CN107465695A - A kind of method and system based on dynamic data base updating CAN analytic parameters - Google Patents

A kind of method and system based on dynamic data base updating CAN analytic parameters Download PDF

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Publication number
CN107465695A
CN107465695A CN201710858780.7A CN201710858780A CN107465695A CN 107465695 A CN107465695 A CN 107465695A CN 201710858780 A CN201710858780 A CN 201710858780A CN 107465695 A CN107465695 A CN 107465695A
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CN
China
Prior art keywords
packet parsing
database
application packet
application
cloud platform
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710858780.7A
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Chinese (zh)
Inventor
束伟
朱新军
杨洪坪
成加光
方星
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yangzhou Hangsheng Technology Co Ltd
Original Assignee
Yangzhou Hangsheng Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Yangzhou Hangsheng Technology Co Ltd filed Critical Yangzhou Hangsheng Technology Co Ltd
Priority to CN201710858780.7A priority Critical patent/CN107465695A/en
Publication of CN107465695A publication Critical patent/CN107465695A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/18Multiprotocol handlers, e.g. single devices capable of handling multiple protocols
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00Data switching networks
    • H04L12/28Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/40Bus networks
    • H04L12/40006Architecture of a communication node
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network arrangements or protocols for supporting network services or applications
    • H04L67/01Protocols
    • H04L67/12Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00Data switching networks
    • H04L12/28Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/40Bus networks
    • H04L2012/40208Bus networks characterized by the use of a particular bus standard
    • H04L2012/40215Controller Area Network CAN
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00Data switching networks
    • H04L12/28Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/40Bus networks
    • H04L2012/40267Bus for use in transportation systems
    • H04L2012/40273Bus for use in transportation systems the transportation system being a vehicle

Abstract

The invention discloses a kind of method and system based on dynamic data base updating CAN analytic parameters in car networking field, including the database for storing CAN application packet parsing parameters, CAN application messages are parsed using the CAN application packet parsing parameter lists in database, after the completion of database has and updates and successfully download, the CAN application packet parsing parameter lists in new database are compared with the CAN application packet parsing parameter lists in the initial data base stored;CAN application packet parsing parameter lists are updated after the completion of comparison, the CAN application packet parsing parameter lists after renewal will be used to parse CAN application messages after system restarting;The possibility that same vehicle-mounted T Box terminal adaptations different automobile types or later stage TSP cloud platform are realized for user's driving behavior analysis can be achieved in the present invention.

