A steer-by-wire steering system for a motorized vehicle includes a feedback actuator to simulate a steering feel to a steering device. The feedback actuator has an electric motor with a motor shaft connected to a driver input shaft to be able to transmit a torque. The motor shaft is able to be rotated in at least one rolling bearing. The rolling elements of the at least one rolling bearing are arranged in a magnetorheological fluid and the feedback actuator further includes an electromagnet to pass a magnetic field through said magnetorheological fluid for stiffening the fluid and restricting movement of the rolling element.
STEER-BY-WIRE STEERING SYSTEM OF A MOTOR VEHICLE WITH A FEEDBACK ACTUATOR HAVING AN INTEGRATED MRF BEARING
18.06.2020
Patent
Elektronische Ressource
Englisch
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