CN106224535B - The control method of wet-type dual-clutch gearbox - Google Patents

The control method of wet-type dual-clutch gearbox Download PDF

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Publication number
CN106224535B
CN106224535B CN201610705312.1A CN201610705312A CN106224535B CN 106224535 B CN106224535 B CN 106224535B CN 201610705312 A CN201610705312 A CN 201610705312A CN 106224535 B CN106224535 B CN 106224535B
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China
Prior art keywords
control method
wet
economic model
gearbox
clutch
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CN201610705312.1A
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CN106224535A (en
Inventor
王祺明
朱成
马培义
张友皇
徐瑞雪
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Anhui Jianghuai Automobile Group Corp
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Anhui Jianghuai Automobile Group Corp
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Classifications

    • 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
    • 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
    • F16H2061/0015—Transmission control for optimising fuel consumptions
    • 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
    • F16H2061/0227—Shift map selection, i.e. methods for controlling selection between different shift maps, e.g. to initiate switch to a map for up-hill driving

Abstract

The invention discloses a kind of control method of wet-type dual-clutch gearbox, wherein, including：Receive the opening signal of economy switch；Judge whether current gearbox state allows access into economic model；If it is, the first control signal is sent so that engine enters economic model to engine controller；By gearbox, currently gearshift figure is switched to economic gearshift figure.The control method of wet-type dual-clutch gearbox provided by the invention is after engine enters economic model, by gearbox, gearshift figure is switched to economic gearshift figure then, so that gearbox also enters economic model after engine enters economic model, and then gearbox is realized the cooperation of economic model with engine, further increase fuel economy.