Description

A kind of method and system based on dynamic data base updating CAN analytic parameters
Technical field
The present invention relates to car networking field, more particularly to a kind of automobile wireless communications applications field.
Background technology
New-energy automobile is the Hot spots for development in future automobile field, and for the consideration of secure context, automobile is all to need to lead to Cross the backstage progress data monitoring that wireless communication module Telematic-Box (abbreviation T-Box below) is connected to depot or country Communication, back-end data differentiation is uploaded when occurring facing with a series of different automobile types, or the signal kinds of background monitoring, signal number When amount has newly increased requirement, current way is mostly directly to upgrade T-Box program firmware, is either entered by traditional approach Pedestrian's work upgrading or by way of pushing firmware upgrade backstage, all in the presence of such as workload is huge, escalation policy management is answered After miscellaneous, upgrading a series of problems, such as T-Box performance verifications.
The content of the invention
The present invention provides a kind of method and system based on dynamic data base updating CAN analytic parameters, by cloud platform to The more new file of vehicle-mounted T-box push CAN application packet parsing databases is updated to CAN application packet parsing parameters, letter Change by solving uploading having differences of platform data with a series of different automobile types to T-box program firmware upgrade The problems such as complex upgrading strategy.
The object of the present invention is achieved like this, a kind of method that CAN analytic parameters are updated based on database file dynamic, Including the database for storing CAN application packet parsing parameters, CAN application packet parsing parameter initial data bases are deposited Storage, is parsed using the CAN application packet parsing parameter lists in the database to CAN application messages, when database has renewal And after the completion of successfully downloading, by the CAN application packet parsing parameter lists in new database and the initial data base of storage CAN application packet parsing parameter lists are compared, and CAN application packet parsing parameter lists will be updated after the completion of comparison, treat system The CAN application packet parsing parameter lists after renewal will be used to parse CAN application messages after restarting.
In order to realize that TSP cloud platforms for user's driving behavior analysis, will pass through CAN applications message solution in initial data base The signal data that analysis parameter list parsing CAN applications message obtains is sent to cloud platform, will pass through the CAN application message solutions after renewal The new signal data that analysis parameter list parsing CAN applications message obtains are sent to cloud platform by Dynamic Data Items.
Newly-increased signal is identified in order to facilitate TSP cloud platforms and is classified, and the Dynamic Data Items include signal name and signal Data value.
As a further improvement on the present invention, database is DBC files.
It is a further object of the invention to provide in a kind of method according to dynamic data base updating CAN analytic parameters The system used, the system include embedded onboard T-box, CAN and cloud platform, and the vehicle-mounted T-box includes channel radio Believe module, memory module and micro controller module, the vehicle-mounted T-box is communicated by wireless communication module with cloud platform, described The database of CAN application packet parsing parameters is stored in memory module, the micro controller module carries out logic control, database Compare simultaneously undated parameter table.
In order to realize that TSP cloud platforms will be by initial data base for user's driving behavior analysis, wireless communication module The signal data that CAN application packet parsings parameter list parsing CAN applications message obtains is sent to cloud platform, after by renewal The new signal data that CAN application packet parsings parameter list parsing CAN applications message obtains are sent to cloud by Dynamic Data Items and put down Platform.
Compared with prior art, the beneficial effects of the present invention are:Simplify and upload back-end data with a series of different automobile types During having differences, by the complex upgrading flow of the program firmware upgrade to T-box, only pass through backstage push DBC form texts Part just can fast realize purpose, greatly increase depot for same vehicle-mounted T-Box terminal adaptations different automobile types and later stage TSP backstages The possibility realized for user's driving behavior analysis.
Brief description of the drawings
Fig. 1 is the renewal schematic flow sheet of CAN applications packet parsing parameter of the present invention.
Fig. 2 is signal upload schematic diagram caused by CAN applications packet parsing of the present invention and parsing.
Fig. 3 is the system architecture diagram of the present invention.
Embodiment
The present invention is further described below in conjunction with the accompanying drawings.
As shown in figure 1, the initial data base of storage CAN application packet parsing parameters, is applied using the CAN in the database Packet parsing parameter list parses to CAN application messages, after the completion of downloading when database update and successfully, by new database In CAN application packet parsing parameter lists with store initial data base in CAN application packet parsing parameter lists be compared, New CAN application packet parsing parameter lists are obtained, specific comparison process is the DBC file formats defined according to Vector companies CAN application packet parsing parameters are read one by one, the CAN application packet parsing parameter lists in newly downloaded database are obtained, by the CAN Using the primary data of the CAN application packet parsing parameter lists of the DBC forms stored in packet parsing parameter list and memory module Storehouse is compared, and CAN application packet parsing parameter lists will be updated after the completion of comparison.
More preferably, CAN applications packet parsing parameter database is the DBC files by Vector Software Creates.DBC texts Part content format example, it is as follows:
VERSION ""
NS_ :
NS_DESC_
CM_
BA_DEF_
BA_
VAL_
CAT_DEF_
CAT_
FILTER
BA_DEF_DEF_
EV_DATA_
ENVVAR_DATA_
SGTYPE_
SGTYPE_VAL_
BA_DEF_SGTYPE_
BA_SGTYPE_
SIG_TYPE_REF_
VAL_TABLE_
SIG_GROUP_
SIG_VALTYPE_
SIGTYPE_VALTYPE_
BO_TX_BU_
BA_DEF_REL_
BA_REL_
BA_DEF_DEF_REL_
BU_SG_REL_
BU_EV_REL_
BU_BO_REL_
BS_:
BU_: Engine Gateway
BO_ 100 EngineData: 8 Engine
SG_ PetrolLevel : 24|8@1+ (1,0) [0|255] "l" Gateway
SG_ EngPower : 48|16@1+ (0.01,0) [0|150] "kW" Gateway
SG_ EngForce : 32|16@1+ (1,0) [0|0] "N" Gateway
SG_ IdleRunning : 23|1@1+ (1,0) [0|0] "" Gateway
SG_ EngTemp : 16|7@1+ (2,-50) [-50|150] "degC" Gateway
SG_ EngSpeed : 0|16@1+ (1,0) [0|8000] "rpm" Gateway
More preferably, initial CAN applications packet parsing parameter database is built in embedded software system.
As shown in Fig. 2 CAN transmits the car body information of collection, embedded software by the form of CAN application messages The CAN application packet parsing parameter initial data bases of some built-in version in part, the database are to pass through Vector Software Creates DBC database files, acquiescence do not update DBC database files in the case of, be all by the initial DBC database files Signal resolution parameter obtain signal data parsing CAN applications message and upload to cloud platform, if DBC database files are sent out After the completion of life updates and successfully downloaded, by the CAN application packet parsing parameter lists in new database and the primary data of storage CAN application packet parsing parameter lists in storehouse are compared, and specific comparison process is the DBC texts defined according to Vector companies Part form reads CAN application packet parsing parameters one by one, obtains the CAN application packet parsing parameter lists in newly downloaded database, By the first of the CAN application packet parsing parameter lists of the DBC forms stored in the CAN application packet parsing parameter lists and memory module Beginning database, which compares, obtains new CAN application packet parsing parameter lists, the CAN after will using renewal after system restarting CAN application messages are parsed using packet parsing parameter list, CAN applications packet parsing parameter in initial data base will be passed through The signal data that parsing CAN applications message obtains is sent to cloud platform, will be parsed by new CAN applications packet parsing parameter list The new signal data that CAN applications message obtains are sent to cloud platform by Dynamic Data Items, and Dynamic Data Items include signal name And signal data value.
The system used in method according to power dynamic data base updating CAN analytic parameters as shown in Figure 3, including insertion The vehicle-mounted T-box of formula, CAN module and cloud platform, vehicle-mounted T-box include wireless communication module, memory module and micro controller module, Vehicle-mounted T-box is communicated by wireless communication module with cloud platform, and the data of CAN application packet parsing parameters are stored in memory module Storehouse, micro controller module carries out logic control, database compares and undated parameter table.
Microcontroller carries out logic control, database compares and the detailed process of undated parameter table is, when database has more When new, the CAN application packet parsing parameter databases of renewal, new CAN applications packet parsing parameter database are downloaded from cloud platform Store in a storage module, after the completion of new database download, by the CAN application packet parsing parameter lists in new database and just CAN application packet parsing parameter lists in beginning database are compared, the CAN application packet parsing parameter lists after being updated, CAN application messages are parsed using the CAN application packet parsing parameter lists after renewal, wireless communication module will be by initial The signal data that CAN applications packet parsing Parameter analysis of electrochemical CAN applications message obtains in database is sent by wireless communication module To cloud platform, the new signal data obtained by new CAN applications packet parsing Parameter analysis of electrochemical CAN applications message are passed through into dynamic number Cloud platform is sent to according to item.
More preferably, it is contemplated that data upload the functions of retransmission on backstage, memory module(NV-RAM)To use memory capacity big SD storage cards or external flash.
More preferably, vehicle-mounted T-box uses the embedded microcontroller of 32 reduced instruction set computers.
During present invention work, embedded onboard T-box terminals have the embedded microcontroller of 32 reduced instruction set computers, deposited Store up module, wireless communication module, vehicle-mounted T-box can depth read automobile CAN-bus data, CAN module can adopt by bus Collection is such as:Real-time speed, distance travelled, car door car light state, battery tension, electrokinetic cell voltage, electrokinetic cell electric current, motor The information such as target torque, location track, establish CAN applications packet parsing ginseng database, the file system of embedded software system In some built-in version CAN application packet parsing parameter initial data bases, and by CAN application packet parsing parameter primary datas Library storage is in memory module NV-RAM, by the CAN application packet parsing parameters in initial data base to being adopted by CAN The information of collection is parsed, and obtains signal data, and the signal data is transferred into cloud platform by wireless communication module, when in need In the case of updating background monitoring data list or similar demand, the CAN application message parameters after renewal are downloaded from cloud platform Database, after the completion of new database is downloaded, by the CAN application packet parsing parameter lists in new database and initial data base CAN application packet parsing parameter lists are compared, the CAN application packet parsing parameter lists after being updated, system restarting Afterwards, CAN application messages are parsed using the CAN application packet parsing parameter lists after renewal, will be answered by the CAN after renewal The new signal data obtained with packet parsing parameter list parsing CAN applications message are sent to cloud platform by Dynamic Data Items.
The invention is not limited in above-described embodiment, on the basis of technical scheme disclosed by the invention, the skill of this area Art personnel are according to disclosed technology contents, it is not necessary to which performing creative labour can makes one to some of which technical characteristic A little to replace and deform, these are replaced and deformation is within the scope of the present invention.

