CN110469416A - A kind of engine control, control device and engine - Google Patents
A kind of engine control, control device and engine Download PDFInfo
- Publication number
- CN110469416A CN110469416A CN201910931886.4A CN201910931886A CN110469416A CN 110469416 A CN110469416 A CN 110469416A CN 201910931886 A CN201910931886 A CN 201910931886A CN 110469416 A CN110469416 A CN 110469416A
- Authority
- CN
- China
- Prior art keywords
- engine
- volumetric efficiency
- value
- air inflow
- atmospheric pressure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/24—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means
- F02D41/2406—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using essentially read only memories
- F02D41/2425—Particular ways of programming the data
- F02D41/2429—Methods of calibrating or learning
- F02D41/2451—Methods of calibrating or learning characterised by what is learned or calibrated
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/30—Controlling fuel injection
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2200/00—Input parameters for engine control
- F02D2200/70—Input parameters for engine control said parameters being related to the vehicle exterior
- F02D2200/703—Atmospheric pressure
Abstract
This application provides a kind of engine control, control device and engine, engine controls, comprising: obtains current atmospheric pressure；When the current atmospheric pressure is less than default atmospheric pressure threshold value, controls the engine and correct current volumetric efficiency, and the engine oil spout is controlled according to revised volumetric efficiency.As shown in the above, technical solution provided by the present application, pass through the atmospheric pressure of real-time monitoring engine local environment, when atmospheric pressure is less than default atmospheric pressure threshold value, distributive value is then calculated according to revised volumetric efficiency, and the engine oil spout is controlled, and then prevent fuel burning insufficient, discharge the phenomenon that deteriorating.
Description
Technical field
The present invention relates to field of engine control more particularly to a kind of engine controls, control device and engine.
Background technique
As the requirement of emission regulation is increasingly stringenter, the emission control of engine is become more and more important.
In the prior art, for same engine, as height above sea level increases, which burns insufficient feelings
Condition can be increasingly severe, and then will increase the grain amount in the exhaust gas of engine emission, deteriorates engine emission more.
Summary of the invention
In view of this, can effectively solve the problem that the present invention provides a kind of engine control, control device and engine
Problems of the prior art.
To achieve the above object, technical solution provided by the invention is as follows:
A kind of engine control, comprising:
Obtain current atmospheric pressure；
When the current atmospheric pressure is less than default atmospheric pressure threshold value, controls the engine and correct current inflation
Efficiency, and the engine oil spout is controlled according to revised volumetric efficiency.
Optionally, it controls the engine and corrects current volumetric efficiency, and institute is controlled according to revised volumetric efficiency
State engine oil spout, comprising:
Obtain volumetric efficiency basic value and volumetric efficiency correction value；
Revised volumetric efficiency value is obtained according to the volumetric efficiency basic value and the volumetric efficiency correction value, with root
The engine, which is controlled, according to the revised volumetric efficiency value corrects current volumetric efficiency；
Distributive value is obtained according to the revised volumetric efficiency value, the engine is controlled and is sprayed according to the distributive value
Oil.
Optionally, it obtains volumetric efficiency basic value and volumetric efficiency correction value includes:
Obtain the currently running operating point of engine；
Volumetric efficiency basic value is obtained according to the currently running operating point of the engine；
Volumetric efficiency correction value is obtained according to the currently running operating point of the engine and current atmospheric pressure.
Optionally, distributive value is obtained according to the revised volumetric efficiency value, comprising:
Obtain the theoretical air inflow of the engine；
The air inflow of the engine is obtained according to the theoretical air inflow and the revised volumetric efficiency value；
The distributive value is calculated according to the air inflow.
Optionally, the theoretical air inflow for obtaining engine includes:
According toCalculate the theoretical air inflow for obtaining engine, wherein M1For theory into
Tolerance, P1It is engine charge pressure, kTIt is the correction factor of Engine Inlet Temperature, kVSAIt is the correction factor of throttle valve, k1
It is first constant, V is the discharge capacity of engine, K2It is second constant, T is the intake air temperature of engine.
Optionally, described that air input of engine by air, packet are obtained according to the theoretical air inflow and revised volumetric efficiency value
It includes:
According toCalculate air inflow, wherein M2For air inflow, M1For theoretical air inflow, N is revised inflation
Efficiency value.
It is optionally, described that distributive value is calculated according to the air inflow, comprising:
According toIt calculates and obtains distributive value, wherein S is distributive value, M2For air inflow, K3For three constant, λ
For excess air coefficient.
Correspondingly, the present invention also provides a kind of engine control systems, comprising:
Atmospheric pressure obtains module, for obtaining current atmospheric pressure；
Engine control module is used for when the current atmospheric pressure is less than default atmospheric pressure threshold value, described in control
Engine corrects current volumetric efficiency, and controls the engine oil spout according to revised volumetric efficiency.
Optionally, the engine control module includes:
Volumetric efficiency acquiring unit, for obtaining volumetric efficiency basic value and volumetric efficiency correction value；
Volumetric efficiency amending unit, for being repaired according to the volumetric efficiency basic value and volumetric efficiency correction value acquisition
Volumetric efficiency value after just corrects current inflation effect to control the engine according to the revised volumetric efficiency value
Rate；
Engine Injection Mass control unit, for obtaining distributive value, control hair according to the revised volumetric efficiency value
Motivation is according to the distributive value oil spout.
Optionally, the volumetric efficiency acquiring unit includes:
Operating point obtains subelement, for obtaining the currently running operating point of engine；
Volumetric efficiency basic value obtains subelement, for obtaining inflation effect according to the currently running operating point of the engine
Rate basic value；
Volumetric efficiency correction value obtains subelement, for according to the currently running operating point of the engine and currently big
Atmospheric pressure obtains volumetric efficiency correction value.
Optionally, Engine Injection Mass control unit includes:
Theoretical air inflow obtains subelement, for obtaining the theoretical air inflow of the engine；
Air inflow obtains subelement, for obtaining the hair according to the theoretical air inflow and revised volumetric efficiency value
The air inflow of motivation；
Distributive value computation subunit, for calculating distributive value according to the air inflow.
Optionally, the theoretical air inflow of the theoretical air inflow acquisition subelement acquisition engine includes:
According toCalculate the theoretical air inflow for obtaining engine, wherein M1For theory into
Tolerance, P1It is engine charge pressure, kTIt is the correction factor of Engine Inlet Temperature, kVSAIt is the correction factor of throttle valve, k1
It is first constant, V is the discharge capacity of engine, K2It is second constant, T is the intake air temperature of engine.
Optionally, the air inflow obtains subelement and is obtained according to the theoretical air inflow and revised volumetric efficiency value
Air input of engine by air, comprising:
According toCalculate air inflow, wherein M2For air inflow, M1For theoretical air inflow, N is revised inflation
Efficiency value.
