CN108869069A - A kind of throttle opening control method of automobile, apparatus and system - Google Patents
A kind of throttle opening control method of automobile, apparatus and system Download PDFInfo
- Publication number
- CN108869069A CN108869069A CN201810705900.4A CN201810705900A CN108869069A CN 108869069 A CN108869069 A CN 108869069A CN 201810705900 A CN201810705900 A CN 201810705900A CN 108869069 A CN108869069 A CN 108869069A
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- aperture
- amplitude
- rotating speed
- difference
- adjustment
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Classifications
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- 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
- F02D41/0002—Controlling intake air
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D9/00—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits
- F02D9/02—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits concerning induction conduits
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D9/00—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits
- F02D9/02—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits concerning induction conduits
- F02D2009/0201—Arrangements; Control features; Details thereof
- F02D2009/023—Engine speed
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
Abstract
The present invention provides a kind of methods, devices and systems of aperture for controlling automotive engine throttle.The method may include：The aperture regulation period is determined based on the difference of present engine revolving speed and rotating speed of target；Difference when meeting the aperture regulation period based on present engine revolving speed and rotating speed of target determines the amplitude of the aperture of air throttle；Amplitude based on the aperture executes aperture adjustment.To realize the automotive engine throttle aperture adjustment of variable element, engine can effectively, be quickly set to enter desired operation operating condition and avoid overshoot.
Description
Technical field
The present invention relates to hybrid electric vehicle technical field more particularly to a kind of control carburetor solar term of hybrid electric vehicle
The method, apparatus and system of door aperture.
Background technique
Raising with people to environmental consciousness, energy conservation and environmental protection have incorporated the dribs and drabs of our lives gradually.Automobile
The transition of industry also has become everybody common recognition, and hybrid vehicle main power source is battery, engine and power generation
Machine only increases petrol engine as stand-by power on the basis of pure electric vehicle, has multi power source, energy conservation, discharge low
Remarkable advantage obtains worldwide highest attention.
The throttle opening of automobile engine refers to the opening angle of engine air throttle.Automotive engine throttle is by driving
The person of sailing is manipulated by accelerator pedal, to change the air inflow of engine, to control the operating of engine.And different section
Valve opening indicates the different Operation Conditions of engine.Hyundai Motor generallys use electronic throttle system, pilot control
Accelerator pedal, accelerator pedal position sensor generate corresponding voltage signal and input throttle valve control unit, and control unit is first
The signal of input is filtered, to eliminate the influence of ambient noise, then according to current operating mode, pedal amount of movement
Driver intention is parsed with change rate, the primary demand to engine torque is calculated, obtains the base of corresponding throttle angle
This desired value.Then it is communicated using CAN bus and full-vehicle control unit, obtains other work informations and various biographies
Thus sensor signal such as engine speed, gear, throttle position, air conditioning energy consumption etc. calculates the required whole of vehicle
Torque obtains the best aperture of air throttle, and corresponding voltage signal by compensating to throttle angle desired value
It is sent to drive circuit module, drive control motor throttle valve reaches optimal open position.Throttle position sensor is then
The opening amount signal of air throttle is fed back to throttle valve control unit, forms the position control of closed loop.
In the prior art, PID control is generallyd use to the regulation of throttle opening, i.e., in the ratio of deviation (P), product
Point (I) and differential (D) are controlled, and in this process, setting parameter all uses fixed coefficient, when execution in elimination static difference, mention
There is greater advantage on high control precision.But in engine start, end or the significantly disturbance by a relatively large margin of increase and decrease setting
Or when significantly alterring given value, since coefficient is constant, in entire control process, increment is constant, system in the short time
System output has very big deviation.Due to thering is biggish deviation and system to have inertia and lag at this time, therefore in integral term
Biggish overshoot and prolonged fluctuation are often generated under effect.
For example, the output for the controller that PID is adjusted is increased due to the continuous cumulative of increment, executing agency reaches capacity
Position, if controller output continues to increase, executing agency's aperture can not increase again, and the control amount of computer output at this time is super
Go out normal operation range and enters saturation region.Only there is Reversal value in system, could gradually exit from saturation region.And into
It is more deep to enter saturation region, it is longer to exit the saturation region time.During this period, executing agency remain in extreme position without
Corresponding change is reversely made immediately with deviation, and at this moment system causes the deterioration of control performance just as out of control, this
Phenomenon is known as integrating saturated phenomenon or integral out-of-control phenomenon.
