Abstract: Disclosed is a motor driving apparatus including: a motor; an inverter including a switching element for driving the motor; a controller for controlling the switching element; a resolver including an excitation winding and a detection winding; and a resolver chip applying an excitation signal to the excitation winding by inputting a periodic signal from the controller, and receiving a feedback signal from the detection winding, wherein the resolver chip determines the number of rotations of the motor based on a change in a pulse width of a detection signal resulting from a comparison between a voltage of the feedback signal and a preset voltage, and output a signal to the inverter for setting an inertial driving control mode according to the number of rotations of the motor in a failure state of the controller.

Abstract: Provided is a mounting structure of a shaft ground ring of a motor in which a second contact part of the ground ring is inserted into a hole positioned in a rotating shaft, thus making the ground ring be in contact with an inner circumferential surface of the rotating shaft to transfer an axial current occurring in a rotor to a motor housing.

Abstract: The present disclosure relates to a catalyst for a fuel cell electrode including an active particle which includes a core comprising platinum, a transition metal excluding platinum, and an oxide of a non-transition metal; and a shell disposed on the core and including platinum, wherein the active particle includes platinum and the non-transition metal in a molar ratio of 100:1.80 to 100:4.00, a method of preparing the same, and a fuel cell including the same.

Abstract: An exemplary embodiment of the present disclosure provides a separator for a fuel cell, which is stacked on a reaction layer including a membrane electrode assembly (MEA). The separator includes a plate body stacked on the reaction layer, a wave pattern provided on one surface of the plate body that faces the reaction layer, the wave pattern being configured to define a reaction channel disposed between the reaction layer and the plate body and provided in a first direction in which a reactant gas is supplied, so that the reactant gas flows along the reaction channel, and a land provided along a lateral end of the wave pattern and disposed to be in contact with the reaction layer, thereby obtaining an advantageous effect of improving performance and operational efficiency.

Abstract: An integrated braking device for a vehicle equipped with wheel brakes includes a reservoir, master cylinder, bi-directional pumps each using hydraulic pressure oil from the reservoir for generating hydraulic pressure in first direction to apply braking force to the wheel brakes or generating hydraulic pressure in opposing second direction to control the hydraulic pressure oil from flowing to the reservoir, a hydraulic motor for driving the bi-directional pumps, inlet valves for controlling a hydraulic pressure from flowing from the bi-directional pumps to the wheel brakes, traction control valves each disposed between the master cylinder and each bi-directional pump to control flow of the hydraulic pressure oil inside the master cylinder, and a braking control unit for braking the vehicle by transmitting a driving signal to solenoid valves in the integrated braking device, the bi-directional pumps, and the hydraulic motor to control a flow of the hydraulic pressure.

Abstract: Disclosed are wood preforming devices for manufacturing a crash pad for a vehicle including a real wood sheet. A wood preforming device for manufacturing a crash pad for a vehicle includes a real wood sheet includes a lower press mold comprising a debossed portion provided on a portion on which a product is formed, and a support portion configured to support an upper press mold, in response to the lower press mold and the upper press mold pressing each other, the support portion having a protrusion for fixing a real wood sheet, the upper press mold having an embossed portion corresponding to the debossed portion of the lower press mold, and a movable core provided on the debossed portion of the lower press mold and being configured to guide the real wood sheet by moving upward from the debossed portion, in response to the upper press mold moving downward.

Abstract: A method of controlling an electronic parking brake includes: an initiation determination process of determining whether to initiate an electronic parking brake (EPB) release operation based on whether a release signal is input; a calculation process of calculating a no-load release time and a minimum EPB release time when the EPB release operation is initiated; a no-load release time adjustment process of measuring a time of a no-load section based on a current flowing through a motor and adjusting the time of the no-load section by supplying the current to the motor until the time of the no-load section is equal to the calculated no-load release time; and a release process of determining whether a summed time of a time of a load section and the adjusted time of the no-load section satisfies the minimum EPB release time, and continuously supplying the current to the motor to supply the current to the motor until the summed time becomes equal to the EPB release time when the summed time is less than the minim

Abstract: An apparatus for fixing a pressure vessel to an object includes: a frame member configured to be fixed to the object; a first locking part configured to lock one axial end of the pressure vessel to the frame member; and a second locking part configured to lock another axial end of the pressure vessel to the frame member.

Abstract: A three-way solenoid valve comprising: a valve block including a valve chamber and a first port, a second port, and a third port fluidly communicating with the valve chamber; an armature; a body; a plunger; and a flow path control assembly that is disposed inside the second body and includes a first opening/closing flow path, which allows the first port and the second port to fluidly communicate with each other or to be blocked from each other according to a magnitude of a force applied by the plunger, and a second opening/closing flow path which allows the second port and the third part to fluidly communicate with each other or to be blocked from each other according to the magnitude of the force applied by the plunger.

