CN108068798B - The method and device of gear pre-selection - Google Patents
The method and device of gear pre-selection Download PDFInfo
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- CN108068798B CN108068798B CN201611018498.XA CN201611018498A CN108068798B CN 108068798 B CN108068798 B CN 108068798B CN 201611018498 A CN201611018498 A CN 201611018498A CN 108068798 B CN108068798 B CN 108068798B
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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: obtaining the current vehicle speed value of practical gas pedal current opening value and vehicle；When vehicle is in pure power mode, according to the current vehicle speed value of the opening value of the practical gas pedal and vehicle, the motor side shift 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, the current opening value of virtual throttle pedal is calculated, the opening value of the virtual throttle pedal is related to engine end shift line under the current vehicle speed value of vehicle, paralleling model and the driving habit of driver；According to the current vehicle speed value of the current opening value of virtual throttle pedal and the vehicle, the engine end shift 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 above scheme, gear pre-selection can be carried out to configured with the isolated vehicle for closing 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 technique
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 especially with oil-electric vehicle the swiftest and the most violent at this stage.
The hybrid vehicle that independent gear is all had for motor side and engine end generally includes following two driving
Mode: 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 when formula, and the gear preselected is checked and corrected when entering paralleling model by pure electricity, and according to
Gear after checking corrigendum controls vehicle, to meet the requirement of the vehicle performance constantly promoted.
However, there is no corresponding at present for how to carry out gear pre-selection configured with the isolated vehicle for closing automatic gear-box
Solution.Therefore, for how to carry out gear pre-selection configured with the isolated vehicle for closing automatic gear-box, to meet quick flat
Along shift, active response operator demand, become urgent problem to be solved.
Summary of the invention
The embodiment of the present invention solves the problems, such as it is for how to carry out gear configured with the isolated vehicle for closing automatic gear-box
Pre-selection.
To solve the above problems, the embodiment of the present invention provides a kind of method of gear pre-selection, which comprises obtain 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 practical gas pedal searches the motor side shift 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
State engine end shift line and driving under the opening value and the current vehicle speed value of the vehicle, paralleling model of virtual throttle pedal
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 shift 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 opening
The correction value of value and virtual throttle pedal opening obtains the virtual throttle pedal opening value after being weighted processing, wherein institute
State engine end shift line phase under the initial value vehicle speed value and paralleling model current with the vehicle of virtual throttle pedal opening
It closes, the correction value of the virtual throttle pedal opening is related to the acceleration of driver habit.
Optionally, the initial value of the virtual throttle pedal opening, suitable for according to the current vehicle speed value of the vehicle and institute
The engine end shift line stated under paralleling model is 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 opening, the practical throttle is stepped on when being by accelerating vehicle
What the opening value of plate was counted.
Optionally, the method also includes: be in the target gear that the vehicle is in pure power mode and the motor side
At non-4 grades, according to the current vehicle speed value of the opening value of the practical gas pedal and vehicle, searches and start under paralleling model
Generator terminal shift line, determines the target gear of engine end.
The embodiment of the invention also provides a kind of devices of gear pre-selection, and described device includes: acquiring unit, are suitable for obtaining
The current opening value of practical gas pedal and the current vehicle speed value of vehicle；First determination unit, suitable for being in the vehicle
When pure power mode, according to the current vehicle speed value of the opening value of the practical gas pedal and vehicle, search under pure power mode
Motor side shift 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 shift line and the driving habit of driver are related under paralleling model；Second determination unit is suitable for according to the void
The quasi- current opening value of gas pedal and the current vehicle speed value of the vehicle, search the engine end shift under paralleling model
Line determines the target gear of engine end；Control unit is synchronized 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 initial value to virtual throttle pedal opening 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 opening
Initial value it is related to the speed of the vehicle, the acceleration of the correction value of the virtual throttle pedal opening and the driver are practised
Used correlation.
Optionally, the initial value of the virtual throttle pedal opening, according to the current vehicle speed value of the vehicle and the hair
Motivation end shift line is determined, so that the gear of engine end is changed to 3 gears before motor side is reduced to 2 grades by 4 grades.
Optionally, the correction value of the virtual throttle pedal opening, the practical throttle is stepped on when being by accelerating vehicle
What the opening value of plate was counted.
