CN104455393B - Control method and device for relieving violent vibration of car - Google Patents
Control method and device for relieving violent vibration of car Download PDFInfo
- Publication number
- CN104455393B CN104455393B CN201410706472.9A CN201410706472A CN104455393B CN 104455393 B CN104455393 B CN 104455393B CN 201410706472 A CN201410706472 A CN 201410706472A CN 104455393 B CN104455393 B CN 104455393B
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- rotating speed
- gear box
- electromotor
- state
- fluid
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/38—Control of exclusively fluid gearing
- F16H61/48—Control of exclusively fluid gearing hydrodynamic
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
- F16H59/74—Inputs being a function of engine parameters
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- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Control Of Transmission Device (AREA)
Abstract
The invention provides a control method and device for relieving violent vibration of a car, and relates to the technical field of control over the car. The control method for relieving violent vibration of the car includes the steps that the state of a fuel cut flag bit of an engine is obtained; whether the engine is in a fuel cut mode is judged according to the state of the fuel cut flag bit of the engine; when the engine is in the fuel cut mode, a sliding friction state of a hydraulic torque converter is converted into a fuel liquid transmission state to reduce the change speed of the torque transmitted to a gearbox by the engine. The control method for relieving violent vibration of the car can reduce the change speed of the torque transmitted to the gearbox by the engine, thereby relieving violent vibration of the car when oil supply of the engine is recovered.
Description
Technical field
The present invention relates to technical field of automobile control, alleviate, particularly to a kind of, control method and the control dress that automobile is rushed
Put.
Background technology
When running at high speed, release the gas pedal makes car deceleration to automobile, closed throttle, the air capacity in cylinder
Reduce so that fuel oil incomplete combustion, so that the harmful gass amount that automobile is discharged increases.For reducing the harmful of automobile discharge
Gas flow, the whole-control system of automobile reaches normal temperature and engine speed higher than fuel oil in closed throttle, coolant
Stop for when these three conditions of corresponding rotating speed meet simultaneously when, control fuel injector fuel cut-off；Whole-control system is in air throttle
Open, engine speed controls fuel injector to recover fuel feeding after being reduced to the rotating speed recovering fuel feeding.
During fuel injector recovers to engine oil, the moment of torsion of electromotor is just changed into from negative value in very short time
Value, and the moment of torsion of electromotor variable quantity larger so that the moment of torsion that change speed gear box passed to by electromotor increases suddenly so that automobile
Acceleration suddenly change, lead to automobile produce rush phenomenon.At present, alleviate automobile and rush the method for phenomenon and be usually：Pass through
Adjust the rate of change of the moment of torsion of electromotor output so that the moment of torsion of stepped growth originally is changed into the growth in smoothed curve shape
Moment of torsion.But, the method adjusting the rate of change of moment of torsion of electromotor is for the effect alleviating the phenomenon that automobile is rushed and inconspicuous.
Content of the invention
In view of this, it is contemplated that proposing a kind of to alleviate the control method rushed of automobile, with showing of alleviating that automobile rushes
As.
For reaching above-mentioned purpose, the technical scheme is that and be achieved in that：
The control method that a kind of alleviation automobile is rushed, including：
Obtain the state of electromotor oil-break flag bit；
According to the state of described electromotor oil-break flag bit, judge whether electromotor is in fuel cut-off mode；
When described electromotor is in fuel cut-off mode, fluid torque-converter is made to rub State Transferring for fluid drive state by cunning,
To reduce the pace of change that described electromotor passes to the torque of change speed gear box.
Further, fluid torque-converter when described electromotor is in fuel cut-off mode, is made to rub State Transferring for oil by cunning
Liquid drive state, with reduce described electromotor pass to change speed gear box torque pace of change step before, also include：
The fuel oil calculating described change speed gear box supplies rotating speed again, and described fuel oil supplies rotating speed to recover fuel feeding when institute for described electromotor again
State the rotating speed of the output shaft of change speed gear box；
Rotating speed and compensating rotational speed is supplied to calculate the first rotating speed again according to described fuel oil, described compensating rotational speed is according to Current vehicle
The gradient of acceleration, the gear residing for described change speed gear box and running car road surface carry out calculating and obtain；
Judge whether the rotating speed of the output shaft of described change speed gear box reaches described first rotating speed；
When the rotating speed of the output shaft of described change speed gear box reaches described first rotating speed, by described fluid torque-converter by the sliding shape that rubs
State is converted to fluid drive state.
