Abstract: A powder supply management system for a laser forming device, includes: a hopper for discharging powder; a main sampling unit which guides a portion of the powder discharged from the hopper to the laser forming device and guides the remaining powder to be discharged to another location; and a discharge monitoring unit which calculates an amount of the remaining powder separated in the main sampling unit.

Abstract: A laser shaping device includes: a supply control part provided so that stored powder is introduced and stays therein, and configured to discharge the powder by external force; and a supply driving part moving the supply control part, and providing a force to increase and then reduce a moving speed in a process of reciprocating the supply control part. The supply control part includes a passage through which the powder is introduced and discharged, and a direction of the passage is changed at least twice or more.

Abstract: A supply device for supplying powder, includes: a storage part in which the powder is stored; a supply control part which is provided such that the stored powder flows therein and remains therein, and from which the powder is discharged by external force; and a supply driving part which provides force to the supply control part. The supply driving part includes a control period in which a moving speed is increased and then reduced in a process of reciprocating the supply control part. The control period is set to perform a movement by a distance which is obtained by excluding or adding a predetermined distance from or to a total distance in the process of reciprocating the supply control part.

Abstract: A SLA 3D printer according to the present disclosure includes: a plurality of molding plates; at least one molding plate mover configured to control movement of the plurality of molding plates; at least one resin container in which the plurality of molding plates and photocurable liquid resin are accommodated; a light source configured to cure the liquid resin; and an optical path changer configured to change an optical path, wherein, when one of the plurality of molding plates is being moved by the at least one molding plate mover, the optical path changer changes the optical path so that another molding plate that is not being moved is irradiated with light from the light source.

Abstract: A laser forming device includes a powder discharger configured to discharge powder to a molding object, a laser irradiator configured to irradiate the discharged powder with energy, and a powder supplier configured to the powder to the powder discharger. The powder discharger includes a first divider configured to surround a side surface of the laser irradiator so that the powder is introduced into the first divider and is discharged in at least two directions, and a division selector configured to rotate the first divider with the laser irradiator as an axis.

Abstract: A software defined network (SDN)-based network management apparatus includes: an SDN controller including a first management unit to store a plurality of heterogeneous protocol information items, and an SDN switch controlled by the SDN controller and including a second management unit to store at least one heterogeneous protocol information item acquired from the SDN controller and a gateway to communicate with a vehicle network. In particular, upon receiving a packet corresponding to a new protocol that has not been used for access, from an external source, the SDN switch sends a request to the SDN controller for analysis of the received packet, and the SDN controller forwards protocol information corresponding to the received packet among the plurality of heterogeneous information items stored in the first management unit, to the SDN switch.

Abstract: A vehicle to vehicle (V2V) communication method and an apparatus using the same, for changing a communication method with a surrounding vehicle in consideration of an event type, may include: when an event occurs, determining whether the event is an important event, when the event is the important event, broadcasting data of the event, when the event is not the important event, determining a transmission method depending a communication situation with a surrounding vehicle, and multicasting or broadcasting the data of the event depending on the determined transmission method.

Abstract: A vehicle to vehicle (V2V) communication method and an apparatus using the same, for changing a communication method with a surrounding vehicle in consideration of an event type, may include: when an event occurs, determining whether the event is an important event, when the event is the important event, broadcasting data of the event, when the event is not the important event, determining a transmission method depending a communication situation with a surrounding vehicle, and multicasting or broadcasting the data of the event depending on the determined transmission method.

Abstract: A software defined network (SDN)-based network management apparatus includes: an SDN controller including a first management unit to store a plurality of heterogeneous protocol information items, and an SDN switch controlled by the SDN controller and including a second management unit to store at least one heterogeneous protocol information item acquired from the SDN controller and a gateway to communicate with a vehicle network. In particular, upon receiving a packet corresponding to a new protocol that has not been used for access, from an external source, the SDN switch sends a request to the SDN controller for analysis of the received packet, and the SDN controller forwards protocol information corresponding to the received packet among the plurality of heterogeneous information items stored in the first management unit, to the SDN switch.

