We have expanded our portfolio of steering models, allowing us to offer the right model for every scenario. The level of detail in the model can be adjusted to suit individual requirements, so that the modeling is only as precise as necessary.
A static steering model is completely adequate for virtual test driving when testing a system where steering is not the focus, for example an advanced driver assistance system such as the emergency brake assistant. In such cases, the steering-wheel angle is transferred to the steering angle of the wheels using a simple ratio or curve.
However, if more demanding requirements are placed on the steering model, the static steering model can be supplemented with individual parameters and thereby expanded to better reflect certain influential factors. This allows factors such as inertia or mass to be mapped in the dynamic steering model. This model also makes it possible to create a representation of electric power steering (EPS).
While both of these models have been available for the entire CarMaker product family, a detailed mechanical steering model was previously only available for passenger vehicles. The Pfeffer steering model included in CarMaker facilitates the detailed modeling of steering. The individual components, such as the steering wheel, steering rack or gear rack, can be precisely defined, making it possible to implement even complex steering tests.
Similar to the Pfeffer steering model, IPG Automotive now offers a detailed steering model for trucks and other heavy vehicles in TruckMaker. As the new steering model is not based on the customary steering gearbox for a passenger vehicle, but instead, includes a recirculating ball steering of the sort used in heavy vehicles, it is able to take mechanical differences between the different vehicle classes into consideration. This steering model also takes the individual steering components into account, which means that detailed steering modeling for trucks and heavy vehicles can now also be carried out with TruckMaker. The new steering model was redeveloped from the ground up in collaboration with customers. The model has been validated and is already successfully in operation.