Hyundai Motor Company Patente

A method of fabricating a physically unclonable function (PUF) device includes fabricating a PUF device including a structure in which a ferromagnetic layer and a nonmagnetic layer are disposed, and controlling magnetic anisotropy of the ferromagnetic layer and forming a random magnetic domain in the ferromagnetic layer, based on application of a voltage to the PUF device.

The present disclosure relates to a battery diagnosis apparatus and a method for diagnosing a battery cell in which a micro internal short circuit has occurred during a cell balancing inactive period. A battery diagnosis apparatus according to one embodiment of the present disclosure may include a battery cell determination unit configured to determine, based on voltage variations of a plurality of battery cells, at least some of the plurality of battery cells as diagnostic reference cells for detecting a micro internal short circuit, and a battery cell diagnosis unit configured to diagnose a micro internal short circuit in each of the plurality of battery cells based on voltage variations of the diagnostic reference cells.

A vehicular battery system includes a plurality of single-phase battery systems, wherein each of the plurality of single-phase battery systems includes a plurality of battery modules, wherein the plurality of battery modules include a combination of a first battery module and a second battery module, wherein each of the first battery module and the second battery module includes a battery, an inverter including AC module output terminals outputting an AC module voltage from a voltage of the battery, and a DC/DC converter including DC module output terminals outputting a DC module voltage from a voltage of the battery, wherein the DC/DC converter disposed in the first battery module includes a step-down converter, and wherein the DC/DC converter disposed in the second battery module includes a step-up converter.

Proposed are an electrified vehicle and a charging control method thereof, in which a charging mode is adjusted based on a charging environment and a state of a battery. According to an example, there is provided a charging control device including a battery, a sensor configured to measure a state of the battery, a memory configured to store usage history data of the battery, and a processor, wherein the processor is configured to determine an initial charging mode based on the usage history data, determine a degradation indicator for the state of the battery measured by the sensor as a result of accumulated charging, and determine a final charging parameter of the initial charging mode based on the degradation indicator to perform charging control of the battery.

A wireless exciter system includes a primary structure including a first converter and a primary coil and a secondary structure including a secondary coil, a second converter, and an inverter. The primary coil and the secondary coil are configured to operate as a transformer. One of the primary structure or the secondary structure is configured to rotate. The primary structure is connected to a direct current (DC) power source to receive power. The secondary structure is electrically connected to a rotor of a motor to output multi-phase alternating current (AC) power to the motor.

A power supply system for an electric vehicle includes a main battery, a first power network connected to the main battery in parallel and including a first converter converting, a first battery and a first load, a plurality of second power networks connected to the main battery in parallel and respectively including a second converter and a second load, a switch module including a plurality of switches, and a controller monitoring a magnitude of a first load current flowing through the first load in real time and sequentially closing the plurality of switches based on an efficiency curve.

A vehicle according to an embodiment of the present disclosure includes a motor including a plurality of motor windings; a plurality of single-phase battery systems connected to the plurality of motor windings and including a plurality of battery assemblies, wherein the plurality of battery assemblies include a battery and a power converter, respectively, and the power converter includes an inverter including AC module output terminals outputting an AC module voltage from a DC voltage stored in the battery; and a pair of switches switching to connect the plurality of single-phase battery systems in series, in sequence, when charging the battery.

A regenerative braking method includes determining a maximum required distance from a preceding vehicle based on a speed of a subject vehicle and a distance control parameter based on satisfying a distance control parameter update condition during inter-vehicle distance control driving. The regenerative braking method further includes updating the distance control parameter based on the maximum required distance and a relative distance with respect to the preceding vehicle. The regenerative braking method further includes determining a target distance from the preceding vehicle based on the distance control parameter. The regenerative braking method further includes controlling a powertrain including a drive motor based on the target distance.