Preferably, the step for rotating speed specifically includes the fuel oil of the described change speed gear box of calculating again：
Gear residing for described change speed gear box is judged according to the shift signal of shift sensor feedback；
The rotating speed when gear according to residing for described change speed gear box and described electromotor recovery fuel feeding calculates described fuel oil and supplies again
Rotating speed.
It is preferred that the current value being applied to by adjustment on the electromagnetic valve being connected with described fluid torque-converter signal, make institute
State fluid torque-converter and State Transferring is rubbed for fluid drive state by cunning.
Further, after the step that State Transferring is fluid drive state that described fluid torque-converter is rubbed by cunning, also
Including：
Gear according to residing for described change speed gear box calculates the second rotating speed, and described second rotating speed is more than described first rotating speed；
Judge whether the rotating speed of the output shaft of described change speed gear box reaches described second rotating speed；
When the rotating speed of the output shaft of described change speed gear box reaches described second rotating speed, described fluid torque-converter is controlled to be passed by fluid
Dynamic State Transferring is sliding state of rubbing.
With respect to prior art, the control method that alleviation automobile of the present invention is rushed has the advantage that：
Because the pump impeller of fluid torque-converter is connected with the bent axle of electromotor, the turbine of fluid torque-converter and the input of change speed gear box
Axle connects, and is full of fluid between pump impeller and turbine, when electromotor is in fuel cut-off mode, controls fluid torque-converter by sliding state of rubbing
Be converted to fluid drive state that is to say, that before electromotor recovers fuel feeding, fluid torque-converter is driven shape already at fluid
State；Therefore, when fuel injector recovers to engine oil, the moment of torsion of electromotor passes to hydraulic moment changeable via the bent axle of electromotor
The pump impeller of device, the moment of torsion that electromotor exports is passed to turbine by fluid by pump impeller, turbine again by this moment of torsion via change speed gear box
Input shaft passes to change speed gear box.Therefore, compared with directly change speed gear box being delivered torque to by electromotor in prior art, the present invention
Using the fluid transmitting torque in fluid torque-converter so that the pace of change passing to the moment of torsion of change speed gear box substantially reduces, thus
Effectively alleviate automobile and rush phenomenon.
Another object of the present invention is to proposing a kind of to alleviate the control device rushed of automobile, with showing of alleviating that automobile rushes
As.
For reaching above-mentioned purpose, the technical scheme is that and be achieved in that：
The control device that a kind of alleviation automobile is rushed, including：
Acquiring unit, for obtaining the state of electromotor oil-break flag bit；
Control unit, the state of the described electromotor oil-break flag bit for being obtained according to described acquiring unit, judge to send out
Whether motivation is in fuel cut-off mode；And
When described electromotor is in fuel cut-off mode, fluid torque-converter is made to rub State Transferring for fluid drive state by cunning,
To reduce the pace of change that described electromotor passes to the torque of change speed gear box.
Further, described control unit is additionally operable to：
The fuel oil calculating described change speed gear box supplies rotating speed again, and described fuel oil supplies rotating speed to recover fuel feeding when institute for described electromotor again
State the rotating speed of the output shaft of change speed gear box；And
Rotating speed and compensating rotational speed is supplied to calculate the first rotating speed again according to described fuel oil, described compensating rotational speed is according to Current vehicle
The gradient of acceleration, the gear residing for described change speed gear box and running car road surface carry out calculating and obtain；And
Judge whether the rotating speed of the output shaft of described change speed gear box reaches described first rotating speed；And
When the rotating speed of the output shaft of described change speed gear box reaches described first rotating speed, by described fluid torque-converter by the sliding shape that rubs
State is converted to fluid drive state.
