CN110557734A - Vehicle-mounted OTA remote system - Google Patents
Vehicle-mounted OTA remote system Download PDFInfo
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- CN110557734A CN110557734A CN201910749448.6A CN201910749448A CN110557734A CN 110557734 A CN110557734 A CN 110557734A CN 201910749448 A CN201910749448 A CN 201910749448A CN 110557734 A CN110557734 A CN 110557734A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/0205—Traffic management, e.g. flow control or congestion control at the air interface
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
- H04W4/42—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P] for mass transport vehicles, e.g. buses, trains or aircraft
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
- H04W4/44—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P] for communication between vehicles and infrastructures, e.g. vehicle-to-cloud [V2C] or vehicle-to-home [V2H]
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Aviation & Aerospace Engineering (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
Abstract
the embodiment of the invention provides a vehicle-mounted OTA remote system, which comprises a VOBC, a vehicle-mounted OTA client and an OTA cloud platform; wherein: the VOBC is used for sending the acquired vehicle-mounted data to the OTA client through an OTA private network; the OTA client is used for receiving the vehicle-mounted data, performing differential packet manufacturing on the vehicle-mounted data, and sending differential packet data obtained after the differential packet manufacturing to the OTA cloud platform; and the OTA cloud platform is used for receiving the differential packet data and performing data management on the differential packet data. According to the vehicle-mounted OTA remote system provided by the embodiment of the invention, the vehicle-mounted data collected in the VOBC is sent to the OTA client through the OTA private network, then the vehicle-mounted data is subjected to differential packet manufacturing through the OTA client, and the differential packet data is sent to the OTA cloud platform so that the OTA cloud platform can perform data management on the differential packet data, and the remote data management on the vehicle-mounted data can be efficiently realized.
Description
Technical Field
The invention relates to the technical field of rail transit, in particular to a vehicle-mounted OTA remote system.
Background
the vehicle-mounted data is particularly important for train operation management. The existing vehicle-mounted data is stored in a vehicle-mounted controller (VOBC) of a Train automatic Control System (CBTC), and is specifically stored in an internal storage of a VOBC vehicle-mounted log, when vehicle-mounted data needs to be acquired, the vehicle-mounted data needs to be acquired on site manually, however, a program of a vehicle-mounted kernel and data programming and updating are performed by connecting a serial port through a notebook computer and using special software, and the program programming and updating do not meet the requirement of automation, so that data feedback is not timely, printing is missed, updating and deleting are inconvenient, and problems of labor cost increase, low efficiency and the like are caused.
therefore, how to efficiently perform remote data management on the vehicle-mounted data while avoiding the above technical drawbacks is a problem to be solved.
disclosure of Invention
aiming at the problems in the prior art, the embodiment of the invention provides a vehicle-mounted OTA remote system, which comprises a VOBC, a vehicle-mounted OTA client and an OTA cloud platform; wherein:
the VOBC is used for sending the acquired vehicle-mounted data to the OTA client through an OTA private network;
The OTA client is used for receiving the vehicle-mounted data, performing differential packet manufacturing on the vehicle-mounted data, and sending differential packet data obtained after the differential packet manufacturing to the OTA cloud platform;
And the OTA cloud platform is used for receiving the differential packet data and performing data management on the differential packet data.
The OTA client is an industrial personal computer with an LTE communication function, and the industrial personal computer sends differential packet data obtained after differential packets are manufactured to industrial control equipment in an LTE mode so that the industrial control equipment can forward the differential packet data to the OTA cloud platform.
The VOBC is provided with a vehicle-mounted data unit, and the vehicle-mounted data unit is used for processing the vehicle-mounted data.
Wherein, on-vehicle data unit includes on-vehicle data acquisition module, on-vehicle data storage module, on-vehicle data transmission module, wherein:
the vehicle-mounted data acquisition module is used for acquiring the vehicle-mounted data;
The vehicle-mounted data storage module is used for summarizing and storing the acquired vehicle-mounted data;
and the vehicle-mounted data sending module is used for sending the stored vehicle-mounted data to the OTA client.
