CN109204193A - A kind of method and system of quick identification vehicle signal and parameter - Google Patents
A kind of method and system of quick identification vehicle signal and parameter Download PDFInfo
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- CN109204193A CN109204193A CN201811189586.5A CN201811189586A CN109204193A CN 109204193 A CN109204193 A CN 109204193A CN 201811189586 A CN201811189586 A CN 201811189586A CN 109204193 A CN109204193 A CN 109204193A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
- B60R16/0231—Circuits relating to the driving or the functioning of the vehicle
- B60R16/0232—Circuits relating to the driving or the functioning of the vehicle for measuring vehicle parameters and indicating critical, abnormal or dangerous conditions
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Abstract
The present invention provides the methods of a kind of quickly identification vehicle signal and parameter, wherein described method includes following steps: being connected using CAN box with the CAN bus of automobile and/or IN line, acquires body of a motor car data；Collected body of a motor car data are filtered；Body of a motor car data remaining after filtering are analyzed, the information such as left/right rotation information and the speed of vehicle are pin-pointed to.The beneficial effect is that vehicle body CAN data can be acquired by CAN box, after being pin-pointed to the left/right rotation information and vehicle speed information of vehicle, so that it may easily the equipment such as ADAS or DMS are passed information to, to realize advanced driving auxiliary.Model data library can be set simultaneously, so that other users be facilitated directly to be downloaded matching.
Description
Technical field
The present invention relates to automobile technical field more particularly to a kind of quick identification vapour applied to automatic driving demand
The method and system of vehicle signal and parameter.
Background technique
(advanced driving assistance system) products such as current many rear dress ADAS or DMS require the signal of acquisition vehicle body
And parameter, combine the resource of itself to carry out a series of analysis and calculating collected signal and parameter, and result is shown
To driver, driver can be allowed to discover potential danger in the most fast time, whole driving process is allowed to become more safe.
Since left and right rotaring signal and speed are the indispensable parameters of the products such as ADAS or DMS.But there is numerous signals on automobile
How parameter is quickly pin-pointed to the left/right rotation information and vehicle speed information of vehicle, exactly realizes advanced driving assistance system
Key point.
Summary of the invention
For current all automobiles, typically left and right rotaring signal walks IN line, and speed walks GPS.Or left and right transfers CAN
(full name is " ControllerAreaNetwork ", i.e. controller LAN to bus, is that most widely used scene is total in the world
One of line.Initially, CAN is designed as the communication of the microcontroller in automotive environment, between vehicle-mounted each electronic control unit ECU
Information is exchanged, electronic control network of automobile is formed), speed walks GPS.
So the present invention provides a kind of quickly identification vehicle signal and parameters in order at least solve existing technical problem
Method, wherein described method includes following steps:
It is connected using CAN box with the CAN bus of automobile and/or IN line, acquires body of a motor car data；
Collected body of a motor car data are filtered；
Body of a motor car data remaining after filtering are analyzed, the left/right rotation information and speed letter of vehicle are pin-pointed to
Breath.
The beneficial effect is that vehicle body CAN data can be acquired by CAN box.Use CAN data transmit-receive tool
USB-CAN, the CANH of USB-CAN is connected with vehicle body CANH, and the CANL of USB-CAN is connected with vehicle body CANL, so that it may real
Existing data collection task.After filter and analyze, after being pin-pointed to the left/right rotation information and vehicle speed information of vehicle,
The equipment such as ADAS or DMS can be easily passed information to, to realize advanced driving auxiliary.
In some embodiments, the specific method of left/right rotation information analysis:
Data twice are acquired, the case where only collecting in collection process twice one time is removed；
Remove the very few situation of message number；
It is very few to remove periodicity, the excessive data of period distances error；
Right-hand rotation data are seldom 0 data when removal is turned left；
Left-hand rotation data are seldom 0 data when removal is turned right；
Permutation and combination is carried out to remaining possible data, user manual verification determines which information used.
