CN103982646A - Method and system for controlling active limp home returning mode entering of automatic gearbox - Google Patents
Method and system for controlling active limp home returning mode entering of automatic gearbox Download PDFInfo
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- CN103982646A CN103982646A CN201410242187.6A CN201410242187A CN103982646A CN 103982646 A CN103982646 A CN 103982646A CN 201410242187 A CN201410242187 A CN 201410242187A CN 103982646 A CN103982646 A CN 103982646A
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- Prior art keywords
- limp
- automatic transmission
- transmission case
- home
- home mode
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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
- F16H61/12—Detecting malfunction or potential malfunction, e.g. fail safe; Circumventing or fixing failures
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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
- F16H61/12—Detecting malfunction or potential malfunction, e.g. fail safe; Circumventing or fixing failures
- F16H2061/1208—Detecting malfunction or potential malfunction, e.g. fail safe; Circumventing or fixing failures with diagnostic check cycles; Monitoring of failures
- F16H2061/1212—Plausibility checks; Counting means for repeated failures
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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
- F16H61/12—Detecting malfunction or potential malfunction, e.g. fail safe; Circumventing or fixing failures
- F16H2061/1224—Adapting to failures or work around with other constraints, e.g. circumvention by avoiding use of failed parts
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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
- F16H61/12—Detecting malfunction or potential malfunction, e.g. fail safe; Circumventing or fixing failures
- F16H2061/1232—Bringing the control into a predefined state, e.g. giving priority to particular actuators or gear ratios
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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
- F16H61/12—Detecting malfunction or potential malfunction, e.g. fail safe; Circumventing or fixing failures
- F16H2061/124—Limiting the input power, torque or speed
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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 method and system for controlling active limp home returning mode entering of an automatic gearbox. The method comprises the step of obtaining a fault response value of the active limp home returning mode entering of the automatic gearbox, the step of judging whether the fault response value is equal to different triggering values corresponding to entering of different limp home returning modes or not and the step of controlling the automatic gearbox to enter the limp home returning mode corresponding to the triggering value when the fault response value is equal to the triggering value of one mode in different limp home returning modes. By means of the method and system for controlling active limp home returning mode entering of the automatic gearbox, the automatic gearbox can be automatically controlled to carry out detailed distinguishing on the limp home returning modes according to the fault severity degrees, and therefore the automatic gearbox can be better protected.
Description
Technical field
The present invention relates to automatic transmission case fault treatment technical field, relate in particular to controlling method and system that a kind of automatic transmission case initiatively enters limp-home mode.
Background technique
Automatic transmission case is a kind of equipment that can automatically shift gears according to engine speed occurring with respect to manual transmission.The appearance of automatic transmission case, has alleviated tension when driver drives a car.Due in driving procedure without gear shift, driver can observe the situation of vehicle periphery absorbedly, and owing to adopting accurate electric controller, automatic transmission case can not only adapt to various driving conditions, and can adapt to different driving styles.This means that gear shift depends on drive manner, engine load, the speed of a motor vehicle and engine speed constantly, thereby, take full advantage of the useful horsepower of motor.
Certainly, automatic transmission case is the same with any machine, there will be fault.For more serious automatic transmission case fault, most important a kind of malfunction and failure treatment measures are to make vehicle enter limp-home mode at present.
But; current existing technology just judges whether the automatic transmission case fault of current existence triggers and enters limp-home mode; according to the order of severity of fault, the mode of limp-home is not carried out to detailed differentiation, thereby can not better protect automatic transmission case.
Summary of the invention
The object of this invention is to provide controlling method and system that a kind of automatic transmission case initiatively enters limp-home mode; in order to solve in prior art; whether the automatic transmission case fault that just judges current existence triggers and enters limp-home mode; according to the order of severity of fault, the mode of limp-home is not carried out to detailed differentiation, thereby can not better protect the problem of automatic transmission case.
For achieving the above object, the invention provides following scheme:
Automatic transmission case initiatively enters a controlling method for limp-home mode, comprising:
Obtain the failure response value that automatic transmission case initiatively enters limp-home mode;
Judge described failure response value and enter the corresponding different trigger values of limp-home different mode and whether equate;
When described failure response value with enter limp-home different mode in the trigger value of a certain pattern while equating, control described automatic transmission case and carry out the enter limp-home mode corresponding with described trigger value.
