Abstract: Disclosed is a hydrogen production system using a biochar oven, the system including: a vertical pyrolysis furnace into which a pyrolysis target including at least one of waste plastic and fossil fuel is supplied in a free fall scheme by its own weight; a plate-shaped flameless heater configured to heat the vertical pyrolysis furnace such that a high-temperature atmosphere of 800 to 1300° C.

Abstract: A hash code-based search apparatus includes a token set extracting unit configured to extract a token set having at least one token from a document, a hash code generating unit configured to generate N hash codes by applying N hash functions to the at least one token (where N is a natural number), and an index generating unit configured to generate a search index by indexing the document with the N hash codes.

Abstract: The present disclosure relates to a composition for preventing, alleviating or treating sleep disorder, containing, as an active ingredient, Prevotella histicola, a culture product thereof, a crushed product thereof, an extract thereof or a fermented product thereof; or extracellular vesicles derived from Prevotella histicola. The Prevotella histicola or extracellular vesicles contained in the composition of the present disclosure can be used as a safe drug for preventing and treating sleep disorder by increasing total sleep time, non-REM (NREM) sleep time and REM sleep time and decreasing sleep latency and waking time.

Abstract: A method for controlling a vehicle includes: determining an accelerator position sensor/brake pedal position sensor (APS/BPS) command value based on a state variable and a reward variable including a prediction value for a future velocity of the vehicle predicted based on a past APS/BPS command value of the vehicle; and learning for a reward value according to the reward variable to satisfy a predetermined goal based on a change that the determined APS/BPS command value causes to at least one state variable under given environment information.

Abstract: A self-healing alloy contains 5 to 11% by weight of molybdenum (Mo), iron (Fe) as a remainder, and unavoidable impurities. A method for manufacturing the self-healing alloy includes heat treating the alloy or preparing an alloy raw material powder and sintering, homogenizing, and cooling the alloy raw material powder.

Abstract: Disclosed is a micro gas chromatography system including a fluid feeder for feeding a fluid composed of a carrier gas and a gas mixture containing an analyte component to the next stage, a micro gas preconcentrator chip configured to concentrate and desorb the analyte component contained in the fluid, a micro gas chromatography chip including a micro separation column for separating the analyte component concentrated and desorbed by the micro gas preconcentrator chip, and a micro sensing unit including a micro thermal conductivity detection sensor configured to detect the analyte component separated by the micro gas chromatography chip.

Abstract: A knitting machine for clothing has a needle module with a plurality of needle units. Each of the needle units has a needle hook and a plurality of protrusions. The machine also has a first actuation module with a carriage that has a track to connect to one of the protrusions. The carriage can move left and right, and this movement moves the needle units in a longitudinal direction. The machine also has a second actuation module with a connector that has a screw thread to mesh with another one of the protrusions. The connector can move up and down, and this movement moves the needle units.

Abstract: A clothing-manufacturing knitting machine, and the clothing-manufacturing knitting machine that includes a needle unit including a needle hook formed in an end portion and a protrusion formed in a middle region, a connector including a screw thread formed to mesh with the protrusion of the needle unit, and an actuator configured to actuate the connector to rotate. The needle unit meshing with the screw thread is moved forward or backward as the connector is rotated by the actuator. Accordingly, there is provided a clothing-manufacturing knitting machine with a new actuating system.

Abstract: Disclosed are a method for verifying a convolutional neural network model and a device thereof. The method for verifying the convolutional neural network model includes (a) generating a polynomial circuit equation for a first configuration of a plurality of configurations configuring the convolutional neural network model; (b) generating a first commitment value and a first proof value by applying a zero-knowledge proof scheme based on the polynomial circuit equation; (c) generating an arithmetic circuit equation for a second configuration of the plurality of configurations; (d) generating a second commitment value and a second proof value by applying a zero-knowledge proof scheme based on the arithmetic circuit equation; and (e) generating a connection proof value connecting the first commitment value and the second commitment value.

Abstract: The present disclosure provides a display device, which enables minimization of a transformer circuit and which can be driven using various commercial voltages, and a method for controlling the display device. The display device according to an embodiment comprises: a display; a transformer which transforms commercial power and supplies the transformed commercial power to the display and which includes a plurality of switching devices; and a controller for determining, on the basis of the magnitude of an input voltage input to the transformer, whether or not to open at least one of the plurality of switching devices, and controlling the plurality of switching devices on the basis of an output voltage of the transformer to perform a modulation control of the output voltage to follow a predetermined reference voltage.

