WO2024022277A1 - Procédé et appareil de téléchargement de données de mise à jour de carte, dispositif et support lisible - Google Patents

Procédé et appareil de téléchargement de données de mise à jour de carte, dispositif et support lisible Download PDF

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Publication number
WO2024022277A1
WO2024022277A1 PCT/CN2023/108834 CN2023108834W WO2024022277A1 WO 2024022277 A1 WO2024022277 A1 WO 2024022277A1 CN 2023108834 W CN2023108834 W CN 2023108834W WO 2024022277 A1 WO2024022277 A1 WO 2024022277A1
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WIPO (PCT)
Prior art keywords
map
target vehicle
target
download
data
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PCT/CN2023/108834
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English (en)
Chinese (zh)
Inventor
陈丹丹
孙连明
崔茂源
宋林桓
谭明伟
王超
王丽丽
杜建宇
Original Assignee
中国第一汽车股份有限公司
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Publication of WO2024022277A1 publication Critical patent/WO2024022277A1/fr

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
    • G06F16/23—Updating
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/20—Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
    • G06F16/29—Geographical information databases
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F8/00—Arrangements for software engineering
    • G06F8/60—Software deployment
    • G06F8/65—Updates
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F8/00—Arrangements for software engineering
    • G06F8/70—Software maintenance or management
    • G06F8/71—Version control; Configuration management

Definitions

  • This application relates to the field of intelligent driving technology, such as map update data downloading methods, devices, equipment and readable media.
  • Smart cars are equipped with higher-performance processors, combined with various on-board sensors and various network interaction devices, providing a hardware foundation for realizing more intelligent driving functions.
  • automatic parking in parking lots is a more practical one Intelligent driving functions.
  • Automatic parking in the parking lot relies on the provision of high-precision map data in the parking lot.
  • the high-precision map data needs to be updated in time when the parking lot map changes to ensure correct route and parking space planning.
  • the car terminal asks the backend server whether there is an update to the map data. If there is an update, the user is prompted to download the latest map update data.
  • This method of downloading map update data is more cumbersome and requires more operating steps and complex interactions, which affects usage efficiency.
  • This application provides a method, device, equipment and readable medium for downloading map update data to solve the problem of slow map update efficiency.
  • a method for downloading map update data including:
  • Update data corresponding to the target vehicle where the update data includes at least one download item that is downloaded in sequence
  • the target vehicle is verified according to the vehicle information, and the update data is downloaded to the target vehicle when the verification result is passed.
  • a device for downloading map update data including:
  • An update request receiving unit configured to receive a map update request from the target vehicle, wherein the update request includes vehicle information of the target vehicle;
  • An update data determination unit configured to determine update data corresponding to the target vehicle, where the update data includes at least one download item that is downloaded in sequence;
  • An update data processing unit is configured to verify the target vehicle according to the vehicle information, and download the update data to the target vehicle when the verification result is passed.
  • an electronic device including:
  • the memory stores a computer program that can be executed by the at least one processor, and the computer program is executed by the at least one processor, so that the at least one processor can execute the method described in any embodiment of the present application. How to download map update data.
  • a computer-readable storage medium stores computer instructions, and the computer instructions are used to implement any of the embodiments of the present application when executed by a processor. Map update data download method.
  • Figure 1 is a flow chart of a method for downloading map update data provided in Embodiment 1 of the present application;
  • Figure 2 is a flow chart of an update data downloading method provided in Embodiment 2 of the present application.
  • FIG. 3 is a flow chart of an update data downloading method provided in Embodiment 2 of the present application.
  • Figure 4 is a flow chart of a method for sending a first download link provided in Embodiment 2 of the present application;
  • Figure 5 is a flow chart of a method for downloading update data provided in Embodiment 2 of the present application.
  • Figure 6 is a flow chart of a method for obtaining a second download link provided in Embodiment 2 of the present application.
  • Figure 7 is a schematic structural diagram of a map update data downloading device provided in Embodiment 3 of the present application.
  • Figure 8 is a schematic structural diagram of an electronic device that implements the map update data downloading method according to an embodiment of the present application.