Optionally, the distributive value computation subunit calculates distributive value according to the air inflow, comprising:
According toIt calculates and obtains distributive value, wherein S is distributive value, M2For air inflow, K3For three constant, λ
For excess air coefficient.
Correspondingly, the present invention also provides a kind of engines, comprising: any of the above-described engine control system.
Compared to the prior art, technical solution provided by the invention has at least the following advantages:
The present invention provides a kind of engine control, control device and engine, engine controls, comprising:
Obtain current atmospheric pressure；When the current atmospheric pressure is less than default atmospheric pressure threshold value, the engine amendment is controlled
Current volumetric efficiency, and the engine oil spout is controlled according to revised volumetric efficiency.As shown in the above, of the invention
The technical solution of offer, by the atmospheric pressure of real-time monitoring engine local environment, when the atmospheric pressure monitored is less than in advance
If when atmospheric pressure threshold value, and then being modified to current volumetric efficiency, then controlled according to revised volumetric efficiency
The engine oil spout, so prevent engine fuel burning it is insufficient, guarantee engine discharge exhaust gas in grain amount compared with
It is few, achieve the purpose that prevent engine emission from deteriorating.
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 only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is a kind of flow chart of engine control provided in an embodiment of the present invention；
Fig. 2 is that the control provided in an embodiment of the present invention engine corrects current volumetric efficiency, and according to amendment after
Volumetric efficiency control the flow chart of the engine oil spout；
Fig. 3 is the flow chart provided in an embodiment of the present invention for obtaining volumetric efficiency basic value and volumetric efficiency correction value；
Fig. 4 is a kind of structure chart of engine control system provided in an embodiment of the present invention；
Fig. 5 is the structure chart of engine control module provided in an embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
As described in background, as the requirement of emission regulation is increasingly stringenter, the emission control of engine becomes to get over
Come more important.
For same engine, as height above sea level increases, which burns insufficient situation can be increasingly
Seriously, it and then will increase the grain amount in the exhaust gas of engine emission, deteriorate engine emission more.
Inventor is researched and analysed discovery:
It is in the prior art usually to be demarcated in volumetric efficiency of the plains region to engine, to obtain volumetric efficiency base
Plinth arteries and veins spectrogram.Then, when controlling engine, the volumetric efficiency base can be inquired according to the operating point that engine is run
Plinth arteries and veins spectrogram obtains volumetric efficiency, and carries out calculating control according to distributive value of the volumetric efficiency to engine.
However the atmospheric pressure of high altitude localities can become smaller relative to plains region.At this point, to same engine identical
When controlling work under operating condition, compared to the biggish atmospheric pressure conditions in plains region, the smaller atmospheric pressure in high altitude localities
Under the conditions of, density, the volume etc. of engine sucking air can all have a corresponding variation, the volumetric efficiency of actual demand with flat
The volumetric efficiency of original area's calibration is not identical；So still being filled using what plains region was demarcated under the conditions of high altitude localities
Gas efficiency controls engine, and calculated distributive value can be made to be greater than the distributive value of actual demand, can make fuel burning
Grain amount in exhaust gas that is insufficient and increasing discharge, deteriorates engine emission, the phenomenon that over-emitting black exhaust occurs.
Based on this, the present invention provides a kind of engine control, control device and engine, engine controlling parties
Method, comprising: obtain current atmospheric pressure；When the current atmospheric pressure is less than default atmospheric pressure threshold value, the hair is controlled
Motivation corrects current volumetric efficiency, and controls the engine oil spout according to revised volumetric efficiency.It can by above content
Know, technical solution provided by the invention, by the atmospheric pressure of real-time monitoring engine local environment, when atmospheric pressure is less than in advance
If when atmospheric pressure threshold value, then calculating distributive value according to revised volumetric efficiency, and control the engine oil spout, Jin Erfang
Only fuel burning is insufficient, guarantees that the grain amount in the exhaust gas of engine discharge is less, prevents engine emission from deteriorating.
To achieve the above object, technical solution provided by the embodiments of the present application is as follows, specifically combines Fig. 1 to Fig. 5 to this Shen
Please embodiment provide technical solution be described in detail.
Shown in referring to Fig.1, Fig. 1 is a kind of flow chart of engine control provided by the embodiments of the present application；
A kind of engine control, comprising:
Obtain current atmospheric pressure；
When the current atmospheric pressure is less than default atmospheric pressure threshold value, controls the engine and correct current inflation
Efficiency, and the engine oil spout is controlled according to revised volumetric efficiency.
It should be noted that starting described in control when the current atmospheric pressure is not less than default atmospheric pressure threshold value
Machine obtains basic volumetric efficiency, controls the engine oil spout according to basic volumetric efficiency, wherein the basis volumetric efficiency is
In the first atmospheric pressure F1The volumetric efficiency of lower calibration, the embodiment of the present application do not do the specific value of " the first atmospheric pressure "
It limits, this needs is specifically chosen according to practical application, optionally, the first atmospheric pressure F1It can be 1 standard
Atmospheric pressure characterizes plains region.
And the embodiment of the present application for " default atmospheric pressure threshold value " specific value without limitation, basis is needed to this
Practical application is specifically chosen.
It should be understood that atmospheric pressure is gradually reduced with the raising of height above sea level, therefore, obtaining current atmospheric pressure is to use
In the atmospheric pressure for determining engine current operating environment, when the current atmospheric pressure is less than default atmospheric pressure threshold value,
Illustrate that engine current operating environment is no longer appropriate for engine being controlled using basic volumetric efficiency, therefore, described in control
Engine corrects current volumetric efficiency, and controls the engine oil spout according to revised volumetric efficiency.
As shown in Fig. 2, in one embodiment of the application, controls the engine and correct current volumetric efficiency, and according to
Revised volumetric efficiency controls the engine oil spout, comprising:
Obtain volumetric efficiency basic value and volumetric efficiency correction value；
Revised volumetric efficiency value is obtained according to the volumetric efficiency basic value and the volumetric efficiency correction value, with root
The engine, which is controlled, according to the revised volumetric efficiency value corrects current volumetric efficiency；
Distributive value is obtained according to the revised volumetric efficiency value, the engine is controlled and is sprayed according to the distributive value
Oil.
It should be noted that obtaining revised fill according to the volumetric efficiency basic value and the volumetric efficiency correction value
Gas efficiency value, comprising: be added by the volumetric efficiency basic value with the volumetric efficiency correction value and obtain revised inflation
Efficiency value；Alternatively, being multiplied by the volumetric efficiency basic value with the volumetric efficiency correction value obtains revised inflation effect
Rate value.
