Abstract: The present disclosure relates to a system for installing a floor finishing material using an autonomous driving robot. According to the present disclosure, there is provided a system for installing a floor finishing material using autonomous driving including: a floor surface cleaning and adhesive application robot that cleans a floor surface and applies adhesive while moving with autonomous driving; a finishing material installation robot that installs the floor finishing material on an upper side of the adhesive surface; a finishing material loading robot that loads the floor finishing material loaded in an installation site, on a pallet; a finishing material transport robot that transports and delivers the loaded floor finishing material to the finishing material installation robot; and a 3D positioning device that sets a position thereof as an origin and recognizes positions of a plurality of active markers installed in a work site.

Abstract: The present disclosure retates to a method and device for prediction with a machine learning-based hybrid model. The prediction method includes: creating a first model for predicting a demand pattern for a combination of product features through K-means and ANN based on historical data; creating a second model for predicting a total demand for a period to be predicted using QRNN; predicting the demand pattern in the first model and the total demand in the second model by using features of the new product as input variables in the first model and the second model; creating a third model for calculating a specific demand for each time slot by reflecting the total demand predicted through the second model in the demand pattern calculated through the first model; and predicting a result using the third model.

Abstract: The present invention relates to an ottoman having a massaging apparatus. More specifically, the present invention relates to an ottoman having a massaging apparatus, the ottoman being usable as an ottoman enabling a part of the physical body of a user, sitting on a chair, to be conveniently put thereon at normal times, and being capable of conveniently massaging, if necessary, a part of the physical body of the user sitting on a chair.

Abstract: The present disclosure relates to a cell culture composition including a Chlorella extract. According to the cell culture medium composition including the Chlorella extract according to an aspect, the medium including the Chlorella extract can improve the cell proliferation ability of bovine myogenic stem cells. Thus, the Chlorella extract can be used as a substitute for fetal bovine serum.

Abstract: According to an embodiment of the present disclosure, there is provided a method for controlling a mobile target robot for sensor calibration.

Abstract: Disclosed is a multifocal lens having multiple waveplates. More particularly, the multifocal lens having multiple waveplates includes a lens having an incident surface and an opposite surface thereof; and two or more waveplates disposed on the lens in a direction of the same axis of the lens and made of a birefringent material, wherein respective phases of neighboring waveplates have opposite phase signs to have a complementary relationship, and when the number of waveplates is less than 2, the number of focal points increases.

Abstract: Provided are an epitaxial growth apparatus and a multi-layer gas supply module used therefor, the epitaxial growth apparatus including: a reaction chamber; a susceptor positioned in the reaction chamber and configured to seat a wafer thereon; and a multi-layer gas supply module configured to supply a gas to the reaction chamber to form an epitaxial layer on the wafer, wherein the multi-layer gas supply module includes an injector including ports of a plurality of layers, each of which discharges a different gas for each layer, among the ports of the plurality of layers, the ports of each layer including a center port corresponding to a central region of the wafer, and a pair of edge ports corresponding to both edge regions of the wafer, and a flow distribution unit configured to distribute gas flows input to the center port and the edge port among the ports of each layer independently from each other.

Abstract: The present invention relates to a phase conversion unit comprising: a first circuit board having a plurality of first circuit patterns; a plurality of second circuit boards each having a second circuit pattern, a partial area of which overlaps and is connected to one among the plurality of the first circuit patterns; a plurality of movement members for pressing the plurality of second circuit boards toward the first circuit board, moving the second circuit boards in a first direction to change the length by which the first circuit patterns and the second circuit pattern overlap each other, and thereby converting a phase through the changed length; and a housing disposed on the first circuit board and receiving the plurality of second circuit boards and the plurality of movement members.

Abstract: Provided are a method for forming a wick part for a vapor chamber and a method for manufacturing the vapor chamber. The method for forming the wick part for the vapor chamber includes a base material preparation step for preparing a base material of a chamber body in which a refrigerant is accommodated, a laser installation step for setting a laser emitter on one side of the base material prepared in the base material preparation step, and a wick part processing step for processing a wick part having a predetermined size into a predetermined engraved pattern by means of a predetermined emitted laser beam by using the laser emitter installed in the laser installation step, thereby providing the advantage of being able to improve the product productivity of the vapor chamber.

Abstract: A device and method with batch normalization are provided. An accelerator includes: core modules, each core module including a respective plurality of cores configured to perform a first convolution operation using feature map data and a weight; local reduction operation modules adjacent to the respective core modules, each including a respective plurality of local reduction operators configured to perform a first local operation that obtains first local statistical values of the corresponding core module; a global reduction operation module configured to perform a first global operation that generates first global statistical values of the core module based on the first local statistical values of the core modules; and a normalization operation module configured to perform a first normalization operation on the feature map data based on the first global statistical values.

