CN108068798A - The method and device of gear pre-selection - Google Patents
The method and device of gear pre-selection Download PDFInfo
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- CN108068798A CN108068798A CN201611018498.XA CN201611018498A CN108068798A CN 108068798 A CN108068798 A CN 108068798A CN 201611018498 A CN201611018498 A CN 201611018498A CN 108068798 A CN108068798 A CN 108068798A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W20/00—Control systems specially adapted for hybrid vehicles
- B60W20/30—Control strategies involving selection of transmission gear ratio
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Abstract
A kind of method and device of gear pre-selection.The described method includes：Obtain the current opening value of actual gas pedal and the current vehicle speed value of vehicle；When vehicle is in pure power mode, according to the current vehicle speed value of the opening value of the actual gas pedal and vehicle, the motor side gearshift line under pure power mode is searched, determines the target gear of motor side；When the target gear of the motor side is 4 grades, calculate the current opening value of virtual throttle pedal, the opening value of the virtual throttle pedal and engine end under vehicle speed value that vehicle is current, paralleling model shift gears line and driver driving habit it is related；According to the current vehicle speed value of the current opening value of virtual throttle pedal and the vehicle, the engine end gearshift line under paralleling model is searched, determines the target gear of engine end；The combination of synchronizer is controlled according to the target gear of the motor side and engine end.Using said program, gear pre-selection can be carried out to the vehicle for being configured with isolated conjunction automatic gear-box.
Description
Technical field
The present invention relates to technical field of vehicle control, and in particular to a kind of method and device of gear pre-selection.
Background technology
With the pay attention to day by day to energy security and environmental protection problem, new-energy automobile becomes becoming for current development of automobile
Gesture is developed the swiftest and the most violent with oil-electric vehicle especially at this stage.
The hybrid vehicle of independent gear is respectively provided with for motor side and engine end, generally includes following two driving
Pattern：Pure power mode and paralleling model.In pure power mode, the operation of motor side independent drive vehicles, and in paralleling model,
Motor side drives vehicle to run jointly with engine end.
In order to rapidly enter paralleling model with active response operator demand, above-mentioned hybrid vehicle is usually in pure electric mould
Gear pre-selection is carried out during formula, and the gear preselected is checked and corrected when entering paralleling model by pure electricity, and according to
The gear control vehicle after corrigendum is checked, to meet the requirement of the vehicle performance constantly promoted.
However, at present for being configured with how the vehicle of isolated conjunction automatic gear-box carries out gear pre-selection, there is no corresponding
Solution.Therefore, for being configured with how the vehicle of isolated conjunction automatic gear-box carries out gear pre-selection, to meet quick flat
Along gearshift, active response operator demand, become urgent problem to be solved.
The content of the invention
The embodiment of the present invention solves the problems, such as it is for being configured with how the vehicle of isolated conjunction automatic gear-box carries out gear
Pre-selection.
To solve the above problems, the embodiment of the present invention provides a kind of method of gear pre-selection, the described method includes：It obtains real
The current opening value of border gas pedal and the current vehicle speed value of vehicle；When the vehicle is in pure power mode, according to described
The current vehicle speed value of the opening value and vehicle of actual gas pedal searches the motor side gearshift line under pure power mode, determines electricity
The target gear of generator terminal；When the target gear of the motor side is 4 grades, the current opening value of virtual throttle pedal, institute are calculated
The opening value for stating virtual throttle pedal and engine end gearshift line and driving under the current vehicle speed value of the vehicle, paralleling model
The driving habit of member is related；According to the current vehicle speed value of the current opening value of the virtual throttle pedal and the vehicle, look into
The engine end gearshift line under paralleling model is looked for, determines the target gear of engine end；According to the motor and the mesh of engine
Mark the combination of gear control synchronizer
Optionally, the current opening value of virtual throttle pedal that calculates includes：To the initial of virtual throttle pedal aperture
The correction value of value and virtual throttle pedal aperture obtains the virtual throttle pedal opening value after being weighted processing, wherein, institute
State engine end gearshift line phase under the initial value vehicle speed value and paralleling model current with the vehicle of virtual throttle pedal aperture
It closes, the correction value of the virtual throttle pedal aperture is related to the acceleration custom of the driver.