Therefore, there is an urgent need to one kind can control the regulation and control scheme of carburettor for automobile engine perseverance revolving speed, can effectively,
Quickly engine is made to enter desired operation operating condition and avoid overshoot.
Summary of the invention
For this purpose, the basic idea of the invention is that the PID regulation of variable element is provided, so as to change the cumulative speed of increment
Degree, and parameter correction is carried out according to the deviation size of system in real time to regulate and control coefficient magnitude, so that itself and deviation size are opposite
It answers.Therefore, according to the technique and scheme of the present invention, system deviation hour, incremental contribution weaken even completely without and big in deviation
When, then increment is to reinforce, so as to effectively and quickly make engine enter desired operation operating condition and stablize engine perseverance
Revolving speed.
According to an embodiment of the invention, a kind of method of aperture for controlling automotive engine throttle is provided, including：
The aperture regulation period is determined based on the difference of present engine revolving speed and rotating speed of target；When meeting the aperture regulation period
Based on present engine revolving speed and rotating speed of target difference determine air throttle aperture amplitude；Amplitude based on the aperture
Execute aperture adjustment.
According to another embodiment of the invention, the method also includes：Aperture zero is determined before executing aperture adjustment
Point.
According to another embodiment of the invention, the step of determining aperture regulation period further comprises：Acquisition is worked as
Front engine revolving speed；Determine the difference of present engine revolving speed and rotating speed of target；Determine the correspondence aperture tune of the rotating speed difference
Save the period.
According to another embodiment of the invention, the step of determining corresponding aperture regulation period is further configured
For：If current rotating speed is greater than or equal to rotating speed of target, shorten the aperture regulation period.
According to another embodiment of the invention, the step of execution aperture adjusts is configured to：If institute
The amplitude for stating aperture is less than first threshold, or if the amplitude of the aperture is greater than and/or is equal to first threshold, and previous opens
The amplitude value added of degree be less than second threshold, or if the amplitude of the aperture be greater than and/or be equal to the first threshold, and
The amplitude value added of previous aperture is less than the half or special ratios of previous aperture amplitude value added, then executes the aperture
The aperture of amplitude adjusts；Otherwise the secondary aperture adjustment is abandoned.
According to another embodiment of the invention, the step of execution aperture adjusts is configured to：If worked as
Preceding revolving speed is less than the difference of idling and predetermined value, then executes aperture adjustment；And if newest current rotating speed is greater than idling and makes a reservation for
The sum of value then further executes the adjustment of half aperture.
According to another embodiment of the invention, it additionally provides a kind of for controlling the aperture of automotive engine throttle
Device.Described device includes：Aperture regulation cycle determining device, for based on present engine revolving speed and rotating speed of target
Difference determines the aperture regulation period；The amplitude determining device of aperture, it is current for being based on when meeting the aperture regulation period
Engine speed and the difference of rotating speed of target determine the amplitude of the aperture of air throttle；Aperture adjusts executive device, for being based on institute
The amplitude for stating aperture executes aperture adjustment.
According to another embodiment of the invention, the aperture regulation cycle determining device is configured to：It obtains
Present engine revolving speed；Determine the difference of present engine revolving speed and rotating speed of target；Determine the correspondence aperture of the rotating speed difference
Regulating cycle.
According to another embodiment of the invention, the aperture regulation cycle determining device is configured to：If
Current rotating speed is greater than or equal to rotating speed of target, then shortens the aperture regulation period.
According to another embodiment of the invention, the aperture adjustment executive device is configured to：If described
The amplitude of aperture is less than first threshold, then the amplitude of the aperture increases；If the amplitude of the aperture is greater than and/or is equal to
First threshold, and the amplitude value added of previous aperture is less than second threshold, then the amplitude of the aperture increases；If described open
The amplitude of degree is greater than and/or is equal to first threshold, and the amplitude value added of previous aperture is less than the amplitude value added of previous aperture
Half or special ratios, then the aperture amplitude increase；Otherwise the amplitude of the aperture is maintained.
