Abstract: The present invention relates to a method for determining a touchdown position of a robot performed by a computing device, the method comprising the steps of: detecting a disturbance during swing of a first leg of the robot toward a first touchdown position, calculating a second touchdown position based on a dynamic state of the robot in response to the detection of the disturbance, identifying a step obstacle region based on terrain information of the robot and determining whether the second touchdown position belongs to the step obstacle region, and determining a third touchdown position out of the step obstacle region as the touchdown position of the first leg, in a case in which the second touchdown position belongs to the step obstacle region.

Abstract: The present disclosure provides a resource-circulation-type and eco-friendly livestock manure treatment method, and a system for producing algal biomass used therein, the method being capable of: preventing water pollution while allowing livestock liquid fertilizer to be treated on the basis of a biological process; producing algal biomass; and supplying the produced algal biomass to livestock feed and farms.

Abstract: Embodiments of the present disclosure relate to a system and an operating method of the system. Based on some embodiments of the disclosed technology, the system may include a random access memory structured to include memory cells to store data, a cache memory configured to cache at least part of the data, and a processor in communication with the random access memory and the cache memory to access at least part of the data from the random access memory or cache memory. The system may determine a cache hit ratio for the cache memory, and may set an operating frequency of the random access memory based on the cache hit ratio.

Abstract: An embodiment vehicle headrest device includes a headrest including a pad portion configured to contact and support a sitting passenger's head and a cover portion positioned behind the pad portion, the pad portion being configured to move diagonally, a main frame coupled to a headrest stay and configured to move upwards/downwards along the headrest stay, and a motor module portion connected to the pad portion and the main frame such that, in operation, the motor module portion is configured to move an entirety of the headrest, including the main frame, upwards/downwards or to move only the pad portion diagonally.

Abstract: A pore-filled ion exchange polyelectrolyte composite membrane from which the surface ion exchange polyelectrolyte has been removed and a method of manufacturing the same are provided. The ion exchange polyelectrolyte composite membrane exhibits low film resistance and low in-plane-direction swelling degree, and has a smaller film-thickness than a commercial film, and thus, can be used for various purposes. In addition, since the pore-filled ion exchange polyelectrolyte composite membrane is continuously manufactured through a roll-to-roll process, the manufacturing process is simple, and manufacturing costs can be greatly reduced.

Abstract: A rendering method of an object-based audio signal and an apparatus for performing the same are provided. The rendering method of an object-based audio signal includes obtaining a rendered audio signal, performing clipping prevention on the rendered audio signal using a first limiter, mixing a signal output by the first limiter using a mixer, and performing clipping prevention on the mixed signal using a second limiter.

Abstract: A method of rendering object-based audio and an electronic device performing the method are provided. The method includes identifying a bitstream, determining a reference distance of an object sound source based on the bitstream, determining a minimum distance for applying distance-dependent attenuation, based on the reference distance, and determining a gain of object-based audio included in the bitstream based on the reference distance and the minimum distance.

Abstract: An electric vehicle charging coupler having a handle and an electric vehicle charging apparatus including the same. The electric vehicle charging coupler includes a coupler body having one side on which a charging port to be mounted to a charging port of an electric vehicle is formed to perform charging, a cable inlet part which is formed in an upper portion of the coupler body and into which a charging cable is inserted, and a handle formed to extend from the other side of the coupler body to be held by a hand and provided separately from the cable inlet part. Therefore, the electric vehicle can be easily charged by easily handling the thick and heavy charging cable.

Abstract: A method for coding image information includes generating prediction information by predicting information on a current coding unit, and determining whether the information on the current coding unit is the same as the prediction information. When the information on the current coding unit is the same as the prediction information, a flag indicating that the information on the current coding unit is the same as the prediction information is coded and transmitted. When the information on the current coding unit is not the same as the prediction information, a flag indicating that the information on the current coding unit is not the same as the prediction information and the information on the current coding unit are coded and transmitted.

Abstract: Disclosed is a headrest device for a vehicle. The headrest device may include a stationary headrest portion coupled to a seatback of the vehicle and formed to extend upwards. The stationary headrest portion may be located at a rear of a head of an occupant. The headrest device may include a movable headrest portion coupled to the stationary headrest portion so as to be slidable in a vertical direction, the movable headrest portion may be located in front of the stationary headrest portion. The headrest device may include an actuator including a first side coupled to the fixed part, and a second side coupled to the movable headrest portion. The actuator may be configured to cause the movable headrest portion to slide in the vertical direction.

