CN116224973A - Off-line OTA data stream breakpoint control method and system based on upper computer control - Google Patents

Off-line OTA data stream breakpoint control method and system based on upper computer control Download PDF

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Publication number
CN116224973A
CN116224973A CN202310504704.1A CN202310504704A CN116224973A CN 116224973 A CN116224973 A CN 116224973A CN 202310504704 A CN202310504704 A CN 202310504704A CN 116224973 A CN116224973 A CN 116224973A
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Prior art keywords
data stream
information
ota data
ota
vehicle
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Inventor
李立玉
张苏芬
彭玲
彭玉环
邵凡
李武兰
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Jiangling Motors Corp Ltd
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Jiangling Motors Corp Ltd
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Priority to CN202310504704.1A priority Critical patent/CN116224973A/en
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    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B23/00—Testing or monitoring of control systems or parts thereof
    • G05B23/02—Electric testing or monitoring
    • G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
    • G05B23/0259—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterized by the response to fault detection
    • G05B23/0262—Confirmation of fault detection, e.g. extra checks to confirm that a failure has indeed occurred
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B2219/00—Program-control systems
    • G05B2219/20—Pc systems
    • G05B2219/24—Pc safety
    • G05B2219/24065—Real time diagnostics
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
    • Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]

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  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Testing And Monitoring For Control Systems (AREA)

Abstract

The application discloses a method and a system for controlling breakpoint of an offline OTA data stream based on control of an upper computer, wherein the method comprises the following steps: automatically pushing OTA data stream switching information to an upper computer device through an online system; controlling an MES system to acquire OTA data stream switching information, checking the OTA data stream switching vehicle related information, and controlling pushing of the OTA data stream when checking passes; and controlling the offline VCAST equipment to acquire a corresponding data stream according to the pushed OTA data stream, and updating the local OTA basic data stream. The off-line OTA data flow breakpoint control is automatically carried out through the on-line system, so that the error leakage of manual off-line operation and transmission is reduced; the MES system automatically pushes the offline diagnosis equipment to diagnose, so that the accuracy is improved, the software iteration efficiency is improved, and the automation and digitization degree of a factory is further improved.

Description

Off-line OTA data stream breakpoint control method and system based on upper computer control
Technical Field
The invention relates to the field of automobile manufacturing, in particular to a method and a system for controlling breakpoint of an offline OTA data stream based on control of an upper computer.
Background
With the continuous development of automobile intellectualization, networking and electronic technology, more and more electronic control units and functions are carried on the automobile, and the OTA (over the Air-technology) technology is used for repairing software faults for clients, so that the maintenance time and cost for going to a 4S store are greatly reduced; meanwhile, OTA provides possibility for adding new functions to the vehicle, expands the service and operation scope of a host factory, and brings new function experience to users. When the vehicle is in OTA upgrade, the factory OTA basic data is needed, and software iteration is needed to switch the module OTA basic data flow at the off-line position of the vehicle. At present, most factories need breakpoint control on an OTA data stream and check the offline OTA data stream, usually, when a module is set to change and switch, a field engineer records the number of a vehicle VIN (vehicle identification code) to be switched manually, and each station system iterates OTA data of each trolley in an offline manual operation mode. The method can not iterate OTA data flow in real time according to the production plan, is easy to make mistakes and has low efficiency. How to switch over the OTA data flow from design to production and realize automatic breakpoint control is a difficult problem encountered by many host factories.
Disclosure of Invention
The invention aims to overcome the defects of the background technology and provides a method and a system for controlling breakpoint of an off-line OTA data stream based on control of an upper computer.
In a first aspect, a method for controlling a breakpoint of an offline OTA data stream based on control of an upper computer is provided, including the following steps:
automatically pushing OTA data stream switching information to upper computer equipment through an online system, wherein the OTA data stream switching information comprises setting change information, a vehicle VIN number to be switched at the head station and an OTA data stream;
controlling an MES system to acquire OTA data stream switching information, checking the OTA data stream switching vehicle related information, and controlling pushing of the OTA data stream when checking passes;
and controlling the offline VCAST equipment to acquire a corresponding data stream according to the pushed OTA data stream, and updating the local OTA basic data stream.
