Abstract: The present invention relates to a steel sheet for use in automobiles, etc., and to a steel sheet that has high strength and high formability and is superb in terms of spot weldability, and a manufacturing method therefor.

Abstract: Disclosed are a three-dimensional (3D) simulation method and a 3D simulation apparatus. The 3D simulation method disclosed herein includes a step (S20) of separating point cloud data including a road, an obstacle, and a cargo transportation route into road data and obstacle data, a step (S40) of converting the road data into road mesh data, and converting the obstacle data into obstacle mesh data, a step (S60) of constructing a virtual environment by merging the road mesh data with the obstacle mesh data, a step (S80) of loading a specific cargo transportation route to the virtual environment, a step (S100) of loading a 3D transport truck and a 3D cargo to a predetermined point of the cargo transportation route, and a step (S120) of performing a route survey simulation while virtually driving the 3D transport truck and the 3D cargo along the cargo transportation route.

Abstract: Provided is a steel reinforcement including an amount of 0.07 to 0.43 wt % of carbon (C), an amount of 0.5 to 2.0 wt % of manganese (Mn), an amount of 0.05 to 0.5 wt % of silicon (Si), an amount greater than 0 and less than or equal to 0.5 wt % of chromium (Cr), an amount greater than 0 and less than or equal to 4.5 wt % of copper (Cu), an amount greater than 0 and less than or equal to 0.003 wt % of boron (B), an amount greater than 0 and less than or equal to 0.25 wt % of vanadium (V), an amount greater than 0 and less than or equal to 0.012 wt % of nitrogen (N), an amount greater than 0 and less than or equal to 0.03 wt % of phosphorus (P), an amount greater than 0 and less than or equal to 0.03 wt % of sulfur(S), an amount of 0.01 to 0.5 wt % of the sum of one or more of nickel (Ni), niobium (Nb) and titanium (Ti), the balance of iron (Fe), and other inevitable impurities. A final microstructure includes ferrite, bainite, pearlite, retained austenite, and precipitates comprising copper.

Abstract: Provided is a method of manufacturing a skin attachable thin film coated with a functional mixture, the method including: preparing a microstructured thin film including a base thin film and at least one microstructure protruding from the base thin film; and coating a functional mixture on the microstructure excluding a region of the base thin film in which the microstructure is not formed, wherein in the coating the mixture, the functional mixture is irregularly coated on the at least one microstructure.

Abstract: An independent steering apparatus includes a wheel of a vehicle, a knuckle integrally fixed to the wheel, a steering driving part configured to generate steering driving force, a deceleration part connected to an output shaft of the steering driving part and configured to transmit the steering driving force, and a deceleration part housing having the deceleration part located therein. In particular, the steering driving part is integrally fixed to the deceleration part housing, and the deceleration part housing is integrally fixed to the knuckle. The steering driving force generated by the steering driving part is transmitted to the deceleration part housing through the deceleration part, thereby rotating the knuckle.

Abstract: Provided are an active droplet generating apparatus capable of controlling a droplet size, a method of controlling a droplet size using the same, and a self-diagnosis apparatus for diagnosing generation of a droplet, the active droplet generating apparatus including: a disposable microchannel upper plate; a multifunctional lower plate separated from the disposable microchannel upper plate and configured to be permanently used separately from the disposable microchannel upper plate; a functional polymeric film provided on a lower surface of the upper plate; a negative pressure forming means; and a flow velocity control device configured to adjust the droplet size to a desired size by receiving, by feedback, the voltage value measured by the droplet measuring electrode and controlling flow velocities of the oil and the sample, thereby controlling the droplet size in a feedback control manner by quickly and accurately measuring the droplet size using a capacitance impedance technique.

Abstract: A capacitor-less semiconductor memory device and a method for fabricating the same are provided. The semiconductor memory device includes a first metal-oxide semiconductor film, a second metal-oxide semiconductor film spaced apart from the first metal-oxide semiconductor film, a first gate electrode intersecting the first metal-oxide semiconductor film and the second metal-oxide semiconductor film, a first gate dielectric film interposed between the first metal-oxide semiconductor film and the first gate electrode, a charge storage film in the first gate dielectric film, the charge storage film extending along at least a portion of the first metal-oxide semiconductor film and connected to the second metal-oxide semiconductor film, a second gate electrode spaced apart from the first gate electrode and intersecting the second metal-oxide semiconductor film, and a second gate dielectric film interposed between the second metal-oxide semiconductor film and the second gate electrode.

Abstract: A vehicle control device and a vehicle driving control method include determining whether a motion sickness prevention mode is entered, based on road condition information and user-configured information about whether to activate the motion sickness prevention mode, during driving of a vehicle, and controlling, when the motion sickness prevention mode is entered, the vehicle based on a torque profile generated to reduce a passenger's feeling of acceleration or deceleration depending on whether the vehicle accelerates or decelerates in a high-speed driving situation where the vehicle's speed exceeds a predetermined first reference speed.

