CN106153975A - A kind of method, system and vehicle exporting vehicle speed pulse - Google Patents
A kind of method, system and vehicle exporting vehicle speed pulse Download PDFInfo
- Publication number
- CN106153975A CN106153975A CN201610525478.5A CN201610525478A CN106153975A CN 106153975 A CN106153975 A CN 106153975A CN 201610525478 A CN201610525478 A CN 201610525478A CN 106153975 A CN106153975 A CN 106153975A
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- vehicle speed
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
- G01P3/42—Devices characterised by the use of electric or magnetic means
- G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
- G01P3/48—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage
- G01P3/481—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
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Abstract
The invention discloses a kind of method exporting vehicle speed pulse, comprising: obtain the vehicle speed sensor pulse signal that vehicle speed sensor sends；Configure according to current car load and be calculated speedometer PPK；Utilize the fixing equivalent of described speedometer PPK and setting, described vehicle speed sensor pulse signal is converted into output vehicle speed pulse；Described output vehicle speed pulse is sent to other controllers；What the method can reduce other controllers writes with a brush dipped in Chinese ink work, avoids the configuration of each controller of potential car load simultaneously and writes with a brush dipped in Chinese ink inconsistent risk, can be efficiently used in the car load environment of controller extracting directly vehicle speed pulse (frequency) RST；Further increase each controller and calculate the reliability of speed and mileage；The invention also discloses a kind of system exporting vehicle speed pulse and vehicle, there is the effect above.
Description
Technical field
The present invention relates to vehicular field, particularly to a kind of method, system and vehicle exporting vehicle speed pulse.
Background technology
The change of car load configuration (rear axle ratio, gearbox speed ratio, diameter of tyres), causes speedometer speed ratio different,
And then cause vehicle to travel umber of pulse (the i.e. speedometer PPK) difference that 1 kilometer of (unit mileage) vehicle speed sensor produces, car
The calculating of speed is closely related with speedometer PPK.Speedometer PPK is according to car load configuration (tyre model and half writing with a brush dipped in Chinese ink
Footpath, rear axle ratio, speedometer speed ratio and vehicle speed sensor is every turns umber of pulse) calculate gained.
Technical scheme is computational methods commonly used in the art: other controllers take vehicle speed pulse (frequency) signal from rigid line, by
Vehicle speed pulse (frequency) signal receiving is sent to other controllers according to the mode of 1:1 by predetermined controller, other controllers
Need to write with a brush dipped in Chinese ink the configuration of corresponding car load, configuration includes tyre model and radius, rear axle ratio, speedometer speed ratio and vehicle speed sensor
Every turning umber of pulse, then other controllers calculate speed according to corresponding configuration.Other controllers i.e. directly obtain speed from rigid line
Pulse (frequency) signal, therefore when calculating speed or calculating other parameters needing use vehicle speed pulse (frequency) signal, in advance
Determine controller and other controllers i.e. need the parts utilizing vehicle speed pulse (frequency) signal to calculate speed to be required for carrying out whole
Writing with a brush dipped in Chinese ink of car configuration, can accurately be calculated；But the method needs the number of times writing with a brush dipped in Chinese ink car load configuration a lot, so can deposit
Occur writing with a brush dipped in Chinese ink inconsistent situation, thus reduce accuracy and the reliability that other controllers calculate.Therefore, how smart
Really, reliably export vehicle speed pulse, be those skilled in the art's technical issues that need to address.
Content of the invention
It is an object of the invention to provide a kind of method, system and vehicle exporting vehicle speed pulse, can be reduced other
Controller write with a brush dipped in Chinese ink work, avoid simultaneously each controller of potential car load configuration write with a brush dipped in Chinese ink inconsistent risk, can accurately,
Reliably export vehicle speed pulse.
For solving above-mentioned technical problem, the present invention provides a kind of method exporting vehicle speed pulse, comprising:
Obtain the vehicle speed sensor pulse signal that vehicle speed sensor sends；
Configure according to current car load and be calculated speedometer PPK；
Utilize the fixing equivalent of described speedometer PPK and setting, described vehicle speed sensor pulse signal is converted into
Output vehicle speed pulse；
Described output vehicle speed pulse is sent to other controllers.