Optionally, the initial value of the virtual throttle pedal aperture, suitable for according to the current vehicle speed value of the vehicle and institute
The gearshift line of the engine end under paralleling model is stated to be determined, so that before motor side is reduced to 2 grades by 4 grades, by engine end
Gear changes to 3 gears.
Optionally, the correction value of the virtual throttle pedal aperture, the actual throttle is stepped on when being by accelerating to vehicle
What the opening value of plate was counted.
Optionally, the method further includes：The target gear that pure power mode and the motor side are in the vehicle is
At non-4 grades, according to the current vehicle speed value of the opening value of the actual gas pedal and vehicle, search and start under paralleling model
Generator terminal gearshift line determines the target gear of engine end.
The embodiment of the present invention additionally provides a kind of device of gear pre-selection, and described device includes：Acquiring unit, suitable for obtaining
The current opening value of actual gas pedal and the current vehicle speed value of vehicle；First determination unit, suitable for being in the vehicle
During pure power mode, according to the current vehicle speed value of the opening value of the actual gas pedal and vehicle, search under pure power mode
Motor side gearshift line determines the target gear of motor side；Computing unit, suitable for when the target gear of the motor side be 4 grades when,
The current opening value of calculating virtual throttle pedal, the opening value and the current vehicle speed value of the vehicle of the virtual throttle pedal,
Engine end gearshift line and the driving habit of driver are related under paralleling model；Second determination unit, suitable for according to the void
Intend the current opening value of gas pedal and the current vehicle speed value of the vehicle, search the engine end gearshift under paralleling model
Line determines the target gear of engine end；Control unit, it is synchronous suitable for being controlled according to the target gear of the motor and engine
The combination of device.
Optionally, the computing unit is suitable for opening by the initial value to virtual throttle pedal aperture and virtual throttle pedal
The correction value of degree obtains the virtual throttle pedal opening value after being weighted processing, wherein, the virtual throttle pedal aperture
Initial value it is related to the speed of the vehicle, the correction value of the virtual throttle pedal aperture and the acceleration of the driver are practised
Used correlation.
Optionally, the initial value of the virtual throttle pedal aperture, according to the current vehicle speed value of the vehicle and the hair
Motivation end gearshift line is determined, so that before motor side is reduced to 2 grades by 4 grades, the gear of engine end is changed to 3 gears.
Optionally, the correction value of the virtual throttle pedal aperture, the actual throttle is stepped on when being by accelerating to vehicle
What the opening value of plate was counted.
Optionally, described device further includes：3rd determination unit, suitable for being in pure power mode and the electricity in the vehicle
When the target gear of generator terminal is non-4 grades, according to the current vehicle speed value of the opening value of the actual gas pedal and vehicle, search
Engine end gearshift line under paralleling model determines the target gear of engine end.
Compared with prior art, the technical solution of the embodiment of the present invention has the following advantages：
Using the above method, according to the current vehicle speed value of the opening value of the actual gas pedal and vehicle, electricity is determined
The target gear of generator terminal, and when the target gear of motor side is 4 grades, the opening value current by calculating virtual throttle pedal,
And then the target gear of engine end is determined according to the current opening value of virtual throttle pedal, according to the motor side and engine
The combination of the target gear control synchronizer at end, realizes gear pre-selection, reduces vehicle as needed for pure power mode enters paralleling model
The time wanted.And due to starting under the opening value of the virtual throttle pedal vehicle speed value current with the vehicle, paralleling model
Generator terminal gearshift line is related and driver's driving habit is related, accordingly, with respect to the opening value of actual gas pedal, the void
The acceleration demand of driver can be accurately reflected by intending the opening value of gas pedal, so as to fulfill into front engine gear in parallel into
Work(preselects, and for motor side high target gear, torque output capability is weaker and needs suddenly to accelerate into paralleling model, Ke Yiyou
Effect saves the downshift time into paralleling model front engine end.
