CN104455375B - Self-learning gear control method and device for transmission control unit - Google Patents
Self-learning gear control method and device for transmission control unit Download PDFInfo
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- CN104455375B CN104455375B CN201410707790.7A CN201410707790A CN104455375B CN 104455375 B CN104455375 B CN 104455375B CN 201410707790 A CN201410707790 A CN 201410707790A CN 104455375 B CN104455375 B CN 104455375B
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- gear
- shift
- dutycycle
- reference value
- 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
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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
- F16H59/02—Selector apparatus
- F16H59/08—Range selector apparatus
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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
- F16H59/02—Selector apparatus
- F16H59/08—Range selector apparatus
- F16H2059/082—Range selector apparatus with different modes
- F16H2059/086—Adaptive mode, e.g. learning from the driver
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control Of Transmission Device (AREA)
Abstract
The invention discloses a self-learning gear control method and device for a transmission control unit. The method comprises the steps of controlling the transmission control unit to calculate the duty ratio reference values of the P gear, the R gear, the N gear and the D gear; controlling the transmission control unit to store the duty ratio reference values of the P gear, the R gear, the N gear and the D gear; triggering the transmission control unit to read the duty ratio reference values of the P gear, the R gear, the N gear and the D gear; triggering the transmission control unit to calculate the duty ratio ranges of the P gear, the R gear, the N gear and the D gear according to the duty ratio reference values of the P gear, the R gear, the N gear and the D gear. By the adoption of the technical scheme, the situation that an automatic transmission needs to be returned to be maintained after sensor replacement in the prior art can be avoided, and therefore convenience can be brought to car owners.
Description
Technical field
The present invention relates to control technology field, more particularly, to control unit for automatic shift gear Learning Control Method and
Device.
Background technology
Automatic transmission is that occur with respect to manual transmission a kind of can carry out gear shift automatically according to engine speed
Equipment.The appearance of automatic transmission, alleviates tension when driver drives a car.Due to need not change in driving procedure
Shelves, driver can absorbedly observe the situation of vehicle periphery, and due to using accurate electric control gear, fluid drive
Device not only adapts to various driving conditions, and is suitable for different driving styles.This means that the gear shift moment depends on driving
Sail mode, engine load, speed and engine speed, thus, take full advantage of the effective power of electromotor.
(transmission control unit, automatic gear-box controls for the control device of automatic transmission, referred to as tcu
Unit).The gear-change operation of automatic transmission to be controlled by tcu, and therefore, tcu is particularly important with regard to the control accuracy of gear shift.
In current technology, tcu passes through to determine the dutycycle in which gear for the duty cycle signals of Hall-type gear position sensor reading
In the range of, to determine the position of shift bar.The higher limit of each gear duty cycle range and lower limit are based on eol (end
Of line testing tool, offline tester) p-wire measured value, tcu according to this measured value calculate concrete certain
The duty cycle range of individual gear.
During the sensor failure of automatic transmission, need the sensor more renewing.In current technology, change new sensor
Automatic transmission afterwards needs the eol p-wire returning production firm to retest the dutycycle of each gear, then determines again
The duty cycle range of each gear.This process of depot repair is bothersome laborious, can make troubles to a lot of car owners.
Content of the invention
In view of this, the invention provides a kind of control unit for automatic shift gear Learning Control Method and device,
Need the problem of depot repair in order to avoid changing the automatic transmission after new sensor in prior art, therefore, it is possible to for car owner
Bring convenience.
For achieving the above object, the following technical scheme of present invention offer:
A kind of control unit for automatic shift gear Learning Control Method, comprising:
Control described control unit for automatic shift to obtain shift bar at least first preset times respectively and enter parking position switch p position
The duty cycle signals put, the dutycycle reference value averaged as parking position switch p, obtain shift bar at least second preset times and enter
Enter the duty cycle signals of reverse gear r position, the dutycycle reference value averaged as reverse gear r, obtain shift bar at least the
Three preset times enter the duty cycle signals of neutral gear n position, the dutycycle reference value averaged as neutral gear n, obtain gear shift
Bar at least the 4th preset times enter the duty cycle signals of drive shift d position, the dutycycle benchmark averaged as drive shift d
Value;
Control described control unit for automatic shift store respectively described parking position switch p, described reverse gear r, described neutral gear n and
The dutycycle reference value of described drive shift d;
Trigger described control unit for automatic shift read respectively described parking position switch p, described reverse gear r, described neutral gear n and
The dutycycle reference value of described drive shift d;
Trigger described control unit for automatic shift according to described parking position switch p, described reverse gear r, described neutral gear n and described
The dutycycle reference value of drive shift each gear of d, calculates described parking position switch p, described reverse gear r, described neutral gear n and described respectively
Drive shift each gear of d duty cycle range.