Preferably, before obtaining the failure response value that automatic transmission case initiatively enters limp-home mode, also comprise:
Detect the running state of described automatic transmission case, judge whether described automatic transmission case exists fault.
Preferably, enter the corresponding different trigger values of limp-home different mode, comprising:
Enter immediately the first trigger value of limp-home mode;
First descend the second trigger value that enters limp-home mode after electricity;
And the 3rd trigger value that first keeps entering after current gear limp-home mode.
Preferably, judge described failure response value and enter the corresponding different trigger values of limp-home different mode and whether equate, comprising:
First judge whether described failure response value equates with described the first trigger value;
If so, control described automatic transmission case execution and enter immediately limp-home mode, if not, continue to judge whether described failure response value equates with described the second trigger value;
If so, control after electricity is first descended in described automatic transmission case execution and enter limp-home mode, if not, continue to judge whether described failure response value equates with described the 3rd trigger value;
If so, control described automatic transmission case execution and first keep entering limp-home mode after current gear, if not, do not enter limp-home mode.
Preferably, control before described automatic transmission case carries out and first keep entering limp-home mode after current gear, also comprise:
Judge whether the speed of a motor vehicle is less than 40,000 ms/h; If so, control described automatic transmission case execution and first keep entering limp-home mode after current gear, if not, do not enter limp-home mode.
Automatic transmission case initiatively enters a control system for limp-home mode, comprising:
Failure response value acquisition module, initiatively enters the failure response value of limp-home mode for obtaining automatic transmission case;
Whether judge module, for judging described failure response value and entering the corresponding different trigger values of limp-home different mode and equate;
Control module, for when described failure response value equates with the trigger value that enters a certain pattern of limp-home different mode, controls described automatic transmission case and carries out the enter limp-home mode corresponding with described trigger value.
Preferably, also comprise:
Testing module, for detection of the running state of described automatic transmission case, judges whether described automatic transmission case exists fault.
Preferably, described testing module comprises:
Detection unit, for detection of the running state of described automatic transmission case;
Judging unit, judges for the running state according to described automatic transmission case whether described automatic transmission case exists fault.
Preferably, described judge module comprises:
The first judging unit, for judging whether described failure response value equates with the first trigger value, if so, controls described automatic transmission case execution and enters immediately limp-home mode;
The second judging unit, for judging whether described failure response value equates with the second trigger value, if so, controls after electricity is first descended in described automatic transmission case execution and enters limp-home mode;
The 3rd judging unit, for judging whether described failure response value equates with the 3rd trigger value, if so, controls described automatic transmission case execution and first keeps entering limp-home mode after current gear, if not, does not enter limp-home mode.
Preferably, also comprise:
The 4th judging unit, for when described failure response value equates with described the 3rd trigger value, judges whether the speed of a motor vehicle is less than 40,000 ms/h; If so, control described automatic transmission case execution and first keep entering limp-home mode after current gear, if not, do not enter limp-home mode.
Whether technological scheme provided by the invention, by judging failure response value that automatic transmission case initiatively enters limp-home mode and entering the corresponding different trigger values of limp-home different mode and equate; When described failure response value with enter limp-home different mode in the trigger value of a certain pattern while equating, control described automatic transmission case and carry out the enter limp-home mode corresponding with described trigger value.The failure response value that automatic transmission case initiatively enters limp-home mode is difference along with the difference of the order of severity of automatic transmission case fault, and for the fault of different automatic transmission case, the trigger value entering in limp-home different mode is not identical yet.By judging failure response value that automatic transmission case initiatively enters limp-home mode and entering the corresponding different trigger values of limp-home different mode and whether equate; When described failure response value with enter limp-home different mode in the trigger value of a certain pattern while equating, control described automatic transmission case and carry out the enter limp-home mode corresponding with described trigger value.Therefore; technological scheme provided by the invention; can control automatic transmission case, according to the order of severity of fault, the mode of limp-home be carried out to detailed differentiation; thereby can better protect automatic transmission case; overcome in prior art; just the simple fault according to the current existence of automatic transmission case determines whether enter limp-home mode, can not distinguish better to protect to entering the mode of limp-home mode the problem of automatic transmission case.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technological scheme of the prior art, to the accompanying drawing of required use in embodiment be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 initiatively enters the flow chart of the controlling method of limp-home mode for a kind of automatic transmission case that the embodiment of the present invention provides;
Fig. 2 initiatively enters the flow chart of the controlling method of limp-home mode for another automatic transmission case that the embodiment of the present invention provides;
Fig. 3 is that the disclosed a kind of automatic transmission case of the embodiment of the present invention initiatively enters the structural drawing of the control system of limp-home mode;
Fig. 4 is that disclosed another automatic transmission case of the embodiment of the present invention initiatively enters the structural drawing of the control system of limp-home mode.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technological scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiments.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment who obtains under creative work prerequisite, belong to the scope of protection of the invention.