Preferably, the step for rotating speed specifically includes the fuel oil of the described change speed gear box of described control unit calculating again：
Gear according to residing for the shift signal that shift sensor feeds back judges described change speed gear box for the described control unit；And
The rotating speed that gear according to residing for described change speed gear box for the described control unit and described electromotor recover during fuel feeding calculates
Described fuel oil supplies rotating speed again.
It is preferred that described control unit passes through adjustment being applied on the electromagnetic valve being connected with described fluid torque-converter signal
Current value, makes described fluid torque-converter rub State Transferring for fluid drive state by cunning.
Further, described control unit is additionally operable to：
Gear according to residing for described change speed gear box calculates the second rotating speed, and described second rotating speed is more than described first rotating speed；And
Judge whether the rotating speed of the output shaft of described change speed gear box reaches described second rotating speed；And
When the rotating speed of the output shaft of described change speed gear box reaches described second rotating speed, described fluid torque-converter is controlled to be passed by fluid
Dynamic State Transferring is sliding state of rubbing.
With respect to prior art, the control device that alleviation automobile of the present invention is rushed has the advantage that：
The control method that the control device that described alleviation automobile is rushed is rushed with above-mentioned alleviation automobile is with respect to prior art
Had the advantage that identical, be will not be described here.
Brief description
The accompanying drawing constituting the part of the present invention is used for providing a further understanding of the present invention, the schematic reality of the present invention
Apply example and its illustrate, for explaining the present invention, not constituting inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the flow chart one alleviating the control method that automobile is rushed described in the embodiment of the present invention；
Fig. 2 is the flowchart 2 alleviating the control method that automobile is rushed described in the embodiment of the present invention；
Fig. 3 calculates described change speed gear box for alleviating described in embodiment of the present invention fuel oil in the control method that automobile is rushed is multiple
Flow chart for rotating speed；
Fig. 4 is the structural representation alleviating the control device that automobile is rushed described in the embodiment of the present invention.
Description of reference numerals：
10- acquiring unit, 20- control unit.
Specific embodiment
It should be noted that in the case of not conflicting, the embodiment in the present invention and the feature in embodiment can phases
Mutually combine.
To describe the present invention below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
Refer to Fig. 1, embodiments provide the control method that a kind of alleviation automobile is rushed, including：
Step 100, the state of acquisition electromotor oil-break flag bit；Specifically, whole-control system detection electromotor oil-break
The state of flag bit, and by the feedback of status of electromotor oil-break flag bit to gearbox control system, so that change speed gear box controls system
System obtains the state of electromotor oil-break flag bit.
Step 200, the state according to electromotor oil-break flag bit, judge whether electromotor is in fuel cut-off mode；Specifically,
When the electromotor oil-break flag bit that gearbox control system obtains is 1, judge that electromotor is in fuel cut-off mode；When change speed gear box control
When the electromotor oil-break flag bit that system processed obtains is 0, judge that electromotor is not in fuel cut-off mode.
Step 300, when electromotor is in fuel cut-off mode, make fluid torque-converter by cunning rub State Transferring be fluid transmission shape
State, to reduce the pace of change that electromotor passes to the torque of change speed gear box；Specifically, when electromotor is in fuel cut-off mode, become
Fast case control system controls fluid power to become by adjusting the current value being applied on the electromagnetic valve being connected with fluid torque-converter signal
Square device rubs State Transferring for fluid drive state by cunning.
Specifically, because the pump impeller of fluid torque-converter is connected with the bent axle of electromotor, the turbine of fluid torque-converter and speed change
The input shaft of case is connected, and when fluid torque-converter is in fluid drive state, pump impeller delivers torque to turbine by fluid.When
When gearbox control system determines that electromotor is in fuel cut-off mode, fluid torque-converter is rubbed State Transferring for fluid transmission shape by cunning
State is that is to say, that before electromotor recovers fuel feeding, fluid torque-converter is already at fluid drive state.When electromotor recovers
During fuel feeding, the moment of torsion of electromotor increases suddenly, but because the moment of torsion of electromotor passes to hydraulic moment changeable via the bent axle of electromotor
The pump impeller of device, the moment of torsion that electromotor exports is passed to turbine by fluid by pump impeller, and turbine will be defeated via change speed gear box for this moment of torsion
Enter axle and pass to change speed gear box.Compared with directly change speed gear box being delivered torque to by electromotor in prior art, technique scheme
Fluid transmitting torque in middle utilization fluid torque-converter, during transmitting torque, fluid slow down the transmission speed of moment of torsion,
The change in torque speed making change speed gear box substantially reduces, thus effectively alleviating automobile to rush phenomenon.