According to another embodiment of the invention, the aperture adjustment executive device is configured to：If current
Revolving speed is less than the difference of idling and predetermined value, then executes aperture adjustment；And if newest current rotating speed is greater than idling and predetermined value
The sum of, then further execute the adjustment of half aperture.
According to another embodiment of the invention, a kind of hybrid electric vehicle is additionally provided, may include sending out as described above
Motivation throttle opening adjusts device.
Detailed description of the invention
Fig. 1 is a kind of method of the aperture of control automotive engine throttle of specific embodiment according to the present invention
Flow chart；
Fig. 2 is the rotational speed difference of specific embodiment and aperture regulation period-luminosity relation figure according to the present invention；
Fig. 3 is the rotational speed difference of specific embodiment and aperture regulation amplitude relation figure according to the present invention；
Fig. 4 is the rotational speed difference of specific embodiment and aperture regulation periodic coefficient relational graph according to the present invention；
Fig. 5 is the side of the aperture of the control automotive engine throttle of other specific embodiment according to the present invention
The flow chart of method；
Fig. 6 be other specific embodiment according to the present invention idle condition under aperture adjustment execute workflow
Cheng Tu；
Fig. 7 is the block diagram of the device of the aperture of the control automotive engine throttle of specific embodiment according to 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 some of the embodiments of the present invention, instead of all the embodiments.
In the drawings and embodiments the use of element/component of same or like label is for representing identical or class
Like part.And attached drawing is only schematical, and element therein is not necessarily to perspec-tive.
Fig. 1 is a kind of method of the aperture of control automotive engine throttle of specific embodiment according to the present invention
Flow chart.As shown in Figure 1, starting this method in step 110.It in an embodiment of the present invention, can be by choosing carburetor
It function and opens spindle and opens this method.
Next, determining the aperture regulation period based on the difference of present engine revolving speed and rotating speed of target in step 120.
According to an embodiment of the invention, the step of determining aperture regulation period, further comprises：Obtain current power
Machine revolving speed；Determine the difference of present engine revolving speed and rotating speed of target；Determine the correspondence aperture regulation week of the rotating speed difference
Phase.
According to an embodiment of the invention, the step of determining corresponding aperture regulation period, is configured to：If
Current rotating speed is greater than or equal to rotating speed of target, then shortens the aperture regulation period.
In an embodiment of the present invention, the aperture regulation period can be determined as follows:
AdjTime=(1200-rpmCha)/adjTimeJiShu (1)
Wherein, adjTime is aperture regulation period (unit：Millisecond)；1200 be selected rated rotational frequency value (unit：Turn
Number), this value can be selected according to the actual situation；RpmCha (unit：Revolution)：Indicate current goal revolving speed and practical turn
The difference of speed；And adjTimeJiShu is aperture regulation cycle computation time radix, can be selected according to the actual situation.
For example, when rpmCha is 1000 turns, and adjTimeJiShu is 22, then aperture regulation period adjTime can be 9
Millisecond.
In an embodiment of the present invention, revolving speed since 0 to during rotating speed of target, the maximum of concern follow speed and
Minimum follows speed closely related with rotating speed difference, such as needs the rotating speed of target of 3000RPM, in 0.6 second complete revolving speed with
With the aperture regulation period then needed is exactly 1000RPM to 0.21s to rotating speed difference.
For example, taking the most slow aperture regulation period close to rotating speed of target is 500ms, take most fast close to rotating speed of target
The aperture regulation period is 200ms, then when rotating speed difference is 100, then actual to work as shown in Fig. 2, acquiring by mass data
Preceding revolving speed has been closer to rotating speed of target, therefore regulating cycle needs, which slow down, to be 500ms, and when rotational speed difference is for example
When 1000, the aperture regulation period needed wants small, such as 200ms, to adjust aperture as early as possible to approach rotating speed of target.In this hair
In bright embodiment, the numerical value among rotational speed difference 100,1000 can determine adjusting week according to relationship as shown in Figure 2
Phase, slope should be the inverse of aperture regulation cycle computation time radix, and such as 100,1000 numerical value can basis
Actual needs carries out preparatory setting.