An electrified vehicle includes a powertrain mechanically connected to a main drive wheel, which is a rear wheel, and having a drive motor. The electrified vehicle further includes a driving force distribution device configured to selectively distribute output torque of the powertrain to an auxiliary drive wheel, which is a front wheel. The electrified vehicle further includes a controller configured to, upon receiving a braking demand, determine whether the auxiliary drive wheel participates in regenerative braking based on a regenerative braking capacity of the drive motor. The controller is further configured to control the drive motor and the driving force distribution device based on a determination result of whether the auxiliary drive wheel participates in the regenerative braking.

A vehicle can include a floor panel coupled to a pair of side sills spaced apart from each other, a battery coupled to the pair of the side sills and positioned below the floor panel, a ramp apparatus positioned on the floor panel and coupled to at least the side sills, and seat rails positioned on the ramp apparatus and coupled to the ramp apparatus. Alternatively by omitting the floor panel, a vehicle can include a battery coupled to a pair of side sills, a ramp apparatus positioned on the battery and coupled to at least the side sills, and seat rails positioned on the ramp apparatus and coupled to the ramp apparatus.

Provided is a method and an apparatus for determining an estimated remaining driving range of an electric vehicle. The method (200) comprises determining (210), by using at least one computational model, a plurality of remaining driving range predictions, each of the plurality of remaining driving range predictions being based on a corresponding time window of driving history of the vehicle. Further, the method comprises determining (220) characteristic parameters of a probability distribution function formed at least approximately by the plurality of remaining driving range predictions. The method further comprises determining (230) at least one estimated remaining driving range of the vehicle and a corresponding confidence level based on the characteristic parameters of the probability distribution function. Further, the method comprises outputting (240) the at least one estimated remaining driving range of the vehicle and the corresponding confidence level.

An autonomous vehicle and a method for controlling the same are disclosed. An autonomous vehicle may determine, based on driving data of a driver of the autonomous vehicle, an autonomous driving override threshold value for the driver. The driving data may be processed through a learning process associated with autonomous overriding operations performed by the driver. The autonomous vehicle may, during driving control by an autonomous driving system of the autonomous vehicle, disengage, based on a value indicating a degree of driver intervention associated with the driver and the autonomous driving override threshold value, the autonomous driving system of the autonomous vehicle.

A coil is provided. The coil includes a winding member that is wound and stacked, and a fixing member installed on the stacked winding member to maintain stacking of the winding member.

A battery diagnosing apparatus obtain at least one of first battery data for a battery to which a battery control algorithm associated with battery control is applied, second battery data for a battery to which the battery control algorithm is not applied, or any combination thereof. The battery diagnosing apparatus generates information about a condition of the battery based on at least one of the first battery data, the second battery data, or any combination thereof.

A paint booth that allows air to flow evenly comprises: a painting chamber having a ceiling and a plurality of side walls; an air supply port for supplying external air to the painting chamber; and an air exhaust port for discharging internal air of the painting chamber. The plurality of side walls include a first side wall and a second side wall located opposite the first side wall, the air supply port is arranged relatively adjacent to the first side wall on the ceiling, and the air exhaust port is arranged at the lower part of the second side wall.

An apparatus of a vehicle may comprise a processor and a memory storing at least one instruction that, when executed by the processor communicating with the memory, is configured to cause the apparatus to release vehicle control associated with a first autonomous driving mode stored in the memory, output, via a user interface of the vehicle, a prompt for a user input, based on the release, generate, based on the user input received via the user interface in response to the prompt, a signal indicating activation of vehicle control associated with a second autonomous driving mode stored in the memory, and control, based on the signal and the activation of vehicle control associated with the second autonomous driving mode, autonomous driving of the vehicle.

A vehicle turning control apparatus includes a controller controlling a front wheel motor driving a front wheel of a vehicle and a rear wheel motor driving a rear wheel of the vehicle based on a sensing value detected by a sensor unit of the vehicle, wherein the controller may determine whether the vehicle satisfies a predetermined turning state condition based on the sensing value of the sensor unit, and control at least one of the front wheel motor or the rear wheel motor so that a slip value of at least one of the front wheel or the rear wheel follows a slip target value or a slip target distribution ratio based on the sensing value of the sensor unit, in a turning control mode in which the vehicle satisfies the predetermined turning state condition.

