CN104216390B - Device and method for calibrating electronic control units of automobiles on basis of CCP [CAN (controller area network) calibration protocol] - Google Patents
Device and method for calibrating electronic control units of automobiles on basis of CCP [CAN (controller area network) calibration protocol] Download PDFInfo
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Abstract
The invention provides a method for calibrating electronic control units of automobiles on the basis of a CCP [CAN (controller area network) calibration protocol]. The method includes reading current S19 files in first memories and explicitly writing mapping addresses and initial values of various implicitly stored calibration parameters into a second S19 files; parsing the second S19 files, acquiring the mapping addresses and the initial values of the various calibration parameters, calibrating the to-be-calibrated electronic control units of the automobiles in an online manner after calibration commands are received, and acquiring calibration parameter values which are calibrated in the online manner; replacing the initial values of the various calibration parameters in the current S19 files in the first memories by the various calibration parameter values which are calibrated in the online manner. The method has the advantages that the complexity of a system for calibrating the ECU (electronic control units) of the automobiles can be reduced, and the production cost and the labor cost can be lowered.
Description
Technical field
The present invention relates to technical field of automobile electronic control, more particularly to it is a kind of based on CCP agreements（CAN
Calibration Protocol, CAN demarcates agreement）Vehicle electronic control unit caliberating device and method.
Background technology
In Automobile Design and manufacture process, it is often necessary to the step of being demarcated.Described demarcation herein refers to basis
The performance requirements of vehicle complete vehicle：Such as dynamic property, economy and discharge, is controlled and economically optimum as mesh with reaching
Mark, to vehicle electronic control unit（Electronic Control Unit, ECU）Operation and parameter be adjusted, optimize
Process.CAN demarcates agreement（CCP）It is that agreement is demarcated based on CAN, because it provides standardized interface, improves demarcation
The versatility and practicality of system.
At this stage two kinds of on-line proving and off-line calibration are divided into based on the demarcation of CCP, their difference is the mistake demarcated
Whether it is connected with the ECU being currently running in journey, and on-line proving according to the real-time running state of system because can accurately be adjusted,
Its calibration result is more accurate and is widely used.
In the art, each storage one in flash memory FLASH and random access memory ram usually by calibrating parameters
Part, form an address mapping relation at both.When calibrating procedure normally runs, it reads calibrating parameters from FLASH, enters
During row on-line proving, scalar quantity is read in corresponding position of the calibrating procedure from corresponding RAM.Because the data in RAM are easy to
Real time modifying, therefore the calibrating parameters in RAM can use caliberating device（Such as, matching and calibration instrument）Carried out by the communication of CAN
Modification, so as to realize calibration process.Concrete implementation method has the following two kinds：
One, address of cache is realized by software：When writing calibrating procedure and writing, calibrating parameters are accessed using pointer,
It is every to be related to what scalar quantity was called, by extra code process, set the demarcation that pointer is respectively directed in FLASH and RAM
Parameter, reach realize demarcate when can between FLASH and RAM calibrating parameters free switching purpose.But, inventor is implementing
Find when of the invention, the shortcoming of existing this method is obvious, need to determine that calibrating parameters in programming, and need to increase
Corresponding code process, workload is especially big.Particularly, if code is by auto-building model（Given birth to automatically based on model
Method into code is extremely popularized）, then the demand of CCP has been adapted to since cannot passing through modification code.
Two, by using the single-chip microcomputer for supporting to carry out address of cache automatically：In this caliberating device, work as calibrating parameters
When being copied to after RAM from FLASH, and starting to demarcate, single-chip microcomputer will take location address and switch to RAM by FLASH automatically, thus may be used
Calibration process can be achieved with the code process that need not write extra.This method advantage is that programming amount is less and suitable for being based on
The code of auto-building model, but the inventors discovered that, this method equally exists weak point：It depends on single-chip microcomputer
Support, but only have minority single-chip microcomputer to realize this expanded function at this stage；In addition, this implementation high cost.
The content of the invention
The technical problem to be solved is, there is provided a kind of vehicle electronic control unit based on CCP agreements
Caliberating device and method, it is easily achieved, and low cost.
