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Analysis of the non-wishbone mechanism in a vehicle wheel suspension

Kwietniewski Marek, Bil Tadeusz

Journal of Theoretical and Applied Mechanics

2020

Vol. 58 nr 1

109--115

A suspension of the MacPherson strut type is one of the most frequently used suspension systems in passenger cars. A compact structure is an advantage of this type of suspension. A change to the steering angle and camber as a result of shock absorption is a disadvantage. These changes have an impact on driving safety. This article presents a new solution of the vehicle suspension including its analysis. This suspension possesses the advantages of the MacPherson strut which is a compact and simple structure. In the suspension proposed, the steering angle change being the result of shock absorption has been totally eliminated.

Kinematic and dynamic analysis for a new MacPherson strut suspension system

Dehbari S., Marzbanrad J.

Mechanics and Mechanical Engineering

2018

Vol. 22, nr 4

1223--1238

The present paper undertakes kinematic and dynamic analysis of front suspension system. The investigated model is a full-scale Macpherson which is a multibody system. Two degree of freedom model is considered here to illustrate the vertical displacement of sprung mass and unsprung mass with using displacement matrix. Ride and handling parameters including displacement of sprung and unsprung masses, camber/caster angle, and track changes are derived from the relationships. Moreover, geometrical model and equations are validated by Adams/Car software. The kinematic and dynamic results have been compared in both analytical and numerical outputs for verification. The proposed analytical model shows less than 5% differences with a complicated multibody model.