A method for estimating torsion bar torque includes receiving, from a first sensor, a handwheel position value indicating a position of a handwheel of a steering system and receiving, from a second sensor, a motor position value indicating a position of a motor of the steering system. The method also includes estimating a torsion bar torque value using the handwheel position value and the motor position value.

The disclosure relates to a detection unit for detecting an exceedance of a predefined maximum steering angle of a steering device, with a trigger unit and with a signal transmitting section, wherein, upon an exceedance of the predefined maximum steering angle, the trigger unit changes the signal transmitting section with respect to the transmission of a signal.

A steering control device includes: an absolute steering angle detecting unit configured to detect an absolute steering angle; and a current command value calculating unit configured to calculate a current command value corresponding to a target value of the motor torque output from the motor. The current command value calculating unit is configured to perform partial release control for decreasing a correction value of the current command value due to execution of the end contact relaxation control when a vehicle is tried to be turned at the time of execution of the end contact relaxation control. The current command value calculating unit is configured to stop the partial release control when the current command value which is calculated at the time of execution of the partial release control is a value which is not affected by decreasing the correction value based on execution of the partial release control.

A steer-by-wire assembly for a steering system in a vehicle is disclosed. The assembly includes a first shaft rotatable in response to a steering input, a second shaft adapted to rotate in response to rotation of the first shaft, a first gear (with a sensed element) that rotates in response to rotation of the first shaft, a second gear (with a sensed element) that rotates in response to rotation of the second shaft, a first sensing element adapted to sense the element carried by the first gear and provide an output associated with an angular position of the first gear, and a second sensing element adapted to sense the element carried by the second gear and provide an output associated with an angular position of the second gear. When the second shaft rotates relative to the first shaft, the outputs provide position and torque data associated with the steering input.

A disclosed vehicle control system provides control over complex vehicle functions including transmission shifting to enable differently abled drivers to operate a motor vehicle.

A steer-by-wire steering system for a vehicle comprises: a rotatable steering shaft; a driver-operated steering input member connected to the steering shaft; and first and second torque feedback motors having output shafts connected to the steering shaft and each being operable to apply either a feedback torque or an offset torque to the steering shaft. The system further comprises: an angular position measuring arrangement for measuring the angular position of the steering shaft; an angular acceleration determination arrangement for determining the angular acceleration of the steering shaft; an envelope determination arrangement for establishing or determining an envelope of the measured or calculated angular acceleration of the steering shaft; a magnitude determination arrangement for determining the magnitude of the offset torque to be applied by the motors as a function of the envelope of the angular acceleration of the steering shaft, as modified by a scaling factor whereby a maximum defined offset torque is applied at a maximum defined amplitude and angular acceleration of the steering shaft.

An apparatus of assisting lane following by considering a time delay for a front wheel steering angle, in association with parking, and a method for the same are provided. The apparatus obtains surrounding information of a vehicle, determines a target route, based on the obtained surrounding information and a target front wheel steering angle based on the target route, determines a target handle steering angle depending on the target route, based on the target front wheel steering angle, while considering a time delay of a steering system of the vehicle, and performs a lane following assist control operation to follow the target route, based on the target handle steering angle.

Disclosed are structures of a torque sensor and of an angle sensor for a vehicular steering angle sensing devise. An embodiment of the present invention provides a torque sensor module comprising: a rotor holder, which has a hollow interior; a yoke member coupled along the outer peripheral surface of the rotor holder; and a first magnet coupled so as to contact the outer peripheral surface of the yoke member, wherein the torque sensor module comprises a supporting/coupling portion, which extends from the upper surface of the rotor holder, and which contacts the upper surfaces of the yoke member and of the first magnet, respectively.

A rotation angle detection device of the present disclosure includes, a rotating body having a cylinder and configured to rotate with rotation of a rotating shaft coupled to an inside of the cylinder, an engagement protrusion provided inside of the cylinder of the rotating body and protruding in a first direction serving as a direction in which the rotating shaft extends, an elastic member mounted to the engagement protrusion and having an elastic holding part, a case having a rotation supporting part that rotatably supports the rotating body, and a rotation angle detector configured to detect a rotation angle of the rotating body. A predetermined gap is provided between the rotation supporting part of the case and an outer periphery of the cylinder of the rotating body. A fitting part protruding in a second direction perpendicular to the first direction is formed on an outer periphery of the engagement protrusion. The elastic member is mounted to the engagement protrusion so that the elastic holding part can be elastically deformed in a rotating direction of the fitting part.

A method of controlling a work vehicle including a steering cylinder operating a steering wheel by hydraulic oil supplied thereto, a steering member receiving an input for operating the steering wheel, and a steering valve unit which is connected to the steering member and supplies the hydraulic oil to the steering cylinder, the method includes: obtaining a speed of the work vehicle and a steering angle of the steering wheel; and decreasing a correction factor for correcting a deviation amount of actual steering angle information of the steering wheel with respect to target information as information on a target steering angle of the steering wheel with respect to an operation amount of the steering member when the speed of the work vehicle increases in a case where the steering angle of the steering wheel obtained based on the steering angle is in a predetermined range from a neutral position.