CN-121984914-A - Vehicle data transmission method, vehicle and storage medium

CN121984914ACN 121984914 ACN121984914 ACN 121984914ACN-121984914-A

Abstract

The embodiment of the application provides a vehicle data transmission method, a vehicle and a storage medium, wherein the method comprises the steps of obtaining a target network signal and state sensing data of a target vehicle, wherein the target network signal is used for representing a network signal to be routed corresponding to the target vehicle, and the state sensing data is used for representing the network running state and external environment information of the target vehicle; the method comprises the steps of carrying out routing decision on a target network signal based on state sensing data to obtain a routing decision result, wherein the routing decision result is used for determining a target transmission path and an alternative transmission path corresponding to the target network signal, generating a target distributed routing table by utilizing the routing decision result, the target distributed routing table is used for guiding the target network signal to carry out data transmission in a vehicle-mounted communication network of a target vehicle, and transmitting the target network signal based on the target distributed routing table. The application solves the technical problems of low communication efficiency, poor routing flexibility and reliability caused by static routing strategies in the related technology.

Inventors

ZHAO JIAJIA
LIU CHUANCHAO
WANG LE
WANG ZHONGLIN
LI JIANCAI

Assignees

奇瑞汽车股份有限公司

Dates

Publication Date: 20260505
Application Date: 20260116

Claims (10)

1. A vehicle data transmission method, characterized by comprising: Acquiring a target network signal and state sensing data of a target vehicle, wherein the target network signal is used for representing a network signal to be routed corresponding to the target vehicle, and the state sensing data is used for representing a network running state and external environment information of the target vehicle; Performing routing decision on the target network signal based on the state sensing data to obtain a routing decision result, wherein the routing decision result is used for determining a target transmission path and an alternative transmission path corresponding to the target network signal; Generating a target distributed routing table by using the routing decision result, wherein the target distributed routing table is used for guiding the target network signal to perform data transmission in a vehicle-mounted communication network of the target vehicle; And transmitting the target network signal based on the target distributed routing table.
2. The method of claim 1, wherein making a routing decision for the target network signal based on the state-aware data, the routing decision result comprising: labeling the target network signal to obtain a signal labeling result, wherein the signal labeling result is used for determining the signal transmission requirement corresponding to the target network signal; And carrying out route decision on the signal labeling result and the state sensing data by using a preset route strategy engine to obtain the route decision result.
3. The method of claim 2, wherein labeling the target network signal to obtain the signal labeling result comprises: analyzing the target network signal to obtain a signal analysis result, wherein the signal analysis result is used for representing signal attribute information associated with the target network signal; performing format conversion processing on the signal analysis result to obtain a format conversion result, wherein the format conversion result is used for representing standard format data corresponding to the signal analysis result; Performing verification processing on the format conversion result to obtain a data verification result, wherein the data verification result is used for determining that the target network signal is in an effective state; and carrying out priority labeling processing based on the data verification result to obtain the signal labeling result.
4. The method of claim 2, wherein performing a routing decision on the signal labeling result and the state-aware data using a preset routing policy engine, the obtaining the routing decision result comprises: acquiring a candidate routing strategy library based on the preset routing strategy engine, wherein the candidate routing strategy library is used for storing a plurality of candidate routing modes and routing condition data corresponding to the plurality of candidate routing modes; determining a target routing mode corresponding to the target network signal from the candidate routing strategy library according to the signal labeling result and the state sensing data; And carrying out path calculation by using the target routing mode to obtain the routing decision result.
5. The method according to claim 4, wherein the method further comprises: Weighting a plurality of preset cost parameters in the target routing mode by using preset weight coefficients to obtain path cost data of the target network signal, wherein the preset weight coefficients are determined according to the signal type of the target network signal; And updating the routing decision result in response to the path cost data meeting a preset constraint condition to obtain an updated routing decision result, wherein the preset constraint condition is used for determining that the path cost data is smaller than a preset cost threshold value, and the path cost data meets a quality of service constraint condition.
6. The method according to claim 1, wherein the method further comprises: Acquiring real-time transmission state data of the target network signal; Determining that signal transmission interruption exists in the vehicle-mounted communication network based on the real-time transmission state data, and acquiring fault detection information, wherein the fault detection information comprises fault code information, gateway identification information and fault time stamp information of a fault transmission path; Performing path recalculation by using the fault detection information to obtain a path recalculation result; and updating the target distributed routing table according to the path recalculation result.
7. The method of claim 6, wherein the method further comprises: Generating a route switching instruction based on the route recalculation result, wherein the route switching instruction comprises next hop gateway address information, route label information and port configuration information corresponding to the updated transmission route; and controlling a target network signal to be switched to the updating transmission path for transmission from the fault transmission path according to the route switching instruction.
8. The method according to claim 1, wherein the method further comprises: determining a target routing node in the vehicle-mounted communication network based on the target distributed routing table, wherein the target routing node comprises a regional gateway and an electronic control unit which are related to the target network signal; and sending the target distributed routing table to the target routing node.
9. A vehicle, characterized by comprising: a memory storing an executable program; A processor for executing the program, wherein the program when run performs the method of any one of claims 1 to 8.
10. A computer readable storage medium, characterized in that the computer readable storage medium comprises a stored executable program, wherein the executable program when run controls a device in which the storage medium is located to perform the method of any one of claims 1 to 8.