In order to solve above-mentioned technical problem, the one side of the embodiment of the present invention provides a kind of automobile electricity based on CCP agreements
The scaling method of sub-control unit, comprises the steps：
The current S19 files in first memory are read, each demarcation ginseng of recessive storage in the current S19 files is obtained
Number mapping address and initial value, one the 2nd S19 is write by each calibrating parameters mapping address and initial value in dominant mode
In file, wherein the mapping address is the storage address in a second memory, wherein, the 2nd S19 files face for one
The S19 files of Shi Shengcheng, it is dropped after the completion of demarcation；
The 2nd S19 files are parsed, each calibrating parameters institute's mapping address and initial value is obtained, by each demarcation
The initial value of parameter is stored in the second memory in corresponding storage address, after demarcation order is received, by described
Second memory is operated to carry out vehicle electronic control unit to be calibrated on-line proving process, is obtained through online mark
The fixed calibrating parameters value for processing；
The initial value of each calibrating parameters in the current S19 files in the first memory is replaced with into described process
Line demarcates each calibrating parameters value for processing.
Wherein, the first memory is flash memory FLASH, and the second memory is random access memory ram.
Wherein, further include：
It is in advance the corresponding mapping address of each calibrating parameters distribution and initial value.
Wherein, the current S19 files read in first memory, obtain recessive storage in the current S19 files
The corresponding mapping address of each calibrating parameters and initial value, by the corresponding mapping address of each calibrating parameters and initial value with aobvious
The step of mode of property writes a 2nd S19 files is specially：
The mapping address of each calibrating parameters mapping is obtained from " copy_table " field of the current S19 files
And initial value, and the end that the 2nd S19 files are write in dominant mode.
Wherein, the initial value of each calibrating parameters in the current S19 files by the first memory is replaced with
It is described to be specially the step of each calibrating parameters value that on-line proving is processed：
By writing script, each calibrating parameters value processed through on-line proving is written back into into the current S19 literary
In " copy_table " field of part, to replace the initial value of corresponding each calibrating parameters.
Correspondingly, a kind of another aspect of the present invention, there is provided the demarcation dress of vehicle electronic control unit based on CCP agreements
Put, including：
S19 file compilation units, for reading first memory in current S19 files, obtain described current | S19 is literary
The corresponding mapping address of each calibrating parameters and initial value of recessive storage in part, by the corresponding mapping address of each calibrating parameters
Write in one the 2nd S19 files in dominant mode with initial value, wherein the mapping address is depositing in a second memory
Storage address, wherein, the 2nd S19 files are the interim S19 files for generating, and it is dropped after the completion of demarcation；
Matching and calibration unit, for parsing the 2nd S19 files, obtains the mapping ground corresponding to each calibrating parameters
Location and initial value, the initial value of each calibrating parameters is stored in storage address corresponding in the second memory,
After receiving demarcation order, by being operated to the second memory to carry out to vehicle electronic control unit to be calibrated
Line demarcation is processed, and obtains the calibrating parameters value processed through on-line proving；
S19 file updating blocks, by the initial value of each calibrating parameters in the current S19 files in the first memory
Replace with each calibrating parameters value processed through on-line proving.
Wherein, the first memory is flash memory FLASH, and the second memory is random access memory ram.
Wherein, further include：
Setting unit, for being in advance the corresponding mapping address of each calibrating parameters distribution, and initial value.
Wherein, the S19 files compilation unit obtains described from " copy_table " field of the current S19 files
The mapping address and initial value of each calibrating parameters, and the end that the 2nd S19 files are write in dominant mode.
Wherein, the matching and calibration unit is further included：
Parsing subelement, for parsing the 2nd S19 files, obtains described each from the end of the 2nd S19 files
Mapping address and initial value corresponding to calibrating parameters；
Read-write subelement, it is described for the initial value for parsing described each calibrating parameters that subelement is obtained to be stored in
In second memory in corresponding storage address；
Subelement is demarcated, after demarcation order is received, by being operated the second memory with to be calibrated
Vehicle electronic control unit carries out on-line proving process, obtains the calibrating parameters value processed through on-line proving.
Wherein, further include：
Communication unit, it is connected with vehicle electronic control unit by CAN, for vehicle electronic control unit it
Between communicated by CCP agreements.