  • FIG. 1 is a flow chart of a method for downloading map update data provided in Embodiment 1 of the present application.
  • This embodiment can be applied to the situation where the car terminal updates the map data of the parking lot to implement the automatic parking function of the parking lot.
  • This method can be performed by It can be implemented by an automotive telematics service provider (TSP), original equipment manufacturer (Original Equipment Manufacturer, OEM) or regulatory platform.
  • TSP can be implemented in the form of hardware and/or software. As shown in Figure 1, the method includes:
  • the target vehicle refers to an intelligent vehicle with automatic parking function based on the parking lot map.
  • the automatic parking function based on the parking lot map is a car-based Automated Valet Parking (AVP) system.
  • the AVP system realizes route planning and automatic driving control of automatic valet parking through high-precision maps downloaded to the car. .
  • the on-board equipment used by smart vehicles to update and communicate AVP map data usually includes: AVP controller equipment (AVP ECU) and in-vehicle network connection box T-BOX.
  • AVP ECU AVP controller equipment
  • T-BOX T-BOX
  • Vehicle information refers to information related to the target vehicle, such as frame number, serial number, Internet Protocol (IP) address and other unique information.
  • IP Internet Protocol
  • the map update request refers to the AVP map update request for the vehicle that is triggered when the target vehicle reaches certain conditions.
  • the trigger conditions for the map update request can be time period, target vehicle start, The target vehicle enters a parking lot, etc.
  • the update data is the relevant data used by the target vehicle to update the AVP map;
  • the download item is the data corresponding to at least one download item required to complete the AVP map update.
  • the download items correspond to the download order.
  • the download order identifies the download and update order corresponding to the data of each download item during the update process.
  • the download items with a relatively lower order need to be downloaded and updated after the items with a relatively earlier order and certain download conditions are met. Only then can the update be downloaded.
  • verifying the target vehicle refers to verifying the relevant permissions of the target vehicle through vehicle information, determining whether the target vehicle needs to update map data, determining whether the target vehicle is forged by other devices based on the unique identification in the vehicle information, and determining the target vehicle. Whether you have permission to download update data, etc.
  • TSP allows the target vehicle to download the update data and perform the update.
  • the embodiment of the present application receives a map update request from the target vehicle, determines the update data corresponding to the target vehicle based on the vehicle information of the target vehicle, and downloads the update data to the target vehicle after verifying the vehicle information of the target vehicle, so as to Completing the map update solves the problem that the current downloading process of map update data is too cumbersome and can improve the efficiency of map update.
  • FIG. 2 is a flow chart of an update data downloading method provided in Embodiment 2 of the present application.
  • the update data includes the target map version file, the target map directory file and the target map data file.
  • the target map version file includes the name of the latest version of the map data, including the text name or version number; the target map directory file is included in the update data.
  • the method includes:
  • S210 Perform first device authentication processing on the target vehicle according to the vehicle information.
  • the vehicle information is the relevant data of the target vehicle, such as the frame number, serial number, IP address and other unique information, which is used to verify the authenticity of the device downloading the update data and prevent other devices from downloading the update data.
  • the first device authentication process is used to verify the target vehicle through its unique identification and determine whether the target vehicle has the authority to download the target map version file.
  • the vehicle information in addition to the unique information of the target vehicle used for verification, also includes the version number of the target vehicle's current map version file, which is used to verify whether the target vehicle needs to update the map. Every time a scene such as the target vehicle starting or entering a parking lot is triggered, the version number is used to determine whether there is an update to the map.
  • the version number of the current map version file can be queried by AVP ECU.
  • the query process is for AVP ECU to request the version number of the current map version file from TSP through T-BOX. T-BOX only transmits transparently during transmission.
  • the TSP performs the first service authentication process through the version number of the current map version file.
  • the map server refers to the parking lot map server (AVP Map Cloud).
  • AVP Map Cloud After the TSP performs the first device authentication process and the first service authentication process and passes them, it requests the latest target map version file from AVP Map Cloud and verifies AVP Map Cloud.
  • AVP Map Cloud returns the target map version file to TSP, and TSP transmits the target map version file to AVP ECU through T-BOX transparent transmission, and updates the current map version file.
