Abstract: Disclosed is a battery module, which includes a cell stack including a plurality of battery cells; a compression member disposed on at least one side of the cell stack and interposed in a gap between the battery cells, the compression member being configured to be shape-deformable by an external pressure; and a pressurizing member configured to pressurize the compression member on the at least one side of the cell stack.

Abstract: Proposed is an apparatus and a method for providing a digital twin using a data-based reduced-order model. The method for providing a digital twin includes receiving an operation condition for a gas turbine apparatus when the gas turbine apparatus starts to operate, deriving a physical quantity of the gas turbine apparatus's component corresponding to the operation condition by using a reduced-order model including a plurality of sub-models, visualizing the physical quantity of the gas turbine apparatus's component, and controlling the gas turbine apparatus based on the physical quantity.

Abstract: Proposed is an apparatus for updating a digital twin-based model and method therefor, wherein the method includes collecting a sensor data representing a measured physical quantity of a component of a gas turbine apparatus and measured through a sensor when the gas turbine apparatus operates, deriving a state data representing whether a state of the component is a normal state or an abnormal state by analyzing the sensor data through an reduced order model generated using first training data derived through numerical analysis, deriving a state vector representing the state of the component as a probability by performing inference on the sensor data through a verification model generated from second training data, and controlling the gas turbine apparatus based on a comparison between the state data and the state vector.

Abstract: Proposed are an apparatus using root cause analysis (RCA) for predicting blade damage and a method therefor. The method for predicting damage includes generating a reduced-order model that derives damage information indicating damage to a blade according to operation conditions of a gas turbine apparatus and a displacement of the blade, measuring the displacement of the blade through a displacement measurement sensor when an operation of the gas turbine apparatus begins under the operation conditions according to a user's input, and deriving the damage information corresponding to the operation conditions and the displacement of the blade through the reduced-order model.

Abstract: Provided is a lubricating oil composition including a lubricating oil additive and a lubricating oil, the lubricating oil additive having nanodiamonds, of which a surface is hydrophobically modified by a surface treatment, dispersed in a base oil. The lubricating oil composition retains dispersibility over a long period of time and thus can ensure storage stability. Machines to which the lubricating oil composition is applied may have improved abrasion resistance as well as improved fuel consumption and reduced noise, and high thermal conductivity of the lubricating oil composition may also increase cooling efficiency and the service life of machines.

Abstract: Provided is a power supply system disclosure comprising: a high-voltage battery; a low-voltage battery configured to supply power to a low-voltage electronic device; a DC-DC converter connected between the high-voltage battery and the low-voltage battery; and a controller configured to control the DC-DC converter so as to charge the low-voltage battery by using the high-voltage battery, wherein the high-voltage battery comprises: a first cell module comprising a plurality of first battery cells; a second cell module which is electrically connected to the first cell module and comprises a plurality of second battery cells; and a switching module configured to switch between a first connection state, in which the first cell module and the second cell module charge the low-voltage battery; and a second connection state in which the second cell module charges the low-voltage battery or supplies power to the low-voltage electronic device.

Abstract: A laminated glass antenna structure includes: a lower glass sheet including a first surface facing inside and a second surface at the upper end thereof; an upper glass sheet including a third surface adjacent to the lower glass sheet; an adhesive film positioned between the upper glass sheet and the lower glass sheet; and an antenna unit including a plurality of microstrip patch unit cells provided on the second surface and the third surface with respect to a ground plane provided on the first surface.

Abstract: The present invention relates to a roll-type hook tape for providing a disposable diaper hook member, which is more stably fastened to a loop member which is a counterpart of the hook member, and greatly contributes to manufacturing and commercialization in the form of a roll.

Abstract: A furnace for producing a secondary battery cathode material according to an exemplary embodiment of the present invention includes; a chamber of which the internal space is heated by a heater, a conveyer installed in the chamber and conveying a sagger containing raw material power of a cathode material of a secondary battery in one direction; and a gas supply nozzle and an exhaust port installed in the chamber. The chamber is divided into a front chamber, an intermediate chamber, and a rear chamber. The intermediate chamber has an inlet shutter and an outlet shutter for sealing the internal space thereof, and an exhaust port of the intermediate chamber is connected to an exhaust device for discharging gas.

Abstract: Proposed is a latch assembly with reduced rattle noise. The latch assembly includes a latch bracket mounted on a seatback frame, and includes a latch having a rear side portion hinge-coupled to the latch bracket, having a front side portion bent downward, and having an end portion provided with a claw portion. Furthermore, the latch assembly includes a cable connected to an upper surface of the latch, a hinge bracket coupled to the rear side portion of the latch, a pressing bar horizontally positioned below the claw portion, and a link unit connecting the hinge bracket and the pressing bar to each other, the link unit being connected to the latch bracket, and the link unit being configured such that the pressing bar is moved upward when the latch is rotated downward.

