CN107450510A - A kind of signal resolution method using diagnostic signal fast positioning CAN signal - Google Patents
A kind of signal resolution method using diagnostic signal fast positioning CAN signal Download PDFInfo
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- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
- G05B23/0208—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterized by the configuration of the monitoring system
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Abstract
The present invention proposes a kind of signal resolution method using diagnostic signal fast positioning CAN signal, comprises the following steps：By diagnostic equipment connection to mark car diagnosis interface, to carrying out diagnosis request, record diagnosis signal to mark car；Reading communication CAN data are connected with communication CAN lines using CAN signal acquisition hardware, data on communication CAN are shown using CAN signal acquisition software, record CAN data；By the diagnostic signal of record and CAN data conversion formats；Diagnostic signal and effective cog region of all CAN signals in CAN data are determined, calculates effective cog region similarity；Effective cog region similarity and CAN signal are exported in the matrix form, the CAN signal in the matrix is verified by the order of effective cog region similarity from high to low, completes the positioning to CAN signal.This method is easy to operate, and arithmetic speed is high, applied widely.
Description
Technical field
The present invention relates to electric vehicle performance testing field, and in particular to one kind utilizes diagnostic signal fast positioning CAN signal
Signal resolution method.
Background technology
With flourishing for New-energy electric vehicle industry, international advanced new energy vehicle is carried out accurately test and
Evaluation is as one of main task of current automotive industry.Accurately and reliably signal acquisition can be each new energy of high quality test evaluation
Source vehicle provides basic guarantee.Than other approach obtain signal, communication CAN signal have high reliability, high-frequency, in real time
Property preferably etc. series of advantages.And with the continuous release of each advanced new energy vehicle, also to the ageing proposition of test evaluation
Higher requirement.It is thus as much as possible to obtain key signal from communication CAN, shorten the signal resolution cycle, to new energy
The test evaluation work of car has great importance.
At present, the parsing of in general CAN signal needs to observe the changing rule of message data on Trace interfaces, finds out and meets
The data field of signal intensity rule to be resolved, after verifying that signal is required signal in data field, then demarcate its coefficient and skew.On
State that technical requirement of the method to operating personnel is higher, and operating personnel there should be preferable data sensitive.Different operating personnel
It is also different to crack duration needed for signal.With new energy in-car portion CAN complication, the CAN data capacities in bus are larger, make
Into cumbersomeization of data field searching work.And due to Trace interface displays be hexadecimal or decimal data, and it is actual
Message signals are by binary array, therefore the variation characteristic of individual signal is likely difficult to observe.It is difficult to the key signal parsed not
Obtain and do not obtained by the diagnosis request method relatively easily realized.And not only frequency is relatively low for the signal that diagnosis please be obtained, it is sent out
The diagnosis message gone out or a certain degree of interference of normal communication progress to bus, even influence vehicle and normally transport under individual cases
OK.Therefore, CAN signal must be quick and precisely parsed, avoids the active demand that diagnosis request is current demand signal parsing work as far as possible.
The content of the invention
It is fast using diagnostic signal it is an object of the invention to provide one kind in order to overcome defect present in above-mentioned prior art
The signal resolution method of speed positioning CAN signal, this method is easy to operate, and arithmetic speed is high, applied widely.
In order to realize the above-mentioned purpose of the present invention, the invention provides one kind to utilize diagnostic signal fast positioning CAN signal
Signal resolution method, comprise the following steps：
S1, by diagnostic equipment connection to mark car diagnosis interface, to carrying out diagnosis request, record diagnosis signal to mark car；
S2, reading communication CAN data are connected with communication CAN lines using CAN signal acquisition hardware, gathered using CAN signal
Data on software display communication CAN, record CAN data；
S3, by the diagnostic signal of record and CAN data conversion formats；
S4, diagnostic signal and effective cog region of all CAN signals in CAN data are determined, it is similar to calculate effective cog region
Degree；
S5, effective cog region similarity and CAN signal are exported in the matrix form, the matrix includes the institute in prescribed limit
There are affiliated message ID, signal length, signal start bit, signal proportion coefficient, signal offset, data format, the number of CAN signal
According to type and diagnostic signal similarity；
S6, the CAN signal in the matrix is verified by the order of effective cog region similarity from high to low, completed
Positioning to CAN signal.
