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Vehicle network communication method and device

A technology of vehicle network and communication method, which is applied in the direction of bus network, data exchange network, data exchange through path configuration, etc., which can solve problems affecting driving safety and normal communication of ECU, and achieve the effect of improving safety

Active Publication Date: 2021-07-27
APOLLO INTELLIGENT CONNECTIVITY (BEIJING) TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

After any ECU on the CAN bus is attacked, it can affect the normal communication between ECUs, and even make other ECUs perform some unsafe actions, affecting driving safety

Method used

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  • Vehicle network communication method and device
  • Vehicle network communication method and device
  • Vehicle network communication method and device

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Embodiment Construction

[0032] Embodiments of the present application are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary, and are intended to explain the present application, and should not be construed as limiting the present application.

[0033] The following describes the vehicle network communication method and device according to the embodiments of the present application with reference to the accompanying drawings.

[0034] Specifically, ordinary CAN transceivers only have transceiver functions and have no security functions, such as figure 1 As shown, any communication command issued by the electronic control unit can be sent to the CAN network through the ordinary CAN transceiver, and there is no limit to the frequency of sending the communication comma...

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PUM

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Abstract

The present application proposes a vehicle network communication method and device, wherein the method includes: obtaining the first communication instruction sent by the first electronic control unit in the vehicle network, and according to the preset sending instruction set corresponding to the first electronic control unit Verify the legitimacy of the first communication command; if it is known that the first communication command is legal, then obtain the current sending frequency of the first communication command, and set the preset first sending frequency corresponding to the first electronic control unit and the first communication command Comparing with the current sending frequency; if it is known that the current sending frequency is lower than the first sending frequency, then sending the first communication instruction to the target object in the vehicle network. Therefore, by setting the sending command set to verify the legitimacy of the communication command and controlling the frequency of sending the communication command, the security of the vehicle network communication is improved.

Description

technical field [0001] The present application relates to the technical field of vehicle communication, in particular to a vehicle network communication method and device. Background technique [0002] With the continuous development of informatization, current vehicles generally have dozens of electronic control units (Electronic Control Unit, ECU for short), and the communication between electronic control units is realized through the Controller Area Network (CAN for short) in the vehicle. . [0003] Among them, the controller area network is characterized by simple data frame structure, easy to monitor and analyze, any ECU connected to the controller area network can receive all data on the controller area network, and can also send any data to the controller The local area network, and the receiver cannot determine which ECU sent the data. After any ECU on the CAN bus is attacked, it can affect the normal communication between ECUs, and even make other ECUs perform so...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/40H04L29/06H04L29/08
CPCH04L63/12H04L2012/40273H04L2012/40215H04L12/40006
Inventor 乔旭李显杰
Owner APOLLO INTELLIGENT CONNECTIVITY (BEIJING) TECH CO LTD