As shown in figure 3, obtaining volumetric efficiency basic value in one embodiment of the application and volumetric efficiency correction value including:
Obtain the currently running operating point of engine；
Volumetric efficiency basic value is obtained according to the currently running operating point of the engine；
Volumetric efficiency correction value is obtained according to the currently running operating point of the engine and current atmospheric pressure.
It should be noted that the currently running operating point of acquisition engine provided by the embodiments of the present application, comprising:
Obtain the currently running revolving speed of engine and distributive value；
The operating point of engine is determined according to the revolving speed and distributive value inquiry operating point arteries and veins spectrogram, wherein in the work
In condition point arteries and veins spectrogram, revolving speed and distributive value constitute the first parameter, not identical between each first parameter, each operating point with it is each
First parameter corresponds, and the operating point arteries and veins spectrogram is demarcated in advance, and the embodiment of the present application composes declared working condition point arteries and veins
The method of figure needs specific according to the actual situation choose without limitation, to this.
And the application implements the basic according to the currently running operating point acquisition volumetric efficiency of the engine of offer
Value, comprising:
Volumetric efficiency basis is obtained according to the currently running operating point inquiry volumetric efficiency basis arteries and veins spectrogram of the engine
Value, wherein in the arteries and veins spectrogram of the volumetric efficiency basis, different operating points and different volumetric efficiency basis value parameters are right one by one
It answers, volumetric efficiency basis arteries and veins spectrogram is to have demarcated in advance, and the embodiment of the present application is for calibration volumetric efficiency basis arteries and veins spectrum
The method of figure needs specific according to the actual situation choose without limitation, to this.
In addition, provided by the embodiments of the present application according to the currently running operating point of the engine and current atmospheric pressure
Obtain volumetric efficiency correction value, comprising:
Arteries and veins spectrogram is corrected according to the currently running operating point of the engine and current atmospheric pressure inquiry volumetric efficiency
Obtain volumetric efficiency correction value, wherein in volumetric efficiency amendment arteries and veins spectrogram, operating point and atmospheric pressure constitute the second ginseng
It counts, not identical between each second parameter, volumetric efficiency correction value and the second parameter correspond, and the volumetric efficiency corrects arteries and veins
Spectrogram is to have demarcated in advance.
Further, the method for the calibration provided by the embodiments of the present application volumetric efficiency amendment arteries and veins spectrogram may include:
At the second atmospheric pressure F2, detection obtains the corresponding practical air inflow of each operating point；
The ratio of each operating point corresponding theoretical air inflow and practical air inflow is obtained, the ratio is each operating condition
O'clock in the second atmospheric pressure F2Under corresponding volumetric efficiency value, wherein the second atmospheric pressure F2Less than the first atmospheric pressure
F1, to the second atmospheric pressure F in the embodiment of the present application2Specific value without limitation, this is needed to choose according to the actual situation；
Each operating point is obtained in the second atmospheric pressure F2Under corresponding volumetric efficiency value it is corresponding with identical operating point
The difference of basic volumetric efficiency value；
It repeats the above steps, until obtaining each operating point corresponding difference under the second atmospheric pressure of different calibration numerical value
Value, the difference is volumetric efficiency correction value, and each operating point is corresponding under the second atmospheric pressure of different calibration numerical value
Difference Storage can be obtained in same arteries and veins spectrogram volumetric efficiency amendment arteries and veins spectrogram；
It should be understood that the practical air inflow is obtained by the detection of charge flow rate detection device, the charge flow rate
Detection device is used when arteries and veins spectrogram is corrected in calibration.The charge flow rate detection device can be inlet air flow meter, install and use
When, guarantee the straight pipe requirement (internal diameter of d fingering air-flow meter) of 6d after the preceding 3d of the inlet air flow meter；
Volumetric efficiency amendment arteries and veins spectrogram is demarcated according to the above method, then when controlling engine, root
Revised volumetric efficiency value is obtained according to the volumetric efficiency basic value and the volumetric efficiency correction value, comprising: by described
Volumetric efficiency basic value is added with the volumetric efficiency correction value obtains revised volumetric efficiency value.
Alternatively, the method for the calibration volumetric efficiency amendment arteries and veins spectrogram provided by the embodiments of the present application can also include:
In third atmospheric pressure F3Under, detection obtains the corresponding practical air inflow of each operating point；
The ratio of each operating point corresponding theoretical air inflow and practical air inflow is obtained, the ratio is each operating condition
Point is in third atmospheric pressure F3Under corresponding volumetric efficiency value, wherein the third atmospheric pressure F3Less than the first atmospheric pressure
F1, to third atmospheric pressure F in the embodiment of the present application3Specific value without limitation, this is needed to choose according to the actual situation；
Each operating point is obtained in third atmospheric pressure F3Under corresponding volumetric efficiency value it is corresponding with identical operating point
The ratio of basic volumetric efficiency value；
It repeats the above steps, until obtaining each operating point corresponding ratio under the third atmospheric pressure of different calibration numerical value
Value, the ratio is volumetric efficiency correction value, and each operating point is corresponding under the third atmospheric pressure of different calibration numerical value
Ratio be stored in same arteries and veins spectrogram can be obtained volumetric efficiency amendment arteries and veins spectrogram；
It should be understood that the practical air inflow is obtained by the detection of charge flow rate detection device, the charge flow rate
Detection device is used when arteries and veins spectrogram is corrected in calibration.The charge flow rate detection device can be inlet air flow meter, install and use
When, guarantee the straight pipe requirement (internal diameter of d fingering air-flow meter) of 6d after the preceding 3d of the inlet air flow meter；
Volumetric efficiency amendment arteries and veins spectrogram is demarcated according to the above method, then when controlling engine, root
Revised volumetric efficiency value is obtained according to the volumetric efficiency basic value and the volumetric efficiency correction value, comprising: by described
Volumetric efficiency basic value is multiplied with the volumetric efficiency correction value obtains revised volumetric efficiency value.
