Abstract: A motor control device for estimating a position of a rotor in a state in which a motor is stopped and a method for estimating a position of a rotor thereof are provided. The motor control device includes a power supply, a current sensor, and a processor. The processor determines whether a rotor position estimation execution condition is established, applies a phase voltage to a stator of the motor, if it is determined that the rotor position estimation execution condition is established, measures the current flowing in the stator, estimates a position of a rotor of the motor based on a first maximum current value among the measured current values, and determines whether to reattempt to estimate a position of the rotor based on a difference between the first maximum current value and a second maximum current value among the measured current values.

Abstract: The present invention relates to an eddy current sensor for detecting a crack in a battery cell, and a system for detecting a crack of a battery cell including the eddy current sensor. According to the present invention, it is possible to easily detect a crack generated in an electrode, an electrode tab or a welded portion.

Abstract: A traffic control method and apparatus with an autonomous vehicle based on adaptive reward. A traffic control apparatus for an autonomous vehicle based on adaptive reward comprises an information observation unit that collects observation information from a sensing module of an autonomous vehicle or a roadside unit (RSU); a policy execution unit that decides on an action including adjusting acceleration and changing lanes of the autonomous vehicle based on the observation information and policy; and a reward determination unit that determines reward according to observation information at a next timestep according to the decision made, wherein reward in the reward determination unit includes penalty in an event of an accident and reward when driving, wherein the reward when driving includes an adaptive target speed reward term, a successful lane change reward term, and a safety distance compliance reward term that are adaptively determined according to road traffic.

Abstract: A vehicular folding-type loading bay cover includes a cover unit with a plurality of slats. Respective upper end portions of preceding and following slats and respective lower end portions thereof are alternatingly connected, and the cover unit can be folded and unfolded in a loading bay of a vehicle. A main rail is disposed in the vehicular loading bay along a direction in which the cover unit is unfolded, guides the lower end portions of the slats, and guides the upper end portions of the slats in a section where the slats are unfolded. A guide rail branches off from the main rail, is parallel with the main rail in a section where the cover unit is fully folded and guides the upper end portions of the slats when the cover unit is folded.

Abstract: A storage device manages memory use data, such as map data which the storage device manages using a host memory, as journal data in a buffer memory located inside the storage device in a low power mode. The memory use data may be managed by updating journal data during the low power mode, and a command of a host device may be processed by updated journal data after switching from a low power mode to an active mode.

Abstract: An offline reinforcement learning-based foresighted decision-making apparatus and method for interaction between multiple agents.

Abstract: According to the present invention, there is provided A method of encoding a three-dimensional (3D) image, the method comprising: determining a prediction mode for a current block as an inter prediction mode; determining whether a reference block corresponding to the current block in a reference picture has motion information; when the reference block has the motion information, deriving motion information on the current block for each sub prediction block in the current block; and deriving a prediction sample for the current block based on the motion information on the current block.

Abstract: The present invention relates to a composition for promoting myogenesis, containing, as an active ingredient, a processed ginseng extract in which a trace amount of a ginsenoside ingredient is increased. It has been ascertained that the processed ginseng extract promotes the differentiation of myoblasts into muscle and inhibits muscle atrophy caused by myostatin, which is a myogenesis inhibitory factor, and thus it is expected that a composition for preventing or treating muscle disorder-related diseases, having excellent effects, can be developed.

Abstract: A gate driver includes a first scan signal generator configured to output a logic voltage for driving of a scan transistor through a plurality of stages connected in cascade, the scan transistor performing a switching operation to transfer a data voltage to a driving transistor of a pixel, a second scan signal generator configured to output a logic voltage for driving of a sensing transistor through the plurality of stages, the sensing transistor sensing deterioration of a light emitting element of the pixel, a light emission control signal generator configured to output a logic voltage for control of a light emission control transistor of the pixel through the plurality of stages, and an initialization voltage generator driven by logic voltages received from some nodes of the first scan signal generator based on the light emission control signal generator to supply an initialization voltage to the pixel.

Abstract: A button-type secondary battery according to the present disclosure includes: an electrode assembly; a lower can configured to accommodate the electrode assembly; an upper can coupled to an opening of the lower can; a gasket configured to insulate a coupling portion between the lower can and the upper can; and a center part provided at a core portion of the electrode assembly, wherein the center part includes: a center pin inserted into the core portion of the electrode assembly; and an upper plate provided with an upper cover surface provided on an upper end of the center pin to protect an upper portion of the electrode assembly, wherein an edge of the upper cover surface is provided to be supported on an inner wall of the lower can.

Abstract: Provided is a method of calculating an optimal temperature of a furnace, the method including: acquiring a plurality of appropriate candidate temperatures of the furnace from first input data using a trained optimal temperature model; acquiring predictive property values of the material from second input data using a trained property prediction model; acquiring one or more sampled appropriate candidate temperatures from the plurality of appropriate candidate temperatures based on a result of comparing a target property value with the predictive property values; acquiring heat information of a case of operating the furnace at the sampled appropriate candidate temperatures, acquiring one or more appropriate temperatures from the sampled appropriate candidate temperatures based on a result of comparing the heat information; and transmitting a request to set the acquired optimal temperature to a set temperature value of the furnace.

