CN104455375A - 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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- CN104455375A CN104455375A CN201410707790.7A CN201410707790A CN104455375A CN 104455375 A CN104455375 A CN 104455375A CN 201410707790 A CN201410707790 A CN 201410707790A CN 104455375 A CN104455375 A CN 104455375A
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- gear
- reference value
- dutycycle
- park
- forward gears
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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
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 technique field, particularly relate to control unit for automatic shift gear Learning Control Method and device.
Background technique
Automatic transmission is a kind of equipment that automatically can carry out gear shift according to engine speed occurred relative to manual transmission.The appearance of automatic transmission, alleviates tension during driver automobile.Due in driving procedure without the need to gear shift, driver can observe the situation of vehicle periphery absorbedly, and owing to adopting accurate electric controller, automatic transmission can not only adapt to various driving conditions, and can adapt to different driving styles.This means that the gear shift moment depends on drive manner, engine load, the speed of a motor vehicle and engine speed, thus, take full advantage of the useful horsepower of motor.
The control gear of automatic transmission, is called TCU (Transmission Control Unit, automatic transmission case control unit).The gear-change operation of automatic transmission is controlled by TCU, and therefore, TCU seems particularly important about the control accuracy of gear shift.In current technology, TCU in the duty cycle range of which gear, determines the position of shift level by the duty cycle signals determining Hall-type gear position sensor and read.The CLV ceiling limit value of each gear duty cycle range and lower limit are the measured values based on EOL (End of Line Testing Tool, roll off the production line testing instrument) holding wire, and TCU calculates the duty cycle range of certain gear concrete according to this measured value.
During the sensor failure of automatic transmission, need the sensor more renewed.In current technology, the automatic transmission changed after new sensor needs the EOL holding wire returning production firm to retest the dutycycle of each gear, and then determines the duty cycle range of each gear.The bothersome effort of this process of depot repair, makes troubles to a lot of car owner.
Summary of the invention
In view of this, the invention provides a kind of control unit for automatic shift gear Learning Control Method and device, in order to the problem avoiding the automatic transmission after changing new sensor in prior art to need depot repair, therefore, it is possible to bring convenience for car owner.
For achieving the above object, the invention provides following technological scheme:
A kind of control unit for automatic shift gear Learning Control Method, comprising:
Control described control unit for automatic shift and obtain the duty cycle signals that shift level at least the first preset times enters park P position respectively, average as the dutycycle reference value of park P, obtain the duty cycle signals that shift level at least the second preset times enters reverse gear R position, average as the dutycycle reference value of reverse gear R, acquisition shift level at least the 3rd preset times enters the duty cycle signals of neutral gear N position, average as the dutycycle reference value of neutral gear N, acquisition shift level at least the 4th preset times enters the duty cycle signals of forward gears D position, average as the dutycycle reference value of forward gears D,
Control the dutycycle reference value that described control unit for automatic shift stores described park P, described reverse gear R, described neutral gear N and described forward gears D respectively;
Trigger the dutycycle reference value that described control unit for automatic shift reads described park P, described reverse gear R, described neutral gear N and described forward gears D respectively;
Trigger the dutycycle reference value of described control unit for automatic shift according to described park P, described reverse gear R, described neutral gear N and each gear of described forward gears D, calculate respectively described park P, described reverse gear R, described neutral gear N and each gear of described forward gears D duty cycle range.
Preferably, the described control unit for automatic shift of described control obtains the duty cycle signals that shift level at least the first preset times enters park P position respectively, average as the dutycycle reference value of park P, obtain the duty cycle signals that shift level at least the second preset times enters reverse gear R position, average as the dutycycle reference value of reverse gear R, acquisition shift level at least the 3rd preset times enters the duty cycle signals of neutral gear N position, average as the dutycycle reference value of neutral gear N, acquisition shift level at least the 4th preset times enters the duty cycle signals of forward gears D position, average as the dutycycle reference value of forward gears D, also comprise before:
Control car load power on but misfire.