Abstract: The present disclosure provides a device and a method for detecting a screen freeze error of a display of a vehicle. The method comprises monitoring a drive pattern of at least one pixel in a porch area during a time period corresponding to a plurality of image frames, wherein the porch area including at least one of a front porch area and a back porch area of a display panel driven according to the plurality of image frames; and determining occurrence of a screen freeze error by comparing the drive pattern of the at least one pixel with a preset drive pattern.

Abstract: A diagnosis command and a display of a diagnosis result using a vehicle diagnosis device upon after-sales inspection or during the inspection (EOL) during vehicle production. Using a diagnostic function of a controller related to a digital key or a fob key (e.g., a body domain controller (BDC), an integrated body control unit (IBU), or an identity authentication unit (IAU)) and using an existing method and equipment (e.g., a vehicle diagnosis device), the position of a UWB module is detected to estimate whether the module is in an abnormal state (installation in an incorrect position, deviation from a correct position, etc.).

Abstract: A power semiconductor device includes a semiconductor layer of silicon carbide (SiC), at least one trench that extends in one direction, a gate insulating layer disposed on at least an inner wall of the at least one trench, at least one gate electrode layer disposed on the gate insulating layer, a drift region disposed in the semiconductor layer at least on one side of the at least one gate electrode layer, a well region disposed in the semiconductor layer to be deeper than the at least one gate electrode layer, a source region disposed in the well region, and at least one channel region disposed in the semiconductor layer of one side of the at least one gate electrode layer between the drift region and the source region.

Abstract: Provided is a lamp device installed on the front of a vehicle, and the light device may connect a drive unit to a light source module to thus rotate an optical module, thereby implementing various optical image patterns and also converting the optical image pattern.

Abstract: A system for avoiding blind spot using accident history information, includes an image sensor configured to provide image information by acquiring a surrounding image of a host vehicle, and a vehicle controller. The vehicle controller is configured to detect, through the image sensor, an adjacent vehicle traveling adjacent to the host vehicle and a license plate of the adjacent vehicle; determine a dangerous level of the blind spot of the adjacent vehicle, based on accident history information of the adjacent vehicle and driver tendency information of a driver of the adjacent vehicle obtained by inquiring about the license plate of the adjacent vehicle, after determining a blind spot range of the adjacent vehicle; and generate a path in which the host vehicle deviates from the blind spot or avoids the blind spot to reduce the dangerous level of the blind spot, based on a traveling situation of the host vehicle.

Abstract: Disclosed is a device for compensating for a disturbance in a rack force. The device includes a memory that stores instructions, and processors that determine an optimally estimated value of a rack force for minimizing an error representing a difference between an actual value of the rack force and an estimated value of the rack force, extract a specific frequency component from the optimally estimated value of the rack force, and compensate for the extracted specific frequency component to the actual value of the rack force to remove a disturbance reflected in the actual value of the rack force.

Abstract: A rear warning system for a vehicle and a control method thereof are introduced, and the control method includes activating a rear cross-traffic collision prevention function, collecting, upon the activation of the rear cross-traffic collision prevention function being activated, road information between the vehicle and a target vehicle present in a rear or rear side of the vehicle using at least one of sensors installed in the vehicle, and controlling the rear cross-traffic collision prevention function based on a probability of intrusion of the target vehicle into an expected driving lane of the vehicle when the vehicle is reversing, the probability of intrusion being determined based on the collected road information.

Abstract: The present invention relates to an airbag apparatus for a vehicle and a method of controlling an operation of the same, in which only a first cushion 110 of a passenger seat airbag 100 is deployed and protects a passenger seat passenger 1 when the passenger seat passenger 1 is in a normal seating posture in the event of a collision accident, and the first cushion 11 and a second cushion 110 or 210 of a support airbag 200 are deployed together or the first cushion 11 and a second cushion 110 or 210 of a belt airbag 200 are deployed together and protect the passenger seat passenger 1 when the passenger seat passenger 1 is in a relaxed seating posture.

Abstract: The present disclosure relates to a seat cushion airbag and a folding method of the seat cushion airbag that can be installed in a reduced package while protecting a wide area when deployed and discloses a seat cushion airbag and a method folding the seat cushion airbag that is stowed in a folded state in the seat cushion but a portion of which is pushed inward.

Abstract: A picture generation apparatus and a control method thereof are disclosed. An embodiment of the present disclosure provides a picture generation apparatus including a light source; a Spatial Light Modulator (SLM) configured to output an image using light transmitted from the light source; and a control unit configured to control the light source and the SLM based on at least one of illuminance of the surroundings or content of the image.

Abstract: A multi-lens assembly for a lamp requiring a long focal length and higher optical performance, such as an adaptive driving beam (ADB) head lamp. The multi-lens assembly lamp may ensure higher optical performance with fewer lenses. More particularly, the multi-lens assembly may ensure a desired optical performance by including appropriately-arranged three lenses, i.e., two spherical lenses and one aspheric lens, and optimizing an optical design therebetween.