Implement the present invention, with following beneficial effect：
The storage address and initial value of calibrating parameters is with S19 files in the embodiment of the present invention（Current S19 files）Form
In being stored in flash memory, when being demarcated, can be by the initial of the calibrating parameters in real time modifying random access memory
Value, it is possible to the calibrating parameters value in current S19 files is updated according to result, loaded down with trivial details address of cache in prior art is eliminated
Step, only by writing make files and script, you can to complete calibration process and realize preserving, and be not in that data are being fallen
The situation lost when electric；
The present invention only needs little programming amount in programming, and does not rely on single-chip microcomputer, greatly reduces exploitation and demarcation expense
With so as to reduce cost.
Description of the drawings
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, may be used also
To obtain other accompanying drawings according to these accompanying drawings.
Fig. 1 is that a kind of structure of the caliberating device of vehicle electronic control unit based on CCP agreements that the present invention is provided is shown
It is intended to；
Fig. 2 is a kind of main flow of the scaling method of vehicle electronic control unit based on CCP agreements that the present invention is provided
Journey schematic diagram.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than the embodiment of whole.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
As shown in figure 1, showing a kind of vehicle electronic control unit based on CCP agreements in one enforcement of the present invention
Caliberating device.It can be seen that the caliberating device 1 includes：
First memory 12, it is nonvolatile memory, is in the present embodiment flash memory（FLASH）, it is deposited
A S19 files are contained, lower to be referred to as current S19 files, in this prior recessiveness is stored with the mapping ground of each calibrating parameters in S19 files
Location and initial value, wherein, mapping address is the storage address in a second memory, and the second memory 15 is random access memory
RAM, in one embodiment, the mapping address and initial value of each calibrating parameters are stored in the " copy_ of current S19 files
In table " fields, because in the prior art, " copy_table " field default storage of S19 files is depositing for FLASH
Storage address, therefore the mapping address that existing matching and calibration instrument cannot be recognized accurately in current S19 files is random access memory
（RAM）Storage address, therefore need current S19 files are processed accordingly；
S19 files compilation unit 13, for reading first memory 12 in current S19 files, obtain current S19 files
The corresponding mapping address of each calibrating parameters and initial value of middle recessive storage, by the mapping address and initial value of each calibrating parameters with
Dominant mode is write in one the 2nd S19 files, specifically, " copy_ of the S19 files compilation unit from current S19 files
The mapping address and initial value of each calibrating parameters are obtained in table " fields, and is write to the end of the 2nd S19 files；
Matching and calibration unit 14, for parsing the 2nd S19 files that S19 files compilation unit 13 is generated, obtains each mark
Determine mapping and the initial value of parameter, the initial value of each calibrating parameters is stored in into storage address corresponding in second memory 15
（That is mapping address）In, and after demarcation order is received, by being operated to second memory 15 with to automobile to be calibrated electricity
Sub-control unit 2 carries out on-line proving process, obtains the calibrating parameters value processed through on-line proving, specifically, matching and calibration
Unit 14 is by operation（Such as read, change）The initial value of each calibrating parameters, mark is matched with to this in random access memory ram
Each correspondence parameter of the demarcation vehicle electronic control unit 2 to be calibrated that order unit 14 is connected is demarcated（Read or change etc.）；
S19 files updating block 18, by the initial value of each calibrating parameters in the current S19 files in first memory 12
The each calibrating parameters value processed through on-line proving that matching and calibration unit 14 is obtained is replaced with, specifically, will be through online
Corresponding each calibrating parameters is first in current S19 files " copy_table " field of each calibrating parameters value replacement that demarcation is processed
Initial value, is updated to the current S19 files；
Communication unit 16, it is connected with vehicle electronic control unit 2 to be calibrated by CAN, for it is to be calibrated
Vehicle electronic control unit 2 between communicated by CCP agreements.
The caliberating device 1 is further included：
Setting unit 10, for being in advance each calibrating parameters allocation map address and initial value.
Specifically, the matching and calibration unit 14 is further included：
Parsing subelement 140, for parsing the 2nd S19 files that S19 files compilation unit 13 is generated, from this second
The end of S19 files obtains the mapping address and initial value corresponding to each calibrating parameters；
Read-write subelement 142, the initial value of each calibrating parameters for parsing subelement 140 to be obtained is stored in second and deposits
Corresponding storage address in reservoir 15（I.e. corresponding mapping address）In；
Subelement 144 is demarcated, after demarcation order is received, by being operated second memory 15 with to be calibrated
Vehicle electronic control unit 2 carries out on-line proving process（For example, second memory 15 is read a certain or some calibrating parameters first
Initial value is demarcated to vehicle electronic control unit 2 to be calibrated, or as needed second memory 15 is a certain or some are marked
Determine the initial value of parameter carries out demarcating, etc. to the corresponding calibrating parameters of vehicle electronic control unit 2 to be calibrated）, passed through
The calibrating parameters value that on-line proving is processed.
