CN-122027644-A - Data transmission method, device, vehicle, apparatus, storage medium, and program product

CN122027644ACN 122027644 ACN122027644 ACN 122027644ACN-122027644-A

Abstract

The embodiment of the application provides a data transmission method, a device, a vehicle, equipment, a storage medium and a program product, which are used for receiving sampling original data acquired by a sensor unit, namely, the sampling original data acquired by the sensor unit is transmitted to an ADAS central computing platform in a lossless manner, so that cross-domain data transmission is not needed, a data transmission link is shortened, and scene perception delay is reduced.

Inventors

ZHANG KAIXUAN
ZENG ZHIHUI
ZHANG JIAN
HUANG CHEN
YANG YUN

Assignees

比亚迪股份有限公司
比亚迪半导体股份有限公司

Dates

Publication Date: 20260512
Application Date: 20260105
Priority Date: 20251016

Claims (15)

1. A data transmission method, comprising: and receiving sampling original data acquired by the sensor unit, wherein the sampling original data is used for assisting driving and/or vehicle-mounted display.
2. The method according to claim 1, wherein the method further comprises: And storing the sampling original data into a shared memory of an ADAS central computing platform, wherein the sampling original data in the shared memory is used for assisting driving and/or vehicle-mounted display.
3. The method of claim 2, wherein storing the sampled raw data in a shared memory of an ADAS central computing platform comprises: Preprocessing the sampling original data acquired by the sensor unit, and storing the preprocessed sampling original data into a shared memory of an ADAS central computing platform; Generating structured environment sensing data according to the preprocessed sampling original data stored in the shared memory, and storing the structured environment sensing data into the shared memory; the preprocessed sampling original data and/or the structured environment perception data stored in the shared memory are used for assisting driving and/or vehicle-mounted display.
4. The method of claim 3, wherein generating structured context aware data from the preprocessed sampled raw data stored in the shared memory comprises: Performing target identification and multi-mode fusion on the preprocessed sampling original data stored in the shared memory to obtain a fusion result; And generating structured environment sensing data according to the fusion result.
5. The method according to claim 4, wherein the method further comprises: Acquiring the structured environment sensing data and/or the preprocessed sampling original data from the shared memory, and performing auxiliary driving operation processing; and/or acquiring the structured environment sensing data and the preprocessed sampling original data from the shared memory, and performing vehicle-mounted display operation processing; and/or, the method further comprises: storing the video image data after the vehicle-mounted display operation processing in a vehicle recorder; and/or, the method further comprises: sending a control instruction to the sensor unit; the control instruction is used for controlling sampling original data of at least two sensors in the sensor unit to be transmitted in a time division multiplexing mode through at least two virtual channels in one physical channel; And/or the control instruction is used for controlling at least part of the sensors in the sensor unit to transmit the sampling original data through the same data format.
6. The data transmission device is characterized by comprising an ADAS central computing platform and a sensor unit, wherein the ADAS central computing platform is in communication connection with the sensor unit; The sensor unit is used for transmitting the acquired sampling original data to the ADAS central computing platform; And the ADAS central computing platform is used for carrying out auxiliary driving and/or vehicle-mounted display based on the sampling original data.
7. The data transmission device of claim 6, wherein the ADAS central computing platform comprises a shared memory; The ADAS central computing platform is used for preprocessing the sampling original data and storing the preprocessed sampling original data into the shared memory; Generating structured environment sensing data according to the preprocessed sampling original data stored in the shared memory, and storing the structured environment sensing data into the shared memory; the preprocessed sampling original data and/or the structured environment perception data stored in the shared memory are used for assisting driving and/or vehicle-mounted display.
8. The apparatus of claim 6 or 7, wherein the ADAS central computing platform and the sensor unit are each provided with a high-speed point-to-point communication interface; The sensor unit transmits the sampled raw data to a high-speed point-to-point communication interface of the ADAS central computing platform through the high-speed point-to-point communication interface of the sensor unit; And/or the ADAS central computing platform comprises at least one of an image signal processing unit, a neural network processing unit, an auxiliary driving unit and a vehicle-mounted display unit; The image signal processing unit is in communication connection with the sensor unit and is used for preprocessing the sampled original data and storing the preprocessed sampled original data into the shared memory; The neural network processing unit is used for acquiring the preprocessed sampling original data from the shared memory, carrying out target recognition and multi-mode fusion on the preprocessed sampling original data, outputting a fusion result, and outputting structured environment perception data to the shared memory according to the fusion result; the auxiliary driving unit is used for acquiring the