The beneficial effect is that because vehicle can not turn left and turn right simultaneously, it, can when information is accurately positioned
Right-hand rotation data are seldom 0 data when removing；Left-hand rotation data are seldom 0 data when removal is turned right；To realize essence
The positioning of true left/right rotation information.
In some embodiments, the specific method of vehicle speed data analysis:
Remove the very few message of total message number number；
It is not 0 message under removal halted state；
Remove the excessive message of message error amount；
Remove the excessive data of the error of three different sampled points calculated in proportion；
Remaining data are ranked up, user manual verification determines which information used.
The beneficial effect is that because speed is that affirmative is 0, so not being 0 under removal halted state under halted state
Message, so that it may quickly get rid of a large amount of noise datas, accelerate to be accurately positioned.
In some embodiments, the method collected body of a motor car data being filtered are as follows:
Outside filtering: have on collected data significantly interfere with or on acquisition data there may be the outsides centainly influenced
Situation is first once filtered；
Static filtering: in the case where stationary vehicle, the data filtering of variation is fallen.
The beneficial effect is that because left/right rotation data and vehicle speed data are all no variation in the case where stationary vehicle
, so more noise datas can be filtered out, be preferably pin-pointed to by external filtering and static filtering.
In some embodiments, by the left/right rotation information and vehicle speed information of the vehicle navigated to and the type information of vehicle
It is matched, establishes model data library, obtained for the CAN box of other users.
The beneficial effect is that after being provided with model data library, so that it may model data library information be uploaded onto the server, had
Special auditor audits model data library, and the model data library can be opened to all clients after the approval
It uses.Client only needs by downloading to the model data library with oneself vehicle match in CAN box.
Meanwhile the present invention also provides a kind of nonvolatile computer storage media, it is stored with computer executable program,
The method that the computer executable program is used to execute a kind of quickly identification vehicle signal and parameter as described above, storage are situated between
Matter includes but is not limited to ROM, RAM, common hard disc, USB flash disk or floppy disk.
The beneficial effect is that, it is only necessary to it can be used for storing corresponding program, can will be held accordingly by storage medium
After line program stores, easily corresponding executable program can will be installed in CAN box, to quickly identify
The left and right rotaring signal and speed signal of automobile.
Meanwhile the invention also discloses the systems of a kind of quickly identification vehicle signal and parameter, wherein including CAN box,
CAN bus, host computer；
The CAN box is connected with the CAN bus of automobile, and the CAN box is configured to acquisition body of a motor car data；
The host computer is configured to, and is filtered to collected body of a motor car data；And to automobile remaining after filtering
Vehicle body data are analyzed, and the left/right rotation information and vehicle speed information of vehicle are pin-pointed to.
The beneficial effect is that can accurately navigate to the left/right rotation information of vehicle by the cooperation of CAN box and host computer
And vehicle speed information, to realize that final intelligence auxiliary drives.
In some embodiments, the equipment such as the CAN box and the ADAS or DMS communicate to connect, the CAN box with
It is communicated between the equipment such as the ADAS or DMS by bus communication or RS232, the CAN box is by the left/right rotation of vehicle
Information and vehicle speed information pass to the equipment such as ADAS or DMS.
The beneficial effect is that can accurately navigate to the left/right rotation information of vehicle by the cooperation of CAN box and host computer
And vehicle speed information realizes that final intelligence auxiliary drives so that corresponding information is passed to the equipment such as ADAS or DMS.
In some embodiments, further include model data library, the model with vehicle is stored in the model data library
The left/right rotation information and vehicle speed information of the associated vehicle that matches of information, the CAN box and model data library communication link
It connects.
The beneficial effect is that after being provided with model data library, so that it may model data library information is uploaded onto the server or
Person is that have special auditor to audit model data library in cloud, after the approval the model data library
It is open to be used to all clients.Client only needs by downloading to the model data library with oneself vehicle match in CAN box
?.As user is more and more, model data library also can be more and more, can cover all vehicles substantially.