For above-mentioned purpose of the present invention, feature and advantage can be become apparent more, below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
Embodiment one
Refer to Fig. 1, Fig. 1 initiatively enters the flow chart of the controlling method of limp-home mode for a kind of automatic transmission case that the embodiment of the present invention provides.As shown in Figure 1, the method comprises:
Step S101: obtain the failure response value that automatic transmission case initiatively enters limp-home mode;
Concrete, before described step S101, also comprise: detect the running state of described automatic transmission case, judge whether described automatic transmission case exists fault.Concrete, can judge whether automatic transmission case exists fault by detecting oil pressure, rotating speed and current value.
Step S102: judge described failure response value and enter the corresponding different trigger values of limp-home different mode and whether equate; When described failure response value with enter limp-home different mode in the trigger value of a certain pattern while equating, execution step S103; When described failure response value and the trigger value that enters any one pattern in limp-home different mode are all unequal, execution step S104.
Concrete, the corresponding trigger value of different mode that enters limp-home is different.Enter the corresponding different trigger values of limp-home different mode, comprising: the first trigger value that enters immediately limp-home mode; First descend the second trigger value that enters limp-home mode after electricity; And the 3rd trigger value that first keeps entering after current gear limp-home mode.Described the first trigger value, optional, be 1; Described the second trigger value, optional, be 2; Described the 3rd trigger value, optional, be 256.During described automatic transmission case fault-free, automatic transmission case initiatively enters the failure response value of limp-home mode, is 0.
Step S103: control described automatic transmission case and carry out the enter limp-home mode corresponding with described trigger value;
Concrete, when the failure response value that initiatively enters limp-home mode when automatic transmission case equates with described the first trigger value, control described automatic transmission case execution corresponding with described the first trigger value enter immediately limp-home mode; When the failure response value that initiatively enters limp-home mode when automatic transmission case equates with described the second trigger value, control described automatic transmission case and carry out and corresponding with described the second trigger value enter limp-home mode after first descending electricity; When the failure response value that initiatively enters limp-home mode when automatic transmission case equates with described the 3rd trigger value, control after described automatic transmission case is carried out the current gear of first maintenance corresponding with described the 3rd trigger value and enter limp-home mode.
Step S104: control described automatic transmission case and do not enter limp-home mode.
Whether the technological scheme that the embodiment of the present invention one provides, by judging failure response value that automatic transmission case initiatively enters limp-home mode and entering the corresponding different trigger values of limp-home different mode and equate; When described failure response value with enter limp-home different mode in the trigger value of a certain pattern while equating, control described automatic transmission case and carry out the enter limp-home mode corresponding with described trigger value.The failure response value that automatic transmission case initiatively enters limp-home mode is difference along with the difference of the order of severity of automatic transmission case fault, and for the fault of different automatic transmission case, the trigger value entering in limp-home different mode is not identical yet.By judging failure response value that automatic transmission case initiatively enters limp-home mode and entering the corresponding different trigger values of limp-home different mode and whether equate; When described failure response value with enter limp-home different mode in the trigger value of a certain pattern while equating, control described automatic transmission case and carry out the enter limp-home mode corresponding with described trigger value.Therefore; technological scheme provided by the invention; can control automatic transmission case, according to the order of severity of fault, the mode of limp-home be carried out to detailed differentiation; thereby can better protect automatic transmission case; overcome in prior art; just the simple fault according to the current existence of automatic transmission case determines whether enter limp-home mode, can not distinguish better to protect to entering the mode of limp-home mode the problem of automatic transmission case.
