Abstract: A flexible assembly system for variable reconfiguration, and a method of reconfiguring a production line. The method includes receiving line configuration information based on a reconfigured production line, retrieving process terminals required to be included in the reconfigured production line based on the line configuration information, when at least one among the process terminals required to be included in the reconfigured production line is not retrieved, transmitting information about the process terminal not retrieved to a line installer terminal, when all the process terminals required to be included in the reconfigured production line are retrieved, dividing the line configuration information based on each of the retrieved process terminals, and transmitting the divided line configuration information to each of the retrieved process terminals and verifying whether a component is provided in each of the process terminals.

Abstract: A barcode recognition apparatus and a barcode recognition method. The barcode recognition method includes receiving, from a sensor, a triggering message indicating that a product enters, setting a camera focus on the basis of a barcode in an image of the product obtained using a camera upon receiving the triggering message, obtaining a product image according to the set camera focus, performing preprocessing for extracting a barcode region on the product image, extracting the barcode region from the preprocessed image, and deriving barcode information from the extracted barcode region.

Abstract: A jig device includes an upper end configured to support an object, and a lower end comprising a hole for insertion and coupling of the upper end in an upper portion and an air inlet and an opening and closing portion configured to open and close the air inlet, in a lower portion. A position of the upper end is configured to be fixed at a point in time at which the air inlet is closed due to air pressure that occurs inside the lower end in response to closing the air inlet.

Abstract: A flexible assembly system for variable reconfiguration, and a method of reconfiguring a production line. The method includes receiving line configuration information based on a reconfigured production line, retrieving process terminals required to be included in the reconfigured production line based on the line configuration information, when at least one among the process terminals required to be included in the reconfigured production line is not retrieved, transmitting information about the process terminal not retrieved to a line installer terminal, when all the process terminals required to be included in the reconfigured production line are retrieved, dividing the line configuration information based on each of the retrieved process terminals, and transmitting the divided line configuration information to each of the retrieved process terminals and verifying whether a component is provided in each of the process terminals.

Abstract: A method for controlling a variable production line using a skid-type variable workbench and an apparatus for the same. According to the method, a process group including multiple variable workbenches may be organized based on a design, each of the multiple variable workbenches may be mounted on an upper part of a skid board, the skid board may be loaded on a powered line that moves at a regular speed in a fixed direction, the skid board may be moved in consideration of a position of a worker responsible for each process and a work state of the process group, and movement of a target variable workbench may be stopped by removing a skid board, on which the target variable workbench corresponding to an unload instruction in the process group is mounted, from the powered line when the unload instruction is input by a worker.

Abstract: A jig device includes an upper end configured to support an object, and a lower end comprising a hole for insertion and coupling of the upper end in an upper portion and an air inlet and an opening and closing portion configured to open and close the air inlet, in a lower portion. A position of the upper end is configured to be fixed at a point in time at which the air inlet is closed due to air pressure that occurs inside the lower end in response to closing the air inlet.

Abstract: A flexible assembly system for multi-product production and a method of reconfiguring a production line for multi-product production. A method of designing a production line includes configuring reconfigurable assembly modules (RAMs) for each production process of the production line using components included in a production line configuring tool, verifying a production amount of each of the RAMs using a production line simulator, designing the production line using RAMs with a production amount greater than or equal to a threshold value, and transmitting design information of the production line to an onsite production line installer terminal.

Abstract: A barcode recognition apparatus and a barcode recognition method. The barcode recognition method includes receiving, from a sensor, a triggering message indicating that a product enters, setting a camera focus on the basis of a barcode in an image of the product obtained using a camera upon receiving the triggering message, obtaining a product image according to the set camera focus, performing preprocessing for extracting a barcode region on the product image, extracting the barcode region from the preprocessed image, and deriving barcode information from the extracted barcode region.

Abstract: A flexible assembly system for multi-product production and a method of reconfiguring a production line for multi-product production. A method of designing a production line includes configuring reconfigurable assembly modules (RAMs) for each production process of the production line using components included in a production line configuring tool, verifying a production amount of each of the RAMs using a production line simulator, designing the production line using RAMs with a production amount greater than or equal to a threshold value, and transmitting design information of the production line to an onsite production line installer terminal.

Abstract: A method of registering virtual equipment for a virtual production system includes generating a production system model and a production process model of a virtual factory on the basis of a structure database (DB), a production DB, and an operation DB, extracting a plurality of equipment behavior catalogs (EBCs) regarding a plurality of pieces of virtual equipment used in the virtual factory from an EBC repository on the basis of the production system model, generating and simulating a plurality of equipment processing models on the basis of the plurality of EBCs and the production process model, and generating an EBC set on the basis of the plurality of EBCs when a result of the simulation satisfies a predetermined criterion.

Abstract: A method for controlling a variable production line using a skid-type variable workbench and an apparatus for the same. According to the method, a process group including multiple variable workbenches may be organized based on a design, each of the multiple variable workbenches may be mounted on an upper part of a skid board, the skid board may be loaded on a powered line that moves at a regular speed in a fixed direction, the skid board may be moved in consideration of a position of a worker responsible for each process and a work state of the process group, and movement of a target variable workbench may be stopped by removing a skid board, on which the target variable workbench corresponding to an unload instruction in the process group is mounted, from the powered line when the unload instruction is input by a worker.

