Internet of vehicles CAN data collection method

Abstract

The invention discloses an internet of vehicles CAN data collection method and relates to the field of automobile CAN data collection. The method comprises the steps of firstly, generating a DBC file and a configuration file for collected vehicle body information according to collection items of the vehicle body information, and sending the configuration file to a vehicular terminal through a wireless network; secondly, collecting vehicle body information data on a bus by the vehicular terminal according to the configuration file, packaging the vehicle information data into a data packet according to a packaging protocol, and transmitting the data packet back to a server; and finally, analyzing the data packet according to the DBC file and obtaining the vehicle body information. According to the method, the terminal adaptability is high; the dependence on the terminal is low; the security of the data is improved; the method is characterized in obtaining the vehicle body information rapidly and efficiently; a manual filed operation is unnecessary; and the method is simple and efficient and is not liable to make a mistake. Moreover, under the condition that data definition is unknown by the configuration file, the configuration file and the data packet have secret keeping capabilities, and leakage is avoided.

Description

technical field [0001] The invention relates to the field of automobile CAN data acquisition, in particular to a vehicle networking CAN data acquisition method. Background technique [0002] Existing vehicle body information collection is mainly used in vehicle performance monitoring. During the use of the car, as the mileage increases, the reliability decreases, the economy becomes worse and the failure rate increases. This change process of the car is inevitable and conforms to the law of development, but if the detection is not timely, the car will have problems during driving. Therefore, in the prior art, the data in the CAN bus need to be collected to obtain vehicle body information in order to analyze the performance of the vehicle. [0003] The existing technology is to collect the body information on the CAN bus in the field of automobile performance analysis. The collected body information is fixed, and there is no need to change the configuration file repeatedly....

AI Technical Summary

Problems solved by technology

Vehicle body information has become diverse and volatile. The collection of vehicle body information should not only collect vehicle body information in a fixed and one-time manner, but should configure the collection files in real time and process the collected vehicle body data. However, the existing technology does not appear to be diversified. , Volatile vehicle body information collection scheme

[0005] To sum up, the existing technology has the following disadvantages: 1) There are many types of data collected in the configuration file. When the server requests body information, it needs to collect multiple types of body information at one time, which consumes transmission network bandwidth; 2) Fixed configuration files Collecting vehicle body information cannot flexibly change the collection items. In fact, with the development of the Internet of Vehicles, more items and changes will appear in the vehicle body information collection projects. The fixed configuration file collection method cannot meet the real needs of frequent changes; 3) Manual Storing configuration files is inconvenient to operate

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