For more detailed elaboration technological scheme of the present invention, the present invention further discloses another one specific embodiment.
Embodiment two
Refer to Fig. 2, Fig. 2 initiatively enters the flow chart of the controlling method of limp-home mode for another automatic transmission case that the embodiment of the present invention provides.As shown in Figure 2, the method comprises:
Step S201: obtain the failure response value that automatic transmission case initiatively enters limp-home mode;
Step S202: judge whether described failure response value equates with the first trigger value;
Concrete, described the first trigger value is to enter in the different mode of limp-home to enter immediately the corresponding trigger value of limp-home mode, optional, is 1.The judged result of described step S202 is designated as the first judged result, comprising: be or no.Judgment result is that and be, execution step S203 when described first; Otherwise, execution step S204.
Step S203: control described automatic transmission case and carry out corresponding with described the first trigger value limp-home mode that enters immediately;
Step S204: judge whether described failure response value equates with the second trigger value;
Concrete, described the second trigger value is to enter after first descend electricity in the different mode of limp-home to enter the corresponding trigger value of limp-home mode, optionally, is 2.The judged result of described step S204 is designated as the second judged result, comprising: be or no.Judgment result is that and be, execution step S205 when described second; Otherwise, execution step S206.
Step S205: control described automatic transmission case and carry out and corresponding with described the second trigger value enter limp-home mode after first descending electricity;
Step S206: judge whether described failure response value equates with the 3rd trigger value;
Concrete, described the 3rd trigger value is to enter in the different mode of limp-home first to keep entering the corresponding trigger value of limp-home mode after current gear, optional, is 256.The judged result of described step S206 is designated as the 3rd judged result, comprising: be or no.Judgment result is that and be, execution step S207 when the described the 3rd; Otherwise, execution step S208.
Step S207: control after described automatic transmission case is carried out the current gear of first maintenance corresponding with described the 3rd trigger value and enter limp-home mode;
Further, before carrying out described step S207, also comprise:
Judge whether the speed of a motor vehicle is less than 40,000 ms/h, obtain the 4th judged result.Described the 4th judged result comprises, is or no.Judgment result is that it is to carry out described step S207 when the described the 4th; Otherwise, execution step S208.
Step S208: control described automatic transmission case and do not enter limp-home mode.
The controlling method that initiatively enters limp-home mode corresponding to the disclosed automatic transmission case of the embodiment of the present invention, the embodiment of the present invention discloses the control system that a kind of automatic transmission case initiatively enters limp-home mode.Fig. 3 is that the disclosed a kind of automatic transmission case of the embodiment of the present invention initiatively enters the structural drawing of the control system of limp-home mode.As shown in Figure 3, this system comprises:
Failure response value acquisition module 301, initiatively enters the failure response value of limp-home mode for obtaining automatic transmission case;
Whether judge module 302, for judging described failure response value and entering the corresponding different trigger values of limp-home different mode and equate;
Concrete, described judge module 302, comprising: the first judging unit, and for judging whether described failure response value equates with the first trigger value, if so, control described automatic transmission case execution and enter immediately limp-home mode;
The second judging unit, for judging whether described failure response value equates with the second trigger value, if so, controls after electricity is first descended in described automatic transmission case execution and enters limp-home mode;
The 3rd judging unit, for judging whether described failure response value equates with the 3rd trigger value, if so, controls described automatic transmission case execution and first keeps entering limp-home mode after current gear, if not, does not enter limp-home mode.
Further, described judge module 302, also comprises: the 4th judging unit, for when described failure response value equates with described the 3rd trigger value, judges whether the speed of a motor vehicle is less than 40,000 ms/h; If so, control described automatic transmission case execution and first keep entering limp-home mode after current gear, if not, do not enter limp-home mode.
Control module 303, for when described failure response value equates with the trigger value that enters a certain pattern of limp-home different mode, controls described automatic transmission case and carries out the enter limp-home mode corresponding with described trigger value.