Description of the drawings
Fig. 1 is a kind of structure diagram of the dynamical system for the vehicle for being configured with single clutch transmission in the prior art；
Fig. 2 is a kind of flow chart of the method for gear pre-selection in the embodiment of the present invention；
Fig. 3 is correspondence schematic diagram between a kind of gear and the combination of synchronizer in the prior art；
Fig. 4 is a kind of structure diagram of the device of gear pre-selection in the embodiment of the present invention.
Specific embodiment
With reference to Fig. 1, being configured with the dynamical system of single clutch gearbox vehicle can include：It is adapted to provide for starting for power source
Machine CE and motor EM, clutch K, gear GP01-GP15, synchronizer A, B and C, difference engine Diff.Engine CE passes through clutch
Device K is connected with transmission input shaft, and motor EM is connected by gear G15 and G11 with transmission input shaft.By controlling synchronizer
Be combined with different gears, engine and motor can realize different gears.
Under pure power mode, vehicle is only driven by motor EM, and under paralleling model, vehicle is by motor EM and engine CE
Common driving.Therefore, when vehicle enters paralleling model by pure power mode, it is necessary to start engine.Start to quickly start
Machine reduces vehicle as the time needed for pure power mode enters paralleling model, can be preselected when vehicle is in pure power mode to hair
The gear at motivation end is preselected, that is, predefines engine end target shift when vehicle enters paralleling model by pure power mode
Position, with the torque demand of quick response driver.
In order to quickly start engine, vehicle is reduced as the time needed for pure power mode enters paralleling model, for configuration
There is the vehicle of isolated conjunction automatic gear-box, the gear of engine end can be carried out in advance pre- when vehicle is in pure power mode
Choosing, that is, the target gear of engine end when vehicle enters paralleling model by pure power mode is predefined, it is driven with quick response
The torque demand for the person of sailing.However, at present for being configured with how the vehicle of isolated conjunction automatic gear-box carries out gear pre-selection, not
There is corresponding solution, therefore, become urgently for how the vehicle for being configured with isolated conjunction automatic gear-box carries out gear pre-selection
Problem to be solved.
In view of the above-mentioned problems, an embodiment of the present invention provides a kind of method of gear pre-selection, using the method, according to institute
The opening value of actual gas pedal and the vehicle speed value that vehicle is current are stated, determines the target gear of motor side, and in motor side
When target gear is 4 grades, the target gear of engine end is determined by the current opening value of virtual throttle pedal, so as to reality
Existing gear pre-selection.Also, under the opening value due to the virtual throttle pedal and the current vehicle speed value of the vehicle, paralleling model
Engine end gearshift line and the driving habit of driver are related, and the opening value of the virtual throttle pedal can accurately reflect
The acceleration demand of driver, so as to fulfill into the successful pre-selection of front engine gear in parallel, for the high target gear of motor side
Torque output capability is weaker and needs suddenly to accelerate into paralleling model, can effectively save into paralleling model front engine end
It downshifts the time.
It is understandable for the above objects, features and advantages of the present invention is enable to become apparent, below in conjunction with the accompanying drawings to the present invention
Specific embodiment explain in detail.
With reference to Fig. 2, an embodiment of the present invention provides a kind of methods of gear pre-selection, and the method may include following steps
Suddenly：
Step 21, the current opening value of actual gas pedal and the current vehicle speed value of vehicle are obtained.
In specific implementation, the current opening value of the actual gas pedal of various ways acquisition may be employed and vehicle is current
Vehicle speed value.For example, can at actual gas pedal installation position sensor, and then obtain position sensor output
Signal, and determine according to the signal aperture of actual gas pedal.Vehicle speed sensor is set in vehicle, and then obtains the vehicle
The signal of fast sensor output, and the current vehicle speed value of the vehicle is determined according to the signal.
Step 22, when the vehicle is in pure power mode, worked as according to the opening value of the actual gas pedal and vehicle
Preceding vehicle speed value searches the motor side gearshift line under pure power mode, determines the target gear of motor side.