New energy car test and evaluation needed for key signal species it is more, and feature of the same signal on different cars is not yet
Together.Will necessarily be very cumbersome if carrying out lookup according to the feature of signal in itself, and versatility is not strong.And this method energy fast positioning
Go out the affiliated message of the CAN signal similar to diagnostic signal, start bit, signal length, coefficient skew, type of data format information,
It is as much as possible to obtain key signal from communication CAN so as to shorten the signal resolution cycle, avoid using diagnostic signal, reduce
Communication interference to vehicle.
Further, the CAN signal being positioned, which exists, stablizes state of value, and the state can exist repeatedly.Stationary value
Bound scope will be much smaller than signal value bound scope.
Further, the diagnostic signal varies to unstable with CAN packets containing the CAN signal being positioned from stationary value
Value, then the variation overall process of stationary value is varied to, what both recorded is the same variation overall process of CAN signal, and this can be more comprehensively
Positioning CAN signal.
Further, the diagnostic signal diagnostic equipment can with tracer signal under the conditions of by diagnostic equipment record obtain,
Diagnostic equipment is unable under the conditions of tracer signal, is asked by diagnosing, and changes obtaining by dbc files in the CAN data of record.Should
Method includes diagnostic equipment energy tracer signal and is unable to the acquisition methods of CAN data in the case of two kinds of tracer signal, and this is more comprehensively
Searched CAN signal so that positioning to CAN signal is more quick, accurate.
Further, the effectively cog region is a 2 dimensional region, and the 2 dimensional region is opened by signal value from stationary value
Beginning is changed to originate, and revert to time zone of the stationary value between termination, the value region between signal value and stationary value
Formed, this extracts the effective cog region of all CAN signals, avoids the problem of lookup has been omitted.
Further, the effectively cog region similarity includes time zone similarity and numerical value area similarity, time zone phase
Like degree by calculating diagnostic signal and the ratio of the effective cog region time zone span difference of CAN signal and diagnostic signal time span
Value, then subtract gained ratio with 100% and determine；Numerical value area similarity is by the way that diagnostic signal and CAN signal time zone are drawn
Divide identical number, the ratio between diagnostic signal and the average value of CAN signal in then calculating per a period, then calculate all
The standard deviation divided by average of relatives value of ratio, finally subtract income value with 100% and determine.
The object for calculating effective cog region similarity is all CAN signals in the CAN data of record, CAN signal and diagnosis
The effective cog region similarity of signal is higher, its be positioned CAN signal possibility it is higher.Effective cog region Similarity Measure
Method is simple, and accuracy is high, contributes to fast positioning CAN signal.
Further, step S5 includes following steps：
S5-1, a similarity circle point is formulated, all CAN signals of the similarity higher than this boundary's point are all screened；
Data format, the data type for the CAN signal that S5-2, judgement screen, calculating sifting come out the ratio of CAN signal
Example coefficient and skew；
S5-3, output result matrix, the specific message ID comprising belonging to all CAN signals filtered out, signal length position
Number, signal start bit, signal proportion coefficient, signal offset, data format, data type and diagnostic signal similarity.
The beneficial effects of the invention are as follows：
1. this method is parsed by the doubtful CAN signal data field of diagnostic signal fast positioning, output matrix containing CAN signal
All information needed for demarcation, accelerate the time of observation positioning signal region and signal scaling, so as to greatly shorten signal resolution week
Phase, it is beneficial to the ageing of new energy car test evaluation work.