Preferably, described control car load powers on but after misfiring, also comprises:
Obtain the water temperature of motor and the oil temperature of automatic transmission, when the water temperature of described motor and the oil temperature of described automatic transmission are all lower than 60 degrees Celsius, trigger and perform subsequent operation.
Preferably, described first preset times is no less than 3 times.
Preferably, described second preset times is no less than 3 times.
Preferably, described 3rd preset times is no less than 3 times.
Preferably, described shift level is by artificial at described park P, described reverse gear R, switch between described neutral gear N and described forward gears D, and the switching interval time between any two gears is no less than 5 seconds.
Preferably, the described dutycycle reference value according to described park P, described reverse gear R, described neutral gear N and each gear of described forward gears D, calculate the duty cycle range of described park P, described reverse gear R, described neutral gear N and each gear of described forward gears D respectively, comprising:
Between the dutycycle reference value and the dutycycle reference value of reverse gear R of park P, be equally divided into first preset number, the dutycycle CLV ceiling limit value of the location position park P closed according to hydraulic manual valve park P oil circuit, the dutycycle lower limit of the location position reverse gear R opened according to hydraulic manual valve reverse gear R oil circuit;
Between the dutycycle reference value and the dutycycle reference value of neutral gear N of park R, be equally divided into second preset number, the dutycycle CLV ceiling limit value of the location position reverse gear R closed according to hydraulic manual valve reverse gear oil circuit, the dutycycle lower limit of the location position neutral gear N opened according to hydraulic manual valve neutral gear N oil circuit;
Between the dutycycle reference value and the dutycycle reference value of forward gears D of neutral gear N, be equally divided into the 3rd preset number, the dutycycle CLV ceiling limit value of the location position neutral gear N closed according to hydraulic manual valve neutral gear N oil circuit, the dutycycle lower limit of the location position forward gears D opened according to hydraulic manual valve forward gears D oil circuit.
Preferably, the described control unit for automatic shift of described triggering also comprises after reading the dutycycle reference value of described park P, described reverse gear R, described neutral gear N and described forward gears D respectively:
Obtain the dutycycle lower limit default value of park P and the dutycycle upper limit default value of forward gears D.
A kind of control unit for automatic shift gear Self-learning control device, comprising:
First control module, the duty cycle signals that shift level at least the first preset times enters park P position is obtained respectively for controlling described control unit for automatic shift, average as the dutycycle reference value of park P, obtain the duty cycle signals that shift level at least the second preset times enters reverse gear R position, average as the dutycycle reference value of reverse gear R, acquisition shift level at least the 3rd preset times enters the duty cycle signals of neutral gear N position, average as the dutycycle reference value of neutral gear N, acquisition shift level at least the 4th preset times enters the duty cycle signals of forward gears D position, average as the dutycycle reference value of forward gears D,
Second control module, stores the dutycycle reference value of described park P, described reverse gear R, described neutral gear N and described forward gears D respectively for controlling described control unit for automatic shift;
First trigger module, reads the dutycycle reference value of described park P, described reverse gear R, described neutral gear N and described forward gears D respectively for triggering described control unit for automatic shift;
Second trigger module, for triggering the dutycycle reference value of described control unit for automatic shift according to described park P, described reverse gear R, described neutral gear N and each gear of described forward gears D, calculate the duty cycle range of described park P, described reverse gear R, described neutral gear N and each gear of described forward gears D respectively.