In specific implementation, when vehicle is in pure power mode, vehicle control device can be according to the motor side under pure power mode
Line of shifting gears replaces the gear of motor side, wherein, the gear of motor side and the opening value of actual gas pedal and the speed of vehicle
It is worth corresponding.It therefore, can be by looking into after getting opening value and the vehicle speed value that vehicle is current of the actual gas pedal
The motor side gearshift line under the pure power mode is looked for, to determine the target gear of motor side.
Step 23, when the target gear of the motor side is 4 grades, the current opening value of virtual throttle pedal, institute are calculated
The opening value for stating virtual throttle pedal is related to the vehicle speed value that the vehicle is current.
Fig. 3 is the synchronizer combination schematic diagram corresponding to the gear combination of engine end and motor side, wherein, " to the left " table
Show that corresponding synchronizer is combined with left side gear, " to the right " represents that corresponding synchronizer is combined with right side gear,It represents
During corresponding gear, the combination situation of each synchronizer and gear.With reference to Fig. 3, in practical applications, gear (EM) bag of motor side
It includes：1 grade, 2 grades, 3 grades and 4 grades, the gear (CE) of engine end can include：1 grade, 2 grades, 3 grades, 4 grades, 5 grades, 6 grades and
Rev grades.Wherein, 4 grades are the highest gear in motor side gear, 6 grades be engine end target gear.
If the target gear of the motor side is 4 grades, when vehicle enters paralleling model by pure power mode, it usually needs drop
Shelves, and it is longer the time required to downshifting, and the startup of engine end is slower, and the dynamic response of vehicle is also slower.Therefore, in the present invention
Embodiment in, when whether the target gear that can first judge the motor side is 4 grades, with determine vehicle entered by pure power mode
Whether need to downshift during paralleling model, and then can be with the torque demand of quick response driver.
When the target gear of the motor side is 4 grades, the current opening value of virtual throttle pedal is calculated.The present invention's
In embodiment, the virtual throttle pedal is different from the opening value of actual gas pedal.The opening value of the virtual throttle pedal
The related and related phase of driver's driving habit to engine end gearshift line under vehicle speed value that the vehicle is current, paralleling model
It closes, and the opening value of actual gas pedal can be obtained by actually detected, accordingly, with respect to the aperture of actual gas pedal
Value, the opening value of virtual throttle pedal can more directly reflect the acceleration demand of driver.
In specific implementation, a variety of methods may be employed and calculate the current opening value of virtual throttle pedal, for example, can root
Acceleration custom according to the current vehicle speed value of the vehicle and driver estimates the current opening value of the virtual throttle pedal.When
So, other methods can also be used to calculate the current opening value of virtual throttle pedal, will not enumerate herein.
In specific implementation, it is accustomed to according to the acceleration of the current vehicle speed value of the vehicle and driver, is may be employed more
Kind method estimates the current opening value of the virtual throttle pedal.In one embodiment of this invention, virtual throttle can be stepped on
The initial value of plate aperture and the correction value of virtual throttle pedal aperture obtain the virtual throttle pedal and open after being weighted processing
Angle value.Wherein, the initial value of the virtual throttle pedal aperture and engine end under the speed of the vehicle and paralleling model
Line of shifting gears is related, and the correction value of the virtual throttle pedal aperture is related to the acceleration custom of the driver.
With reference to Fig. 3, when the gear of the motor side is 2 grades, the gear of corresponding engine end is 3 grades.Therefore, in order to improve
The calculating accuracy of virtual throttle pedal opening value, when vehicle is by pure power mode, the initial value of virtual throttle pedal opening value
The line that can be shifted gears according to the engine end under paralleling model is determined, so that before motor side is reduced to 2 grades by 4 grades, will be started
The gear of generator terminal changes to 3 gears.That is, 2 grades are reduced to by 4 grades by searching for motor side in engine gear line under paralleling model
And the target gear of engine end is when being 3 grades, the opening value of corresponding gas pedal, and according to the gas pedal found
Opening value determines the initial value of virtual throttle pedal opening value, so that actual vehicle speed is in close found gas pedal
Before the corresponding speed of opening value, the target gear of engine end is changed to as 3 grades.Actual vehicle speed is higher, and virtual throttle pedal is opened
The initial value of degree is smaller, and engine end gear can keep high tap position.
