A General Method of Four-Bar Linkage Mobility Analysis

Author:

Angeles J.1,Bernier A.1

Affiliation:

1. Department of Mechanical Engineering and Robotic Mechanical Systems Laboratory—McRCIM, McGill University, 817 Sherbrooke St. W., Montreal, Quebec, Canada H3A 2K6

Abstract

The problem of mobility associated with four-bar linkages is addressed in this paper. The mobility analysis is reduced to finding the global extrema of a quadratic function on a cylinder, which then leads to the geometric problem of finding the intersections of a circle and a hyperbola. The method proposed here produces an efficient mobility analysis that can be readily integrated into any suitable optimization algorithm.

Publisher

ASME International

Subject

General Engineering

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