Abstract: Disclosed is a system comprising a robust optimal disturbance observer for high-precision position control performed by an electronic device. The system comprises: a plant (P) to be controlled; a controller (C); a first weight function (W1); a second weight function (W2); and a disturbance observer, wherein the first weight function (W1) receives a difference value between a disturbance (w) and an output (uDO) of the disturbance observer as an input value, the second weight function (W2) receives a difference value between the output value of the controller (C) and the output (uDO) of the disturbance observer as an input value, the plant (P) to be controlled receives, as an input value, the sum value of the disturbance (w) and the difference value between the output value of the controller (C) and the output (uDO) of the disturbance observer, and the controller (C) receives an output value of the plant (P) to be controlled as an input value.

Abstract: The present invention relates to a composition comprising 4-hexylresorcinol(4-HR) as an active ingredient for prevention or treatment of a bone disease, and a formulation thereof. The composition comprising 4-hexylresorcinol (4-HR) as an active ingredient, or an ointment thereof was found to improve bone thickness, density, and strength and control bone remodeling by promoting the differentiation of osteoblasts and suppressing the proliferation and differentiation of osteoclasts in osteoporosis-induced animal models. Thus, the composition or ointment comprising 4-hexylresorcinol (4-HR) as an active ingredient can be provided as a therapeutic agent for bone diseases including bone fracture, osteoarthritis, rheumatoid arthritis, and osteoporosis.

Abstract: A method of processing hexahedral metal includes an X-axis edge forging step to press two X-axis edges on opposite sides to each other from a center of the hexahedral metal among edges formed in an X-axis direction, process the hexahedral metal into hexagonal prismatic metal, and restore the hexagonal prismatic metal to hexahedral metal, a Y-axis edge forging step to press two Y-axis edges on opposite sides to each other from the center of the hexahedral metal among edges formed in a Y-axis direction, process the hexahedral metal into hexagonal prismatic metal, and restore the hexagonal prismatic metal to hexahedral metal, and a Z-axis edge forging step to press two Z-axis edges on opposite sides to each other from the center of the hexahedral metal among edges formed in a Z-axis direction, process the hexahedral metal into hexagonal prismatic metal, and restore the hexagonal prismatic metal to hexahedral metal.

Abstract: A method of processing hexahedral metal includes an X-axis edge forging step to press two X-axis edges on opposite sides to each other from a center of the hexahedral metal among edges formed in an X-axis direction, process the hexahedral metal into hexagonal prismatic metal, and restore the hexagonal prismatic metal to hexahedral metal, a Y-axis edge forging step to press two Y-axis edges on opposite sides to each other from the center of the hexahedral metal among edges formed in a Y-axis direction, process the hexahedral metal into hexagonal prismatic metal, and restore the hexagonal prismatic metal to hexahedral metal, and a Z-axis edge forging step to press two Z-axis edges on opposite sides to each other from the center of the hexahedral metal among edges formed in a Z-axis direction, process the hexahedral metal into hexagonal prismatic metal, and restore the hexagonal prismatic metal to hexahedral metal.

Abstract: A data augmentation method includes extracting one or more basis vectors and coefficient vectors corresponding to sound source data classified in advance into a target class by applying non-negative matrix factorization (NMF) to the sound source data, generating a new basis vector using the extracted basis vectors, and generating new sound source data using the generated new basis vector and the extracted coefficient vectors.

Abstract: Provided is a functional cosmetic composition of white rose extract and a gartanin derivative compound isolated therefrom, and specifically, to a cosmetic composition for skin whitening and skin wrinkle alleviation containing, as active ingredients, white rose petal extract and gartanin derivative compounds isolated therefrom. The white rose extract and gartanin derivative compound, according to the present invention, are safe without causing side effects on the skin, prevent melanin production through a mechanism inhibiting tyrosinase activity, thereby having a whitening effect, and exhibit a wrinkle alleviation effect by a mechanism inhibiting MMP-1 activity, and thus the composition, of the present invention, containing the same as active ingredients, can be utilized as a material for functional cosmetics for skin whitening and wrinkle alleviation without causing skin irritation.

Abstract: Disclosed is a composition for enhancing alcohol metabolism in a subject, who overdrank, the composition comprises an effective amount of ginsenoside-free extract of steam-dried Korean ginseng berry (GFM) and one or more pharmaceutically or sitologically acceptable carriers. The composition of the present disclosure may be effective for alleviating hangover according to overdrink and for protecting liver from alcoholic injure.

Abstract: A contents converting apparatus, a contents converting method, and a computer readable recording medium are provided. The contents converting apparatus is for converting contents including a plurality of stream data and stored in a Blu-ray disc. The contents converting apparatus includes a controller configured to receive manifest information of a data structure configuring the contents, and determine stream data to be copied from the Blu-ray disc based on the manifest information. The convents converting apparatus further includes a formatter configured to convert the determined stream data of a first format to new stream data of a second format.

Abstract: Provided are apparatus and system for pest detection and a method for detecting pest damage to prevent pest damage in wooden building structures. The apparatus according to one aspect of the present invention comprises: a post-shaped main body extending in a set direction and formed therealong, and comprising a plurality of holes distanced from each other with a wall therebetween, the wall comprising timber which can be despoiled by pest; and a sensor unit allowing attachment and detachment to and from the upper end of the main body. Here, the sensor unit may comprise: a light-emitting unit comprising at least one light-emitting body for irradiating the interior of at least one hole among the plurality of holes; a sensing unit for sensing the light, emitted from the light-emitting unit, in the interior of at least one hole from among the plurality of holes; and a detection unit for outputting a light signal received from the sensing unit as an electrical signal.