Refer to Fig. 2, when electromotor is in fuel cut-off mode, making fluid torque-converter, State Transferring is rubbed for fluid biography by cunning
Dynamic state, with reduce electromotor pass to change speed gear box torque pace of change step before, also include：
Step 210, the fuel oil of calculating change speed gear box supply rotating speed again, and it is that electromotor recovers change speed gear box during fuel feeding that fuel oil supplies rotating speed again
Output shaft rotating speed；Specifically, gearbox control system calculates the fuel oil of change speed gear box again for rotating speed.
Step 220, according to fuel oil again supply rotating speed calculate the first rotating speed, described compensating rotational speed is according to the acceleration of Current vehicle
The gradient on the gear residing for degree, change speed gear box and running car road surface carries out calculating acquisition；Specifically, gearbox control system according to
Fuel oil supplies rotating speed to calculate the first rotating speed again, for example, when the gradient on running car road surface is larger, if automobile is rushed
The impression that phenomenon, in-car driver or passenger rush the discomfort brought for automobile is inconspicuous, now gearbox control system
Less according to the compensating rotational speed that the gradient on running car road surface calculates；When the gradient on running car road surface is less, if vapour
Phenomenon rushed by car, and the impression that in-car driver or passenger rush the discomfort brought for automobile is more obvious, this time-varying
The compensating rotational speed that fast case control system calculates according to the gradient on running car road surface is larger.
Step 230, judge whether the rotating speed of output shaft of change speed gear box reaches the first rotating speed；Specifically, change speed gear box controls system
System judges whether the rotating speed of the output shaft of change speed gear box reaches the first rotating speed, when the rotating speed of the output shaft of change speed gear box reaches the first rotating speed
When, gearbox control system controls fluid torque-converter to rub State Transferring for fluid drive state by cunning.
It should be noted that after driver's release the gas pedal makes car deceleration, the rotating speed of electromotor is gradually lowered,
After electromotor is in fuel cut-off mode, the rotating speed of electromotor continues to reduce, until turning when the rotating speed of electromotor is reduced to recovery fuel feeding
After speed, electromotor recovers fuel feeding, during the rotating speed of electromotor reduces, rotating speed the turning with electromotor of transmission output shaft
Speed reduction and reduce.Above-mentioned first rotating speed is more than fuel oil and supplies rotating speed again that is to say, that working as the rotating speed fall of the output shaft of change speed gear box
Low to the first rotating speed when, the rotating speed of electromotor is not also reduced to rotating speed when recovering fuel feeding, and electromotor does not also recover fuel feeding；This
When, gearbox control system makes fluid torque-converter rub State Transferring for fluid drive state by cunning.That is, it is extensive in electromotor
Before multiple fuel feeding fluid torque-converter is fluid drive state so that leading to recovering fuel feeding in electromotor by the cunning State Transferring that rubs
When moment of torsion becomes big suddenly, using the fluid transmitting torque in fluid torque-converter, during transmitting torque, fluid slow down torsion
The transmission speed of square so that the change in torque speed of change speed gear box substantially reduces, thus effectively alleviating automobile to rush phenomenon.This
Outward, after electromotor is in fuel cut-off mode, it is spaced and just fluid torque-converter is converted to fluid drive state for a period of time, reduce
Fluid torque-converter is in the time of fluid drive state, reduces the fuel oil loss of automobile.
Refer to Fig. 3, the step for rotating speed specifically includes the fuel oil of calculating change speed gear box again：
Step 211, according to shift sensor feedback signal judge the gear residing for change speed gear box；Specifically, with shifting shaft
The shift sensor connecting detects the position of shifting shaft, and the position signalling of shifting shaft is fed back to gearbox control system, becomes
Fast case control system judges the gear residing for change speed gear box according to the position signalling of shifting shaft.
