A steering control device is configured to execute a torque control process, a feedback amount calculation process, and an automatic control calculation process. The torque control process is a process of controlling torque of the motor according to a value of a required torque variable. The required torque variable is a variable that indicates a target value for the torque of the motor. The feedback amount calculation process is a process of calculating a value of the required torque variable in order to control steering torque to target steering torque through feedback control.

A system for guiding a vehicle includes first and second operating elements, which are configured to influence a wheel steering angle of the vehicle and are not mechanically coupled to one another. A target steering angle is determined as a function of a sum of steering torques, which is dependent on a target steering torque and actual steering torques of the first and of the second operating elements. The first and second actual steering angles are adjusted as a function of the target steering angles in the respective first and second operating elements. A target wheel steering angle is determined as a function of the target steering angle, wherein the sum of steering angles includes two summands dependent on the first actual steering angle and the second actual steering angle, respectively. The wheel steering angle is adjusted as a function of the target wheel steering angle.

A steering control device includes a steering control unit configured to control an actual steering angle of the steering member by controlling a steering output torque output from the steering actuator, and a turning control unit configured to control an actual turning angle of the turning tire by controlling a turning output torque output from the turning actuator. The turning control unit is configured to perform a gradual reduction control to gradually decrease the turning output torque during a linked control in which the steering control unit controls the actual steering angle in conjunction with the actual turning angle in response to a stop instruction. The turning control unit and the steering control unit are configured to cut energization to the turning actuator and the steering actuator after the gradual reduction control.

A tandem roller for compacting an underlying ground, comprising a machine frame supported by a front compaction drum and a rear compaction drum. The rear compaction drum is spaced apart from the front compaction drum in a longitudinal machine direction, and an operator platform with a driver's seat. The driver's seat is displaceable by an adjusting device from an operating position at a center of the operator platform with respect to a horizontal extension of the operator platform transverse to a forward direction in a direction of at least one side of the tandem roller transversely to the longitudinal machine direction to at least one defined first operating position and in the same direction to the side to at least one defined second operating position, the defined second operating position being spaced farther apart from the center of the operator platform than the defined first operating position.

A control element for use, for example with a vehicle is disclosed. The control element includes at least one tubular section with a cavity at least partially surrounded by a wall, and a piezoelectric component. The piezoelectric component is arranged in the cavity and generates a haptic signal at at least one partial region of the control element and/or detects the action of pressure on at least one part of the piezoelectric component. Furthermore, the vehicle with the control element is also specified.