2012•Advanced materials researchOpen access

Suspension Optimization Based on Ride Comfort and Road-Friendly

Xian Yue Gang, Wen Bo Zhu

Abstract

In order to analyze suspension’ impact on vehicle ride comfort and road-friendly and the way to chose reasonable suspension parameters，a two DOF suspension model was established. Taking RMS of sprung mass acceleration and dynamic load of unsprung mass, a multi-objective suspension parameters optimization model was carried out by optimal points method. After the optimization，the RMS of body decreases by 36.24%,and the RMS of dynamic load decreases by 17.71%.As is stated above, optimal suspension parameters can improve the ride comfort as well as road-friendly.

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Key concepts: Suspension (topology), Sprung mass, Automotive engineering, Acceleration, Environmentally friendly, Engineering, Structural engineering, Mathematics