Provided in one embodiment is a sensing device comprising a stator including a stator tooth, and a rotor including a magnet, wherein the stator tooth includes a first stator tooth and a second stator tooth arranged in the first stator tooth, the first stator tooth includes a plurality of first teeth, second stator tooth includes a plurality of second teeth, and the first teeth overlap with the second teeth in the radial direction from the center of the stator, the sensing device further comprising a first sensor and a collector arranged between the first stator tooth and the second stator tooth in the radial direction, wherein the collector includes a first collector and a second collector arranged in the first collector, the first sensor is arranged between the ring-shaped first collector and the ring-shaped second collector in the radial direction, the first collector and the second collector respectively include a body arranged to face the first sensor, and an extending part that extends from the body, the extending part includes a protrusion part protruding from one side edge of the extending part in the axial direction, and the protrusion part includes areas that differ in width in the circumferential direction.

Embodiments of the present disclosure may provide an electric power steering apparatus that controls the vehicle regardless of the driver's will to steer, even in the case of a truck or a bus requiring a relatively large steering force compared to a passenger car. Embodiments of the present disclosure may provide an electric power steering apparatus that can increase the convenience of the driver by enabling additional functions such as automatic parking, lane maintenance, driving assistance according to road surface conditions, and autonomous driving control to be used. Embodiments of the present disclosure may provide an electric power steering apparatus in which steering is stably performed even if one motor malfunctions or is damaged.

A steering holding judging apparatus for the vehicle including: at least two steering angle sensors to detect a steering angle; and a steering state judging section to calculate a hysteresis central value by using a hysteresis signal that sets a hysteresis width to the two steering angle sensor, judge a steering state using the hysteresis central value, and output provisional steering information, wherein a steering holding state is detected based on the provisional steering information, and the electric power steering apparatus equipped with the steering holding judging apparatus for the vehicle.

A power steering apparatus includes: a first detection element arranged to sense a rotation angle of the first gear based on a variation of a magnetic field generated by the first magnetic member; a second detection element arranged to sense a rotation angle of the second gear based on a variation of a magnetic field generated by the second magnetic member; an absolute steering angle calculating circuit configured to calculate an absolute steering angle of the steering wheel from an neutral position of the steering wheel at which the steered wheel directs in a straight direction, by a combination between the rotation angle of the first gear and the rotation angle of the second gear; and a control section configured to drive and control the electric motor based on the absolute steering angle.

An electric power steering system. The system includes a steering rack having a first end and a second end and at least one damper coupled to one of the first end and the second end. The system also includes an electronic controller configured to determine if the damper has been destroyed based upon a sensed steering angle being above a maximum steering angle threshold or based upon a received signal from an electrical circuit enclosed within the at least one damper.

The rollover prevention apparatus defines an adaptive steering range limiting device comprising a control unit and a pair of opposing unidirectional brake assemblies mounted to a steering column position detection disc. The rollover prevention apparatus prevents the steering wheel of the vehicle from being turned beyond the threshold of vehicle rollover, but otherwise does not restrict the rotational range of motion of the steering wheel of a vehicle.

According to embodiments of the present invention, the maximum rotation angle of a steering wheel can be easily changed, the steering feel provided to a driver can be enhanced by improved noise performance, and the durability of components can be improved.

In a steer-by-wire steering system for a vehicle, a control unit (16) controls an operation of a steering actuator to cause the steered angle of wheels to be in a prescribed relationship to a steering angle, and an operation of the reaction force actuator (15) including a pair of reaction force motors (14) to cause the reaction force to be a value (Tt) corresponding to a steered state of the wheels, wherein the control unit is provided with a failure detection unit (36) configured to detect failures of the reaction force motors, and upon detecting a failure of one of the reaction force motors, progressively reduce an output (Tta) of the other reaction motor to a prescribed limit value (TL).

An automatic steering control device includes a forward recognition device, a traveling state detector, a lateral positional deviation calculator, a steering angle controller. The lateral positional deviation calculator calculates a first lateral positional deviation that is the lateral positional deviation ahead of the vehicle by a first distance, and a second lateral positional deviation that is the lateral positional deviation ahead of the vehicle by a second distance larger than the first distance. The steering angle controller performs first control on the steering angle so that an absolute value of the first lateral positional deviation decreases, and second control on the steering angle based on the second lateral positional deviation so that a difference between a change amount of the steering angle in the first control and a change amount of an actual steered angle that is a steered angle of wheels of the vehicle decreases.

A steer-by-wire steering system for a vehicle includes a steering input device, a feedback actuator, and a steering assembly that can be connected to at least one steerable vehicle wheel. The steering assembly has a steering actuator device, a control device, and a feedback actuator monitoring device. The steer-by-wire steering system further has a synchronization monitoring device that is designed and configured, in at least one operating state of the steer-by-wire steering system, to determine a synchronization offset between a current position of the steering input device and a current position of the steering actuator device and/or of the at least one steerable vehicle wheel. The control device is further designed and configured, in at least one operating state of the steer-by-wire steering system, to further control the steering actuator device in accordance with the synchronization offset determined by the synchronization monitoring device.