Alternatively, the method for the calibration volumetric efficiency amendment arteries and veins spectrogram provided by the embodiments of the present application can also include:
The first calibration atmospheric pressure Fj is chosen, at first calibration atmospheric pressure Fj, detection obtains each pair of operation points
The the first practical air inflow of calibration answered, wherein less than the first atmospheric pressure F1, the application is implemented the first calibration atmospheric pressure Fj
In example without limitation to the specific value of first calibration atmospheric pressure Fj, this is needed to choose according to the actual situation；
Obtaining the corresponding first theory of calibration air inflow of each operating point, (intelligible, the first theory of calibration air inflow is
First demarcates the air inflow theoretical value under the conditions of atmospheric pressure Fj) ratio, institute are demarcated with the first of the first practical air inflow of calibration
State the value that the first calibration ratio is each operating point corresponding volumetric efficiency at first calibration atmospheric pressure Fj；
By value and the identical pair of operation points of each operating point corresponding volumetric efficiency at first calibration atmospheric pressure Fj
The basic volumetric efficiency value answered makes the difference, and obtains each operating point corresponding calibration difference at first calibration atmospheric pressure Fj；
At the first reference atmospheric pressure F, detection obtains the corresponding practical air inflow of first benchmark of each operating point,
In, the first reference atmospheric pressure F is less than the first calibration atmospheric pressure Fj, to the first reference atmosphere pressure in the embodiment of the present application
The specific value of power F is without limitation, wherein the data in order to guarantee calibration are more accurate, and the embodiment of the present application can be to first
Reference atmospheric pressure F is limited are as follows: engine air inflow error at the first reference atmospheric pressure F is not more than 3%, wherein it is described into
Tolerance error is the absolute value of the practical air inflow of the first benchmark and the first benchmark theory air inflow difference divided by 100；
Obtaining the corresponding first benchmark theory air inflow of each operating point, (intelligible, the first benchmark theory air inflow is
Air inflow theoretical value under the conditions of first reference atmospheric pressure F) with the first benchmark ratio of the practical air inflow of the first benchmark, it is described
First benchmark ratio is the value of each operating point corresponding volumetric efficiency at the first reference atmospheric pressure F；
The value of each operating point corresponding volumetric efficiency at the first reference atmospheric pressure F is corresponding with identical operating point
Basic volumetric efficiency value makes the difference, and obtains each operating point corresponding reference difference at first reference atmospheric pressure F；
Obtain the corresponding first calibration volumetric efficiency correction factor α j of the first calibration atmospheric pressure Fj, comprising: make each work
Condition point this first calibration atmospheric pressure Fj under corresponding calibration difference divided by identical operating point in first reference atmospheric pressure F
Under corresponding reference difference, obtain the ratio, each operating point corresponds to a ratio, all ratio is carried out average
To average value be the first calibration atmospheric pressure Fj it is corresponding first calibration volumetric efficiency correction factor α j；
Obtain the corresponding first benchmark volumetric efficiency correction factor α of the first reference atmospheric pressure F, comprising: make each operating condition
Point at first reference atmospheric pressure F corresponding reference difference divided by identical operating point at first reference atmospheric pressure F
Corresponding reference difference, obtains the ratio, and each operating point corresponds to a ratio, all ratio is averagely obtained
Average value be the corresponding first benchmark volumetric efficiency correction factor α of reference atmospheric pressure F, i.e. first benchmark inflation effect
Rate correction factor α is 1；
According to formula αi=1+ αΔ(Fi-F)；It is corresponding to calculate the intermediate atmospheric pressure Fi of acquisition first
The first intermediate volumetric efficiency correction factor α i, wherein α △ be the first index variation rate, F < Fi < Fj；
Each operating point corresponding reference difference under the first reference atmospheric pressure is enabled to imitate multiplied by first centre inflation
Each operating point corresponding intermediate difference at the first intermediate atmospheric pressure Fi can be obtained in rate correction factor α i；
Above-mentioned calculating step is repeated, it is corresponding under the first intermediate atmospheric pressure of different numerical value until obtaining each operating point
Intermediate difference, the intermediate difference is volumetric efficiency correction value, by the corresponding calibration difference of each operating point, each operating condition
Point corresponding reference difference and each operating point corresponding intermediate difference under the first intermediate atmospheric pressure of different numerical value is deposited
Storage can be obtained volumetric efficiency amendment arteries and veins spectrogram in same arteries and veins spectrogram.
Further, it in order to enable the first intermediate volumetric efficiency correction factor α i result obtained is more accurate, is calculating
When the first index variation rate α △, the first calibration atmospheric pressure of multiple and different numerical value can choose, respectively in each different numerical value
The first calibration atmospheric pressure under, detection obtains the practical air inflow of each operating point corresponding first calibration, and utilizes above-mentioned side
Method obtains each operating point corresponding first calibration difference under the first calibration atmospheric pressure of different numerical value, and corresponding acquisition
The corresponding volumetric efficiency correction factor of the first calibration atmospheric pressure of each difference numerical value；
Utilize formulaThe corresponding coefficient of the first calibration atmospheric pressure for obtaining each different numerical value becomes
Rate is averaged as the first index variation rate α △ multiple index variation rates of acquisition；
It should be understood that the practical air inflow is obtained by the detection of charge flow rate detection device, the charge flow rate
Detection device is used when arteries and veins spectrogram is corrected in calibration.The charge flow rate detection device can be inlet air flow meter, install and use
When, guarantee the straight pipe requirement (internal diameter of d fingering air-flow meter) of 6d after the preceding 3d of the inlet air flow meter；
Volumetric efficiency amendment arteries and veins spectrogram is demarcated according to the above method, then when controlling engine, root
Revised volumetric efficiency value is obtained according to the volumetric efficiency basic value and the volumetric efficiency correction value, comprising: by described
Volumetric efficiency basic value is added with the volumetric efficiency correction value obtains revised volumetric efficiency value.