Abstract: A camera module is provided and includes an image sensor and a printed circuit board (PCB) structure electrically coupled to the image sensor. The PCB structure may include a first layer disposed under the image sensor, a second layer disposed between the first layer and the image sensor, a first conductive pattern formed on the first layer and electrically coupled to the image sensor through one end portion of the first conductive pattern so as to transfer a signal obtained from the image sensor to an external electronic component, and a first open space formed in the second layer such that the one end portion of the first conductive pattern is exposed to a surface of the PCB structure.

Abstract: An apparatus for calcining a secondary battery cathode material includes: a calcination furnace including an inner space that includes a temperature rising space, a temperature maintaining space, and a cooling space, which sequentially communicate; a plurality of rollers for transferring a sagger, in which a cathode material is accommodated, from the temperature rising space to the cooling space via the temperature maintaining space; a plurality of heaters arranged along the inner space; a plurality of gas feeding parts for feeding gas to the inner space; and a plurality of exhaust parts for exhausting gas from the inner space, wherein the cross-sectional area of the temperature maintaining space is smaller than the cross-sectional area of the temperature rising space and the cross-sectional area of the cooling space.

Abstract: A vertical type apparatus for firing a cathode material of a secondary battery is provided. The vertical type apparatus for firing the cathode material according to the present disclosure includes a plurality of saggers, each having an open upper portion, provided with a through-slit for gas flow in a lower surface thereof, and loaded with the cathode material therein, and a plurality of unit firing furnaces, each having an open upper portion, each plurally stacked in the vertical direction, each receiving the respective sagger.

Abstract: A display device includes an organic light emitting diode, a first transistor driving the organic light emitting diode, a second transistor transmitting a data signal to the first transistor, a third transistor transmitting a first power voltage to the first transistor, wherein a semiconductor pattern of the first transistor is disposed over a semiconductor pattern of the second transistor, a semiconductor pattern of the third transistor is disposed over the semiconductor pattern of the first transistor, a lower transistor insulating film is disposed between the semiconductor pattern of the first transistor and the semiconductor pattern of the second transistor, and an upper transistor insulating film is disposed between the semiconductor pattern of the first transistor and the semiconductor pattern of the third transistor.

Abstract: Disclosed is an apparatus for selecting a high-quality golf ball, the apparatus including a measurer configured to transmit a signal toward a golf ball and receive a signal reflected from the golf ball or a signal transmitted through the golf ball; and an analyzer configured to select a golf ball by analyzing the received signal.

Abstract: Provided is a lubricating oil composition including a lubricating oil additive and a lubricating oil, the lubricating oil additive having nanodiamonds, of which a surface is hydrophobically modified by a surface treatment, dispersed in a base oil. The lubricating oil composition retains dispersibility over a long period of time and thus can ensure storage stability. Machines to which the lubricating oil composition is applied may have improved abrasion resistance as well as improved fuel consumption and reduced noise, and high thermal conductivity of the lubricating oil composition may also increase cooling efficiency and the service life of machines.

Abstract: The present invention is a smart golf cart system, which relates to a smart golf cart system comprising: a golf cart including a driving module and a wireless communication module, which are configured to move according to a preset signal, and configured to load a user's golf equipment; an RTK GNSS module providing GNSS information including location information of the golf cart through communication with the wireless communication module; a GIS module including a library part in which map information of a golf course is stored in advance, wherein the map information is in the form of GIS information including altitude information; and a path calculation module for calculating the path of the golf cart, wherein the path calculation module receives GNSS information of the golf cart through the RTK GNSS module to calculate an initial path, generates an avoidance path based on the GIS information of the initial path provided from the GIS module to form a reference path, and controls the driving module depending

Abstract: A display device is provided.

Abstract: A laminated glass antenna structure includes: a lower glass sheet including a first surface facing inside and a second surface at the upper end thereof; an upper glass sheet including a third surface adjacent to the lower glass sheet; an adhesive film positioned between the upper glass sheet and the lower glass sheet; and an antenna unit including a plurality of microstrip patch unit cells provided on the second surface and the third surface with respect to a ground plane provided on the first surface.

Abstract: An antenna apparatus includes: a ground plane including first sides parallel to a first direction and second sides parallel to a second direction, on a plane formed in the first and second directions; a dielectric layer disposed on the ground plane in a third direction; an antenna patch overlapping the ground plane in the third direction; and vias connected to the ground plane and passing through at least a portion of the dielectric layer. Edges of the vias at least partially overlap the first sides of the ground plane in the third direction.