  • Figure 3 is a flow chart of an update data download method provided in Embodiment 2 of the present application. As shown in Figure 3, when the update data is a target map directory file, the method includes:
  • the second device authentication process is used to verify the target vehicle through its unique identifier and determine whether the target vehicle has the authority to download the target map directory file.
  • the trigger of the second device authentication process is when the AVP ECU of the target vehicle requests to download the target map directory file.
  • the request is triggered by the AVP ECU and is transparently transmitted to the TSP by the T-BOX.
  • TSP performs second device authentication processing on AVP ECU through vehicle information.
  • the vehicle information in addition to the unique information of the target vehicle used for verification, also includes the current map directory file of the target vehicle, which is used to verify whether the target vehicle is different from the latest target map directory file.
  • the latest target map directory file has been updated by at least one version relative to the current map directory file, and the directory file has changed, such as adding a new parking lot directory file or deleting it.
  • Some parking lot directory files due to the directory file and map number The data files are corresponding, so the current map directory file needs to be updated so that it can correspond to the latest map data file. If the target map directory file has no directory file changes based on the current map directory file, there is no need to update it.
  • the TSP After the TSP completes and passes the second service authentication process, it requests the AVP Map Cloud to download the target map directory file and authenticates the AVP Map Cloud.
  • AVP Map Cloud returns the first download link to TSP, TSP sends the first download link to AVP ECU, and AVP ECU accesses the first download link to download the target map directory file.
  • Figure 4 is a flow chart of a method for sending a first download link provided in Embodiment 2 of the present application. As shown in Figure 4, the method includes:
  • S410 Send a first download application to the map server, so that the map server obtains the first download link and the first verification identification for the target vehicle according to the first download application and returns the first download application.
  • S420 Send the first download link and the first verification identification to the target vehicle, so that the target vehicle accesses the first download link and passes the map server through the first verification identification. For verification, download the target map directory file from the first download link and update it.
  • TSP After the TSP completes the second business authentication process and passes it, it requests AVP Map Cloud to download the target map directory file, and AVP Map Cloud returns the first download link and the first verification identification.
  • the first verification identification is used for verification when accessing the first download link.
  • TSP sends the first download link and first verification identification to AVP ECU through T-BOX transparent transmission.
  • AVP ECU accesses the first download link through T-BOX, passes the verification through the first verification identification, and downloads the target map directory file.
  • AVP ECU can only download data through the link issued by TSP.
  • AVP Map Cloud After receiving access from AVP ECU, AVP Map Cloud will perform secondary verification. After passing the verification, the target map directory file will be returned to AVP ECU through T-BOX.
  • Figure 5 is a flow chart of a method for downloading update data provided in Embodiment 2 of the present application.
  • the update data is a target map data file, as shown in Figure 5, the method includes the following steps:
  • the third device authentication process is used to verify the target vehicle through the unique identification of the target vehicle. Certificate to determine whether the target vehicle has the permission to download the target map data file.
  • the third device authentication process is triggered when the AVP ECU of the target vehicle requests to download the target map data file. This request is issued by the AVP ECU and transparently transmitted to the TSP by the T-BOX. TSP performs second device authentication processing on AVP ECU through vehicle information.
  • the vehicle information includes, in addition to the unique information of the target vehicle used for verification, the current map data file of the target vehicle, used to verify whether the target vehicle is different from the latest target map data files of all parking lots, and determine that an update is required.
  • the unique identification of the parking lot and obtain the target map data file that needs to be downloaded based on the unique identification.
  • TSP After completing the third service authentication process and passing it, TSP requests AVP Map Cloud to download the target map data file and authenticates AVP Map Cloud.
  • AVP Map Cloud returns the second download link to TSP, TSP sends the second download link to AVP ECU, and AVP ECU accesses the second download link to download the target map directory file.
  • Figure 6 is a flow chart of a method for obtaining a second download link provided in Embodiment 2 of the present application. As shown in Figure 6, the method includes:
  • TSP sends a second download application to AVP Map Cloud to request a second download link.
