Abstract: Disclosed are a Mach-Zehnder interferometric optical modulator and a method for manufacturing the same. The modulator includes first and second lower clad layers, a core layer, an upper clad layer, a waveguide, and electrodes. The waveguide may include an input waveguide, a waveguide divider, branch waveguides, and a waveguide combiner. Each of the branch waveguides includes first and second connection regions connected to the waveguide combiner and the waveguide divider, respectively, and a phase shift region having a cross-section of a reverse mesa structure that has an upper width that is the same as widths of the first and second connection regions and a lower width that is smaller than the widths of the first and second connection regions.

Abstract: Provided is a method of setting criteria for classification of data in an electronic apparatus, the method including identifying a subtask related to data classification, obtaining a plurality of data, based on a model associated with the subtask, obtaining a score associated with the subtask for each of the plurality of data, identifying category information associated with the subtask for each of the plurality of data, and based on the category information and the score, determining a threshold value corresponding to the subtask.

Abstract: A layer jamming driving device is proposed, which includes an enclosure made of a variable material; and layer stacked structures having a plurality of layers stacked inside the enclosure, wherein the layer stacked structures can be coupled so as to be slidable and rotatable with respect to each other.

Abstract: A lithium complex oxide and method of manufacturing the same, more particularly, a lithium complex oxide effective in improving the characteristics of capacity, resistance, and lifetime with reduced residual lithium and with different interplanar distances of crystalline structure between a primary particle locating in an internal part of secondary particle and a primary particle locating on the surface part of the secondary particle, and a method of preparing the same.

Abstract: An inkjet printing apparatus, method of printing ink using the same and method of fabricating display device are provided. The method of printing ink includes: ejecting ink in which a plurality of particles is dispersed from an inkjet head; irradiating the ejected ink with a first light and a second light having different wavelengths to acquire data on a first exit light and a second exit light emitted from the ink; calculating a concentration of the particles in the ink from the data on the first exit light and the second exit light; and checking whether the concentration is out of an error range from a reference value, where the first light has a wavelength of about 500 nm or less, and the second light has a wavelength of about 1000 nm or more.

Abstract: Disclosed is a wireless power transmission system including a first circuit comprising a transmitting coil for transmitting power; and a second circuit comprising a shielded coil, wherein, in the transmitting coil and the shielded coil, frequency division wherein an impedance magnitude of the second circuit is minimized at a first frequency smaller than a resonant frequency of the second circuit and a second frequency larger than the resonant frequency of the second circuit occurs, and inductive coupling wherein the first frequency is larger than a fundamental frequency of the first circuit and the second frequency is smaller than a third high frequency of the second circuit.

Abstract: An apparatus and a method for a data learning server is provided. The apparatus of the disclosure includes a communicator configured to communicate with an external device, at least one processor configured to acquire a set temperature set in an air conditioner and a current temperature of the air conditioner at the time of setting the temperature via the communicator, and a generate or renew a learning model using the set temperature and the current temperature, and a storage configured to store the generated or renewed learning model to provide a recommended temperature to be set in the air conditioner as a result of generating or renewing the learning model. For example, the data learning server of the disclosure may generate a learned learning model to provide a recommended temperature using a neural network algorithm, a deep learning algorithm, a linear regression algorithm, or the like as an artificial intelligence algorithm.

Abstract: A method of controlling a towing mode of an eco-friendly vehicle, may easily charge a battery of a towed vehicle by selecting one of a charge mode during traveling, a regenerative braking charge mode, and a coasting charge mode for charging the battery of the towed vehicle when a towing vehicle tows the towed vehicle so that a motor of the towed vehicle is driven by a negative charge torque for charging the battery when the towing vehicle accelerates or decelerates, and furthermore, may easily perform the assist of the traveling driving force of the towing vehicle by selecting a discharge mode during traveling in a state in which the towed vehicle does not need to be charged to the amount of charge of the battery of the towed vehicle greater than or equal to a reference value so that the motor of the towed vehicle is driven by a positive driving torque by discharging the battery of the towed vehicle.

Abstract: A method of controlling heating of a hybrid electric vehicle is provided. The method includes receiving a heating request from a driver; determining whether an entry condition of pre-FATC engine ON request (PFEOR) control is satisfied; checking whether the vehicle is capable of entering a HEV mode; determining whether the vehicle enters an idle mode for the PFEOR control; issuing a command for a target engine torque value and a target revolutions per minute for the idle mode to an engine control unit (ECU) from a hybrid control unit (HCU); and performing an engine idle speed control along with engine ON based on the command.

Abstract: The present invention relates to a twisted string actuator. The present invention may comprise: a drive source; driving parts for receiving power from the driving source; driven parts installed in conjunction with the driving parts and receiving power; strings coupled to the ends of the driving parts and the driven parts so as to be twisted or untwisted, and a driving compensation part installed at the ends of the strings to compensate for uneven actuation of each of the strings.

Abstract: A control method for driving series mode of a hybrid vehicle is suitable for a four-wheel drive powertrain of a hybrid vehicle and can further improve a charging efficiency by implementing a second series mode, in which a vehicle is driven by a second motor for driving rear wheels, which is employed for a four-wheel drive powertrain of a hybrid vehicle, and an energy storage device is charged by power generation operation of a first motor connected to an engine through an engine clutch, beside a first series mode in which a vehicle is driven by the first motor and the energy storage device is charged by power generation operation of a third motor directly connected to the engine so that the first series mode or the second series mode may be selected in accordance with driver request power and charge power for the energy storage device.