2. the general frequency of diagnostic signal is low compared to communication CAN signal, and the acquisition process of diagnostic signal need to constantly send and examine
Disconnected request message, or a certain degree of interference is carried out to the normal communication of bus, vehicle is even influenceed under individual cases and is normally transported
OK.And this method seeking scope is all signals on communication CAN, be advantageous in the case of parsing work is difficult to promote with communication
CAN signal replaces diagnosis request signal, improves signal frequency, reduces the interference to bus communication.This method seeking scope is comprehensive,
Registration, be advantageous to communication CAN signal replaces diagnose request signal, to optimization characteristics of signals, reduce communicate interference have compared with
For positive effect.
3. because diagnostic signal and communication signal are not to correspond, being communicated when diagnostic signal be present may not have on CAN
The transmission of corresponding signal.Set more relaxed still without output result, and whole output results in the restrictive condition of program
Proved after checking in the case of not being required signal, can be first due to all CAN signals in this method thorough search CAN data
Step judges do not have sending for this signal on communication CAN, or signal has made encryption and caused to search failure.
The additional aspect and advantage of the present invention will be set forth in part in the description, and will partly become from the following description
Obtain substantially, or recognized by the practice of the present invention.
Brief description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become in the description from combination accompanying drawings below to embodiment
Substantially and it is readily appreciated that, wherein：
Fig. 1 is CAN signal and diagnostic signal feature schematic diagram；
Fig. 2 is the flow chart of this method；
Fig. 3 is to utilize diagnostic signal parsing engine rotational speed signal principle schematic.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, is only used for explaining the present invention, and is not considered as limiting the invention.
In the description of the invention, unless otherwise prescribed with limit, it is necessary to explanation, term " installation ", " connected ",
" connection " should be interpreted broadly, for example, it may be mechanical connection or electrical connection or the connection of two element internals, can
To be to be joined directly together, can also be indirectly connected by intermediary, for the ordinary skill in the art, can basis
Concrete condition understands the concrete meaning of above-mentioned term.
The invention provides a kind of signal resolution method using diagnostic signal fast positioning CAN signal, with reference to CAN signal
With the shape facility of corresponding diagnostic signal curve, as shown in figure 1, i.e. diagnostic equipment signal and be not added with coefficient skew CAN signal it is bent
Line not exclusively overlaps, and considers the operability of physical record data, screens the feasibility of signal algorithm, utilizes data processing
Software, program and diagnostic signal and all CAN signals are handled, positioning obtains both effective cog regions, and calculating both has
Imitate the similarity of cog region, the higher affiliated message ID of all CAN signals of output similarity, signal length, signal start bit, letter
Number proportionality coefficient, signal offset, data format, data type, with diagnostic signal similarity.Verified for next step and complete CAN
The parsing and demarcation of signal.Specifically, as shown in Fig. 2 comprise the following steps：
S1, using diagnostic equipment connection to mark car diagnosis interface, to carrying out diagnosis request, record diagnosis signal to mark car.Examine
Break signal diagnostic equipment can with tracer signal under the conditions of by diagnostic equipment record obtain, be unable to tracer signal condition in diagnostic equipment
Under, asked by diagnosing, change obtaining by dbc files in the CAN data of record.Specially diagnostic equipment sends diagnosis request
There is diagnostic signal in bus afterwards, diagnostic signal is compiled into dbc, record CAN data, the dbc is loaded in CANOE softwares again
Sending out signals.
S2, reading communication CAN data are connected with communication CAN lines using CAN signal acquisition hardware, gathered using CAN signal
Data on software display communication CAN, record CAN data.
S3, by the diagnostic signal of record and CAN data conversion formats.It is corresponding to be specially converted into data analyzing and processing software
Form after be read into the data analyzing and processing software progress step S4 and step S5.In numerous data analyzing and processing softwares
In, it can select but be not limited to using MATLAB processing, diagnostic signal is divided into the signal of diagnostic equipment record and is included in CAN
Two kinds of diagnostic signal in data, the signal of diagnostic equipment record does not have to format transformation mostly, for CAN data, in CANOE softwares
In save as ASC forms, then replicate the information stickups of needs and just complete form conversion in EXCEL or in txt file.