Meanwhile the invention also discloses the systems of a kind of quickly identification vehicle signal and parameter, wherein including CAN box, IN
Line, host computer are connected between the CAN box and the vehicle body of automobile switch and vehicle body sensor by IN line,
The CAN box is configured to acquire body of a motor car data by IN line；
The host computer is configured to be filtered collected body of a motor car data；And to Automobile remaining after filtering
Body data are analyzed, and the left/right rotation information and vehicle speed information of vehicle are pin-pointed to.
The beneficial effect is that the corresponding signal if there is some vehicles can not obtain in CAN bus, then IN can be walked
Line.Data collection task is realized by IN line.After filter and analyze, it is pin-pointed to the left/right rotation information of vehicle
After vehicle speed information, so that it may easily the equipment such as ADAS or DMS are passed information to, to realize advanced driving auxiliary.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is this hair
Bright some embodiments for those of ordinary skill in the art without creative efforts, can be with root
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the flow chart for the method that one kind that one embodiment of the invention provides quickly identifies vehicle signal and parameter；
Fig. 2 is the principle of the system for the method that one kind that one embodiment of the invention provides quickly identifies vehicle signal and parameter
Figure
Fig. 3 is the flow chart of the specific method for the left/right rotation information analysis that one embodiment of the invention provides；
Fig. 4 is the flow chart of the specific method for the vehicle speed data analysis that one embodiment of the invention provides.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without creative efforts, shall fall within the protection scope of the present invention.
A kind of quickly method of identification vehicle signal and parameter provided in an embodiment of the present invention is able to solve above-mentioned technology and asks
At least one or more in topic.
It is as shown in Figure 1 the method for a kind of quickly identification vehicle signal and parameter, wherein the method includes walking as follows
It is rapid:
S101: being connected using CAN box with the CAN bus of automobile and/or IN line, and body of a motor car data are acquired；
S102: collected body of a motor car data are filtered；
S103: analyzing body of a motor car data remaining after filtering, be pin-pointed to vehicle left/right rotation information and
Vehicle speed information.
Vehicle body CAN data can be acquired by CAN box.Using CAN data transmit-receive tool USB-CAN, by USB-
The CANH of CAN is connected with vehicle body CANH, and the CANL of USB-CAN is connected with vehicle body CANL, so that it may realize that data acquire work
Make.After filter and analyze, after being pin-pointed to the left/right rotation information and vehicle speed information of vehicle, so that it may convenient
The equipment such as ADAS or DMS are passed information to, to realize advanced driving auxiliary.
Meanwhile as shown in Fig. 2, the invention also discloses the systems of a kind of quickly identification vehicle signal and parameter, wherein packet
Include CAN box 14, CAN bus 11, host computer 12.
The CAN box 14 is connected with the CAN bus 11 of automobile, and the CAN box 14 is configured to acquisition body of a motor car data；
The host computer 12 is configured to, and is filtered to collected body of a motor car data；And to vapour remaining after filtering
Vehicle vehicle body data are analyzed, and the left/right rotation information and vehicle speed information of vehicle are pin-pointed to.
By the cooperation of CAN box 14 and host computer 12, the left/right rotation information and speed letter of vehicle can be accurately navigated to
Breath, to realize that final intelligence auxiliary drives.
In general, the equipment 15 such as the CAN box 14 and described ADAS or DMS communicate to connect, the CAN box 14 with it is described
It is communicated between the equipment such as ADAS or DMS 15 by bus communication or RS232, the CAN box 14 is by the left/right rotation of vehicle
Information and vehicle speed information pass to the equipment such as ADAS or DMS 15.
By the cooperation of CAN box and host computer, the left/right rotation information and vehicle speed information of vehicle can be accurately navigated to, from
And corresponding information is passed into the equipment such as ADAS or DMS, realize that final intelligence auxiliary drives.
Meanwhile the present invention can also include model data library, be stored in the model data library and believe with the model of vehicle
The left/right rotation information and vehicle speed information of the associated vehicle that matches of breath, the CAN box and the model data library communicate to connect.
