Bus network management method, system, vehicle and storage medium

A network management and bus network technology, applied in the fields of vehicles and computer-readable storage media, bus network management systems, and bus network management methods, can solve problems such as the coexistence of CAN nodes and CANFD nodes that cannot be realized in nodes, and achieve network compatibility. performance, avoid a large number of changes, reduce the effect of design cost

Active Publication Date: 2022-03-15
BYD CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The method can solve the problem that CAN nodes and CAN FD nodes coexist in nodes on a bus network that cannot be realized in the prior art

Method used

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  • Bus network management method, system, vehicle and storage medium
  • Bus network management method, system, vehicle and storage medium
  • Bus network management method, system, vehicle and storage medium

Examples

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Embodiment Construction

[0021] 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.

[0022] The bus network management method, the bus network management system, the vehicle and the computer-readable storage medium of the embodiments of the present application are described below with reference to the accompanying drawings.

[0023] figure 1 is a flowchart of a bus network management method according to an embodiment of the present application. It should be noted that the bus network management method of the embodiment of the present application can be applied to the bus network management system of the emb...

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Abstract

The application discloses a bus network management method, a bus network management system and a vehicle. Wherein the bus network includes a CAN node and a CAN FD node, the method includes: when it is determined that the CAN FD node has a CAN FD network communication requirement, the CAN FD node controls the CAN node to enter the sleep mode based on the mode of stopping sending network management messages, and controls the CAN FD node to enter CANFD communication status; when it is determined that the CANFD node has no CANFD network communication requirements and has CAN network communication requirements, the CANFD node starts to send network management messages; when the CAN node receives the network management messages sent by the CANFD node, it wakes up and enters CAN communication status. The method can solve the problem in the prior art that CAN nodes and CAN FD nodes coexist in nodes on a bus network.

Description

technical field [0001] The present application relates to the technical field of vehicle communication, and in particular to a bus network management method, a bus network management system, a vehicle and a computer-readable storage medium. Background technique [0002] At present, the traditional CAN (Controller Area Network, controller area network) network is upgraded to the CANFD (CAN with Flexible Data-Rate, CAN with flexible data rate) network. Due to the inconsistent frame format, CANFD nodes can normally send and receive traditional CAN reports. text and CAN FD messages, but traditional CAN nodes cannot send and receive CAN FD messages normally. This is because a traditional CAN node will report an error when receiving a CAN FD message. In the prior art, it is impossible to realize the coexistence of CAN nodes and CAN FD nodes in nodes on a bus network. Contents of the invention [0003] The purpose of this application is to solve one of the above-mentioned techni...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/40H04L12/12B60R16/023
CPCH04L12/12H04L12/40006B60R16/023H04L2012/40215H04L2012/40273Y02D30/50
Inventor 郑香维杨见星
Owner BYD CO LTD
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