S4, diagnostic signal and effective cog region of all CAN signals in CAN data are determined, it is similar to calculate effective cog region
Degree.
Wherein, effective cog region is a 2 dimensional region, and by signal value, the variation since stationary value is the 2 dimensional region
Starting, revert to time zone of the stationary value between termination, and the value region between signal value and stationary value is formed.
The effectively cog region similarity includes time zone similarity and numerical value area similarity, and time zone similarity passes through meter
Calculate diagnostic signal and the effective cog region time zone span difference of CAN signal and the ratio of diagnostic signal time span, Ran Houyong
100%, which subtracts gained ratio, determines；Numerical value area similarity by diagnostic signal and CAN signal time zone by dividing identical part
Number, the ratio between diagnostic signal and the average value of CAN signal in every a period are then calculated, then calculate the standard of all ratios
Difference divided by average of relatives value, finally subtract income value with 100% and determine.
S5, effective cog region similarity and CAN signal are exported in the matrix form, the matrix is included in prescribed limit
The affiliated message ID of all CAN signals, signal length, signal start bit, signal proportion coefficient, signal offset, data format,
Data type and diagnostic signal similarity.
The step specifically includes following steps：
S5-1, a similarity circle point is formulated, all CAN signals of the similarity higher than this boundary's point are all screened.
Data format, the data type for the CAN signal that S5-2, judgement screen, calculating sifting come out the ratio of CAN signal
Example coefficient and skew.
Screening technique is：All possible data format, data type are searched into gained CAN signal sieve is verified by real vehicle
Choosing, if multiple results have some CAN signal, time zone and the higher number for the CAN signal of similarity in numerical value area
According to form, data type.If only a kind of data format, data type program output the signal, can directly determine
For the data format of the CAN signal, data type.A similarity circle point is formulated, time zone similarity is similar to numerical value area
The higher signal screening of degree comes out, and similarity circle point is specifically formulated without unified standard, depending on specific actual conditions.
S5-3 output result matrixes, the specific message ID comprising belonging to all CAN signals filtered out, signal length position
Number, signal start bit, signal proportion coefficient, signal offset, data format, data type and diagnostic signal similarity.As a result
All CAN signal information of matrix arrange according to the order of the CAN signal and the similarity of diagnostic signal from big to small.
S6, the CAN signal in the matrix is verified by the order of effective cog region similarity from high to low, completed
Positioning to CAN signal.
Verification method is that CANOE and diagnostic equipment are connected on real vehicle, and the position of CAN signal is incorporated into the loading of dbc files, become
The operating mode real time contrast real vehicle CAN signal value and the numerical value on diagnostic equipment are changed, whether unanimously to see, unanimously then represents to CAN signal
Positioning it is correct, it is inconsistent, then it is incorrect.
The CAN signal being positioned in this method has the state that stationary value be present, and the state can exist repeatedly, in stationary value
Lower range will be much smaller than signal value bound scope.Existing lexical or textual analysis card can be enumerated by down repeatedly：Engine speed is being shut down
When be 0, be stationary value, shutting down this state can enter repeatedly.If there are stationary value, but the feelings in certain signal in certain situation
Condition is very difficult to be reached, or even belongs to accidentalia, and this signal can not be repeatedly into stablizing state of value.
The diagnostic signal contains the CAN signal being positioned with CAN packets and varies to unstable value from stationary value, then changes
To the variation overall process of stationary value, what both recorded is the same variation overall process of CAN signal.
Wherein, the CAN signal in search program and the similarity of diagnostic signal and the CAN signal are to be positioned CAN signal
Possibility degree into positive correlation.
Specifically, by taking certain new energy car engine tach signal as an example, engine rotational speed signal is in engine off condition
There is stationary value 0, have the change value more than 0 in starting state, meet requirement of this method to resolved signal characteristic.This example utilizes
Diagnostic equipment tracer signal.Operation vehicle causes engine from shutting down to starting again to shutdown, while manually recorded vehicle " is starting
Diagnostic equipment signal and the CAN data of machine shutdown-engine start-engine shutdown " overall process, ensure both record datas as far as possible
Carry out simultaneously, it is allowed to which both records have a little deviation around time.