An inverter apparatus includes a capacitor to which DC voltage is applied, a power module that converts voltage of the capacitor into AC voltage through a switching element, a micro controller unit (MCU) that controls the power module, a resistor network including a plurality of resistor sets connected in series, and a board on which the MCU and the resistor network are mounted. Each of the resistor sets may include a plurality of resistors connected in parallel. The resistor network may be electrically connected between the capacitor and the power module.

An apparatus for pre-diagnosing safety of a battery of a vehicle includes a memory configured to store computer-readable instructions and a processor configured to execute the computer-readable instructions. The processor is configured to determine a first voltage and a second voltage for each cell, among a plurality of cells of the battery, during parking of the vehicle. The processor is also configured to determine short circuit resistance for each cell, among the plurality of cells, based on the first voltage and the second voltage determined for each cell. The processor is further configured to determine whether there is a micro short circuit of each cell, among the plurality of cells, based on a comparison between the short circuit resistance determined for each cell and a threshold.

A for operating multiple communication links of a mobility device can include a remotely pilot station that transmits each data packet via at least two communication links of the multiple communication links and the mobility device. The mobility device is configured to: based on a state of the transmitted each data packet, detect a loss link in which a loss occurs among the at least two communication links, determine whether the detected loss link is identical to a previously selected initial link, and, based on a determination that the loss link and the initial link are identical, select a next-priority link different from the initial link among the multiple communication links.

A mobility device, typically a remotely piloted aircraft, includes a memory storing at least one instruction and at least one processor that executes the at least one instruction to perform operations. The operations comprise determining whether to perform a handover process of a control authority ownership of the mobility device to another remotely pilot station based on communication strength between a first remotely pilot station and the mobility device, transmitting, based on a determination to perform the handover process, a communication request signal to a plurality of remotely pilot stations, and performing, based on a control authority handover start command being received from the first remotely pilot station, the handover process with a second remotely pilot station.

A wireless charging for charging a battery by controlling a PFC circuit, a DC-DC converter, and an IPT device sequentially connected, includes: a battery charging controller configured to receive a battery voltage value and a current value of the battery, which are sensed through a battery voltage and current sensor, and generate a charging control signal based on the received voltage value and current value; a PFC controller configured to control switching operations of the PFC so as to adjust a direct-current bus voltage supplied to the DC-DC converter based on the charging control signal, and output a converter operation enable signal; and a converter controller configured to control switching of the DC-DC converter based on the converter operation enable signal and the charging control signal, thereby guaranteeing stable and efficient battery charging regardless of positional errors and matching variations between the transmission and reception coils.

A vehicle and a method for controlling the same are disclosed. A control device of a vehicle may include a processor and a memory storing at least one instruction. The at least one instruction may be configured, when executed by the processor, to cause the control device to: determine a current steering angle of the vehicle, and a target steering angle for an autonomous driving system of the vehicle; determine, based on whether a difference between the current steering angle and the target steering angle is less than or equal to a threshold value, whether to activate the autonomous driving system or to restrict activation of the autonomous driving system; and control, based on the determination of whether to activate or restrict activation of the autonomous driving system, an operation of the vehicle.

A battery storage casing includes a lower surface part (100) configured to define a lower surface of the casing, in which a cooling flow path (110) is formed on the lower surface part and provides a path through which a cooling fluid flows, and in which one part of the cooling flow path and another part of the cooling flow path intersect each other when the lower surface part is viewed from a location spaced apart from the lower surface part in an upward/downward direction H.