Claims (8)

  1. A kind of 1. method based on dynamic data base updating CAN analytic parameters, it is characterised in that including for storing CAN applications The database of packet parsing parameter, CAN application messages are solved using the CAN application packet parsing parameter lists in database Analysis, after the completion of database has and updates and successfully download, by the CAN application packet parsing parameter lists in new database and storage Initial data base in CAN application packet parsing parameter lists be compared;CAN applications packet parsing ginseng is updated after the completion of comparison Number table, the CAN application packet parsing parameter lists after renewal will be used to solve CAN application messages after system restarting Analysis.
  2. 2. according to the method for claim 1, it is characterised in that will be joined by CAN applications packet parsing in initial data base The signal data that number table parsing CAN applications message obtains is sent to cloud platform.
  3. 3. method according to claim 1 or 2, it is characterised in that the CAN application packet parsing parameters after renewal will be passed through The new signal data that table parsing CAN applications message obtains are sent to cloud platform by Dynamic Data Items.
  4. 4. according to the method for claim 1, it is characterised in that the database is DBC files.
  5. 5. according to the method for claim 3, it is characterised in that the Dynamic Data Items include signal name and signal data Value.
  6. 6. what is used in the method for the dynamic data base updating CAN analytic parameters according to any one of Claims 1 to 5 is System, it is characterised in that including embedded onboard T-box, CAN module and cloud platform, the vehicle-mounted T-box includes radio communication mold Block, memory module and micro controller module, the vehicle-mounted T-box are communicated by wireless communication module with cloud platform, the storage The database of CAN application packet parsing parameters is stored in module, the micro controller module carries out logic control, database compares And undated parameter table.
  7. 7. system according to claim 6, it is characterised in that the wireless communication module will be by initial data base The signal data that CAN application packet parsings parameter list parsing CAN applications message obtains is sent to cloud platform.
  8. 8. the system according to claim 6 or 7, it is characterised in that the wireless communication module will pass through the CAN after renewal The new signal data obtained using packet parsing parameter list parsing CAN applications message are sent to cloud platform by Dynamic Data Items.
CN201710858780.7A 2017-09-21 2017-09-21 A kind of method and system based on dynamic data base updating CAN analytic parameters Pending CN107465695A (en)

