Dynamics of the macpherson strut motor-vehicle suspension system in point and joint coordinates |
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Authors: | Email author" target="_blank">Hazem?Ali?AttiaEmail author |
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Affiliation: | (1) Department of Mathematics, College of Science, King Saud University (Al-Qasseem Branch), P.O. Box 237, 81999 Buraidah, Kingdom of Saudi Arabia |
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Abstract: | In this paper the dynamic analysis of the Macpherson strut motor-vehicle suspension system is presented. The equations of
motion are formulated using a two-step transformation. Initially, the equations of motion are derived for a dynamically equivalent
constrained system of particles that replaces the rigid bodies by applying Newton’s second law. The equations of motion are
then transformed to a reduced set in terms of the relative joint variables. Use of both Cartesian and joint variables produces
an efficient set of equations without loss of generality. For open chains, this process automatically eliminates all of the
non-working constraint forces and leads to an efficient solution and integration of the equations of motion. For closed loops,
suitable joints should be cut and few cut-joints constraint equations should be included for each closed chain. The chosen
suspension includes open and closed loops with quarter-car model. The results of the simulation indicate the simplicity and
generality of the dynamic formulation. |
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Keywords: | Dynamic analysis Suspension System Vehicle Simulation Equations of Motion Macpherson Strut |
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