In the next electrifying startup of caliberating device 1, i.e., the " copy_ of current S19 files that can be in first memory 12
The calibrating parameters value of each parameter Jing after last on-line proving is processed is read in the field of table ", using as this demarcation
Calibrating parameters initial value, so as to start this on-line proving process.
It is understood that the S19 files being previously mentioned are generated by Freescale CodeWarrior compilers
Suffix entitled " .S19 " program file, it can may be referred to existing skill with data storage and data address, more details
To the introduction of S19 files in art.
As shown in Fig. 2 showing a kind of vehicle electronic control unit based on CCP agreements in one embodiment of the present of invention
Scaling method main flow schematic diagram.It can be seen that the scaling method of the present invention mainly includes the steps：
Step S20, caliberating device and vehicle electronic control unit to be calibrated are carried out being attached by CAN,
To the caliberating device electrifying startup；Now, the current S19 files stored in first memory FLASH are read, from the current S19
The corresponding mapping address of each calibrating parameters and initial value of recessive storage are obtained in " copy_table " field of file, by each mark
Determine the end that the corresponding mapping address of parameter and initial value write one the 2nd S19 files in dominant mode, wherein, mapping address
For the storage address in a second memory, the second memory 15 is random access memory ram；2nd S19 files face for one
The S19 files of Shi Shengcheng, it can be dropped after the completion of demarcation；Specifically, the process for generating the 2nd S19 files can lead to
Cross and write a make files to be automatically obtained.
Step S22, parses the 2nd S19 files, obtains reflecting corresponding to each calibrating parameters of the 2nd S19 files end
Address and initial value are penetrated, the initial value of each calibrating parameters is stored in into storage address corresponding in the second memory（Reflect
Penetrate address）In, after demarcation order is received, by being operated to second memory with to Vehicle Electronic Control list to be calibrated
Unit carries out on-line proving process, obtains the calibrating parameters value processed through on-line proving, described herein that second memory is carried out
A certain or some calibrating parameters initial value during operation is included to second memory is modified, to change automobile to be calibrated
Corresponding calibrating parameters value in electronic control unit.
Step S24, each calibrating parameters value processed through on-line proving that previous step is obtained, in replacing first memory
The initial value of each calibrating parameters, that is, update the current S19 files in first memory, specifically, by writing script, will pass through
Each calibrating parameters value that on-line proving is processed is written back in " copy_table " field of the current S19 files, right to replace
The initial value of each calibrating parameters answered.
It is understood that in the programming of software, need in advance for the corresponding mapping address of each calibrating parameters distribution with
And initial value, and a step need not be carried out during the on-line proving below.
What deserves to be explained is, existing matching and calibration instrument may only recognize the data of dominant storage in S19 files, and
One memorizer（FLASH）In in current S19 files the corresponding mapping address of each calibrating parameters and initial value be recessive storage, therefore
Need these data of recessive storage to add in the way of dominant storage into the 2nd S19 files, calibration tool just can be known
The data of dominant storage in other 2nd S19 files.The operation can automatically process it by writing script, e.g., in current S19
Field in file is the region that acquiescence preserves FLASH addresses in " copy_table ", is multiplexed with each calibrating parameters of preservation
Corresponding mapping address（Address ram）And initial value etc.；By the parsing of " copy_table " to current S19 files,
Obtain each calibrating parameters, and the end of the 2nd S19 files is added in the way of dominant storage, the 2nd S19 for so being formed is literary
Part will enable matching and calibration instrument that each mark of these dominant storages is obtained by the 2nd S19 files suitable for matching and calibration instrument
Determine the corresponding mapping address of parameter（Address ram）And initial value, so as to carry out operation realization using these parameters and to RAM
Calibration process.
In the present invention, not directly using corresponding in each calibrating parameters of the dominant storage in the end of current S19 files
Mapping address and initial value, are based on following consideration：Because current S19 files are a kind of compilers for passing through checking,
It is except for also other functions in addition to being demarcated（For example directly allow ECU to run etc.）If, in current S19 files end
It is dominant to store the corresponding mapping address of each calibrating parameters and initial value, the structure of current S19 files can be changed, it is firstly the need of increasing
Plus one compilation process twice, can improve in addition the risk of program error.And deposit using the 2nd provisional S19 file is dominant
Storing up the corresponding mapping address of each calibrating parameters and initial value, and the 2nd S19 files are abandoned after demarcation can reduce the risk.