Refering to Fig. 3, the diagnostic equipment signal of record and CAN data are converted into the manageable EXCEL forms of MATLAB, and
After import MATLAB.Operation program is handled CAN signal all in diagnostic equipment signal, CAN data in MATLAB, fixed
Position signal value is changed since stationary value to originate, and signal value revert to time zone of the stationary value between termination, with signal
The 2 dimensional region that value region between value and stationary value is formed, extracts both effective cog regions.Then examined by calculating
Break signal and the effective cog region time zone span difference of CAN signal and the ratio of diagnostic signal time span, then subtracted with 100%
Gained ratio determines time zone similarity；By the way that diagnostic signal and CAN signal time zone are divided into equal parts, calculate every
The ratio between diagnostic signal and the average value of CAN signal in a period, the standard deviation divided by ratio for then calculating all ratios are put down
Average, income value finally is subtracted with 100%, obtain numerical value area similarity.Formulate similarity circle point, in the present embodiment, time zone
Similarity circle point is 90%, and numerical value area similarity circle point is 80%, and all CAN signals of the similarity higher than this boundary's point are all sieved
Elect.Data format, the data type of CAN signal screened is judged afterwards, and calculating sifting comes out the ratio of CAN signal
Coefficient and skew.Last output result array, contain message ID belonging to all CAN signals filtered out, signal length position
Number, signal start bit, signal proportion coefficient, signal offset, data format, data type and diagnostic signal similarity, and press
Arranged according to the order of similarity degree from high to low.This example has multiple doubtful signal outputs, same by similarity from high to low suitable
Sequence is verified one by one.It is proved to be required signal after this example similarity highest signal authentication.Through repeatedly checking is completed repeatedly, in program
Search and the required all information of engine rotational speed signal parsing demarcation have been obtained in obtained result array, that is, complete certain new energy
The parsing and demarcation of source car engine tach signal.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description
Point is contained at least one embodiment or example of the present invention.In this manual, to the schematic representation of above-mentioned term not
Necessarily refer to identical embodiment or example.Moreover, specific features, structure, material or the feature of description can be any
One or more embodiments or example in combine in an appropriate manner.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that：Not
In the case of departing from the principle and objective of the present invention a variety of change, modification, replacement and modification can be carried out to these embodiments, this
The scope of invention is limited by claim and its equivalent.
Claims (7)
- A kind of 1. signal resolution method using diagnostic signal fast positioning CAN signal, it is characterised in that：Comprise the following steps：S1, by diagnostic equipment connection to mark car diagnosis interface, to carrying out diagnosis request, record diagnosis signal to mark car；S2, reading communication CAN data are connected with communication CAN lines using CAN signal acquisition hardware, using CAN signal acquisition software Data on display communication CAN, record CAN data；S3, by the diagnostic signal of record and CAN data conversion formats；S4, diagnostic signal and effective cog region of all CAN signals in CAN data are determined, calculates effective cog region similarity；S5, effective cog region similarity and CAN signal are exported in the matrix form, the matrix includes all in prescribed limit The affiliated message ID of CAN signal, signal length, signal start bit, signal proportion coefficient, signal offset, data format, data Type and diagnostic signal similarity；S6, by the order of effective cog region similarity from high to low the CAN signal in the matrix is verified, completed pair The positioning of CAN signal.
- 2. the signal resolution method according to claim 1 using diagnostic signal fast positioning CAN signal, its feature exists In：The CAN signal being positioned, which exists, stablizes state of value, and the state can exist repeatedly.
- 3. the signal resolution method according to claim 1 using diagnostic signal fast positioning CAN signal, its feature exists In：The diagnostic signal contains the CAN signal being positioned with CAN packets and varies to unstable value from stationary value, then varies to steady The variation overall process of definite value, what both recorded is the same variation overall process of CAN signal.