According to the first aspect, in a first possible implementation manner of the first aspect, the automatically pushing, by the on-line system, OTA data flow switching information to the upper computer device, where the OTA data flow switching information includes setting change information, a VIN number of a vehicle to be switched by the head station, and an OTA data flow step, specifically includes the following steps:
acquiring setting change information and OTA data stream through an SAP (SystemApplications and Products in Data processing production data and management system) system, acquiring a vehicle VIN number to be switched at the head station according to the acquired setting change information, and sending a production shear notification and OTA data stream switching information comprising the vehicle VIN number to be switched at the head station, the setting change information and the OTA data stream;
and acquiring a production shear notice and OTA data stream switching information through the upper computer equipment, controlling a trigger switching process and transmitting the VIN number and the OTA data stream of the first vehicle to be switched.
In a second possible implementation manner of the first aspect, the automatically pushing, by the on-line system, OTA data flow switching information to the upper computer device, where the OTA data flow switching information includes setting change information, a VIN number of a vehicle to be switched at the head station, and an OTA data flow step, and specifically includes the following steps:
acquiring setting change information and an OTA data packet OTA data stream through an SAP system, acquiring a vehicle VIN number to be switched at the head station according to the acquired setting change information, and sending a production shear notification and OTA data stream switching information comprising the vehicle VIN number to be switched at the head station, the setting change information and the OTA data packet OTA data stream;
and acquiring a production shear notice and OTA data stream switching information through the upper computer equipment, controlling a triggering switching process and transmitting the VIN number of the first vehicle to be switched and the OTA data stream of the OTA data packet. According to a third possible implementation manner of the first aspect, the step of obtaining the VIN number of the first vehicle to be switched according to the obtained setting change information specifically includes the following steps:
and automatically generating the VIN number of the first vehicle to be switched according to the acquired information of the setting-changing switching module, the project vehicle type and the switching date.
In a fourth possible implementation manner of the first aspect, the setting change information includes a setting change number, a setting change front part information, a setting change back part information, a switching date, a station information, and a vehicle VIN.
According to a fifth possible implementation manner of the first aspect, the controlling MES system (ManufacturingExecution System production executing system) obtains OTA data flow switching information and performs verification of OTA data flow switching vehicle related information, and when verification passes, the controlling step of pushing the OTA data flow specifically includes the following steps:
the MES is controlled to search the VIN of the vehicle after the VIN of the first vehicle to be switched according to the production plan queue, check the vehicle type information and the part information of the VIN of the vehicle after the VIN of the first vehicle to be switched is acquired, and acquire a vehicle check result;
and when the MES system acquires the data command for replacing the OTA parts, pushing the OTA data stream to the service address of the downlink VCAST equipment.
According to the first aspect, in a sixth possible implementation manner of the first aspect, the automatically pushing, by the on-line system, OTA data flow switching information to the upper computer device, where the OTA data flow switching information includes setting change information, a VIN number of a vehicle to be switched by the head station, and before the step of OTA data flow, the method further includes the following steps:
corresponding interfaces are controlled to be developed on SAP systems, MES systems and VCAST (diagnosis equipment for the whole factory vehicle offline) equipment, and the interfaces are defined with a set number, part information before the set, part information after the set, switching date, station information, vehicle VIN and a receiving server address.
In a second aspect, the present application provides an offline OTA data flow breakpoint control system based on upper computer control, including:
the information automatic transmission module is used for automatically pushing OTA data stream switching information to the upper computer equipment through the online system, wherein the OTA data stream switching information comprises setting change information, a vehicle VIN number to be switched at the head station and an OTA data stream;
the data packet pushing module is in communication connection with the information automatic transmission module and is used for controlling the MES system to acquire OTA data stream switching information and checking the information related to the OTA data stream switching vehicle, and when checking passes, the data packet pushing module is used for controlling and pushing the OTA data stream;
and the data stream updating module is in communication connection with the data packet pushing module and is used for controlling the offline VCAST equipment to acquire a corresponding data stream according to the pushed OTA data stream and update the local OTA basic data stream.