Description

Vehicle data transmission method, vehicle and storage medium Technical Field The embodiment of the application relates to the technical field of vehicles, in particular to a vehicle data transmission method, a vehicle and a storage medium. Background In an increasingly intelligent automobile environment, an electronic control unit plays a vital role with an on-board network, and along with continuous integration of functions of an advanced driving assistance system, an information entertainment system and the like, the efficiency and reliability of whole automobile signal transmission become key for improving the performance and user experience of a vehicle. Conventional static routing strategies, while simplifying network planning at the beginning of the design, are faced with complex and varying vehicle operating conditions and communication requirements, with fixed signal paths exposing progressively limitations. Under the static routing strategy, the transmission path of the signal is determined in the vehicle design stage, and the communication is performed depending on a preset routing table. However, the static routing strategy in the related art is difficult to adapt to the signal transmission requirement change of the vehicle in different driving modes, particularly when functions are activated or external environments are influenced, communication bottlenecks or network congestion cannot be avoided, and on the other hand, a single fault point under the static routing strategy may cause system-level communication faults, such as that once a central gateway fails, signal interaction among electronic control units is seriously influenced, and the robustness of a communication network is reduced, so that the communication efficiency of a vehicle-mounted network is low, and the flexibility and reliability are poor. There is currently no good solution to the above problems. Disclosure of Invention The embodiment of the application provides a vehicle data transmission method, a vehicle and a storage medium, which are used for at least solving the technical problems of low communication efficiency, poor routing flexibility and poor reliability caused by a static routing strategy in the related technology. According to one aspect of the embodiment of the application, a vehicle data transmission method is provided, which comprises the steps of obtaining a target network signal and state sensing data of a target vehicle, wherein the target network signal is used for representing a network signal to be routed corresponding to the target vehicle, the state sensing data is used for representing network operation state and external environment information of the target vehicle, carrying out routing decision on the target network signal based on the state sensing data to obtain a routing decision result, wherein the routing decision result is used for determining a target transmission path and an alternative transmission path corresponding to the target network signal, generating a target distributed routing table by utilizing the routing decision result, wherein the target distributed routing table is used for guiding the target network signal to carry out data transmission in a vehicle-mounted communication network of the target vehicle, and transmitting the target network signal based on the target distributed routing table. Optionally, performing routing decision on the target network signal based on the state sensing data to obtain a routing decision result, wherein the obtaining of the routing decision result comprises the steps of performing labeling processing on the target network signal to obtain a signal labeling result, wherein the signal labeling result is used for determining a signal transmission requirement corresponding to the target network signal, and performing routing decision on the signal labeling result and the state sensing data by using a preset routing policy engine to obtain the routing decision result. The method comprises the steps of carrying out labeling processing on a target network signal to obtain a signal labeling result, wherein the signal labeling result comprises the steps of carrying out analysis processing on the target network signal to obtain a signal analysis result, carrying out format conversion processing on the signal analysis result to obtain a format conversion result, wherein the format conversion result is used for representing standard format data corresponding to the signal analysis result, carrying out verification processing on the format conversion result to obtain a data verification result, wherein the data verification result is used for determining that the target network signal is in a valid state, and carrying out priority labeling processing based on the data verification result to obtain the signal labeling result. Optionally, the routing decision is performed on the signal labeling result and the state sensing data by using a preset routing policy