Description

The control method of wet-type dual-clutch gearbox
Technical field
The present invention relates to automobile gearbox control technology, more particularly to a kind of controlling party of wet-type dual-clutch gearbox Method.
Background technology
Typical wet double clutch type automatic gearbox by two coaxial nested or parallel arrangement clutches, it is coaxial and Two input shafts of inside and outside nested arrangement, the output shaft of two parallel arrangements, the multiple synchromesh gears being arranged on output shaft, Multiple selector forks and a differential mechanism composition.The odd, even number gear input gear of speed changer is arranged on two input shafts, By the switching and the action of different synchronizers of two clutches, torque conversion and output are realized via different output shafts, it is passed Passing kinetic current is：Engine output torque-transmission input shaft-double clutch-transmission output shaft-wheel, in whole power In the transmittance process of stream, double clutch is combined, discharged under control of the control system.
Economic model is a kind of economic driving model, and in possessing the vehicle of the pattern, the control module on engine is entered After entering economic model, fuel economy can be obtained by sacrificing certain power performance.But fuel-economy of the prior art Property needs further to improve.
The content of the invention
It is of the prior art to solve it is an object of the invention to provide a kind of control method of wet-type dual-clutch gearbox Problem, improve the fuel economy of vehicle.
The invention provides a kind of control method of wet-type dual-clutch gearbox, wherein, including：
Receive the opening signal of economy switch；
Judge whether current gearbox state allows access into economic model；
If it is, the first control signal is sent so that engine enters economic model to engine controller；
By gearbox, currently gearshift figure is switched to economic gearshift figure.
The control method of wet-type dual-clutch gearbox as described above, these, it is preferred to, front gear box shape is worked as in judgement Whether state, which allows access into economic model, specifically includes：
Whether the clutch and oil piping system for judging gearbox are not present failure；
If it is, allow access into economic model.
The control method of wet-type dual-clutch gearbox as described above, these, it is preferred to, front gear box shape is worked as in judgement Whether state, which allows access into economic model, also includes：
Whether gear level is judged in the position of forward gear, and whether does not have gear shift operation；
If being, economic model is allowed access into.
The control method of wet-type dual-clutch gearbox as described above, these, it is preferred to, engine enters economic mould After formula, the control method also includes：The 3rd control signal is sent so that TCU enters economic model to TCU.
The control method of wet-type dual-clutch gearbox as described above, these, it is preferred to, front gear box shape is worked as in judgement Whether state is allowed access into after economic model, and the control method also includes：
If not, the second control signal is sent so that engine does not enter economic model to engine controller.
The control method of wet-type dual-clutch gearbox as described above, these, it is preferred to, first control signal Including the first flag bit.
The control method of wet-type dual-clutch gearbox as described above, these, it is preferred to, second control signal Including the second flag bit.
The control method of wet-type dual-clutch gearbox as described above, these, it is preferred to, receive beating for economy switch Before ON signal, the control method includes：
Start economy switch；
Hard signal is converted to CAN signal by engine controller.
The control method of wet-type dual-clutch gearbox as described above, these, it is preferred to, judge the clutch of gearbox Device and oil piping system then allow access into economic model and specifically included if there is no failure：
Detect working connection pressure-control valve, clutch pressure control valve, clutch cooling flow control valve and switch electromagnetism The working condition of valve；
If working condition is normal, economic model is allowed access into.
The control method of wet-type dual-clutch gearbox as described above, these, it is preferred to, judge gear level whether The position of forward gear, and whether no gear shift operation specifically includes：
Detect the working condition of gear pressure-control valve, gearshift flow control valve and block selecting control valve；
If the working condition of setting can normally be kept, gear level does not have gear shift operation in the position of forward gear.
The control method of wet-type dual-clutch gearbox provided by the invention is after engine enters economic model, by speed change Case gearshift figure is switched to economic gearshift figure, so that gearbox also enters economic model after engine enters economic model, enters And gearbox is realized the cooperation of economic model with engine, further increase fuel economy.
Further, TCU is entered back into after engine enters economic model, is avoided due to engine Rule of judgment Change, the problem of causing engine to pass in and out economic model repeatedly, and cause frequent switching gearshift figure, improves shift quality.
Brief description of the drawings
Fig. 1 is the control method flow chart of the first wet-type dual-clutch gearbox provided in an embodiment of the present invention；
Fig. 2 is the control method flow chart of second of wet-type dual-clutch gearbox provided in an embodiment of the present invention；
Fig. 3 is the control method flow chart of the third wet-type dual-clutch gearbox provided in an embodiment of the present invention；
Fig. 4 is the control method flow chart of the 4th kind of wet-type dual-clutch gearbox provided in an embodiment of the present invention.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached The embodiment of figure description is exemplary, is only used for explaining the present invention, and is not construed as limiting the claims.
Fig. 1 is a kind of control method flow chart of wet-type dual-clutch gearbox provided in an embodiment of the present invention, the present invention Embodiment provides a kind of control method of wet-type dual-clutch gearbox, wherein, comprise the following steps：
S300, the opening signal for receiving economy switch.
Gearbox control (TCU) receives the opening signal of economy switch, and the opening signal can be risen by driver The button of dynamic economy switch realizes that before the step, the control method can also include：
S100, start economy switch.
Hard signal is converted to CAN signal by S200, engine controller.
After step S300, the control method of wet-type dual-clutch gearbox provided in an embodiment of the present invention also include with Lower step：
S400, judge whether current gearbox state allows access into economic model.If it is, implementation steps S500.
S500, to engine controller send the first control signal so that engine enters economic model.
It should be noted that the first control signal can include the first flag bit, after engine receives the first flag bit, Enter economic model.
S600, to TCU send the 3rd control signal so that TCU enters economic model.
It should be noted that the 3rd control signal represents that engine comes into economic model.
S700, by gearbox, currently gearshift figure is switched to economic gearshift figure.
It is understood that economic gearshift figure can be stored in advance in corresponding storage device.
Preferably, if step S400 judged result is no, party's rule enters step S800.
S800, to engine controller send the second control signal so that engine does not enter economic model.
It should be noted that the second control signal can include the second flag bit, after engine receives the second flag bit, Stop entering economic model.
Fig. 2 be second of wet-type dual-clutch gearbox provided in an embodiment of the present invention control method flow chart, such as Fig. 2 It is shown：
Preferably, step S400 can be specifically included：
Whether S410, the clutch for judging gearbox and oil piping system are not present failure.
Specifically, can be by detecting working connection pressure-control valve, clutch pressure control valve, clutch cooling flow control The working condition of valve and switch electromagnetic valve processed, to judge whether the clutch of gearbox and oil piping system are not present failure, if Working condition is normal, then into step S440, if working state abnormal, into step S800.
S440, allow access into economic model.
Specifically, after step S600, the control method can also include：
Step S610, the time delay of setting is set.
Fig. 3 be the third wet-type dual-clutch gearbox provided in an embodiment of the present invention control method flow chart, such as Fig. 3 It is shown：
Preferably, can also include after the step s 410：
Step S420, whether gear level is judged in the position of forward gear, and whether does not have gear shift operation, if it is, entering Enter step S440, if it is not, then into step S800.
Specifically, can by detect gear pressure-control valve, gearshift flow control valve and block selecting control valve work shape State, to judge gear level whether in the position of forward gear, if it is possible to which the normal working condition for keeping setting, then gear level is preceding Enter the position of gear, and there is no gear shift operation.
Fig. 4 be the 4th kind of wet-type dual-clutch gearbox provided in an embodiment of the present invention control method flow chart, such as Fig. 4 It is shown：
Preferably, can also include after step S420：
Step S430, judge whether gearshift figure is normal, if it is, into step S440, if it is not, then into step S800。
The control method of wet-type dual-clutch gearbox provided in an embodiment of the present invention engine enter economic model after, Gearbox shifting figure is switched to economic gearshift figure, so that gearbox also enters economic mould after engine enters economic model Formula, and then gearbox is realized the cooperation of economic model with engine, further increase fuel economy.
Further, TCU is entered back into after engine enters economic model, is avoided due to engine Rule of judgment Change, the problem of causing engine to pass in and out economic model repeatedly, and cause frequent switching gearshift figure, improves shift quality.
Construction, feature and the action effect of the present invention, above institute is described in detail according to the embodiment shown in schema above Only presently preferred embodiments of the present invention is stated, but the present invention is not to limit practical range shown in drawing, it is every according to structure of the invention Want made change, or be revised as the equivalent embodiment of equivalent variations, when still without departing from specification and illustrating covered spirit, All should be within the scope of the present invention.

