CN106838290A - Vehicle neutral gear accelerator control method and device - Google Patents
Vehicle neutral gear accelerator control method and device Download PDFInfo
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- CN106838290A CN106838290A CN201510881413.XA CN201510881413A CN106838290A CN 106838290 A CN106838290 A CN 106838290A CN 201510881413 A CN201510881413 A CN 201510881413A CN 106838290 A CN106838290 A CN 106838290A
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- vehicle
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- gear
- neutral gear
- control unit
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Classifications
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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
- F16H61/02—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 characterised by the signals used
- F16H61/0202—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 characterised by the signals used the signals being electric
- F16H61/0204—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 characterised by the signals used the signals being electric for gearshift control, e.g. control functions for performing shifting or generation of shift signal
- F16H61/0213—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 characterised by the signals used the signals being electric for gearshift control, e.g. control functions for performing shifting or generation of shift signal characterised by the method for generating shift signals
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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
- F16H59/14—Inputs being a function of torque or torque demand
- F16H59/18—Inputs being a function of torque or torque demand dependent on the position of the accelerator pedal
-
- 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
- F16H59/36—Inputs being a function of speed
- F16H59/44—Inputs being a function of speed dependent on machine speed of the machine, e.g. the vehicle
-
- 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
- F16H59/68—Inputs being a function of gearing status
-
- 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
- F16H59/14—Inputs being a function of torque or torque demand
- F16H59/18—Inputs being a function of torque or torque demand dependent on the position of the accelerator pedal
- F16H2059/183—Rate of change of accelerator position, i.e. pedal or throttle change gradient
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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
- F16H61/02—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 characterised by the signals used
- F16H61/0202—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 characterised by the signals used the signals being electric
- F16H61/0204—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 characterised by the signals used the signals being electric for gearshift control, e.g. control functions for performing shifting or generation of shift signal
- F16H61/0213—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 characterised by the signals used the signals being electric for gearshift control, e.g. control functions for performing shifting or generation of shift signal characterised by the method for generating shift signals
- F16H2061/0234—Adapting the ratios to special vehicle conditions
- F16H2061/0239—Selecting ratios for preventing or cancelling wheel slip
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control Of Transmission Device (AREA)
Abstract
A kind of vehicle neutral gear accelerator control method and device, the vehicle neutral gear accelerator control method include:Obtain the travel speed and gear information of vehicle;The travel speed reaches the first given threshold and the gear information when being neutral gear, gathers the positional information and temporal information of gas pedal, obtains the rate of change of the gas pedal;When the rate of change reaches the second given threshold, the positional information is transmitted to electronic control unit;The gear information of the vehicle is switched into drive shift.The vehicle neutral gear accelerator control method and device realize vehicle be in neutral gear traveling need accelerate when automatic gear switch, avoiding vehicle can not obtain the situation of power when needing and accelerating, oil consumption is reduced, while improve the drive safety of vehicle neutral gear acceleration.
Description
Technical field
The present invention relates to field of vehicle safety, more particularly to a kind of vehicle neutral gear accelerator control method and device.
Background technology
With the development of automobile industry, auto parts and components field there has also been obvious progressive and develop.Becoming
, there is manual transmission (Manual Transmission, MT) in fast case field, also referred to as manual, i.e., dialled with hand
Dynamic gear lever could change the gear engagement position in gearbox, change gearratio, so as to reach speed change
Purpose, generally includes 1 grade, 2 grades, 3 grades, 4 grades, reverse gear and neutral gear;Also automatic gear-box (Automatic
Transmission, AT), coordinate tradition machinery gear-box to realize gear shift function using hydraulic torque converter, generally
(shelves are moved, is at most risen in this gear including P grades (parking), N grades (neutral gear), D grades (driving gear), S grades
To 2 grades of MT), L grades (equivalent to 1 grade of MT).AT and MT all step type gearboxes, AT energy
Speed according to speed is automatically obtained the increase and decrease of gear, can eliminate what MT vehicles occurred due to shift
Pause and transition in rhythm or melody phenomenon.