structured environment sensing data and/or the preprocessed sampling original data from the shared memory and performing auxiliary driving operation processing; the vehicle-mounted display unit is used for acquiring the structured environment sensing data and the preprocessed sampling original data from the shared memory and performing vehicle-mounted display operation processing; And/or the sensor unit comprises at least one of a vision sensor module, a millimeter wave radar module, a laser radar module and an ultrasonic radar module; And/or the device further comprises at least one of a perception display module, an accessory subsystem and a domain controller; the perception display module, the auxiliary subsystem and the domain controller are all in communication connection with the ADAS central computing platform; the sensing display module is used for receiving video picture data transmitted by the ADAS central computing platform and displaying corresponding video pictures; the auxiliary subsystem is used for transmitting basic environment parameters and vehicle state data to the ADAS central computing platform; the domain controller is used for controlling corresponding vehicle components.
9. The apparatus of claim 8, wherein the device comprises a plurality of sensors, The vision sensor module comprises at least one of a left electronic rearview mirror system, a right electronic rearview mirror system, a round-the-clock camera system, an in-cabin vision sensing system, a front-view camera, a rear-view camera, a side-view camera and a far-near infrared camera; And/or the millimeter wave radar module comprises at least one of a 4D forward radar and a corner radar; And/or the laser radar module comprises at least one of a main laser radar and a blind-complement laser radar; And/or the ultrasonic radar module comprises at least one of an automatic parking auxiliary sensor and an ultrasonic parking auxiliary sensor; And/or the perception display module comprises at least one of a driver information display unit, a central information display unit and an electronic rearview mirror display unit; and/or the auxiliary subsystem comprises at least one of a temperature sensor, an inertial navigation system, a speed sensor and a global navigation satellite system; And/or the domain controller comprises at least one of a whole vehicle central domain controller and an area controller.
10. The apparatus of claim 8, further comprising a high-speed data link connecting the ADAS central computing platform with at least one of the vision sensor module, the millimeter wave radar module, and the lidar module; And/or the apparatus further comprises a low-speed data link connecting the ADAS central computing platform with at least one of the ultrasonic radar module and the accessory subsystem; And/or the device further comprises a data output link, wherein the data output link is connected with the ADAS central computing platform and the perception display module; And/or the apparatus further comprises an inter-domain data link connecting at least one of the ADAS central computing platforms.
11. The apparatus of claim 10, wherein the high-speed data link comprises a plurality of serializer-deserializer modules comprising a first serializer and a first deserializer, the first serializer being communicatively coupled to a sensor, the first deserializer being communicatively coupled to the ADAS central computing platform; The first serializer in the deserializing module is used for receiving the sampled original data and the state information of at least one sensor and sending the sampled original data and the state information to the first deserializer, and the first deserializing module is used for separating the sampled original data and the state information and sending the sampled original data and the state information to the ADAS central computing platform; the low-speed data link comprises a master control transceiver and at least one bus, wherein the bus is in communication connection with the sensor, and the master control transceiver is in communication connection with the ADAS central computing platform; The bus is used for receiving sampled raw data of at least one sensor and sending the sampled raw data to the master control transceiver, and the master control transceiver is used for sending the sampled raw data to the ADAS central computing platform; The master control transceiver is also used for receiving the control instruction sent by the ADAS central computing platform and sending the control instruction to the bus; The data output link comprises a second serializer and a second deserializer, wherein the second serializer is in communication connection with the ADAS central computing platform, and the second deserializer is in communication connection with the perception display module; The second serializer is used for receiving the image data processed by the ADAS central computing platform, sending the image data to the second deserializer, and separating the image data into image output and control instructions and sending the image output and control instructions to the perception display module.
12. A vehicle comprising a data transmission device according to any one of claims 6 to 11.
13. An electronic device is characterized by comprising a memory and a processor; The memory stores computer-executable instructions; the processor executing computer-executable instructions stored in the memory, causing the processor to perform the method of any one of claims 1-5.
14. A computer readable storage medium having stored therein computer executable instructions which when executed by a processor are adapted to carry out the method of any one of claims 1-5.
15. A computer program product comprising a computer program which, when executed by a processor, implements the method of any of claims 1-5.