Preferably, the initial value of the virtual throttle pedal opening value can be equal to or slightly greater than the target of engine end
The opening value of the corresponding actual gas pedal of the current vehicle speed value of vehicle when gear is 3 grades.
In one embodiment of this invention, the correction value of the virtual throttle pedal aperture, can be by accelerating vehicle
The opening value of the actual gas pedals of Shi Suoshu is counted to obtain.Wherein, to the system of the opening value of the actual gas pedal
Counting can include：After the change rate of the opening value of actual gas pedal and each vehicle accelerate when each vehicle accelerates
The opening value for the actual gas pedal finally stablized.When each vehicle accelerates, if the variation of the opening value of actual gas pedal
Rate is more than preset first threshold value, and the opening value for the actual gas pedal finally stablized after vehicle acceleration is more than default second threshold
When, the opening value of the record gas pedal at this time.It records when multiple vehicle accelerates after the opening value of the gas pedal, statistics
Its average value, the correction value as the virtual throttle pedal aperture.Wherein, the first threshold can be by this with second threshold
Field personnel are configured according to actual conditions.
When the correction value of initial value and virtual throttle pedal aperture to virtual throttle pedal aperture is weighted processing, add
The value of weight coefficient is related to the statistics number being accustomed to the acceleration of driver.The statistics number of the acceleration custom of driver is got over
More, the weighting coefficient of the initial value of virtual throttle pedal aperture is smaller, the weighting coefficient of the correction value of virtual throttle pedal aperture
It is bigger.When the statistics number of the acceleration custom of driver reaches certain threshold value, the correction value of virtual throttle pedal aperture is
The opening value of the virtual throttle pedal.
Step 24, the combination of synchronizer is controlled according to the target gear of the motor and engine.
In specific implementation, Fig. 2 and Fig. 3 are referred to control the combination of synchronizer.For example, when the target shift of motor side
Position for 4 grades, the target gear of engine end be 4 grades when, synchronizer A can be controlled to be combined with gear G02, control synchronizer C and
Gear G09 is combined.When the target gear of motor side is 2 grades, the target gear of engine end is 3 grades, synchronizer A can be controlled
It is combined with gear G01, control synchronizer B is combined with gear G05.
In one embodiment of this invention, the method can also include：Pure power mode and described is in the vehicle
When the target gear of motor side is 4 grades non-, according to the current vehicle speed value of the opening value of the actual gas pedal and vehicle, search
Engine end gearshift line under paralleling model determines the target gear of engine end.
In specific implementation, when vehicle is in paralleling model, vehicle control device can be according to the engine under paralleling model
End gearshift line replaces the gear of engine end, wherein, the gear of engine end and the opening value and vehicle of actual gas pedal
Vehicle speed value it is corresponding.Therefore, when the target gear of the motor side is 4 grades non-, opening for the actual gas pedal is got
After angle value and the current vehicle speed value of vehicle, can shift gears line by searching for the engine end under paralleling model, to determine to start
The target gear of generator terminal.
As shown in the above, the gear pre-selection method in the embodiment of the present invention, when the vehicle is in pure power mode,
According to different motor side target gears, the target gear of engine end is determined using different methods, so as to according to institute
The combination of the target gear control synchronizer of motor side and engine end is stated, gear pre-selection is realized, reduces vehicle by pure power mode
Into the paralleling model required time so that vehicle can quickly and smoothly shift gears.
In order to more fully understand those skilled in the art and realize the embodiment of the present invention, above-mentioned gear is preselected below
Device corresponding to method is described in detail.
