Abstract: The present invention discloses a fitness bike and a method of controlling the same. The fitness bike according to the present invention includes an operation lever configured to restrict a clutch gear unit to a flywheel to allow the flywheel to operate in a non-freewheel mode and release the restriction between the clutch gear unit and the flywheel to allow the flywheel to operate in a freewheel mode, a position detection unit installed on the flywheel to detect a rotation position of the operation lever, and a controller configured to brake the flywheel by adjusting a magnitude of a magnetic force of a stator so that the operation lever stops at a preset exposure position when a pedal is stopped.

Abstract: A ball spline with detour tracks includes spline shaft, nut part movable along a longitudinal direction of the spline shaft, and balls between the nut part and the spline shaft, wherein the nut part includes nut adapted to insert the spline shaft thereinto and retainers on longitudinal sides of the nut, the spline shaft includes tracks extended along the longitudinal direction, the nut includes load track grooves formed in longitudinal direction on inner peripheral surface into which the spline shaft is inserted and non-load circulating portions formed in the longitudinal direction, each retainer includes circulating grooves on the inner peripheral surface to face the load track groove and non-load circulating portion, the balls run between the tracks and the load track grooves, and each track includes track groove formed in longitudinal direction of the spline shaft and detour tracks whose longitudinal sides are connected to the track groove.

Abstract: Hollow spherical particles which include: an inorganic particle layer including ceramic particles and conductive carbon-based particles; and a polymer coating layer surrounding the inorganic particle layer, and in which the inorganic particle layer surrounds an empty inner space to form the hollow spherical particles. A method of manufacturing the hollow spherical particles and a heat-dissipating fluid composition including the hollow spherical particles.

Abstract: Provided are a reactor for producing hydrogen and carbon through methane pyrolysis by a thermal storage method, and a combination reactor including the same, wherein the reactor includes a reaction unit in which pure-oxygen combustion of carbon and pyrolysis of methane are carried out, a first accommodation unit that supplies oxygen and the carbon to the reaction unit or accommodates carbon and hydrogen obtained by the pyrolysis of the methane, a flame supply unit that generates a flame within the reaction unit, a thermal storage unit that is located within the reaction unit and stores combustion heat generated during the pure-oxygen combustion of the carbon, and a second accommodation unit that accommodates carbon dioxide produced by the pure-oxygen combustion of the carbon or supplies methane to the reaction unit, wherein the pure-oxygen combustion of the carbon and the pyrolysis of the methane are alternately carried out.

Abstract: A ball spline with detour tracks includes spline shaft, nut part movable along a longitudinal direction of the spline shaft, and balls between the nut part and the spline shaft, wherein the nut part includes nut adapted to insert the spline shaft thereinto and retainers on longitudinal sides of the nut, the spline shaft includes tracks extended along the longitudinal direction, the nut includes load track grooves formed in longitudinal direction on inner peripheral surface into which the spline shaft is inserted and non-load circulating portions formed in the longitudinal direction, each retainer includes circulating grooves on the inner peripheral surface to face the load track groove and non-load circulating portion, the balls run between the tracks and the load track grooves, and each track includes track groove formed in longitudinal direction of the spline shaft and detour tracks whose longitudinal sides are connected to the track groove.

Abstract: A method of determining hysteresis according to an example embodiment may include capturing a real-time image of the surgical robot driven according to a drive input, and measuring a drive angle of the surgical robot by comparing the real-time image to a previously rendered image data set of the surgical robot, and calculating a difference between the drive input and the measured drive angle.

Abstract: The present disclosure relates to a method of preparing a polyamide by copolymerization of multiple components, a polyamide prepared thereby, and a composition including the same. The copolymerized polyamide according to an embodiment of the present invention and a composition including the same may exhibit excellent mechanical properties, low temperature properties, and gas barrier properties.

Abstract: A stocker system including a stocker apparatus, a transfer robot including a sensing module and a robot arm, a manual port of the stocker apparatus, and a controller in communication with the transfer robot, wherein the controller communicates with the sensing module to determine that a container is transferrable by the robot arm between the manual port of the stocker apparatus and the transfer robot.

Abstract: An apparatus for changing positions of a seat for vehicles includes mechanisms for adjusting the height of the seat for vehicles, adjusting reclining of the seat for vehicles, changing the seat for vehicles into a knee rest posture and changing the seat for vehicles into a relaxed comfort are integrated into one structure. Accordingly, a user selectively implements adjustment of the height of the seat for vehicles, adjustment of reclining of the seat for vehicles, change into the knee rest posture, and change into the relaxed comfort posture, etc., through operation of the switch.

Abstract: Neutralizing antibodies that specifically bind to HIV-1 Env and antigen binding fragments of these antibodies are disclosed. Nucleic acids encoding these antibodies, vectors and host cells are also provided. Methods for detecting HIV-1 using these antibodies are disclosed. In addition, the use of these antibodies, antigen binding fragment, nucleic acids and vectors to prevent and/or treat an HIV-1 infection is disclosed.

Abstract: The present invention relates to a biodegradable copolymer polyester resin comprising an anhydrosugar alcohol and an anhydrosugar alcohol-alkylene glycol and a method for preparing same and, more specifically, to a polyester resin and a method for preparing same, wherein the polyester resin is excellent in color value and biodegradability as well as heat resistance and mechanical properties, by copolymerizing specific contents of a dicarboxyl component containing adipic acid or an ester thereof and a diol component containing an anhydrosugar alcohol and an anhydrosugar alcohol-alkylene glycol.

