Abstract: The present disclosure relates to a method for determining a steering hysteresis requirement of a steering device of a vehicle, a steering system, a computer program product and a computer-readable storage medium. The steering device is part of a steering system of the vehicle and is coupled to at least one actuator. The actuator is set up to apply a steering torque to the steering device. The method comprises at least the step of determining the steering hysteresis requirement based on at least one rack force of the steering system. The steering hysteresis requirement forms at least a component of a target steering torque which can be applied to the steering device by the at least one actuator.

Abstract: The present disclosure relates to a method for determining a steering damping requirement of a steering device of a vehicle, a steering system, a computer program product and a computer-readable storage medium. The steering device is part of a steering system of the vehicle and is coupled to at least one actuator which is configured to apply a steering torque to the steering device. The method comprises at least the step of determining the steering damping requirement based on at least one rack force of the steering system, wherein the steering damping requirement forms at least a portion of a target steering torque with which the steering device can be acted upon by the at least one actuator.

Abstract: A steer-by-wire steering system (10) for a vehicle is specified, having a control element (12) that can be actuated by a driver for inputting a steering angle, an actuating mechanism (14) for setting a wheel setting angle, and a control unit (28) that is configured to output a characteristic map for the target value of a position of the actuating mechanism (14) based on a steering angle of the control element (12) and a vehicle speed. A nominal wheel setting angle (y) adjustable by the actuating mechanism (14) depends on a set steering angle and on a vehicle speed, wherein the maximum settable nominal wheel setting angle (ym,n) is limited depending on the vehicle speed, and wherein the control unit (28) is configured to calculate a vehicle trajectory based on a vehicle speed and a wheel setting angle and, in the event of a deviation of an actual vehicle trajectory from the calculated vehicle trajectory, to adjust the maximum settable nominal wheel setting angle (ym,n) based on the deviation.

Abstract: A method for operating an electromechanically assisted steering system of a motor vehicle is described. The steering system has a steering arrangement and at least one electromechanical actuator. The at least one electromechanical actuator is coupled to the steering arrangement in a torque-transmitting manner. The method comprises the following steps: acquiring a steering rack force signal that comprises information about a steering rack force acting on a steering rack of the steering system; acquiring a driver torque signal that comprises information about a driver torque exerted on the steering arrangement by the driver; ascertaining a filtered scaled steering rack force signal; and ascertaining a steering feedback torque for the at least one electromechanical actuator, based on the scaled steering rack force signal. A control device for an electromechanically assisted steering system of a motor vehicle, an electromechanically assisted steering system, and a computer program are also described.

Abstract: A steering column assembly for a motor vehicle has a bearing housing and a steering shaft which is mounted in the bearing housing, and an adjusting apparatus, by which the steering shaft can be adjusted. The adjusting apparatus has a drive with a drive element, a motor with a drive shaft, and a first flexible guide element which runs in a tensioned manner in a first tensioning direction between two first tensioning points. Here, furthermore, the drive element is wrapped around at least once without play by the first guide element and is coupled to it in a torque-transmitting manner such that the drive moves along the first guide element in or counter to the first tensioning direction when the drive shaft rotates in or counter to a rotational direction. Furthermore, a motor vehicle with a steering column assembly of this type is provided.

Abstract: A steer-by-wire steering system for a vehicle, with a driver-operable control element for steering angle input, an actuating mechanism for setting a wheel setting angle, and a control unit which is configured, on a basis of a steering angle of the control element and a vehicle speed, to output a map for the setpoint of a position of the actuating mechanism. A wheel setting angle is able to be set by the actuating mechanism depending on a set steering angle and on a vehicle speed. A maximum settable wheel setting angle and/or a maximum settable steering angle is limited depending on the vehicle speed. A method is also described for producing a map for the setpoint of a position of the actuating mechanism, for example of the wheel setting angle, in a steer-by-wire steering system.

Abstract: The disclosure relates to a steer-by-wire steering system for a vehicle and with a steering device, the steering device having a manual steering handle, a steering sensor system and a feedback actuator, and with a wheel positioning device, the wheel positioning device having a positioning actuator for steering at least one wheel, and with at least one control device, the control device electrically connecting the steering device and the wheel positioning device to one another, and with at least one acceleration sensor, the feedback actuator and the acceleration data acquired by the acceleration sensor being used to provide haptic feedback at the steering handle.

