Abstract: A method for vehicle diagnostics, a diagnostic device, and a non-transitory computer-readable storage medium are provided in the present disclosure. In the method, the diagnostic device obtains a diagnostic request including vehicle information of a vehicle to-be-diagnosed, and determine a communication protocol which is applied in the vehicle to-be-diagnosed according to the vehicle information. After obtaining a diagnostic instruction including a diagnostic function instruction and a communication protocol corresponding to the diagnostic function instruction, the diagnostic device determines a communication link corresponding to the diagnostic function instruction according to the communication protocol corresponding to the diagnostic function instruction, sends the diagnostic function instruction to the vehicle to-be-diagnosed through the communication link corresponding to the diagnostic function instruction, obtains feedback data from the vehicle to-be-diagnosed, and performs diagnostics.

Abstract: The disclosure provides a data communication method and apparatus, an electronic device, and a storage medium. The method includes: receiving controller area network (CAN) bus data transmitted by a first device; executing a first flow-control based transmission between the first connector and the first device to obtain respective consecutive frame data in multi-packet data from the first device, upon detecting that the CAN bus data is first frame data in the multi-packet data; and transmitting the first frame data and the respective consecutive frame data to a second connector to indicate that the second connector transmits the multi-packet data to a second device through a second flow-control based transmission, when or after executing the first flow-control based transmission between the first connector and the first device.

Abstract: A method for data analysis, an electronic device, and a computer readable storage medium are provided. The method includes the following. A trip order is obtained. A smart contract is generated based on the trip order. Trip data uploaded by an on-board equipment is obtained. The smart contract is triggered based on the trip data and the trip order. Early-warning which corresponds to the smart contract is performed.

Abstract: A method for vehicle diagnostics, a diagnostic device, and a non-transitory computer-readable storage medium are provided in the present disclosure. In the method, the diagnostic device obtains a diagnostic request including vehicle information of a vehicle to-be-diagnosed, and determine a communication protocol which is applied in the vehicle to-be-diagnosed according to the vehicle information. After obtaining a diagnostic instruction including a diagnostic function instruction and a communication protocol corresponding to the diagnostic function instruction, the diagnostic device determines a communication link corresponding to the diagnostic function instruction according to the communication protocol corresponding to the diagnostic function instruction, sends the diagnostic function instruction to the vehicle to-be-diagnosed through the communication link corresponding to the diagnostic function instruction, obtains feedback data from the vehicle to-be-diagnosed, and performs diagnostics.

Abstract: The disclosure provides a data communication method and apparatus, an electronic device, and a storage medium. The method includes: receiving controller area network (CAN) bus data transmitted by a first device; executing a first flow-control based transmission between the first connector and the first device to obtain respective consecutive frame data in multi-packet data from the first device, upon detecting that the CAN bus data is first frame data in the multi-packet data; and transmitting the first frame data and the respective consecutive frame data to a second connector to indicate that the second connector transmits the multi-packet data to a second device through a second flow-control based transmission, when or after executing the first flow-control based transmission between the first connector and the first device.

Abstract: A method and system for remote vehicle diagnostics are provided. The method is applicable to a remote vehicle diagnostic system including a vehicle diagnostic terminal and a vehicle connector. A remote communication connection between the vehicle diagnostic terminal and the vehicle connector is established via a preset programming interface. The vehicle diagnostic terminal receives diagnostic instruction data of a diagnostic application. The vehicle diagnostic terminal transmits the diagnostic instruction data to the vehicle connector via the preset programming interface by way of the remote communication. The vehicle connector converts the diagnostic instruction data into first data in a first data format, and performs a diagnostic operation corresponding to the first data, where the first data format is readable by a vehicle.

Abstract: The present disclosure discloses a method and a device for information processing. The method includes the following. A block chain node receives a digital asset processing request, where the digital asset processing request is used for requesting authority to process the digital assets. Upon receiving the digital asset processing request, the block chain node sends an authorization request to each of M electronic devices, where the authorization request is used for requesting authorization to process the digital assets. The block chain node determines that each of at least N electronic devices of the M electronic devices provides the authorization to process the digital assets, where M is greater than or equal to N. The block chain node determines to obtain the authority to process the digital assets.

Abstract: A method for performing vehicle remote diagnosis is provided. A diagnostic device sends a first controller area network (CAN) bus message to a device connector. The device connector encapsulates the first CAN bus message received into a first data packet and sends the first data packet to a vehicle connector through remote communication. The vehicle connector decapsulates the first data packet into the first CAN bus message and sends the first CAN bus message to a target vehicle. The vehicle connector receives second CAN bus messages and filters the second CAN bus messages to obtain a CAN bus diagnostic message, and the second CAN bus messages are sent by the target vehicle in response to the first CAN bus message. The vehicle connector encapsulates the CAN bus diagnostic message into a second data packet and sends the second data packet to the device connector.

Abstract: The present application discloses a maintenance plant management method, maintenance plant management system and data management server, this method comprises: receiving, via a data management server, a transaction request of using a maintenance plant from a first user and calling a usage smart contract to grant a permission of usage of the maintenance plant to the first user according to the transaction request; calling the usage smart contract to send a transaction payment request to the first user according to transaction information when the first user finishes using the maintenance plant; performing a sharing according to the transaction sharing rule via the data management server when the payment transaction is finished by the first user; and receiving the transaction information submitted by the data management server and registering the transaction information in a block chain via the block chain node device.

