Abstract: Disclosed is a hybrid electric vehicle comprising an engine configured to generate power by burning a fuel, first and second motor-generators configured to generate power or assist the engine, and a controller. The controller may be configured to set an operation of a first EV mode using the second motor-generator, a second EV mode using the first and second motor-generators, or a series mode of driving the second motor-generator by using power generation of the engine, compare a speed of the vehicle with a reference speed based on that the engine is in an off state, and may be configured to perform a control so that the vehicle drives in the second EV mode when the speed of the vehicle is less than the reference speed.

Abstract: Provided, according to one embodiment, is a method for determining a current of an electric motor or a generator, the method comprising the steps of: acquiring characteristics of a filter for eliminating noise occurring in a process for determining a current of an electric motor or a generator; determining a time delay caused by the filter, on the basis of a change in a phase indicating the characteristics of the filter, the change resulting from a change in an operating frequency of the electric motor or the generator; and determining the current of the electric motor or the generator by compensating the time delay.

Abstract: A method of predicting the likelihood of brain amyloid-beta deposition is provided to predict the occurrence of diseases caused by brain amyloid-beta deposition, including Alzheimer's disease, in Koreans. More specifically, a method of providing information is provided for predicting the likelihood of brain amyloid-beta deposition. A composition and a kit is provided for predicting the likelihood of brain amyloid-beta deposition. The method of providing information for predicting the likelihood of brain amyloid-beta deposition may effectively screen individuals with a high likelihood of brain amyloid-beta deposition at an early stage, thereby providing an appropriate method of inhibiting the development of a disease caused by brain amyloid-beta deposition or treating an individual having the disease.

Abstract: A display apparatus can include a first thin-film transistor including a first active layer having a first polysilicon material, a first gate electrode overlapping the first active layer, a first electrode and a second electrode; a second thin-film transistor including a second active layer having an oxide semiconductor, a second gate electrode overlapping the second active layer, a third electrode and a fourth electrode; and a first emitting electrode of a light emitting element electrically connected to the second electrode of the first thin-film transistor. Also, one end of the first active layer having the first polysilicon material is electrically connected to one or the other end of the second active layer having the oxide semiconductor.

Abstract: A magnetic levitation rotor sail is proposed. The rotor sail may include a coil unit provided at a lower portion of a body of the rotor sail, and an electromagnet configured to levitate the coil unit. The rotor sail may also include a support member supporting the electromagnet, and a gap sensor provided at the support member and configured to measure a gap between the coil unit and the electromagnet.

Abstract: An upright tank-based propulsion assistance rotor sail system is proposed. The system may include an upright tank fixed to a hull of a ship, and a rotor sail in a form of a cylindrical shape having a length and diameter greater than or equal to the upright tank, and installed to surround part or all of an outer circumferential surface of the upright tank. The rotor sail may be rotatably installed while surrounding the upright tank concentrically with the upright tank, and may be movable along a height direction of the outer circumferential surface of the upright tank depending on situations to maintain a predetermined height. In addition, a vessel equipped with the upright tank-based propulsion assistance rotor sail system is proposed, The fuel tank may be installed to stand upright on the vessel so that the rotor sail is installed to be movable in the vertical direction.

Abstract: The present disclosure relates to a wireless battery management system which ensures stability when obtaining battery data through wireless communication. The battery management system includes a manager node operating a primary channel and a secondary channel based on wireless communication and obtaining battery data from a monitor node by using the primary channel or the secondary channel and a monitor node connected to a battery module to collect battery data including one or more of a current, a voltage, a temperature, and self-diagnosis data of the battery module, transmit the collected battery data to the manager node through the primary channel, and when the transmission of the battery data through the primary channel fails, transmit the battery data to the manager node through the secondary channel.

Abstract: A locking apparatus according to an embodiment includes an approach detector, a signal transmitter, a measurer, and a controller. The approach detector detects an approach of a user carrying a terminal. The signal transmitter transmits a key authentication signal for authenticating a pre-shared digital key to the terminal using first short-range wireless communication when the approach of the user is detected. The measurer connects a session by generating a security channel with the terminal using second short-range wireless communication and measuring at least one of a distance to and an angle with respect to the terminal when the digital key is authenticated through the key authentication signal. The controller determines whether or not to unlock an access facility in accordance with at least one of the distance to and the angle with respect to the terminal.

Abstract: Provided is a surgical instrument, in more detail, a surgical instrument that may be manually operated to be used in laparoscopic surgery or various other kinds of surgery. To this end, the present invention provides a surgical instrument including an end tool configured to be rotatable in at least two directions; and a manipulator including a pitch operator controlling a pitch movement of the end tool, a yaw operator controlling a yaw movement of the end tool, and an actuation operator controlling an actuation movement of the end tool.

Abstract: Provided is an end tool including: a first jaw configured to rotate independently; a J11 pulley coupled with the first jaw and configured to rotate around a first axis formed at an end tool hub; a J16 pulley formed at one side of the J11 pulley and configured to rotate around a second axis formed at one side of the first axis; a J12 pulley and a J14 pulley formed at one side of the J16 pulley, and configured to rotate around a third axis formed at a predetermined angle with the first axis. The end tool may further include: a first jaw wire configured to at least partially contact the J12 pulley, the J11 pulley, the J16 pulley, and the J14 pulley; a J16 pulley formed between the J11 pulley and a J12 pulley/a J14 pulley; and the first jaw wire is located on an internal tangent of the J11 pulley and the J16 pulley.