Preferably, the described control unit for automatic shift of described control obtains shift bar at least first preset times respectively and enters
Enter the duty cycle signals of parking position switch p position, the dutycycle reference value averaged as parking position switch p, obtain shift bar at least the
Two preset times enter the duty cycle signals of reverse gear r position, the dutycycle reference value averaged as reverse gear r, obtain
Shift bar at least the 3rd preset times enter the duty cycle signals of neutral gear n position, the dutycycle benchmark averaged as neutral gear n
Value, obtains the duty cycle signals that shift bar at least the 4th preset times enter drive shift d position, averages as drive shift d
Dutycycle reference value, also include before:
Control electricity on car load but misfire.
Preferably, on described control car load electricity but after misfiring, also include:
Obtain the water temperature of electromotor and the oil temperature of automatic transmission, when water temperature and the described automatic transmission of described electromotor
Below 60 degrees Celsius of oil temperature when, triggering execution subsequent operation.
Preferably, described first preset times are no less than 3 times.
Preferably, described second preset times are no less than 3 times.
Preferably, described 3rd preset times are no less than 3 times.
Preferably, described shift bar by artificial in described parking position switch p, described reverse gear r, described neutral gear n and described advance
Switch between shelves d, the switching interval time between any two gear is no less than 5 seconds.
Preferably, described according to described parking position switch p, described reverse gear r, described neutral gear n and described each gear of drive shift d
Dutycycle reference value, calculate described parking position switch p, described reverse gear r, described neutral gear n and described each gear of drive shift d respectively
Duty cycle range, comprising:
It is equally divided into first default part between the dutycycle reference value and the dutycycle reference value of reverse gear r of parking position switch p
Number, according to the dutycycle higher limit of location position parking position switch p of hydraulic manual valve parking position switch p oil circuit closure, according to hydraulic manual
The dutycycle lower limit of location position reverse gear r that valve reverse gear r oil circuit is opened;
It is equally divided into the second default number between the dutycycle reference value and the dutycycle reference value of neutral gear n of parking position switch r,
According to the dutycycle higher limit of location position reverse gear r of hydraulic manual valve reverse gear oil circuit closure, empty according to hydraulic manual valve
The dutycycle lower limit of the location position neutral gear n that shelves n oil circuit is opened;
It is equally divided into the 3rd default number between the dutycycle reference value and the dutycycle reference value of drive shift d of neutral gear n,
According to the dutycycle higher limit of the location position neutral gear n of hydraulic manual valve neutral gear n oil circuit closure, according to hydraulic manual valve drive shift
The dutycycle lower limit of the location position drive shift d that d oil circuit is opened.
Preferably, described triggering described control unit for automatic shift read respectively described parking position switch p, described reverse gear r,
After the dutycycle reference value of described neutral gear n and described drive shift d, also include:
Obtain the dutycycle lower limit default value of parking position switch p and the dutycycle upper limit default value of drive shift d.
A kind of control unit for automatic shift gear Self-learning control device, comprising:
First control module, presets for controlling described control unit for automatic shift to obtain shift bar at least first respectively
Number of times enters the duty cycle signals of parking position switch p position, the dutycycle reference value averaged as parking position switch p, obtains shift bar
At least second preset times enter the duty cycle signals of reverse gear r position, the dutycycle benchmark averaged as reverse gear r
Value, obtains the duty cycle signals that shift bar at least the 3rd preset times enter neutral gear n position, accounting for as neutral gear n of averaging
Empty ratio reference value, obtains the duty cycle signals that shift bar at least the 4th preset times enter drive shift d position, conduct of averaging
The dutycycle reference value of drive shift d;
Second control module, for control described control unit for automatic shift store respectively described parking position switch p, described fall
The dutycycle reference value of car stop r, described neutral gear n and described drive shift d;
First trigger module, for trigger described control unit for automatic shift read respectively described parking position switch p, described fall
The dutycycle reference value of car stop r, described neutral gear n and described drive shift d;
Second trigger module, for triggering described control unit for automatic shift according to described parking position switch p, described reverse gear
R, described neutral gear n and the dutycycle reference value of described drive shift each gear of d, calculate described parking position switch p, described reverse gear respectively
R, described neutral gear n and the duty cycle range of described drive shift each gear of d.