Wherein the OTA client is further configured to:
and encrypting the differential packet data, and sending the encrypted differential packet data to the OTA cloud platform.
The embodiment of the invention provides a vehicle-mounted OTA data uploading method by using the vehicle-mounted OTA remote system, which comprises the following steps:
transmitting the acquired vehicle-mounted data to the OTA client through the OTA private network by adopting the VOBC;
Receiving the vehicle-mounted data by adopting the OTA client, performing differential packet manufacturing on the vehicle-mounted data, and sending differential packet data obtained after differential packet manufacturing to the OTA cloud platform;
And receiving the differential packet data by adopting the OTA cloud platform, and performing data management on the differential packet data.
wherein, the said adopting VOBC to send the acquired vehicle carried data to the said OTA customer end through OTA private network, including:
A vehicle-mounted data acquisition module in a vehicle-mounted data unit arranged in the VOBC is adopted to read VOBC running data and an interface log in real time so as to acquire the vehicle-mounted data;
Collecting and storing the collected vehicle-mounted data by using a vehicle-mounted data collection module in the vehicle-mounted data unit;
and sending the stored vehicle-mounted data to the OTA client by using a vehicle-mounted data sending module in the vehicle-mounted data unit.
The OTA client is an industrial personal computer with an LTE communication function; correspondingly, the sending of the differential packet data obtained after the differential packet is manufactured to the OTA cloud platform includes:
And the industrial personal computer sends the differential packet data obtained after the differential packet is manufactured to industrial control equipment in an LTE mode so that the industrial control equipment forwards the differential packet data to the OTA cloud platform.
according to the vehicle-mounted OTA remote system provided by the embodiment of the invention, the vehicle-mounted data collected in the VOBC is sent to the OTA client through the OTA private network, then the vehicle-mounted data is subjected to differential packet manufacturing through the OTA client, and the differential packet data is sent to the OTA cloud platform so that the OTA cloud platform can perform data management on the differential packet data, and the remote data management on the vehicle-mounted data can be efficiently realized.
Drawings
in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a vehicle-mounted OTA remote system according to an embodiment of the present invention;
Fig. 2 is a flowchart of a method for uploading vehicle-mounted OTA data according to an embodiment of the present invention.
Detailed Description
in order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
fig. 1 is a schematic structural diagram of a vehicle-mounted OTA remote system according to an embodiment of the present invention, and as shown in fig. 1, the vehicle-mounted OTA remote system according to the embodiment of the present invention includes a VOBC1, a vehicle-mounted OTA client 2, and an OTA cloud platform 3; wherein:
the VOBC1 is used for sending the acquired vehicle-mounted data to the OTA client 2 through an OTA private network. The OTA client 2 may include a mobile phone, and is not particularly limited. Over the Air Technology ("OTA") is a Technology for remote management of SIM card data and applications Over the Air interface of mobile communications (GSM or CDMA). The air interface may employ WAP, GPRS, CDMA1X, WIFI and short message technologies. The use of OTA technology enables mobile communications to provide not only voice and data services, but also new service downloads, which is a faster wireless technology. Therefore, the application and content service provider can continuously develop more personalized services close to the user requirements, such as information on demand, interactive entertainment, location services, bank transactions and the like, without being limited by the platform. Through the OTA over-the-air downloading technology, a mobile phone user can download various service menus provided by a network into the mobile phone by using an OTA mechanism according to personal preference as long as the mobile phone user simply operates the OTA over-the-air downloading technology, and can customize specific services according to own wishes. The vehicle-mounted data may include vehicle position information, vehicle-mounted device operating state information, interface state information, communication print information, and the like, and is not particularly limited.
the OTA client 2 is used for receiving the vehicle-mounted data, performing differential packet manufacturing on the vehicle-mounted data, and sending differential packet data obtained after the differential packet manufacturing to the OTA cloud platform 3. Differential packaging is performed on the vehicle-mounted data, for example: and carrying out different item classification and packaging on the running data of the train, the printed log of the VOBC, the program version information, the fault alarm and other information.