A DSSAD data storing system may include a Data Storage System for Automated Driving Vehicles (DSSAD) data storage device and a DSSAD data extraction device is provided, and the DSSAD data storage device may include a hardware security module (HSM) configured to perform data encryption, a dynamic random-access memory (DRAM) where a DSSAD data is stored, a processor configured to read the DSSAD data from the DRAM in response to a trigger signal and provide the read data to the HSM, and a flash memory configured to store a DSSAD encryption data encrypted by the HSM.

An apparatus of a vehicle may comprise a processor and a memory storing at least one instruction that, when executed by the processor communicating with the memory, is configured to cause the apparatus to determine, via a sensor of the vehicle, whether grip conditions of a steering wheel of the vehicle are satisfied, wherein the grip conditions are related to an output of a notification for requesting grip of the steering wheel to a driver of the vehicle, and wherein the output of the notification is based on at least one of a vehicle state of the vehicle during autonomous driving of the vehicle or a driver state of the driver during the autonomous driving of the vehicle, output a signal indicating whether to generate or release the notification, and perform monitoring or adjusting.

A Data Storage System for Automated Driving Vehicles (DSSAD) data extraction method may be provided. A DSSAD data extraction system may transmit an Event Data Recorder (EDR) data request to the EDR data storage device and receive an EDR data from the EDR data storage device; transmit a DSSAD data request and receive a DSSAD data from the DSSAD data storage device; specify the DSSAD data to be analyzed from the received DSSAD data; determine whether an event corresponding to the EDR data exists in the DSSAD data to be analyzed; and extract DSSAD data such that the recording time may be included within a predetermined time range based on the event occurrence time of the EDR data from the DSSAD data to be analyzed if it may be determined that an event corresponding to the EDR data exists in the DSSAD data to be analyzed.

A vehicle and a method for controlling the same are disclosed. A control device includes a processor; and a memory storing at least one instruction that is configured, when executed by the processor communicating with the memory, to cause the control device to: detect, during driving control of a vehicle, an event associated with an eyes-on request (EOR) for a driver of the vehicle; determine, based on the event satisfying a predetermined driving condition of the vehicle and via an image sensor of the vehicle, that an eye gaze of the driver is diverted to a predetermined area of the vehicle; set, based on a time duration of the eye gaze of the driver being diverted to the predetermined area, a timer for an EOR alert; and output, based on expiration of the timer, the EOR alert via an output device of the vehicle. An expiration of the timer is associated with the predetermined area. The output device includes at least one of a display of the vehicle or a speaker of the vehicle.

A separator for fuel cells includes first channels that each include a first reduced region and a first enlarged region repeatedly located within a first general region. The first channels are configured to form a flow path of a reaction gas on a base plate. Second channels are arranged to be spaced apart from the first channels in parallel by a width-directional length of lands. The second channels include a second reduced region and a second enlarged region repeatedly located along the flow path within a second general region. The first enlarged region has the same shape as the second enlarged region. The first general region has the same cross-sectional area as the second general region. The first enlarged region and the second enlarged region each have a cross-sectional area corresponding to a cross-sectional area of the first general region.

A motor may include a shaft grounding ring (SGR), a position sensor including a stator portion and a rotor portion, and a cover in which the stator portion and the SGR are mounted. A vehicle can include such motor. A method of assembling a motor can include attaching a rotor portion of a position sensor to a shaft of the motor, attaching a stator portion of the position sensor to a cover, attaching a C-shaped SGR to the cover, and attaching the cover to the motor, such that the rotor portion is adjacent the stator portion, and such that the SGR and the stator portion of the position sensor are on a same plane that intersects a rotational axis of the shaft.

A wireless charger includes a base module and a coil module. The coil module is configured to be detachably attachable to the base module. The coil module includes a coil for charging and is configured to be electrically connected to the base module.

A propulsion unit includes a stator, a rotor configured to rotate relative to the stator, a propeller connected to the rotor, an inverter electrically connected to the stator, a cooling housing that is disposed adjacent to the stator and the inverter and defines a cooling channel, a heat exchanger connected to the cooling channel, and one or more fans coupled to the rotor and configured generate airflow toward the heat exchanger through the cooling housing.