- 4. the signal resolution method according to claim 1 using diagnostic signal fast positioning CAN signal, its feature exists In：The diagnostic signal diagnostic equipment can with tracer signal under the conditions of by diagnostic equipment record obtain, can not be recorded in diagnostic equipment Under signal conditioning, asked by diagnosing, change obtaining by dbc files in the CAN data of record.
- 5. the signal resolution method according to claim 1 using diagnostic signal fast positioning CAN signal, its feature exists In：The effectively cog region similarity includes time zone similarity and numerical value area similarity, and time zone similarity is examined by calculating Break signal and the effective cog region time zone span difference of CAN signal and the ratio of diagnostic signal time span, are then subtracted with 100% Gained ratio is gone to determine；Numerical value area similarity by diagnostic signal and CAN signal time zone by dividing identical number, then Calculate the standard deviation that per the ratio between diagnostic signal and the average value of CAN signal in a period, then calculates all ratios divided by Average of relatives value, finally subtract income value with 100% and determine.
- 6. the signal resolution method according to claim 1 using diagnostic signal fast positioning CAN signal, its feature exists In：The effectively cog region is a 2 dimensional region, and the 2 dimensional region is changed to originate since stationary value by signal value, returned Time zone of the stationary value between termination is grouped into, the value region between signal value and stationary value is formed.
- 7. the signal resolution method according to claim 1 using diagnostic signal fast positioning CAN signal, its feature exists In：Step S5 includes following steps：S5-1, a similarity circle point is formulated, all CAN signals of the similarity higher than this boundary's point are all screened；Data format, the data type for the CAN signal that S5-2, judgement screen, calculating sifting come out the ratio system of CAN signal Number and skew；S5-3, output result matrix, the specific message ID comprising belonging to all CAN signals filtered out, signal length digit, letter Number start bit, signal proportion coefficient, signal offset, data format, data type, with diagnostic signal similarity.
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108803572A (en) * | 2018-06-27 | 2018-11-13 | 深圳市元征科技股份有限公司 | A kind of automobile communication data positioning method, system, device |
| CN109581999A (en) * | 2018-11-05 | 2019-04-05 | 中国航空工业集团公司西安飞机设计研究所 | A kind of aircraft utilities system busway status data processing method |
| CN109660437A (en) * | 2018-12-26 | 2019-04-19 | 洛阳智能农业装备研究院有限公司 | A kind of CAN message analytic method based on Matlab |
| CN110162008A (en) * | 2019-05-10 | 2019-08-23 | 中国汽车技术研究中心有限公司 | A kind of new energy vehicle CAN bus analytic method |
| CN111045416A (en) * | 2019-12-19 | 2020-04-21 | 中国汽车技术研究中心有限公司 | Method and device for analyzing CAN (controller area network) signal of whole vehicle by using diagnosis message |
| CN113569106A (en) * | 2021-06-16 | 2021-10-29 | 东风汽车集团股份有限公司 | CAN data identification method, device and equipment |
| CN114531312A (en) * | 2020-11-23 | 2022-05-24 | 财团法人资讯工业策进会 | Vehicle data analysis device and vehicle data analysis method thereof |
| CN115202325A (en) * | 2022-07-12 | 2022-10-18 | 深圳市道通智能汽车有限公司 | Vehicle bus data analysis method and electronic equipment |
