrary point on the mechanism coupler link has to remain within the prescribed range. A global optimization method is used in order to find the global optimal solution. The procedure uses the Adaptive Grid Refinement algorithm.

Keywords: four-bar linkages, mechanism synthesis, optimization algorithms


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