Abstract: A conveyance apparatus including a variable jig and a driving method thereof. The conveyance apparatus includes a transport unit including a transfer belt extending from a loading position to an unloading position of works, the transport unit being a movement path for the works, a variable jig module disposed with respect to a position, where the works stop, in the movement path to support the works, the variable jig module being a variable jig that varies a supporting base, based on shapes of the works, a sensing unit disposed outside the transfer belt with respect to the variable jig module to measure a movement or position of the works, an image processing unit configured to perform image processing on the works transported through the transfer belt, and a controller electrically connected to the variable jig module to control an operation of the variable jig module.

Abstract: A conveyance apparatus including a variable jig and a driving method thereof. The conveyance apparatus includes a transport unit including a transfer belt extending from a loading position to an unloading position of works, the transport unit being a movement path for the works, a variable jig module disposed with respect to a position, where the works stop, in the movement path to support the works, the variable jig module being a variable jig that varies a supporting base, based on shapes of the works, a sensing unit disposed outside the transfer belt with respect to the variable jig module to measure a movement or position of the works, an image processing unit configured to perform image processing on the works transported through the transfer belt, and a controller electrically connected to the variable jig module to control an operation of the variable jig module.

Abstract: A method of generating a packet for low energy critical infrastructure monitoring (LECIM) wireless communication is provided. The method includes steps of generating a first bit string by multiplexing a physical layer header (PHR) bit and a physical layer service data unit (PSDU) bit; convolution encoding the first bit string; interleaving the convolution-encoded first bit string; generating a second bit string by multiplexing the interleaved first bit string with a synchronization header (SHR) bit; and modulating the second bit string with a frequency shift keying (FSK) method and a position-based FSK method.

Abstract: A method of generating a packet of a physical layer transmitter of a TV white space (TVWS) wireless personal area network (WPAN) system operating a WPAN service in TVWS is provided. A packet that is generated by the method of generating the packet includes a preamble, a start frame delimiter that is positioned after the preamble, a first physical layer header that is positioned after the start frame delimiter, and a physical layer service data unit that is positioned after the first physical layer header. Here, the first physical layer header represents whether the packet is a ranging packet for ranging, and includes a ranging packet identification bit corresponding to a reserved bit of the second physical layer header in a SUN system and a LECIM system, and a parity bit.

Abstract: A method of generating networks by utilizing a multi-channel so that channels may be efficiently used, inter-channel interference may be avoided, and a network may be energy efficiently managed is provided. Through a super personal area network (PAN) coordinator that manages all networks based on a multi-channel, a PAN capable of avoiding inter-channel interference may be formed. In addition, it is possible to grasp use states of channels used for transmitting and receiving beacon frames, to observe a change in a network topology, and to form an energy efficient PAN.

Abstract: A method for operating a device in a personal area network (PAN), includes: obtaining physical layer information regarding a physical layer; scanning a channel on the basis of the physical layer information; selecting a channel on the basis of channel information obtained through the channel scanning process; determining whether or not there is a PAN coordinator with respect to the selected channel; and when a PAN coordinator does not exist in the selected channel, transmitting a beacon signal including information regarding a superframe structure, wherein the superframe structure includes at least one sub-superframe, and the information regarding the superframe structure includes information regarding the number of beacon slots for transmitting a beacon signal in each sub-superframe, the number of data slots for transmitting data in each sub-superframe, and the number of sub-superframes.

Abstract: A method of generating networks by utilizing a multi-channel so that channels may be efficiently used, inter-channel interference may be avoided, and a network may be energy efficiently managed is provided. Through a super personal area network (PAN) coordinator that manages all networks based on a multi-channel, a PAN capable of avoiding inter-channel interference may be formed. In addition, it is possible to grasp use states of channels used for transmitting and receiving beacon frames, to observe a change in a network topology, and to form an energy efficient PAN.

Abstract: A method of generating a packet of a physical layer transmitter of a TV white space (TVWS) wireless personal area network (WPAN) system operating a WPAN service in TVWS is provided. A packet that is generated by the method of generating the packet includes a preamble, a start frame delimiter that is positioned after the preamble, a first physical layer header that is positioned after the start frame delimiter, and a physical layer service data unit that is positioned after the first physical layer header. Here, the first physical layer header represents whether the packet is a ranging packet for ranging, and includes a ranging packet identification bit corresponding to a reserved bit of the second physical layer header in a SUN system and a LECIM system, and a parity bit.

Abstract: A high frequency transmitting and receiving apparatus of a wireless communication system low-noise amplifies a signal that is received from a transmitting and receiving antenna through a low noise amplifier in a reception mode, and amplifies a signal be transmitted through a power amplifier in a transmission mode and transmits the signal through the transmitting and receiving antenna, and the high frequency transmitting and receiving apparatus is connected between the transmitting and receiving antenna and the low noise amplifier and turns on a switch in a reception mode and turns off the switch in a transmission mode, thereby separating transmitting and receiving signals.