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 PDFInfo
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- 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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- packet parsing
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- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000004891 communication Methods 0.000 claims description 15
- 241000208340 Araliaceae Species 0.000 claims description 2
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 claims description 2
- 235000003140 Panax quinquefolius Nutrition 0.000 claims description 2
- 235000008434 ginseng Nutrition 0.000 claims description 2
- 230000006978 adaptation Effects 0.000 abstract description 2
- 230000006855 networking Effects 0.000 abstract description 2
- 230000006399 behavior Effects 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 241001269238 Data Species 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/18—Multiprotocol handlers, e.g. single devices capable of handling multiple protocols
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L12/40006—Architecture of a communication node
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L2012/40208—Bus networks characterized by the use of a particular bus standard
- H04L2012/40215—Controller Area Network CAN
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L2012/40267—Bus for use in transportation systems
- H04L2012/40273—Bus 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
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)
- 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. 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. 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. according to the method for claim 1, it is characterised in that the database is DBC files.
- 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. 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. 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. 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.
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Cited By (9)
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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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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 |
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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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