With reference to Fig. 4, an embodiment of the present invention provides a kind of device 40 of gear pre-selection, described device 40 can include：It obtains
Take unit 41, the first determination unit 42, computing unit 43, the second determination unit 44 and control unit 45.Wherein：
The acquiring unit 41, suitable for the current vehicle speed value of the current opening value of the actual gas pedal of acquisition and vehicle；
First determination unit 42, suitable for before the vehicle enters paralleling model by pure power mode, according to the reality
The current vehicle speed value of the opening value and vehicle of border gas pedal searches the motor side gearshift line under pure power mode, determines motor
The target gear at end；
The computing unit 43, suitable for when the target gear of the motor side is 4 grades, it is current to calculate virtual throttle pedal
Opening value, engine end is changed under the opening value of the virtual throttle pedal vehicle speed value current with the vehicle, paralleling model
The driving habit for keeping off line and driver is related；
Second determination unit 44, suitable for being worked as according to the current opening value of the virtual throttle pedal and the vehicle
Preceding vehicle speed value searches the engine end gearshift line under paralleling model, determines the target gear of engine end；
Described control unit 45, suitable for controlling the knot of synchronizer according to the target gear of the motor side and engine end
It closes.
In one embodiment of this invention, the computing unit 43 is suitable for according to the current vehicle speed value of the vehicle and drives
The acceleration custom for the person of sailing estimates the current opening value of the virtual throttle pedal.
In one embodiment of this invention, the computing unit 43 is suitable for passing through the initial value to virtual throttle pedal aperture
And the correction value of virtual throttle pedal aperture is weighted after handling and obtains the virtual throttle pedal opening value, wherein, it is described
The initial value of virtual throttle pedal aperture is related to the speed of the vehicle, the correction value of the virtual throttle pedal aperture and institute
The acceleration custom for stating driver is related.
In one embodiment of this invention, the initial value of the virtual throttle pedal aperture, suitable for being worked as according to the vehicle
Preceding speed and engine end gearshift line are determined, so that before motor side is reduced to 2 grades by 4 grades, by engine end
Gear changes to 3 gears.
In one embodiment of this invention, the correction value of the virtual throttle pedal aperture, when being by accelerating to vehicle
What the opening value of the actual gas pedal was counted.
In one embodiment of this invention, described device further includes：3rd determination unit 46, suitable for being in the vehicle
When pure power mode and the target gear of the motor side are non-4 grades, according to the opening value and vehicle of the actual gas pedal
Current vehicle speed value searches the engine end gearshift line under paralleling model, determines the target gear of engine end.
As shown in the above, the gear preselector 40 in the embodiment of the present invention can be in pure electric mould in the vehicle
During formula, the combination of synchronizer is controlled according to the target gear of the engine end, realizes gear pre-selection, reduces vehicle by pure electric mould
Formula enters the paralleling model required time so that vehicle can quickly and smoothly shift gears.
One of ordinary skill in the art will appreciate that all or part of step in the various methods of above-described embodiment is can
Relevant hardware to be instructed to complete by program, which can be stored in a computer readable storage medium, storage
Medium can include：ROM, RAM, disk or CD etc..
Although present disclosure is as above, present invention is not limited to this.Any those skilled in the art are not departing from this
It in the spirit and scope of invention, can make various changes or modifications, therefore protection scope of the present invention should be with claim institute
Subject to the scope of restriction.
Claims (10)
1. a kind of method of gear pre-selection, suitable for being configured with the vehicle of isolated conjunction automatic gear-box, which is characterized in that including：
Obtain the current opening value of actual gas pedal and the current vehicle speed value of vehicle；
When the vehicle is in pure power mode, according to the current speed of the opening value of the actual gas pedal and vehicle
Value searches the motor side gearshift line under pure power mode, determines the target gear of motor side；
When the target gear of the motor side is 4 grades, the current opening value of virtual throttle pedal is calculated, the virtual throttle is stepped on
The opening value of plate and engine end gearshift line under the current vehicle speed value of the vehicle, paralleling model and the driving habit of driver
It is related；
According to the current vehicle speed value of the current opening value of the virtual throttle pedal and the vehicle, search under paralleling model
Engine end gearshift line determines the target gear of engine end；
The combination of synchronizer is controlled according to the target gear of the motor side engine end.
2. the method for gear pre-selection as described in claim 1, which is characterized in that the calculating virtual throttle pedal is current to be opened
Angle value includes：
The correction value of initial value and virtual throttle pedal aperture to virtual throttle pedal aperture obtains institute after being weighted processing
Virtual throttle pedal opening value is stated, wherein, the initial value of the virtual throttle pedal aperture is related to the speed of the vehicle, institute
The correction value for stating virtual throttle pedal aperture is related to the acceleration custom of the driver.