Alternatively, the method for the calibration volumetric efficiency amendment arteries and veins spectrogram provided by the embodiments of the present application can also include:
The second calibration atmospheric pressure F ' j is chosen, at second calibration atmospheric pressure F ' j, detection obtains each operating point
The practical air inflow of corresponding second calibration, wherein atmospheric pressure F ' j is less than the first atmospheric pressure F1, the application for second calibration
In embodiment without limitation to the specific value of second calibration atmospheric pressure F ' j, this is needed to choose according to the actual situation；
Obtaining the corresponding second theory of calibration air inflow of each operating point, (intelligible, the second theory of calibration air inflow is
Second demarcates the air inflow theoretical value under the conditions of atmospheric pressure F ' j) ratio, institute are demarcated with the second of the second practical air inflow of calibration
State the value that the second calibration ratio is each operating point corresponding volumetric efficiency at second calibration atmospheric pressure F ' j；
Enable the value of each operating point corresponding volumetric efficiency at second calibration atmospheric pressure F ' j divided by identical operating point
Corresponding basis volumetric efficiency value obtains each operating point corresponding calibration ratio at second calibration atmospheric pressure F ' j；
At the second reference atmospheric pressure F ', detection obtains the corresponding practical air inflow of second benchmark of each operating point,
In, the second reference atmospheric pressure F ' is less than the second calibration atmospheric pressure F ' j, to the second reference atmosphere in the embodiment of the present application
The specific value of pressure F ' is without limitation, wherein the data in order to guarantee calibration are more accurate, and the embodiment of the present application can be to the
Two reference atmospheric pressure F ' are limited are as follows: engine air inflow error at the second reference atmospheric pressure F ' is not more than 3%, wherein institute
Stating air inflow error is the absolute value of the practical air inflow of the second benchmark and the second benchmark theory air inflow difference divided by 100；
Obtaining the corresponding second benchmark theory air inflow of each operating point, (intelligible, the second benchmark theory air inflow is
Air inflow theoretical value under the conditions of second reference atmospheric pressure F ') with the second benchmark ratio of the practical air inflow of the second benchmark, institute
State the value that the second benchmark ratio is each operating point corresponding volumetric efficiency at the second reference atmospheric pressure F '；
Enable the value of each operating point corresponding volumetric efficiency at the second reference atmospheric pressure F ' divided by identical pair of operation points
The basic volumetric efficiency value answered obtains each operating point corresponding benchmark ratio at second reference atmospheric pressure F '；
Obtain the corresponding second calibration volumetric efficiency correction factor α ' of the second calibration atmospheric pressure F ' jj, comprising: make each
Operating point this second calibration atmospheric pressure F ' j under corresponding calibration ratio divided by identical operating point in the second reference atmosphere pressure
Corresponding benchmark ratio under power F ', obtains the ratio, and each operating point corresponds to a ratio, all ratio carried out flat
The average value obtained is the corresponding second calibration volumetric efficiency correction factor α ' j of the second calibration atmospheric pressure F ' j；
Obtain the corresponding second benchmark volumetric efficiency correction factor α ' of the second reference atmospheric pressure F ', comprising: make each work
Condition point at second reference atmospheric pressure F ' corresponding benchmark ratio divided by identical operating point in second reference atmospheric pressure
Corresponding benchmark ratio under F ', obtains the ratio, and each operating point corresponds to a ratio, all ratio is averaged
Obtained average value is the corresponding second benchmark volumetric efficiency correction factor α ' of reference atmospheric pressure F ', i.e., described second benchmark
Volumetric efficiency correction factor α ' is 1；
According to formula α 'i=1+ α 'Δ(F'i-F')；It calculates and obtains the second intermediate atmospheric pressure
The corresponding second intermediate volumetric efficiency correction factor α ' i of F ' i, wherein α ' △ is the second index variation rate, F ' < F ' i < F ' j；
Each operating point corresponding benchmark ratio under the second reference atmospheric pressure is enabled to imitate multiplied by second centre inflation
Each operating point corresponding intermediate ratio at the second intermediate atmospheric pressure F ' i can be obtained in rate correction factor α ' i；
Above-mentioned calculating step is repeated, it is corresponding under the second intermediate atmospheric pressure of different numerical value until obtaining each operating point
Intermediate ratio, the intermediate ratio is volumetric efficiency correction value, by the corresponding calibration ratio of each operating point, each operating condition
Point corresponding benchmark ratio and each operating point corresponding intermediate ratio under the second intermediate atmospheric pressure of different numerical value is deposited
Storage can be obtained volumetric efficiency amendment arteries and veins spectrogram in same arteries and veins spectrogram.
Further, it in order to enable the second intermediate volumetric efficiency correction factor α ' the i result obtained is more accurate, is calculating
When the second index variation rate α ' △, the second calibration atmospheric pressure of multiple and different numerical value can choose, respectively in each different numbers
Under the second calibration atmospheric pressure being worth, detection obtains the practical air inflow of corresponding second calibration of each operating point, and utilizes above-mentioned
Method obtains each operating point corresponding calibration ratio under the second calibration atmospheric pressure of different numerical value, and corresponding acquisition is each
The corresponding volumetric efficiency correction factor of the second calibration atmospheric pressure of a difference numerical value；
Utilize formulaObtain the corresponding system of the second calibration atmospheric pressure of each different numerical value
Number change rate, is averaged as the second index variation rate α ' △ multiple index variation rates of acquisition；
It should be understood that the practical air inflow is obtained by the detection of charge flow rate detection device, the charge flow rate
Detection device is used when arteries and veins spectrogram is corrected in calibration.The charge flow rate detection device can be inlet air flow meter, install and use
When, guarantee the straight pipe requirement (internal diameter of d fingering air-flow meter) of 6d after the preceding 3d of the inlet air flow meter；
Volumetric efficiency amendment arteries and veins spectrogram is demarcated according to the above method, then when controlling engine, root
Revised volumetric efficiency value is obtained according to the volumetric efficiency basic value and the volumetric efficiency correction value, comprising: by described
Volumetric efficiency basic value is multiplied with the volumetric efficiency correction value obtains revised volumetric efficiency value.
It is provided by the present application that distributive value is obtained according to the revised volumetric efficiency value in one embodiment of the application,
Include:
Obtain the theoretical air inflow of the engine；
The air inflow of the engine is obtained according to the theoretical air inflow and the revised volumetric efficiency value；
The distributive value is calculated according to the air inflow.
It should be noted that it is described theory air inflow characterization be new charge amount theoretical value, can be preparatory mark
It is fixed, be also possible to obtain by calculating, the embodiment of the present application for theory of calibration air inflow method without limitation, to this
It needs specifically to choose according to the actual situation.
In one embodiment of the application, the theoretical air inflow provided by the present application for obtaining engine, comprising:
According to formulaCalculate the theoretical air inflow for obtaining engine, wherein M1For reason
By air inflow, P1It is engine charge pressure, kTIt is the correction factor of Engine Inlet Temperature, kVSAIt is the amendment system of throttle valve
Number, k1It is first constant, V is the discharge capacity of engine, K2It is second constant, T is the intake air temperature of engine.
It should be noted that the second constant provided by the embodiments of the present application can be 0.348.
And engine charge pressure provided by the embodiments of the present application, the correction factor of Engine Inlet Temperature, throttle valve
Correction factor, the intake air temperature of first constant, the discharge capacity of engine, second constant and engine is known quantity, above-mentioned ginseng
Several acquisition modes are the prior art, and details are not described herein.
It is provided by the present application according to the theoretical air inflow and revised volumetric efficiency value in one embodiment of the application
Obtain air input of engine by air, comprising:
According toCalculate air inflow, wherein M2For air inflow, M1For theoretical air inflow, N is revised inflation
Efficiency value.
It should be noted that the air inflow refers to the practical air inflow of fresh air, also that is, new charge amount.
And the theoretical air inflow refers to the air inflow for the fresh air that theoretically engine needs.
And the volumetric efficiency refers to the ratio of theoretical air inflow Yu practical air inflow, the practical air inflow is being filled
It is obtained in the calibration process of gas efficiency by the detection of charge flow rate detection device.
It is provided by the present application that distributive value is calculated according to the air inflow in one embodiment of the application, comprising:
According toIt calculates and obtains distributive value, wherein S is distributive value, M2For air inflow, K3For three constant, λ
For excess air coefficient.