Optionally, described device further include: third determination unit is 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 practical gas pedal and vehicle, search
Engine end shift 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 advantage that
Electricity is determined according to the current vehicle speed value of the opening value of the practical gas pedal and vehicle using the above method
The target gear of generator terminal, and when the target gear of motor side is 4 grades, by calculating the current opening value of 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 and entered needed for paralleling model as pure power mode
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 is shifted gears, and line is related and driver's driving habit is related, accordingly, with respect to the opening value of practical gas pedal, the void
The opening value of quasi- gas pedal can accurately reflect the acceleration demand of driver, thus realize into front engine gear in parallel at
Function pre-selection, target gear high for motor side and torque output capability it is weaker and need it is anxious accelerate into paralleling model, Ke Yiyou
Effect saves the downshift time for entering paralleling model front engine end.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the dynamical system of the vehicle 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 diagram between a kind of gear and the combination of synchronizer in the prior art；
Fig. 4 is a kind of structural schematic diagram of the device of gear pre-selection in the embodiment of the present invention.
Specific embodiment
Referring to Fig.1, the dynamical system configured with single clutch gearbox vehicle may include: to be 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 connect with transmission input shaft, and motor EM is connect by gear G15 and G11 with transmission input shaft.By controlling synchronizer
Combined with different gears, different gears may be implemented in engine and motor.
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, it when vehicle enters paralleling model by pure power mode, needs to start engine.In order to which quick start is started
Machine reduces the time needed for vehicle enters paralleling model as pure power mode, can preselect 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.
For quick start engine, the time needed for vehicle enters paralleling model as pure power mode is reduced, for configuration
There is the isolated vehicle for closing 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 how to carry out gear pre-selection configured with the isolated vehicle for closing automatic gear-box, not
There is corresponding solution, therefore, for becoming urgently configured with how the isolated vehicle for closing automatic gear-box carries out gear pre-selection
Problem to be solved.
In view of the above-mentioned problems, the embodiment of the invention provides a kind of methods of gear pre-selection, using the method, according to institute
The opening value of practical 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 shift 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, to realize the successful pre-selection into front engine gear in parallel, target gear high for motor side and
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.
To make the above purposes, features and advantages of the invention more obvious and understandable, with reference to the accompanying drawing to the present invention
Specific embodiment explain in detail.
Referring to Fig. 2, the embodiment of the invention provides a kind of methods of gear pre-selection, and the method may include following steps
It is rapid:
Step 21, the current vehicle speed value of practical gas pedal current opening value and vehicle is obtained.
It in specific implementation, can be current using the practical gas pedal of various ways acquisition current opening value and vehicle
Vehicle speed value.For example, position sensor can be arranged at practical gas pedal, and then obtain the position sensor output
Signal, and according to the aperture of the determining practical gas pedal of the signal.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, in the vehicle in pure power mode, worked as according to the opening value of the practical gas pedal and vehicle
Preceding vehicle speed value searches the motor side shift 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
The gear for line replacement motor side of shifting gears, wherein the gear of motor side and the opening value of practical 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 practical gas pedal
The motor side shift 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 current vehicle speed value of the vehicle.
Fig. 3 is synchronizer combination schematic diagram corresponding to the gear combination of engine end and motor side, wherein table " to the left "
Show corresponding synchronizer in conjunction with left side gear, " to the right " indicate corresponding synchronizer in conjunction with right side gear,It indicates
When corresponding gear, the combination situation of each synchronizer and gear.Referring to Fig. 3, in practical applications, the gear (EM) of motor side is wrapped
Include: 1 grade, 2 grades, 3 grades and 4 grades, the gear (CE) of engine end may 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 of target gears for engine end.
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 starting 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, to determine that vehicle is entered by pure power mode
Whether need to downshift when 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.Of the invention
In embodiment, the virtual throttle pedal is different from the opening value of practical gas pedal.The opening value of the virtual throttle pedal
The related and related phase of driver's driving habit to engine end shift line under the current vehicle speed value of the vehicle, paralleling model
It closes, and the opening value of practical gas pedal can be obtained by actually detected, accordingly, with respect to the aperture of practical gas pedal
Value, the opening value of virtual throttle pedal can more directly reflect the acceleration demand of driver.
In specific implementation, the current opening value of virtual throttle pedal can be calculated using a variety of methods, for example, can root
Acceleration habit according to the current vehicle speed value of the vehicle and driver estimates the current opening value of the virtual throttle pedal.When
So, the current opening value of virtual throttle pedal can also be calculated using other methods, 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, can be used 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 opening obtain the virtual throttle pedal and open after being weighted processing
Angle value.Wherein, the initial value of the virtual throttle pedal opening 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 opening is related to the acceleration of driver habit.