| CN115826558A (en) * | 2022-11-23 | 2023-03-21 | 中汽院新能源科技有限公司 | Diagnostic signal analysis method based on VehiclesPY |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103970110A (en) * | 2014-05-27 | 2014-08-06 | 盛瑞传动股份有限公司 | CAN (Controller Area Network) analytical method, device and system |
| CN104156565A (en) * | 2014-07-21 | 2014-11-19 | 北京航天发射技术研究所 | System state analysis method and analysis device based on offline CAN bus data |
| CN105242532A (en) * | 2015-08-20 | 2016-01-13 | 魏宇 | Adaptive protocol analysis method of car remote start control system |
| CN106096036A (en) * | 2016-06-27 | 2016-11-09 | 厦门中云创电子科技有限公司 | The data analysis method of a kind of CAN BUS bus and system |
| CN106155036A (en) * | 2015-04-07 | 2016-11-23 | 深圳市体数科科技有限公司 | A kind of automotive diagnostic system, system and method |
-
2017
- 2017-06-28 CN CN201710507722.XA patent/CN107450510B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103970110A (en) * | 2014-05-27 | 2014-08-06 | 盛瑞传动股份有限公司 | CAN (Controller Area Network) analytical method, device and system |
| CN104156565A (en) * | 2014-07-21 | 2014-11-19 | 北京航天发射技术研究所 | System state analysis method and analysis device based on offline CAN bus data |
| CN106155036A (en) * | 2015-04-07 | 2016-11-23 | 深圳市体数科科技有限公司 | A kind of automotive diagnostic system, system and method |
| CN105242532A (en) * | 2015-08-20 | 2016-01-13 | 魏宇 | Adaptive protocol analysis method of car remote start control system |
| CN106096036A (en) * | 2016-06-27 | 2016-11-09 | 厦门中云创电子科技有限公司 | The data analysis method of a kind of CAN BUS bus and system |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108803572A (en) * | 2018-06-27 | 2018-11-13 | 深圳市元征科技股份有限公司 | A kind of automobile communication data positioning method, system, device |
| CN109581999A (en) * | 2018-11-05 | 2019-04-05 | 中国航空工业集团公司西安飞机设计研究所 | A kind of aircraft utilities system busway status data processing method |
| CN109581999B (en) * | 2018-11-05 | 2021-06-01 | 中国航空工业集团公司西安飞机设计研究所 | Method for processing state data of power distribution channel of aircraft electromechanical system |
| CN109660437B (en) * | 2018-12-26 | 2021-05-04 | 洛阳智能农业装备研究院有限公司 | Matlab-based CAN message analysis method |
| CN109660437A (en) * | 2018-12-26 | 2019-04-19 | 洛阳智能农业装备研究院有限公司 | A kind of CAN message analytic method based on Matlab |
| CN110162008A (en) * | 2019-05-10 | 2019-08-23 | 中国汽车技术研究中心有限公司 | A kind of new energy vehicle CAN bus analytic method |
| CN111045416B (en) * | 2019-12-19 | 2020-10-30 | 中国汽车技术研究中心有限公司 | Method and device for analyzing CAN (controller area network) signal of whole vehicle by using diagnosis message |
| CN111045416A (en) * | 2019-12-19 | 2020-04-21 | 中国汽车技术研究中心有限公司 | Method and device for analyzing CAN (controller area network) signal of whole vehicle by using diagnosis message |
| CN114531312A (en) * | 2020-11-23 | 2022-05-24 | 财团法人资讯工业策进会 | Vehicle data analysis device and vehicle data analysis method thereof |
| CN114531312B (en) * | 2020-11-23 | 2024-04-30 | 财团法人资讯工业策进会 | Vehicle data analysis device and vehicle data analysis method thereof |
| CN113569106A (en) * | 2021-06-16 | 2021-10-29 | 东风汽车集团股份有限公司 | CAN data identification method, device and equipment |
| CN113569106B (en) * | 2021-06-16 | 2023-10-13 | 东风汽车集团股份有限公司 | CAN data identification method, device and equipment |
| CN115202325A (en) * | 2022-07-12 | 2022-10-18 | 深圳市道通智能汽车有限公司 | Vehicle bus data analysis method and electronic equipment |
| CN115826558A (en) * | 2022-11-23 | 2023-03-21 | 中汽院新能源科技有限公司 | Diagnostic signal analysis method based on VehiclesPY |
| CN115826558B (en) * | 2022-11-23 | 2023-09-19 | 中汽院新能源科技有限公司 | Diagnostic signal analysis method based on VehicleSPY |
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