3. the method for gear as claimed in claim 2 pre-selection, which is characterized in that the virtual throttle pedal aperture it is initial
Value, suitable for being determined according to the engine end gearshift line under the current vehicle speed value of the vehicle and the paralleling model, so that
Before motor side is reduced to 2 grades by 4 grades, the gear of engine end is changed into 3 gears.
4. the method for gear pre-selection as claimed in claim 2, which is characterized in that the amendment of the virtual throttle pedal aperture
Value, the opening value of the actual gas pedal is counted when being by accelerating to vehicle.
5. such as the method for Claims 1 to 4 any one of them gear pre-selection, which is characterized in that further include：
When the target gear that the vehicle is in pure power mode and the motor side is non-4 grades, stepped on according to the actual throttle
The current vehicle speed value of the opening value and vehicle of plate searches the engine end gearshift line under paralleling model, determines engine end
Target gear.
6. a kind of device of gear pre-selection, which is characterized in that including：
Acquiring unit, suitable for the current vehicle speed value of the current opening value of the actual gas pedal of acquisition and vehicle；
First determination unit, suitable for when the vehicle is in pure power mode, according to the opening value of the actual gas pedal with
And the vehicle speed value that vehicle is current, the motor side gearshift line under pure power mode is searched, determines the target gear of motor side；
Computing unit, suitable for when the target gear of the motor side is 4 grades, calculating the current opening value of virtual throttle pedal,
It engine end gearshift line and is driven under the opening value of the virtual throttle pedal vehicle speed value current with the vehicle, paralleling model
The driving habit for the person of sailing is related；
Second determination unit, suitable for according to the current speed of the current opening value of the virtual throttle pedal and the vehicle
Value searches the engine end gearshift line under paralleling model, determines the target gear of engine end；
Control unit, suitable for controlling the combination of synchronizer according to the target gear of the motor and engine.
7. the device of gear pre-selection as claimed in claim 6, which is characterized in that the computing unit is suitable for by virtual oil
The door initial value of pedal aperture and the correction value of virtual throttle pedal aperture obtain the virtual throttle and step on after being weighted processing
Plate opening value, wherein, the initial value of the virtual throttle pedal aperture is related to the vehicle speed value of the vehicle, the virtual throttle
The correction value of pedal aperture is related to the acceleration custom of the driver.
8. the device of gear as claimed in claim 7 pre-selection, which is characterized in that the virtual throttle pedal aperture it is initial
Value, suitable for being determined according to engine end gearshift line under the current vehicle speed value of the vehicle and the paralleling model, so that
Before motor side is reduced to 2 grades by 4 grades, the gear of engine end is changed into 3 gears.
9. the device of gear pre-selection as claimed in claim 7, which is characterized in that the amendment of the virtual throttle pedal aperture
Value, the opening value of the actual gas pedal is counted when being by accelerating to vehicle.
10. such as the device of claim 6~9 any one of them gear pre-selection, which is characterized in that further include：3rd determines list
When member suitable for being in the target gear of pure power mode and the motor side in the vehicle is non-4 grades, according to the actual throttle
The current vehicle speed value of the opening value and vehicle of pedal searches the engine end gearshift line under paralleling model, determines engine end
Target gear.
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| CN201611018498.XA CN108068798B (en) | 2016-11-16 | 2016-11-16 | The method and device of gear pre-selection |
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|---|---|---|---|
| CN201611018498.XA CN108068798B (en) | 2016-11-16 | 2016-11-16 | The method and device of gear pre-selection |
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| CN108068798B CN108068798B (en) | 2019-10-01 |
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| CN110889188A (en) * | 2018-09-10 | 2020-03-17 | 吉泰车辆技术（苏州）有限公司 | Intelligent target gear calculation method |
| CN110962626A (en) * | 2019-12-27 | 2020-04-07 | 吉林大学 | Self-adaptive electronic differential control method for multi-shaft hub motor driven vehicle |
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