  • AVP Map Cloud returns the second download link and the second verification identification.
  • TSP returns the second download link and second verification identification to AVP ECU through T-BOX transparent transmission, and AVP ECU accesses the second download link through T-BOX to request to download the target map data file.
  • the file passes the verification of AVP Map Cloud through the second verification identification, and AVP Map Cloud transmits the target map data file to AVP ECU through T-BOX.
  • the method further includes: obtaining the data volume of the target map data file from the map server; and counting the data volume into the traffic usage record of the target vehicle.
  • the traffic available to the target vehicle within a traffic usage cycle is limited, so the data volume of the downloaded target map data file needs to be counted and accumulated into the traffic usage record.
  • the file data size is small (usually about 1M), it can be downloaded through the free traffic of the manufacturer of the target vehicle.
  • TSP when TSP requests the second download link through the second download application, it will also request the data volume of the target map data file downloaded in this request.
  • AVP Map Cloud returns the second download link and the second verification identification, Determine and return the data amount based on the parking lot map data corresponding to the target map data file.
  • the AVP ECU determines whether the amount of data exceeds the storage space of the target vehicle. If it does not, access the second download link to download the target map data file.
  • TSP can count the amount of data downloaded and used by AVP ECU, and perform billing and other operations based on traffic usage records.
  • the background when the conditions for requesting an update are met (such as vehicle startup), the background is automatically requested to query the parking lot directory version. Once it is determined that the directory file has been updated, the update is downloaded silently and automatically without the need for the user to interact with the human-machine interface. After the silent update, it is convenient to update and view the information of the parking lot list, ensuring the high frequency and accuracy of map updates.
  • the AVP ECU during the interaction, if the AVP ECU is disconnected from the network or the vehicle power supply during the data download process, it can resume the transmission from the last downloaded position when the next network connection or power supply is restored. Continue downloading. If the final download fails due to memory, program or other reasons, the historical version can be restored through the directory file rollback mechanism.
  • Figure 7 is a schematic structural diagram of a device for downloading map update data provided in Embodiment 3 of the present application. As shown in Figure 7, the device includes:
  • the update request receiving unit 710 is configured to receive a map update request of the target vehicle, wherein the update request includes vehicle information of the target vehicle;
  • the update data determining unit 720 is configured to determine update data corresponding to the target vehicle, where the update data includes at least one download item that is downloaded in sequence;
  • the update data processing unit 730 is configured to verify the target vehicle according to the vehicle information, and download the update data to the target vehicle when the verification result is passed.
  • the update data includes a target map version file, a target map directory file, and a target map data file that are downloaded in sequence;
  • the update data processing unit 730 is configured to verify the target vehicle according to the vehicle information in the following manner, and when the verification result is passed, the Update data is downloaded to the target vehicle:
  • the first device authentication process passes, perform a first business authentication process on the target vehicle according to the version number of the current map version file of the target vehicle included in the vehicle information;
  • the update data processing unit 730 is also configured to verify the target vehicle according to the vehicle information in the following manner.
  • the verification result To download the updated data to the target vehicle upon passing:
  • the first download link of the target map directory file is obtained from the map server and sent to the target vehicle, so that the target vehicle can download the first link according to the first download link. Link to download the target map directory file and update it.
  • the update data processing unit 730 is configured to obtain the first download link of the target map directory file from the map server in the following manner and send it to the target vehicle:
  • the update data processing unit 730 is also configured to verify the target vehicle according to the vehicle information in the following manner.
  • the verification result To download the updated data to the target vehicle upon passing:
  • a second download link is obtained from the map server and sent to the target vehicle, so that the target vehicle downloads the at least one parking lot according to the second download link.
  • Target map data file and update is obtained from the map server and sent to the target vehicle, so that the target vehicle downloads the at least one parking lot according to the second download link.
  • the update data processing unit 730 is configured to obtain the second download link from the map server and send it to the target vehicle in the following manner:
  • the update data processing unit 730 is also configured to execute:
  • the amount of data is counted into the traffic usage record of the target vehicle.
  • the map update data download device provided by the embodiments of the present application can execute the map update data download method provided by any embodiment of the present application, and has functional modules and beneficial effects corresponding to the execution method.