Fig. 4 is that disclosed another automatic transmission case of the embodiment of the present invention initiatively enters the structural drawing of the control system of limp-home mode.As shown in Figure 4, this system comprises:
Testing module 401, for detection of the running state of described automatic transmission case, judges whether described automatic transmission case exists fault;
Concrete, described testing module 401, comprising: detection unit, for detection of the running state of described automatic transmission case; Judging unit, judges for the running state according to described automatic transmission case whether described automatic transmission case exists fault.
Failure response value acquisition module 402, initiatively enters the failure response value of limp-home mode for obtaining automatic transmission case;
Whether judge module 403, for judging described failure response value and entering the corresponding different trigger values of limp-home different mode and equate;
Control module 404, for when described failure response value equates with the trigger value that enters a certain pattern of limp-home different mode, controls described automatic transmission case and carries out the enter limp-home mode corresponding with described trigger value.
Finally, also it should be noted that, in this article, relational terms such as the first and second grades is only used for an entity or operation to separate with another entity or control panel, and not necessarily requires or imply and between these entities or operation, have the relation of any this reality or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thereby the process, method, article or the equipment that make to comprise a series of key elements not only comprise those key elements, but also comprise other key elements of clearly not listing, or be also included as the intrinsic key element of this process, method, article or equipment.The in the situation that of more restrictions not, the key element being limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment that comprises described key element and also have other identical element.
In this specification, each embodiment adopts the mode of going forward one by one to describe, and each embodiment stresses is the difference with other embodiments, between each embodiment identical similar part mutually referring to.For the control system that initiatively enters limp-home mode for the disclosed automatic transmission case of embodiment, because it corresponds to the method disclosed in Example, so description is fairly simple, relevant part partly illustrates referring to method.
Applied specific case herein principle of the present invention and mode of execution are set forth, above embodiment's explanation is just for helping to understand method of the present invention and core concept thereof; Meanwhile, for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications.In sum, this description should not be construed as limitation of the present invention.
Claims (10)
1. automatic transmission case initiatively enters a controlling method for limp-home mode, it is characterized in that, comprising:
Obtain the failure response value that automatic transmission case initiatively enters limp-home mode;
Judge described failure response value and enter the corresponding different trigger values of limp-home different mode and whether equate;
When described failure response value with enter limp-home different mode in the trigger value of a certain pattern while equating, control described automatic transmission case and carry out the enter limp-home mode corresponding with described trigger value.
2. method according to claim 1, is characterized in that, before obtaining the failure response value that automatic transmission case initiatively enters limp-home mode, also comprises:
Detect the running state of described automatic transmission case, judge whether described automatic transmission case exists fault.
3. method according to claim 1, is characterized in that, enters the corresponding different trigger values of limp-home different mode, comprising:
Enter immediately the first trigger value of limp-home mode;
First descend the second trigger value that enters limp-home mode after electricity;
And the 3rd trigger value that first keeps entering after current gear limp-home mode.
4. whether method according to claim 3, is characterized in that, judge described failure response value and enter the corresponding different trigger values of limp-home different mode and equate, comprising:
First judge whether described failure response value equates with described the first trigger value;
If so, control described automatic transmission case execution and enter immediately limp-home mode, if not, continue to judge whether described failure response value equates with described the second trigger value;
If so, control after electricity is first descended in described automatic transmission case execution and enter limp-home mode, if not, continue to judge whether described failure response value equates with described the 3rd trigger value;
If so, control described automatic transmission case execution and first keep entering limp-home mode after current gear, if not, do not enter limp-home mode.
5. method according to claim 4, is characterized in that, controls before described automatic transmission case carries out and first keep entering limp-home mode after current gear, also comprises:
Judge whether the speed of a motor vehicle is less than 40,000 ms/h; If so, control described automatic transmission case execution and first keep entering limp-home mode after current gear, if not, do not enter limp-home mode.
6. automatic transmission case initiatively enters a control system for limp-home mode, it is characterized in that, comprising:
Failure response value acquisition module, initiatively enters the failure response value of limp-home mode for obtaining automatic transmission case;
Whether judge module, for judging described failure response value and entering the corresponding different trigger values of limp-home different mode and equate;
Control module, for when described failure response value equates with the trigger value that enters a certain pattern of limp-home different mode, controls described automatic transmission case and carries out the enter limp-home mode corresponding with described trigger value.
