The Electric Power Steering System Single Pinion Servo Unit (EPSp) controls and assists the vehicle steering and offers an excellent steering feel. The new generation of steering control unit (electro motor and electric control unit) provides additional security in case of a failure.
supported by an ASIL D compliant Steering Control Unit technology
steering rack force
compared to a hydraulic powered steering
In the EPSp variant the torque from the driver and the torque of the servo unit is transmitted to the rack by a pinion. The electro motor of the servo unit converts the torque via the robust worm gear to the pinion. A special damping modul is used for an optimal suspension of the torque in every driving situation. This design enables best possible usage of the packaging space.
With the new modular built steering control unit (electric control unit with electro motor) the EPS supports also driver assistance functions. It is thereby protected for cyber attacks, software updates are transmitted with the „over the air“ technology.
Worm gear
Spring-damper modul
Worm
Bearing bush
Sensor
Pinion
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