Abstract
The interaction of the vehicle and steering system is important to evaluate the vehicle on-centre handling. To analyse the vehicle and steering system dynamics at small steering wheel angle inputs a methodological approach to validate a simulation model is developed in this paper. The presented model is focused on the description of the major on-centre handling phenomena and characteristics. For the validation of the model adjusted test manouevres and a certain procedure to achieve highly reproducible measurement data are described. Due to the collected measurement data it is possible to describe the vehicle on-centre behaviour and to validate the overall model in a phased manner and more exactly. The results show the importance of the steering system characteristics and its influence on the on-centre handling regarding small steering wheel angles at low frequencies. Next to the steering system friction and elasticity the influence of the vehicle and steering system hysteresis loop is presented.
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