Abstract: The present invention relates a technique pertaining to a method and device for guiding wash cycles, and the method for guiding wash cycles according to an embodiment of the present invention comprises: a step in which a server communication unit of a management server receives, from a washer, data obtained by putting laundry thereinto and then performing a tumble motion to sense same; a step in which a server control unit of the management server determines if the laundry is functional clothing on the basis of the data; and a step in which the server control unit controls a guiding process of the washer by comparing information on a set cycle of the washer with the determination result.

Abstract: A vehicle network security system using a time synchronization-based counter mode includes an encryption unit that obtains a key stream through a first counter (CTR) and obtains cipher text by performing an operation on plain text to be encrypted and the key stream. The vehicle network security system also includes a decryption unit that obtains the key stream through a second counter and obtains the plain text by performing the operation on the cipher text and the key stream. The first counter and the second counter use a factor synchronized with time data transferred from hardware clocks (HCs) included in electronic control units (ECUs) in a vehicle network.

Abstract: A vehicle network security system using symmetric keys derived based on time synchronization includes a symmetric key generation unit configured to generate a symmetric key shared by a transmission unit that transmits data and a reception unit that receives data, and store the symmetric key in a specific slot. The vehicle network security system also includes a symmetric key processing unit configured to call the symmetric key in the specific slot to transmit and receive data when an application software program creates an encryption or decryption session. The symmetric key is generated using a factor synchronized with time data transferred from a hardware clock (HC) included in electronic control units (ECUs) in a vehicle network.

Abstract: A vehicle network system for controlling the statuses of electronic control units (ECUs) configured to control an operation of a vehicle includes a plurality of machine groups (MGs). The ECUs are classified into the plurality of MGs according to specific functions. One of the MGs includes a main electronic control unit (ECU) configured to control the status of each machine group (MG) in the vehicle network system.

Abstract: The present invention relates to a microrobot-based biomimetic system for delivering a drug or cell, organizing microorgans, and controlling fluid flow. The microrobot-based biomimetic system according to one aspect of the present invention comprises: a network for interconnecting microorgans constituting a biometric organ model; a microrobot for delivering a targeted drug or cell while moving in the network; and a magnetic field control unit for controlling an operation of the microrobot.

Abstract: The present disclosure relates to a reduction coil and an electromagnetic wave reduction apparatus including the reduction coil, and more particularly, an electromagnetic wave reduction apparatus including a reduction coil between a transmission coil and a reception coil to reduce, through the reduction coil, unnecessary electromagnetic waves generated in a process of transmitting electromagnetic waves generated by the transmission coil to the reception coil.

Abstract: A system for foreign language learning using animation hereto includes a data storage unit that stores learning data including learning sentences and words for a foreign language and animation data corresponding to the learning data, a learning mode determination unit determining which one of a sentence or word learning mode a current learning mode selected by a learner terminal is, a learning data extraction unit selecting and loading the learning sentences or words from the data storage unit to correspond to setting as determined by the learning mode determination unit, an animation extraction unit selecting and loading animation data corresponding to the learning sentences or words loaded by the learning data extraction unit, and a learning video providing unit displaying the learning sentences or words loaded by the learning data extraction unit, and the animation data loaded by the animation extraction unit on the learner terminal according to preset setting.

Abstract: A method and device for controlling a resonant inductor for implementing ZVS in a push-pull parallel resonant inverter is closed. The present disclosure provides A device comprising: a converter including a full-bridge circuit in which a first switch and a second switch form a first leg and a third switch and a fourth switch form a second leg and configured to convert a DC into an AC by turning on or off the switches; a resonant inductor circuit including a resonant inductor and a resonant switch connected in series and connected between two output nodes of the converter; a transmission coil connected in parallel with the resonant inductor circuit; and a controller configured to convert the DC into the AC by providing a switching timing for turning on or off the switches and control a switching timing of the resonant switch based on switching timings of the switches.

Abstract: The present invention relates to a technique pertaining to a method and device for providing guiding information after washing is finished, and the method for providing guiding information after washing is finished, according to an embodiment of the present invention, comprises: a step in which a server communication unit of a management server receives, from a washer, a first message notifying that washing is finished; a step in which the server communication unit receives, from a dryer for drying the laundry from the washer, a second message notifying the start of drying; a step in which a server control unit of the management server calculates, using the first message and the second message, the time during which the laundry was left in the washer; and a step in which the server control unit controls a notification process of the washer or of the dryer by comparing the time during which the laundry was left inside with a reference time.

Abstract: The present invention relates to a lithium compound, a nickel-based cathode active material, a method for preparing lithium oxide, a method for preparing a nickel-based cathode active material, and a secondary battery using same. The lithium compound includes primary particles of Li2O having an average particle diameter (D50) of less than or equal to 5 ?m; and secondary particles composed of the primary particles.