Abstract: An aerosol-generating article according to one aspect of the present disclosure may include a tobacco medium portion, a filter portion disposed to be spaced apart from the tobacco medium portion, a cooling portion disposed between the tobacco medium portion and the filter portion, and a heat transfer portion surrounding at least a portion of the cooling portion.

Abstract: Disclosed is an extended depth-of-focus lens having multiple waveplates. More particularly, the extended depth-of-focus lens having multiple waveplates includes a lens having an incident surface and an opposite surface thereof; a lens waveplate made of a birefringent material, and disposed on the lens in a direction of a central axis of the lens to have phase distribution to increase the number of focal points; and a phase distortion waveplate made of a birefringent material, and disposed on the lens in a direction of a central axis of the lens to have a phase distribution to extend a depth of focus, wherein, in the waveplate layer, phases between neighboring lens waveplates, phases between phase distortion waveplates or phases between a lens waveplate and a phase distortion waveplate have opposite phase signs such that they are in a complementary relation.

Abstract: The present invention is directed to providing a vehicle module clip in which an angle formed between a pair of elastic arms, which perform a hooking operation while fitted to pass through a coupling hole and returning to an original state, is reduced to allow the elastic arms to be coupled to the coupling hole using a small force when the elastic arms pass through the coupling hole to perform the hooking operation and, when the module clip is separated from the coupling hole in a state in which the hooking operation is performed, lengths of the elastic arms decrease so that a greater force is required for allowing the elastic arms to be forcibly deformed and separated from the coupling hole so as not to easily separate the elastic arms from the coupling hole.

Abstract: The present invention relates to a positive electrode active material and a lithium secondary battery using a positive electrode containing the positive electrode active material. More particularly, the present invention relates to a positive electrode active material that is able to solve a problem of increased resistance according to an increase in Ni content by forming a charge transport channel in a lithium composite oxide and a lithium secondary battery using a positive electrode containing the positive electrode active material.

Abstract: The present invention relates to a resistance-based on-chip temperature sensor which may autonomously operate in a chip. A resistance-based on-chip temperature sensor according to an exemplary embodiment of the present invention includes: a first RC oscillator having an in-chip first resistor as a component; a second RC oscillator having an in-chip second resistor as the component; and a control unit determining the temperature of the chip according to what difference between the numbers of clocks output from the first and second RC oscillators, respectively is for the same time.

Abstract: There are provided a scenario similarity retrieval-based automatic scenario generation system and method. According to an embodiment, a scenario retrieval-based automatic scenario generation method includes: retrieving scenarios similar to a query scenario from a scenario DB for an autonomous driving test; filtering only scenarios that meet a selection condition from the retrieved scenarios; and converting components of the filtered scenarios to suit a target condition. Accordingly, a desired scenario may be automatically generated by retrieving a scenario similar to a targeted scenario, converting the retrieved scenario, and concretizing the scenario.

Abstract: A wearable device includes: a main frame configured to be mounted on a user's body; an image display module on the main frame and configured to display an image; a lens frame on an image display surface of the image display module, the lens frame being configured to refract image display light emitted from the image display module; a multi-channel lens forming an emission path of the image display light refracted by the lens frame for each of a plurality of channels; and an eyeball protection module on the main frame and configured to spray air, moisture, or a tear solution to the user's left and right eyes.

Abstract: A pseudo dual port memory device in which an operating speed is improved and stability is increased is provided. The pseudo dual port memory device may include a memory cell, a pair of bit lines connected to the memory cell, a write driver, a sense amp, and a column multiplexer which is connected to the bit lines, receives a write multiplexer control signal and a read multiplexer control signal, connects the bit lines to the write driver in response to the write multiplexer control signal, and connects the bit lines to the sense amp in response to the read multiplexer control signal. A precharge control signal generation circuit which is connected to the column multiplexer may generate a precharge control signal on the basis of the read and write multiplexer control signals, and a bit line precharge circuit may precharge the bit lines based on the precharge control signal.

Abstract: The present invention relates to a method for manufacturing a gas turbine rotor heat shielding segment, which is mounted on a rotor outer wall between a compressor and a turbine and shields the leakage of heat and gas so that gas of high-temperature and high-pressure is not transferred from a burner of a gas turbine to a rotor shaft during the operation of the gas turbine, and more specifically, to a method for manufacturing a gas turbine rotor heat shielding segment by three-dimensional printing, wherein a portion having a simplified shape is manufactured by casting, and a portion having a complex shape is manufactured by 3D printing.

Abstract: A vehicle control apparatus includes a sensor device that obtains position information and driving information of a vehicle, a communication device that receives traffic light information related to at least one traffic light associated with the position information from the outside thereof, and a controller configured for determining whether to provide a service prohibited for use while the vehicle is traveling, depending on a remaining time until a signal for allowing the vehicle to drive is turned on, which is determined based on at least one of the position information, the driving information, the traffic light information, or a combination thereof.