Abstract: The present invention relates to an LED electrode assembly, more particularly, to a micro-nanofin LED electrode assembly, a method for manufacturing the same, and a light source including the same.

Abstract: A method for preventing side-channel attack according to an embodiment includes generating an order table which includes a position index value for each bit value of a bit string that is secret information to be generated through a decryption algorithm of an Nth Degree Truncated Polynomial Ring Units (NTRU) LPRime algorithm, shuffling a sort order of the position index value for the each bit value in the order table based on a random number, determining a generation order for the each bit value according to the sort order of the position index value for the each bit value in the order table, and generating the secret information through the decryption algorithm. The secret information is generated by generating the each bit value according to the determined generation order.

Abstract: A method of operating an apparatus for predicting and redistributing a personal mobility vehicle (PM vehicle) demand for shared PM vehicles includes generating demand information for the PM vehicles for a plurality of areas according to time, generating current distribution information for the PM vehicles positioned in the plurality of areas, generating target distribution information based on the demand information and the current distribution information, and redistributing the PM vehicles according to the target distribution information.

Abstract: A method of managing a battery is disclosed. The method is capable of efficiently managing a battery by measuring a state of charge (SOC) and an energy storage amount of the battery within a short time. A battery management system and an electric vehicle charging system having the battery management system are also disclosed.

Abstract: According to a main objective of the present invention, the three-dimensional arrangement of solar cells is adjusted so as to use sunlight directly coming from the sun mainly for solar power generation while transmitting wavelengths necessary for the growth of plants and reflecting wavelengths unnecessary for or hindering the growth of plants among wavelengths of sunlight passing through the solar cells to use the reflected wavelengths for additional solar power generation. Sunlight reflected by the dichroic optical filter may be used to additionally generate electricity using solar cells provided perpendicular to the dichroic optical filter, thereby maximizing the use efficiency of sunlight.

Abstract: A hydrogel coating composition for a chemical sensor includes a photo-crosslinkable monomer containing a cationic functional group; a pH indicator dye; a viscosity modifier; and a solvent. The hydrogel coating composition for a chemical sensor can be used for identifying freshness of foods by detecting volatile basic nitrogen or toxic chemicals generated when food spoils, such as ammonia, hydrogen sulfide, etc., and can be coated in desired patterns on a substrate. A chemical sensor fabricated from the hydrogel coating composition is designed to fix a pH indicator dye through an ionic bond to prevent the detachment of the indicator dye. Therefore, the chemical sensor exhibits excellent color reproducibility and has stability as a sensor.

Abstract: An underwater network management system includes a manager corresponding to a management station, and a plurality of agents connected to the manager and corresponding to a gateway and a plurality of underwater devices, wherein each of the manager and the plurality of agents includes an underwater management information base including a plurality of managed objects for managing an underwater network and the plurality of underwater devices, and the manager controls operations for status monitoring and management of the underwater network and the plurality of underwater devices based on information included in managed objects provided from the plurality of agents.

Abstract: An I/O latency tracking apparatus for storage devices includes: an I/O command generator generating an I/O command for a storage device; an I/O processor providing an I/O request to the storage device based on the I/O command and completing the I/O command by polling the storage device to check I/O completion after sleeping for a sleep time; and a sleep time adjustment unit adjusting the sleep time based on a sequence combination composed of two latest I/O sleep results among oversleep and undersleep results obtained during the polling process.

Abstract: A neural network system includes an array circuit and a gate circuit. The array circuit generates output data based on first input data, by a plurality of memory cells. The gate circuit outputs a select signal, based on defect information which is obtained based on the output data. A target memory cell, which is activated in response to the select signal, from among the plurality of memory cells is trained based on second input data, and the defect information is associated with a defect included in the plurality of memory cells.

Abstract: An optical signal transmission method according to an embodiment of the disclosure is an optical signal transmission method in which a processor performs at least part of each operation, and may include an operation of receiving a data stream, an operation of separating at least part of the data stream into three channels, modulating the separated data streams respectively according to M-ary frequency shift keying (M-FSK) scheme so as to produce an FSK modulated signal, an operation of combining a plurality of FSK modulated signals modulated respectively in the three channels, and producing a color modulated signal according to a bit-color mapping table set in advance, and an operation of transmitting the color modulated signal by controlling a light source of the same optical channel based on the color modulated signal.