Wherein, described vehicle speed sensor pulse is believed by the described fixing equivalent utilizing described speedometer PPK and setting
It number is converted into output vehicle speed pulse, comprising:
By speedometer PPK, the fixing equivalent of setting and described vehicle speed sensor pulse signal f1Bring formula f into2=
f1* fix in equivalent/speedometer PPK and be calculated output vehicle speed pulse f2。
Wherein, also include:
Other controllers described are according to described output vehicle speed pulse f2And speed computing formula v=(f2* 3600) Gu/
Settled amount, is calculated vehicle speed value v.
Wherein, also include:
Utilize car load mileage calculation formula L=N/ to fix equivalent and be calculated car load mileage L；Wherein, N is vehicle speed pulse
Number.
Wherein, it is calculated speedometer PPK according to the configuration of current car load, comprising:
The current car load configuration write with a brush dipped in Chinese ink according to the equipment of rolling off the production line, calculates speedometer PPK.
The present invention provides a kind of system exporting vehicle speed pulse, comprising:
Vehicle speed sensor, is used for obtaining vehicle speed sensor pulse signal, and is sent to predetermined controller；
Described predetermined controller, is calculated speedometer PPK for configuring according to current car load, utilizes described speed
Described vehicle speed sensor pulse signal is converted into output vehicle speed pulse by mileometer PPK and the fixing equivalent of setting；By institute
State output vehicle speed pulse and be sent to other controllers；
Other controllers described, are used for receiving described output vehicle speed pulse；
Roll off the production line equipment, for writing with a brush dipped in Chinese ink the configuration of current car load to described predetermined controller.
Wherein, described predetermined controller includes:
First receiving unit, for receiving the vehicle speed sensor pulse signal f that vehicle speed sensor sends1；
First computing unit, for believing speedometer PPK, the fixing equivalent of setting and described vehicle speed sensor pulse
Number f1Bring formula f into2=f1* fix in equivalent/speedometer PPK and be calculated output vehicle speed pulse f2；
First transmitting element, for by described output vehicle speed pulse f2It is sent to other controllers described.
Wherein, other controllers described include:
Second receiving unit, for receiving the described output vehicle speed pulse f that described predetermined controller sends2；
Second computing unit, for according to described output vehicle speed pulse f2And speed computing formula v=(f2*3600)/
Fixing equivalent, is calculated vehicle speed value v.
Wherein, other controllers described also include:
3rd computing unit, is used for utilizing formula L=N/ to fix equivalent and is calculated car load mileage L；Wherein, N is speed
Pulse number.
Present invention also offers a kind of vehicle, comprising: the system of the output vehicle speed pulse described in any of the above-described item.
The method of output vehicle speed pulse provided by the present invention, comprising: obtain the speed biography that vehicle speed sensor sends
Sensor pulse signal；Configure according to current car load and be calculated speedometer PPK；Utilize described speedometer PPK and set
Described vehicle speed sensor pulse signal is converted into output vehicle speed pulse by fixed fixing equivalent；By described output speed arteries and veins
Rush signal and be sent to other controllers；
What the method can reduce other controllers writes with a brush dipped in Chinese ink work, avoids the configuration of each controller of potential car load simultaneously
Write with a brush dipped in Chinese ink inconsistent risk, the car load of other controller extracting directly vehicle speed pulse (frequency) RSTs can be efficiently used for
In environment；
And further increase the reliability that other controllers calculate speed and mileage；The invention also discloses a kind of output
The system of vehicle speed pulse and vehicle, have the effect above, does not repeats them here.
Brief description
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
In having technology to describe, the accompanying drawing of required use is briefly described, it should be apparent that, the accompanying drawing in describing below is only this
Inventive embodiment, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
The accompanying drawing providing obtains other accompanying drawing.
The flow chart of the method for the output vehicle speed pulse that Fig. 1 is provided by the embodiment of the present invention；
The structured flowchart of the system of the output vehicle speed pulse that Fig. 2 is provided by the embodiment of the present invention.
Detailed description of the invention
The core of the present invention is to provide a kind of method, system and vehicle exporting vehicle speed pulse, can reduce other
Controller write with a brush dipped in Chinese ink work, avoid simultaneously each controller of potential car load configuration write with a brush dipped in Chinese ink inconsistent risk, can accurately,
Reliably export vehicle speed pulse.
Purpose, technical scheme and advantage for making the embodiment of the present invention are clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
The a part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment being obtained under the premise of not making creative work, broadly falls into the scope of protection of the invention.