Known via above-mentioned technological scheme, compared with prior art, the invention provides a kind of control unit for automatic shift gear Learning Control Method and device.Adopt technological scheme provided by the invention, first control described control unit for automatic shift and obtain the duty cycle signals that shift level at least the first preset times enters park P position respectively, average as the dutycycle reference value of park P, obtain the duty cycle signals that shift level at least the second preset times enters reverse gear R position, average as the dutycycle reference value of reverse gear R, acquisition shift level at least the 3rd preset times enters the duty cycle signals of neutral gear N position, average as the dutycycle reference value of neutral gear N, acquisition shift level at least the 4th preset times enters the duty cycle signals of forward gears D position, average as the dutycycle reference value of forward gears D, then, the dutycycle reference value that described control unit for automatic shift stores described park P, described reverse gear R, described neutral gear N and described forward gears D is respectively controlled, then, the dutycycle reference value that described control unit for automatic shift reads described park P, described reverse gear R, described neutral gear N and described forward gears D is respectively triggered, finally, trigger the dutycycle reference value of described control unit for automatic shift according to described park P, described reverse gear R, described neutral gear N and each gear of described forward gears D, calculate the duty cycle range of described park P, described reverse gear R, described neutral gear N and each gear of described forward gears D respectively.Technological scheme provided by the invention, determining the dutycycle reference value of each gear of PRND by controlling control unit for automatic shift, triggering control unit for automatic shift calculates each gear of PRND duty cycle range according to the dutycycle reference value of each gear of PRND.Can find out, technological scheme provided by the invention, no longer need EOL holding wire automatic transmission being turned back to factory just can determine the dutycycle reference value of each gear of PRND.Therefore, apply technological scheme provided by the invention, do not need the EOL holding wire needing automatic transmission to return production firm just can determine the duty cycle range of each gear, maintenance flow reduces, for car owner brings conveniently.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments of the invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the accompanying drawing provided.
The flow chart of a kind of control unit for automatic shift gear Learning Control Method that Fig. 1 provides for the embodiment of the present invention;
The flow chart of another control unit for automatic shift gear Learning Control Method that Fig. 2 provides for the embodiment of the present invention;
The structural drawing of a kind of control unit for automatic shift gear Self-learning control device that Fig. 3 provides for the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technological scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
For enabling above-mentioned purpose of the present invention, feature and advantage become apparent more, and below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
Embodiment one
Refer to Fig. 1, the flow chart of a kind of control unit for automatic shift gear Learning Control Method that Fig. 1 provides for the embodiment of the present invention.As shown in Figure 1, the method comprises:
Step S101, controls the dutycycle reference value that described control unit for automatic shift calculates each gear of PRND;
Concrete, each gear of automatic transmission PRND is: P (Parking, park), R (Reverse, reverse gear), N (Neutral, neutral gear), D (Driving, forward gears).
Concrete, described step S101 comprises:
Control described control unit for automatic shift and obtain the duty cycle signals that shift level at least the first preset times enters park P position respectively, average as the dutycycle reference value of park P, obtain the duty cycle signals that shift level at least the second preset times enters reverse gear R position, average as the dutycycle reference value of reverse gear R, acquisition shift level at least the 3rd preset times enters the duty cycle signals of neutral gear N position, average as the dutycycle reference value of neutral gear N, acquisition shift level at least the 4th preset times enters the duty cycle signals of forward gears D position, average as the dutycycle reference value of forward gears D.
Concrete, described first preset times is no less than 3 times; Described second preset times is no less than 3 times; Described 3rd preset times is no less than 3 times.
It should be noted that, described shift level is by artificial at described park P, described reverse gear R, switch between described neutral gear N and described forward gears D, and the switching interval time between any two gears is no less than 5 seconds.
Such as, operator (namely artificial) stirs gear level, from P position, through at least 5 seconds, be allocated to R position, again through at least 5 seconds, be allocated to N position, then through at least 5 seconds, be allocated to D position, again through at least 5 seconds, be allocated to N position, then through at least 5 seconds, be allocated to R position, be allocated to P position through at least 5 seconds again, complete a P->R->N->D-Gre atT.GreaT.GTN->R->P and circulate.When gear level enters the position of certain gear, need through after a while (namely above-mentioned at least 5 seconds) to confirm the dutycycle of this position, the object done like this is the sampling in order to prevent gear level fluctuation mechanically from making the mistake.The number of times entering each gear positions when gear level reaches three times, averages three of certain gear dutycycles as the reference value of this gear.When P, R, N and D tetra-gears take the mean value of respective three dutycycles all separately, then obtain the dutycycle reference value of these four each gears of gear.
