STEER-BY-WIRE STEERING SYSTEM FOR A VEHICLE AND METHOD FOR OPERATING A STEER-BY-WIRE STEERING SYSTEM

The invention relates to a steer-by-wire steering system for a vehicle, comprising a steering wheel unit, a wheel unit, and a communication link between the steering wheel unit and the wheel unit, wherein the steering wheel unit has a steering wheel angle sensor for capturing a steering wheel angle of a steering wheel, a steering wheel actuator for setting a steering wheel target torque on the steering wheel, and a steering wheel controller for actuating the steering wheel actuator, and wherein the wheel unit has a steering sensor for capturing at least one actual steering value, at least onewheel actuator for setting a target steering value, and a wheel controller for actuating the wheel actuator, wherein the wheel controller is furthermore designed to calculate a virtual torsion rod torque based on the target steering value and the actual steering value, and to actuate the wheel actuator based on the calculated virtual torsion rod torque and to transfer the calculated virtual torsion rod torque to the steer