The OTA cloud platform 3 is configured to receive the differential packet data and perform data management on the differential packet data. The OTA cloud platform 3 mainly performs data management on the differential packet data sent by the OTA client 2, and may specifically include data statistics and classification management, which is not specifically limited. So that the developer can analyze and check the problem for the first time. The main technologies may include: OTA management, project management, version management, strategy configuration, authority management, security mechanism, multi-dimensional upgrade data statistical analysis and the like are carried out by taking a project as a unit. One OTA cloud platform 3 can support a plurality of OTA clients 2 to perform uploading operation, and a user can manage a plurality of projects through the OTA cloud platform 3.
According to the technical scheme of the embodiment of the invention, the functions of data transmission, data extraction, log record remote uploading, remote cleaning, remote deployment and the like can be realized on the vehicle-mounted equipment, so that the information acquisition and maintenance of the vehicle-mounted equipment are more automatic, intelligent and convenient.
The complete solution of the cloud, the pipe and the terminal constructed by the OTA has strong reusability and much lower cost, does not need a user to build a server, and only needs to implant the upgrading capability of the equipment terminal of the OTA. The core difference technology provided by the OTA adopts a smaller difference packet and shortens the upgrading time. On the aspects of safety and stability, a safety mechanism of breakpoint continuous transmission, power-off protection, intelligent restoration and traceability is supported, and each upgrade is protected from being maliciously tampered.
by adopting OTA remote uploading, the problems of difficult management and analysis, incomplete record and the like of the vehicle-mounted record log can be solved. The OTA cloud platform can be used for monitoring the running condition of the multi-project train, so that developers can conveniently locate the cause of problems, and maintainers can conveniently find related problems. A large amount of historical data can be saved through big data technology, and cloud computing analysis can be performed on the data. Similar software version maintenance and upgrading, vehicle-mounted equipment running state query, fault alarm and other problems can be solved remotely, and therefore work and management efficiency is improved.
According to the vehicle-mounted OTA remote system provided by the embodiment of the invention, the vehicle-mounted data collected in the VOBC is sent to the OTA client through the OTA private network, then the vehicle-mounted data is subjected to differential packet manufacturing through the OTA client, and the differential packet data is sent to the OTA cloud platform so that the OTA cloud platform can perform data management on the differential packet data, and the remote data management on the vehicle-mounted data can be efficiently realized.
on the basis of the above embodiment, the OTA client 2 is an industrial personal computer having a Long Term Evolution (Long Term Evolution, abbreviated as "LTE") communication function, the industrial personal computer may be directly placed in a vehicle-mounted cabinet, the industrial personal computer acquires vehicle-mounted data through a serial port, the industrial personal computer transmits differential packet data obtained after differential packet manufacturing to an industrial Control device in an LTE manner, and the industrial Control device may be a Distributed Control System (abbreviated as "DCS") without specific limitation, so that the industrial Control device forwards the differential packet data to the OTA cloud platform 3.
According to the vehicle-mounted OTA remote system provided by the embodiment of the invention, the difference packet data is transmitted to the OTA cloud platform through the industrial personal computer and the industrial personal control equipment, so that the efficiency and the stability of data transmission are improved.
On the basis of the above embodiment, the VOBC1 is provided with a vehicle-mounted data unit, and the vehicle-mounted data unit is used for processing the vehicle-mounted data. The specific processing procedure may include collecting, storing, sending, and the like, and is not particularly limited.
According to the vehicle-mounted OTA remote system provided by the embodiment of the invention, the vehicle-mounted data unit for processing the vehicle-mounted data is additionally arranged in the VOBC, so that the vehicle-mounted data is more efficiently transmitted to the OTA client through the OTA special network, and the efficiency and the stability of data transmission are improved.