Abstract: A steer-by-wire steering system for a vehicle is described, with a driver-operable control element for steering angle input, an actuating mechanism for setting a wheel setting angle, and with a control unit which is configured, on the basis of a steering angle of the control element and a vehicle speed, to output a map for the setpoint of a position of the actuating mechanism. A defined maximum steering angle is assigned to a maximum wheel setting angle. A method is also described for producing a map for the setpoint of a position of the actuating mechanism in a steer-by-wire steering system.

Abstract: In a method for producing a haptic feedback force by setting a manual torque at a steering intention input device of a steering system of a motor vehicle, a first and a second rack force value are obtained from two different models. The rack force values originating from the two models are processed to form a quotient, which determines a feedback force value, by the second rack force value being modified by the quotient, and the feedback force value is transferred to a steering reference torque generator of the steering system, which sets the manual torque at the steering intention input device in dependence on the feedback force value.

Abstract: A steering column assembly for a motor vehicle has a bearing housing and a steering shaft which is mounted in the bearing housing, and an adjusting apparatus, by which the steering shaft can be adjusted. The adjusting apparatus has a drive with a drive element, a motor with a drive shaft, and a first flexible guide element which runs in a tensioned manner in a first tensioning direction between two first tensioning points. Here, furthermore, the drive element is wrapped around at least once without play by the first guide element and is coupled to it in a torque-transmitting manner such that the drive moves along the first guide element in or counter to the first tensioning direction when the drive shaft rotates in or counter to a rotational direction. Furthermore, a motor vehicle with a steering column assembly of this type is provided.

Abstract: A method for operating an electromechanically assisted steering system of a motor vehicle is described. The steering system has a steering arrangement and at least one electromechanical actuator. The at least one electromechanical actuator is coupled to the steering arrangement in a torque-transmitting manner. The method comprises the following steps: acquiring a steering rack force signal that comprises information about a steering rack force acting on a steering rack of the steering system; acquiring a driver torque signal that comprises information about a driver torque exerted on the steering arrangement by the driver; ascertaining a filtered scaled steering rack force signal; and ascertaining a steering feedback torque for the at least one electromechanical actuator, based on the scaled steering rack force signal. A control device for an electromechanically assisted steering system of a motor vehicle, an electromechanically assisted steering system, and a computer program are also described.

Abstract: The present disclosure relates to a method for determining a steering damping requirement of a steering device of a vehicle, a steering system, a computer program product and a computer-readable storage medium. The steering device is part of a steering system of the vehicle and is coupled to at least one actuator which is configured to apply a steering torque to the steering device. The method comprises at least the step of determining the steering damping requirement based on at least one rack force of the steering system, wherein the steering damping requirement forms at least a portion of a target steering torque with which the steering device can be acted upon by the at least one actuator.

Abstract: The present disclosure relates to a method for determining a steering hysteresis requirement of a steering device of a vehicle, a steering system, a computer program product and a computer-readable storage medium. The steering device is part of a steering system of the vehicle and is coupled to at least one actuator. The actuator is set up to apply a steering torque to the steering device. The method comprises at least the step of determining the steering hysteresis requirement based on at least one rack force of the steering system. The steering hysteresis requirement forms at least a component of a target steering torque which can be applied to the steering device by the at least one actuator.

Abstract: The present disclosure relates to a method for determining a steering return moment requirement of a steering device of a vehicle, to a steering system, to a computer program product, and to a computer-readable storage medium. The steering device is part of a steering system of the vehicle, and is coupled to at least one actuator. The actuator is configured to apply a steering moment to the steering device. The method comprises at least the step of determining the steering return moment requirement based on at least one rack force of the steering system. The steering return moment requirement forms at least a portion of a target steering moment which can be applied to the steering device by the at least one actuator.

Abstract: A method of controlling an electric motor of a drive device of a power steering system, in which a temperature sensor senses the temperature of the drive device and transmits information about the temperature of the drive device to an evaluation unit, the evaluation unit estimates the temperature of a gearbox based on the temperature of the drive device, and, based on the estimated temperature of the gearbox, the evaluation unit adjusts a requested torque of the electric motor.

Abstract: A method of controlling an electric motor of a drive device of a power steering system, in which a temperature sensor senses the temperature of the drive device and transmits information about the temperature of the drive device to an evaluation unit, the evaluation unit estimates the temperature of a gearbox based on the temperature of the drive device, and, based on the estimated temperature of the gearbox, the evaluation unit adjusts a requested torque of the electric motor.