Refer to Fig. 1, the flow chart of the method for the output vehicle speed pulse that Fig. 1 is provided by the embodiment of the present invention；Should
Method may include that
S100, the vehicle speed sensor pulse signal obtaining vehicle speed sensor transmission；
S110, according to current car load configure be calculated speedometer PPK；
Wherein, in order to obtain speedometer PPK accurately, need promptly and accurately carry out writing with a brush dipped in Chinese ink of car load configuration, this
In the current car load configuration that can write with a brush dipped in Chinese ink according to the equipment of rolling off the production line, calculate speedometer PPK.What i.e. the utilization equipment of rolling off the production line was write with a brush dipped in Chinese ink is whole
Car configuration carries out the real-time update of car load configuration, thus ensures that other controllers and combination instrument obtain vehicle speed pulse letter accurately
Number, it is simple to utilize vehicle speed pulse to carry out subsequent calculations, calculate speed for example accurately and reliably.
Further, in order to preferably improve reliability and the accuracy of output vehicle speed pulse, optionally, permissible here
Calculating to speedometer PPK is verified, prevents car load configuration and writes with a brush dipped in Chinese ink the speedometer PPK calculating that mistake causes
Mistake.
Wherein, predetermined controller is when getting the vehicle speed sensor pulse signal that vehicle speed sensor sends, and is not picture
Prior art carry out like that 1:1 by vehicle speed sensor pulse signal transmission to other controllers, but in predetermined controller
Changing, conversion foundation here is to configure between corresponding speedometer PPK and the fixing equivalent of setting according to car load
Proportionate relationship change, obtain after conversion export vehicle speed pulse, output vehicle speed pulse is sent to other control
Device processed, so other controllers just can be according to output vehicle speed pulse and only relevant with fixing equivalent speed computing formula
Carry out speed and mileage calculation or other calculate, i.e. other controllers just need not carry out the brush of car load configuration as prior art
Writing, in this embodiment, only predetermined controller needs according to car load config update speedometer PPK.Direct for other controllers
Obtain the situation of vehicle speed pulse (frequency) signal from rigid line, this embodiment is given other by predetermined controller in the way of fixing equivalent
Controller exports speed, efficiently reduces the configuration of other controllers and writes with a brush dipped in Chinese ink work, is further ensured that the car that each controller calculates
Speed is consistent with mileage.
To sum up predetermined controller exports vehicle speed pulse (frequency) signal with fixing equivalent, exports according to the mode of fixing equivalent
Vehicle speed pulse (frequency) signal gives other controllers.As follows with prior art difference: the 1st, signal output and the ratio inputting
Difference, prior art gives other controllers according to ratio output vehicle speed pulse (frequency) signal of 1:1, and the present embodiment is according to fixing
The mode of equivalent exports, and does not changes with the change of car load configuration；2nd, difference, prior art are write with a brush dipped in Chinese ink in other controller car loads configuration
Car load configuration need to be write with a brush dipped in Chinese ink to other controllers and include that tyre model and radius, rear axle ratio, speedometer speed ratio and speed pass
The every umber of pulse that turns of sensor, the present embodiment is without writing with a brush dipped in Chinese ink the configuration of corresponding car load to other controllers, according to the fixing equivalent setting just
Speed and mileage can be calculated.
Wherein, predetermined controller here can be any controller on car load.I.e. only need to specify predetermined controller to enter
Writing with a brush dipped in Chinese ink of row car load configuration, and undertake the effect of conversion vehicle speed pulse and the output vehicle speed pulse obtaining is sent
Other controllers.
Wherein, predetermined controller number here can be one, it is also possible to is multiple；Here not to predetermined controller
Number be defined, it is only necessary to fewer than the number that every other controller is added with predetermined controller one；Generally designate
One equipment is predetermined controller.
Described vehicle speed sensor pulse signal is turned by S120, the fixing equivalent utilizing described speedometer PPK and setting
Turn to export vehicle speed pulse；
Wherein, the setting of conversion formula here and speed and mileage calculation formula has only to fixing equivalent as centre
Amount carries out excessively, can fall the reduction of a fraction of fixing equivalent after finally bringing into.I.e. utilize an intermediate variable (i.e. fixing equivalent),
Realize reducing and write with a brush dipped in Chinese ink the big problem of workload and potential write with a brush dipped in Chinese ink inconsistent and the speed that causes each controller to calculate and mileage
Inconsistent risk.
