Abstract: A composite negative electrode active material for a rechargeable lithium battery includes the silicon-based negative electrode active material and a conductive material entangled on the surface of the Si-based negative electrode active material. The silicon-based negative electrode active material includes silicon nanoparticles and amorphous carbon coating layers on the surfaces of the silicon nanoparticles. The silicon-based negative electrode active material is porous and has a sphericity of 0.9 to 1.0. The pores include mesopores, and the ratio of a mesopore volume to the total pore volume of the Si-based negative electrode active material is 30% or more and less than 70%.

Abstract: A virtual machine optimal arrangement recommendation apparatus according to an embodiment of the present invention may be a virtual machine optimal arrangement recommendation apparatus for optimal arrangement of a virtual machine operated on a physical server and may include a collection module configured to collect operation information, which is information generated when a manager operates the physical server; a preference evaluation module configured to calculate a preference evaluation value related to management preference of the manager by using a predetermined preference calculation method based on the operation information; and a recommendation module configured to calculate recommendation information for recommending virtual machine arrangement on the physical server to the manager by reflecting the preference evaluation value.

Abstract: A monitoring device according to an embodiment of the present invention is a monitoring device for monitoring an operation of at least one virtual machine operated on a physical server within allocated resources of a cloud integrated operation system and include a transmission and reception module configured to collect operating information generated in the virtual machine, a monitoring module configured to monitor whether the virtual machine operates abnormally based on the operating information collected by the transmission and reception module, a model operating module configured to operate a monitoring learning model that assists in a monitoring function of the monitoring module in response to a request from the monitoring module, and a schedule module configured to determine an operating time of the monitoring learning model through a predetermined time determination method so that the monitoring learning model can be operated within the allocated resources.

Abstract: A pixel includes a first transistor connected to a second node, and having a gate connected to a first node, a second transistor connected to a third node, and having a gate electrically connected to a first scan line, a third transistor between the first and second nodes, and having a gate electrically connected to a fifth scan line, a fourth transistor connected to the first node, and having a gate electrically connected to a third scan line, a fifth transistor connected to the third node, and having a gate electrically connected to a second scan line, a sixth transistor between the second and fourth nodes, and a light-emitting element, wherein the fifth scan line receives a fifth scan signal in a non-emission period in which the sixth transistor is turned off, and the second scan line receives a second scan signal after the fifth scan signal.

Abstract: A display device includes a display module including a first non-folding area, a second non-folding area, and a folding area disposed between the first non-folding area and the second non-folding area, and a panel support including a first panel support, an auxetic structure, and a second panel support disposed below the display module and sequentially disposed in a first direction. The first panel support overlaps the first non-folding area, the second panel support overlaps the second non-folding area, and the auxetic structure overlaps the folding area. The auxetic structure includes a plurality of repeated unit patterns, the unit pattern is asymmetrical with respect to a first virtual line passing through a central point of the unit pattern, and the first virtual line is parallel to a folding axis of the folding area extending in a second direction perpendicular to the first direction.

Abstract: A root cause analysis system according to an embodiment of the present disclosure may include: an Analysis tool calculator that operates in a microservice environment and calculates a corresponding analysis tool, which is a member of analyzing a root cause of target software, based on comparison software configured of corresponding independent modules, which are independent modules classified by function to correspond to the target software, which is software to be analyzed; and a Cause analyser that analyzes the root cause of an abnormal operation occurring in the target software using the corresponding analysis tool.

Abstract: Systems and methods for diagnosing rapidly degrading battery cells are disclosed. A direct current (DC) pulse is applied to a battery cell during at least one of a charging process or a discharging process. The change in voltage over time in response to the applied DC pulse is measured to determine direct current internal resistance (DCIR). A charge transfer resistance (Rct) component of the DCIR is isolated by excluding an ohmic resistance (Ro) component from the DCIR. The battery cell is diagnosed as rapidly degrading by predicting at least one state of health (SOH) of the battery cell indicative of rapid cell degradation.

Abstract: An embodiment plastic composite material parts forming apparatus includes a press mold, a composite material forming source disposed on the press mold and configured to be pressed into a set shape by the press mold, a mold pin assembly mounted on the press mold, and an insert nut detachably attached to the mold pin assembly to be inserted into the composite material forming source and having a head flange portion configured to face-contact the mold pin assembly.

Abstract: A driving module includes a housing rotatably supported about a knuckle unit, a barrel unit rotatably supported by the housing, a first rotation input unit and a second rotation input unit rotatably supported by the knuckle unit, a first gear unit engaged with the first rotation input unit to transmit a rotation force input from the first rotation input unit to the housing or the barrel unit, a second gear unit engaged with the second rotation input unit and the first gear unit to transmit a rotation force input from the second rotation input unit to the housing or the barrel unit, and a controller configured to control rotations of the first rotation input unit and the second rotation input unit independently of each other to selectively rotate the housing or the barrel unit so that a vehicle is movable in all directions.