In the prior art, mechanical automatic gearbox (Automated Manual Transmission, AMT)
It is a kind of mechanical-electrical-hydraulic integration automatic gear-box, is on the basis of traditional hand gear type gearbox, to incite somebody to action
Clutch separation and selector fork of manual transmission etc. realize automatic manipulation by the part of human control, i.e.,
Realized by electronic or hydraulic power.AMT combines the advantage of AT and MT, and AMT had both had common
The advantage of automatic gear-box fluid drive, remain again the gear-driven efficiency high of former manual transmission, into
This low, simple structure, the simple advantage of manufacturing process.AMT is carried out on the basis of manual transmission
Transformation, most original assembly parts are remained, only change the gear shift bar portion of wherein manual operation system
Point, production inheritance is good, and the Meteorological of transformation is few, is used in most of vehicle.It is being equipped with
In the Some vehicles of AMT, vehicle can be linked into neutral gear and slide when travel speed is less than 80km/h,
Realize the control of automatic gear.
But, vehicle gear box be linked into neutral gear slide a period of time after, if vehicle need accelerate, need
D grades is gained again, and otherwise vehicle user is stepped on the gas, and still vehicle does not accelerate the raising of rear engine rotating speed,
Vehicle user sky is caused to be stepped on the gas, vehicle can not obtain power;Causing the oil consumption of vehicle increases, meanwhile,
Also the safe driving of user can be caused a hidden trouble.
The content of the invention
Present invention solves the technical problem that being the drive safety for how improving the acceleration of vehicle neutral gear.
In order to solve the above technical problems, the embodiment of the present invention provides a kind of vehicle neutral gear accelerator control method,
Including:
Obtain the travel speed and gear information of vehicle;
The travel speed reaches the first given threshold and the gear information when being neutral gear, and collection throttle is stepped on
The positional information and temporal information of plate, obtain the rate of change of the gas pedal;
When the rate of change reaches the second given threshold, the positional information is transmitted to electronic control unit;
The gear information of the vehicle is switched into drive shift.
Optionally, it is described the gear information of the vehicle is switched into drive shift after, by the throttle
The positional information of pedal is transmitted to electronic control unit.
Optionally, the positional information is the angle information of the gas pedal;The rate of change is described
The ratio of angle information and the temporal information.
Optionally, when the rate of change is not reaching to the second given threshold, prompt message is sent;It is described to carry
Show that information can be one or more of:Sound and word.
Optionally, the gearshift control instruction according to the electronic control unit switches to the gear information
Drive shift.
Optionally, when the rate of change reaches the second given threshold, by the corresponding voltage of the positional information
Signal transmission is to electronic control unit.
In order to solve the above technical problems, the embodiment of the invention also discloses a kind of vehicle neutral gear Throttle Opening Control dress
Put, the vehicle neutral gear accelerator control device includes:
Information of vehicles acquiring unit, obtains the travel speed and gear information of vehicle;
Throttle information acquisition unit, is suitable to reach the first given threshold and the gear in the travel speed
When information is neutral gear, the positional information and temporal information of gas pedal are gathered, obtain the gas pedal
Rate of change;
Electronic control unit;
Transmission unit, is suitable to, when the rate of change reaches the second given threshold, the positional information be passed
Transport to the electronic control unit;
Automatic gear-box control unit, is suitable to for the gear information of the vehicle to switch to drive shift.
Optionally, the vehicle neutral gear accelerator control device also includes:
Tip element, couples the throttle information acquisition unit, is suitable to be not reaching to the in the rate of change
During two given thresholds, prompt message is sent;The prompt message can be one or more of:Sound
And word.
Optionally, the automatic gear-box control unit refers to according to the gearshift control of the electronic control unit
The gear information is switched to drive shift by order.
Optionally, the transmission unit, will be described when the rate of change reaches second given threshold
The corresponding voltage signal of positional information is transmitted to electronic control unit.
Compared with prior art, the technical scheme of the embodiment of the present invention has the advantages that:
The embodiment of the present invention is reached by obtaining the travel speed and gear information of vehicle in the travel speed
When to the first given threshold and the gear information being neutral gear, positional information and the time of gas pedal are gathered
Information simultaneously obtains the rate of change of the gas pedal, when the rate of change reaches the second given threshold, will
The positional information is transmitted to electronic control unit and the gear information of the vehicle is switched into advance
Shelves;Realize vehicle and be in automatic gear switch when neutral gear traveling needs to accelerate, it is to avoid vehicle is being needed
The situation of power can not be obtained when accelerating, oil consumption is reduced, while improve driving for vehicle neutral gear acceleration
Sail security.
Brief description of the drawings
Fig. 1 is a kind of vehicle neutral gear accelerator control method flow chart of the embodiment of the present invention;
Fig. 2 is embodiment of the present invention another kind vehicle neutral gear accelerator control method flow chart;
Fig. 3 is a kind of vehicle neutral gear accelerator control device structural representation of the embodiment of the present invention;
Fig. 4 is a kind of throttle response curve schematic diagram of the embodiment of the present invention.