It should be noted that three constant provided by the present application can for 14.5 and the excess air coefficient be known
Amount, acquisition modes are the prior art, and details are not described herein.
As shown in figure 4, the embodiment of the present application provides a kind of engine control system, comprising:
Atmospheric pressure obtains module, for obtaining current atmospheric pressure；
Engine control module is used for when the current atmospheric pressure is less than default atmospheric pressure threshold value, described in control
Engine corrects current volumetric efficiency, and controls the engine oil spout according to revised volumetric efficiency.
It should be noted that the engine control module, which obtains module from atmospheric pressure, obtains current atmospheric pressure.
When the current atmospheric pressure is not less than default atmospheric pressure threshold value, controls the engine and obtain basis inflation
Efficiency controls the engine oil spout according to basic volumetric efficiency, wherein the basis volumetric efficiency is in the first atmospheric pressure
The volumetric efficiency of lower calibration, the embodiment of the present application for " the first atmospheric pressure " specific value without limitation, root is needed to this
It carries out specific calculate according to practical application to choose, optionally, first atmospheric pressure is 1 standard atmospheric pressure, characterizes flat land
Area.
The atmospheric pressure obtains module, can be ambient pressure sensor, and the ambient pressure sensor is arranged in ECU
Shell on.
The engine control module can be ECU.
It should be understood that atmospheric pressure is gradually reduced with the raising of height above sea level, therefore, obtaining current atmospheric pressure is to use
In the atmospheric pressure for determining engine current operating environment, when the current atmospheric pressure is less than default atmospheric pressure threshold value,
Illustrate that engine current operating environment is not suitable for controlling engine using basic volumetric efficiency, therefore, controls the hair
Motivation corrects current volumetric efficiency, and controls the engine oil spout according to revised volumetric efficiency.
As shown in figure 5, in one embodiment of the application, the engine control module includes:
Volumetric efficiency acquiring unit, for obtaining volumetric efficiency basic value and volumetric efficiency correction value；
Volumetric efficiency amending unit, for being repaired according to the volumetric efficiency basic value and volumetric efficiency correction value acquisition
Volumetric efficiency value after just corrects current inflation effect to control the engine according to the revised volumetric efficiency value
Rate；
Engine Injection Mass control unit, for obtaining distributive value, control hair according to the revised volumetric efficiency value
Motivation is according to the distributive value oil spout.
It should be noted that obtaining revised fill according to the volumetric efficiency basic value and the volumetric efficiency correction value
Gas efficiency value, comprising: be added by the volumetric efficiency basic value with the volumetric efficiency correction value and obtain revised inflation
Efficiency value；Alternatively, being multiplied by the volumetric efficiency basic value with the volumetric efficiency correction value obtains revised inflation effect
Rate value.
In one embodiment of the application, the volumetric efficiency acquiring unit includes:
Operating point obtains subelement, for obtaining the currently running operating point of engine；
Volumetric efficiency basic value obtains subelement, for obtaining inflation effect according to the currently running operating point of the engine
Rate basic value；
Volumetric efficiency correction value obtains subelement, for according to the currently running operating point of the engine and currently big
Atmospheric pressure obtains volumetric efficiency correction value.
It should be noted that obtaining the currently running operating point of engine, comprising:
Obtain the currently running revolving speed of engine and distributive value；
The operating point of engine is determined according to the revolving speed and distributive value inquiry operating point arteries and veins spectrogram, wherein in the work
In condition point arteries and veins spectrogram, revolving speed and distributive value constitute the first parameter, not identical between each first parameter, each operating point with it is each
First parameter corresponds, and the operating point arteries and veins spectrogram is demarcated in advance, and the embodiment of the present application composes declared working condition point arteries and veins
The method of figure needs specific according to the actual situation choose without limitation, to this.
Volumetric efficiency basic value is obtained according to the currently running operating point of the engine, comprising:
Volumetric efficiency basis is obtained according to the currently running operating point inquiry volumetric efficiency basis arteries and veins spectrogram of the engine
Value, wherein in the arteries and veins spectrogram of the volumetric efficiency basis, different operating points and different volumetric efficiency basis value parameters are right one by one
It answers, volumetric efficiency basis arteries and veins spectrogram is to have demarcated in advance, and the embodiment of the present application is for calibration volumetric efficiency basis arteries and veins spectrum
The method of figure needs specific according to the actual situation choose without limitation, to this.
Volumetric efficiency correction value, packet are obtained according to the currently running operating point of the engine and current atmospheric pressure
It includes:
Arteries and veins spectrogram is corrected according to the currently running operating point of the engine and current atmospheric pressure inquiry volumetric efficiency
Obtain volumetric efficiency correction value, wherein in volumetric efficiency amendment arteries and veins spectrogram, operating point and atmospheric pressure constitute the second ginseng
It counts, not identical between each second parameter, volumetric efficiency correction value and the second parameter correspond, and the volumetric efficiency corrects arteries and veins
Spectrogram is to have demarcated in advance.
In one embodiment of the application, Engine Injection Mass control unit provided by the present application includes:
Theoretical air inflow obtains subelement, for obtaining the theoretical air inflow of the engine；
Air inflow obtains subelement, for obtaining the hair according to the theoretical air inflow and revised volumetric efficiency value
The air inflow of motivation；
Distributive value computation subunit, for calculating distributive value according to the air inflow.
It should be noted that it is described theory air inflow characterization be FAI Fresh Air Intake amount theoretical value, can be pre-
First demarcate, be also possible to by calculate obtain, the embodiment of the present application for theory of calibration air inflow method without limitation,
It is the prior art, needs specific according to the actual situation choose to this.
In one embodiment of the application, the theoretical air inflow provided by the present application obtains the reason that subelement obtains engine
Include: by air inflow
According toCalculate the theoretical air inflow for obtaining engine, wherein M1For theory into
Tolerance, P1It is engine charge pressure, kTIt is the correction factor of Engine Inlet Temperature, kVSAIt is the correction factor of throttle valve, k1
It is first constant, V is the discharge capacity of engine, K2It is second constant, T is the intake air temperature of engine.
It should be noted that the second constant provided by the embodiments of the present application can be 0.348.
And engine charge pressure provided by the embodiments of the present application, the correction factor of Engine Inlet Temperature, throttle valve
Correction factor, the intake air temperature of first constant, the discharge capacity of engine, second constant and engine is known quantity, above-mentioned ginseng
Several acquisition modes are the prior art, and details are not described herein.
In one embodiment of the application, the air inflow provided by the present application obtains subelement according to the theoretical air inflow
Air input of engine by air is obtained with revised volumetric efficiency value, comprising:
According toCalculate air inflow, wherein M2For air inflow, M1For theoretical air inflow, N is revised inflation
Efficiency value.
