Abstract: Disclosed is a motor driving apparatus including: a motor; an inverter including a switching element for driving the motor; a controller for controlling the switching element; a resolver including an excitation winding and a detection winding; and a resolver chip applying an excitation signal to the excitation winding by inputting a periodic signal from the controller, and receiving a feedback signal from the detection winding, wherein the resolver chip determines the number of rotations of the motor based on a change in a pulse width of a detection signal resulting from a comparison between a voltage of the feedback signal and a preset voltage, and output a signal to the inverter for setting an inertial driving control mode according to the number of rotations of the motor in a failure state of the controller.

Abstract: An apparatus for fabricating a display panel, the apparatus including: a loading module configured to accommodate a large-area fabricating substrate, the loading module being configured to adjust an inclination of the large-area fabricating substrate from a rear surface of the large-area fabricating substrate and to press the large-area fabricating substrate; and an element transfer module configured to transfer a plurality of light emitting elements or an integrated circuit onto the large-area fabricating substrate and configured to bond and press a wafer on which the plurality of light emitting elements or the at least one integrated circuit is located onto the large-area fabricating substrate.

Abstract: The present disclosure relates to a device for providing augmented reality that can accurately recognize a writing tool such as an electronic pen to realize motion information of the writing tool over augmented reality contents, and a method for providing augmented reality using the same. According to some embodiments of the disclosure, an augmented reality device includes at least one transparent lens, a support frame supporting the at least one transparent lens, at least one display module configured to display augmented reality contents through the at least one transparent lens, a sensing module at a front of the support frame, and configured to generate image data, and a control module configured to receive motion-sensing signals of an electronic pen to detect motion information of the electronic pen, and configured to modulate the augmented reality contents so that the motion information of the electronic pen is includes therein.

Abstract: Disclosed is an apparatus for excitation signal generation for a resolver. The apparatus includes a sine wave generator that generates a sine wave based on a square wave, an amplifier that amplifies the sine wave, a differential signal generator that converts, into a differential signal, the amplified sine wave, a driver that inputs the differential signal to a coil, and a processor that generates an excitation signal by increasing a voltage of the sine wave from a start voltage to a target voltage through at least one of the sine wave generator and the amplifier based on a transient current that flows into the coil in a transient response interval.

Abstract: The present invention relates to a Lactobacillus sakei CVL-001 strain and a method for isolating same, wherein the strain is lactic acid bacteria which can be isolated from kimchi, and thus can be effectively used as a probiotic or food additive. Furthermore, the present invention relates to a composition for improving, preventing, or treating bone diseases or metabolic diseases, including Lactobacillus sakei CVL-001 strain (Lactobacillus sakei) or a culture medium thereof, wherein the Lactobacillus sakei strain isolated from kimchi and the culture medium thereof exhibit the effects of suppressing osteoclast differentiation, improving osteoporosis, suppressing adipocyte differentiation, and suppressing weight gain, and thus can be effectively used for the improvement, prevention, or treatment of osteoporosis or obesity related diseases.

Abstract: Provided is a vehicle capable of efficient storage medium management by differentially storing images acquired by the vehicle on the basis of a surrounding environment of the vehicle and a vehicle state, and a control method thereof. The vehicle includes a storage, a camera configured to acquire a vehicle surrounding image of a vehicle, a sensor unit configured to acquired vehicle information of the vehicle, and a control unit configured to determine an accident occurrence probability of an accident occurring to the vehicle on the basis of at least one of the vehicle surrounding image and the vehicle information, and in response to determining that a collision has occurred to the vehicle on the basis of the vehicle information, determine a storage form of the vehicle surrounding image on the basis of the accident occurrence probability and store the vehicle surrounding image in the storage.

Abstract: A device-to-device (D2D) communication method is provided. According to an inventive concept, the method comprises, storing, by a first device, first authentication data including a hash chain, which is a sequential concatenation of hash values, and storing, by a second device, second authentication data including an initial hash value of the hash chain, transmitting, by the first device, a final hash value of the hash chain to the second device, determining, by the second device, whether authentication between the first and second devices has succeeded by repeatedly hashing the initial hash value stored in the second device until a hash value identical to the final hash value is returned, and if a determination is made that authentication between the first and second devices has succeeded, performing, by the first and second devices, a connection establishment process for establishing a connection between the first and second devices.

Abstract: Provided is a vehicle capable of efficient storage medium management by differentially storing images acquired by the vehicle on the basis of a surrounding environment of the vehicle and a vehicle state, and a control method thereof. The vehicle includes a storage, a camera configured to acquire a vehicle surrounding image of a vehicle, a sensor unit configured to acquired vehicle information of the vehicle, and a control unit configured to determine an accident occurrence probability of an accident occurring to the vehicle on the basis of at least one of the vehicle surrounding image and the vehicle information, and in response to determining that a collision has occurred to the vehicle on the basis of the vehicle information, determine a storage form of the vehicle surrounding image on the basis of the accident occurrence probability and store the vehicle surrounding image in the storage.

Abstract: A device-to-device (D2D) communication method is provided. According to an inventive concept, the method comprises, storing, by a first device, first authentication data including a hash chain, which is a sequential concatenation of hash values, and storing, by a second device, second authentication data including an initial hash value of the hash chain, transmitting, by the first device, a final hash value of the hash chain to the second device, determining, by the second device, whether authentication between the first and second devices has succeeded by repeatedly hashing the initial hash value stored in the second device until a hash value identical to the final hash value is returned, and if a determination is made that authentication between the first and second devices has succeeded, performing, by the first and second devices, a connection establishment process for establishing a connection between the first and second devices.