Abstract: Disclosed is an ultra-wide band (UWB) radar device including a first antenna circuit including a first transmission circuit, a first reception circuit, a first oscillator that supplies a first clock signal to the first transmission circuit and the first reception circuit, and a first frequency counter, a second antenna circuit including a second transmission circuit, a second reception circuit, a second oscillator that supplies a second clock signal to the second transmission circuit and the second reception circuit, and a second frequency counter, and a controller that detects the target. The controller corrects a frequency error between the first clock signal and the second clock signal and compensates for a synchronization error between the first antenna circuit and the second antenna circuit.

Abstract: A semiconductor device and a power-off method of the semiconductor device, the semiconductor device including a first power source group including first and second power sources, a second power source group including a third power source and a power sequence controller. The power sequence controller performs power-on operations and power-off operations of the first to third power sources. The power sequence controller starts a power-off operation of the first power source group at a first time, and starts a power-off operation of the second power source group when the power voltage of the first power source group becomes a first voltage or when a first reference time has passed from the first time.

Abstract: Disclosed is a receiver of a radar device, which includes a sampling circuit that receives a reflected pulse signal having a first period reflected from a detection target and samples the reflected pulse signal as a first received signal in response to a clock signal having a second period equal to the first period, an integration circuit that, in response to the clock signal, generates an analog integration signal based on the first received signal and a control signal, a comparison circuit that, in response to the clock signal, adjusts a count value and the control signal based on a result of comparing the analog integration signal with a reference signal and outputs the control signal to the integration circuit, and an ADC circuit that converts the analog integration signal into a digital integration signal.

Abstract: Disclosed are a cobalt-tungsten alloy and a method of fabricating the same. More particularly, cobalt-tungsten alloy nanowires according to an embodiment are formed using an electroplating method, a grain structure of the cobalt-tungsten alloy nanowires is controlled according to the content of tungsten, and the electrical resistivity of the cobalt-tungsten alloy nanowires can be reduced through annealing.

Abstract: A communication system includes an information requesting device configured to generate a first communication packet including request information for each generated diagnostic trouble code when at least one diagnostic trouble code is generated and to output the generated first communication packet, and an information providing device configured to receive the first communication packet, extract each request information included in the received first communication packet, extract diagnosis information corresponding to each of the extracted request information, generate a second communication packet including answer information and at least one diagnosis information corresponding to each other to be distinguished from each other, and transmit the generated second communication packet to the information requesting device.

Abstract: Discussed is a battery management system, including at least one processor configured to obtain battery information including at least one of a temperature, a current or a voltage of a battery, generate a first diagnosis result corresponding to a current state of the battery based on the battery information, and perform a control measure based on the first diagnosis result and a diagnosis result generated based on the battery information by an external device.

Abstract: Discussed is a battery diagnosing system that may include a battery management system (BMS) configured to obtain battery information including at least one of a temperature, a current and a voltage of a battery, and generate a first diagnosis result corresponding to a current state of the battery based on the battery information; and a server configured to receive the battery information and the first diagnosis result from the BMS, generate a second diagnosis result corresponding to the current state of the battery and a third diagnosis result corresponding to a future state of the battery from the battery information based on a state estimation model, which is pre-trained, and determine the current state of the battery based on a plurality of diagnosis results of the first diagnosis result, the second diagnosis result and the third diagnosis result.

Abstract: An electrode composition for electrospraying is configured for obtaining an electrode having an average thickness of at most 1.0 ?m when dry, and includes a conductive metal powder having an average particle diameter of at most 150 nm, a ceramic powder, a binder resin, and a solvent. Accordingly, the electrode composition is suitable for obtaining, via electrospraying, an electrode pattern that has excellent thickness uniformity while also being an ultra-thin film. In addition, the obtained electrode has excellent electrical conductivity. Furthermore, the electrode composition is suitable for forming an electrode on a ceramic sheet such as a green sheet. When the formed electrode is co-sintered with a ceramic green sheet, the shape of the sintered body is maintained intact, and interlayer separation of the sintered body may be prevented. Moreover, an ultra-thin film electrode is obtained and widely used as an internal electrode for a highly laminated multilayer ceramic part.

Abstract: A battery control system includes a first battery module group, a second battery module group, a first switch connecting an end of the second battery module group to a first contactor or open the end of the second battery module group, a second switch connecting an end of the first battery module group to the end of the second battery module group or a second contactor, and a battery management system (BMS) connected to the first switch and the second switch. The BMS detects an event for battery structure conversion, controls the first switch and the second switch to connect the first battery module group and the second battery module group in series or in parallel, based on the detected event, and adjusts a threshold value for battery diagnosis based on whether the first battery module group and the second battery module group are connected in series or in parallel.

Abstract: Discussed is a battery diagnosing system that may include a battery management system (BMS) configured to obtain battery information including at least one of a temperature, a current and a voltage of a battery, and generate a first diagnosis result corresponding to a current state of the battery based on the battery information; and a server configured to receive the battery information and the first diagnosis result from the BMS, generate a second diagnosis result corresponding to the current state of the battery and a third diagnosis result corresponding to a future state of the battery from the battery information based on a state estimation model, which is pre-trained, and determine the current state of the battery based on a plurality of diagnosis results of the first diagnosis result, the second diagnosis result and the third diagnosis result.