Abstract: Disclosed herein are an electric vehicle charging coupler having a handle and an electric vehicle charging apparatus including the same. The electric vehicle charging coupler includes a coupler body having one side on which a charging port to be mounted to a charging port of an electric vehicle is formed to perform charging, a cable inlet part which is formed in an upper portion of the coupler body and into which a charging cable is inserted, and a handle formed to extend from the other side of the coupler body to be held by a hand and provided separately from the cable inlet part. Therefore, the electric vehicle can be easily charged by easily handling the thick and heavy charging cable.

Abstract: A distance detecting apparatus and a method thereof includes a dual wavelength tuning light source configured to transmit a transmission optical signal by performing band tunability and fine tunability on an optical signal based on non-mechanical scanning; a transmitter optical system configured to transmit the transmission optical signal received from the dual wavelength tuning light source to an outside: a receiver optical system configured to extract a wavelength difference between a reception optical signal received from the outside and the transmission optical signal received from the dual wavelength tuning light source; and a signal processor configured to receive the wavelength difference from the receiver optical system and convert the wavelength difference into distance information.

Abstract: Disclosed herein is a method for manufacturing a hydrogen sensor, the method comprising the steps of: disposing a thin film made of a transition metal or an alloy thereof on a surface of elastic substrate; applying a tensile force in a repetitive manner to the elastic substrate to form a nanocrack on the thin film disposed on the surface of the elastic substrate; and injecting hydrogen gas into the formed nanocrack and then removing the hydrogen gas to form a nanogap, wherein the tensile force in the step of forming a nanocrack is applied to an extent that the elastic substrate has a tensile strain of 25% to 100%.

Abstract: An embodiment memory device includes a drain electrode disposed on a semiconductor substrate, a channel region in contact with the drain electrode, a source electrode in contact with the channel region, and a floating gate region in contact with the source electrode and the drain electrode, the floating gate region including a nano-dot region including at least one nano-dot gate, wherein the drain electrode is overlapped with the nano-dot region, and wherein the nano-dot region is overlapped with the channel region.

Abstract: A power semiconductor device includes: a semiconductor layer; a well region positioned inside the semiconductor layer and having a first conductive type; a source region positioned on the well region and having a second conductive type; a gate region making contact with a side surface of the well region to surround the well region; and a drift region making contact with bottom surfaces of the well region and the gate region and having the second conductive type. The drift region may include a protrusion region extending from the drift region and making contact with another side surface of the well region.

Abstract: An electric vehicle charging coupler having a handle and an electric vehicle charging apparatus including the same. The electric vehicle charging coupler includes a coupler body having one side on which a charging port to be mounted to a charging port of an electric vehicle is formed to perform charging, a cable inlet part which is formed in an upper portion of the coupler body and into which a charging cable is inserted, and a handle formed to extend from the other side of the coupler body to be held by a hand and provided separately from the cable inlet part. Therefore, the electric vehicle can be easily charged by easily handling the thick and heavy charging cable.

Abstract: Disclosed are a method of producing an electrochromic composition capable of diversifying colors, an electrochromic composition produced thereby, and an electrochromic device including the electrochromic composition. The electrochromic composition may be produced through a solution direct reaction using an electro-spray machine including two nozzles symmetrically inclined toward a central axis. The method may include preparing, respectively, a first coating composition comprising a first electrochromic compound and a second coating composition comprising a second electrochromic compound; loading, respectively, the first coating composition and the second composition into an electro-spray machine; spraying the first coating composition and the second coating composition under application of a voltage to the electro-spray device; and forming a electrochromic composition by reacting the first electrochromic compound with the second electrochromic compound during spraying.

Abstract: Disclosed is a plastic composite including a magnetic alloy material in an amount of about 20% by volume or greater on the basis of the total volume of the plastic composite. Accordingly, weight of the clutch may be reduced by about 0.4 kg and weight of the pulley can be reduced by about 0.4 kg with the result that overall weight may be reduced by about 0.8 kg.

Abstract: Disclosed herein are an electric vehicle charging coupler having a handle and an electric vehicle charging apparatus including the same. The electric vehicle charging coupler includes a coupler body having one side on which a charging port to be mounted to a charging port of an electric vehicle is formed to perform charging, a cable inlet part which is formed in an upper portion of the coupler body and into which a charging cable is inserted, and a handle formed to extend from the other side of the coupler body to be held by a hand and provided separately from the cable inlet part. Therefore, the electric vehicle can be easily charged by easily handling the thick and heavy charging cable.

Abstract: Disclosed is a plastic composite including a magnetic alloy material in an amount of about 20% by volume or greater on the basis of the total volume of the plastic composite. Accordingly, weight of the clutch may be reduced by about 0.4 kg and weight of the pulley can be reduced by about 0.4 kg with the result that overall weight may be reduced by about 0.8 kg.