Referring 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 will start before motor side is reduced to 2 grades by 4 grades
The gear of generator terminal changes to 3 gears.That is, by searching for motor side is reduced to 2 grades by 4 grades 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, it is 3 grades that the target gear of engine end, which is changed to,.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 practical 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 opening, can be by accelerating vehicle
The opening value of the practical gas pedal of Shi Suoshu is counted to obtain.Wherein, to the system of the opening value of the practical gas pedal
Count may include: the opening value of practical gas pedal when each vehicle accelerates change rate, and after vehicle accelerates every time
The finally opening value of stable practical gas pedal.When each vehicle accelerates, if the variation of the opening value of practical gas pedal
Rate is greater than preset first threshold value, and vehicle accelerate after the opening value of final stable practical gas pedal be greater than default second threshold
When, record the opening value of the 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 opening.Wherein, the first threshold and second threshold can be by these
Field personnel are configured according to the actual situation.
When the correction value of initial value and virtual throttle pedal opening to virtual throttle pedal opening is weighted processing, add
The value of weight coefficient is related to the statistics number of acceleration habit to driver.The statistics number of the acceleration habit of driver is got over
More, the weighting coefficient of the initial value of virtual throttle pedal opening is smaller, the weighting coefficient of the correction value of virtual throttle pedal opening
It is bigger.When the statistics number of the acceleration habit of driver reaches certain threshold value, the correction value of virtual throttle pedal opening 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, working as the target shift of motor side
When position is 4 grades, the target gear of engine end is 4 grades, can control synchronizer A with gear G02 ining conjunction with, 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 control
In conjunction with gear G01, synchronizer B is controlled in conjunction with gear G05.
In one embodiment of this invention, the method can also include: to be in pure power mode and described 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 practical gas pedal and vehicle, search
Engine end shift 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
The gear of end shift line replacement engine end, wherein the opening value and vehicle of the gear of engine end and practical gas pedal
Vehicle speed value it is corresponding.Therefore, when the target gear of the motor side is 4 grades non-, opening for the practical 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, start to determine
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 for stating the target gear control synchronizer of motor side and engine end, realizes gear pre-selection, reduces vehicle by pure power mode
Into the time required for paralleling model, vehicle quickly and is smoothly shifted 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.
Referring to Fig. 4, the embodiment of the invention provides a kind of devices 40 of gear pre-selection, and described device 40 may include: to obtain
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 obtaining the current vehicle speed value of practical gas pedal current opening value 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 shift line under pure power mode, determines motor
The target gear at end；
The computing unit 43, suitable for it is current to calculate virtual throttle pedal when the target gear of the motor side is 4 grades
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 shift 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 habit 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 opening
And the correction value of virtual throttle pedal opening is weighted after handling and obtains the virtual throttle pedal opening value, wherein described
The initial value of virtual throttle pedal opening is related to the speed of the vehicle, the correction value of the virtual throttle pedal opening and institute
The acceleration habit for stating driver is related.
In one embodiment of this invention, the initial value of the virtual throttle pedal opening, suitable for being worked as according to the vehicle
Preceding speed and engine end shift 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 opening, when being by accelerating to vehicle
What the opening value of the practical gas pedal was counted.
In one embodiment of this invention, described device further include: third 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 practical gas pedal
Current vehicle speed value searches the engine end shift 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
When 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 time required for paralleling model, and vehicle quickly and is smoothly shifted gears.
Those of ordinary skill in the art will appreciate that all or part of the steps in the various methods of above-described embodiment is can
It is completed with instructing relevant hardware by program, which can be stored in a computer readable storage medium, storage
Medium may include: ROM, RAM, disk or CD etc..
Although present disclosure is as above, present invention is not limited to this.Anyone 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 range of restriction.
Claims (10)
1. a kind of method of gear pre-selection, suitable for the vehicle configured with isolated conjunction automatic gear-box, when the vehicle obtains reality
After the current opening value of gas pedal and the current vehicle speed value of vehicle, which is characterized in that the method also includes:
When the vehicle is in pure power mode, according to the current speed of the opening value of the practical gas pedal and vehicle
Value searches the motor side shift 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
Engine end shift line and the driving habit of driver under the opening value of plate and the current vehicle speed value of the vehicle, paralleling model
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 shift 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 opening to virtual throttle pedal opening obtains institute after being weighted processing
State virtual throttle pedal opening value, wherein the initial value of the virtual throttle pedal opening is related to the speed of the vehicle, institute
The correction value for stating virtual throttle pedal opening is related to the acceleration of driver habit.