On the basis of the above embodiment, the vehicle-mounted data unit includes a vehicle-mounted data acquisition module, a vehicle-mounted data storage module, and a vehicle-mounted data transmission module, wherein:
the vehicle-mounted data acquisition module is used for acquiring the vehicle-mounted data; specifically, the vehicle position information, the vehicle-mounted device operating state information, the state information of the interface, the communication printing information and the like can be included. The vehicle-mounted data storage module is used for summarizing and storing the acquired vehicle-mounted data. And the vehicle-mounted data sending module is used for sending the stored vehicle-mounted data to the OTA client.
according to the vehicle-mounted OTA remote system provided by the embodiment of the invention, the vehicle-mounted data acquisition module, the vehicle-mounted data storage module and the vehicle-mounted data sending module are used for respectively realizing the acquisition, storage and sending of the vehicle-mounted data, so that the efficiency and stability of data transmission are further improved.
on the basis of the above embodiment, the OTA client 2 is further configured to: and encrypting the differential packet data, and sending the encrypted differential packet data to the OTA cloud platform. The encryption algorithm is not particularly limited.
The vehicle-mounted OTA remote system provided by the embodiment of the invention further ensures the safety of data transmission by encrypting the differential packet data.
Fig. 2 is a flowchart of a method for uploading vehicle-mounted OTA data according to an embodiment of the present invention, and as shown in fig. 2, the embodiment of the present invention further provides a method for uploading vehicle-mounted OTA data by using the vehicle-mounted OTA remote system, where the method includes:
and sending the acquired vehicle-mounted data to the OTA client through the OTA private network by adopting the VOBC. Receiving the vehicle-mounted data by adopting the OTA client, performing differential packet manufacturing on the vehicle-mounted data, and sending differential packet data obtained after differential packet manufacturing to the OTA cloud platform; and receiving the differential packet data by adopting the OTA cloud platform, and performing data management on the differential packet data. Namely by the following sequence of steps: VOBC sends vehicle data; the OTA client carries out differential packet manufacturing on the vehicle-mounted data and sends differential packet data; and the OTA cloud platform performs data management on the differential packet data to realize remote data management on the vehicle-mounted data.
According to the vehicle-mounted OTA data uploading method provided by the embodiment of the invention, the vehicle-mounted data collected in the VOBC is sent to the OTA client through the OTA private network, then the OTA client performs differential packet manufacturing on the vehicle-mounted data, and the differential packet data is sent to the OTA cloud platform, so that the OTA cloud platform performs data management on the differential packet data, and the remote data management on the vehicle-mounted data can be efficiently realized.
on the basis of the above embodiment, the sending the acquired vehicle-mounted data to the OTA client by using the VOBC through the OTA private network includes:
And reading VOBC running data and an interface log in real time by adopting a vehicle-mounted data acquisition module in a vehicle-mounted data unit arranged in the VOBC so as to acquire the vehicle-mounted data. The VOBC operation data and the interface log can be read in real time during the running process of the train to acquire the vehicle-mounted data, which is not limited specifically. Collecting and storing the collected vehicle-mounted data by using a vehicle-mounted data collection module in the vehicle-mounted data unit; and sending the stored vehicle-mounted data to the OTA client by using a vehicle-mounted data sending module in the vehicle-mounted data unit, wherein the step of sending the stored vehicle-mounted data to the OTA client can be triggered once every time the vehicle-mounted data is stored in a certain space (such as 100 MB).
The vehicle-mounted OTA data uploading method provided by the embodiment of the invention respectively realizes the acquisition, storage and transmission of vehicle-mounted data, and further improves the efficiency and stability of data transmission.
On the basis of the embodiment, the OTA client is an industrial personal computer with an LTE communication function; correspondingly, the sending of the differential packet data obtained after the differential packet is manufactured to the OTA cloud platform includes:
And the industrial personal computer sends the differential packet data obtained after the differential packet is manufactured to industrial control equipment in an LTE mode so that the industrial control equipment forwards the differential packet data to the OTA cloud platform. Reference is made to the above description and no further description is made.
The vehicle-mounted OTA data uploading method provided by the embodiment of the invention realizes the transfer and transmission of the differential packet data to the OTA cloud platform, and improves the efficiency and stability of data transmission.
The vehicle-mounted OTA data uploading method provided by the embodiment of the present invention can be specifically used in the processing flow of the system embodiment, and the functions thereof are not described herein again, and reference may be made to the detailed description of the system embodiment.
