Mando William USPTO patents

Provided is a reducer of an electric power steering apparatus.

An electronic control suspension system for a vehicle is proposed.

Provided is an electronic brake system including: a reservoir in which a pressurizing medium is stored; a master cylinder configured to discharge the pressurizing medium according to a pedal effort of a brake pedal; a hydraulic pressure supply device configured to operate a hydraulic piston according to an electrical signal output in response to a displacement of the brake pedal to generate a hydraulic pressure; a hydraulic control unit connected to the hydraulic pressure supply device and configured to control a flow of the hydraulic pressure transferred to a wheel cylinder; a pedal simulator connected to the master cylinder and configured to provide a reaction force for the brake pedal; a simulator valve configured to open and close a flow path connecting the master cylinder and the pedal simulator; a cut valve configured to open and close a flow path connecting the master cylinder and the hydraulic control unit; a pedal displacement sensor configured to detect displacement information of the brake pedal; a pressure sensor configured to detect pressure information of the pedal simulator; and a controller configured to compensate for a target pressure according to the displacement of the brake pedal based on the displacement information of the brake pedal detected through the pedal displacement sensor and the pressure information of the pedal simulator detected through the pressure sensor when the cut valve is closed and the simulator valve is opened, and drive the hydraulic pressure supply device according to the compensated target pressure.

The present embodiments relate to a steering assist device.

A piston system configured for use in a brake system is disclosed.

The present embodiments provide a steering apparatus including a sliding shaft that is built into a shaft housing and linearly moves in the axial direction, a shaft coupling member coupled to an outer circumferential surface of the sliding shaft and axially sliding together with the sliding shaft inside the shaft housing, a magnet coupling member having a built-in magnet inside, coupled to the shaft coupling member, and axially sliding together with the sliding shaft inside the shaft housing, a sliding support member fixed to the shaft housing and slidably coupled to the magnet coupling member at a lower end thereof, and a sensor member coupled to the sliding support member and to which a sensor for detecting a magnetic field change of the magnet and a circuit board are mounted.

The present disclosure relates to a method and system for manufacturing a motor in which noise and current ripple caused by mechanical friction between a brush and a commutator have been reduced.

The present disclosure relates to an actuator for an electronic parking brake and, more particularly, to an actuator for an electronic parking brake, whereby a motor may be stably fixed using a simple structure.

According to the present embodiments, it is possible to prevent a tooth-on-tooth engagement between gear teeth, which may occur during the telescoping operation of the steering column, thereby leading to stable locking of the steering column, enhancing the driver's feeling of lever manipulation, and preventing damage to components.

In a steer-by-wire steering apparatus according to embodiments of the present invention, a structure for preventing rotation of a sliding bar in order to allow the sliding bar to slide in the axial direction by the torque of a motor or a structure for determining a position to which the sliding bar moves can be more simply implemented, whereby the number of components can be reduced, the assembly process can be simplified, and the cost can be significantly reduced.

Disclosed herein a caliper brake includes a carrier in which a pair of pad plates are installed to move forward and backward toward a disk; a caliper housing slidably installed on the carrier and provided with a cylinder; a piston installed in the cylinder and configured to move forward and backward toward the pair of pad plates by a braking hydraulic pressure; a seal member in close contact with an outer surface of the piston and an inner surface of the cylinder, the seal member having a ring-shaped; and a seal groove formed to be recessed in the inner surface of the cylinder to accommodate the seal member, the seal groove including a front braking surface facing a front surface of the seal member; wherein the front braking surface includes a protrusion protruding toward the seal member.

An electric motor with a rotor and a stator, where the rotor and/or the stator can comprise two or more sections, and a torque ripple caused by the magnetic field(s) associated with a section of the rotor (or stator) can at least partially counters torque ripple caused by the magnetic field(s) associated with other section(s) of the rotor (or stator).

The present disclosure relates to a camera system for an advanced driving assistance system (ADAS).

A driver assistance system includes a detector configured to detect pedestrians or obstacles in a front detection area and a rear detection area of a vehicle; an accelerator pedal sensor configured to detect a position of an accelerator pedal of the vehicle; and a controller configured to selectively activate the front detection area and the rear detection area according to a gear state of the vehicle, when there is the pedestrians or the obstacles in the activated detection area, to recognize an acceleration pedal change amount from an acceleration pedal position detected through the accelerator pedal sensor, to determine whether emergency braking of the vehicle is necessary based on the recognized acceleration pedal change amount, and when the emergency braking is necessary, to perform the emergency braking for the vehicle.

The present embodiments may provide a steer-by-wire type steering apparatus which can significantly reduce production cost by reducing the number of components and simplifying the assembly procedure, by eliminating a pinion gear, etc., and sensing the position of a sliding bar on the basis of rotation information detected from a gear box which transfers the rotational force of a motor to the sliding bar.

Provided is a motor-driven power steering system including: a motor driver; and a controller, wherein the controller is configured to: receive a first rotation angle obtained by a steering wheel angle sensor according to steering and a second rotation angle obtained by a motor position sensor, when a steered position of the steering wheel is in an auxiliary steering limit section and a difference value between the first rotation angle and the second rotation angle is different from a predetermined reference value, change a rotation position of the steering wheel angle sensor and a rotation position of the motor position sensor to an initial original position, when changed to the initial original position, receive the first rotation angle and the second rotation angle again, and control the motor driver to perform auxiliary steering based on the first rotation angle and the second rotation angle received again.

A control system for a vehicle having vehicle wheels comprises: brakes, wherein each of the brakes applies individual braking to a respective one of the vehicle wheels; memory storing brake characteristic parameters for controlling each of the brakes; and a processor configured to: calculate anticipated yaw, steering torque, and deceleration of the vehicle, associated with operation of the brakes; compare between the anticipated yaw and actual yaw of the vehicle, between the anticipated steering torque and actual steering torque of the vehicle, and between the anticipated deceleration and actual deceleration of the vehicle; and calibrate the brakes by adjusting the stored brake characteristic parameters of each of the brakes in response to a yaw difference between the anticipated yaw and the actual yaw, a steering torque difference between the anticipated steering torque and the actual steering torque, and a deceleration difference between the anticipated deceleration and the actual deceleration.

A motor controller is disclosed.