It should be noted that the air inflow refers to the practical air inflow of fresh air, also that is, new charge amount.
And the theoretical air inflow refers to the air inflow for the fresh air that theoretically engine needs.
And the volumetric efficiency refers to the ratio of theoretical air inflow Yu practical air inflow, the practical air inflow is being filled
It is obtained in the calibration process of gas efficiency by the detection of charge flow rate detection device.
In one embodiment of the application, the distributive value computation subunit provided by the present application is calculated according to the air inflow
Distributive value, comprising:
According toIt calculates and obtains distributive value, wherein S is distributive value, M2For air inflow, K3For three constant, λ
For excess air coefficient.
It should be noted that three constant provided by the present application can for 14.5 and the excess air coefficient be known
Amount, acquisition modes are the prior art, and details are not described herein.
The application implementation provides a kind of engine, comprising: any engine control system described above.
This application provides a kind of engine control, control device and engine, engine controls, comprising:
Obtain current atmospheric pressure；When the current atmospheric pressure is less than default atmospheric pressure threshold value, the engine amendment is controlled
Current volumetric efficiency, and the engine oil spout is controlled according to revised volumetric efficiency.As shown in the above, of the invention
The technical solution of offer, by the atmospheric pressure of real-time monitoring engine local environment, when atmospheric pressure is less than default atmospheric pressure
When force threshold, then distributive value is calculated according to revised volumetric efficiency, and control the engine oil spout, and then prevent fuel oil from firing
Burn it is insufficient, guarantee engine discharge exhaust gas in grain amount it is less, prevent engine emission from deteriorating.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (15)
1. a kind of engine control characterized by comprising
Obtain current atmospheric pressure；
When the current atmospheric pressure is less than default atmospheric pressure threshold value, controls the engine and correct current inflation effect
Rate, and the engine oil spout is controlled according to revised volumetric efficiency.
2. the method according to claim 1, wherein controlling the engine corrects current volumetric efficiency, and
The engine oil spout is controlled according to revised volumetric efficiency, comprising:
Obtain volumetric efficiency basic value and volumetric efficiency correction value；
Revised volumetric efficiency value is obtained according to the volumetric efficiency basic value and the volumetric efficiency correction value, according to institute
It states revised volumetric efficiency value and controls the engine and correct current volumetric efficiency；
Distributive value is obtained according to the revised volumetric efficiency value, controls the engine according to the distributive value oil spout.
3. according to the method described in claim 2, it is characterized in that, obtaining volumetric efficiency basic value and volumetric efficiency correction value packet
It includes:
Obtain the currently running operating point of engine；
Volumetric efficiency basic value is obtained according to the currently running operating point of the engine；
Volumetric efficiency correction value is obtained according to the currently running operating point of the engine and current atmospheric pressure.
4. according to the method described in claim 2, it is characterized in that, obtaining oil spout according to the revised volumetric efficiency value
Amount, comprising:
Obtain the theoretical air inflow of the engine；
The air inflow of the engine is obtained according to the theoretical air inflow and the revised volumetric efficiency value；
The distributive value is calculated according to the air inflow.
5. according to the method described in claim 4, it is characterized in that, the theoretical air inflow for obtaining engine includes:
According toCalculate the theoretical air inflow for obtaining engine, wherein M1For theoretical air inlet
Amount, P1It is engine charge pressure, kTIt is the correction factor of Engine Inlet Temperature, kVSAIt is the correction factor of throttle valve, k1It is
First constant, V are the discharge capacity of engine, K2It is second constant, T is the intake air temperature of engine.
6. according to the method described in claim 5, it is characterized in that, described according to the theoretical air inflow and revised inflation
Efficiency value obtains air input of engine by air, comprising:
According toCalculate air inflow, wherein M2For air inflow, M1For theoretical air inflow, N is revised volumetric efficiency
Value.
7. according to the method described in claim 6, it is characterized in that, described calculate distributive value according to the air inflow, comprising:
According toIt calculates and obtains distributive value, wherein S is distributive value, M2For air inflow, K3For three constant, λ is excessive
Air coefficient.
8. a kind of engine control system characterized by comprising
Atmospheric pressure obtains module, for obtaining current atmospheric pressure；
Engine control module, for starting described in control when the current atmospheric pressure is less than default atmospheric pressure threshold value
Machine maintenance controls the engine oil spout just when preceding volumetric efficiency, and according to revised volumetric efficiency.
9. engine control system according to claim 8, which is characterized in that the engine control module includes:
Volumetric efficiency acquiring unit, for obtaining volumetric efficiency basic value and volumetric efficiency correction value；
Volumetric efficiency amending unit, after obtaining amendment according to the volumetric efficiency basic value and the volumetric efficiency correction value
Volumetric efficiency value, correct current volumetric efficiency to control the engine according to the revised volumetric efficiency value；
Engine Injection Mass control unit controls engine for obtaining distributive value according to the revised volumetric efficiency value
According to the distributive value oil spout.
10. engine control system according to claim 9, which is characterized in that the volumetric efficiency acquiring unit includes:
Operating point obtains subelement, for obtaining the currently running operating point of engine；
Volumetric efficiency basic value obtains subelement, for obtaining volumetric efficiency base according to the currently running operating point of the engine
Plinth value；
Volumetric efficiency correction value obtains subelement, for according to the currently running operating point of the engine and current atmospheric pressure
Power obtains volumetric efficiency correction value.
11. engine control system according to claim 9, which is characterized in that Engine Injection Mass control unit includes:
Theoretical air inflow obtains subelement, for obtaining the theoretical air inflow of the engine；
Air inflow obtains subelement, for obtaining the engine according to the theoretical air inflow and revised volumetric efficiency value
Air inflow；
Distributive value computation subunit, for calculating distributive value according to the air inflow.
12. engine control system according to claim 11, which is characterized in that the theory air inflow obtains subelement and obtains
The theoretical air inflow for taking engine includes:
According toCalculate the theoretical air inflow for obtaining engine, wherein M1For theoretical air inlet
Amount, P1It is engine charge pressure, kTIt is the correction factor of Engine Inlet Temperature, kVSAIt is the correction factor of throttle valve, k1It is
First constant, V are the discharge capacity of engine, K2It is second constant, T is the intake air temperature of engine.
13. engine control system according to claim 12, which is characterized in that the air inflow obtains subelement according to institute
It states theoretical air inflow and revised volumetric efficiency value obtains air input of engine by air, comprising:
According toCalculate air inflow, wherein M2For air inflow, M1For theoretical air inflow, N is revised volumetric efficiency
Value.