Behind model data library, so that it may model data library information is uploaded onto the server either in cloud,
There is special auditor to audit model data library, the model data library can be opened to all visitors after the approval
Family uses.Client only needs by downloading to the model data library with oneself vehicle match in CAN box.As user gets over
Come more, model data library also can be more and more, can cover all vehicles substantially.
Meanwhile the system that one kind of the invention quickly identifies vehicle signal and parameter, it can also include IN line 16.Specifically
Including CAN box 11, IN line 16, host computer 12, pass through between the vehicle body switch and vehicle body sensor 13 of the CAN box 12 and automobile
IN line 16 is connected,
The CAN box 14 is configured to acquire body of a motor car data by IN line 16；
The host computer is configured to be filtered collected body of a motor car data；And to Automobile remaining after filtering
Body data are analyzed, and the left/right rotation information and vehicle speed information of vehicle are pin-pointed to.
If there is the corresponding signal of some vehicles can not obtain in CAN bus, then IN line can be walked.It is real by IN line
Existing data collection task.After filter and analyze, after being pin-pointed to the left/right rotation information and vehicle speed information of vehicle,
The equipment such as ADAS or DMS 15 can be easily passed information to, to realize advanced driving auxiliary.
Specifically, as shown in figure 3, left/right rotation information analysis the specific method is as follows:
ACC is opened in instruction, but not start engine, closes turn signal；
Left steering lamp is beaten in prompt, and detects the CAN data under left turn state；
The CAN data under left/right rotation state are not beaten in detection；
Right turn lamp is played in prompt, and detects the CAN data under right turn state；
The data that numerical value changes under removal stationary state；
The data that removal is not matched to for the first time；
Remove message number less data；
Remove that periodicity is less and the biggish data of circular error；
When removal is turned left, corresponding value of turning right seldom is 0 data；
When removal is turned right, corresponding value of turning left seldom is 0 data；
Sort out the possible data of left/right rotation, if a data all do not have, can prompt starting engine, again into
The primary matching of row；
Permutation and combination is carried out to the possible data result of left/right rotation；
List the three kinds of combinations that can be verified；
It successively verifies, if unanimously, carrying out the speed matching of next step, if it is inconsistent, restarting, using IN
Line is obtained.
Because vehicle can not turn left and turn right simultaneously, when information is accurately positioned, when can remove left-hand rotation
Right-hand rotation data are seldom 0 data；Left-hand rotation data are seldom 0 data when removal is turned right；To realize accurate left and right transfering the letter
The positioning of breath.
Specifically, as shown in figure 4, the specific method of vehicle speed data analysis:
Prompt starting engine, hangs neutral gear, pulls on parking brake；
Detect the CAN data under dead ship condition；
It prompts speed to stablize in A km/h, detects CAN data；
It prompts speed to stablize in B km/h, detects CAN data；
It prompts speed to stablize in C km/h, detects CAN data；
Remove message number less data；
Remove the data under halted state greater than 0；
It removes in double byte matching, always having a byte in data is 0 data；
Calculate the average value of all messages of A, B, C；
Error calculation is done to average value and obtains three error amounts: W1, W2, W3.
Remove W1, the biggish data of error information in W2, W3.
Possible matching result is ranked up；
Successively verify, it can be by the way of manual verification；
If consistent, issue be configured to CAN box in next step
If it is inconsistent, restarting in next step, it is acquired using vehicle speed sensor, cooperation IN line carries out data biography
It is defeated.
Because speed is that affirmative is 0, so not being 0 message under removal halted state under halted state, so that it may
A large amount of noise datas are quickly got rid of, accelerate to be accurately positioned.
In the method being filtered to collected body of a motor car data are as follows:
Outside filtering: have on collected data significantly interfere with or on acquisition data there may be the outsides centainly influenced
Situation is first once filtered；
Static filtering: in the case where stationary vehicle, the data filtering of variation is fallen.
Because in the case where stationary vehicle, what left/right rotation data and vehicle speed data were all no variation in, so by outer
Portion's filtering and static filtering, more noise datas can be filtered out, be preferably pin-pointed to.
