Abstract: A steering apparatus of a steer-by-wire (SBW) system includes a structure for changing the frictional force of the system and a structure for limiting the rotation range of a steering wheel. The steering apparatus includes: a shaft rotatably interlocked with a steering wheel, a friction member surrounding the shaft and contacting the shaft, a frictional force provision device for narrowing and widening the friction member in the radial direction of the shaft to change the frictional force of the friction member that contacts the shaft, and a steering limitation device for regulating the rotation of the shaft using a stopper provided at the friction member during the rotation of the shaft to limit the steering of the steering wheel.

Abstract: The present disclosure relates to a technology of estimating rack force using force that is transmitted from a steering motor of a Steer-By-Wire (SBW) system to a rack bar. The present disclosure provides a method for estimating rack force of an SBW system, the method calculating restoring force that is applied to a reducer on the basis of the difference between position values of the rack bar that are obtained at the front end and the rear end of the reducer when the position of the rack bar is changed by operation of a steering motor; and calculating rack force by reflecting the restoring force to a motion equation including inertia force of the SBW system.

Abstract: Disclosed is a shunt resistor for measuring current, and a shunt resistor for measuring current, in which one or more protrusions having an unevenness shape, which are formed on one lateral surface of a shunt resistor and one or more solders are bonded to each other, respectively and the shunt resistor and a printed circuit board are electrically connected to each other to measure current of a battery through a shunt resistance included in the shunt resistor unit.

Abstract: A steering apparatus for a steer-by-were system includes a driving member rotating in conjunction with a steering wheel and having a first stopper protruding from the driving member; a change gear receiving rotational force from the driving member, changing a rotational speed, and outputting a changed rotational speed; and a driven member receiving the rotational force output from the change gear, rotating at a rotational speed different from that of the driving member, and having a second stopper, which protrudes from the driven member, disposed within a rotation radius of the first stopper. The second stopper comes into contact with the first stopper at a predetermined steering angle during rotation of the driving member.

Abstract: Disclosed herein is a device for selectively limiting both rotational directions of a steering wheel, and provided is a steering angle limiting device of a steer-by-wire (SBW) system including a stopping gear configured to be rotated together with a steering shaft; a cam configured to receive a rotational force of an actuator and to be eccentrically rotated; and a stopper configured to be rotated in response to rotational operation of the cam and selectively engaged with gear teeth of the stopping gear, thereby restricting selectively forward and reverse directional rotations of the stopping gear.

Abstract: Disclosed herein are a real wood film and a method of manufacturing an injection-molded real wood product by using the real wood film. The real wood film includes: a sliced veneer; a non-woven fabric adhered to the bottom surface of the sliced veneer by means of a non-aqueous adhesive, and configured to protect the sliced veneer from moisture; a formation improvement layer adhered to the bottom surface of the non-woven fabric, and configured to prevent the sliced veneer from being wrinkled due to heat applied to the sliced veneer and prevent a crack from occurring; and a thermoplastic adhesive layer adhered to the bottom surface of the formation improvement layer, and configured to enable adhesion to injected resin.

Abstract: An evaluation system of block copolymer patterns includes a supplier, a plurality of analyzers, and a homopolymer interference remover. The supplier provides a sample including a block copolymer and a homopolymer. The analyzers measure a molecular weight of the block copolymer in the sample, measure a preliminary block ratio, the preliminary block ratio corresponding to a total ratio in the sample of each block in the block copolymer, and selectively measure a ratio of the homopolymer in the sample. The homopolymer interference remover subtracts the ratio of the homopolymer from the preliminary block ratio.

Abstract: A steering system for a vehicle may include first and second steering motors providing torque; a rack bar to which torques of the first and second steering motor are simultaneously applied, and configured to change steering angles of wheels by being displaced by the rotation of the first and second steering motors; first and second motor position detectors detecting rotation angles of the first and second steering motors, respectively; and a controller deriving an absolute position of the rack bar based on a difference between the rotation angles of the first and second steering motors detected by the first and second motor position detectors, wherein an amount of displacement of the rack bar according to an amount of rotation of the first steering motor is different from an amount of displacement of the rack bar according to an amount of rotation of the second steering motor.

Abstract: A steering-feel control device in a steer-by-wire system may include a pressure member for rotating in a predetermined direction or an opposite direction within a rotation path depending on the rotation direction of a steering wheel, a push block rotatably provided in the rotation path of the given or opposite direction, a first elastic member for providing elastic restoration force in the rotation direction of the pressure member for elastic variation in the rotational displacement between the pressure member and the push block, and a second elastic member for providing elastic restoration force in the rotation direction of the push block for elastic variation in the rotational displacement when the push block is rotated away from the pressure member, the second elastic member having an elastic constant smaller than that of the first elastic member and being provided in a pre-compressed state to have elastic force greater than that of the first elastic member.

Abstract: A method for use in an electronic device including selecting, by the electronic device, a filtering region in a first layer of a user interface based on a position of a content item in a second layer of the user interface; applying, by the electronic device, a graphical effect to the filtering region; displaying, on a display of the electronic device, a screen that is produced by merging the first layer with the second layer after the graphical effect is applied to the filtering region.

