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MATHEMATICAL MODEL AND SOFTWARE SIMULATION OF SUSPENSION'S SYSTEM FROM OPEL CARS

10.15660/AUOFMTE.2014-3.3073

Roman Lucian

Volume XXIII (XIII), 2014/3

For increasing the reliability of the suspension system we propose an optimal design solution based on evolutionary algorithms, that finds parameters of stability and comfort under different exploiting conditions, minimizing the discomfort during movement on uneven roads. We described the mathematical model followed by C# software implementation of the quarter-car suspension model with twodegrees-of-freedom customizing on OPEL cars. Our Genetic Algorithm proposes finding the optimal values for coefficients of stiffness and damping of sprung body, in order to minimize the maximum bouncing acceleration of the sprung mass and minimize the average suspension displacement. This work has the merit that successfully combines a number of different scientific fields such as Computer Science (Artificial Intelligence, Programming Languages, and Distributed Computing), Mathematics (Differential Equations), Transportation Engineering (Vehicle Design), Mechanical Engineering (Vibrations) to solve a real problem, even critical in Romania, characterized by a developing infrastructure and poor quality roads.

Keyword: Differential Equations System, Quarter-Car Model, Software Application, Suspension System

ISSN 1583-0691, CNCSIS "Clasa B+"