Understand via above-mentioned technical scheme, compared with prior art, the invention provides a kind of automatic transmission controls
Unit gear Learning Control Method and device.The technical scheme being provided using the present invention, controls described automatic transmission first
Control unit obtains the duty cycle signals that shift bar at least first preset times enter parking position switch p position, work of averaging respectively
For the dutycycle reference value of parking position switch p, obtain the dutycycle letter that shift bar at least second preset times enter reverse gear r position
Number, the dutycycle reference value averaged as reverse gear r, obtain shift bar at least the 3rd preset times and enter neutral gear n position
Duty cycle signals, the dutycycle reference value averaged as neutral gear n, obtain shift bar at least the 4th preset times enter before
Enter grade duty cycle signals for d position, the dutycycle reference value averaged as drive shift d;Then, control described fluid drive
Device control unit stores described parking position switch p, the dutycycle benchmark of described reverse gear r, described neutral gear n and described drive shift d respectively
Value;Then, trigger described control unit for automatic shift read respectively described parking position switch p, described reverse gear r, described neutral gear n and
The dutycycle reference value of described drive shift d;Finally, trigger described control unit for automatic shift according to described parking position switch p, described
The dutycycle reference value of reverse gear r, described neutral gear n and described drive shift each gear of d, calculates described parking position switch p, described respectively
The duty cycle range of reverse gear r, described neutral gear n and described drive shift each gear of d.The technical scheme that the present invention provides, passes through
Control control unit for automatic shift to determine the dutycycle reference value of each gear of prnd, trigger control unit for automatic shift
The duty cycle range of each gear of prnd is calculated according to the dutycycle reference value of each gear of prnd.As can be seen that the present invention
The technical scheme providing is it is no longer necessary to the eol p-wire that automatic transmission is returned to factory just can determine each shelves of prnd
The dutycycle reference value of position.Therefore, the technical scheme that the application present invention provides produces it is not necessary to need to return automatic transmission
The eol p-wire of manufacturer just can determine the duty cycle range of each gear, and maintenance flow reduces, and is that car owner brings conveniently.
Brief description
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
Have technology description in required use accompanying drawing be briefly described it should be apparent that, drawings in the following description be only this
Inventive embodiment, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
The accompanying drawing providing obtains other accompanying drawings.
Fig. 1 is a kind of flow process of control unit for automatic shift gear Learning Control Method provided in an embodiment of the present invention
Figure;
Fig. 2 is another control unit for automatic shift gear Learning Control Method provided in an embodiment of the present invention
Flow chart;
Fig. 3 is a kind of structure of control unit for automatic shift gear Self-learning control device provided in an embodiment of the present invention
Figure.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation description is it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of not making creative work
Embodiment, broadly falls into the scope of protection of the invention.
Understandable for enabling the above objects, features and advantages of the present invention to become apparent from, below in conjunction with the accompanying drawings and specifically real
The present invention is further detailed explanation to apply mode.
Embodiment one
Refer to Fig. 1, Fig. 1 is a kind of control unit for automatic shift gear Self-learning control provided in an embodiment of the present invention
The flow chart of method.As shown in figure 1, the method includes:
Step s101, controls described control unit for automatic shift to calculate the dutycycle reference value of each gear of prnd;
Specifically, each gear of automatic transmission prnd is: p (parking, parking position switch), r (reverse, reverse gear), n
(neutral, neutral gear), d (driving, drive shift).
Specifically, described step s101 includes:
Control described control unit for automatic shift to obtain shift bar at least first preset times respectively and enter parking position switch p position
The duty cycle signals put, the dutycycle reference value averaged as parking position switch p, obtain shift bar at least second preset times and enter
Enter the duty cycle signals of reverse gear r position, the dutycycle reference value averaged as reverse gear r, obtain shift bar at least the
Three preset times enter the duty cycle signals of neutral gear n position, the dutycycle reference value averaged as neutral gear n, obtain gear shift
Bar at least the 4th preset times enter the duty cycle signals of drive shift d position, the dutycycle benchmark averaged as drive shift d
Value.
Specifically, described first preset times are no less than 3 times;Described second preset times are no less than 3 times;Described 3rd is pre-
If number of times is no less than 3 times.
