An analysis of the active safety of a passenger car body during car use

Abstract

Passenger car bodies made nowadays are most often self-bearing constructions. This is the reason why a change in the parameters of a car body during its use also affects other sets of component parts, which are attached to it. While a passenger car is driven, the car body is exposed to various factors which can cause sudden damage or gradual wear of the car’s technical condition. This paper contains an analysis of the influence of changes in the geometry of a car body on changes in the geometry of wheels. The study was carried out on C-segment cars produced by the same manufacturer. While making an assessment of the car body’s geometry, the location of base points on the floor pan and the upper parts of the car bodywork, within the motor chamber, etc. was assayed. All vehicles were constructed on the same floor pan. Measurements were performed with a Gysmeter made by the company Gys and supported by Autorobot Datasheet software, while the geometry of wheels was measured with a computerised laser device Autoboss A-860. Camber, castor and steering axis inclination were some of the wheel geometry parameters measured in our study.