Virtual validation of the steering system performance in over-steerable driver assistance interventions

Advanced driver assistance systems for lateral guidance such as the lane keeping assistant can be found in more and more vehicles today. They offer the driver comfortable lateral guidance in everyday situations and intervene if the driver is inattentive. To be able to do this, the steering system, as the central lateral control actuator in the vehicle, must always provide optimum performance. The steering system must guide the vehicle independently with little driver interaction, but at the same time it must be possible for the driver to over-steer the system at any time. To ensure this in the complex requirements landscape of current vehicle development, virtual methods are an essential tool. In this context, this article presents a method for the virtual validation of steering system performance with over-steerable driver assistance interventions. In addition to suitable driving scenarios, objective parameters are defined that allow an effective evaluation. Unintended changes can thus be quickly identified and influences on the development process can be avoided. © 2023 The Authors.