Claims (8)

  1. A kind of 1. control method of wet-type dual-clutch gearbox, it is characterised in that including：
    Receive the opening signal of economy switch；
    Judge whether current gearbox state allows access into economic model；
    If it is, the first control signal is sent so that engine enters economic model to engine controller；
    By gearbox, currently gearshift figure is switched to economic gearshift figure；
    Judge whether current gearbox state allows access into economic model and specifically include：
    Whether the clutch and oil piping system for judging gearbox are not present failure；
    If it is, detection working connection pressure-control valve, clutch pressure control valve, clutch cooling flow control valve and switch The working condition of magnetic valve；
    If working condition is normal, economic model is allowed access into.
  2. 2. the control method of wet-type dual-clutch gearbox according to claim 1, it is characterised in that judge current speed change Whether box-like state, which allows access into economic model, also includes：
    Whether gear level is judged in the position of forward gear, and whether does not have gear shift operation；
    If being, economic model is allowed access into.
  3. 3. the control method of wet-type dual-clutch gearbox according to claim 1 or 2, it is characterised in that engine enters After entering economic model, the control method also includes：The 3rd control signal is sent so that TCU enters economic model to TCU.
  4. 4. the control method of wet-type dual-clutch gearbox according to claim 1 or 2, it is characterised in that judge current Whether gearbox state is allowed access into after economic model, and the control method also includes：
    If not, the second control signal is sent so that engine does not enter economic model to engine controller.
  5. 5. the control method of wet-type dual-clutch gearbox according to claim 1 or 2, it is characterised in that described first Control signal includes the first flag bit.
  6. 6. the control method of wet-type dual-clutch gearbox according to claim 4, it is characterised in that second control Signal includes the second flag bit.
  7. 7. the control method of wet-type dual-clutch gearbox according to claim 1 or 2, it is characterised in that receive economic Before the opening signal of switch, the control method includes：
    Start economy switch；
    Hard signal is converted to CAN signal by engine controller.
  8. 8. the control method of wet-type dual-clutch gearbox according to claim 2, it is characterised in that judge that gear level is It is no in the position of forward gear, and whether no gear shift operation specifically includes：
    Detect the working condition of gear pressure-control valve, gearshift flow control valve and block selecting control valve；
    If the working condition of setting can normally be kept, gear level does not have gear shift operation in the position of forward gear.
CN201610705312.1A 2016-08-22 2016-08-22 The control method of wet-type dual-clutch gearbox Active CN106224535B (en)

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Publication number Priority date Publication date Assignee Title
CN108825773B (en) * 2018-05-18 2019-07-05 吉林大学 A kind of metal band type stepless speed variator target gear with odd-side structure and belt wheel goals ratio decision-making technique
CN110701213B (en) * 2019-10-09 2020-12-08 安徽江淮汽车集团股份有限公司 Clutch fault diagnosis method and device, electronic equipment and storage medium
CN113085864B (en) * 2021-03-15 2022-12-13 江铃汽车股份有限公司 Driving mode switching control method and system

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Publication number Priority date Publication date Assignee Title
CN1299751A (en) * 1999-12-10 2001-06-20 现代自动车株式会社 Shift controlling method for automatic gear shifting box
CN1774587A (en) * 2004-01-30 2006-05-17 丰田自动车株式会社 Shifting apparatus and shifting control method thereof
CN105090481A (en) * 2015-07-22 2015-11-25 北汽福田汽车股份有限公司 Method and device for determining gear of transmission

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Publication number Priority date Publication date Assignee Title
JP2014227150A (en) * 2013-05-27 2014-12-08 トヨタ自動車株式会社 Drive unit for hybrid vehicle
KR101646127B1 (en) * 2014-11-28 2016-08-05 현대자동차 주식회사 Apparatus and method of controlling shift for vehicle

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1299751A (en) * 1999-12-10 2001-06-20 现代自动车株式会社 Shift controlling method for automatic gear shifting box
CN1774587A (en) * 2004-01-30 2006-05-17 丰田自动车株式会社 Shifting apparatus and shifting control method thereof
CN105090481A (en) * 2015-07-22 2015-11-25 北汽福田汽车股份有限公司 Method and device for determining gear of transmission

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