In a first possible implementation manner of the second aspect according to the second aspect, the information automatic transmission module specifically includes:
the information acquisition unit is used for acquiring the setting change information and the OTA data stream through the SAP system, acquiring the VIN number of the first vehicle to be switched according to the acquired setting change information, and sending a production shear notification and OTA data stream switching information comprising the VIN number of the first vehicle to be switched, the setting change information and the OTA data stream;
the information transmission unit is in communication connection with the information acquisition unit and is used for acquiring production shear notification and OTA data stream switching information through the upper computer equipment, controlling and triggering a switching process and sending the VIN number and the OTA data stream of the first vehicle to be switched.
Compared with the prior art, the invention has the following advantages:
according to the off-line OTA data flow breakpoint control method based on the upper computer control, the off-line OTA data flow breakpoint control is automatically carried out through the on-line system, so that the error and the leakage of manual off-line operation and transmission can be reduced, the method is efficient and timely, and the latest software can be transmitted to the cloud end to be written most quickly; the related stations of the factory do not need to manually identify the items, the vehicle types and the switching time of the data packet; after receiving the upper computer switching notification, the MES system automatically acquires the OTA switching data packet, automatically pushes the offline diagnosis equipment to perform diagnosis, improves accuracy, reduces errors possibly generated in a transmission link without additional operation and manual transmission, improves software iteration efficiency, and further improves automation and digitization degree of a factory.
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Fig. 1 is a method flowchart of a method for controlling a breakpoint of an offline OTA data stream based on control of an upper computer provided by the present application;
fig. 2 is a schematic connection diagram of an offline OTA data flow breakpoint control in the offline OTA data flow breakpoint control method based on the upper computer control provided in the present application.
Detailed Description
For better understanding of the present invention, the objects, technical solutions and advantages thereof will be more clearly understood by those skilled in the art, and the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. It will be apparent that the described embodiments are merely some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, in the description and claims, are intended to cover a non-exclusive inclusion, such that a process, method, apparatus, article, or device that comprises a list of steps or elements is not necessarily limited to those steps or elements that are expressly listed or inherent to such process, method, article, or device.
How to switch over the OTA data flow from design to production and realize automatic breakpoint control is a difficult problem encountered by many host factories.
Referring to fig. 1 and 2, an embodiment of the present invention provides a method for controlling a breakpoint of an offline OTA data stream based on control of an upper computer, including the following steps:
step S1, automatically pushing OTA data stream switching information to upper computer equipment through an online system, wherein the OTA data stream switching information comprises setting change information, a vehicle VIN number to be switched at the head station and an OTA data stream;
s2, controlling an MES system to acquire OTA data stream switching information, checking the OTA data stream switching vehicle related information, and controlling to push the OTA data stream when checking passes;
step S3, controlling the off-line VCAST equipment to acquire a corresponding data stream according to the pushed OTA data stream, updating a local OTA basic data stream, diagnosing the accuracy of network messages of the off-line OTA data according to the latest basic OTA data stream by the off-line VCAST equipment, powering on the whole automobile after the off-line OTA data is downloaded, enabling each module controller to send or respond to a CAN network message, enabling the whole automobile OBD to be connected with the off-line VCAST equipment, enabling the off-line VCAST equipment to use UDS 10 service to carry out session with the whole automobile module, reading VIN numbers of the off-line automobile through 22 service and a data identifier DID 190, diagnosing the accuracy of the OTA data of the whole automobile by using 22 service and a data identifier DIDF113/F188, and checking the diagnosis messages of the off-line automobile VIN and the automobile configuration.
According to the off-line OTA data stream breakpoint control method based on the upper computer control, the off-line OTA data stream breakpoint control is automatically realized in a mode of automatically analyzing and checking the OTA data stream by an on-line system, OTA data stream switching can be efficiently performed according to a production plan, error and leakage of manual off-line operation and transmission are reduced, and accuracy and instantaneity of OTA data stream switching are improved;
the related stations of the factory do not need to manually identify the items, the vehicle types and the switching time of the data packet;
after receiving the upper computer switching notification, the MES system automatically acquires the OTA switching data packet, automatically pushes the offline diagnosis equipment to perform diagnosis, improves accuracy, reduces errors possibly generated in a transmission link without additional operation and manual transmission, improves software iteration efficiency, and further improves automation and digitization degree of a factory.
