Abstract: A control method of a vehicle by a first controller and a second controller, the control method includes: generating, by the first controller, an Ea(B) in which a second symmetric key is encrypted based on a first symmetric key, and assigning a first random number to the Ea(B); receiving, by the second controller, the Ea(B) and the first random number, generating a fourth symmetric key in which the Ea(B) is decrypted based on a third symmetric key, and generating an Eb(N(MASTER)) in which the first random number is encrypted based on the fourth symmetric key; receiving, by the first controller, the Eb(N(MASTER)), and decrypting the Eb(N(MASTER)) to generate a second random number; and updating the second symmetric key based on a comparison between the first random number and the second random number.

Abstract: A method for manufacturing a lightweight cowl crossbar includes: producing an inner pipe, laminating a plurality of composite material layers wound around the inner pipe, and extruding an outer pipe on the winding layer, in which the plurality of composite material layers adjacent to each other are wound in different directions.

Abstract: A method of tracking an object using a LiDAR sensor includes clustering LiDAR data that includes a plurality of points for an object detected by the LiDAR sensor, generating information on a plurality of segment boxes for each channel using a result of the clustering, and selecting, among the segment boxes, an associated segment box at a current time for a target object that is being tracked. The selecting includes calculating a correlation index between a current representative point and each of a tracking representative point and a previous representative point of each of the segment boxes at the current time, selecting candidate segment boxes for the associated segment box using the correlation index, and selecting the associated segment box at the current time.

Abstract: A vehicle may include a cluster and an engine control unit (ECU), where the cluster may generate a travel distance signal that indicates a travel distance detected by a vehicle speed sensor, and the ECU may be configured to set a travel distance at the time of an immediately previous key-OFF as a current travel distance when the travel distance signal indicates the initial value at the time of an ignition-ON, and to set the temporary previous travel distance and the temporary current travel distance as a previous travel distance and the current travel distance, respectively, when a temporary previous travel distance prior to a current time point by a predetermined period and a temporary current travel distance at the current time point are greater than or equal to the set current travel distance.

Abstract: A method of performing autonomous driving based on platooning by a moving object includes setting a moving path, determining whether platooning is allowed, transmitting moving path information to a first intelligent transportation system infrastructure when the moving object of a plurality of moving objects approaches a preset range of the first intelligent transportation system infrastructure, receiving platooning information from the first intelligent transportation system infrastructure, and performing platooning based on the platooning information, wherein the first intelligent transportation system infrastructure groups ones of the moving objects capable of platooning from among the plurality of moving objects based on the moving path information received from each of the plurality of moving objects.

Abstract: A system for manufacturing a lithium ion secondary battery includes an unwinder supplying a current collector to be coated to a predetermined position, a coating device coating a coating liquid on the current collector, a drying device drying the coated current collector, and a rewinder winding the coated current collector passing through the drying device at a predetermined position.

Abstract: A method and an apparatus for transmitting and receiving reference signals for sidelink communication are provided. The operation method of a first terminal includes receiving a message including a first DMRS scrambling identifier for sidelink communication from a base station and calculating a first DMRS sequence based on the first DMRS scrambling identifier. Additionally, the method includes transmitting SCI and a first DMRS generated based on the first DMRS sequence to a second terminal.

Abstract: An embodiment controller for use in a communication system for platooning vehicles that performs Vehicle-to-Vehicle (V2V) communication through controllers mounted in the platooning vehicles includes a communication unit configured to transmit and receive a message including control and sensor information of the platooning vehicles, a scheduler configured to store message transmission times of the platooning vehicles, and a determiner configured to determine whether a message received through the communication unit corresponds to schedule information stored in the scheduler, wherein the controller is configured to transmit a message in accordance with an order determined based on the schedule information and find out a message transmission order of the platooning vehicles by sharing the schedule information.

Abstract: Disclosed are a method of manufacturing a carbon support for a fuel cell catalyst, a carbon support for a fuel cell catalyst manufactured according to the method, and a catalyst for a fuel cell including the same. The method may include using various organic materials containing N and various carbon supports and thus provide excellent economic feasibility. In addition, pyridinic N and pyrrolic N of doped N can be adjusted at an optimal content ratio so that the carbon support for a fuel cell catalyst manufactured and the catalyst for a fuel cell including the same have excellent electrochemical resistance and excellent electrochemical characteristic due to an increase in an electrochemically active surface area, and excellent durability due to an increase in thermal durability.

Abstract: A mobile device holder for mobility object includes: a main body coupled to a top end of the mobility object; a display positioned on a top surface of the main body and configured to provide a passenger of the mobility object with information; and a holder configured to be stored in the main body when coupled to a first side of the main body, and configured to be coupled to a second side of the main body and mount a mobile device thereon when separated from the first side, wherein the mobile device is supported together on the holder and a top surface of the display when mounted.

Abstract: An apparatus for estimating a battery state of charge includes a computer that determines a lifespan of a battery by creating test conditions for the battery by reflecting predetermined driving information of a vehicle and then performing the test conditions; and a tester that performs charging according to predetermined charging conditions and discharging according to predetermined discharging conditions on the battery in accordance with the test conditions.