Abstract: The present disclosure relates to a novel O-phosphoserine export protein, and a method for producing O-phosphoserine, cysteine, and cysteine derivatives using the same.

Abstract: Provided is a tissue gel for transplantation and a method of preparing the same, including: a process (a) of preparing a composition containing a decellularized extracellular matrix; a process (b) of maintaining a tensile state by applying a tensile force to a stretching device made of an elastic polymer material; and a process (c) of injecting the composition prepared in the process (a) into the stretching device maintained in the tensile state in the process (b), allowing the composition to crosslink, and then removing the tensile force to align fibrils in the decellularized extracellular matrix in one direction.

Abstract: A display apparatus including a first thin-film transistor, a second thin-film transistor and a third thin-film transistor is provided. The first thin-film transistor includes a first active layer composed of a polysilicon material, a first gate electrode overlapping the first active layer such that a first gate insulating layer is interposed therebetween, a first source electrode and a first drain electrode. The first gate electrode includes n layers. The first source electrode and the first drain electrode are connected to the first active layer. The second thin-film transistor includes a second active layer composed of a polysilicon material, a second gate electrode overlapping the second active layer such that a first gate insulating layer is interposed therebetween, a second source electrode and a second drain electrode. The second gate electrode includes n+1 layers. The second source electrode and the second drain electrode are connected to the second active layer.

Abstract: The present invention relates to a surface-enhanced Raman scattering substrate and a method of fabricating the same. More particularly, the surface-enhanced Raman scattering substrate according to an embodiment includes a substrate; a lower plasmonic layer formed on the substrate and based on a first metal nanostructure; an oxide layer formed on the lower plasmonic layer; and an upper plasmonic layer formed on the oxide layer and based on a second metal nanostructure.

Abstract: The present invention relates to a reduced-graphene-oxide/silicon-metal-particle composite, a method of manufacturing the composite and an electrode for a secondary battery including the composite. The method of manufacturing the reduced-graphene-oxide/silicon-metal-particle composite includes preparing a reduced-graphene-oxide dispersion solution by reducing graphene oxide formed through cation-pi interaction, preparing a reduced-graphene-oxide/silicon-metal-particle dispersion solution by mixing the reduced-graphene-oxide dispersion solution with silicon metal particles, and manufacturing a composite powder having a core-shell structure by drying the reduced-graphene-oxide/silicon-metal-particle dispersion solution. Thereby, reduced graphene oxide can be formed using the graphene oxide dispersion solution having few defects and high purity obtained through cation-pi interaction, and dried to afford a composite powder having a core-shell structure, which is applicable to an electrode for a secondary battery.

Abstract: A connector assembly for a battery pack may include: a first housing configured to support a first terminal; a second housing configured to support a second terminal electrically connected to the first terminal, and coupled to the first housing; and a fixing member detachably coupled to the second housing, and the fixing member is selectively disposed in a first position in which the second housing and the second terminal are mutually aligned, or in a second position in which the first housing and the second housing are prevented from being separated from each other.

Abstract: Proposed are a submarine power supply system and power supply method using a seawater battery, the system having a chargeable/dischargeable battery that is arranged on the outside of a pressure hull, so as to use, as a cathode, sodium ions dissolved in seawater, and thus produce electric power, which is then used as electric power required for operating a submarine.

Abstract: The present invention relates to a screening composition for a therapeutic agent for coronavirus infection, comprising a CoV RdRp expression vector and a bicistronic reporter vector, a screening kit for a therapeutic agent for coronavirus infection, comprising the composition, and a method for screening a therapeutic agent for coronavirus infection using the composition or kit. When the screening composition for a therapeutic agent for coronavirus infection, provided by the present invention, is used, candidate materials that can have direct influences on the activity of CoV RdRp can be screened more quickly and easily, and thus, the composition can be widely used in the development of therapeutic agents for coronavirus infection.

Abstract: Provided is an end tool including: a first jaw configured to rotate independently; a J11 pulley coupled with the first jaw and configured to rotate around a first axis formed at an end tool hub; a J16 pulley formed at one side of the J11 pulley and configured to rotate around a second axis formed at one side of the first axis; a J12 pulley and a J14 pulley formed at one side of the J16 pulley, and configured to rotate around a third axis formed at a predetermined angle with the first axis. The end tool may further include: a first jaw wire configured to at least partially contact the J12 pulley, the J11 pulley, the J16 pulley, and the J14 pulley; a J16 pulley formed between the J11 pulley and a J12 pulley/a J14 pulley; and the first jaw wire is located on an internal tangent of the J11 pulley and the J16 pulley.

Abstract: A photocatalyst filter is provided. The photocatalyst filter includes: a base in which an internal space is formed. The internal space is permeable to fluid, and a plurality of photocatalyst beads are provided in the internal space, wherein a surface of the internal space is reflective.