Abstract: Provided are a cleaning robot and a method of controlling the same, and more specifically, a cleaning robot provided to detect an obstacle in various directions and a method of controlling the same. The cleaning robot includes a light emitter configured to radiate light, a plurality of light receivers configured to receive a radiation of the light in a predetermined direction among radiations of the light reflected from an obstacle when the radiated light is reflected from the obstacle, a support plate to which the light emitter and the light receiver are fixed and which is rotatably provided, and a controller configured to detect the obstacle on the basis of output signals transmitted from the light emitter and the plurality of light receivers and rotation information of the support plate.

Abstract: Antibodies and antigen binding fragments that specifically bind to HIV-1 Env and neutralize HIV-1 are disclosed. Nucleic acids encoding these antibodies, vectors and host cells are also provided. Methods for detecting HIV-1 using these antibodies are disclosed. In addition, the use of these antibodies, antigen binding fragment, nucleic acids and vectors to prevent and/or treat an HIV-1 infection is disclosed.

Abstract: A cleaning robot having an improved structure capable of improving a user convenience and method for controlling the same are disclosed herein. A cleaning robot includes a main body to form an outer appearance and having an inlet port provided to suck a foreign matter present in a cleaning area, an operation unit detachably coupled to the main body and provided to be gripped, at least one motion sensor provided to detect a motion of the operation unit, and a control unit electrically connected to the at least one motion sensor to drive a driving motor of the main body based on the motion of the operation unit detected by the at least one motion sensor.

Abstract: An image display device, a lip-sync correction method thereof, and an image display system thereof are proposed. The lip-sync correction method of the image display device includes: receiving an audio delay measurement command from a user; transmitting an audio detection command to a remote control device and outputting a pre-stored test signal to an external speaker; calculating an audio delay value by comparing an audio signal received from the remote control device with the test signal; and correcting a decoding time stamp of an image signal on the basis of the audio delay value. Accordingly, it is possible to match lip-synching of video and audio in response to various external audio outputs or external audio devices.

Abstract: Provided is a vehicle control method for protecting a vehicle and a driver during forward driving while in reverse gear of an electric vehicle, the vehicle control method including: detecting a gear position of a vehicle; generating a negative torque command to a motor of the vehicle by detecting the gear position as R stage; detecting a vehicle speed of the vehicle; and displaying a warning light or generating a warning sound through a cluster of the vehicle when the vehicle speed is detected as a positive vehicle speed.

Abstract: The present invention relates to a ball spline having a reinforcement bush part, comprising: a rod-shaped spline shaft having at least one concave track groove formed to extend along the longitudinal direction thereof; a nut part in which the spline shaft is inserted and movable along the longitudinal direction thereof; and a plurality of balls provided between the nut part and the spline shaft to circulate, wherein: the nut part includes a nut which is a hollow body into which the spline shaft is inserted, and retainers which are hollow bodies which are provided at longitudinally opposite sides of the nut and into which the spline shaft is inserted; at least one spline part and at least one reinforcement bush part are provided at the nut part; some of the balls change direction in spline circulation grooves of longitudinally opposite side retainers and circulate and move between a track groove and a load track groove and along a no-load circulation part; and the others of the balls roll while being in contac

Abstract: A ball spline with detour tracks includes spline shaft, nut part movable along a longitudinal direction of the spline shaft, and balls between the nut part and the spline shaft, wherein the nut part includes nut adapted to insert the spline shaft thereinto and retainers on longitudinal sides of the nut, the spline shaft includes tracks extended along the longitudinal direction, the nut includes load track grooves formed in longitudinal direction on inner peripheral surface into which the spline shaft is inserted and non-load circulating portions formed in the longitudinal direction, each retainer includes circulating grooves on the inner peripheral surface to face the load track groove and non-load circulating portion, the balls run between the tracks and the load track grooves, and each track includes track groove formed in longitudinal direction of the spline shaft and detour tracks whose longitudinal sides are connected to the track groove.

Abstract: A display device and an afterimage compensation method thereof are proposed. The display device and the afterimage compensation method thereof capture an input image frame at a predetermined period, detect an edge area in the captured image frame, detect an afterimage compensation area on the basis of the cumulative count detected as the edge area for each pixel, and perform individual afterimage compensation only on a pixel whose cumulative count detected as the afterimage compensation area is greater than or equal to a predetermined threshold value. Accordingly, the afterimage compensation time may be shortened by individually performing the afterimage compensation according to a condition of each pixel.

Abstract: In one aspect, an operating method of an intelligence vehicle driving control system is provided that comprises: a collecting step of collecting big data including a wheel torque and a speed for every vehicle type and traffic information; a torque calculating step of learning the big data using a predetermined machine learning model and inputs a specific desired speed profile to the machine learning model to calculate a motor torque of a driving vehicle; and an optimal speed profile deriving step of calculating an energy consumption required to generate the calculated motor torque using a predetermined dynamic programming method and a reverse vehicle dynamic model and deriving an optimal speed profile in which the energy consumption is minimized.