Because each calibrating parameters value processed through on-line proving is written back in current S19 files, and current S19 files
It is stored in non-volatile flash memory（First memory）In, even if power down above-mentioned parameter value also will not lose, in mark
When determining device electrifying startup next time, i.e., in the field of " copy_table " in current S19 files that can be in the first memory
At the beginning of reading calibrating parameters of the calibrating parameters value of each parameter Jing after last on-line proving is processed as this calibration process
Initial value, so as to start this on-line proving process.
Implement the present invention, have the advantages that：
Embodiment of the invention discloses that a kind of method that CCP on-line proving functions are realized on vehicle electronic control unit
And device, it simply to the vehicle electronic control unit of volume production can carry out on-line proving very, greatly reduce production cost
And human cost；
The storage address and initial value of calibrating parameters is with S19 files in the embodiment of the present invention（Current S19 files）Form
In being stored in flash memory, when being demarcated, can be by the initial of the calibrating parameters in real time modifying random access memory
Value, it is possible to the calibrating parameters value in current S19 files is updated according to result, loaded down with trivial details address of cache in prior art is eliminated
Step, only by writing make files and script, you can to complete calibration process and realize preserving, and be not in that data are being fallen
The situation lost when electric；
The present invention only needs little programming amount in programming, and does not rely on single-chip microcomputer, greatly reduces exploitation and demarcation expense
With so as to reduce cost.
It is understood that one of ordinary skill in the art will appreciate that realizing the whole in above-described embodiment method or portion
Split flow, can be by computer program to instruct the hardware of correlation to complete, and described program can be stored in a computer
In read/write memory medium, the program is upon execution, it may include such as the flow process of the embodiment of above-mentioned each method.Wherein, it is described
Storage medium can be magnetic disc, CD, read-only memory（Read-Only Memory, ROM）Or random access memory
（Random Access Memory, RAM）Deng.
Above disclosed is only a kind of preferred embodiment of the invention, can not limit the power of the present invention with this certainly
Sharp scope, therefore the equivalent variations made according to the claims in the present invention, still belong to the scope that the present invention is covered.
Claims (11)
1. a kind of scaling method of the vehicle electronic control unit based on CCP agreements, it is characterised in that comprise the steps：
The current S19 files in first memory are read, each calibrating parameters for obtaining recessive storage in the current S19 files reflect
Address and initial value are penetrated, each calibrating parameters mapping address and initial value are write into one the 2nd S19 files in dominant mode
In, wherein the mapping address is the storage address in a second memory, wherein, the 2nd S19 files are one interim raw
Into S19 files, it is dropped after the completion of demarcation；
The 2nd S19 files are parsed, each calibrating parameters institute's mapping address and initial value is obtained, by each calibrating parameters
Initial value be stored in the second memory in corresponding storage address, receive demarcate order after, by described second
Memorizer is operated to carry out vehicle electronic control unit to be calibrated on-line proving process, is obtained at on-line proving
The calibrating parameters value of reason；
The initial value of each calibrating parameters in the current S19 files in the first memory is replaced with described through online mark
The fixed each calibrating parameters value for processing.
2. a kind of scaling method of the vehicle electronic control unit based on CCP agreements as claimed in claim 1, its feature exists
In the first memory is flash memory FLASH, and the second memory is random access memory ram.
3. a kind of scaling method of the vehicle electronic control unit based on CCP agreements as described in claim into 1, its feature exists
In further including：
It is in advance the corresponding mapping address of each calibrating parameters distribution and initial value.
4. a kind of scaling method of the vehicle electronic control unit based on CCP agreements as claimed in claim 1, its feature exists
In the current S19 files read in first memory obtain each demarcation ginseng of recessive storage in the current S19 files
The corresponding mapping address of number and initial value, the corresponding mapping address of each calibrating parameters and initial value are write in dominant mode
The step of entering a 2nd S19 files is specially：
The mapping address and just of each calibrating parameters mapping is obtained from " copy_table " field of the current S19 files
Initial value, and the end that the 2nd S19 files are write in dominant mode.
