Abstract: A method and a device for direct communication in a communication system supporting multiple links are disclosed. A method of an AP MLD comprises the steps of: transmitting a trigger frame in multiple links including a first link and a second link; receiving a response frame for the trigger frame from a first STA associated with an STA MLD in the first link; receiving a first data frame from a third STA in the second link; and when a subject to receive the first data frame is a second STA associated with the STA MLD, transmitting a second data frame generated on the basis of the first data frame, to the first STA in the first link.

Abstract: A lung phantom unit for radiotherapy according to an embodiment of the present disclosure may arrange, at a location not affected by a magnetic field, a phantom driving cylinder and a driving device which may move a lung mimic and a tumor mimic in a lung simulation block. The lung phantom unit may be used for general purpose even as a phantom for MRI-based and CT image-based radiotherapy. Since lung and tumor motions are implemented by air injection, it may be possible to precisely measure the motion and volume change of a lung according to subtle changes in air pressure so that customized radiotherapy suitable for a patient having various breathing patterns is possible.

Abstract: A nonvolatile memory device including a substrate extending in a first direction, a ground selection line extending in the first direction on the substrate, a plurality of word lines stacked sequentially on the ground selection line and extending in the first direction, a landing pad spaced apart from the ground selection line and the plurality of word lines in the first direction, a rear contact plug connected to a lower face of the landing pad and extending in a second direction intersecting the first direction, a front contact plug connected to an upper face of the landing pad opposite the lower face and extending in the second direction, an input/output pad electrically connected to the rear contact plug, and an upper bonding pad electrically connected to the front contact plug and connected to at least a part of a plurality of circuit elements of the nonvolatile memory device.

Abstract: The present invention relates to a novel heterocyclic compound and a composition, for preventing or treating a cancer, an autoimmune disease, and an inflammatory disease, comprising same. The novel heterocyclic compound of the present invention is a bifunctional compound having a Bruton's tyrosine kinase (BTK) degradation function via a ubiquitin proteasome pathway, and may be utilized as a composition for preventing or treating a cancer, an autoimmune disease, and Parkinson's disease.

Abstract: A method and a device for shard communication in a wireless LAN are disclosed. A method of a first STA comprises the steps of: receiving a first frame for allocation of a shared communication period from an AP; identifying the shared communication period on the basis of one or more fields included in the first frame; and performing shared communication with a second STA in the shared communication period, wherein the shared communication period is configured within a TXOP configured between the AP and a third STA.

Abstract: An information management apparatus may include a storage device that separately stores ontology information of an intelligent robot that provides a service and includes a plurality of repositories each having meta information. A storage management device sorts and stores ontology information of the intelligent robot in the plurality of repositories based on a prefix of the ontology information of the intelligent robot and the meta information.

Abstract: The present invention relates to a high-performance adhesive roll cleaner including: an adhesive tape roll formed by winding an adhesive tape, having an adhesive layer formed on one surface of a warp-knitted fabric base layer, so that the adhesive layer faces outward; and a support body configured to rotatably support the adhesive tape roll; wherein the warp-knitted fabric base layer may be continuously cut at intervals of 2 mm. The present invention may provide remarkable advantages in that the adhesive tape may be easily cut at a desired position during use, and may be used repeatedly due to the excellent initial tack thereof, so that the economic efficiency thereof may be maximized while the waste thereof is prevented.

Abstract: A motor driving apparatus of driving a motor including a plurality of windings respectively corresponding to a plurality of phases is disclosed The motor driving apparatus includes a first inverter including a plurality of first switching elements and connected to a first end of each of the windings, a second inverter including a plurality of second switching elements and connected to a second end of each of the windings, and a controller connected to the first switching elements and the second switching elements and configured to determine an effective vector closest to a voltage vector corresponding to a preset voltage command of the motor as a duty of the plurality of second switching elements and to control pulse width modulation of the first switching elements using a value obtained by adding the effective vector corresponding to the duty of the second switching elements to the voltage command of the motor as a voltage command of the first inverter.

Abstract: A motor driving apparatus that drives a motor including a plurality of windings respectively corresponding to a plurality of phases, may include a first inverter including a plurality of first switching elements, and connected to a first end of each of the windings; a second inverter including a plurality of second switching elements, and connected to a second end of each of the windings; and a controller including a current controller to produce, based on a predetermined current command of the motor, a voltage command for determining a switching duty of the first switching elements and the second switching elements, wherein the current controller is configured to produce a zero-phase component voltage command among the voltage commands by applying 3rd harmonic feedforward compensation.

Abstract: A charging system and method using a motor driving system which can charge a vehicle battery using charging equipment providing various voltages using a motor driving system provided in a vehicle and improve charging efficiency by selectively determining a charging mode in response to an actual voltage state of the vehicle battery.