Abstract: A seat rail retainer includes a body, among a first rail and a second rail that are disposed to slide straightly respectively in a longitudinal direction, the body being fixed to the first rail, an elastic supporting portion protruding from the body to be elastically pressed by the second rail, and an inserting body inserted into the body to provide an elastic force to the elastic supporting portion.

Abstract: An over-soldering prevented tabbing device for manufacturing solar cell modules is disclosed in which the over-soldering is prevented from occurring in the tabbing device for performing the soldering process in manufacturing the solar cell modules. The over-soldering prevented tabbing device according to an embodiment of the present disclosure includes a solar cell module cell that is transported on a conveyor by a unit of cell; a soldering head installed above the solar cell module cell and having a built-in heat source that provides heat to solder the flux coated on the transported solar cell module cell; a driver reciprocating the soldering head in a direction in which the conveyor moves; and a controller controlling the driver.

Abstract: A transfer apparatus includes a first transfer assembly configured to allow a plurality of objects to be introduced and including a plurality of first rollers and a first driver configured to drive the plurality of first rollers, a second transfer assembly including a plurality of second rollers, a plurality of alignment areas on the plurality of second rollers, and a plurality of second drivers configured to drive the plurality of second rollers, wherein a number of the plurality of alignment areas may correspond to a maximum number of the objects allowed to be introduced, and a third transfer assembly configured to allow the objects to discharge therefrom and including a plurality of third rollers and a third driver configured to drive the plurality of third rollers wherein the second transfer assembly further includes a first controller configured to individually control rotational speeds of the plurality of second rollers.

Abstract: Disclosed are an advertisement system and method. More particularly, an advertisement system using a doorbell, the advertisement system including: a data collector configured to collect video data of a visitor corresponding to a call message when the call message is received from a doorbell; a context extractor configured to extract context information through impression analysis based on the collected image data; an advertisement extractor configured to extract at least one customized advertisement from among a plurality of pre-stored advertisements based on the extracted context information; and an advertisement provider configured to control the extracted customized advertisement to be displayed to the visitor through the doorbell is disclosed.

Abstract: A semiconductor memory device with improved performance by improving interface characteristics while reducing a leakage current, and a method for fabricating the same are provided. The semiconductor memory device includes a conductive line on a substrate, a first interlayer insulating layer exposing the conductive line and defining a channel trench on the substrate, a channel layer extending along a bottom and side surface of the channel trench, a first gate electrode and a second gate electrode spaced apart from each other in the channel trench, a first gate insulating layer between the channel layer and the first gate electrode, and a second gate insulating layer between the channel layer and the second gate electrode. The channel layer includes a first oxide semiconductor layer and a second oxide semiconductor layer sequentially stacked on the conductive line. The first oxide semiconductor layer has a greater crystallinity than the second oxide semiconductor layer.

Abstract: A semiconductor memory device with improved performance by improving interface characteristics while reducing a leakage current, and a method for fabricating the same are provided. The semiconductor memory device includes a conductive line on a substrate, a first interlayer insulating layer exposing the conductive line and defining a channel trench on the substrate, a channel layer extending along a bottom and side surface of the channel trench, a first gate electrode and a second gate electrode spaced apart from each other in the channel trench, a first gate insulating layer between the channel layer and the first gate electrode, and a second gate insulating layer between the channel layer and the second gate electrode. The channel layer includes a first oxide semiconductor layer and a second oxide semiconductor layer sequentially stacked on the conductive line. The first oxide semiconductor layer has a greater crystallinity than the second oxide semiconductor layer.

Abstract: A semiconductor manufacturing device comprising a support unit in a chamber. A showerhead disposed between first and second plasma regions. First and second gas supply units injecting first and second process gases, respectively, into the second plasma region through the showerhead. The showerhead includes plasma penetration portions passing a portion of the plasma generated in the first plasma region therethrough. First gas flow paths injecting the first process gas into a first zone of the showerhead. Second gas flow paths injecting the second process gas into a second zone of the showerhead that surrounds the first zone. First and second cavities connected to the first and second gas flow paths, respectively. The first and second cavities diffusing the first and second process gases, respectively. First and second gas spraying holes connected to the first and second cavities, respectively, and facing the second plasma region.

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: A method of detecting safety information in an electronic document includes obtaining text data in the electronic document, performing preprocessing for transforming an abbreviation existing in the obtained text data in the electronic document into a full term, indexing or classifying text existing in the preprocessed electronic document, determining whether the electronic document is an individual case safety report (ICSR) using drug information and adverse event information, and outputting at least one report including at least one of a first result of determining a reference, a second result of indexing or classifying text or a third result of determining whether it is an ICSR. The at least one report includes at least one individual report including one of the first result, the second result or the third result, or at least one of integrated reports including a result of integrating a plurality of results among the first result, the second result and the third result.