The rotating speed that step 212, the gear according to residing for change speed gear box and electromotor recover during fuel feeding calculates described fuel oil and supplies again
Rotating speed；Specifically, the gear ratio of gear according to residing for change speed gear box for the gearbox control system and electromotor are when recovering fuel feeding
The fuel oil that rotating speed calculates change speed gear box supplies rotating speed again.
In order to increase the transmission efficiency of the automobile power of electromotor after acceleration, please continue to refer to Fig. 2, by hydraulic moment changeable
After device is converted to the step of fluid drive state, also include：
Step 400, gear according to residing for change speed gear box calculate the second rotating speed, and the second rotating speed is more than the first rotating speed；Specifically, become
Fast case control system judges the gear residing for change speed gear box, gearbox control system root according to the shift signal that shift sensor feeds back
Gear ratio calculation second rotating speed according to the gear residing for change speed gear box.
Step 410, judge whether the rotating speed of output shaft of change speed gear box reaches the second rotating speed；Specifically, change speed gear box controls system
System judges whether the rotating speed of the output shaft of change speed gear box reaches the second rotating speed.
Step 420, when the rotating speed of the output shaft of change speed gear box reaches the second rotating speed, control fluid torque-converter be driven by fluid
State Transferring is sliding state of rubbing；Specifically, when the rotating speed of the output shaft of change speed gear box reaches the second rotating speed, gearbox control system
Control fluid torque-converter to be converted to sliding state of rubbing by fluid drive state, decrease and started by the fluid transmission in fluid torque-converter
The loss of power during the power of machine, thus improve the transmission efficiency of power.Additionally, fluid torque-converter recovers fuel feeding in electromotor
The time being in fluid drive state afterwards shortens so that the fuel oil loss of automobile reduces.
Refer to Fig. 4, as the realization to the control method that above-mentioned alleviation automobile is rushed, the embodiment of the present invention also carries simultaneously
Supply the control device that a kind of alleviation automobile is rushed, including：
Acquiring unit 10, for obtaining the state of electromotor oil-break flag bit；
Control unit 20, the state of the electromotor oil-break flag bit for being obtained according to acquiring unit 10, judge electromotor
Whether it is in fuel cut-off mode；And
When electromotor is in fuel cut-off mode, fluid torque-converter is made to rub State Transferring for fluid drive state by cunning, to drop
Low electromotor passes to the pace of change of the torque of change speed gear box.Wherein, above-mentioned control unit 20 is applied to by adjustment and fluid power
The current value on electromagnetic valve that torque-converters signal connects, makes fluid torque-converter rub State Transferring for fluid drive state by cunning.
When electromotor is in fuel cut-off mode, control unit 20 controls fluid torque-converter to rub State Transferring for fluid biography by cunning
Dynamic state is that is to say, that before electromotor recovers fuel feeding, fluid torque-converter is already at fluid drive state；Therefore, work as spray
When oily device recovers to engine oil, the moment of torsion of electromotor passes to the pump impeller of fluid torque-converter, pump via the bent axle of electromotor
Take turns the moment of torsion that electromotor is exported and turbine is passed to by fluid, this moment of torsion is passed to via the input shaft of change speed gear box by turbine again
Change speed gear box.Therefore, compared with directly delivering torque to change speed gear box by electromotor in prior art, the present invention utilizes hydraulic moment changeable
Fluid transmitting torque in device so that the pace of change passing to the moment of torsion of change speed gear box substantially reduces, thus effectively alleviating
Phenomenon rushed by automobile.
Fuel oil in order to reduce automobile is lost it is preferable that above-mentioned control unit 20 is additionally operable to：
The fuel oil calculating change speed gear box supplies rotating speed again, and fuel oil supplies rotating speed to recover the output shaft of change speed gear box during fuel feeding for electromotor again
Rotating speed；And
Rotating speed and compensating rotational speed is supplied to calculate the first rotating speed again according to fuel oil, compensating rotational speed is according to the acceleration of Current vehicle
The gradient on the gear residing for degree, change speed gear box and running car road surface carries out calculating acquisition；And
Judge whether the rotating speed of the output shaft of change speed gear box reaches described first rotating speed；And
When the rotating speed of the output shaft of change speed gear box reaches the first rotating speed, fluid torque-converter is rubbed State Transferring for fluid by cunning
Drive state.