Specific embodiment
As described in the background art, vehicle gear box be linked into neutral gear slide a period of time after, if vehicle
Need to accelerate, it is necessary to gain D grade again, otherwise vehicle user rear engine rotating speed of stepping on the gas improves still car
Without accelerate, cause vehicle user sky to be stepped on the gas, vehicle can not obtain power;Cause the oil consumption of vehicle
Increase, meanwhile, the safe driving of user can also be caused a hidden trouble.
The embodiment of the present invention is reached by obtaining the travel speed and gear information of vehicle in the travel speed
When to the first given threshold and the gear information being neutral gear, positional information and the time of gas pedal are gathered
Information simultaneously obtains the rate of change of the gas pedal, when the rate of change reaches the second given threshold, will
The positional information is transmitted to electronic control unit and the gear information of the vehicle is switched into advance
Shelves;Realize vehicle and be in automatic gear switch when neutral gear traveling needs to accelerate, it is to avoid vehicle is being needed
The situation of power can not be obtained when accelerating, oil consumption is reduced, while improve driving for vehicle neutral gear acceleration
Sail security.
It is understandable to enable the above objects, features and advantages of the present invention to become apparent, below in conjunction with the accompanying drawings
Specific embodiment of the invention is described in detail.
Fig. 1 is a kind of vehicle neutral gear accelerator control method flow chart of the embodiment of the present invention.
Fig. 1 is refer to, the vehicle neutral gear accelerator control method includes:Step S101, obtains vehicle
Travel speed and gear information.
In the present embodiment, vehicle neutral gear accelerator control method first have to judge the transport condition of vehicle, it is necessary to
The gear information of collection vehicle.Wherein, the gear information of vehicle is collected by gearbox.Vehicle
Gear information include N grades (neutral gear), D grades (driving gear), S grades, L grades (speed limit effect).Wherein, car
In N grade when, vehicle will not stop working, and gear train in gearbox dallies, it is impossible to export power,
And speed can otherwise damage gearbox no more than 80km/h;When vehicle is in D grades, in gearbox
Gear train is rotated, and is vehicle output power.Additionally, vehicle neutral gear accelerator control method will judge vehicle
Transport condition, in addition it is also necessary to the travel speed of collection vehicle.Wherein, Vehicle Speed is by vehicle
Wheel speed sensors collect.
Step S102, the travel speed reaches the first given threshold and the gear information when being neutral gear,
The positional information and temporal information of gas pedal are gathered, the rate of change of the gas pedal is obtained.
In the present embodiment, judge that the Vehicle Speed reaches the first given threshold and the gear information
It is neutral gear, gathers the positional information and temporal information of gas pedal, ensure that vehicle is to run over journey
In be linked into neutral gear, gearbox carries out the operation of data acquisition in neutral gear.
In specific implementation, first given threshold is set as 5km/h, i.e., when Vehicle Speed is more than
When the gearbox of 5km/h and vehicle is linked into N grades, the positional information and temporal information of gas pedal are gathered.
It should be noted that the size of first given threshold can be adapted to according to actual application environment
The adjustment of property.
In the present embodiment, the positional information is the angle information of the gas pedal;The temporal information
Be vehicle user from start accelerator pedal to terminate accelerator pedal time;The rate of change is described
The ratio of angle information and the temporal information.
In specific implementation, during the traveling of vehicle, vehicle user is controlled by accelerator pedal
Air input of engine by air, so as to control the rotating speed of engine;Gas pedal is to electronic control unit (Electronic
Control Unit, ECU) transmission speed control signal;Electronic control unit gathers engine speed and passes simultaneously
The signals such as sensor, vehicle speed sensor, and combine engine speed and Current vehicle travel speed control vehicle
Travel speed.The angle information of the gas pedal is small with the ratio of the temporal information, shows vehicle
User is gently to step on the gas;The angle information of the gas pedal is big with the ratio of the temporal information, shows
Vehicle user is attached most importance to and is stepped on the gas, and now, can determine whether that vehicle is the situation for needing to accelerate.
Step S103, when the rate of change reaches the second given threshold, the positional information is transmitted to electricity
Sub-control unit.
In the present embodiment, the ratio of the angle information of the gas pedal and the temporal information is that is, described
When the rate of change of gas pedal reaches the second given threshold, the corresponding voltage signal of the positional information is passed
Transport to electronic control unit.