In an embodiment of the present invention, database can be used to store the difference of actual speed and rotating speed of target and open
The corresponding relationship of regulating cycle is spent, so as to determine the corresponding aperture regulation period according to specific difference.
In an embodiment of the present invention, as shown in table 1, aperture regulation week can also be determined by acquisition mass data
Phase.
For example,
Table 1
Obviously, difference and the aperture regulation period of actual speed and rotating speed of target can be made according to a large amount of data
Relational graph can then determine the corresponding aperture regulation period according to actual speed with the difference of rotating speed of target.
Next, being turned when meeting the aperture regulation period based on present engine revolving speed and target in step 130
The difference of speed determines the amplitude of the aperture of air throttle.
In an embodiment of the present invention, the amplitude of aperture can be determined as follows, alternatively referred to as opened herein
Spend the amplitude of accommodation or opening value.
AdjKaiDu=(rpmCha*adjKaiDuJiShu/rpmChaJiShu) (2)
Wherein, adjKaiDu is aperture regulation amplitude or opening value (unit：Percentage)；rpmCha：Current goal revolving speed
With the difference (unit of actual speed：Revolution)；AdjKaiDuJiShu is aperture calculating basis, can be carried out according to the actual situation
Selection；RpmChaJiShu rotational speed difference calculating basis, can be selected according to the actual situation.
For example, if entire aperture is up to 100, as shown in figure 3, needing to transport if on the basis of the opening value 30
Full gate can be completed in 3 to 4 aperture regulation periods of row, and revolving speed can also be improved maximum value, which depends on revolving speed
Difference is followed since 0 if setting 6000RPM as maximum (top) speed, every time can aperture increase by 30, revolving speed can be improved
2000, then reach rotating speed of target 6000 and just needs 3 to calculate cumulative in 3 adjustment cycle basis complete.In reality of the invention
It applies in example, the amplitude of rotating speed difference and aperture can need to be acquired and be arranged according to system.
In an embodiment of the present invention, rotational speed difference can be determined less than 2000 numerical value according to relationship as shown in Figure 2
Aperture regulation amplitude or opening value, slope should be the ratio between aperture calculating basis and rotational speed difference calculating basis, and such as 2000
Numerical value can carry out preparatory setting according to actual needs.
In an embodiment of the present invention, the above method can be useful in and establish carburetor and engine using electric-control method
Between revolving speed the case where relationship.
In an embodiment of the present invention, above-mentioned to illustrate only in order to illustrate and clearly illustrate technical idea of the invention
It is only a kind of particular kind of relationship of rotating speed difference and specific physical quantity, it will be understood by those skilled in the art that there is also other are suitable
Mathematical relationship indicate the relationship of rotating speed difference and specific physical quantity, details are not described herein.
In an embodiment of the present invention, opening value can also be determined by acquisition mass data.
As shown in table 2, it is clear that the difference and aperture of actual speed and rotating speed of target can be made according to a large amount of data
The relational graph of the amplitude of accommodation or opening value then can determine corresponding open with the difference of rotating speed of target according to actual speed
Spend the amplitude of accommodation or opening value.
Table 2
Next, executing aperture adjustment in step 140.In an embodiment of the present invention, meeting the aperture regulation period
In the case where using calculated aperture amplitude carry out aperture adjustment.
In an embodiment of the present invention, the process can be terminated when flame-out.
In an embodiment of the present invention, current rotating speed and rotating speed of target can be the amount of change, therefore, in order to more acurrate
The execution for carrying out the process, rotating speed difference can feed back to the aperture regulation period determines that the amplitude of step and aperture determines
Step.
In an embodiment of the present invention, using the inexpensive stepper motor of position-sensor-free, because of institute
The zero point that calculates of aperture be all on the basis of rotating counterclockwise the position that can not be moved again by stepper motor, therefore, aperture is returned
It when zero, needs to re-calibrate zero point, to determine aperture zero point before executing aperture adjustment.
There is no need to carry out aperture zero point when in an embodiment of the present invention, using the stepper motor with position sensor
Determination or correction.
