Abstract: The disclosure relates to a method for operating a steering system of a vehicle, in particular a motor vehicle, in which the steering system is designed as a steer-by-wire steering system having an at least partially fail-operational operating unit with at least one steering handle and with at least one feedback actuator that interacts with the steering handle, and having at least one wheel steering angle control element, which is operatively connected to the operating unit, for changing a steering angle of at least one vehicle wheel. The method includes changing a steering characteristic of the steering system in at least one operating state in which an initial error of the operating unit is ascertained, and modifying a steering feel in a controlled manner, in particular by means of a feedback actuator operation that is adapted to the initial error.

Abstract: Apparatus and method for damping a steering movement in an active steering system of a vehicle, wherein a variable is determined which characterizes a force acting from outside the vehicle on the steering movement of the active steering system or a moment acting from outside the vehicle on the steering movement of the active steering system that has an accelerating effect on the steering movement of the steering system. The speed of the steering movement is limited as a function of the variable. Vehicle comprising said apparatus.

Abstract: An apparatus for operating a motor vehicle, wherein the steering system comprises an actuatable steering handle and a steerable wheel, wherein the steering handle is mechanically decoupled from the wheel such that an actuation of the steering handle is independent from a steering of the wheel, wherein the steering handle is associated with a controllable steering handle actuator for generating a torque acting on the steering handle, and wherein the wheel is associated with a controllable wheel actuator for influencing a wheel steering angle of the wheel, with a computing device configured to control the steering handle actuator and the wheel actuator. The computing device is configured to specify a target manual torque (HMTarget) for the steering handle as a function of a target variable specified by a driving assistance system and to control the steering handle actuator as a function of the specified target manual torque (HMTarget).

Abstract: The disclosure relates to a method for influencing a movement of a steering control element of a steer-by-wire steering system in a vehicle, in particular a motor vehicle, in which method the steer-by-wire steering system comprises at least one feedback actuator for producing a steering resistance and/or a restoring torque acting on the steering control element. In at least one operating state in which the vehicle is stationary and is in a passive operating mode which is different from a normal driving operating mode, as a response to an external force acting on the steering control element, the steering resistance and/or the restoring torque of the feedback actuator are/is set and/or changed by means of a simulation function in such a way that a behavior of the steering control element which correlates with a bore torque and/or self-aligning torque is simulated.

Abstract: In a method for producing a steering sensation in a steering system, which includes a motor and a torsion bar which are connected to each other via a gearing, a torque of the motor and a torsion bar torque at the torsion bar are determined, a stepped-up motor torque is determined depending on the motor torque and on a transmission ratio and efficiency of the gearing, a friction torque is determined depending on a difference between the stepped-up motor torque and the torsion bar torque, a desired friction torque is determined depending on the friction torque, a desired motor torque is determined depending on the desired friction torque and the motor torque, and the motor is activated to produce the desired motor torque.

Abstract: The disclosure relates to a method for operating a steering system of a vehicle, in particular a motor vehicle. The steering system is designed as a steer-by-wire steering system and includes an operating unit, which has at least one steering handle and at least one feedback actuator that interacts with the steering handle, and at least one wheel steering angle control element, which is operatively connected to the operating unit, for changing the steering angle of at least one vehicle wheel. An operation of the feedback actuator is monitored using a monitoring function, and in at least one operating state in which a disturbance and/or a failure of the feedback actuator is ascertained using the monitoring function, a steering characteristic of the steering system is modified. A steering ratio between the operating unit and the wheel steering angle control element is modified in order to change the steering characteristic.

Abstract: A method for operating a steering system of a vehicle, which has a steer-by-wire steering system with (i) an operating unit having a steering handle and a feedback actuator that interacts with the steering handle, and (ii) at least one wheel steering angle control element, which is operatively connected to the operating unit, for changing a steering angle of at least one wheel, includes: monitoring an operation of the feedback actuator using a monitoring function; in an operating state in which disturbance and/or failure of the feedback actuator is ascertained, modifying a steering characteristic of the steering system; monitoring a driver target specification for the wheel steering angle control element using an additional monitoring function; and, when a dynamic of the driver target specification exceeds a threshold value in the operating state, ascertaining a compensation variable, which is used to modify the driver target specification to modify the steering characteristic.

Abstract: The disclosure relates to a method for operating a steering system of a vehicle, in particular a motor vehicle, in which the steering system is designed as a steer-by-wire steering system having an at least partially fail-operational operating unit with at least one steering handle and with at least one feedback actuator that interacts with the steering handle, and having at least one wheel steering angle control element, which is operatively connected to the operating unit, for changing a steering angle of at least one vehicle wheel. The method includes changing a steering characteristic of the steering system in at least one operating state in which an initial error of the operating unit is ascertained, and modifying a steering feel in a controlled manner, in particular by means of a feedback actuator operation that is adapted to the initial error.

Abstract: A method is for compensating an oscillation in a steering system of a vehicle without a mechanical connection between a control unit of the steering system and the steered wheels. A speed of the vehicle is determined. As a function of the speed, an estimated frequency and an estimated bandwidth of the oscillation are determined. A signal characterizing an estimated or measured force or an estimated or measured torque on a toothed rod or tie rod of the steering system is estimated. The oscillation in the signal is compensated as a function of the estimated frequency and the estimated bandwidth.