Optionally, the described fixing equivalent utilizing described speedometer PPK and setting, by described vehicle speed sensor pulse
Signal is converted into output vehicle speed pulse, comprising:
By speedometer PPK, the fixing equivalent of setting and described vehicle speed sensor pulse signal f1Bring formula f into2=
f1* fix in equivalent/speedometer PPK and be calculated output vehicle speed pulse f2。
S130, by described output vehicle speed pulse be sent to other controllers.
Based on technique scheme, the method for the output vehicle speed pulse that the embodiment of the present invention carries, the method can subtract
Work is write with a brush dipped in Chinese ink in the configuration of other controllers few, avoids the configuration of each controller of potential car load simultaneously and writes with a brush dipped in Chinese ink inconsistent wind
Danger, can be efficiently used in the car load environment of other controller extracting directly vehicle speed pulse (frequency) RSTs.
Further, other controllers can utilize this to export speed accurately and reliably after obtaining output vehicle speed pulse
Pulse signal carries out the calculating of some parameters, can improve the accuracy that parameter calculates.Optionally, other controllers described according to
Described output vehicle speed pulse and speed computing formula are calculated vehicle speed value, comprising:
Other controllers described are according to described output vehicle speed pulse f2And speed computing formula v=(f2* 3600) Gu/
Settled amount, is calculated vehicle speed value v.
Wherein, concrete speedometer PPK is that vehicle travels the umber of pulse that 1 kilometer of vehicle speed sensor produces, according to brush
Write configuration (include tyre model and radius, rear axle ratio, speedometer speed ratio and vehicle speed sensor is every turn umber of pulse) to calculate
Can obtain.Fixing equivalent: be manually set value, can be any positive integer.
Predetermined controller receives vehicle speed sensor pulse (frequency) signal f1 according to the ratio of 1:1, then according to fixing work as
The mode of amount, according to f2=f1* fix equivalent/speedometer PPK and f1 is converted into f2, export vehicle speed pulse (frequency) signal
F2 gives other controllers.Other controllers are according to v=(f2* 3600)/fixing equivalent can calculate vehicle speed value.
Optionally, other controllers described calculate according to described output vehicle speed pulse and car load mileage calculation formula
To car load mileage value, comprising:
Utilize car load mileage calculation formula L=N/ to fix equivalent and be calculated car load mileage L；Wherein, N is vehicle speed pulse
Number.
Based on technique scheme, the method for the output vehicle speed pulse that the embodiment of the present invention provides, the method utilizes
Have higher reliability to the algorithm of other controllers with fixing equivalent output vehicle speed pulse (frequency) signal, decrease other
Controller write with a brush dipped in Chinese ink work, avoid simultaneously other controllers of potential car load configuration write with a brush dipped in Chinese ink inconsistent risk, improve it
His controller calculates the accurate and reliability of speed and car load mileage.Can be effectively used for other controllers directly to pick up the car from rigid line
In the car load environment of rapid pulse punching (frequency) RST.
Embodiments provide the method for output vehicle speed pulse, it is to avoid potential car load each controller is joined
Put and write with a brush dipped in Chinese ink inconsistent risk.
The system of the output vehicle speed pulse providing the embodiment of the present invention below and vehicle are introduced, and are described below
The output system of vehicle speed pulse and vehicle can mutually corresponding join with the method for above-described output vehicle speed pulse
According to.
Refer to Fig. 2, the structured flowchart of the system of the output vehicle speed pulse that Fig. 2 is provided by the embodiment of the present invention；
This system may include that
Vehicle speed sensor 100, is used for obtaining vehicle speed sensor pulse signal, and is sent to predetermined controller；
Described predetermined controller 200, is calculated speedometer PPK for configuring according to current car load, utilizes described
Described vehicle speed sensor pulse signal is converted into output vehicle speed pulse by speedometer PPK and the fixing equivalent of setting；
Described output vehicle speed pulse is sent to other controllers；
Other controllers 300 described, are used for receiving described output vehicle speed pulse；
The equipment 400 that rolls off the production line being connected with described predetermined controller, joins for writing with a brush dipped in Chinese ink current car load to described predetermined controller
Put.