Abstract: In an embodiment a method includes cutting a material coil by a predetermined length, forming a vertex and inclined portions on the material coil, loading the vertex and the inclined portion so as to be interposed between an upper mold and a lower mold, forming the vertex into a front/rear bent portion so that the inclined portions are positioned on different lines based on the vertex by combining the upper and lower molds, loading ends of the inclined portions so as to be interposed between clamping pins and rotating a clamping part so that the inclined portions are rounded in front and rear directions.

Abstract: An apparatus and a method optimize a restraint specification based on a particle swarm optimization algorithm using impact analysis between the restraint specification and passenger injuries. A passenger injury prediction value is generated according to the injury degree of a passenger by sequentially inputting values according to specifications of each design variable included in the injury result data into a particle swarm optimization algorithm. The optimization algorithm is implemented with a plurality of computational layers formed for each detailed configuration in order to search for an optimal specification of a restraint. Information on the optimal specification of the restraint is provided by calculating a comprehensive result indicator using the passenger injury prediction value. Thus, the information on the optimal specification of the restraint can be calculated without repetitive evaluation tests.

Abstract: Disclosed are a method and an apparatus for efficiently applying a transform skip mode to a transform block. According to an embodiment of the present invention, a video decoding apparatus determines, based on transform skip information associated with a current block, the transform skip information being decoded from a bitstream, whether a subblock for which transform is skipped and one or more subblocks to which transform is applied are included in the current block. When determining that the current block includes the subblock for which the transform is skipped and the one or more subblocks to which the transform is applied are included in the current block, the video decoding apparatus decodes a first residual subblock using a decoding procedure not involving inverse transform for the subblock for which the transform is skipped, and decodes one or more second residual subblocks using a decoding procedure involving the inverse transform for the one or more subblocks to which the transform is applied.

Abstract: Disclosed are a method for manufacturing a polymer electrolyte membrane for fuel cells in which a plurality of porous reinforcement films and ionomer layers are continuously disposed or stacked, and a polymer electrolyte membrane for fuel cells manufactured thereby. The polymer electrolyte membrane for fuel cells includes the porous reinforcement films, thus having excellent mechanical stiffness and improved physical durability. Further, the polymer electrolyte membrane for fuel cells includes an ionomer layer including a catalyst for decomposing peroxide configured to block gas crossover and may thus minimize performance degradation due to gas crossover and prevent an electrical short, and the polymer electrolyte membrane for fuel cells makes it easy to adjust the position of the ionomer layer in the electrolyte membrane in the thickness direction and may thus effectively mitigate gas crossover.

Abstract: The present disclosure to provides a vehicle capable of efficiently charging electric energy by determining a regenerative braking control improved for a driving situation in which the vehicle is driving, and a control method thereof. The vehicle includes: a power supply including a battery; a motor driven by receiving power from the battery; and a controller configured to determine a vehicle information including a charging state information of the battery, a temperature information of the battery, an input frequency of a braking command, and a driving history data, to determine a road information including a road condition information and a slope information of the road, to charge the battery by determining a regenerative braking level of the motor based on the vehicle information or the road information.

Abstract: A wireless charger, which performs wireless charging in a reception coil and a transmission coil is provided. The wireless charger includes a first filter having a first coil, a first capacitor, a second capacitor, a first switch, and a second switch. Additionally, the wireless charger includes a second filter having a second coil, a third capacitor, a fourth capacitor, a third switch, and a fourth switch. A controller performs a first mode of turning off the second switch and the fourth switch when turning on the first switch and the third switch, and a second mode of turning on the second switch and the fourth switch when turning off the first switch and the third switch.

Abstract: A vehicle body member includes a first cell portion including a first negative pole portion and a first positive pole portion disposed to be in contact with a surface of the first negative pole portion, a second cell portion including a second negative pole portion and a second positive pole portion disposed to be in contact with a surface of the second negative pole portion, an insulating layer disposed between the first cell portion and the second cell portion, a series connector connecting the first negative pole portion of the first cell portion and the second positive pole portion of the second cell portion in series, a positive pole current collector connected to the first positive pole portion of the first cell portion, and a negative pole current collector connected to the second negative pole portion of the second cell portion.

Abstract: The present disclosure relates to a binder solution having lithium ion conductivity for an all-solid-state battery and an electrode slurry including the same. Specifically, the binder solution includes a first binder having high binding force, a second binder having higher lithium ion conductivity than that of the first binder, a lithium salt, and an organic solvent that dissolves the lithium salt.

Abstract: An autonomous valet parking method includes: activating an automated valet parking procedure; determining, by a parking infrastructure, a plurality of guide route candidates leading from a pickup zone to a target position; determining, by the parking infrastructure, weighting factors for the plurality of guide route candidates; selecting, by the parking infrastructure, one guide route candidates among the plurality of guide route candidates as a guide route to the target position; transmitting the target position and the guide route to the vehicle; performing, by the vehicle, autonomous driving to the target position along the guide route; performing, by the vehicle, autonomous parking at the target position, and finishing the automated valet parking procedure.