It should be noted that described shift bar by artificial in described parking position switch p, described reverse gear r, described neutral gear n and institute
State switching between drive shift d, the switching interval time between any two gear is no less than 5 seconds.
For example, operator (i.e. artificial) stirs gear level, from the beginning of p position, through at least 5 seconds, is allocated to r position, then warp
Spend at least 5 seconds, be allocated to n position, then through at least 5 seconds, be allocated to d position, then through at least 5 seconds, be allocated to n position, then through extremely
Few 5 seconds, it is allocated to r position, then was allocated to p position through at least 5 seconds, complete a p- > r- > n- > d- > n- > r- > p circulation.Work as gearshift
Bar enters the position of certain gear, needs through after a while (i.e. above-mentioned at least 5 seconds) to confirm the dutycycle of this position, do so
Purpose be in order to prevent gear level fluctuation mechanically cause mistake sampling.When gear level enters each gear positions
Number of times reaches three times, and three dutycycles of certain gear are averaged as the reference value of this gear.As p, r, n and d tetra-
Gear all each takes the meansigma methodss of respective three dutycycles, then obtain the dutycycle reference value of this four each gears of gear.
By the above as can be seen that the technical scheme of present invention offer is it is not necessary to return to producer by automatic transmission
Eol p-wire tested, just can obtain the dutycycle reference value of tetra- each gears of gear of prnd.
Step s102, controls described control unit for automatic shift to store described parking position switch p, described reverse gear r, institute respectively
State neutral gear n and the dutycycle reference value of described drive shift d;
Step s103, triggers described control unit for automatic shift and reads described parking position switch p, described reverse gear r, institute respectively
State neutral gear n and the dutycycle reference value of described drive shift d;
Step s104, triggers described control unit for automatic shift according to described parking position switch p, described reverse gear r, described sky
Shelves n and the dutycycle reference value of described drive shift each gear of d, calculate described parking position switch p, described reverse gear r, described sky respectively
Shelves n and described drive shift each gear of d duty cycle range;
Specifically, described control unit for automatic shift according to described parking position switch p, described reverse gear r, described neutral gear n and
The dutycycle reference value of described drive shift each gear of d, calculate respectively described parking position switch p, described reverse gear r, described neutral gear n and
The duty cycle range of described drive shift each gear of d, comprising:
It is equally divided into first default part between the dutycycle reference value and the dutycycle reference value of reverse gear r of parking position switch p
Number, according to the dutycycle higher limit of location position parking position switch p of hydraulic manual valve parking position switch p oil circuit closure, according to hydraulic manual
The dutycycle lower limit of location position reverse gear r that valve reverse gear r oil circuit is opened;Optionally, the described first default number is 6
Part.
It is equally divided into the second default number between the dutycycle reference value and the dutycycle reference value of neutral gear n of parking position switch r,
According to the dutycycle higher limit of location position reverse gear r of hydraulic manual valve reverse gear oil circuit closure, empty according to hydraulic manual valve
The dutycycle lower limit of the location position neutral gear n that shelves n oil circuit is opened;Optionally, the described second default number is 5 parts.
It is equally divided into the 3rd default number between the dutycycle reference value and the dutycycle reference value of drive shift d of neutral gear n,
According to the dutycycle higher limit of the location position neutral gear n of hydraulic manual valve neutral gear n oil circuit closure, according to hydraulic manual valve drive shift
The dutycycle lower limit of the location position drive shift d that d oil circuit is opened.Optionally, the described 3rd default number is 6 parts.