7. system according to claim 6, is characterized in that, also comprises:
Testing module, for detection of the running state of described automatic transmission case, judges whether described automatic transmission case exists fault.
8. system according to claim 7, is characterized in that, described testing module comprises:
Detection unit, for detection of the running state of described automatic transmission case;
Judging unit, judges for the running state according to described automatic transmission case whether described automatic transmission case exists fault.
9. system according to claim 6, is characterized in that, described judge module comprises:
The first judging unit, for judging whether described failure response value equates with the first trigger value, if so, controls described automatic transmission case execution and enters immediately limp-home mode;
The second judging unit, for judging whether described failure response value equates with the second trigger value, if so, controls after electricity is first descended in described automatic transmission case execution and enters limp-home mode;
The 3rd judging unit, for judging whether described failure response value equates with the 3rd trigger value, if so, controls described automatic transmission case execution and first keeps entering limp-home mode after current gear, if not, does not enter limp-home mode.
10. system according to claim 9, is characterized in that, also comprises:
The 4th judging unit, for when described failure response value equates with described the 3rd trigger value, judges whether the speed of a motor vehicle is less than 40,000 ms/h; If so, control described automatic transmission case execution and first keep entering limp-home mode after current gear, if not, do not enter limp-home mode.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410242187.6A CN103982646B (en) | 2014-06-03 | 2014-06-03 | Automatic gear-box actively enters control method and the system of limp-home mode |
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| CN201410242187.6A CN103982646B (en) | 2014-06-03 | 2014-06-03 | Automatic gear-box actively enters control method and the system of limp-home mode |
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| CN103982646B CN103982646B (en) | 2016-06-15 |
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Cited By (6)
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| CN104458239A (en) * | 2014-12-17 | 2015-03-25 | 盛瑞传动股份有限公司 | Stuck-open fault detection method and device for hydraulic torque converter |
| CN107466276A (en) * | 2015-04-13 | 2017-12-12 | 标致雪铁龙汽车股份有限公司 | Management method of the motor vehicle driven by mixed power with automatic gear-box in the gearbox jams |
| CN107575567A (en) * | 2017-11-02 | 2018-01-12 | 盛瑞传动股份有限公司 | A kind of shift control method with stop-working protection |
| CN107816543A (en) * | 2016-09-14 | 2018-03-20 | 联合汽车电子有限公司 | The limping control method of automatic transmission and its handle position failure |
| CN108749811A (en) * | 2018-04-25 | 2018-11-06 | 吉利汽车研究院（宁波）有限公司 | A kind of electronic gear shifter shift control method, system and vehicle |
| CN111059283B (en) * | 2019-12-27 | 2022-01-04 | 盛瑞传动股份有限公司 | Control method for processing invalidation of engine side key CAN signal |
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| CN107466276A (en) * | 2015-04-13 | 2017-12-12 | 标致雪铁龙汽车股份有限公司 | Management method of the motor vehicle driven by mixed power with automatic gear-box in the gearbox jams |
| CN107466276B (en) * | 2015-04-13 | 2020-07-07 | 标致雪铁龙汽车股份有限公司 | Method for managing a hybrid vehicle with an automatic gearbox in the event of a malfunction of said gearbox |
| CN107816543A (en) * | 2016-09-14 | 2018-03-20 | 联合汽车电子有限公司 | The limping control method of automatic transmission and its handle position failure |
| CN107816543B (en) * | 2016-09-14 | 2019-09-17 | 联合汽车电子有限公司 | The limping control method of automatic transmission and its handle position failure |
| CN107575567A (en) * | 2017-11-02 | 2018-01-12 | 盛瑞传动股份有限公司 | A kind of shift control method with stop-working protection |
| CN108749811A (en) * | 2018-04-25 | 2018-11-06 | 吉利汽车研究院（宁波）有限公司 | A kind of electronic gear shifter shift control method, system and vehicle |
| CN111059283B (en) * | 2019-12-27 | 2022-01-04 | 盛瑞传动股份有限公司 | Control method for processing invalidation of engine side key CAN signal |
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