The setting change information is defined as related information of the downlink equipment switching OTA basic data stream.
In an embodiment, the on-line system automatically pushes OTA data stream switching information to the upper computer device, where the OTA data stream switching information includes setting information, a VIN number of a first vehicle to be switched, and an OTA data stream step, and specifically includes the following steps:
acquiring setting change information and OTA data stream through an SAP system, acquiring the VIN number of a first vehicle to be switched according to the acquired setting change information, and sending a production shear notification and OTA data stream switching information comprising the VIN number of the first vehicle to be switched, the setting change information and the OTA data stream;
and acquiring a production shear notice and OTA data stream switching information through the upper computer equipment, controlling a trigger switching process and transmitting the VIN number and the OTA data stream of the first vehicle to be switched.
In an embodiment, the step of obtaining the VIN number of the first vehicle to be switched according to the obtained setting change information specifically includes the following steps:
and automatically generating the VIN number of the first vehicle to be switched according to the acquired information of the setting-changing switching module, the project vehicle type and the switching date.
In an embodiment, the setting-changing information includes a setting-changing number, pre-setting-changing part information, post-setting-changing part information, a switching date, station information and a vehicle VIN, so that the OTA data stream switching information which needs to be updated in the offline device for realizing software iteration is automatically transmitted to the upper computer device, and an information control processing basis is provided for realizing automatic breakpoint control of the OTA data stream.
In an embodiment, the control MES system acquires OTA data stream switching information, checks related information of the OTA data stream switching vehicle, and controls the step of pushing the OTA data stream when the check passes, wherein the method specifically comprises the following steps:
the MES is controlled to search the VIN of the vehicle after the VIN of the first vehicle to be switched according to the production plan queue, check the vehicle type information and the part information of the VIN of the vehicle after the VIN of the first vehicle to be switched is acquired, and acquire a vehicle check result;
when the upper computer equipment acquires the check pass, the upper computer equipment sends a command for replacing the OTA part data, and when the MES system acquires the command for replacing the OTA part data, the OTA data stream is pushed to the service address of the downlink VCAST equipment, so that automatic breakpoint control on the OTA data stream automatically transmitted to the upper computer equipment is realized, and the software iteration efficiency is improved.
In an embodiment, the on-line system automatically pushes OTA data stream switching information to the upper computer device, where the OTA data stream switching information includes setting information, a VIN number of a first vehicle to be switched, and before the step of OTA data stream, the method further includes the following steps:
corresponding interfaces are controlled to be developed on an SAP system, an MES system and an offline VCAST device so that the SAP system, the MES system and the offline VCAST device can support pushing of set change information and OTA data streams to be switched to required server addresses, the MES system, the upper computer device and the offline VCAST device can actively acquire the set change information and the switched OTA data streams, a set change number, part information before the set change, part information after the set change, switching date, station information, vehicle VIN and a server address are required to be defined in the interfaces, wherein the upper computer device, the MES system and the offline VCAST device are factory systems and devices and are in communication connection with a cloud platform, and the offline VCAST device is offline diagnostic device and is in communication connection with an ECU controller.
Based on the same inventive concept, the offline OTA data flow breakpoint control system based on the upper computer control comprises an information automatic transmission module, a data packet pushing module and a data flow updating module;
the information automatic transfer module is used for automatically pushing OTA data stream switching information to the upper computer equipment through the online system, wherein the OTA data stream switching information comprises setting change information, a vehicle VIN number to be switched at the head station and an OTA data stream;
the data packet pushing module is in communication connection with the information automatic transmission module and is used for controlling the MES system to acquire OTA data stream switching information and checking the information related to the OTA data stream switching vehicle, and when checking passes, the data packet pushing module is used for controlling and pushing the OTA data stream;
and the data stream updating module is in communication connection with the data packet pushing module and is used for controlling the offline VCAST equipment to acquire a corresponding data stream according to the pushed OTA data stream and update the local OTA basic data stream.