Understand via above-mentioned technical scheme, compared with prior art, the invention provides a kind of automatic transmission controls
Unit gear Learning Control Method and device.The technical scheme being provided using the present invention, controls described automatic transmission first
Control unit obtains the duty cycle signals that shift bar at least first preset times enter parking position switch p position, work of averaging respectively
For the dutycycle reference value of parking position switch p, obtain the dutycycle letter that shift bar at least second preset times enter reverse gear r position
Number, the dutycycle reference value averaged as reverse gear r, obtain shift bar at least the 3rd preset times and enter neutral gear n position
Duty cycle signals, the dutycycle reference value averaged as neutral gear n, obtain shift bar at least the 4th preset times enter before
Enter grade duty cycle signals for d position, the dutycycle reference value averaged as drive shift d;Then, control described fluid drive
Device control unit stores described parking position switch p, the dutycycle benchmark of described reverse gear r, described neutral gear n and described drive shift d respectively
Value;Then, trigger described control unit for automatic shift read respectively described parking position switch p, described reverse gear r, described neutral gear n and
The dutycycle reference value of described drive shift d;Finally, trigger described control unit for automatic shift according to described parking position switch p, described
The dutycycle reference value of reverse gear r, described neutral gear n and described drive shift each gear of d, calculates described parking position switch p, described respectively
Reverse gear r, described neutral gear n and described drive shift each gear of d duty cycle range.The technical scheme that the present invention provides, leads to
Cross control control unit for automatic shift to determine the dutycycle reference value of each gear of prnd, triggering automatic transmission controls single
Unit calculates the duty cycle range of each gear of prnd according to the dutycycle reference value of each gear of prnd.As can be seen that this
The technical scheme of bright offer it is no longer necessary to eol p-wire that automatic transmission is returned to factory just can determine prnd each
The dutycycle reference value of gear.Therefore, the technical scheme that the application present invention provides is it is not necessary to need to return life automatic transmission
The eol p-wire producing manufacturer just can determine the duty cycle range of each gear, and maintenance flow reduces, and is the car owner side of bringing
Just.
In order to illustrate the technical scheme that the present invention provides in further detail, the present invention provides another one specific embodiment.
Embodiment two
Refer to Fig. 2, Fig. 2 is another control unit for automatic shift gear self study provided in an embodiment of the present invention
The flow chart of control method.As shown in Fig. 2 the method includes:
Step s201, controls electricity on car load but misfires;
Step s202, obtains the water temperature of electromotor and the oil temperature of automatic transmission;
Step s203, when the water temperature of described electromotor and the oil temperature of described automatic transmission are below 60 degrees Celsius, control
Make the dutycycle reference value that described control unit for automatic shift calculates each gear of prnd;
Step s204, controls described control unit for automatic shift to store described parking position switch p, described reverse gear r, institute respectively
State neutral gear n and the dutycycle reference value of described drive shift d;
Step s205, triggers described control unit for automatic shift and reads described parking position switch p, described reverse gear r, institute respectively
State neutral gear n and the dutycycle benchmark of described drive shift d;
Step s206, obtains the dutycycle lower limit default value of parking position switch p and the dutycycle upper limit default value of drive shift d;
Specifically, the dutycycle lower limit of parking position switch p and the dutycycle higher limit of drive shift d all adopt default value.Optional
, the default value of the dutycycle lower limit of parking position switch p is 0, and the default value of the dutycycle higher limit of drive shift d is 100.
Step s207, triggers described control unit for automatic shift according to described parking position switch p, described reverse gear r, described sky
Shelves n and the dutycycle reference value of described drive shift each gear of d, and the dutycycle lower limit default value of described parking position switch p and institute
State the dutycycle upper limit default value of drive shift d, calculate respectively described parking position switch p, described reverse gear r, described neutral gear n and described before
Enter a grade duty cycle range for each gear of d.
In order to more comprehensively illustrate the technical scheme that the present invention provides, the present invention also provides a kind of automatic transmission to control
Unit gear Self-learning control device.
Refer to Fig. 3, Fig. 3 is a kind of control unit for automatic shift gear Self-learning control provided in an embodiment of the present invention
The structure chart of device.As shown in figure 3, this device includes:
First control module 301, for controlling described control unit for automatic shift to obtain shift bar at least first respectively
Preset times enter the duty cycle signals of parking position switch p position, the dutycycle reference value averaged as parking position switch p, and acquisition is changed
Lever at least second preset times enter the duty cycle signals of reverse gear r position, the dutycycle base averaged as reverse gear r
Quasi- value, obtains the duty cycle signals that shift bar at least the 3rd preset times enter neutral gear n position, averages as neutral gear n's
Dutycycle reference value, obtains the duty cycle signals that shift bar at least the 4th preset times enter drive shift d position, work of averaging
Dutycycle reference value for drive shift d;
Second control module 302, for controlling described control unit for automatic shift to store described parking position switch p, institute respectively
State the dutycycle reference value of reverse gear r, described neutral gear n and described drive shift d;
First trigger module 303, reads described parking position switch p, institute respectively for triggering described control unit for automatic shift
State the dutycycle reference value of reverse gear r, described neutral gear n and described drive shift d;
Second trigger module 304, for trigger described control unit for automatic shift according to described parking position switch p, described fall
Car stop r, described neutral gear n and the dutycycle reference value of described drive shift each gear of d, calculate respectively described parking position switch p, described fall
Car stop r, described neutral gear n and described drive shift each gear of d duty cycle range.