Abstract: An asymmetric rolling method for rolling a rolling material by using at least one pair of working rolls comprises rolls rotating at the same linear velocity and having different diameters. An asymmetric rolling apparatus may comprise a first roll contacting a first surface of a rolling material, a second roll having a diameter different from that of the first roll and contacting a second surface of the rolling material opposite to the first surface, and a power providing unit for providing power to each of the first and second rolls to adjust a ratio between angular velocities of the first and second rolls.

Abstract: The present invention relates to an analyte detection device comprising: a sample chamber for storing a mixture solution of a sample comprising an analyte and a reactant comprising particles; a detection chamber for storing a detection solution; and a channel placed between the sample chamber and the detection chamber to prevent the mixture solution and the detection solution from being mixed with each other, the analyte detection device characterized by detecting the analyte by moving the particles from the sample chamber to the detection chamber using moving means.

Abstract: An asymmetric extrusion method, an extruded material extruded using the same, a die for asymmetric extrusion, and an asymmetric extrusion apparatus. According to the asymmetric extrusion method, an extruded material having a plate shape is formed by pushing an extruding material through a die including an extrusion hole having an asymmetric shape with respect to an extrusion direction of the extruding material, so as to extrude the extruding material while inducing shear strain in the extruding material.

Abstract: Provided are apparatus and system for pest detection and a method for detecting pest damage to prevent pest damage in wooden building structures. The apparatus according to one aspect of the present invention comprises: a post-shaped main body extending in a set direction and formed therealong, and comprising a plurality of holes distanced from each other with a wall therebetween, the wall comprising timber which can be despoiled by pest; and a sensor unit allowing attachment and detachment to and from the upper end of the main body. Here, the sensor unit may comprise: a light-emitting unit comprising at least one light-emitting body for irradiating the interior of at least one hole among the plurality of holes; a sensing unit for sensing the light, emitted from the light-emitting unit, in the interior of at least one hole from among the plurality of holes; and a detection unit for outputting a light signal received from the sensing unit as an electrical signal.

Abstract: The present invention relates to a pharmaceutical composition for treating Alzheimer's disease and improving cognitive function of Alzheimer's patients, and more specifically for pharmaceutical composition for treating Alzheimer's disease and improving cognitive function of Alzheimer's patients comprising ginsenoside complex prepared by sequential fraction of steam-dried unripened ginseng berries using solvents and used thereof.

Abstract: A contents converting apparatus, a contents converting method, and a computer readable recording medium are provided. The contents converting apparatus is for converting contents including a plurality of stream data and stored in a Blu-ray disc. The contents converting apparatus includes a controller configured to receive manifest information of a data structure configuring the contents, and determine stream data to be copied from the Blu-ray disc based on the manifest information. The convents converting apparatus further includes a formatter configured to convert the determined stream data of a first format to new stream data of a second format.

Abstract: Provided is an asymmetric rolling method including: entering a to-be-rolled material having a first surface and a second surface between a first roll and a second roll that has a greater diameter than that of the first roll and a rotary angular speed that is different from that of the first roll while the first surface and the second surface respectively contact the first roll and the second roll, followed by rolling, and entering the rolled to-be-rolled material between a third roll and a fourth roll that has a greater diameter than that of the third roll and a rotary angular speed that is different from that of the third roll while the first surface and the second surface respectively contact the fourth roll and the third roll, followed by rolling, wherein different shear stresses are applied to the first and second surfaces of the to-be-rolled material.

Abstract: A content processing apparatus is provided, which includes an inputter configured to receive an input of high resolution content, a data processor configured to generate video frames by processing the high resolution content, and a controller configured to control the data processor to configure an object that corresponds to the high resolution content as an object for low resolution and to add the object to the video frame if an output resolution of a display panel to display the video frames is a low resolution.

Abstract: A storage medium, a reproducing apparatus and a method for recording and playing image data are provided. The method for storing the image data includes encoding image data including at least one group of pictures (GOP), and storing the encoded image data and additional information for the image data, wherein the at least one GOP includes an I-frame, a plurality of P-frames and a plurality of B-frames and wherein the encoding the image data includes encoding the at least one GOP in order of the I-frame, the plurality of P-frames and the plurality of B-frames.

Abstract: The present invention relates to a composition comprising chlorella extract for preventing or treating liver diseases. The composition comprising the chlorella extract according to the present invention may be applied to medical supplies and health supplementary food and the like, and the chlorella extract of the present invention may be usefully used as a composition for preventing or treating liver diseases because it shows inhibitory effect on liver function injury in a liver function injured model.

Abstract: The present invention is to provide a method and apparatus for multiplexing a sync node and a gateway of a wireless sensor network, which is capable of allowing communication of the wireless sensor network to be normally performed by multiplexing paths of the sync node and the gateway of the wireless sensor network even in the case where any one of the sync node and the gateway abnormally operates and by transmitting upstream data and downstream data through a path selected among the duplexed paths according to characteristics of the wireless sensor network.