Further, the step for rotating speed specifically includes the fuel oil of above-mentioned control unit 20 calculating change speed gear box again：
Control unit 20 judges the gear residing for change speed gear box according to the shift signal that shift sensor feeds back；And
The rotating speed that gear according to residing for change speed gear box for the control unit 20 and electromotor recover during fuel feeding calculates fuel oil again for turning
Speed.
Fuel oil in order to reduce automobile further is lost it is preferable that above-mentioned control unit 20 is additionally operable to：
Gear according to residing for change speed gear box calculates the second rotating speed, and the second rotating speed is more than described first rotating speed；And
Judge whether the rotating speed of the output shaft of change speed gear box reaches the second rotating speed；And
When the rotating speed of the output shaft of change speed gear box reaches the second rotating speed, fluid torque-converter is controlled to be converted to by fluid drive state
Sliding state of rubbing.
Specifically, when the rotating speed of the output shaft of change speed gear box reaches the second rotating speed, control unit 20 controls fluid torque-converter
Sliding state of rubbing is converted to by fluid drive state, decreases power when being transmitted the power of electromotor by the fluid in fluid torque-converter
Loss, thus improve the transmission efficiency of power.Additionally, fluid torque-converter is in fluid after electromotor recovers fuel feeding passing
The time of dynamic state shortens so that the fuel oil loss of automobile reduces.
The control device that alleviation automobile provided in an embodiment of the present invention is rushed can realize the embodiment of the method for above-mentioned offer,
Concrete function is realized referring to the explanation in embodiment of the method, will not be described here.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention
Within god and principle, any modification, equivalent substitution and improvement made etc., should be included within the scope of the present invention.
Claims (10)
1. the control method that a kind of alleviation automobile is rushed is it is characterised in that include：
Obtain the state of electromotor oil-break flag bit；
According to the state of described electromotor oil-break flag bit, judge whether electromotor is in fuel cut-off mode；
When described electromotor is in fuel cut-off mode, fluid torque-converter is made to rub State Transferring for fluid drive state by cunning, to drop
Low described electromotor passes to the pace of change of the torque of change speed gear box.
2. the control method that alleviation automobile according to claim 1 is rushed is it is characterised in that be in when described electromotor
During fuel cut-off mode, make fluid torque-converter rub State Transferring for fluid drive state by cunning, pass to change to reduce described electromotor
Before the step of the pace of change of the torque of fast case, also include：
The fuel oil calculating described change speed gear box supplies rotating speed again, and it is that described electromotor recovers described change during fuel feeding that described fuel oil supplies rotating speed again
The rotating speed of the output shaft of fast case；
Rotating speed and compensating rotational speed is supplied to calculate the first rotating speed again according to described fuel oil, described compensating rotational speed adding according to Current vehicle
The gradient on the gear residing for speed, described change speed gear box and running car road surface carries out calculating acquisition；
Judge whether the rotating speed of the output shaft of described change speed gear box reaches described first rotating speed；
When the rotating speed of the output shaft of described change speed gear box reaches described first rotating speed, described fluid torque-converter is turned by the sliding state of rubbing
It is changed to fluid drive state.
3. the control method that alleviation automobile according to claim 2 is rushed is it is characterised in that calculate the combustion of described change speed gear box
Step for rotating speed specifically includes oil again：
Gear residing for described change speed gear box is judged according to the shift signal of shift sensor feedback；
The rotating speed when gear according to residing for described change speed gear box and described electromotor recovery fuel feeding calculates described fuel oil and supplies rotating speed again.
4. the control method that alleviation automobile according to claim 1 is rushed is it is characterised in that be applied to by adjustment and institute
State the current value on the electromagnetic valve of fluid torque-converter signal connection, make described fluid torque-converter rub State Transferring for fluid biography by cunning
Dynamic state.