Abstract: A method is for operating a steering system, more particularly a steer-by-wire steering system. The steering system includes at least one wheel steering angle control element which is provided to influence and/or change a wheel steering angle of at least one vehicle wheel depending on a target specification signal correlated with a steering specification. The wheel steering angle control element has a limited maximum wheel steering angle control range for changing the wheel steering angle, and the target specification signal is limited by a saturation to the maximum wheel steering angle control range. The target specification signal is modified in such a manner that the, more particularly modified, target specification signal has a constant and differentiable curve at least in an edge range of the wheel steering angle control range.

Abstract: Apparatus and method for damping a steering movement in an active steering system of a vehicle, wherein a variable is determined which characterizes a force acting from outside the vehicle on the steering movement of the active steering system or a moment acting from outside the vehicle on the steering movement of the active steering system that has an accelerating effect on the steering movement of the steering system. The speed of the steering movement is limited as a function of the variable. Vehicle comprising said apparatus.

Abstract: In a vehicle, apparatus, and method for damping a steering system, which is assisted by a motor of the vehicle, and in which the motor assists a driver of the vehicle in moving a toothed rack of the steering system in a motor mode of the motor and the motor is rotated in a generator mode of the motor by a movement of the toothed rack, a speed of the motor is determined. The damping is performed if the speed exceeds a first threshold value and the motor is operating as a generator, and the damping is suppressed if the motor is operating as a motor or the speed falls below the first threshold value or a second threshold value.

Abstract: An apparatus for operating a motor vehicle, wherein the steering system comprises an actuatable steering handle and a steerable wheel, wherein the steering handle is mechanically decoupled from the wheel such that an actuation of the steering handle is independent from a steering of the wheel, wherein the steering handle is associated with a controllable steering handle actuator for generating a torque acting on the steering handle, and wherein the wheel is associated with a controllable wheel actuator for influencing a wheel steering angle of the wheel, with a computing device configured to control the steering handle actuator and the wheel actuator. The computing device is configured to specify a target manual torque (HMTarget) for the steering handle as a function of a target variable specified by a driving assistance system and to control the steering handle actuator as a function of the specified target manual torque (HMTarget).

Abstract: The disclosure relates to a method for influencing a movement of a steering control element of a steer-by-wire steering system in a vehicle in particular a motor vehicle, in which method the steer-by-wire steering system comprises at least one feedback actuator for producing a steering resistance and/or a restoring torque acting on the steering control element In at least one operating state in which the vehicle is stationary and is in a passive operating mode which is different from a normal driving operating mode, as a response to an external force acting on the steering control element the steering resistance and/or the restoring torque of the feedback actuator are/is set and/or changed by means of a simulation function in such a way that a behavior of the steering control element which correlates with a bore torque and/or self-aligning torque is simulated.

Abstract: A method is for operating a steering system, more particularly a steer-by-wire steering system. The steering system includes at least one wheel steering angle control element which is provided to influence and/or change a wheel steering angle of at least one vehicle wheel depending on a target specification signal correlated with a steering specification. The wheel steering angle control element has a limited maximum wheel steering angle control range for changing the wheel steering angle, and the target specification signal is limited by a saturation to the maximum wheel steering angle control range. The target specification signal is modified in such a manner that the, more particularly modified, target specification signal has a constant and differentiable curve at least in an edge range of the wheel steering angle control range.

Abstract: A method for adapting the steering feel for a driver of a vehicle at an input element of the vehicle is described. The vehicle has a steer-by-wire steering system. The method comprises creating a reference of the steering feel. The method further comprises selecting scaling factors for the reference model such that characteristics of the steering feel remain constant for different steering ratios. The method further comprises adapting the steering feel using the scaling factors.

Abstract: The disclosure relates to a method for operating a steering system for a motor vehicle, which steering system has, on the one hand, a steering handle which can be operated by a driver of the motor vehicle, and a hand torque adjuster which is assigned to the steering handle and is designed to apply a damper force, counteracting the operation by the driver, to the steering handle, and, on the other hand, a wheel angle adjuster which is coupled to at least one steerable wheel of the motor vehicle and which is electrically actuated as a function of operation of the steering handle in order to set a steering angle of the at least one wheel. There is provision that the damper force is generated by the manual torque adjuster as a function of a current performance of the wheel angle adjuster.

Abstract: The disclosure relates to a method for adapting the steering feel for a driver of a vehicle at an input element of the vehicle, wherein the vehicle has a steer-by-wire steering system, said method comprising the following steps: creating a reference of the steering feel and adapting the steering feel via scaling factors.

Abstract: The disclosure relates to a method for operating a steering system for a motor vehicle, which steering system has, on the one hand, a steering handle which can be operated by a driver of the motor vehicle, and a hand torque adjuster which is assigned to the steering handle and is designed to apply a damper force, counteracting the operation by the driver, to the steering handle, and, on the other hand, a wheel angle adjuster which is coupled to at least one steerable wheel of the motor vehicle and which is electrically actuated as a function of operation of the steering handle in order to set a steering angle of the at least one wheel. There is provision that the damper force is generated by the manual torque adjuster as a function of a current performance of the wheel angle adjuster.

Abstract: A method for remotely controlling a motor vehicle, wherein the motor vehicle comprises a steering system and a drive train, which can both be electronically actuated by control means of the motor vehicle and by way of which the motor vehicle can be driven automatically. The control means of the motor vehicle have a wireless communication link to the touchscreen device so that automatic driving of the motor vehicle can be remotely controlled by way of the touchscreen device.