Abstract: A method for manufacturing a deposition mask includes depositing a seed metal layer on a front surface of a silicon substrate, forming a first photoresist pattern defining first openings on the seed metal layer, growing a plating layer in the first openings of the first photoresist pattern, forming a mask membrane by removing the first photoresist pattern and leaving the plating layer, depositing a protection layer to cover a front surface of the mask membrane, forming a second photoresist pattern defining cell opening corresponding to unit masks, respectively, on a back surface of the silicon substrate, exposing the seed metal layer by etching the back surface of the silicon substrate using the second photoresist pattern as a mask, exposing a back surface of the mask membrane by etching the seed metal layer using the second photoresist pattern as a mask, and removing the protection layer.

Abstract: A vehicle control device and a vehicle driving control method includes determining whether a motion sickness prevention mode is entered, based on road condition information and user-configured information about whether to activate the motion sickness prevention mode, while a vehicle is driving, and controlling, in case that the motion sickness prevention mode is entered, the vehicle by varying driving control factors, which includes at least one of longitudinal limit acceleration, a hydraulic braking amount, a regenerative braking amount, a braking distribution ratio, and a shift gear configured for the vehicle, depending on whether the vehicle accelerates or decelerates in a low-speed driving situation where the vehicle's speed is equal to or lower than a predetermined first reference speed.

Abstract: A method for preparing a recycled polymer is provided. The method includes: bringing a recovered polymer containing an additive into contact with an impregnation solvent in an impregnation tank to obtain a slurry containing a swollen polymer and an eluate; separating the slurry into a solid mixture containing the swollen polymer and a liquid mixture containing the eluate in a solid-liquid separator; and obtaining a recycled polymer from the solid mixture and recovering the additive from the liquid mixture, wherein the impregnation solvent is a mixed solvent of two or more solvents.

Abstract: Disclosed is an interface circuit and a semiconductor device including the same. The interface circuit may include a data pad, a first driving circuit connected between the data pad and a first supply node, and configured to adjust a first resistance value applied between the data pad and the first supply node according to termination modes and selectively drive the data pad with a first supply voltage, and a first tuning circuit connected between the first supply node and a first voltage supply terminal, and configured to tune the first resistance value according to the termination modes.

Abstract: An apparatus and a method for improving the localization accuracy of an autonomous vehicle using an AVPS marker. An example method comprises recognizing a first coded marker around an entry space in a parking facility to generate coded marker recognition information, estimating a position and orientation of the recognized coded marker based on the coded marker recognition information and parameters of at least one camera, obtaining information on a second coded marker with the same ID as the recognized coded marker from a marker database containing information on an ID, position, orientation and size of each of a plurality of coded markers installed in the parking facility, calculating an error based on the coded marker recognition information and the information on the second coded marker, and performing calibration based on the error when the error is greater than or equal to a preset threshold.

Abstract: A vehicle control device and a vehicle driving control method include comparing a vehicle's speed with a predetermined first reference speed when a motion sickness prevention mode is entered based on user-configured information about whether to activate the motion sickness prevention mode during driving of the vehicle, and controlling, based on a result of the comparison with the first reference speed, the vehicle to reduce a change in longitudinal acceleration of the vehicle or reduce a feeling of acceleration or deceleration experience by a passenger in the vehicle in consideration of whether an obstacle is recognized.

Abstract: The present specification relates to a method of encrypting, by a wireless device, a data packet in advertising broadcast communication for Bluetooth low energy (BLE). The method includes: acquiring a preset unique identifier (ID) and user data, the data packet including an advertising address, a header, the unique ID, a sort ID, and the user data; encrypting the unique ID and the user data; generating a message authentication code (MAC); and generating an encrypted data packet, the encrypted data packet including the encrypted unique ID, the encrypted user data, and the MAC.

Abstract: Disclosed are a perovskite color converter and a method for manufacturing the same. In order to maintain strong physical properties, the siloxane resin is synthesized in two steps. The silane precursor performs siloxane bond through a non-aqueous sol-gel reaction to form a siloxane resin, and a bond between methacrylate group, and a bond between methacrylate group and an organic ligand are formed through a secondary cross-linking reaction.

Abstract: The present invention relates to a method for determining a touchdown position of a robot performed by a computing device, the method comprising the steps of: detecting a disturbance during swing of a first leg of the robot toward a first touchdown position, calculating a second touchdown position based on a dynamic state of the robot in response to the detection of the disturbance, identifying a step obstacle region based on terrain information of the robot and determining whether the second touchdown position belongs to the step obstacle region, and determining a third touchdown position out of the step obstacle region as the touchdown position of the first leg, in a case in which the second touchdown position belongs to the step obstacle region.

Abstract: A display device includes: a pixel defining layer defining openings arranged in first and second directions, the openings forming emission areas in which light emitting elements are disposed to emit light of different colors; a light blocking layer disposed on the pixel defining layer, and defining holes, each overlapping the opening and having a larger diameter than the opening; and color filters disposed on the light blocking layer to overlap the holes and overlap the emission areas. The opening has an opening interval, which is defined as a difference in diameter between the overlapping hole and the opening, in the openings, among homogeneous openings in which the light emitting elements for emitting light of the same color are disposed, the homogeneous openings adjacent in the first or second direction have different opening intervals, and among the homogeneous openings, openings having different opening intervals are at least three types.