Abstract: An Ethernet based vehicle network message transferring system is provided that includes a gateway switch that connects the Ethernet to vehicle networks having different protocols and an Ethernet switch that switches Ethernet messages between the gateway switch and vehicle devices to transfer the Ethernet messages. The Ethernet switch includes a processing module that transfers the Ethernet messages received via the gateway switch in the different vehicle networks, a vehicle network process module that switches the messages transferred from the processing module, and a lookup table in which information necessary for switching the vehicle network process module is stored.

Abstract: An Ethernet based vehicle network message transferring system is provided that includes a gateway switch that connects the Ethernet to vehicle networks having different protocols and an Ethernet switch that switches Ethernet messages between the gateway switch and vehicle devices to transfer the Ethernet messages. The Ethernet switch includes a processing module that transfers the Ethernet messages received via the gateway switch in the different vehicle networks, a vehicle network process module that switches the messages transferred from the processing module, and a lookup table in which information necessary for switching the vehicle network process module is stored.

Abstract: Disclosed is a vehicle management system using a wireless network system the system comprising, a WCDMA service unit having a specified ID and obtaining access to a network wirelessly, an ECU system associated with the WCDMA service module for controlling all kinds of interfaces in a vehicle, a service provider for providing various services when the WCDMA service module is connected to the wireless network, and a user having the services through non-wireless or wireless communication inside or outside of the vehicle.

Abstract: Disclosed is a 3D vehicle simulator system for an ECU embedded system comprising an external input apparatus 130, to which signals of one or more external sensors are inputted, an ECU embedded system 120 for processing and executing signals inputted form the external input apparatus 130, an external output apparatus 140 for receiving and outputting the output signals of the ECU embedding system 120, a vehicle simulator 110 for calculating at real time the signals inputted from the ECU embedded system 120, and for 3D-modeling and outputting the status of the vehicle, and a display 150 for displaying the 3D-modeled vehicle outputted form the vehicle simulator 110.

Abstract: The present invention relates to a gateway device, a network system and a data converting method using a plurality of network protocols different from each other. A gateway device includes a first communication controller connected to first device via a first bus in accordance with a first network protocol to exchange data with the first device in accordance with the first network protocol, a second communication controller connected to second device via a second bus in accordance with a second network protocol different from the first network protocol to exchange the data with the second device in accordance with the second network protocol, and a control unit interconverting the data in accordance with the first network protocol and the data in accordance with the second network protocol into each other so that the data is exchanged between the first device and the second device.

Abstract: The present invention relates to a gateway device, a network system and a data converting method using a plurality of network protocols different from each other. A gateway device includes a first communication controller connected to first device via a first bus in accordance with a first network protocol to exchange data with the first device in accordance with the first network protocol, a second communication controller connected to second device via a second bus in accordance with a second network protocol different from the first network protocol to exchange the data with the second device in accordance with the second network protocol, and a control unit interconverting the data in accordance with the first network protocol and the data in accordance with the second network protocol into each other so that the data is exchanged between the first device and the second device.

Abstract: The present invention relates to an in-vehicle networks system and a method of controlling the same. The in-vehicle network system includes a first actuator and second actuators; shared sensors outputting a sensing value according to a sensing result; a first sub ECU controlling the driving of the first actuator and outputting a first sub sensing value corresponding to the sensing value from the shared sensors; a second sub ECU controlling the driving of the first actuator and outputting a second sub sensing value corresponding to the sensing value from the shared sensors; and a main ECU communicating with the first sub ECU and the second sub ECU according to a TDMA-based communication protocol, and determining that any one of the first ECU and the second ECU is abnormal in case that a difference between the first sensing value and the second sensing value is out of an error tolerance.

Abstract: Disclosed is a vehicle management system using a wireless network system the system comprising, a WCDMA service unit having a specified ID and obtaining access to a network wirelessly, an ECU system associated with the WCDMA service module for controlling all kinds of interfaces in a vehicle, a service provider for providing various services when the WCDMA service module is connected to the wireless network, and a user having the services through non-wireless or wireless communication inside or outside of the vehicle.