The invention relates to a steer-by-wire steering system (1) for a motorized vehicle comprising a feedback actuator (4) to simulate a steering feel to a steering device (5), wherein said feedback actuator (4) has an electric motor (11) with a motor shaft (12) connected to a driver input shaft (6) to be able to transmit a torque, wherein said motor shaft (12) is able to be rotated in at least one rolling bearing (20), characterized in that the rolling elements (23) of the at least one rolling bearing (202) are arranged in a magneto rheological fluid (27) and that the feedback actuator (4) further comprises means (24) to pass a magnetic field through said magnetorheological fluid (27) for stiffening said fluid and restricting movement of said rolling element (23).
本发明涉及一种用于机动车辆的线控转向系统(1),该线控转向系统(1)包括用以模拟转向装置(5)的转向感的反馈致动器(4),其中,所述反馈致动器(4)具有电动马达(11),该电动马达(11)具有连接至驾驶员输入轴(6)以能够传递扭矩的马达轴(12),其中,所述马达轴(12)能够在至少一个滚动轴承(20)中旋转,其特征在于,所述至少一个滚动轴承(202)的滚动元件(23)布置在磁流变流体(27)中,并且反馈致动器(4)还包括用以使磁场穿过所述磁流变流体(27)以使所述流体变硬并限制所述滚动元件(23)的运动的装置(24)。
Steer-by-wire steering system of motor vehicle with feedback actuator having integrated MRF bearing
机动车辆的具有带有集成MRF轴承的反馈致动器的线控转向系统
17.04.2020
Patent
Elektronische Ressource
Chinesisch
IPC: | B62D MOTOR VEHICLES , Motorfahrzeuge |
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