Abstract: An electrified vehicle includes: a battery; a motor drive device configured to drive a motor through an inverter, based on a voltage of the battery; and a battery controller configured to determine whether to perform output limiting on the battery, based on whether a ratio of regenerative braking is less than or equal to a preset ratio, wherein the ratio of regenerative braking is varied according to an amount of charging of the battery and an amount of discharging of the battery within a preset time interval, and adjust, based on the output limiting being performed on the battery, a derate ratio associated with a battery output limit value.

Abstract: A display device and a method of manufacturing the same are provided. The display device comprises a substrate comprising a display area in which emission areas are arranged, a main non-display area around the display area, a hole area surrounded by the display area, and an additional non-display area between the hole area and the display area; a circuit layer; a light emitting element layer; a sealing layer; a through portion in the hole area and penetrating at least the substrate; and sealing auxiliary structures in the additional non-display area and sequentially surrounding the hole area. Each of the sealing auxiliary structures comprises a first undercut portion in which a first cover layer protrudes from a first main layer; and a second undercut portion in which a second cover layer protrudes from a second main layer.

Abstract: An autonomous driving apparatus and method, in which the autonomous driving apparatus may include a sensor unit configured to detect a surrounding object including a surrounding vehicle around an ego vehicle that autonomously travels, a memory configured to store map information, and a processor configured to control autonomous driving of the ego vehicle based on an expected driving trajectory generated based on the map information stored in the memory.

Abstract: A shoe management apparatus capable of managing various types of shoes and including a cabinet defining an inner space for storing shoes; and a partition dividing the inner space into an upper first compartment and a lower second compartment, formed therein with a fluid path along which air is discharged into the inner space, and variable in length with respect to a front-to-rear direction of the shoe management apparatus.

Abstract: A method of manufacturing a metal hybrid, heat-dissipating material includes the steps of (a) preparing a spherical metal powder and a flake graphite powder having an aspect ratio greater than 1, respectively; (b) preparing a powder mixture by inserting only the spherical metal powder and the flake graphite powder into a container, followed by dry mixing the powder mixture using a multi-axial mixing method for rotating or vibrating the container about two or more different rotation axes without any liquid input and without any mixing aids; (c) manufacturing a green compact by pressing the powder mixture; and (d) sintering the green compact to provide the metal hybrid, heat-dissipating material.

Abstract: An apparatus for detecting leakage of a pipe by using a distance difference-frequency analysis includes: vibration detecting sensors, which are mounted at a predetermined distance in a longitudinal direction of a pipe and are configured to measure vibration signals of the pipe; and a control unit, which is configured to calculate a cross-correlation function by using the vibration signals, to reveal time delay information in the frequency domain by calculating time-delay frequency analysis diagram for the cross-correlation function, to calculate a distance difference-frequency analysis diagram by applying compensation conversion using frequency-dependent propagation speed information to the time-delay frequency analysis diagram, and to detect a leakage component of the pipe in the distance difference-frequency analysis diagram.

Abstract: An apparatus/method for extracting multiple features from time series data collected from a plurality of sensors and for performing transfer learning on them. There is provided an apparatus including: a multi-feature extraction unit for extracting multiple features from a data stream for each sensor inputted from the plurality of sensors; a transfer-learning model generation unit for extracting useful multi-feature information from a learning model which has finished pre-learning, for the multiple features for forwarding the extracted multi-feature information to a multi-feature learning unit to generate a learning model that performs transfer learning on the multiple features; and the multi-feature learning unit for receiving learning variables from the learning model for each of the multiple features and for performing parallel learning for the multiple features, to calculate and output a loss. In addition, there is provided an apparatus for detecting leaks in plant pipelines.

Abstract: An apparatus for detecting leakage of a pipe by using a distance difference-frequency analysis includes: vibration detecting sensors, which are mounted at a predetermined distance in a longitudinal direction of a pipe and are configured to measure vibration signals of the pipe; and a control unit, which is configured to calculate a cross-correlation function by using the vibration signals, to reveal time delay information in the frequency domain by calculating time-delay frequency analysis diagram for the cross-correlation function, to calculate a distance difference-frequency analysis diagram by applying compensation conversion using frequency-dependent propagation speed information to the time-delay frequency analysis diagram, and to detect a leakage component of the pipe in the distance difference-frequency analysis diagram.

Abstract: An apparatus for detecting leakage of a pipe by using a distance difference-frequency analysis includes: vibration detecting sensors, which are mounted at a predetermined distance in a longitudinal direction of a pipe and are configured to measure vibration signals of the pipe; and a control unit, which is configured to calculate a cross-correlation function by using the vibration signals, to reveal time delay information in the frequency domain by calculating time-delay frequency analysis diagram for the cross-correlation function, to calculate a distance difference-frequency analysis diagram by applying compensation conversion using frequency-dependent propagation speed information to the time-delay frequency analysis diagram, and to detect a leakage component of the pipe in the distance difference-frequency analysis diagram.

Abstract: Provided is a method of manufacturing a metal hybrid heat-dissipating material, the method including (a) preparing spherical metal powder and flake graphite powder having an aspect ratio greater than 1, (b) preparing mixture powder by inserting only the spherical metal powder and the flake graphite powder into a container and then mixing the metal powder and the graphite powder by using a multi-axial mixing method for rotating the container about two or more different rotation axes, (c) manufacturing a green compact by pressing the mixture powder, and (d) sintering the green compact.

Abstract: A cooling device for a vehicle may include a heat exchanger provided to cool an engine of the vehicle, a radiator provided near a side of and in parallel with the heat exchanger to cool an inside of the vehicle, and a cooling fan provided near a side of the radiator to coercively introduce external air into the heat exchanger and the radiator, wherein the cooling fan includes a hub connected to a driving shaft, and a plurality of blades radially arranged on an outer circumferential surface of the hub, wherein the plurality of blades are arranged so that a spaced area between two neighboring blades is different from a spaced area between other two neighboring blades, and wherein a sum of all vectors for the plurality of blades is not zero, the vector being reached from the center of the hub to a reference point of each blade.

Abstract: A fan for vehicle that considerably reduces noise and vibration by setting the center of gravity of a fan to agree with the rotational center of a fan without any additional means, such as adding a weight or frame thickness, by disposing blades at unequal angular intervals and providing the most suitable arrangement to reduce isolated sound caused by air passing the fan blades.

Abstract: A reliable digital-to-analog converter includes a coarse stage having 2M−1 number of first resistors and a fine stage coupled to the coarse stage in series for converting a digital signal of K(K=M+N) bit to an anoalog signal, where M equals the number of most significant bits and N equals the number of least significant bits. The fine stage coupled in series to the coarse stage has an equivalent resistance substantially equal to a resistance of any one of the first resistors of the coarse stage.