Abstract: In a method and an apparatus for diagnosing abnormality in an eco-friendly vehicle battery, the method includes determining and storing a defective cell candidate based on a voltage change of each of cells forming a battery module during an ignition OFF mode period of the vehicle, increasing a counter value based on a comparison result of a defective cell candidate during a recent ignition OFF mode period and a defective cell candidate during an immediately previous ignition OFF mode period, and detecting a cell abnormality based on whether a current counter value is greater than or equal to a threshold counter value.

Abstract: In a method and system for verifying battery voltage detection in an eco-friendly vehicle, the method for verifying battery voltage detection in an eco-friendly vehicle includes the steps of determining whether abnormality has occurred in voltage detection based on a voltage of a first battery cell with a highest voltage among a plurality of battery cells forming a battery at a first time point when a limited discharge output of the battery decreases at or below a threshold power while the vehicle is running and a voltage of a second battery cell with a lowest voltage at the first time point, and recovering an output of the battery to a normal output that allows the vehicle to drive normally and driving the vehicle if it is determined that the abnormality has occurred in the voltage detection.

Abstract: The present invention relates to a silicon-carbon composite, a preparation method therefor, and an anode active material comprising same. The silicon-carbon composite includes silicon particles, silicon oxides, magnesium compounds, and carbon. As a molar ratio (O/Si) of oxygen (O) atoms to silicon (Si) atoms in the silicon-carbon composite satisfies 0.01 to 0.60, when the silicon-carbon composite is applied to an anode active material, the discharge capacity, initial efficiency, and capacity retention ratio after cycles of a lithium secondary battery may be simultaneously improved.

Abstract: A method of estimating poses of multiple cameras mounted on a vehicle includes detecting a vanishing line from each of a first camera and a second camera. The method also includes transmitting first vanishing line information of the first camera to each of the cameras hierarchically connected to the first camera and transmitting second vanishing line information including the vanishing line of the second camera to each of the cameras hierarchically connected to the second camera. The method further includes calculating a difference between the two pieces of vanishing line information in at least one camera that receives both the first vanishing line information and the second vanishing line information. The method further includes obtaining final vanishing line information in which the difference between the two pieces of vanishing line information converges to within a predetermined reference error value, and estimating a pose of each of the multiple cameras.

Abstract: A method and apparatus for diagnosing battery abnormality of an ecofriendly vehicle may include incrementing a count value based on a cell balancing starting voltage deviation which is a voltage deviation of a plurality of cells forming a battery module of the vehicle when a cell balancing mode for adjusting the voltage deviation of the plurality of cells starts and a cell balancing ending voltage deviation which is a voltage deviation of the plurality of cells when the cell balancing mode ends, storing the count value and the identifier or the identification number of the cell having the minimum voltage among the plurality of cells, and detecting cell abnormality based on the count value and the identifier or the identification number of the cell having the minimum voltage.

Abstract: An emergency vehicle detection method includes acquiring, by an acquisition device, sounds of external vehicles including an emergency vehicle and a general vehicle; generating, by a generator, a first spectrogram for an emergency vehicle sound and a second spectrogram for a general vehicle sound; generating, by the generator, first emergency vehicle location information based on the first spectrogram; generating, by the generator, general vehicle location information based on the second spectrogram; acquiring, by the acquisition device, images of the external vehicles; generating, by the generator, second emergency vehicle location information based on the images of the external vehicles; and detecting, by a detector, a location of the emergency vehicle based on a correlation of at least two of the first emergency vehicle location information, the general vehicle location information, or the second emergency vehicle location information.

Abstract: Provided is a display device including a display panel configured to display an image, and a shift register connected to the display panel and including stages each having an output terminal for outputting a gate signal and a carry terminal for outputting a carry signal, where an Nth stage among the stages includes a signal generator configured to operate based on an Nth clock signal, an (N?4)th carry signal, an (N+4)th gate signal, an (N+4)th carry signal, a first low voltage, and a second low voltage, and a compensation circuit configured to operate based on potentials of a Q-node and a QB-node included in the signal generator and a signal output from another stage, and including a transistor configured to form a compensation voltage at the QB-node to compensate for deterioration of a transistor connected to the QB-node.