As can be seen from foregoing, technological scheme provided by the invention, does not need EOL holding wire automatic transmission being turned back to producer to test, just can obtain the dutycycle reference value of PRND tetra-each gears of gear.
Step S102, controls the dutycycle reference value that described control unit for automatic shift stores described park P, described reverse gear R, described neutral gear N and described forward gears D respectively;
Step S103, triggers the dutycycle reference value that described control unit for automatic shift reads described park P, described reverse gear R, described neutral gear N and described forward gears D respectively;
Step S104, trigger the dutycycle reference value of described control unit for automatic shift according to described park P, described reverse gear R, described neutral gear N and each gear of described forward gears D, calculate respectively described park P, described reverse gear R, described neutral gear N and each gear of described forward gears D duty cycle range;
Concrete, described control unit for automatic shift is according to the dutycycle reference value of described park P, described reverse gear R, described neutral gear N and each gear of described forward gears D, calculate the duty cycle range of described park P, described reverse gear R, described neutral gear N and each gear of described forward gears D respectively, comprising:
Between the dutycycle reference value and the dutycycle reference value of reverse gear R of park P, be equally divided into first preset number, the dutycycle CLV ceiling limit value of the location position park P closed according to hydraulic manual valve park P oil circuit, the dutycycle lower limit of the location position reverse gear R opened according to hydraulic manual valve reverse gear R oil circuit; Optionally, the described first default number is 6 parts.
Between the dutycycle reference value and the dutycycle reference value of neutral gear N of park R, be equally divided into second preset number, the dutycycle CLV ceiling limit value of the location position reverse gear R closed according to hydraulic manual valve reverse gear oil circuit, the dutycycle lower limit of the location position neutral gear N opened according to hydraulic manual valve neutral gear N oil circuit; Optionally, the described second default number is 5 parts.
Between the dutycycle reference value and the dutycycle reference value of forward gears D of neutral gear N, be equally divided into the 3rd preset number, the dutycycle CLV ceiling limit value of the location position neutral gear N closed according to hydraulic manual valve neutral gear N oil circuit, the dutycycle lower limit of the location position forward gears D opened according to hydraulic manual valve forward gears D oil circuit.Optionally, the described 3rd default number is 6 parts.
Known via above-mentioned technological scheme, compared with prior art, the invention provides a kind of control unit for automatic shift gear Learning Control Method and device.Adopt technological scheme provided by the invention, first control described control unit for automatic shift and obtain the duty cycle signals that shift level at least the first preset times enters park P position respectively, average as the dutycycle reference value of park P, obtain the duty cycle signals that shift level at least the second preset times enters reverse gear R position, average as the dutycycle reference value of reverse gear R, acquisition shift level at least the 3rd preset times enters the duty cycle signals of neutral gear N position, average as the dutycycle reference value of neutral gear N, acquisition shift level at least the 4th preset times enters the duty cycle signals of forward gears D position, average as the dutycycle reference value of forward gears D, then, the dutycycle reference value that described control unit for automatic shift stores described park P, described reverse gear R, described neutral gear N and described forward gears D is respectively controlled, then, the dutycycle reference value that described control unit for automatic shift reads described park P, described reverse gear R, described neutral gear N and described forward gears D is respectively triggered, finally, trigger the dutycycle reference value of described control unit for automatic shift according to described park P, described reverse gear R, described neutral gear N and each gear of described forward gears D, calculate respectively described park P, described reverse gear R, described neutral gear N and each gear of described forward gears D duty cycle range.Technological scheme provided by the invention, determining the dutycycle reference value of each gear of PRND by controlling control unit for automatic shift, triggering control unit for automatic shift calculates each gear of PRND duty cycle range according to the dutycycle reference value of each gear of PRND.Can find out, technological scheme provided by the invention, no longer need EOL holding wire automatic transmission being turned back to factory just can determine the dutycycle reference value of each gear of PRND.Therefore, apply technological scheme provided by the invention, do not need the EOL holding wire needing automatic transmission to return production firm just can determine the duty cycle range of each gear, maintenance flow reduces, for car owner brings conveniently.