  • FIG. 8 shows a schematic structural diagram of an electronic device 10 that can be used to implement embodiments of the present application.
  • Electronic devices may represent various forms of digital computers, such as laptop computers, desktop computers, workstations, personal digital assistants, servers, blade servers, mainframe computers, and other suitable computers.
  • Electronic devices may also represent various forms of mobile devices, such as personal digital assistants, cellular phones, smart phones, wearable devices (eg, helmets, glasses, watches, etc.), and other similar computing devices.
  • the components shown herein, their connections and relationships, and their functions are examples only.
  • the electronic device 10 includes at least one processor 11, and a memory communicatively connected to the at least one processor 11, such as a read-only memory (Read Only Memory, ROM) 12, a random access memory (Random Access Memory, RAM). ) 13, etc., wherein the memory stores a computer program that can be executed by at least one processor, and the processor 11 can load it into a random access memory (RAM) according to the computer program stored in the read-only memory (ROM) 12 or from the storage unit 18 )13 to perform various appropriate actions and processes. In the RAM 13, various programs and data required for the operation of the electronic device 10 can also be stored.
  • the processor 11, the ROM 12 and the RAM 13 are connected to each other via the bus 14.
  • An input/output (I/O) interface 15 is also connected to the bus 14 .
  • the I/O interface 15 Multiple components in the electronic device 10 are connected to the I/O interface 15, including: an input unit 16, such as a keyboard, a mouse, etc.; an output unit 17, such as various types of displays, speakers, etc.; a storage unit 18, such as a magnetic disk, an optical disk, etc. etc.; and communication unit 19, such as network card, modem, wireless communication transceiver, etc.
  • the communication unit 19 allows the electronic device 10 to exchange information/data with other devices through computer networks such as the Internet and/or various telecommunications networks.
  • Processor 11 may be a variety of general and/or special purpose processing components having processing and computing capabilities. Examples of the processor 11 may include a central processing unit (Central Processing Unit, CPU), a graphics processing unit (Graphic Processing Unit, GPU), various dedicated artificial intelligence (Artificial Intelligence, AI) computing chips, and various running machine learning models. Algorithm processor, digital signal processor (Digital Signal Processing, DSP), and any appropriate processor, controller, microcontroller, etc.
  • the processor 11 executes various methods and processes described above, such as the map update data downloading method.
  • the map update data downloading method may be implemented as a computer program, which is tangibly included in a computer-readable storage medium, such as the storage unit 18 .
  • part or all of the computer program may be loaded and/or installed onto the electronic device 10 via the ROM 12 and/or the communication unit 19.
  • the processor 11 may be configured to perform the map update data downloading method in any other suitable manner (eg, by means of firmware).
  • Various implementations of the systems and techniques described above may be implemented in digital electronic circuit systems, Integrated circuit systems, Field-Programmable Gate Array (FPGA), Application Specific Integrated Circuit (ASIC), Application Specific Standard Parts (ASSP), System on Chip (System on Chip (SOC), Complex Programmable Logic Device (CPLD), computer hardware, firmware, software, and/or combinations thereof.
  • FPGA Field-Programmable Gate Array
  • ASIC Application Specific Integrated Circuit
  • ASSP Application Specific Standard Parts
  • SOC System on Chip
  • CPLD Complex Programmable Logic Device
  • These various embodiments may include implementation in one or more computer programs executable and/or interpreted on a programmable system including at least one programmable processor, the programmable processor
  • the processor which may be a special purpose or general purpose programmable processor, may receive data and instructions from a storage system, at least one input device, and at least one output device, and transmit data and instructions to the storage system, the at least one input device, and the at least one output device.
  • An output device may be a special purpose or general purpose programmable processor, may receive data and instructions from a storage system, at least one input device, and at least one output device, and transmit data and instructions to the storage system, the at least one input device, and the at least one output device.
  • An output device may be a special purpose or general purpose programmable processor, may receive data and instructions from a storage system, at least one input device, and at least one output device, and transmit data and instructions to the storage system, the at least one input device, and the at least one output device.