In specific implementation, the second given threshold is 15 degrees seconds, i.e., described gas pedal changed angle in single second
When degree is more than 15 degree, the angle information of gas pedal is transmitted to electronic control unit, by Electronic Control list
Unit carries out the control of Vehicle Speed according to the angle information of gas pedal.
It should be noted that the size of second given threshold can be adapted to according to actual application environment
The adjustment of property.
In the present embodiment, when the rate of change is not reaching to the second given threshold, prompt message is sent;Institute
Stating prompt message includes sound, word.
In specific implementation, the gas pedal in single second angle changing be less than or equal to 15 degree when, throttle is stepped on
The angle information of plate will not be transmitted to electronic control unit, and vehicle neutral gear accelerator control method can be used to vehicle
Family sends prompt message, reminds vehicle user that gearbox is linked into D grades.
It is understood that the prompt message can be warning light, changed in single second in gas pedal
When angle is less than or equal to 15 degree, warning light is bright to remind vehicle user that gearbox is linked into D grades;Can also lead to
The functional realiey of onboard system word or voice broadcast is crossed, reminds vehicle user that gearbox is linked into D
Shelves.
Step S104, drive shift is switched to by the gear information of the vehicle.
In the present embodiment, gearshift control of the vehicle neutral gear accelerator control method according to the electronic control unit
The gear information is switched to drive shift by instruction.
In specific implementation, electronic control unit exports to automatic gear-box control unit gearshift control instruction
(Transmission Control Unit, TCU), makes the gear information of gearbox switch to D grades, in fact
Existing automatic shift control.
In the present embodiment, vehicle neutral gear accelerator control method switches to the gear information of the vehicle
After drive shift, the positional information of the gas pedal is transmitted to electronic control unit, carry out vehicle
The control of travel speed.
The embodiment of the present invention realize vehicle be in neutral gear traveling need accelerate when automatic gear switch, keep away
Having exempted from vehicle can not obtain the situation of power when needing and accelerating, and oil consumption be reduced, while improve vehicle
The drive safety that neutral gear accelerates.
Fig. 2 is embodiment of the present invention another kind vehicle neutral gear accelerator control method flow chart.
The vehicle neutral gear accelerator control method includes:Step S201, judges whether travel speed is more than
5km/h, if it is, into step S202, otherwise continuing step S201.
Step S202, judges whether gear information is neutral gear, if it is, into step S203, otherwise
Continue step S202.
Whether step S203, judge gas pedal rate of change more than 15 degrees seconds, if it is, into step
Rapid S204, otherwise into step S205.
Step S204, sends prompt message.
In the present embodiment, the gas pedal in single second angle changing be less than or equal to 15 degree when, throttle is stepped on
The angle information of plate will not be transmitted to electronic control unit, and vehicle neutral gear accelerator control method can be used to vehicle
Family sends prompt message, reminds vehicle user that gearbox is linked into D grades.
It is understood that the prompt message can be warning light, changed in single second in gas pedal
When angle is less than or equal to 15 degree, warning light is bright to remind vehicle user that gearbox is linked into D grades;Can also lead to
The functional realiey of onboard system word or voice broadcast is crossed, reminds vehicle user that gearbox is linked into D
Shelves.
Step S205, sends accelerator pedal position information to electronic control unit.
In the present embodiment, the gas pedal in single second angle changing be more than 15 degree when, by gas pedal
Angle information transmit to electronic control unit, by electronic control unit according to the angle information of gas pedal
Carry out the control of Vehicle Speed.
Step S206, drive shift is switched to by the gear information of vehicle.
Specific embodiment refers to previous embodiment, and here is omitted.
Fig. 3 is a kind of vehicle neutral gear accelerator control device structural representation of the embodiment of the present invention.
Fig. 3 is refer to, the vehicle neutral gear accelerator control device includes:Engine electronic control unit 304.
Information of vehicles acquiring unit 301, obtains the travel speed and gear information of vehicle.
Throttle information acquisition unit 302, is suitable to reach the first given threshold and the shelves in the travel speed
When position information is neutral gear, the positional information and temporal information of gas pedal are gathered, obtain the gas pedal
Rate of change.
In the present embodiment, judge that the Vehicle Speed reaches the first given threshold and the gear information
It is neutral gear, ensure that vehicle is to be linked into neutral gear in parking, it is to avoid vehicle is linked into sky in the process of moving
The situation of shelves.