Abstract: A motor driving apparatus that drives a motor including a plurality of windings respectively corresponding to a plurality of phases, may include a first inverter including a plurality of first switching elements, and connected to a first end of each of the windings; a second inverter including a plurality of second switching elements, and connected to a second end of each of the windings; and a controller including a current controller to produce, based on a predetermined current command of the motor, a voltage command for determining a switching duty of the first switching elements and the second switching elements, wherein the current controller is configured to produce a zero-phase component voltage command among the voltage commands by applying 3rd harmonic feedforward compensation.

Abstract: A nanostructure including a metal core, a metal shell surrounding the metal core, and a dielectric layer disposed between the metal core and the metal shell and including a quantum dot, a composite including the nanostructure, a display panel including the composite, and an electronic device including the display panel.

Abstract: A motor driving apparatus of driving a motor including a plurality of windings respectively corresponding to a plurality of phases is disclosed The motor driving apparatus includes a first inverter including a plurality of first switching elements and connected to a first end of each of the windings, a second inverter including a plurality of second switching elements and connected to a second end of each of the windings, and a controller connected to the first switching elements and the second switching elements and configured to determine an effective vector closest to a voltage vector corresponding to a preset voltage command of the motor as a duty of the plurality of second switching elements and to control pulse width modulation of the first switching elements using a value obtained by adding the effective vector corresponding to the duty of the second switching elements to the voltage command of the motor as a voltage command of the first inverter.

Abstract: A battery-heating system and method using a motor-driving system is provided. The battery-heating system includes an inverter having legs respectively including a pair of switching elements connected in series between the ends of a battery and corresponding to a plurality of phases. A motor of the system includes coils each having one end connected to a connection end between a pair of switching elements of the legs, other ends of the plurality of coils being connected together. A controller determines one of the plurality of phases as a reference phase, and alternately controls the on-off states of the switching elements so that the on-off state of the switching element included in the leg corresponding to the reference phase and the switching element included in the other leg are mutually complementary, thereby generating AC current to be injected into the battery.

Abstract: A battery heating system and method using a motor driving system are provided. A temperature of a battery is increased by injecting an alternating current into the battery so that charging and discharging of the battery is repeated using the motor driving system including an inverter and a motor provided in a vehicle.

Abstract: A system for increasing a temperature of a battery includes: an inverter comprising a plurality of legs corresponding to a plurality of phases, respectively, wherein each of the legs comprises a pair of switching elements connected in series to both terminals of the battery, respectively; a motor comprising a plurality of coils corresponding to the plurality of phases, respectively, wherein each of the plurality of coils has one end connected to a connection node between the pair of switching elements included in each leg of the inverter, each leg corresponding to each of the plurality of coils, and other ends of plurality of coils are connected to each other; and a controller generating a battery application AC current applied to the battery by controlling on and off states of the pair of switching elements included in the legs of the inverter.

Abstract: A DC-to-DC converter includes a first capacitor, first to fourth switches connected in series between first and second electrodes of the first capacitor, a second capacitor connected to a connection node of the first switch and the second switch and a connection node of the third switch and the fourth switch, an inductor connected to a connection node of the second switch and the third switch, and a controller that performs PWM control. In a case where a failure occurs in the second capacitor, the DC-to-DC converter performs PWM control such that the first switch and the second switch enter the same state and the third switch and the fourth switch enter the same state on the basis of a result of comparison between a first detection voltage that is a measured output voltage and a target output voltage of the DC-to-DC converter.

Abstract: An embodiment vehicle charging device includes a battery, an inverter electrically connected to the battery, a communicator configured to communicate with a constituent element included in a vehicle, and a controller configured to identify whether a person is present within a predetermined reference distance range from the vehicle based on signals received through the communicator during charging of the battery and to adjust a switching frequency of the inverter such that a voltage supplied to the battery is converted based on the identification result indicating presence or absence of the person within the predetermined reference distance range.

Abstract: The present invention relates to a high-performance adhesive roll cleaner including: an adhesive tape roll formed by winding an adhesive tape, having an adhesive layer formed on one surface of a warp-knitted fabric base layer, so that the adhesive layer faces outward; and a support body configured to rotatably support the adhesive tape roll; wherein the warp-knitted fabric base layer may be continuously cut at intervals of 2 mm. The present invention may provide remarkable advantages in that the adhesive tape may be easily cut at a desired position during use, and may be used repeatedly due to the excellent initial tack thereof, so that the economic efficiency thereof may be maximized while the waste thereof is prevented.

Abstract: A system for increasing a temperature of a battery includes: an inverter comprising a plurality of legs corresponding to a plurality of phases, respectively, wherein each of the legs comprises a pair of switching elements connected in series to both terminals of the battery, respectively; a motor comprising a plurality of coils corresponding to the plurality of phases, respectively, wherein each of the plurality of coils has one end connected to a connection node between the pair of switching elements included in each leg of the inverter, each leg corresponding to each of the plurality of coils, and other ends of plurality of coils are connected to each other; and a controller generating a battery application AC current applied to the battery by controlling on and off states of the pair of switching elements included in the legs of the inverter.