Optionally, described predetermined controller 200 includes:
First receiving unit, for receiving the vehicle speed sensor pulse signal f that vehicle speed sensor sends1；
First computing unit, for believing speedometer PPK, the fixing equivalent of setting and described vehicle speed sensor pulse
Number f1Bring formula f into2=f1* fix in equivalent/speedometer PPK and be calculated output vehicle speed pulse f2；
First transmitting element, for by described output vehicle speed pulse f2It is sent to other controllers described.
Optionally, based on technique scheme, described predetermined controller 200 can also include:
Authentication unit, is used for verifying whether speedometer PPK has correctly.
If incorrect, then can remind, it is possible to recalculate or re-start writing with a brush dipped in Chinese ink of car load configuration.
Optionally, other controllers 300 described include:
Second receiving unit, for receiving the described output vehicle speed pulse f that described predetermined controller sends2；
Second computing unit, for according to described output vehicle speed pulse f2And speed computing formula v=(f2*3600)/
Fixing equivalent, is calculated vehicle speed value v.
Optionally, other controllers 300 described also include:
3rd computing unit, is used for utilizing formula L=N/ to fix equivalent and is calculated car load mileage L；Wherein, N is speed
Pulse number.
Optionally, described predetermined controller is connected by rigid line with vehicle speed sensor and other controllers.
Wherein, predetermined controller here can be combination instrument or other any controllers.
Based on technique scheme, the system of the output vehicle speed pulse that the embodiment of the present invention provides, the method utilizes
Have higher reliability to the algorithm of other controllers with fixing equivalent output vehicle speed pulse (frequency) signal, decrease other
Controller write with a brush dipped in Chinese ink work, avoid simultaneously each controller of potential car load configuration write with a brush dipped in Chinese ink inconsistent risk, improve it
His controller calculates the accurate and reliability of speed and car load mileage.Can be effectively used for other controllers directly to pick up the car speed from rigid line
In the car load environment of pulse (frequency) RST.
Present invention also offers a kind of vehicle, comprising: the system of the output vehicle speed pulse described in any of the above-described item.
In specification, each embodiment uses the mode gone forward one by one to describe, and what each embodiment stressed is real with other
Executing the difference of example, between each embodiment, identical similar portion sees mutually.For device disclosed in embodiment
Speech, owing to it corresponds to the method disclosed in Example, so describe is fairly simple, related part sees method part explanation
?.
Professional further appreciates that, in conjunction with the unit of each example that the embodiments described herein describes
And algorithm steps, can with electronic hardware, computer software or the two be implemented in combination in, in order to clearly demonstrate hardware and
The interchangeability of software, generally describes composition and the step of each example in the above description according to function.These
Function performs with hardware or software mode actually, depends on application-specific and the design constraint of technical scheme.Specialty
Technical staff specifically should can be used for using different methods to realize described function to each, but this realization should not
Think beyond the scope of this invention.
The method describing in conjunction with the embodiments described herein or the step of algorithm can directly be held by hardware, processor
The software module of row, or the combination of the two implements.Software module can be placed in random access memory (RAM), internal memory, read-only deposit
Reservoir (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or technology
In any other form of storage medium known in field.
Above method, system and the vehicle exporting vehicle speed pulse provided by the present invention is described in detail.
Principle and embodiment to the present invention for the specific case used herein is set forth, and the explanation of above example is to use
Understand method and the core concept thereof of the present invention in help.It should be pointed out that, for those skilled in the art,
Under the premise without departing from the principles of the invention, can also carry out some improvement and modification to the present invention, these improve and modify also
Fall in the protection domain of the claims in the present invention.
Claims (10)
1. the method exporting vehicle speed pulse, it is characterised in that include:
Obtain the vehicle speed sensor pulse signal that vehicle speed sensor sends；
Configure according to current car load and be calculated speedometer PPK；
Utilize the fixing equivalent of described speedometer PPK and setting, described vehicle speed sensor pulse signal is converted into output
Vehicle speed pulse；
Described output vehicle speed pulse is sent to other controllers.
2. the as claimed in claim 1 method exporting vehicle speed pulse, it is characterised in that described utilize described vehicle speed mileage
Described vehicle speed sensor pulse signal is converted into output vehicle speed pulse by table PPK and the fixing equivalent of setting, comprising:
By speedometer PPK, the fixing equivalent of setting and described vehicle speed sensor pulse signal f1Bring formula f into2=f1* solid
Settled amount/speedometer PPK is calculated output vehicle speed pulse f2。
3. the method exporting vehicle speed pulse as claimed in claim 2, it is characterised in that also include:
Other controllers described are according to described output vehicle speed pulse f2And speed computing formula v=(f2* 3600)/fix and work as
Amount, is calculated vehicle speed value v.