14. 3 engine control system according to claim 1, which is characterized in that the distributive value computation subunit is according to institute
It states air inflow and calculates distributive value, comprising:
According toIt calculates and obtains distributive value, wherein S is distributive value, M2For air inflow, K3For three constant, λ is excessive
Air coefficient.
15. a kind of engine characterized by comprising the engine control system as described in claim 8-14 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910931886.4A CN110469416A (en) | 2019-09-29 | 2019-09-29 | A kind of engine control, control device and engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910931886.4A CN110469416A (en) | 2019-09-29 | 2019-09-29 | A kind of engine control, control device and engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110469416A true CN110469416A (en) | 2019-11-19 |
Family
ID=68516937
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910931886.4A Pending CN110469416A (en) | 2019-09-29 | 2019-09-29 | A kind of engine control, control device and engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110469416A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113482767A (en) * | 2021-05-26 | 2021-10-08 | 珠海天晴航空航天科技有限公司 | Unmanned aerial vehicle and engine control method thereof |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011012551A (en) * | 2009-06-30 | 2011-01-20 | Hitachi Automotive Systems Ltd | Control device of internal combustion engine |
| CN202023643U (en) * | 2011-04-06 | 2011-11-02 | 重庆长安伟世通发动机控制系统有限公司 | Automatic adjusting device for air inflow of electronic fuel injection engine during deceleration under different elevation donations |
| CN102829837A (en) * | 2012-08-08 | 2012-12-19 | 潍柴动力股份有限公司 | Method, device and system for measurement of oil injection volume |
| CN105986917A (en) * | 2016-06-30 | 2016-10-05 | 深圳市元征科技股份有限公司 | Control method and device for oil injection amount of engine |
| CN107489552A (en) * | 2016-12-12 | 2017-12-19 | 宝沃汽车（中国）有限公司 | Fuel injection control method, device, system and vehicle |
| KR20180016736A (en) * | 2015-06-12 | 2018-02-19 | 폭스바겐 악티엔 게젤샤프트 | Determination of air charge, engine control unit and internal combustion engine |
| CN109268158A (en) * | 2018-09-27 | 2019-01-25 | 安徽江淮汽车集团股份有限公司 | A kind of modified method and system of air input of engine by air |
| CN109882300A (en) * | 2017-12-06 | 2019-06-14 | 上海汽车集团股份有限公司 | A kind of method and apparatus for correcting volumetric efficiency |
| US20190292950A1 (en) * | 2018-03-26 | 2019-09-26 | Mitsubishi Jidosha Kogyo Kabushiki Kaisha | Control device for internal combustion engine |
-
2019
- 2019-09-29 CN CN201910931886.4A patent/CN110469416A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011012551A (en) * | 2009-06-30 | 2011-01-20 | Hitachi Automotive Systems Ltd | Control device of internal combustion engine |
| CN202023643U (en) * | 2011-04-06 | 2011-11-02 | 重庆长安伟世通发动机控制系统有限公司 | Automatic adjusting device for air inflow of electronic fuel injection engine during deceleration under different elevation donations |
| CN102829837A (en) * | 2012-08-08 | 2012-12-19 | 潍柴动力股份有限公司 | Method, device and system for measurement of oil injection volume |
| KR20180016736A (en) * | 2015-06-12 | 2018-02-19 | 폭스바겐 악티엔 게젤샤프트 | Determination of air charge, engine control unit and internal combustion engine |
| CN105986917A (en) * | 2016-06-30 | 2016-10-05 | 深圳市元征科技股份有限公司 | Control method and device for oil injection amount of engine |
| CN107489552A (en) * | 2016-12-12 | 2017-12-19 | 宝沃汽车（中国）有限公司 | Fuel injection control method, device, system and vehicle |
| CN109882300A (en) * | 2017-12-06 | 2019-06-14 | 上海汽车集团股份有限公司 | A kind of method and apparatus for correcting volumetric efficiency |
| US20190292950A1 (en) * | 2018-03-26 | 2019-09-26 | Mitsubishi Jidosha Kogyo Kabushiki Kaisha | Control device for internal combustion engine |
| CN109268158A (en) * | 2018-09-27 | 2019-01-25 | 安徽江淮汽车集团股份有限公司 | A kind of modified method and system of air input of engine by air |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113482767A (en) * | 2021-05-26 | 2021-10-08 | 珠海天晴航空航天科技有限公司 | Unmanned aerial vehicle and engine control method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP0567525B1 (en) | Engine management system | |
| EP1682759B1 (en) | NOx DISCHARGE QUANTITY ESTIMATION METHOD FOR INTERNAL COMBUSTION ENGINE | |
| CN100432399C (en) | Cam phaser and dod coordination for engine torque control | |
| CN102892999B (en) | The control gear of internal-combustion engine | |
| CN111894748B (en) | Control method and control system for smoke limit under idle working condition of engine | |
| CN109268158A (en) | A kind of modified method and system of air input of engine by air | |
| JPS59131736A (en) | Diesel fuel injection pump with adaptability torque balancing controller | |
| CA2626995A1 (en) | Fuel injection control method for a direct injection gaseous-fuelled internal combustion engine | |
| CN106150738B (en) | Fuel injector wear correction method | |
| CN103382899B (en) | A kind of method and apparatus recovering engine power under altitude environment | |
| CN103119275A (en) | Control device for internal combustion engine | |
| JP4173565B2 (en) | Method for determining the load signal of an internal combustion engine with external exhaust gas recirculation | |
| KR20200074520A (en) | Purge concentration calculate controlling method in active purge system and method for controlling fuel amount using the same | |
| CN113357017A (en) | Method for controlling rotating speed of aircraft engine in acceleration process | |
| CN110469416A (en) | A kind of engine control, control device and engine | |
| CN102822482B (en) | The control gear of internal-combustion engine | |
| US20020124838A1 (en) | Method for compensating for abnormal changes in the gas flow passing through an exhaust gas recirculation line of an internal combustion engine | |
| WO2011125601A1 (en) | Idle rotation speed control device for bifuel engine | |
| CN104481716A (en) | Ethyl alcohol flexible fuel engine fuel injection quantity control method and system | |
| JP5076879B2 (en) | Fuel injection control system for internal combustion engine | |
| CN106401759B (en) | Control method, system and the vehicle with the system of dual fuel engine | |
| US9822697B2 (en) | Turbine expansion ratio estimation for model-based boost control | |
| CN108603450A (en) | The method and controller of the residual gas quality in cylinder for calculating internal combustion engine | |
| JPWO2012020509A1 (en) | Control device for internal combustion engine | |
| CN110094268A (en) | The control device of internal combustion engine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20191119 |
|
| RJ01 | Rejection of invention patent application after publication |