In the present embodiment, throttle information acquisition unit 302 is more than 5km/h and vehicle in Vehicle Speed
Gearbox when being linked into N grades, gather the positional information and temporal information of gas pedal.The gas pedal
Angle information it is small with the ratio of the temporal information, show vehicle user gently to step on the gas;The throttle
The angle information of pedal is big with the ratio of the temporal information, shows that vehicle user is attached most importance to and steps on the gas, now,
Can determine whether that vehicle is the situation for needing to accelerate.
It should be noted that the size of first given threshold can be adapted to according to actual application environment
The adjustment of property.
Transmission unit 303, is suitable to when the rate of change reaches the second given threshold, by the positional information
Transmit to the engine electronic control unit 304.
In the present embodiment, the transmission unit 303, will when the rate of change reaches the second given threshold
The corresponding voltage signal of the positional information is transmitted to electronic control unit.
In specific implementation, the second given threshold is 15 degrees seconds, i.e., described gas pedal changed angle in single second
When degree is more than 15 degree, the angle information of gas pedal is transmitted to electronic control unit, by Electronic Control list
Unit carries out the control of Vehicle Speed according to the angle information of gas pedal.
It should be noted that the size of second given threshold can be adapted to according to actual application environment
The adjustment of property.
Automatic gear-box control unit 305, is suitable to for the gear information of the vehicle to switch to advance
Shelves.
Tip element 306, couples the throttle information acquisition unit 302, is suitable to not have in the rate of change
When reaching the second given threshold, prompt message is sent;The prompt message includes sound, word.
In specific implementation, the gas pedal in single second angle changing be less than or equal to 15 degree when, throttle is stepped on
The angle information of plate will not be transmitted to engine electronic control unit 304, vehicle neutral gear accelerator control method meeting
Prompt message is sent to vehicle user, reminds vehicle user that gearbox is linked into D grades.
It is understood that the prompt message can be warning light, changed in single second in gas pedal
When angle is less than or equal to 15 degree, warning light is bright to remind vehicle user that gearbox is linked into D grades;Can also lead to
The functional realiey of onboard system word or voice broadcast is crossed, reminds vehicle user that gearbox is linked into D
Shelves.
In the present embodiment, the automatic gear-box control unit 305 is according to the engine electronic control system list
The gear information is switched to drive shift by the gearshift control instruction of unit 304.
In the present embodiment, the vehicle neutral gear accelerator control device is arranged on gas pedal and Motronic control maps
Between control unit 304, receive the gas pedal of throttle information acquisition unit 302 positional information and when
Between information and information of vehicles acquiring unit 301 vehicle travel speed and gear information.
Specific embodiment refers to previous embodiment, and here is omitted.
In the present embodiment, engine electronic control unit 304 combines gas pedal opening information and vehicle row
Velocity information is sailed, corresponding drive shift oil circuit is connected.The different gears of automatic gear-box control unit 305
Gear train be combined under the control of engine electronic control unit, obtain corresponding gearratio, root
According to the gear information of the change switching vehicle of Vehicle Speed, the fluid drive of vehicle is realized.
Fig. 4 is a kind of throttle response curve schematic diagram of the embodiment of the present invention.
Reference picture 3 in the lump, the vehicle neutral gear accelerator control device can also change accelerator pedal angle with it is right
The relation of output voltage is answered, so as to adjust the response characteristic of throttle.
In the present embodiment, the air throttle (Throttle Valve) of vehicle is for controlling air to enter engine
One controllable valve, air participates in combustion into after air inlet pipe and gasoline is mixed into burning mixture
Acting is burnt for engine provides power.The positional information of gas pedal is transmitted to engine electronic control unit
304, and then the aperture of air throttle is controlled by engine electronic control unit 304 again.When gas pedal compared with
When small aperture controls larger throttle opening, show that the sensitivity of gas pedal is high, vehicle is easy to control
System, security performance is high.
Fig. 4 is refer to, in the present embodiment, curve 1 represents former car throttle response curve, and curve 2 represents logical
The throttle response curve crossed after vehicle neutral gear accelerator control device changes.Wherein, abscissa is gas pedal
Aperture, represents the angle that gas pedal is opened, and ordinate is throttle opening, represents what air throttle was opened
Valve size, is represented by the way of percentage in the present embodiment.
In the present embodiment, as shown by curve 1, former car throttle responsive state is:When gas pedal steps on 50%
Afterwards, throttle opening is about 72%;After gas pedal steps on 70%, the standard-sized sheet of air throttle 100%.
In the present embodiment, as shown by curve 2, after vehicle neutral gear accelerator control device adjusts sensitivity
Throttle response curve state be:After gas pedal steps on 50%, the standard-sized sheet of air throttle 100%.