In one embodiment, the information automatic transmission module specifically includes:
the information acquisition unit is used for acquiring the setting change information and the OTA data stream through the SAP system, acquiring the VIN number of the first vehicle to be switched according to the acquired setting change information, and sending a production shear notification and OTA data stream switching information comprising the VIN number of the first vehicle to be switched, the setting change information and the OTA data stream;
the information transmission unit is in communication connection with the information acquisition unit and is used for acquiring production shear notification and OTA data stream switching information through the upper computer equipment, controlling and triggering a switching process and sending the VIN number and the OTA data stream of the first vehicle to be switched.
Based on the same inventive concept, the embodiments of the present application also provide a computer-readable storage medium, on which a computer program is stored, which when executed by a processor implements all or part of the method steps of the above method.
The present invention may be implemented by implementing all or part of the above-described method flow, or by instructing the relevant hardware by a computer program, which may be stored in a computer readable storage medium, and which when executed by a processor, may implement the steps of the above-described method embodiments. Wherein the computer program comprises computer program code, which may be in the form of source code, object code, executable files or in some intermediate form, etc. The computer readable medium may include: any entity or device capable of carrying computer program code, a recording medium, a U disk, a removable hard disk, a magnetic disk, an optical disk, a computer Memory, a Read-Only Memory (ROM), a random access Memory (RAM, randomAccess Memory), an electrical carrier signal, a telecommunications signal, a software distribution medium, and so forth. It should be noted that the content of the computer readable medium can be appropriately increased or decreased according to the requirements of the jurisdiction's jurisdiction and the patent practice, for example, in some jurisdictions, the computer readable medium does not include electrical carrier signals and telecommunication signals according to the jurisdiction and the patent practice.
Based on the same inventive concept, the embodiments of the present application further provide an electronic device, including a memory and a processor, where the memory stores a computer program running on the processor, and when the processor executes the computer program, the processor implements all or part of the method steps in the above method.
The processor may be a central processing unit (Central Processing Unit, CPU), other general purpose processors, digital signal processors (DigitalSignal Processor, DSP), application specific integrated circuits (ApplicationSpecific Integrated Circuit, ASIC), off-the-shelf programmable gate arrays (Field-Programmable Gate Array, FPGA) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, or the like. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like, the processor being a control center of the computer device, and the various interfaces and lines connecting the various parts of the overall computer device.
The memory may be used to store computer programs and/or modules, and the processor implements various functions of the computer device by running or executing the computer programs and/or modules stored in the memory, and invoking data stored in the memory. The memory may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required for at least one function (e.g., a sound playing function, an image playing function, etc.); the storage data area may store data (e.g., audio data, video data, etc.) created according to the use of the handset. In addition, the memory may include high-speed random access memory, and may also include non-volatile memory, such as a hard disk, memory, plug-in hard disk, smart Media Card (SMC), secure digital (SecureDigital, SD) Card, flash Card (FlashCard), at least one magnetic disk storage device, flash memory device, or other volatile solid state storage device.
It will be appreciated by those skilled in the art that embodiments of the present invention may be provided as a method, system, server, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, magnetic disk storage, optical storage, and the like) having computer-usable program code embodied therein.
The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), servers and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.

Claims (8)

1. The off-line OTA data stream breakpoint control method based on the control of the upper computer is characterized by comprising the following steps:
automatically pushing OTA data stream switching information to upper computer equipment through an online system, wherein the OTA data stream switching information comprises setting change information, a vehicle VIN number to be switched at the head station and an OTA data stream;
controlling an MES system to acquire OTA data stream switching information, checking the OTA data stream switching vehicle related information, and controlling pushing of the OTA data stream when checking passes;
and controlling the offline VCAST equipment to acquire a corresponding data stream according to the pushed OTA data stream, and updating the local OTA basic data stream.