Abstract: Disclosed is a field-tailored prefabricated dust suction mat that absorbs and removes dust from the soles of visitor's shoes. A dust suction mat according to the present disclosure includes unit mats continuously connected to each other in a first direction, wherein each of the unit mats has a plurality of through holes for dust suction and through hole opening/closing means for opening or closing the through holes, the unit mats have lengths in a second direction perpendicular to the first direction, which are equal to each other, and widths in the first direction, which are equal to or different from each other, and an overall width of the dust suction mat in the first direction is adjusted according to the number of the unit mats, which are continuously connected to each other in the first direction.

Abstract: The present disclosure provides a method of controlling a towing mode of an vehicle, which may easily charge a battery of a towed vehicle by allowing a motor of the towed vehicle to output a charging torque for charging the battery and allowing a motor of the towed vehicle to output a creep torque or a regenerative braking torque capable of charging the battery even upon deceleration traveling together with a compensation control of increasing engine output power of a towing vehicle compared to default output power upon acceleration and constant speed traveling by selecting one of an eco-towing mode, a power towing mode, and a target charging towing mode for charging the battery of the towed vehicle when the towing vehicle, which is a hybrid electric vehicle, tows the towed vehicle, which is an electric vehicle or a hybrid electric vehicle.

Abstract: A method for controlling heating of a hybrid vehicle is provided. The vehicle includes a duct flowing air into the indoor of the hybrid vehicle from the outside, a heater core for circulating the coolant heated from an engine inside the duct, a PTC heater heated by the power supplied from a high-voltage battery of the hybrid vehicle inside the duct, and a controller. The controller operates the engine and the PTC heater and heats the air flowing into the indoor of the hybrid vehicle through the duct. The voltage supplied to the PTC heater from a low voltage DC-DC converter (LDC) is changed based on the state of the engine and an auxiliary battery for supplying power to an electric component of the vehicle to apply power to the PTC heater.

Abstract: A hybrid vehicle includes an electric motor, an engine including an exhaust gas purifying unit, and an engine clutch disposed between the electric motor and the engine. A method of controlling the hybrid vehicle includes determining a driving environment condition including a first condition related to at least a driving load when a request for operating the exhaust gas purifying unit is received, determining a state of the engine clutch and an operation condition of the exhaust gas purifying unit when the exhaust gas purifying means operates according to the result of determining the driving environment condition, and operating the exhaust gas purifying unit while maintaining the determined state of the engine clutch when the driving environment condition is satisfied.

Abstract: A system for controlling a low voltage DC converter for a vehicle includes the low voltage DC converter configured to step down a voltage of a first battery and output an output voltage; a blower configured to operate using the output voltage of the low voltage DC converter as a power supply voltage; and a low voltage DC converter controller configured to receive information on whether the blower operates and an output setting of the blower, and control a magnitude of the output voltage of the low voltage DC converter, based on the received information on whether the blower operates and an output setting of the blower.

Abstract: A system and method for controlling driving of an electronic 4-wheel drive hybrid vehicle appropriately executes torque distribution and compensation to front wheels and rear wheels in each gear position to satisfy driver's requested torque depending on selected driving mode of the electronic 4-wheel drive hybrid vehicle in which an engine and a front wheel motor are connected to the front wheels and a rear wheel motor is connected to the rear wheels, thereby being capable of increasing acceleration performance when a sports mode is selected as the driving mode and realizing acceleration linearity when a comfort mode is selected as the driving mode.

Abstract: An apparatus and method of controlling heat of an engine compartment when stopped are provided. The apparatus and method of controlling heat of an engine compartment improve fuel efficiency by managing heat of the engine compartment when a vehicle is stopped after driving.

Abstract: A hybrid vehicle includes active air flaps provided on a front-end module and a controller that controls the active air flaps based on a coolant temperature according to an outdoor air temperature, an inverter temperature of a drive motor according to an outdoor air temperature, an inverter temperature of an starter-generator according to an outdoor air temperature, a temperature of a low DC converter according to an outdoor air temperature, a transmission oil temperature according to an outdoor air temperature, or an engine oil temperature according to an outdoor air temperature, controls the active air flaps based on a refrigerant pressure according to an outdoor air temperature, controls the active air flaps based on an operation mode of a cooling fan, or controls the active air flaps based on an intake temperature according to an outdoor air temperature for each of driving modes of the vehicle.

Abstract: A method for displaying charge and gain energy by a vehicle solar roof system is provided. The method includes determining whether the vehicle is in a parking or driving mode based on whether the vehicle key is turned on or off when the solar roof system installed in the vehicle operates. A corresponding consumed energy is calculated by determining whether the solar roof system charges the auxiliary battery or the main battery. The consumed energy is displayed in the cluster of the vehicle and booting is performed when the key is turned on in the parking mode and displayed when the key is turned off in the driving mode. The consumed energy is calculated based on efficiency of a charge amount of the auxiliary battery or the main battery and a gain fuel amount is changed based on the charge amount and calculated due to the saved energy.