A dehumidifier (1000), and a lamp (10) for a vehicle including the same, can include a dust cover including first communication hole therein, an absorbent cover coupled to the dust cover, wherein a desiccant is accommodated between the dust cover and the absorbent cover, wherein the absorbent cover includes at least one second communication hole therein corresponding to the first communication hole, and a valve configured to selectively open the first communication hole and the second communication hole through a first bracket and a second bracket, which are operated and moved by a shape memory alloy of the valve that is deformed by a temperature difference between an inside of the dust cover and an outside of the dust cover.

A system for operating a mobility apparatus includes a sensor, an output device, a memory storing at least one instruction, and a processor operatively connected with the sensor, the output device, and the memory. The system is configured to identify an estimated landing point of the mobility apparatus based on sensing information obtained using the sensor, and to provide a user with at least one image including marking information corresponding to the estimated landing point using the output device.

A method for remotely controlling a mobility device includes, from a first remote pilot station having control of a mobility device via a communication link with the mobility device, receiving, by a second remote pilot station, a lost link signal indicating a failure in the communication link, of the first remote pilot station, with the mobility device. The second remote pilot station is one of at least one neighboring remote pilot station, of the first remote pilot station, that has received the lost link signal. The method further includes: transmitting, by the second remote pilot station, a broadcast signal; receiving, by the second remote pilot station from the mobility device, a response signal requesting transfer of control of the mobility device; and remotely controlling, by the second remote pilot station and based on the response signal, one or more operations of the mobility device.

A propulsion unit of an air mobility apparatus includes a stator, a rotor configured to rotate relative to the stator, and an inverter disposed radially inward relative to the stator in a radial direction of the stator and electrically connected to the stator. The propulsion unit further includes a propeller connected to the rotor and a cooling housing that is disposed adjacent to the stator and the inverter and that includes a cooling channel, the cooling housing being in contact with at least one component of the inverter.

Various embodiments of this document relate to a vehicle and a method of operating the vehicle for performing a minimal risk maneuver. An autonomous driving vehicle may determine whether a minimal risk maneuver is necessary based on at least one of the surrounding environment information and vehicle state information, determine a minimal risk maneuver type and a target location for the vehicle to stop when the minimal risk maneuver is necessary, and control the vehicle such that the vehicle stops at the target location based on the determined minimal risk maneuver type and the target location, during autonomous driving of the vehicle.

A centrifugal atomizing painting apparatus is configured to eliminate factors that reduce transfer efficiency of paint toward a target object to increase the paint transfer efficiency. The centrifugal atomizing painting apparatus including a housing, a paint sprayer rotatably mounted within the housing and configured to atomize paint and to spray the atomized paint toward a target object while rotating, and an air discharger mounted within the housing and configured to discharge compressed air between the housing and the paint sprayer, wherein the compressed air has a rotational force in the opposite direction to the rotational direction of the paint sprayer.

An inspection device includes a switching assembly including a switch array configured to allow or block power flow to at least one component among a plurality of components of an aircraft having a heterogeneous power source module and a propulsor driven by the power source module; and one or more processors configured to control the switch array to allow or block power flow to the at least one component based on an inspection mode related to at least one of the power source module and the propulsor and output diagnostic data for the at least one component by performing an inspection according to the inspection mode.

A depth map generation device includes a memory that stores computer-executable instructions, and at least one processor that accesses the memory and executes the instructions, wherein the at least one processor selects a target LiDAR from among a plurality of LiDARs, generates a range image using a point cloud of the target LiDAR, detects a near object area from the range image using the range image and at least one preset threshold, generates a point plane in three-dimensional coordinates based on the near object area, generates a mask corresponding to the near object area based on the point plane in an image coordinate system, and generates a depth map by removing points of other LiDARs than the target LiDAR, from the near object area using the mask.