Abstract: A nuclear power plant virtualization system and an operation method thereof are provided. A nuclear power plant virtualization system includes: virtual machine control parts; virtual machine network parts linked to the virtual machine control parts; and a virtualization platform switch linked with the virtual machine control parts and the virtual machine network parts, wherein the virtual machine control parts include a first MMI linked driver module, the virtual machine network parts include a second MMI linked driver module, and the virtual machine control parts and the virtual machine network parts modify an IP/MAC address in data communicated with the outside and allow the data communicated with the outside from the virtual machine control parts to pass through the virtual machine network parts, via the first MMI linked driver module and the second MMI linked driver module.

Abstract: Provided is a diffuser equipped with an integrated cover that is opened and closed by an air current formed when a fan module is driven to control the spread of scent. The diffuser includes a body forming an exterior, a base inserted and fixed into the body and having a through-portion formed on one surface thereof, and an aroma container coupled to the base, wherein the base includes a cover rotatably provided on the through-portion, and an internal space of the body and an internal space of the base are selectively communicated with each other as the cover is rotated.

Abstract: A system for providing a photography service and an operation method thereof are provided. The operation method includes printing, by a photography kiosk of the system, a photo output including at least one image and a two-dimensional code; identifying, by a user terminal of the system, the two-dimensional code using a photographing device of the user terminal; receiving, by the user terminal, the at least one image or a time-lapse video corresponding to the at least one image, the at least one image or the time-lapse video received from a server of the system; and downloading, by the user terminal, the at least one image or the time-lapse video.

Abstract: Provided is an automatic pop-up device for a vehicle legrest having the following effects. A seatback reclining mechanism, a tilting mechanism, and a legrest deployment mechanism are formed as a simple integrated mechanism configured to adjust a relaxation position of a passenger, and the integrated mechanism allows the legrest to be automatically deployed when a reclining operation of a seatback and a tilting operation of a seat cushion are performed together, thereby reducing the number of components, costs, and weight. Additionally, provided is a single switch configured to adjust the relaxation position of the passenger, thereby improving the convenience of a switch operation of adjusting the relaxation position of the passenger.

Abstract: An upper rail device for a seat of a vehicle includes: a lower plate in which a slot is formed, a drive housing mounted on the lower plate, a drive support that passes through the slot for insertion into a curved movement path of a lower rail, a motor with a reducer mounted on an upper surface of the drive housing, a drive shaft connected to an output portion of the reducer, a drive gear mounted on a lower end portion of the drive shaft and engaged with a driven gear mounted within the curved movement path of the lower rail. The upper rail device may be fastened to enable sliding movement along the curved movement path of the lower rail so that the seat can be moved in a diagonal or oblique direction depending on various purposes, which can improve a seat position movement adjustment.

Abstract: There is disclosed a freewheel adjustable wheel is characterized in that it may switch between a freewheel mode and a non-freewheel mode in one fitness bike, and may guide gear engaging by a magnetic force when operating in a freewheel mode and a non-freewheel mode, and a fitness bike therewith.

Abstract: Proposed is a method for product recommendation by a server. The method may include receiving a gift recommendation request from a first user terminal for a second user, checking available basic information of the second user, and determining a first recommendation information based on the basic information, wherein the first recommendation information comprises a first recommendation reason and at least one product related to the first recommendation reason. The method may also include determining a second recommendation information not based on the basic information, wherein the second recommendation information comprises a second recommendation reason and at least one product related to the second recommendation reason. The method may further include providing recommendation information comprising the first and second recommendation information to the first user terminal. The first recommendation information may be prioritized for display over the second recommendation information.

Abstract: The present invention relates to a freewheel adjustable wheel and an exercise bicycle including the same and. More specifically, may comprise a rotation gear part which rotates together with a pulley fixed to the outer side thereof and has a circular gear formed along the outer circumference thereof; a case part for rotatably supporting the rotation gear part; a first power transmission part for transmitting power which has been transmitted to the rotation gear part to the case part when the rotation gear part rotates in the normal direction; and a second power transmission part for transmitting power which has been transmitted to the rotation gear part to the case part when the rotation gear part rotates in the reverse direction.

Abstract: Disclosed herein are a freewheel adjustable wheel and a fitness bike therewith. The freewheel adjustable wheel according to the present disclosure comprises a rotation gear part being rotatably disposed outside a shaft, a spline gear rotating together with the rotation gear part, a fixation case which rotatably supports the rotation gear part and a rotation of which is restricted, a rotation case receiving power of the rotation gear part to rotate, a clutch bearing transferring power at a time when the rotation gear part rotates forward, a first gear part receiving power thought the clutch bearing, a driving part being fixed to the fixation case and providing rotational power, and a movement gear part operating in a non-freewheel mode where the movement gear part engages with the first gear part, and in a freewheel mode where the movement gear part is spaced from the first gear part.