Further, control unit for automatic shift gear Self-learning control device provided in an embodiment of the present invention, also wraps
Include:
3rd control module, misfires for controlling electricity on car load.
Further, control unit for automatic shift gear Self-learning control device provided in an embodiment of the present invention, also wraps
Include:
First acquisition module, for obtaining the water temperature of electromotor and the oil temperature of automatic transmission;
3rd trigger module, Celsius for the oil temperature when the water temperature of described electromotor and described automatic transmission below 60
When spending, described first control module 301 of triggering executes the control function of this module.
Further, control unit for automatic shift gear Self-learning control device provided in an embodiment of the present invention, also wraps
Include:
Second acquisition module, the dutycycle upper limit of dutycycle lower limit default value and drive shift d for obtaining parking position switch p is write from memory
Recognize value.
Last in addition it is also necessary to explanation, herein, such as first and second or the like relational terms be used merely to by
One entity or operation are made a distinction with another entity or operation, and not necessarily require or imply these entities or operation
Between there is any this actual relation or order.And, term " inclusion ", "comprising" or its any other variant meaning
Covering comprising of nonexcludability, so that including a series of process of key elements, method, article or equipment not only include that
A little key elements, but also include other key elements being not expressly set out, or also include for this process, method, article or
The intrinsic key element of equipment.In the absence of more restrictions, the key element being limited by sentence "including a ...", does not arrange
Remove and also there is other identical element in the process including described key element, method, article or equipment.
In this specification, each embodiment is described by the way of going forward one by one, and what each embodiment stressed is and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.For device disclosed in embodiment
For, because it corresponds to the method disclosed in Example, so description is fairly simple, say referring to method part in place of correlation
Bright.
The step of the method in conjunction with the embodiments described herein description or algorithm can directly be held with hardware, processor
The software module of row, or the combination of the two is implementing.Software module can be placed in random access memory (ram), internal memory, read-only deposit
Reservoir (rom), electrically programmable rom, electrically erasable rom, depositor, hard disk, moveable magnetic disc, cd-rom or technology
In known any other form of storage medium in field.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses the present invention.
Multiple modifications to these embodiments will be apparent from for those skilled in the art, as defined herein
General Principle can be realized without departing from the spirit or scope of the present invention in other embodiments.Therefore, the present invention
It is not intended to be limited to the embodiments shown herein, and be to fit to and principles disclosed herein and features of novelty phase one
The scope the widest causing.
Claims (10)
1. a kind of control unit for automatic shift gear Learning Control Method is it is characterised in that include:
Control described control unit for automatic shift to obtain shift bar at least first preset times respectively and enter parking position switch p position
Duty cycle signals, the dutycycle reference value averaged as parking position switch p, obtain shift bar at least second preset times and enter
The duty cycle signals of car stop r position, the dutycycle reference value averaged as reverse gear r, obtain shift bar at least the 3rd pre-
If number of times enters the duty cycle signals of neutral gear n position, the dutycycle reference value averaged as neutral gear n, obtain shift bar extremely
Few 4th preset times enter the duty cycle signals of drive shift d position, the dutycycle reference value averaged as drive shift d;
Described control unit for automatic shift is controlled to store described parking position switch p, described reverse gear r, described neutral gear n and described respectively
The dutycycle reference value of drive shift d;
Trigger described control unit for automatic shift and read described parking position switch p, described reverse gear r, described neutral gear n and described respectively
The dutycycle reference value of drive shift d;
Trigger described control unit for automatic shift according to described parking position switch p, described reverse gear r, described neutral gear n and described advance
The dutycycle reference value of shelves each gear of d, calculates described parking position switch p, described reverse gear r, described neutral gear n and described advance respectively
The duty cycle range of shelves each gear of d.
2. control unit for automatic shift gear Learning Control Method according to claim 1 is it is characterised in that described
Described control unit for automatic shift is controlled to obtain the duty that shift bar at least first preset times enter parking position switch p position respectively
Ratio signal, the dutycycle reference value averaged as parking position switch p, obtain shift bar at least second preset times and enter reverse gear
The duty cycle signals of r position, the dutycycle reference value averaged as reverse gear r, obtain shift bar at least the 3rd default secondary
Number enters the duty cycle signals of neutral gear n positions, the dutycycle reference value averaged as neutral gear n, obtains shift bar at least the
The duty cycle signals of four preset times entrance drive shift d positions, the dutycycle reference value averaged as drive shift d, before
Also include:
Control electricity on car load but misfire.