Abstract: A steering apparatus for a steer by wire system includes a first motor and a second motor configured to provide a torque. A first planetary gear set is configured to receive the torque from the first motor and to generate a reaction torque required for steering. A second planetary gear set is configured to receive the torque from the steering wheel and the second motor, and to variably output a gear ratio for an input by the steering wheel depending on a rotation of the second motor. A stopping mechanism is configured to limit a maximum rotation angle of the steering wheel.

Abstract: One embodiment discloses a drone motor and a drone comprising the same, the drone motor comprising: a rotating shaft; a stator comprising a hole into which the rotating shaft is inserted; and a rotor arranged on the outer side of the stator, wherein a support member is arranged between the rotating shaft and the stator, and a bearing is arranged between the support member and the stator, wherein the support member comprises a body part which surrounds the rotating shaft, and a flange part which couples with the rotor.

Abstract: The present invention provides a motor for a drone, comprising: a rotary shaft; a stator including a hole into which the rotary shaft is inserted; and a rotor arranged on the outer side of the stator, wherein the rotor comprises: a cover part coupled to the rotary shaft so as to cover the upper portion of the stator; a body part for covering a side portion of the stator; and a magnet coupled to the inner circumferential surface of the body part, wherein the cover part comprises: a propeller coupling part including a hole through which the rotary shaft penetrates; an upper surface part connected to the body part; a connecting part for connecting the propeller coupling part and the upper surface part; and a plurality of blades arranged in the radial direction from the lateral surface of the propeller coupling part and formed so as to be spaced apart from the upper surface part.

Abstract: The present invention relates to a curcumin derivative, a method for producing same, and a photo-acoustic imaging agent comprising the curcumin derivative for detecting beta-amyloid plaque. The curcumin derivative, expressed by chemical formula 1, according to the present invention exhibits superb selective bonding with beta-amyloid, thereby allowing beta-amyloid to be detected by means of an optical or photo-acoustic imaging methods, and, particularly, the curcumin derivative can highly effectively detect photo-acoustic signals with almost no noise by reacting to irradiation of light having a particular wavelength range, and thus can be useful as a composition for detecting beta-amyloid and for diagnosing diseases caused by excessive production of beta-amyloid.

Abstract: Disclosed is a backlight unit. The backlight unit includes a light source, and a cover bottom internally accommodating the light source. Here, the cover bottom is divided into n-numbered (n>1) sub-cover bottoms, and a coupling unit for mutually fixing and coupling the divided cover bottoms is formed at ends of each of the cover bottoms facing each other.

Abstract: A travel control system and a method for an autonomous vehicle is provided to easily determine a rotating position of a steering wheel when an autonomous travel mode is switched to a driver's travel mode. The travel control system includes: a display mechanism provided in a central portion of a steering wheel to display a rotating position of the steering wheel; and a controller to controls the display mechanism to display the rotating position of the steering wheel based on a steering angle of a tire when the steering angle of the tire is input and the autonomous travel mode is switched to the driver travel mode.

Abstract: Provided is a motor for a drone comprising: a rotary shaft; a stator including a hole in which the rotary shaft is disposed; a rotor disposed outside the stator; and a housing coupled to the stator, wherein the stator comprises a stator core and a coil wound around the stator core, wherein the stator core comprises an annular yoke coupled to the housing, teeth extending radially from the yoke, and a shoe disposed at one end of the teeth, wherein the teeth comprise protrusions projecting from the side surface thereof. As such, the present invention provides an advantageous effect of securing an air flow path for heat radiation to enhance a heat radiating effect while preventing water or foreign matter from flowing into the motor.

Abstract: A substrate carrier may include a carrier body and a first sensor unit. The carrier body may include an internal space, an inlet port and an outlet port. The internal space may be configured to receive a substrate. A purge gas may be introduced into the internal space through the inlet port. A gas in the internal space may be exhausted through the outlet port. The first sensor unit may be at the outlet port and configured to detect environmental properties of the internal space in real time. Thus, a generation or cause of a contaminant in the carrier body may be accurately identified.

Abstract: A method for controlling a manual driving mode includes manual mode detecting step detecting whether a vehicle switched from autonomous to manual mode; first step controlling angle of tire and steering angle of a steering wheel using travel route information when switching to manual mode is detected; delay time determination step determining a delay time of change of the angle of the tire with change of the steering angle of the steering wheel by the change in the angle of the tire with the change in the steering angle of the steering wheel for predetermined time; delay time comparison step comparing the determined delay time with predetermined time period; second step controlling only the steering angle of the steering wheel using travel route information when delay time is within the predetermined time period; and third step controlling angle of the tire by steering angle of the steering wheel.

Abstract: Disclosed is a secondary battery pack capable of improving process efficiency and reducing manufacture costs. The secondary battery pack includes a battery cell having an electrode terminal formed at a top end of a battery case; a protection circuit module having a battery cell connection terminal; and at least two terminal connection units having one end connected to the electrode terminal of the battery cell and the other end contacted and electrically connected to the battery cell connection terminal of the protection circuit module, wherein the battery case includes a battery can having an open top portion into which the electrode assembly is inserted, and a cap assembly coupled to the open top portion of the battery can, and wherein the cap assembly includes a body plate, and a connection slot is formed at a top surface of the body plate so that a portion of the terminal connection unit is inserted and accommodated therein to be electrically connected to the electrode terminal.