3. the method for gear as claimed in claim 2 pre-selection, which is characterized in that the virtual throttle pedal opening it is initial
Value, suitable for being determined according to the engine end shift 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 opening
Value, the opening value of the practical gas pedal is counted when being by accelerating vehicle.
5. such as the method for the described in any item gear pre-selections of Claims 1 to 4, 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 practical throttle
The current vehicle speed value of the opening value and vehicle of plate searches the engine end shift line under paralleling model, determines engine end
Target gear.
6. a kind of device of gear pre-selection, described device include suitable for obtaining practical gas pedal current opening value and vehicle
The acquiring unit of current vehicle speed value, which is characterized in that described device further include:
First determination unit, be suitable for when the vehicle is in pure power mode, according to the opening value of the practical gas pedal with
And the vehicle speed value that vehicle is current, the motor side shift line under pure power mode is searched, determines the target gear of motor side；
Computing unit, suitable for calculating the current opening value of virtual throttle pedal when the target gear of the motor side is 4 grades,
Engine end shift and is driven line 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 the speed current according to the current opening value of the virtual throttle pedal and the vehicle
Value searches the engine end shift 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 initial value of door pedal opening and the correction value of virtual throttle pedal opening obtain the virtual throttle and step on after being weighted processing
Plate opening value, wherein the initial value of the virtual throttle pedal opening is related to the vehicle speed value of the vehicle, the virtual throttle
The correction value of pedal opening is related to the acceleration of driver habit.
8. the device of gear as claimed in claim 7 pre-selection, which is characterized in that the virtual throttle pedal opening it is initial
Value, suitable for being determined according to engine end shift 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 opening
Value, the opening value of the practical gas pedal is counted when being by accelerating vehicle.
10. such as the device of the described in any item gear pre-selections of claim 6~9, which is characterized in that further include: third determines single
Member, when the target gear suitable for being in pure power mode and the motor side in the vehicle is non-4 grades, according to the practical throttle
The current vehicle speed value of the opening value and vehicle of pedal searches the engine end shift 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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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110889188B (en) * | 2018-09-10 | 2024-03-12 | 吉泰车辆技术（苏州）有限公司 | Intelligent target gear computing method |
| CN111746536B (en) * | 2019-03-27 | 2021-05-11 | 广州汽车集团股份有限公司 | Control method and device in self-adaptive cruise acceleration process and computer equipment |
| CN112406852B (en) * | 2019-08-20 | 2022-04-15 | 纬湃科技投资(中国)有限公司 | Control method for hybrid vehicle and hybrid vehicle |
| CN112498330A (en) * | 2019-08-26 | 2021-03-16 | 上海汽车集团股份有限公司 | Method and device for calculating gear-shifting speed-regulating target of parallel motor of hybrid electric vehicle |
| CN112431922B (en) * | 2019-08-26 | 2022-03-25 | 上海汽车集团股份有限公司 | Control method and system for gear shifting of gearbox |
| CN110962626B (en) * | 2019-12-27 | 2022-07-22 | 吉林大学 | Self-adaptive electronic differential control method for multi-shaft hub motor driven vehicle |
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| DE102010023316A1 (en) * | 2010-06-10 | 2011-12-15 | Voith Patent Gmbh | Method for setting switching points in a transmission or for increasing the torque of an electric drive machine |
| KR20120058153A (en) * | 2010-11-29 | 2012-06-07 | 현대자동차주식회사 | Method and system for controlling shift of vehicle |
| JP5927895B2 (en) * | 2011-12-16 | 2016-06-01 | アイシン精機株式会社 | Control device for drive device for hybrid vehicle |
| US8834317B2 (en) * | 2012-07-02 | 2014-09-16 | Ford Global Technologies, Llc | Hybrid vehicle and associated control method |
| DE102014202397A1 (en) * | 2013-02-15 | 2014-08-21 | Ford Global Technologies, Llc | Method of controlling hybrid vehicle,, involves increasing wheel torque to transition to select shift mode based on driver modifiable virtual gear number, pedal position, and vehicle speed |
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| CN105276156B (en) * | 2014-07-09 | 2017-09-22 | 上海汽车集团股份有限公司 | Automobile automatic shifting control method and device |
| CN104608760B (en) * | 2014-10-20 | 2016-05-25 | 比亚迪股份有限公司 | Hybrid vehicle and shift control method thereof, power drive system |
| DE102015206919A1 (en) * | 2015-04-16 | 2016-10-20 | Ford Global Technologies, Llc | Electric motor vehicle and operating method for an electric motor vehicle |
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