Computer-Aided Dynamic Force Analysis of Four-Bar Planar Mechanisms
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Date
2004-11
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Addis Ababa University
Abstract
The four-bar linkage is the most basic chain of pin-connected links that allows
relative motion between links. Although a simple mechanism, the four-bar linkage
mechanism is very versatile and used in thousands of applications.
The main themes of this thesis are the modeling, computer-aided dynamic force analysis
and simulation of four-bar planar mechanisms composed of rigid bodies and massless
force and torque producing elements. Motions of the rigid bodies are predicted by
numerically integrating Differential-Algebraic Equations (DAEs) developed from
principles of mechanics by using the Newton-Euler’s approach. The computer program
used for solving the equations developed in the analysis problem and that integrates the
differential equations is Matlab.
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Applied Mechanics stream