5. alleviate the control method rushed of automobile it is characterised in that by described liquid according to any one of claim 1-4
Power torque-converters is rubbed by cunning after the step that State Transferring is fluid drive state, also includes：
Gear according to residing for described change speed gear box calculates the second rotating speed, and described second rotating speed is more than described first rotating speed；
Judge whether the rotating speed of the output shaft of described change speed gear box reaches described second rotating speed；
When the rotating speed of the output shaft of described change speed gear box reaches described second rotating speed, described fluid torque-converter is controlled to be driven shape by fluid
State is converted to sliding state of rubbing.
6. the control device that a kind of alleviation automobile is rushed is it is characterised in that include：
Acquiring unit (10), for obtaining the state of electromotor oil-break flag bit；
Control unit (20), the state of the described electromotor oil-break flag bit for being obtained according to described acquiring unit (10), sentence
Whether disconnected electromotor is in fuel cut-off mode；And
When described electromotor is in fuel cut-off mode, fluid torque-converter is made to rub State Transferring for fluid drive state by cunning, to drop
Low described electromotor passes to the pace of change of the torque of change speed gear box.
7. the control device that alleviation automobile according to claim 6 is rushed is it is characterised in that described control unit (20) is gone back
For：
The fuel oil calculating described change speed gear box supplies rotating speed again, and it is that described electromotor recovers described change during fuel feeding that described fuel oil supplies rotating speed again
The rotating speed of the output shaft of fast case；And
Rotating speed and compensating rotational speed is supplied to calculate the first rotating speed again according to described fuel oil, described compensating rotational speed adding according to Current vehicle
The gradient on the gear residing for speed, described change speed gear box and running car road surface carries out calculating acquisition；And
Judge whether the rotating speed of the output shaft of described change speed gear box reaches described first rotating speed；And
When the rotating speed of the output shaft of described change speed gear box reaches described first rotating speed, described fluid torque-converter is turned by the sliding state of rubbing
It is changed to fluid drive state.
8. the control device that alleviation automobile according to claim 7 is rushed is it is characterised in that described control unit (20) is counted
The step for rotating speed specifically includes again to calculate the fuel oil of described change speed gear box：
Described control unit (20) judges the gear residing for described change speed gear box according to the shift signal that shift sensor feeds back；And
The rotating speed that gear according to residing for described change speed gear box for the described control unit (20) and described electromotor recover during fuel feeding calculates
Described fuel oil supplies rotating speed again.
9. the control device that alleviation automobile according to claim 6 is rushed is it is characterised in that described control unit (20) is led to
Cross the current value that adjustment is applied on the electromagnetic valve being connected with described fluid torque-converter signal, so that described fluid torque-converter is rubbed by cunning
State Transferring is fluid drive state.
10. alleviate the control device rushed of automobile it is characterised in that described control according to any one of claim 6-9
Unit (20) is additionally operable to：
Gear according to residing for described change speed gear box calculates the second rotating speed, and described second rotating speed is more than described first rotating speed；And
Judge whether the rotating speed of the output shaft of described change speed gear box reaches described second rotating speed；And
When the rotating speed of the output shaft of described change speed gear box reaches described second rotating speed, described fluid torque-converter is controlled to be driven shape by fluid
State is converted to sliding state of rubbing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410706472.9A CN104455393B (en) | 2014-11-27 | 2014-11-27 | Control method and device for relieving violent vibration of car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410706472.9A CN104455393B (en) | 2014-11-27 | 2014-11-27 | Control method and device for relieving violent vibration of car |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104455393A CN104455393A (en) | 2015-03-25 |
| CN104455393B true CN104455393B (en) | 2017-02-22 |
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ID=52901919
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410706472.9A Active CN104455393B (en) | 2014-11-27 | 2014-11-27 | Control method and device for relieving violent vibration of car |
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| CN114962029B (en) * | 2021-02-26 | 2023-06-30 | 日立安斯泰莫汽车系统(苏州)有限公司 | Oil supply control device and oil supply control method |
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| JP2005297611A (en) * | 2004-04-06 | 2005-10-27 | Toyota Motor Corp | Deceleration control device of vehicle |
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| CN1830709B (en) * | 2005-03-10 | 2011-07-27 | 丰田自动车株式会社 | Control apparatus of vehicle |
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