Abstract: An image processing-based foreign substance detection method in a wireless charging system and a device performing the method are disclosed. A method for detecting a foreign substance includes an operation of acquiring an image of a charging area of a wireless charging system, an operation of detecting, based on an RGB value of a frame of the image, a foreign substance in the charging area, an operation of discriminating a type of the foreign substance, and an operation of performing power control of the wireless charging system according to the type of the foreign substance.

Abstract: Provided is a method of recovery lithium ion, including adding a residue after leaching lithium from an ore containing spodumene into a solution in which a lithium ion is dissolved; absorbing a lithium ion into the residue by reacting the solution containing the residue at 50-90° C.; and recovering a cake containing a lithium from the residue in which the lithium ion has been absorbed by performing solid-liquid separation.

Abstract: Provided are a process for preparing (3R,4R)-1-benzyl-N,4-dimethylpiperidin-3-amine or a salt thereof, which is an intermediate useful for the preparation of tofacitinib, an intermediate used in the process, i.e., isopropanol solvate of methyl ((3R,4R)-1-benzyl-4-methylpiperidin-3-yl)carbamate dibenzoyl-L-tartrate, an intermediate, having excellent stability, useful for the preparation of tofacitinib, i.e., (3R,4R)-1-benzyl-N,4-dimethylpiperidin-3-amine acetate, and a process for preparing tofacitinib or a pharmaceutically acceptable salt thereof.

Abstract: The present exemplary embodiments relate to a sodium ion adsorbent, a method of manufacturing the same, and a method for removing sodium ions. According to an exemplary embodiment, a sodium ion adsorbent for removing sodium ions may include a compound represented by Chemical Formula 1 below. [Chemical Formula 1] HxM1-xAlSi2O6, in Chemical Formula 1, M is one or more elements selected from Na, K, Cs, and Rb, and 0<x?1.

Abstract: Provided is a robot charging apparatus to wirelessly charge a robot capable of walking, which includes a plurality of receiving coils fixed to legs of a robot and a transmitting coil moved and provided according to a position of the robot and wirelessly charges the robot in such a manner that the transmitting coil is provided between the plurality of receiving coils and coupled to the receiving coils by a magnetic field output from the transmitting coil.

Abstract: A low-loss spiral coil includes a conducting wire wound N turns of which a width of each of wires corresponding to each of sections of the conducting wire is determined by setting an entire width of the conducting wire to be a width of M sections of the conducting wire, and then determining the width of each of the wires such that a resistance of the spiral coil formed based on the width of the M sections is minimized.

Abstract: The present disclosure relates to a method and apparatus for performing multiple wireless charging. A method or performing wireless charging according to an embodiment of the present disclosure may comprise: identifying one or more receiving coils subject to wireless charging; setting a plurality of transmission frequencies based on a plurality of receiving coils being identified; and transmitting a wireless power transmission signal to the plurality of receiving coils using a plurality of transmitting coils connected to one inverter. Herein, a wireless power transmission signal transmitted from each transmitting coil belonging to the plurality of transmitting coils may be generated by applying the plurality of transmission frequencies in a pre-configured order.

Abstract: A positive/negative determining apparatus according to one embodiment of the present invention includes: an input unit that receives signal values from a signal-generating reaction of a plurality of cycles targeting a target analyte, wherein the signal-generating reaction generates a signal dependent on a presence of the target analyte in a sample; a positive/negative determining unit pre-trained to estimate presence/absence of the target analyte in the sample from the signal values in the plurality of cycles and a sequence of the plurality of cycles.

Abstract: This disclosure relates to a method of preparing a lithium compound that includes preparing a lithium phosphate, mixing the lithium phosphate with sulfuric acid to obtain a mixture, converting the lithium phosphate into lithium sulfate through a reaction in the mixture, and separating the lithium sulfate in a solid phase, wherein in the step of converting the lithium phosphate into lithium sulfate through the reaction in the mixture, a sum concentration ([P+S] mol/L) of phosphorus (P) and sulfur (S) in a liquid phase of the mixture is greater than or equal to 5 mol/L.

Abstract: A wireless power transmission resonator using a conducting wire with a vertical rectangular cross-section is disclosed. The wireless power transmission resonator may include a first element including a first element upper part arranged in an upper end of a resonator and a first element lower part arranged in a lower end of the resonator, wherein the first element upper part and the first element lower part each may include a spiral layer having a spiral structure that is wound to face a wide surface of a conducting wire including a vertical rectangular cross-section and a second element arranged in a center of the resonator and between the first element upper part and the first element lower part and including a spiral layer having a spiral structure that is wound to face the wide surface of the conducting wire including the vertical rectangular cross-section.