5. a kind of scaling method of the vehicle electronic control unit based on CCP agreements as claimed in claim 4, its feature exists
In the initial value of each calibrating parameters in the current S19 files by the first memory replaces with described process
The step of line demarcates each calibrating parameters value for processing is specially：
By writing script, each calibrating parameters value processed through on-line proving is written back into into the current S19 files
In " copy_table " field, to replace the initial value of corresponding each calibrating parameters.
6. a kind of caliberating device of the vehicle electronic control unit based on CCP agreements, it is characterised in that include：
S19 file compilation units, for reading first memory in current S19 files, obtain hidden in the current S19 files
Property storage the corresponding mapping address of each calibrating parameters and initial value, will the corresponding mapping address of each calibrating parameters and initially
Value is write in one the 2nd S19 files in dominant mode, wherein the mapping address is the storage address in a second memory,
Wherein, the 2nd S19 files are the interim S19 files for generating, and it is dropped after the completion of demarcation；
Matching and calibration unit, for parsing the 2nd S19 files, obtain mapping address corresponding to each calibrating parameters and
Initial value, the initial value of each calibrating parameters is stored in storage address corresponding in the second memory, is being received
After demarcating order, by being operated to the second memory to be marked online to vehicle electronic control unit to be calibrated
It is fixed to process, obtain the calibrating parameters value processed through on-line proving；
S19 file updating blocks, the initial value of each calibrating parameters in the current S19 files in the first memory is replaced
For each calibrating parameters value processed through on-line proving.
7. a kind of caliberating device of the vehicle electronic control unit based on CCP agreements as claimed in claim 6, its feature exists
In the first memory is flash memory FLASH, and the second memory is random access memory ram.
8. a kind of caliberating device of the vehicle electronic control unit based on CCP agreements as claimed in claim 7, its feature exists
In further including：
Setting unit, for being in advance the corresponding mapping address of each calibrating parameters distribution, and initial value.
9. a kind of caliberating device of the vehicle electronic control unit based on CCP agreements as claimed in claim 8, its feature exists
In the S19 files compilation unit obtains each calibrating parameters from " copy_table " field of the current S19 files
Mapping address and initial value, and the end that the 2nd S19 files are write in dominant mode.
10. a kind of caliberating device of the vehicle electronic control unit based on CCP agreements as claimed in claim 9, its feature exists
In the matching and calibration unit is further included：
Parsing subelement, for parsing the 2nd S19 files, from the end of the 2nd S19 files each demarcation is obtained
Mapping address and initial value corresponding to parameter；
Read-write subelement, the initial value of the described each calibrating parameters for the parsing subelement to be obtained is stored in described second
In memorizer in corresponding storage address；
Subelement is demarcated, after demarcation order is received, by being operated the second memory with to automobile to be calibrated
Electronic control unit carries out on-line proving process, obtains the calibrating parameters value processed through on-line proving.
The caliberating device of 11. vehicle electronic control units based on CCP agreements as described in any one of claim 6-10, it is special
Levy and be, further include：
Communication unit, it is connected with vehicle electronic control unit by CAN, for leading between vehicle electronic control unit
Cross CCP agreements to be communicated.
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| CN201310208620.XA CN104216390B (en) | 2013-05-30 | 2013-05-30 | Device and method for calibrating electronic control units of automobiles on basis of CCP [CAN (controller area network) calibration protocol] |
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| CN108170117B (en) * | 2017-11-24 | 2020-12-15 | 宁波兴为汽车电子有限公司 | Method and system for automatically identifying and distributing vehicle-mounted module parameters |
| CN110244958B (en) * | 2018-03-09 | 2024-04-19 | 法雷奥汽车内部控制（深圳）有限公司 | Method and device for updating calibration data of a vehicle |
| CN109656607A (en) * | 2019-01-03 | 2019-04-19 | 广西玉柴机器股份有限公司 | A kind of full address scaling method that supporting super large nominal data amount and system |
| CN110632909B (en) * | 2019-09-29 | 2021-01-15 | 潍柴动力股份有限公司 | Method and equipment for detecting reasonability of back-checking MAP data |
| CN113050589B (en) * | 2021-03-05 | 2022-06-03 | 东软睿驰汽车技术（沈阳）有限公司 | Method, device and equipment for calibrating vehicle ECU (electronic control Unit) parameters |
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