Those of ordinary skill in the art will understand that: all or part of the steps for implementing the method embodiments may be implemented by hardware related to program instructions, and the program may be stored in a computer readable storage medium, and when executed, the program performs the steps including the method embodiments; and the aforementioned storage medium includes: various media that can store program codes, such as ROM, RAM, magnetic or optical disks.
the above-described embodiments are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.
through the above description of the embodiments, those skilled in the art will clearly understand that each embodiment can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware. With this understanding in mind, the above-described technical solutions may be embodied in the form of a software product, which can be stored in a computer-readable storage medium such as ROM/RAM, magnetic disk, optical disk, etc., and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the methods described in the embodiments or some parts of the embodiments.
finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the embodiments of the present invention, and are not limited thereto; although embodiments of the present invention have been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (8)
1. A vehicle-mounted OTA remote system is characterized by comprising a VOBC, a vehicle-mounted OTA client and an OTA cloud platform; wherein:
the VOBC is used for sending the acquired vehicle-mounted data to the OTA client through an OTA private network;
The OTA client is used for receiving the vehicle-mounted data, performing differential packet manufacturing on the vehicle-mounted data, and sending differential packet data obtained after the differential packet manufacturing to the OTA cloud platform;
And the OTA cloud platform is used for receiving the differential packet data and performing data management on the differential packet data.
2. The vehicle-mounted OTA remote system according to claim 1, wherein the OTA client is an industrial personal computer with an LTE communication function, and the industrial personal computer sends differential packet data obtained after differential packet manufacturing to industrial control equipment in an LTE mode so that the industrial control equipment forwards the differential packet data to the OTA cloud platform.
3. The OTA remote system of claim 1, wherein the VOBC is provided with a vehicle data unit for processing the vehicle data.
4. The on-vehicle OTA remote system of claim 3, wherein the on-vehicle data unit comprises an on-vehicle data acquisition module, an on-vehicle data storage module, and an on-vehicle data transmission module, wherein:
the vehicle-mounted data acquisition module is used for acquiring the vehicle-mounted data;
the vehicle-mounted data storage module is used for summarizing and storing the acquired vehicle-mounted data;
And the vehicle-mounted data sending module is used for sending the stored vehicle-mounted data to the OTA client.
5. the in-vehicle OTA remote system of claim 1, wherein the OTA client is further configured to:
And encrypting the differential packet data, and sending the encrypted differential packet data to the OTA cloud platform.
6. A method for in-vehicle OTA data upload using the in-vehicle OTA remote system of claim 1, wherein the method comprises:
Transmitting the acquired vehicle-mounted data to the OTA client through the OTA private network by adopting the VOBC;
Receiving the vehicle-mounted data by adopting the OTA client, performing differential packet manufacturing on the vehicle-mounted data, and sending differential packet data obtained after differential packet manufacturing to the OTA cloud platform;
and receiving the differential packet data by adopting the OTA cloud platform, and performing data management on the differential packet data.
7. The on-board OTA data uploading method of claim 6, wherein the sending the acquired on-board data to the OTA client via the OTA private network using the VOBC comprises:
A vehicle-mounted data acquisition module in a vehicle-mounted data unit arranged in the VOBC is adopted to read VOBC running data and an interface log in real time so as to acquire the vehicle-mounted data;
Collecting and storing the collected vehicle-mounted data by using a vehicle-mounted data collection module in the vehicle-mounted data unit;
And sending the stored vehicle-mounted data to the OTA client by using a vehicle-mounted data sending module in the vehicle-mounted data unit.
8. The on-vehicle OTA data uploading method of claim 7, wherein the OTA client is an industrial personal computer with LTE communication function; correspondingly, the sending of the differential packet data obtained after the differential packet is manufactured to the OTA cloud platform includes:
And the industrial personal computer sends the differential packet data obtained after the differential packet is manufactured to industrial control equipment in an LTE mode so that the industrial control equipment forwards the differential packet data to the OTA cloud platform.
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| CN112507459A (en) * | 2020-12-11 | 2021-03-16 | 交控科技股份有限公司 | Indoor test method and system for rail transit |
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Application publication date: 20191210 |