Abstract: Provided is a method of calculating an optimal temperature of a furnace, the method including: acquiring a plurality of appropriate candidate temperatures of the furnace from first input data using a trained optimal temperature model; acquiring predictive property values of the material from second input data using a trained property prediction model; acquiring one or more sampled appropriate candidate temperatures from the plurality of appropriate candidate temperatures based on a result of comparing a target property value with the predictive property values; acquiring heat information of a case of operating the furnace at the sampled appropriate candidate temperatures, acquiring one or more appropriate temperatures from the sampled appropriate candidate temperatures based on a result of comparing the heat information; and transmitting a request to set the acquired optimal temperature to a set temperature value of the furnace.

Abstract: A lower rail for a seat of a vehicle has a structure with a curved movement path, in which the seat may be moved in an oblique direction or a diagonal direction according to various seat positions, thereby allowing a degree of freedom for adjusting a seat position movement. In addition, the lower rail includes a curved inner channel bent at a predetermined angle and a curved outer channel bent at about a same angle as the curved inner channel, which are separately provided and configured to be mutually combined in order to provide one curved movement path for moving the seat.

Abstract: A non-contact interface device for a vehicle and a method for controlling the same, may display an operation system menu for a driver and passengers to operate various kinds of devices of the vehicle as a hologram, enable a user to operate the displayed operation system menu in a non-contact manner by use of the user's finger or the like, and provide the user with a tactile feedback for a non-contact operation, so that the user can recognize whether to have operated the menu.

Abstract: A fishing gear loss management system includes: fishing gear which is provided underwater, and which provides identification information and location information thereof to the outside; a fishing vessel terminal device, which communicates with the fishing gear and provides fishing vessel information; and a fishing gear loss management device, which performs a management function for the fishing gear or fishing vessel within a preset control area, receives fishing gear location information from the fishing gear and the flow speed and direction of tidal currents from the outside, calculates the flow speed and direction information of the fishing gear on the basis of the received fishing gear location information, and estimates whether the fishing gear is lost and the current location of the lost fishing gear on the basis of the calculated flow speed and direction information and the tidal current flow speed and direction information.

Abstract: A seat rail retainer includes a body, among a first rail and a second rail that are disposed to slide straightly respectively in a longitudinal direction, the body being fixed to the first rail, an elastic supporting portion protruding from the body to be elastically pressed by the second rail, and an inserting body inserted into the body to provide an elastic force to the elastic supporting portion.

Abstract: The present disclosure introduces a vehicle safety control system and a vehicle safety control method, which recognize, in advance, an obstacle approaching the vehicle around the vehicle, and, when the vehicle and the obstacle come near each other in distance, operate SVM to determine the possibility of collision between the vehicle and the obstacle in advance, and prevent a collision accident by controlling the vehicle on the basis of the possibility of collision between the vehicle and the obstacle.

Abstract: According to the present disclosure, a rotary load level of a flywheel increases or decreases to be adjusted, based on the one-touch manipulation of a switch for regulating a rotary load in both directions, making it possible to reliably adjust a rotary load level without causing a change in the user's posture during a ride of a fitness bike and gradually control a rotary load level of the flywheel of the fitness bike.

Abstract: A frame structure for a purpose built vehicle (PBV) includes: an inner panel connected to the rear of a middle part of a side member to form an inner side of a rear part of the side member, a front outer panel connected to the rear of the middle part of the side member and coupled to an outer side of the inner panel to form a closed cross-section, a center outer panel connected to the rear of the front outer panel and coupled to the outer side of the inner panel to form a space in which a rear suspension member is coupled, and a rear outer panel connected to the rear of the center outer panel and coupled to the outer side of the inner panel to form a closed cross-section.

Abstract: An apparatus for quantum-based physically unclonable functions is disclosed. The apparatus for quantum-based physically unclonable functions according to an embodiment of the present embodiment comprises a random nanostructure formed on a substrate by hydrothermal synthesis, wherein the random nanostructure emits a laser light of a predetermined pattern through the quantum activity of the random nanostructure.

Abstract: An embodiment rear side member of a vehicle includes a front portion extending forward in a vehicle length direction, a rear portion extending rearward in the vehicle length direction and disposed offset to an inside of the vehicle with respect to the front portion, and a transition portion in a curved shape connecting a rear end of the front portion and a front end of the rear portion and passing through both a first point configured to engage with a first arm of a first type suspension and a second point configured to engage with a second arm of a second type suspension different from the first type suspension.

Abstract: A customized electrical stimulation providing system includes: an electrical stimulation request input unit receiving electrical stimulation mode selection information; an electrical stimulation control unit setting an electrical stimulation control variable according to the electrical stimulation mode selection information and generating a control signal; and an electrical stimulation providing means receiving the control signal generated by the electrical stimulation control unit and providing electrical stimulation, wherein the electrical stimulation mode selection information includes at least one of a beauty mode (muscle loss mode) and a muscle strengthening mode.