3. control unit for automatic shift gear Learning Control Method according to claim 2 is it is characterised in that described
After controlling electricity on car load but misfiring, also include:
Obtain the water temperature of electromotor and the oil temperature of automatic transmission, when the water temperature of described electromotor and the oil of described automatic transmission
When temperature is below 60 degrees Celsius, triggering execution subsequent operation.
4. control unit for automatic shift gear Learning Control Method according to claim 1 is it is characterised in that described
First preset times are no less than 3 times.
5. control unit for automatic shift gear Learning Control Method according to claim 1 is it is characterised in that described
Second preset times are no less than 3 times.
6. control unit for automatic shift gear Learning Control Method according to claim 1 is it is characterised in that described
3rd preset times are no less than 3 times.
7. control unit for automatic shift gear Learning Control Method according to claim 1 is it is characterised in that described
Shift bar is switched between described parking position switch p, described reverse gear r, described neutral gear n and described drive shift d by artificial, any two
The switching interval time between gear is no less than 5 seconds.
8. control unit for automatic shift gear Learning Control Method according to claim 1 is it is characterised in that described
According to the dutycycle reference value of described parking position switch p, described reverse gear r, described neutral gear n and described drive shift each gear of d, difference
Calculate described parking position switch p, described reverse gear r, described neutral gear n and described drive shift each gear of d duty cycle range, bag
Include:
It is equally divided into the first default number between the dutycycle reference value and the dutycycle reference value of reverse gear r of parking position switch p, according to
According to the dutycycle higher limit of location position parking position switch p of hydraulic manual valve parking position switch p oil circuit closure, according to the reversing of hydraulic manual valve
The dutycycle lower limit of location position reverse gear r that shelves r oil circuit is opened;
It is equally divided into the second default number, foundation between the dutycycle reference value and the dutycycle reference value of neutral gear n of parking position switch r
The dutycycle higher limit of location position reverse gear r of hydraulic manual valve reverse gear oil circuit closure, according to hydraulic manual valve neutral gear n oil
The dutycycle lower limit of the location position neutral gear n that road is opened;
It is equally divided into the 3rd default number, foundation between the dutycycle reference value and the dutycycle reference value of drive shift d of neutral gear n
The dutycycle higher limit of the location position neutral gear n of hydraulic manual valve neutral gear n oil circuit closure, according to hydraulic manual valve drive shift d oil
The dutycycle lower limit of the location position drive shift d that road is opened.
9. control unit for automatic shift gear Learning Control Method according to claim 8 is it is characterised in that described
Trigger described control unit for automatic shift and read described parking position switch p, described reverse gear r, described neutral gear n and described advance respectively
After the dutycycle reference value of shelves d, also include:
Obtain the dutycycle lower limit default value of parking position switch p and the dutycycle upper limit default value of drive shift d.
10. a kind of control unit for automatic shift gear Self-learning control device is it is characterised in that include:
First control module, for controlling described control unit for automatic shift to obtain shift bar at least first preset times respectively
Enter the duty cycle signals of parking position switch p position, the dutycycle reference value averaged as parking position switch p, obtain shift bar at least
Second preset times enter the duty cycle signals of reverse gear r position, the dutycycle reference value averaged as reverse gear r, obtain
Take the duty cycle signals that lever at least the 3rd preset times enter neutral gear n position, the dutycycle base averaged as neutral gear n
Quasi- value, obtains the duty cycle signals that shift bar at least the 4th preset times enter drive shift d position, averages as drive shift
The dutycycle reference value of d;
Second control module, for controlling described control unit for automatic shift to store described parking position switch p, described reverse gear respectively
The dutycycle reference value of r, described neutral gear n and described drive shift d;
First trigger module, reads described parking position switch p, described reverse gear respectively for triggering described control unit for automatic shift
The dutycycle reference value of r, described neutral gear n and described drive shift d;
Second trigger module, for triggering described control unit for automatic shift according to described parking position switch p, described reverse gear r, institute
State neutral gear n and the dutycycle reference value of described drive shift each gear of d, calculate described parking position switch p, described reverse gear r, institute respectively
State neutral gear n and the duty cycle range of described drive shift each gear of d.
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