In an embodiment of the present invention, it when actual speed or current rotating speed meet and exceed rotating speed of target, can be used
The method that dynamic calculates dynamically handles the aperture regulation period, so as to preventing from bringing carry out stability contorting in actual speed.
For example, aperture regulation periodic coefficient can be set in an embodiment of the present invention, with to passing through the calculated aperture of step 120
Regulating cycle is finely adjusted and (can be described as dynamic aperture periodic adjustment herein).As shown in figure 4, working as current rotating speed and target
It is larger to deviate rotating speed of target when the difference of revolving speed is more than or equal to 100 at this time, with regard to carrying out dynamic aperture periodic adjustment.It can use and turn
Speed difference value obtains integer value divided by predetermined value 50, then aperture regulation periodic coefficient at this time is 2, similar, works as rotating speed difference
Aperture regulation periodic coefficient is also 2 when being 130.The aperture regulation period then used at this time should be calculated aperture regulation week
Phase/aperture regulation periodic coefficient accelerates the aperture adjustment corresponding to revolving speed, stabilizes so as to shorten the aperture regulation period
Engine speed.In an embodiment of the present invention, predetermined value can be selected according to system.
In an embodiment of the present invention, can also adjust in implementation procedure in aperture follows situation to aperture for revolving speed
Amplitude carry out dynamic regulation.For example, can be maintained in the case where revolving speed follows all right or cracking situation stablize and without
The adjustment of aperture, to inhibit to overshoot.
In other embodiment of the invention, the execution aperture adjust the step of be configured to：If institute
The amplitude for stating aperture is less than first threshold, or if the amplitude of the aperture is greater than and/or is equal to first threshold, and previous opens
The amplitude value added of degree be less than second threshold, or if the amplitude of the aperture be greater than and/or be equal to the first threshold, and
The amplitude value added of previous aperture is less than the half or special ratios of previous aperture amplitude value added, then executes the aperture
The aperture of amplitude adjusts；Otherwise the secondary aperture adjustment is abandoned.
Fig. 5 is the side of the aperture of the control automotive engine throttle of other specific embodiment according to the present invention
The flow chart of method.
In an embodiment of the present invention, present engine revolving speed and rotating speed of target are based on when meeting the aperture regulation period
Difference determine air throttle aperture amplitude (such as step 130).As shown in figure 5, judgement is in step 130 in step 510
Whether the amplitude of calculated aperture, which meets aperture adjustment, executes (i.e. aperture is progressively increased) condition.In an embodiment of the present invention, should
Condition can be：(1) amplitude of aperture is less than first threshold；(2) amplitude of aperture is greater than and/or is equal to first threshold and preceding
The amplitude of secondary aperture is less than second threshold；Or the amplitude of (3) aperture be greater than and/or equal to first threshold and previous aperture width
Degree is less than and/or the half or special ratios of the amplitude equal to previous aperture.If meet above-mentioned condition (step 510 is) it
One, then aperture adjustment (such as step 140) next is executed in step 520.Otherwise (step 510 is no) abandons this in step 530
The execution of secondary aperture adjustment, and the amplitude of this aperture is set as 0.
In an embodiment of the present invention, revolving speed following state is good after continuous several times execute aperture adjustment, and calculates and open
The amplitude that degree is adjusted almost instantaneously can be completed, if also carrying out aperture adjustment, easily cause aperture overshoot, therefore adopt
With above-mentioned strategy, when the amplitude to aperture under certain state is unsatisfactory for above-mentioned condition, so that it may the adjustment of temporary respite aperture,
To stabilize revolving speed.
In an embodiment of the present invention, specially treated has also been carried out for the aperture adjustment under this special status of idling.
In other embodiment of the invention, the execution aperture adjust the step of be configured to：If worked as
Preceding revolving speed is less than the difference of idling and predetermined value, then executes aperture adjustment；And if newest current rotating speed is greater than idling and makes a reservation for
The sum of value then further executes the adjustment of half aperture.
Fig. 6 be other specific embodiment according to the present invention idle condition under aperture adjustment execute workflow
Cheng Tu.In an embodiment of the present invention, as shown in fig. 6, in step 610, judge whether in idling mode.Of the invention
In embodiment, it can be determined that whether rotating speed of target is idling to execute.
