A steering device for a vehicle, the steering device including: a rack housing unit; a rack drive unit inserted into the rack housing unit and configured to be movable in an axial direction; a casing unit coupled to the rack housing unit; a rotary unit mounted in the casing unit and configured to engage with the rack drive unit and be rotatable; and a detection unit mounted on the casing unit and configured to measure a rotation of the rotary unit, thereby implementing a degree of shape freedom and simplifying an assembly structure.

A stroke sensor is provided with two disk-shaped rotors configured to rotate with a stroke of a measuring object, a rotation detecting unit that detects rotations of the two rotors, respectively, and a stroke position detecting unit that detects the stroke position of the measuring object based on the rotations of the two rotors detected by the rotation detecting unit. At least one of the two rotors is in direct contact with the measuring object. The two rotors are provided side by side in an arrangement direction perpendicular to an axial direction of the measuring object and are provided so as to be adjacent to the measuring object in an arrangement perpendicular direction perpendicular to the axial direction and the arrangement direction. Each of the two rotors is provided in such a manner that its rotation axis direction is inclined with respect to the arrangement direction.

The present embodiments relate to a vehicle control method and device capable of receiving sensed information generated by one or more sensors, determining a mode change intention of a driver for changing a mode for driving a vehicle based on the sensed information of the one or more sensors, setting a rack position control value for controlling a rack position using the sensed information of the one or more sensors in response to the mode change intention of the driver, determining a control limit value by comparing a difference between the rack position control value set using the sensed information and a rack position value expected in the changed mode with a threshold value, and changing the rack position control value based on the control limit value.

Electronic steering systems for vehicles are disclosed. An electronic steering system for a vehicle includes at least one rack having gear teeth, and a wheel sensor assembly configured to sense a movement or a position of the rack, wherein the wheel sensor assembly has a sensor gear meshed with the gear teeth of the rack and a sensor unit coupled to the sensor gear, wherein the sensor is to detect rotation of the sensor gear.

A steering gear apparatus for a steer-by-wire steering system of a motor vehicle has a sliding rod, which has a rack with a toothing, a gear section, which has a worm gear with a worm wheel and a drive pinion extending in an axial direction (A), a motor and a steering angle sensor. The motor is connected here to the drive pinion via the worm gear so as to transmit torque, and the drive pinion is in toothed engagement with the toothing. The steering angle sensor is coupled here to the drive pinion, in particular so as to transmit torque.

A steering angle sensor device (12) in a steering system (10) of a motor vehicle has a rotation angle sensor (34) which is connected to a gear (30) via a shaft (28) and detects a rotation of the gear (30), wherein the gear (30) is designed to mesh with a thread (20) on a steering rod (14). The steering angle sensor device (12) is designed as a pre-assembled unit with its own outer housing (24) to be mounted on a steering housing (22), in which the rotation angle sensor (34), the shaft (28) and the gear (30) are received. In the steering system (10), the outer housing (24) of the steering angle sensor device (12) can be inserted into a sensor receptacle (26) in such a way that the gear (30) meshes with the thread (20) of the steering rod (14).

A steer-by-wire steering system for a motor vehicle, comprising: a steering rack for transmitting a steering movement to wheels of the motor vehicle, a steering motor for driving a steering movement, a steering gear having a steering angle pinion for transmitting the steering movement of the steering motor to the steering rack, a gear wheel coupled to the steering angle pinion for determining an initial position of the steering rack when the motor vehicle is started. The gear wheel is configured relative to the steering angle pinion and arranged inside the steer-by-wire steering system in such a way that the gear wheel covers a complete steering range of the steering rack when the steering rack is moved over the steering angle pinion.

A steer-by-wire steering system for a road vehicle includes a road wheel actuator to act on steerable wheels and electronically controlled as a function of a driver's steering request, a feedback actuator to transmit reactions of a road to a steering wheel, and a single steering wheel angle sensor to measure a steering wheel angle. The steering wheel angle sensor is an external sensor able to communicate on a second vehicle communication channel or via a private communication with the road wheel actuator. The steer-by-wire steering system also includes an external road wheel actuator position sensor to measure a position of the road wheel actuator and to communicate on the second vehicle communication channel or via the private communication with the road wheel actuator.

A ball screw drive for a vehicle steering system is provided, with the ball screw drive including a nut configured to receive torque from a power transmission drive. The nut has internal threads, and external threads are provided on the nut or connected thereto for rotation with the nut. A threaded spindle having a spindle thread is provided, with the threaded spindle being drivable by the internal threads of the nut such that rotary motion of the nut is translated into linear motion of the threaded spindle. A rotational angle sensor is provided having a sensor gear that is rotatably driven by the external threads of the nut, and the rotational angle sensor is configured to generate an electric signal based on a rotational position of the sensor gear.

A steering apparatus includes a steering wheel provided in a vehicle, a feedback motor including a rotation shaft connected to the steering wheel, an angle sensor configured to output an angle signal corresponding to rotation displacement of the steering wheel, a rack bar connected to a rotation shaft of the wheel provided in the vehicle, a steering motor including a rotation shaft connected to the rack bar, a position sensor configured to output a position signal corresponding to linear displacement of the rack bar assembly, and a processor configured to control the steering motor to linearly move the rack bar based on the angle signal, identify a rack force applied to the rack bar based on the position signal, and control the feedback motor to apply a feedback torque corresponding to the rack force applied to the rack bar to the steering wheel.