2. The method for breakpoint control of an offline OTA data stream based on upper computer control of claim 1, wherein the method for automatically pushing OTA data stream switching information to an upper computer device through an online system, wherein the OTA data stream switching information includes a setting change information, a VIN number of a vehicle to be switched at a head station, and an OTA data stream step, and specifically comprises the following steps:
acquiring setting change information and OTA data stream through an SAP system, acquiring the VIN number of a first vehicle to be switched according to the acquired setting change information, and sending a production shear notification and OTA data stream switching information comprising the VIN number of the first vehicle to be switched, the setting change information and the OTA data stream;
and acquiring a production shear notice and OTA data stream switching information through the upper computer equipment, controlling a trigger switching process and transmitting the VIN number and the OTA data stream of the first vehicle to be switched.
3. The method for controlling the breakpoint of the downlink OTA data stream based on the control of the upper computer according to claim 2, wherein the step of obtaining the VIN number of the first vehicle to be switched according to the obtained setting information specifically comprises the following steps:
and automatically generating the VIN number of the first vehicle to be switched according to the acquired information of the setting-changing switching module, the project vehicle type and the switching date.
4. The method of claim 1, wherein the set-up information includes a set-up number, pre-set-up part information, post-set-up part information, switching date, station information, and vehicle VIN.
5. The method for controlling breakpoint of downlink OTA data flow based on upper computer control as claimed in claim 1, wherein the control MES system obtains OTA data flow switching information and checks related information of the OTA data flow switching vehicle, and when checking passes, the step of pushing the OTA data flow is controlled, comprising the following steps:
the MES is controlled to search the VIN of the vehicle after the VIN of the first vehicle to be switched according to the production plan queue, check the vehicle type information and the part information of the VIN of the vehicle after the VIN of the first vehicle to be switched is acquired, and acquire a vehicle check result;
and when the MES system acquires the data command for replacing the OTA parts, pushing the OTA data stream to the service address of the downlink VCAST equipment.
6. The method for controlling a breakpoint of an offline OTA data stream based on upper computer control of claim 1, wherein the step of automatically pushing OTA data stream switching information to an upper computer device via an online system, wherein the OTA data stream switching information includes a configuration change information, a VIN number of a vehicle to be switched at a head station, and an OTA data stream, further includes the steps of:
and controlling the development of corresponding interfaces in the SAP system, the MES system and the VCAST equipment which are connected with the line, wherein the interfaces are defined with a change number, part information before the change, part information after the change, switching date, station information, vehicle VIN and a receiving server address.
7. An off-line OTA data flow breakpoint control system based on upper computer control is characterized by comprising:
the information automatic transmission module is used for automatically pushing OTA data stream switching information to the upper computer equipment through the online system, wherein the OTA data stream switching information comprises setting change information, a vehicle VIN number to be switched at the head station and an OTA data stream;
the data packet pushing module is in communication connection with the information automatic transmission module and is used for controlling the MES system to acquire OTA data stream switching information and checking the information related to the OTA data stream switching vehicle, and when checking passes, the data packet pushing module is used for controlling and pushing the OTA data stream;
and the data stream updating module is in communication connection with the data packet pushing module and is used for controlling the offline VCAST equipment to acquire a corresponding data stream according to the pushed OTA data stream and update the local OTA basic data stream.
8. The system for controlling a breakpoint of an offline OTA data stream based on upper computer control of claim 7, wherein the automatic information transfer module comprises:
the information acquisition unit is used for acquiring the setting change information and the OTA data stream through the SAP system, acquiring the VIN number of the first vehicle to be switched according to the acquired setting change information, and sending a production shear notification and OTA data stream switching information comprising the VIN number of the first vehicle to be switched, the setting change information and the OTA data stream;
the information transmission unit is in communication connection with the information acquisition unit and is used for acquiring production shear notification and OTA data stream switching information through the upper computer equipment, controlling and triggering a switching process and sending the VIN number and the OTA data stream of the first vehicle to be switched.
CN202310504704.1A 2023-05-08 2023-05-08 Off-line OTA data stream breakpoint control method and system based on upper computer control Pending CN116224973A (en)

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Application publication date: 20230606