(step 610 is no) if not, then in step 620, into amplitude adjustment (such as the step 140) of normal aperture.Such as
Fruit is that (step 610 is) then in step 630 judges whether current rotating speed is less than the difference of idling and predetermined value.If it is (630
It is), then in step 640, half aperture can be set and execute mark, and executes aperture adjustment.(630 is no) if NO, then in step
Rapid 650 execute aperture adjustment.
Next, judging whether new current rotating speed is greater than the sum of idling and predetermined value and half aperture in step 660
Mark is 1.(660 is no) if NO then executes aperture adjustment (such as step 140) in step 670.If YES (660
It is), then in step 680, execute the adjustment of half aperture.
In an embodiment of the present invention, during executing the adjustment of half aperture, the amplitude of aperture is the width of the aperture calculated
The half of degree, because of referred to herein as half-open degree adjustment.Certainly, it will be understood by those skilled in the art that half aperture in execution adjusted
Cheng Zhong, which is the subdivision to the adjustment of former aperture, therefore the adjustment of the aperture of any ratio all falls in technology of the invention and thinks
In thinking.In other embodiment of the invention, can also use the amplitude of the aperture of other ratio with to aperture adjust into
Row refinement.
In an embodiment of the present invention, when disengaging idling mode, so that it may which double of aperture executes Flag Reset.
In an embodiment of the present invention, above-mentioned strategy is used, lesser open can be executed when idling declines from high speed
Degree is adjusted, so as to stabilized (steady-state) speed.
Fig. 7 is to instantiate the structural block diagram of the device of the aperture of control automotive engine throttle of the embodiment of the present invention.
As shown in fig. 7, the device 700 includes：Aperture regulation cycle determining device 710, for being based on present engine revolving speed and target
The difference of revolving speed determines the aperture regulation period；The amplitude determining device 720 of aperture meets the aperture regulation period for working as
When based on present engine revolving speed and rotating speed of target difference determine air throttle aperture amplitude；Aperture adjusts executive device
730, aperture adjustment is executed for the amplitude based on the aperture.
In an embodiment of the present invention, device 700 and its component 710,720 and 730 can execute as described above
If Fig. 1 is to the method and/or step of control automotive engine throttle aperture shown in fig. 6, and its function may be implemented.For
For the sake of clear, details are not described herein its working principle.
In an embodiment of the present invention, a kind of hybrid electric vehicle is additionally provided, may include engine section as described above
Valve opening adjusts device 700.
The above-mentioned embodiment of the present invention can be implemented in the combination of various hardware, Software Coding and/or the two.For example,
The embodiment of the present invention can also be above-mentioned to execute in data signal processor (Digital Signal Processor, DSP)
The program code of method.The present invention, which can also refer to computer processor, digital signal processor, microprocessor or scene, to be compiled
The multiple functions that journey gate array (Field Programmable Gate Array, FPGA) executes.It can configure according to the present invention
Above-mentioned processor executes particular task, and the machine-readable software generation for the ad hoc approach that the present invention discloses is defined by executing
Code or firmware code are completed.Software code or firmware code can be developed as different program languages and different formats or
Form.It can also be different target platform composing software codes.However, according to the present invention execute task software code and its
He does not depart from spirit and scope of the invention at different code pattern, type and the language of type configuration code.
The foregoing is merely this schematical specific embodiments, in the premise for not departing from conceptions and principles of the invention
Under, the equivalent changes and modifications that any those skilled in the art is made should belong to the scope of protection of the invention.
Claims (12)
1. a kind of method for the aperture for controlling automotive engine throttle, including：
The aperture regulation period is determined based on the difference of present engine revolving speed and rotating speed of target；
Difference when meeting the aperture regulation period based on present engine revolving speed and rotating speed of target determines opening for air throttle
The amplitude of degree；
Amplitude based on the aperture executes aperture adjustment.
2. the method as described in claim 1, which is characterized in that the method also includes：
Aperture zero point is determined before executing aperture adjustment.
3. the method as described in claim 1, which is characterized in that the step of determining aperture regulation period further comprises：
Obtain present engine revolving speed；
Determine the difference of present engine revolving speed and rotating speed of target；
Determine the correspondence aperture regulation period of the rotating speed difference.