Meanwhile the present invention also provides a kind of nonvolatile computer storage media, it is stored with computer executable program,
The method that the computer executable program is used to execute a kind of quickly identification vehicle signal and parameter as described above, storage are situated between
Matter includes but is not limited to ROM, RAM, common hard disc, USB flash disk or floppy disk.
The beneficial effect is that, it is only necessary to it can be used for storing corresponding program, can will be held accordingly by storage medium
After line program stores, easily corresponding executable program can will be installed in CAN box, to quickly identify
The left and right rotaring signal and speed signal of automobile.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features；
And these are modified or replaceed, technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (10)
1. a kind of method of quickly identification vehicle signal and parameter, wherein described method includes following steps:
It is connected using CAN box with the CAN bus of automobile and/or IN line, acquires body of a motor car data；
Collected body of a motor car data are filtered；
Body of a motor car data remaining after filtering are analyzed, the left/right rotation information and vehicle speed information of vehicle are pin-pointed to.
2. according to the method described in claim 1, wherein, the specific method of left/right rotation information analysis:
Data twice are acquired, the case where only collecting in collection process twice one time is removed；
Remove the very few situation of message number；
It is very few to remove periodicity, the excessive data of period distances error；
Right-hand rotation data are seldom 0 data when removal is turned left；
Left-hand rotation data are seldom 0 data when removal is turned right；
Permutation and combination is carried out to remaining possible data, user manual verification determines which information used.
3. according to the method described in claim 1, wherein, the specific method of vehicle speed data analysis:
Remove the very few message of total message number number；
It is not 0 message under removal halted state；
Remove the excessive message of message error amount；
Remove the excessive data of the error of three different sampled points calculated in proportion；
Remaining data are ranked up, user manual verification determines which information used.
4. according to the method described in claim 1, wherein, the method that collected body of a motor car data are filtered are as follows:
Outside filtering: have on collected data significantly interfere with or on acquisition data there may be the external circumstances centainly influenced
First once filtered；
Static filtering: in the case where stationary vehicle, the data filtering of variation is fallen.
5. according to the method described in claim 1, wherein, by the left/right rotation information and vehicle speed information and vehicle of the vehicle navigated to
Type information matched, establish model data library, obtained for the CAN box of other users.
6. a kind of nonvolatile computer storage media is stored with computer executable program, the computer executable program
Method for executing as described above quickly identification vehicle signal and parameter, storage medium includes but is not limited to ROM, RAM, general
Logical hard disk, USB flash disk or floppy disk.
7. a kind of system of quickly identification vehicle signal and parameter, wherein including CAN box, CAN bus, host computer；
The CAN box is connected with the CAN bus of automobile, and the CAN box is configured to acquisition body of a motor car data；
The host computer is configured to, and is filtered to collected body of a motor car data；And to body of a motor car remaining after filtering
Data are analyzed, and the left/right rotation information and vehicle speed information of vehicle are pin-pointed to.
8. system according to claim 7, wherein the CAN box and ADAS the DMS equipment communicate to connect, institute
It states and is communicated between CAN box and ADAS the DMS equipment by bus communication or RS232, the CAN box is by vehicle
Left/right rotation information and vehicle speed information pass to ADAS DMS equipment.
9. system according to claim 7, wherein further include model data library, be stored in the model data library with
The left/right rotation information and vehicle speed information of the associated vehicle that matches of the type information of vehicle, the CAN box and the vehicle number
It is communicated to connect according to library.
10. a kind of system of quickly identification vehicle signal and parameter, wherein including CAN box, IN line, host computer, the CAN box
It is connected between the vehicle body of automobile switch and vehicle body sensor by IN line,
The CAN box is configured to acquire body of a motor car data by IN line；
The host computer is configured to be filtered collected body of a motor car data；And to body of a motor car number remaining after filtering
According to being analyzed, it is pin-pointed to the left/right rotation information and vehicle speed information of vehicle.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110588512A (en) * | 2019-09-25 | 2019-12-20 | 武汉极目智能技术有限公司 | Dangerous driving identification and early warning device, method and system |
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