Abstract: A pixel includes a first transistor including a gate electrode connected to a first node and connected between a first driving power source node and a second node; a second transistor connected between a data line and a third node and including a gate electrode connected to a first scan line; a third transistor connected between the first node and the second node and including a gate electrode connected to a second scan line; a fourth transistor connected between an initialization power source node and the first node and including a gate electrode connected to a third scan line; a fifth transistor connected between a reference power source node and the third node; a sixth transistor connected between the second node and a fourth node and including a gate electrode connected to an emission control line; and a light emitting element connected to the fourth node.

Abstract: An embodiment relates to a method for providing responses through a prompt pipeline structure, and more particularly, a pipeline construction method based on combinations of prompt units. The method comprises: configuring one or more prompt layers selected from among candidate artificial intelligence models based on at least one of availability, cost, and performance of each artificial intelligence model; configuring, for each layer, a set of prompt modules according to the selected artificial intelligence model; and constructing a pipeline by selecting, from among preset candidate prompt units for each of the prompt modules included in the prompt module set, one or more prompt units satisfying specific conditions, and configuring, based on the selected prompt units, combinations of prompt units for the respective prompt modules included in the prompt module set.

Abstract: A calculation system that calculates a usage right for resources of a cloud server by a user using a cloud service according to an embodiment of the present disclosure may include: a reception module that generates analysis activity information, which is activity information generated while the user uses the cloud server, in order to determine the usage right; a right module that uses a predetermined analysis method based on the analysis activity information to calculate a corresponding right, which is the usage right corresponding to the analysis activity information and applicable only to a specific user; and a transmission module that transmits a recommendation right calculated utilizing the corresponding right through a predetermined path.

Abstract: According to an embodiment disclosed herein, a battery management apparatus includes a memory and a controller, in which the controller may be configured to obtain first charging/discharging data by performing a charging/discharging cycle on a first battery cell a first number of times, input input data comprising the first charging/discharging data to a two-dimensional (2D) convolutional neural network (CNN) trained based on second charging/discharging data obtained by performing the charging/discharging cycle on a second battery cell a second number of times, and predict a state of health (SOH) of the first battery cell, based on result data output through the 2D CNN in response to the input data.

Abstract: A clutch for preventing backdrive includes a housing, a cover portion located at one end portion of the housing, an external shaft, at least a portion of which is located in the housing, and another end portion of which passes through the housing, a plurality of lockers located inside the housing and surrounding the first end portion of the external shaft, an input shaft, a first end portion of which is inserted into openings of the plurality of lockers and a second end portion of which is configured to pass through the cover portion, and a brake unit configured to be selectively engaged to the lockers to restrict rotations of the lockers. The external shaft is restricted by the lockers so that the external shaft and the lockers are rotated in a rotation direction of the input shaft, and movements of the lockers are restricted by the brake unit when the external shaft is rotated.

Abstract: A multilayer electronic component includes a body including dielectric layers and a plurality of internal electrodes stacked on each other in a first direction, and having a respective one of the dielectric layers interposed therebetween; a thermoelectric element disposed inside the body; and external electrodes disposed outside the body.

Abstract: An embodiment independent corner module includes a knuckle fastened to a wheel, a steering frame fastened to the knuckle, the steering frame having an upper end configured to be fixed to a vehicle body and to rotate together with the knuckle to apply a steering angle to the wheel, a steering drive unit fastened to the steering frame, and a body guide rail fastened to the steering drive unit and configured to be disposed on the vehicle body, wherein, in response to reception of a driving force of the steering drive unit, the steering drive unit is configured to be rotated along the body guide rail and the steering frame is configured to be rotated simultaneously along with the rotation of the steering drive unit.

Abstract: An embodiment roof assembly for a vehicle includes a roof panel including a core, an upper skin attached to a top surface of the core, and a lower skin attached to a bottom surface of the core, a face sheet disposed above the roof panel, and a foam layer interposed between the roof panel and the face sheet.

Abstract: An independent corner module includes an axle fastened to and positioned on a wheel, a steering frame fastened to the axle and rotated integrally with the axle to apply a steering angle to the wheel, a vehicle body guide rail positioned on a vehicle body and fastened to a rotation center axis of the steering frame, a steering driving portion positioned between the steering frame and the vehicle body guide rail to apply a driving force, and a leaf spring unit positioned between the axle and the steering frame, in which the steering driving portion is rotated along the vehicle body guide rail in response to the driving force of the steering driving portion, and at a same time, the steering frame is configured to be rated around the steering driving portion.

Abstract: An independent steering system includes a knuckle fastened to inside of a wheel and driven integrally with the wheel, an upper arm fastened to an upper end portion of the knuckle, a lower arm fastened to a lower end portion of the knuckle, a steering motor positioned on the lower arm, and a steering gear portion having a first end portion connected to the steering motor and a second end portion engaged to the knuckle, wherein the steering gear portion rotates integrally with the knuckle by a rotation force of the steering motor.

Abstract: A vehicle height control system includes an arm including a first end portion connected to a vehicle body and a second end portion coupled to a wheel, a bearing unit fixed to the vehicle body, a crank coupled to the bearing unit, a push rod including a first end portion connected to the crank and a second end portion connected to the arm, and a spring reaction force variable device coupled to the bearing unit and configured to vary reaction force applied to the crank.