4. the method as described in claim 1, which is characterized in that the step of the determining corresponding aperture regulation period further by
It is configured to：
If current rotating speed is greater than or equal to rotating speed of target, shorten the aperture regulation period.
5. the method as described in claim 1, which is characterized in that the step of execution aperture adjusts is configured to：
If the amplitude of the aperture is less than first threshold, or
If the amplitude of the aperture is greater than and/or is equal to first threshold, and the amplitude value added of previous aperture is less than the second threshold
Value, or
If before the amplitude of the aperture is greater than and/or is equal to the first threshold, and the amplitude value added of previous aperture is less than
The half or special ratios of secondary aperture amplitude value added then execute the aperture adjustment of the amplitude of the aperture；
Otherwise the secondary aperture adjustment is abandoned.
6. the method as described in claim 1, which is characterized in that the step of execution aperture adjusts is configured to：
If current rotating speed is less than the difference of idling and predetermined value, aperture adjustment is executed；And
If newest current rotating speed is greater than the sum of idling and predetermined value, the adjustment of half aperture is further executed.
7. a kind of engine air throttle opening adjusting device of automobile, which is characterized in that described device includes：：
Aperture regulation cycle determining device, for determining aperture regulation week based on the difference of present engine revolving speed and rotating speed of target
Phase；
The amplitude determining device of aperture turns for being based on present engine revolving speed and target when meeting the aperture regulation period
The difference of speed determines the amplitude of the aperture of air throttle；
Aperture adjusts executive device, executes aperture adjustment for the amplitude based on the aperture.
8. engine air throttle opening adjusting device as claimed in claim 7, which is characterized in that the aperture regulation period is true
Determine device to be configured to：
Obtain present engine revolving speed；
Determine the difference of present engine revolving speed and rotating speed of target；
Determine the correspondence aperture regulation period of the rotating speed difference.
9. engine air throttle opening adjusting device as claimed in claim 7, which is characterized in that the aperture regulation period is true
Determine device to be configured to：
If current rotating speed is greater than or equal to rotating speed of target, shorten the aperture regulation period.
10. engine air throttle opening adjusting device as claimed in claim 7, which is characterized in that the aperture adjustment executes
Device is configured to：
If the amplitude of the aperture is less than predetermined value, the amplitude of the aperture increases；
If the amplitude of the aperture is greater than and/or is equal to predetermined value, and the amplitude value added of previous aperture is less than predetermined value
Half or special ratios, then the amplitude of the aperture increases；
If the amplitude of the aperture is greater than and/or is equal to predetermined value, and the amplitude value added of previous aperture is less than previous open
The half or special ratios of degree amplitude value added, then the amplitude of the aperture increases；
Otherwise the amplitude of the aperture is maintained.
11. engine air throttle opening adjusting device as claimed in claim 7, which is characterized in that the aperture adjustment executes
Device is configured to：
If current rotating speed is less than the difference of idling and predetermined value, aperture adjustment is executed；And
If newest current rotating speed is greater than the sum of idling and predetermined value, the adjustment of half aperture is further executed.
12. a kind of hybrid electric vehicle, which is characterized in that the hybrid electric vehicle includes as described in claim 7-11 any one
Engine air throttle opening adjusting device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810705900.4A CN108869069B (en) | 2018-07-02 | 2018-07-02 | Method, device and system for controlling opening of throttle valve of automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810705900.4A CN108869069B (en) | 2018-07-02 | 2018-07-02 | Method, device and system for controlling opening of throttle valve of automobile |
Publications (2)
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113027621A (en) * | 2021-03-31 | 2021-06-25 | 潍柴动力股份有限公司 | Engine speed control method and related device |
| CN114087077A (en) * | 2021-10-15 | 2022-02-25 | 湖南道依茨动力有限公司 | Throttle opening control method and device and working machine |
| CN114382598A (en) * | 2020-10-22 | 2022-04-22 | 浙江福爱电子有限公司 | Electronic air inlet adjusting device and system thereof |
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|---|---|
| CN108869069B (en) | 2021-02-05 |
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