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CN108600192A (en) * 2018-04-03 2018-09-28 南京越博动力系统股份有限公司 A kind of DBC document analysis and message analysis method based on regular expression
CN109649304A (en) * 2018-11-22 2019-04-19 广州亚美信息科技有限公司 A kind of method, equipment and the system of long-range control vehicle
CN110113237A (en) * 2019-02-22 2019-08-09 北京车和家信息技术有限公司 Message input method and message output method
CN111083030A (en) * 2019-12-25 2020-04-28 南京领行科技股份有限公司 Data acquisition method, device, equipment and storage medium
CN111464413A (en) * 2020-04-01 2020-07-28 北京四维智联科技有限公司 Adaptation method of Internet of vehicles signal and related device
JP2021516802A (en) * 2018-08-21 2021-07-08 グーグル エルエルシーGoogle LLC Expandable mapping for vehicle system buses
CN113179195A (en) * 2021-04-28 2021-07-27 重庆长安汽车股份有限公司 CAN message embedded point detection method, system, device and computer readable storage medium
CN115495133A (en) * 2022-11-17 2022-12-20 达芬骑动力科技(北京)有限公司 DBC dynamic self-adaptive updating method and device, electronic equipment and storage medium
CN116560697A (en) * 2023-07-06 2023-08-08 上海鉴智其迹科技有限公司 DBC database synchronization method, device, electronic equipment and readable storage medium

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Cited By (16)

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Publication number Priority date Publication date Assignee Title
CN108600192A (en) * 2018-04-03 2018-09-28 南京越博动力系统股份有限公司 A kind of DBC document analysis and message analysis method based on regular expression
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US11405234B2 (en) 2018-08-21 2022-08-02 Google Llc Extensible mapping for vehicle system buses
JP7068455B2 (en) 2018-08-21 2022-05-16 グーグル エルエルシー Expandable mapping for vehicle system buses
JP2021516802A (en) * 2018-08-21 2021-07-08 グーグル エルエルシーGoogle LLC Expandable mapping for vehicle system buses
CN109649304A (en) * 2018-11-22 2019-04-19 广州亚美信息科技有限公司 A kind of method, equipment and the system of long-range control vehicle
CN110113237A (en) * 2019-02-22 2019-08-09 北京车和家信息技术有限公司 Message input method and message output method
CN110113237B (en) * 2019-02-22 2022-04-19 北京车和家信息技术有限公司 Message input method and message output method
CN111083030B (en) * 2019-12-25 2021-12-10 南京领行科技股份有限公司 Data acquisition method, device, equipment and storage medium
CN111083030A (en) * 2019-12-25 2020-04-28 南京领行科技股份有限公司 Data acquisition method, device, equipment and storage medium
CN111464413B (en) * 2020-04-01 2022-03-15 北京四维智联科技有限公司 Adaptation method of Internet of vehicles signal and related device
CN111464413A (en) * 2020-04-01 2020-07-28 北京四维智联科技有限公司 Adaptation method of Internet of vehicles signal and related device
CN113179195A (en) * 2021-04-28 2021-07-27 重庆长安汽车股份有限公司 CAN message embedded point detection method, system, device and computer readable storage medium
CN115495133A (en) * 2022-11-17 2022-12-20 达芬骑动力科技(北京)有限公司 DBC dynamic self-adaptive updating method and device, electronic equipment and storage medium
CN116560697A (en) * 2023-07-06 2023-08-08 上海鉴智其迹科技有限公司 DBC database synchronization method, device, electronic equipment and readable storage medium
CN116560697B (en) * 2023-07-06 2023-09-15 上海鉴智其迹科技有限公司 DBC database synchronization method, device, electronic equipment and readable storage medium

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