Abstract: The present invention relates to an Fe—S fusion protein acting as an electron transport chain, a novel carbon monoxide:formate oxidoreductase (CFOR) including the Fe—S fusion protein, novel Thermococcus strain BCF12 transformed with CFOR, and the use thereof. According to the present invention, two different enzymes may be physically linked directly to each other through the Fe—S fusion protein of the present invention, and thus electrons generated from any one enzyme may be transported directly to another enzyme through the Fe—S cluster of the Fe—S fusion protein. Accordingly, a reaction that produces a target substance with high efficiency by directly supplying electrons necessary for the production of the target substance is possible without leakage of electrons generated in any one enzyme. In addition, the present invention has an advantage in that the overall enzyme reaction rate and yield can be dramatically improved using a new electron transport reaction.

Abstract: A vehicle control apparatus may include cameras, a memory, and a processor. The processor may identify matching between a first image obtained by a first camera, from among images and templates based on obtaining the images through the cameras, may obtain a first pitch angular velocity of the first camera based on matching the first image and at least one of the templates, may obtain a second pitch angular velocity of a second camera based on at least one of a line included in a second image obtained by the second camera, from among the images, or a vanishing point of the second image, or any combination thereof, and may identify a posture of a vehicle by using one of the first pitch angular velocity or the second pitch angular velocity based on a difference between the first pitch angular velocity and the second pitch angular velocity.

Abstract: A battery system of an electric vehicle includes a first group module configured by connecting a plurality of battery modules in series, a second group module configured by connecting a plurality of battery modules in series, a voltage switching circuit unit configured between the first group module and the second group module to switch and vary a circuit connection state between the first group module and the second group module between a series connection state and a parallel connection state, and a controller configured to control an operation of the voltage switching circuit unit based on information of a charger connected to the vehicle and battery state information when a battery of the vehicle is charged.

Abstract: A battery system of an electric vehicle includes a first group module configured by connecting a plurality of battery modules in series, a second group module configured by connecting a plurality of battery modules in series, a voltage switching circuit unit configured between the first group module and the second group module to switch and vary a circuit connection state between the first group module and the second group module between a series connection state and a parallel connection state, and a controller configured to control an operation of the voltage switching circuit unit based on information of a charger connected to the vehicle and battery state information when a battery of the vehicle is charged.

Abstract: The present invention relates to a silicon-carbon composite, a method for manufacturing same, and an anode active material comprising same. The silicon-carbon composite is a silicon-carbon composite including silicon particles and carbon. As the molar ratio of oxygen (O) atoms to silicon (Si) atoms in the silicon-carbon composite satisfies 0.05 to 0.45, when the silicon-carbon composite is applied to an anode active material, the discharge capacity, initial efficiency, and capacity retention ratio after cycles of a lithium secondary battery can be simultaneously improved.

Abstract: A battery system of an electric vehicle includes a first group module configured by connecting a plurality of battery modules in series, a second group module configured by connecting a plurality of battery modules in series, a voltage switching circuit unit configured between the first group module and the second group module to switch and vary a circuit connection state between the first group module and the second group module between a series connection state and a parallel connection state, and a controller configured to control an operation of the voltage switching circuit unit based on information of a charger connected to the vehicle and battery state information when a battery of the vehicle is charged.

Abstract: An electrified vehicle capable of additionally mounting a swappable battery and a power source management method for the same are provided. A method of power source management of an electrified vehicle is provided, comprising connecting a swappable battery unit to a connector in an electrified vehicle comprising a first battery fixedly arranged with a main battery unit, a first battery management system configured to control the first battery, and a DC converter having a first end and a second end, the swappable battery unit comprises a second battery, and a second battery management system configured to control the second battery. The method further comprises determining, using a vehicle control unit, a target integrated voltage to be supplied to a power electric unit, and transmitting, using the vehicle control unit, a voltage command corresponding to a target output voltage to the DC converter, according to a determined target integrated voltage.