  • Computer programs for implementing the methods of the present application may be written in any combination of one or more programming languages. These computer programs may be provided to a processor of a general-purpose computer, a special-purpose computer, or other programmable data processing device, such that the computer program, when executed by the processor, causes the functions/operations specified in the flowcharts and/or block diagrams to be implemented.
  • a computer program may execute entirely on the machine, partly on the machine, as a stand-alone software package, partly on the machine and partly on a remote machine or entirely on the remote machine or server.
  • a computer-readable storage medium may be a tangible medium that may contain or store a computer program for use by or in connection with an instruction execution system, apparatus, or device.
  • Computer-readable storage media may include electronic, magnetic, optical, electromagnetic, infrared, or semiconductor systems, devices or devices, or suitable combinations of the foregoing.
  • the computer-readable storage medium may be a machine-readable signal medium.
  • machine-readable storage media may include an electrical connection based on one or more wires, a portable computer disk, a hard drive, random access memory (RAM), read only memory (ROM), erasable programmable read only memory (Electronic Programable Read Only Memory (EPROM) or flash memory, optical fiber, portable compact disk read-only memory (Compact Disc-Read Only Memory, CD-ROM), optical storage device, magnetic storage device, or a suitable combination of the above.
  • RAM random access memory
  • ROM read only memory
  • EPROM Electrical Programable Read Only Memory
  • flash memory electrical connection based on one or more wires
  • CD-ROM Compact Disc-Read Only Memory
  • CD-ROM Compact Disc-Read Only Memory
  • the systems and techniques described herein may be implemented on an electronic device having a display device (eg, a cathode ray tube (CRT) or a liquid crystal) for displaying information to the user.
  • a display device eg, a cathode ray tube (CRT) or a liquid crystal
  • a display Liquid Crystal Display, LCD or monitor
  • a keyboard and pointing device eg, a mouse or a trackball
  • Other kinds of devices may also be used to provide interaction with the user; for example, the feedback provided to the user may be any form of sensory feedback (e.g., visual feedback, auditory feedback, or tactile feedback); and may be provided in any form, including Acoustic input, voice input or tactile input) to receive input from the user.
  • the systems and techniques described herein may be implemented in a computing system that includes back-end components (e.g., as a data server), or a computing system that includes middleware components (e.g., an application server), or a computing system that includes front-end components (e.g., A user's computer having a graphical user interface or web browser through which the user can interact with implementations of the systems and technologies described herein), or including such backend components, middleware components, or any combination of front-end components in a computing system.
  • the components of the system may be interconnected by any form or medium of digital data communication (eg, a communications network). Examples of communication networks include: Local Area Network (LAN), Wide Area Network (WAN), blockchain network, and the Internet.
  • Computing systems may include clients and servers.
  • Clients and servers are generally remote from each other and typically interact over a communications network.
  • the relationship of client and server is created by computer programs running on corresponding computers and having a client-server relationship with each other.
  • the server can be a cloud server, also known as cloud computing server or cloud host. It is a host product in the cloud computing service system to solve the problems of difficult management and weak business scalability in traditional physical hosts and VPS services. defect.

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Abstract

La présente demande divulgue un procédé et un appareil de téléchargement de données de mise à jour de carte, un dispositif et un support lisible. Le procédé comprend : la réception d'une demande de mise à jour de carte d'un véhicule cible, la demande de mise à jour comprenant des informations de véhicule du véhicule cible ; la détermination de données de mise à jour correspondant au véhicule cible, les données de mise à jour comprenant au moins l'un parmi des éléments de téléchargement qui sont téléchargés de manière séquentielle ; et la vérification du véhicule cible en fonction des informations de véhicule, et le téléchargement les données de mise à jour sur le véhicule cible lorsque la vérification est réussie.
PCT/CN2023/108834 2022-07-28 2023-07-24 Procédé et appareil de téléchargement de données de mise à jour de carte, dispositif et support lisible WO2024022277A1 (fr)

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CN202210896501.7A CN115617823A (zh) 2022-07-28 2022-07-28 地图更新数据下载方法、装置、设备及可读介质
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