In order to set forth technological scheme provided by the invention in further detail, the invention provides another one specific embodiment.
Embodiment two
Refer to Fig. 2, the flow chart of another control unit for automatic shift gear Learning Control Method that Fig. 2 provides for the embodiment of the present invention.As shown in Figure 2, the method comprises:
Step S201, controls car load and powers on but misfire;
Step S202, obtains the water temperature of motor and the oil temperature of automatic transmission;
Step S203, when the water temperature of described motor and the oil temperature of described automatic transmission are all lower than 60 degrees Celsius, controls the dutycycle reference value that described control unit for automatic shift calculates each gear of PRND;
Step S204, controls the dutycycle reference value that described control unit for automatic shift stores described park P, described reverse gear R, described neutral gear N and described forward gears D respectively;
Step S205, triggers the dutycycle benchmark that described control unit for automatic shift reads described park P, described reverse gear R, described neutral gear N and described forward gears D respectively;
Step S206, obtains the dutycycle lower limit default value of park P and the dutycycle upper limit default value of forward gears D;
Concrete, the dutycycle lower limit of park P and the dutycycle CLV ceiling limit value of forward gears D all adopt default value.Optionally, the default value of the dutycycle lower limit of park P is 0, and the default value of the dutycycle CLV ceiling limit value of forward gears D is 100.
Step S207, trigger the dutycycle reference value of described control unit for automatic shift according to described park P, described reverse gear R, described neutral gear N and each gear of described forward gears D, and the dutycycle upper limit default value of the dutycycle lower limit default value of described park P and described forward gears D, calculate the duty cycle range of described park P, described reverse gear R, described neutral gear N and each gear of described forward gears D respectively.
In order to more comprehensively set forth technological scheme provided by the invention, the present invention also provides a kind of control unit for automatic shift gear Self-learning control device.
Refer to Fig. 3, the structural drawing of a kind of control unit for automatic shift gear Self-learning control device that Fig. 3 provides for the embodiment of the present invention.As shown in Figure 3, this device comprises:
First control module 301, the duty cycle signals that shift level at least the first preset times enters park P position is obtained respectively for controlling described control unit for automatic shift, average as the dutycycle reference value of park P, obtain the duty cycle signals that shift level at least the second preset times enters reverse gear R position, average as the dutycycle reference value of reverse gear R, acquisition shift level at least the 3rd preset times enters the duty cycle signals of neutral gear N position, average as the dutycycle reference value of neutral gear N, acquisition shift level at least the 4th preset times enters the duty cycle signals of forward gears D position, average as the dutycycle reference value of forward gears D,
Second control module 302, stores the dutycycle reference value of described park P, described reverse gear R, described neutral gear N and described forward gears D respectively for controlling described control unit for automatic shift;
First trigger module 303, reads the dutycycle reference value of described park P, described reverse gear R, described neutral gear N and described forward gears D respectively for triggering described control unit for automatic shift;
Second trigger module 304, for triggering the dutycycle reference value of described control unit for automatic shift according to described park P, described reverse gear R, described neutral gear N and each gear of described forward gears D, calculate respectively described park P, described reverse gear R, described neutral gear N and each gear of described forward gears D duty cycle range.
Further, the control unit for automatic shift gear Self-learning control device that the embodiment of the present invention provides, also comprises:
3rd control module, powers on for controlling car load but misfires.