Abstract: A landing gear system may include: a casing coupled to a fuselage of an aircraft, such as an urban air mobility vehicle; a steering, one side of which is inserted into the casing and the other side of which is connected to a tire; a magnetorheological (MR) damper including a cylinder coupled to the casing and a piston coupled to the steering rod; a sensor unit configured to measure a condition of the urban air mobility vehicle; and a controller configured to control damping force of the MR damper based on measurement data of the sensor unit. The sensor unit may include a first sensor for measuring a stroke of the MR damper and a second sensor for measuring an acceleration of the casing.

Abstract: An electrified vehicle may be additionally equipped with a swappable battery, and a power source management method for the same. The electrified vehicle includes a driving power unit including a motor and an inverter, a main battery unit electrically connected to the driving power unit, the main battery unit including a first battery and a first BMS for controlling the first battery, the main battery unit being fixedly disposed in the electrified vehicle, and a DC converter electrically connected to the main battery unit, the DC converter including a connector, in which, when a swappable battery unit including a second battery and a second BMS for controlling the second battery may be connected to the connector, the first BMS acquires second battery information output by the second BMS.

Abstract: An apparatus and method of preventing ground resonance of an aircraft, in which ground resonance may be prevented by detecting vibrations caused by rotation of a rotor in the aircraft and adjusting stiffness and damping performance of a landing gear, are provided. The apparatus for preventing ground resonance of an aircraft includes a at least one sensor for monitoring rolling of a fuselage of the aircraft according to rotation of a rotor; a vibration sensing unit installed on the fuselage and detecting vibrations of the fuselage; a damper installed on the fuselage, constituting landing gear, and varying a natural frequency of the fuselage; and a control unit controlling stiffness of the damper based on a phase difference between vibration signals and the rolling of the fuselage.

Abstract: An electric vehicle may be equipped with a swappable battery, and a power source management method. The electric vehicle includes a motor, an inverter configured to exchange three-phase power with the motor, a main battery unit which may be electrically connected to the inverter, includes a first battery and a first BMS for controlling the first battery, and may be fixedly disposed in the electric vehicle, an OBC which may be connected between the main battery unit and the inverter and includes a DC converter, and a switch unit configured to selectively connect a connector and the DC converter to each other, or the connector and the motor to each other, in which, when a swappable battery unit including a second battery and a second BMS for controlling the second battery may be connected to the connector, the first BMS acquires second-battery information output by the second BMS.

Abstract: Disclosed are a method and apparatus for estimating a camera pose. The method includes dividing an input image received from a camera into a plurality of regions, dividing the plurality of regions into a first detection zone for detecting a vanishing point or a roll and a second detection zone for detecting the roll, extracting a representative feature from features of the input image by using a filter generated in advance for each of the plurality of regions based on a design value of the camera, calculating a feature error of each of the first detection zone and the second detection zone based on the representative feature, and estimating a pose of the camera based on the feature error.

Abstract: The disclosure relates to an apparatus for diagnosing a battery of a vehicle, that may perform reliable diagnosis with respect to a voltage deviation of a battery of a vehicle, a battery diagnostic method thereof, and a vehicle system including the same. The apparatus for diagnosing a battery of a vehicle may include a voltage sensor measuring voltage with respect to a plurality of battery cells in the battery, and a processor diagnosing a voltage deviation of battery on the basis of the cell voltage measured by the voltage sensor. When the cell voltage deviation satisfies a voltage deviation diagnosis start condition, the processor determines whether or not the cell voltage satisfies a normal voltage range, and in response to a determination result, the processor may diagnose occurrence of a voltage deviation in abnormal cell voltage or occurrence of a voltage deviation in a normal cell voltage.