Abstract: The present disclosure is directed to providing a battery diagnosing system and method, which updates a diagnosis table of a battery diagnosing apparatus by communication between a central server and the battery diagnosing apparatus, and stores battery state information and a diagnosis code as a backup. According to an aspect of the present disclosure, since the diagnosis table stored in the battery diagnosing apparatus may be updated to a latest state, the battery state may be diagnosed more accurately. In addition, according to an aspect of the present disclosure, since the central server determines whether the diagnosis code generated by the battery diagnosing apparatus is misdiagnosed, the battery state may be diagnosed more accurately and reliably.

Abstract: A communication system includes an information requesting device configured to generate a first communication packet including request information for each generated diagnostic trouble code when at least one diagnostic trouble code is generated and to output the generated first communication packet, and an information providing device configured to receive the first communication packet, extract each request information included in the received first communication packet, extract diagnosis information corresponding to each of the extracted request information, generate a second communication packet including answer information and at least one diagnosis information corresponding to each other to be distinguished from each other, and transmit the generated second communication packet to the information requesting device.

Abstract: A communication system and method that may reduce the communication load and reduce the waste of system resources consumed for communication. Since a communication packet is generated using a packet structure most suitable for the data size and communication is performed through the generated communication packet, there is an advantage in that the communication load on the communication bus may be significantly reduced. In addition, since the information requesting device allocates a buffer corresponding to the communication packet and stores the communication packet in the allocated buffer, there is an advantage in that the buffer of the information requesting device may be prevented from being wasted.

Abstract: The present disclosure is directed to providing a battery diagnosing system and method, which updates a diagnosis table of a battery diagnosing apparatus by communication between a central server and the battery diagnosing apparatus, and stores battery state information and a diagnosis code as a backup. According to an aspect of the present disclosure, since the diagnosis table stored in the battery diagnosing apparatus may be updated to a latest state, the battery state may be diagnosed more accurately. In addition, according to an aspect of the present disclosure, since the central server determines whether the diagnosis code generated by the battery diagnosing apparatus is misdiagnosed, the battery state may be diagnosed more accurately and reliably.

Abstract: The present disclosure is directed to providing a battery management apparatus and method, which may shorten a transmission time of a plurality of response information by flexibly selecting a communication channel. According to an aspect of the present disclosure, transmission efficiency for a plurality of response information may be improved because a communication channel may be flexibly selected according to a data amount of response information to be transmitted. In addition, according to an aspect of the present disclosure, there is an advantage that a communication channel may be flexibly selected according to a state of each of a plurality of communication channels as well as the data amount of response information.

Abstract: A method for processing a SOME/IP stream through interworking with Audio Video Bridging (AVB) in a server includes determining a transmission scheme for the SOME/IP stream through a SOME/IP service discovery procedure and generating an InitialEvent message and transmitting the generated InitialEvent message to a client according to the determined transmission scheme. If the determined transmission scheme is L2-Frame, the SOME/IP stream is transmitted through a layer 2 of AVB. Therefore, a SOME/IP stream, the QoS of which is guaranteed through interworking with AVB, may be provided.

Abstract: A method for providing time synchronization in a node connected to an Audio Video Bridging (AVB) Ethernet communication network includes steps of receiving static announcement messages from adjacent nodes and constituting a static grandmaster table, reselecting a grandmaster with reference to the static grandmaster table when a synchronization message timer expires, and updating the static grandmaster table according to reselection of the grandmaster. The method may rapidly time synchronization in the Audio Video Bridging (AVB) Ethernet communication network and minimize network load.

Abstract: A method for providing time synchronization in a node connected to an Audio Video Bridging (AVB) Ethernet communication network includes steps of receiving static announcement messages from adjacent nodes and constituting a static grandmaster table, reselecting a grandmaster with reference to the static grandmaster table when a synchronization message timer expires, and updating the static grandmaster table according to reselection of the grandmaster. The method may rapidly time synchronization in the Audio Video Bridging (AVB) Ethernet communication network and minimize network load.

Abstract: A method for processing a SOME/IP stream through interworking with Audio Video Bridging (AVB) in a server includes determining a transmission scheme for the SOME/IP stream through a SOME/IP service discovery procedure and generating an InitialEvent message and transmitting the generated InitialEvent message to a client according to the determined transmission scheme. If the determined transmission scheme is L2-Frame, the SOME/IP stream is transmitted through a layer 2 of AVB. Therefore, a SOME/IP stream, the QoS of which is guaranteed through interworking with AVB, may be provided.

Abstract: A method for providing a black box service for vehicle diagnosis and an apparatus and system therefor are disclosed herein. A method for providing a black box service for vehicle diagnosis in an in-vehicle apparatus connected to a network includes confirming whether or not a time synchronization message including a black box address is received, updating status information in the apparatus, when the time synchronization message is received as a result of confirmation, and transmitting a status information message including the updated status information to the black box address set as a destination address. Therefore, a more stable black box service for vehicle diagnosis is provided.