Further, the control unit for automatic shift gear Self-learning control device that the embodiment of the present invention provides, also comprises:
First acquisition module, for the oil temperature of the water temperature and automatic transmission that obtain motor;
3rd trigger module, for when the water temperature of described motor and the oil temperature of described automatic transmission are all lower than 60 degrees Celsius, triggers the controlling functions that described first control module 301 performs this module.
Further, the control unit for automatic shift gear Self-learning control device that the embodiment of the present invention provides, also comprises:
Second acquisition module, for the dutycycle upper limit default value of the dutycycle lower limit default value and forward gears D that obtain park P.
Finally, also it should be noted that, in this article, the such as relational terms of first and second grades and so on is only used for an entity or operation to separate with another entity or control panel, and not necessarily requires or imply the relation that there is any this reality between these entities or operation or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or equipment and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or equipment.When not more restrictions, the key element limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment comprising described key element and also there is other identical element.
In this specification, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar portion mutually see.For device disclosed in embodiment, because it corresponds to the method disclosed in Example, so description is fairly simple, relevant part illustrates see method part.
The software module that the method described in conjunction with embodiment disclosed herein or the step of algorithm can directly use hardware, processor to perform, or the combination of the two is implemented.Software module can be placed in the storage medium of other form any known in random access memory (RAM), internal memory, ROM (read-only memory) (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or technical field.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. a control unit for automatic shift gear Learning Control Method, is characterized in that, comprising:
Control described control unit for automatic shift and obtain the duty cycle signals that shift level at least the first preset times enters park P position respectively, average as the dutycycle reference value of park P, obtain the duty cycle signals that shift level at least the second preset times enters reverse gear R position, average as the dutycycle reference value of reverse gear R, acquisition shift level at least the 3rd preset times enters the duty cycle signals of neutral gear N position, average as the dutycycle reference value of neutral gear N, acquisition shift level at least the 4th preset times enters the duty cycle signals of forward gears D position, average as the dutycycle reference value of forward gears D,
Control the dutycycle reference value that described control unit for automatic shift stores described park P, described reverse gear R, described neutral gear N and described forward gears D respectively;
Trigger the dutycycle reference value that described control unit for automatic shift reads described park P, described reverse gear R, described neutral gear N and described forward gears D respectively;
Trigger the dutycycle reference value of described control unit for automatic shift according to described park P, described reverse gear R, described neutral gear N and each gear of described forward gears D, calculate the duty cycle range of described park P, described reverse gear R, described neutral gear N and each gear of described forward gears D respectively.
2. method according to claim 1, it is characterized in that, the described control unit for automatic shift of described control obtains the duty cycle signals that shift level at least the first preset times enters park P position respectively, average as the dutycycle reference value of park P, obtain the duty cycle signals that shift level at least the second preset times enters reverse gear R position, average as the dutycycle reference value of reverse gear R, acquisition shift level at least the 3rd preset times enters the duty cycle signals of neutral gear N position, average as the dutycycle reference value of neutral gear N, acquisition shift level at least the 4th preset times enters the duty cycle signals of forward gears D position, average as the dutycycle reference value of forward gears D, also comprise before:
Control car load power on but misfire.
3. method according to claim 2, is characterized in that, described control car load powers on but after misfiring, also comprises:
Obtain the water temperature of motor and the oil temperature of automatic transmission, when the water temperature of described motor and the oil temperature of described automatic transmission are all lower than 60 degrees Celsius, trigger and perform subsequent operation.
4. method according to claim 1, is characterized in that, described first preset times is no less than 3 times.
5. method according to claim 1, is characterized in that, described second preset times is no less than 3 times.
6. method according to claim 1, is characterized in that, described 3rd preset times is no less than 3 times.
7. method according to claim 1, is characterized in that, described shift level is by artificial at described park P, described reverse gear R, switch between described neutral gear N and described forward gears D, and the switching interval time between any two gears is no less than 5 seconds.