4. the method for the output vehicle speed pulse as described in any one of claims 1 to 3, it is characterised in that also include:
Utilize car load mileage calculation formula L=N/ to fix equivalent and be calculated car load mileage L；Wherein, N is vehicle speed pulse number.
5. the method exporting vehicle speed pulse as claimed in claim 4, it is characterised in that configure according to current car load and calculate
Obtain speedometer PPK, comprising:
The current car load configuration write with a brush dipped in Chinese ink according to the equipment of rolling off the production line, calculates speedometer PPK.
6. the system exporting vehicle speed pulse, it is characterised in that include:
Vehicle speed sensor, is used for obtaining vehicle speed sensor pulse signal, and is sent to predetermined controller；
Described predetermined controller, is calculated speedometer PPK for configuring according to current car load, utilizes described vehicle speed mileage
Described vehicle speed sensor pulse signal is converted into output vehicle speed pulse by table PPK and the fixing equivalent of setting；By described defeated
Go out vehicle speed pulse and be sent to other controllers；
Other controllers described, are used for receiving described output vehicle speed pulse；
Roll off the production line equipment, for writing with a brush dipped in Chinese ink the configuration of current car load to described predetermined controller.
7. the system exporting vehicle speed pulse as claimed in claim 6, it is characterised in that described predetermined controller includes:
First receiving unit, for receiving the vehicle speed sensor pulse signal f that vehicle speed sensor sends1；
First computing unit, for by speedometer PPK, the fixing equivalent of setting and described vehicle speed sensor pulse signal f1
Bring formula f into2=f1* fix in equivalent/speedometer PPK and be calculated output vehicle speed pulse f2；
First transmitting element, for by described output vehicle speed pulse f2It is sent to other controllers described.
8. the system exporting vehicle speed pulse as claimed in claim 7, it is characterised in that other controllers described include:
Second receiving unit, for receiving the described output vehicle speed pulse f that described predetermined controller sends2；
Second computing unit, for according to described output vehicle speed pulse f2And speed computing formula v=(f2* 3600)/fixing
Equivalent, is calculated vehicle speed value v.
9. the system exporting vehicle speed pulse as claimed in claim 8, it is characterised in that other controllers described also wrap
Include:
3rd computing unit, is used for utilizing formula L=N/ to fix equivalent and is calculated car load mileage L；Wherein, N is vehicle speed pulse
Number.
10. a vehicle, it is characterised in that include: the output vehicle speed pulse as described in any one of claim 6 to 9
System.
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| CN201610525478.5A CN106153975A (en) | 2016-07-05 | 2016-07-05 | A kind of method, system and vehicle exporting vehicle speed pulse |
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| CN201610525478.5A CN106153975A (en) | 2016-07-05 | 2016-07-05 | A kind of method, system and vehicle exporting vehicle speed pulse |
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Cited By (7)
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| CN106546763A (en) * | 2015-09-23 | 2017-03-29 | 联创汽车电子有限公司 | Speed computational methods |
| CN109017800A (en) * | 2018-08-27 | 2018-12-18 | 汽解放汽车有限公司 | A kind of commercial vehicle vehicle speed processing device based on entire car controller |
| CN109455090A (en) * | 2018-11-20 | 2019-03-12 | 安徽江淮汽车集团股份有限公司 | The adjustable combination instrument of speed and control method |
| CN109591597A (en) * | 2018-12-17 | 2019-04-09 | 安徽江淮汽车集团股份有限公司 | A kind of input method and signal controller system of signal controller |
| CN111412926A (en) * | 2020-04-19 | 2020-07-14 | 东风汽车股份有限公司 | Speed ratio conversion method for fixed odometer for vehicle |
| CN114435274A (en) * | 2022-01-19 | 2022-05-06 | 东风汽车股份有限公司 | Hard wire output conversion method for CAN bus vehicle speed |
| CN115071421A (en) * | 2022-06-28 | 2022-09-20 | 东风华神汽车有限公司 | Vehicle speed display method and system of vehicle digital instrument |
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