Driver torque measurement and steering angle measurement in torque overlay steering (TOS)

The invention relates to a method for determining a driver torque of a power steering assembly for electro-hydraulic power steering of a motor vehicle, the power steering assembly comprising: an input shaft for introducing a driver torque; an output shaft for driving the steering link; the torsion rod is arranged between the input shaft and the output shaft and is used for operating the rotary slide valve; an electric drive for electric steering assistance; and a control unit for actuating the electric drive, and wherein a sensor arrangement of the power steering arrangement determines an actual torque by means of the torsion bar for actuating the rotary spool, characterized in that the control unit determines a driver torque on the basis of the actual torque. 本发明涉及一种用于确定助力转向组件的驾驶员扭矩的方法，所述助力转向组件用于机动车的电动液压式助力转向，其中，所述助力转向组件包括：用于导入驾驶员扭矩的输入轴；用于驱动转向连杆的输出轴；和在输入轴与输出轴之间的、用于操纵转动滑阀的扭力杆；用于电转向辅助的电动驱动器；以及用于操控所述电动驱动器的控制单元，并且其中，所述助力转向组件的传感器组件借助用于操纵所述转动滑阀的所述扭力杆确定实际扭矩，其特征在于，所述控制单元基于所述实际扭矩确定驾驶员扭矩。