Abstract: The present application discloses a maintenance equipment management method, maintenance equipment management system and data management server, this method comprises: receiving, via a data management server, a transaction request of using a maintenance equipment from a first user and calling a usage smart contract to grant a permission of usage of the maintenance equipment to the first user according to the transaction request; calling the usage smart contract to send a transaction payment request to the first user according to transaction information when the first user finishes using the maintenance equipment; performing a sharing according to the transaction sharing rule via the data management server when the payment transaction is finished by the first user; and receiving the transaction information submitted by the data management server and registering the transaction information in a block chain via the block chain node device.

Abstract: The present disclosure pertains to the technical field of shared device, and particularly to a device management method, a device management server and a computer readable storage medium, including: receiving and recording first link state information of a device uploaded by a sensing terminal at a first time; receiving and recording second link state information of the device uploaded by the sensing terminal at a second time; comparing the first device link state information with the second device link state information and determining information of a target device which is abnormal in link state; and acquiring a usage state of the target device and marking the information of the target device according to the usage state.

Abstract: A device connector receives a TCP data packet of a diagnostic device in a data TCP communication manner, encapsulates the TCP data packet into a first data packet, and transmits the first data packet to the vehicle connector through remote communication. A vehicle connector converts the first data packet into a TCP diagnostics instruction data packet and transmits the TCP diagnostics instruction data packet to a vehicle. The vehicle connector receives, based on TCP communication, a TCP diagnostics response data packet, encapsulates the TCP diagnostics response data packet into a second data packet, and transmits the second data packet to the device connector through the remote communication. The device connector converts the second data packet into the TCP diagnostics response data packet and transmits the TCP diagnostics response data packet to a diagnostic device. The diagnostic device obtains a diagnostics result and presents the diagnostics result to a user.

Abstract: The present application provides a communication method for vehicle remote diagnosis, which is applied to a WEB server; the method comprises: establishing a first socket connection with the WEB front end when receiving a landing request of the WEB front end; receiving a vehicle remote diagnosis request of the WEB front end through the first socket connection and obtaining an identification of a target vehicle diagnosis equipment carried in the vehicle remote diagnosis request; establishing a second socket connection with the target vehicle diagnosis equipment according to the identification of the target vehicle diagnosis equipment; performing interaction of the vehicle diagnosis data between the WEB front end and the target vehicle diagnosis equipment through the first socket connection and the second socket connection. The application also provides a communication device and system for vehicle remote diagnosis. The application can improve the real-time capability and convenience of vehicle remote diagnosis.

Abstract: An intelligent tire pressure monitoring system and method are provided in present disclosure. The system includes a CAN bus module, a diagnosing module, a processor, a 3G module, a GPS module and a server. The CAN bus module and the diagnosing module detect rotational speed of each tire and steering angle of steering wheel, and send a detecting result data the processor. The GPS module obtains position information of the automobile, and sends it to the processor. The processor calculates and processes the detecting result data and the position information of the automobile, and uploads them to the server through the 3G module. The server calculates a pressuring value of each tire according to the detecting result data, the position information of the automobile, weather conditions of continuous several days, and condition of road traveled by the automobile, and do appropriate treatment.

Abstract: The present invention is applicable to the field of vehicle, and provides a method and apparatus and system for generating vehicle guiding information. The method for generating vehicle guiding information comprises: receiving operating information of a vehicle, position information of a vehicle and road condition information which are sent from a vehicle client-side; generating driving behavior guiding information according to the operating information of the vehicle, the position information of the vehicle and the road condition information; transmitting the driving behavior guiding information to the vehicle client-side designated by the driver of the vehicle.

Abstract: The objective of the present application is to provide a method and apparatus for processing real-time vehicle operating data, aiming at solving the technical problem that car owners couldn't obtain real-time vehicle operating data to ensure safety via an existing vehicle-mounted system. The method comprises: obtaining real-time vehicle operating data from an electronic control unit of the vehicle via a vehicle bus; reading the real-time vehicle operating data from a serial port; determining whether there is data that needs to be answered in the real-time vehicle operating data and storing the real-time vehicle operating data into a data queue whose data need to be answered and a data queue whose data doesn't need to be answered respectively after the determination; transmitting the real-time vehicle operating data to a background server, so that the background server can provide current vehicle with diagnostic message or service information.

Abstract: A method and device for monitoring real-time road condition is disclosed in the present invention, wherein, the method for monitoring real-time road condition comprises: obtaining the vehicle movement record information of the vehicle returned from the vehicle-mounted terminal; confirming and recording the current road condition information of the vehicle according to the vehicle movement record information, wherein, the current vehicle movement record information includes the road section where the vehicle is located, the current moving direction and the moving speed of the vehicle; judging whether N road conditions of other vehicles satisfied for judging conditions are recorded if the current moving speed of the vehicle is less than the predetermined speed threshold value, wherein, N is more than or equal to one, if N road conditions of other vehicles satisfied for judging conditions are recorded, judging that the road section where the vehicle is located is in a congested status.