The throttle response of the embodiment of the present invention, can be with after the regulation sensitivity of vehicle neutral gear accelerator control device
Throttle valve reaches standard-sized sheet after gas pedal steps on 50%, increased the response of air throttle, such that it is able to
Adapt to the demand that vehicle user is responded to throttle.
The embodiment of the present invention is reached by obtaining the travel speed and gear information of vehicle in the travel speed
When to the first given threshold and the gear information being neutral gear, positional information and the time of gas pedal are gathered
Information simultaneously obtains the rate of change of the gas pedal, when the rate of change reaches the second given threshold, will
The positional information is transmitted to electronic control unit and the gear information of the vehicle is switched into advance
Shelves;Realize vehicle and be in automatic gear switch when neutral gear traveling needs to accelerate, it is to avoid vehicle is being needed
The situation of power can not be obtained when accelerating, oil consumption is reduced, while improve driving for vehicle neutral gear acceleration
Sail security.
Although present disclosure is as above, the present invention is not limited to this.Any those skilled in the art,
Without departing from the spirit and scope of the present invention, can make various changes or modifications, therefore guarantor of the invention
Shield scope should be defined by claim limited range.
Claims (10)
1. a kind of vehicle neutral gear accelerator control method, it is characterised in that including:
Obtain the travel speed and gear information of vehicle;
The travel speed reaches the first given threshold and the gear information when being neutral gear, gathers gas pedal
Positional information and temporal information, obtain the rate of change of the gas pedal;
When the rate of change reaches the second given threshold, the positional information is transmitted to electronic control unit;
The gear information of the vehicle is switched into drive shift.
2. vehicle neutral gear accelerator control method according to claim 1, it is characterised in that it is described will be described
After the gear information of vehicle switches to drive shift, the positional information of the gas pedal is passed
Transport to electronic control unit.
3. vehicle neutral gear accelerator control method according to claim 1, it is characterised in that the position letter
It is the angle information of the gas pedal to cease;The rate of change is believed for the angle information with the time
The ratio of breath.
4. vehicle neutral gear accelerator control method according to claim 1, it is characterised in that the rate of change
When being not reaching to the second given threshold, prompt message is sent;The prompt message can be following one kind
Or it is various:Sound and word.
5. vehicle neutral gear accelerator control method according to claim 1, it is characterised in that according to the electricity
The gear information is switched to drive shift by the gearshift control instruction of sub-control unit.
6. vehicle neutral gear accelerator control method according to claim 1, it is characterised in that the rate of change
When reaching second given threshold, the corresponding voltage signal of the positional information is transmitted to the electricity
Sub-control unit.
7. a kind of vehicle neutral gear accelerator control device, it is characterised in that including:
Information of vehicles acquiring unit, obtains the travel speed and gear information of vehicle;
Throttle information acquisition unit, is suitable to reach the first given threshold in the travel speed and the gear is believed
Cease during for neutral gear, gather the positional information and temporal information of gas pedal, obtain the gas pedal
Rate of change;
Electronic control unit;
Transmission unit, is suitable to when the rate of change reaches the second given threshold, by positional information transmission
To the electronic control unit;
Automatic gear-box control unit, is suitable to for the gear information of the vehicle to switch to drive shift.
8. vehicle neutral gear accelerator control device according to claim 7, it is characterised in that also include:
Tip element, couples the throttle information acquisition unit, is suitable to be not reaching in the rate of change described
During the second given threshold, prompt message is sent;The prompt message can be one or more of:
Sound and word.
9. vehicle neutral gear accelerator control device according to claim 7, it is characterised in that
The automatic gear-box control unit is instructed the shelves according to the gearshift control of the electronic control unit
Position information switches to drive shift.
10. vehicle neutral gear accelerator control device according to claim 7, it is characterised in that
The transmission unit when the rate of change reaches second given threshold, by the positional information pair
The voltage signal answered is transmitted to the electronic control unit.
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CN107933546A (en) * | 2017-11-22 | 2018-04-20 | 武汉理工大学 | Two shift transmission process for gear of pure electric vehicle city bus and system based on satellite positioning |
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CN111372802A (en) * | 2017-11-15 | 2020-07-03 | 标致雪铁龙汽车股份有限公司 | Method for controlling engagement device of motor of hybrid vehicle |
CN113446392A (en) * | 2020-03-27 | 2021-09-28 | 广州汽车集团股份有限公司 | Shift-by-wire control method, shift-by-wire device and system |
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