8. method according to claim 1, it is characterized in that, the described dutycycle reference value according to described park P, described reverse gear R, described neutral gear N and each gear of described forward gears D, calculate respectively described park P, described reverse gear R, described neutral gear N and each gear of described forward gears D duty cycle range, comprising:
Between the dutycycle reference value and the dutycycle reference value of reverse gear R of park P, be equally divided into first preset number, the dutycycle CLV ceiling limit value of the location position park P closed according to hydraulic manual valve park P oil circuit, the dutycycle lower limit of the location position reverse gear R opened according to hydraulic manual valve reverse gear R oil circuit;
Between the dutycycle reference value and the dutycycle reference value of neutral gear N of park R, be equally divided into second preset number, the dutycycle CLV ceiling limit value of the location position reverse gear R closed according to hydraulic manual valve reverse gear oil circuit, the dutycycle lower limit of the location position neutral gear N opened according to hydraulic manual valve neutral gear N oil circuit;
Between the dutycycle reference value and the dutycycle reference value of forward gears D of neutral gear N, be equally divided into the 3rd preset number, the dutycycle CLV ceiling limit value of the location position neutral gear N closed according to hydraulic manual valve neutral gear N oil circuit, the dutycycle lower limit of the location position forward gears D opened according to hydraulic manual valve forward gears D oil circuit.
9. method according to claim 8, is characterized in that, the described control unit for automatic shift of described triggering also comprises after reading the dutycycle reference value of described park P, described reverse gear R, described neutral gear N and described forward gears D respectively:
Obtain the dutycycle lower limit default value of park P and the dutycycle upper limit default value of forward gears D.
10. a control unit for automatic shift gear Self-learning control device, is characterized in that, comprising:
First control module, the duty cycle signals that shift level at least the first preset times enters park P position is obtained respectively for controlling described control unit for automatic shift, average as the dutycycle reference value of park P, obtain the duty cycle signals that shift level at least the second preset times enters reverse gear R position, average as the dutycycle reference value of reverse gear R, acquisition shift level at least the 3rd preset times enters the duty cycle signals of neutral gear N position, average as the dutycycle reference value of neutral gear N, acquisition shift level at least the 4th preset times enters the duty cycle signals of forward gears D position, average as the dutycycle reference value of forward gears D,
Second control module, stores the dutycycle reference value of described park P, described reverse gear R, described neutral gear N and described forward gears D respectively for controlling described control unit for automatic shift;
First trigger module, reads the dutycycle reference value of described park P, described reverse gear R, described neutral gear N and described forward gears D respectively for triggering described control unit for automatic shift;
Second trigger module, for triggering the dutycycle reference value of described control unit for automatic shift according to described park P, described reverse gear R, described neutral gear N and each gear of described forward gears D, calculate the duty cycle range of described park P, described reverse gear R, described neutral gear N and each gear of described forward gears D respectively.
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| CN108869720A (en) * | 2018-07-02 | 2018-11-23 | 盛瑞传动股份有限公司 | The method and automatic gear-box of automatic gear-box low temperature self study |
| CN109372986A (en) * | 2018-08-17 | 2019-02-22 | 盛瑞传动股份有限公司 | P file location judgment method and device |
| CN111853223A (en) * | 2019-04-30 | 2020-10-30 | 广州汽车集团股份有限公司 | Wire-controlled gear-shifting self-adaptive learning method and system thereof |
| CN111853223B (en) * | 2019-04-30 | 2021-12-07 | 广州汽车集团股份有限公司 | Wire-controlled gear-shifting self-adaptive learning method and system thereof |
| WO2022095445A1 (en) * | 2020-11-03 | 2022-05-12 | 精进电动科技股份有限公司 | Electronic parking gear position self-learning method and implementation method |
| CN112483644A (en) * | 2020-11-25 | 2021-03-12 | 上汽通用五菱汽车股份有限公司 | Self-learning method of electronic gear shifter |
| CN113586710A (en) * | 2021-09-29 | 2021-11-02 | 潍柴动力股份有限公司 | Vehicle gear shifting control method and device |
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