Description

Data transmission method, device, vehicle, apparatus, storage medium, and program product The present application claims priority from chinese patent office, application number 202511485169.5, application name "data transmission method, apparatus, vehicle, device, storage medium and program product" filed on day 10 and 16 of 2025, the entire contents of which are incorporated herein by reference. Technical Field The present application relates to the field of vehicles, and in particular, to a data transmission method, apparatus, vehicle, device, storage medium, and program product. Background In the conventional distributed architecture, each ECU (Electronic Control Unit ) needs to be connected to other ECUs through an independent wire harness, and there are problems of complex wire harness and low communication efficiency, and it is difficult to support high-level intelligent auxiliary driving, so that the EEA (Electrical/Electronic Architecture, electronic electric architecture) of the automobile gradually develops from the conventional distributed architecture to a centralized domain controller architecture such as an intelligent driving domain controller, an intelligent cabin domain controller and a vehicle body domain controller. In an electronic and electrical architecture where an intelligent driving domain controller and an intelligent cabin domain controller are separated, multi-source sensor data including but not limited to an AVM (Around View Monitoring, look-around camera system) are transmitted from a camera to the intelligent driving domain controller, processed by an ISP (IMAGE SIGNAL Processor) unit, transmitted to the intelligent cabin domain controller, and uploaded to a vehicle-mounted display screen, so that the problem of overlong data transmission chain exists. Disclosure of Invention Embodiments of the present application provide a data transmission method, apparatus, vehicle, device, storage medium, and program product for shortening a data transmission link. In a first aspect, an embodiment of the present application provides a data transmission method, including: and receiving sampling original data acquired by the sensor unit, wherein the sampling original data is used for assisting driving and/or vehicle-mounted display. Optionally, the method further comprises: And storing the sampling original data into a shared memory of an ADAS central computing platform, wherein the sampling original data in the shared memory is used for assisting driving and/or vehicle-mounted display. Optionally, the storing the sampled raw data in the shared memory of the ADAS central computing platform includes: Preprocessing the sampling original data acquired by the sensor unit, and storing the preprocessed sampling original data into a shared memory of an ADAS central computing platform; Generating structured environment sensing data according to the preprocessed sampling original data stored in the shared memory, and storing the structured environment sensing data into the shared memory; the preprocessed sampling original data and/or the structured environment perception data stored in the shared memory are used for assisting driving and/or vehicle-mounted display. Optionally, the generating the structured environmental awareness data according to the preprocessed sampled raw data stored in the shared memory includes: Performing target identification and multi-mode fusion on the preprocessed sampling original data stored in the shared memory to obtain a fusion result; And generating structured environment sensing data according to the fusion result. Optionally, the method further comprises: Acquiring the structured environment sensing data and/or the preprocessed sampling original data from the shared memory, and performing auxiliary driving operation processing; and/or acquiring the structured environment sensing data and the preprocessed sampling original data from the shared memory, and performing vehicle-mounted display operation processing; and/or, the method further comprises: And storing the video image data after the vehicle-mounted display operation processing in a vehicle recorder. Optionally, the method further comprises: sending a control instruction to the sensor unit; the control instruction is used for controlling sampling original data of at least two sensors in the sensor unit to be transmitted in a time division multiplexing mode through at least two virtual channels in one physical channel; And/or the control instruction is used for controlling at least part of the sensors in the sensor unit to transmit the sampling original data through the same data format. In a second aspect, the present application provides a data transmission apparatus comprising: The ADAS central computing platform is in communication connection with the sensor unit; The sensor unit is used for transmitting the acquired sampling original data to the ADAS central computing platform; And the ADAS central compu