CN104121356A - Hydraulic automatic gearbox gear-shifting control method and system - Google Patents
Hydraulic automatic gearbox gear-shifting control method and system Download PDFInfo
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- CN104121356A CN104121356A CN201410308530.2A CN201410308530A CN104121356A CN 104121356 A CN104121356 A CN 104121356A CN 201410308530 A CN201410308530 A CN 201410308530A CN 104121356 A CN104121356 A CN 104121356A
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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
- F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
- F16H59/02—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
- 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
- F16H61/0262—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 hydraulic
- F16H61/0265—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 hydraulic for gearshift control, e.g. control functions for performing shifting or generation of shift signals
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- 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
- F16H61/04—Smoothing ratio shift
- F16H61/0437—Smoothing ratio shift by using electrical signals
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- 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
- F16H61/26—Generation or transmission of movements for final actuating mechanisms
- F16H61/28—Generation or transmission of movements for final actuating mechanisms with at least one movement of the final actuating mechanism being caused by a non-mechanical force, e.g. power-assisted
- F16H61/2807—Generation or transmission of movements for final actuating mechanisms with at least one movement of the final actuating mechanism being caused by a non-mechanical force, e.g. power-assisted using electric control signals for shift actuators, e.g. electro-hydraulic control therefor
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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
- F16H61/04—Smoothing ratio shift
- F16H2061/0459—Smoothing ratio shift using map for shift parameters, e.g. shift time, slip or pressure gradient, for performing controlled shift transition and adapting shift parameters by learning
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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 hydraulic automatic gearbox gear-shifting control method and system. The method includes the steps of detecting a gear-shifting signal of an automatic gearbox; when the gear-shifting signal is detected, comparing a current gear-shifting working condition with different preset gear-shifting working conditions to obtain the certain preset gear-shifting working condition matched with the current gear-shifting working condition; executing a clutch control mode corresponding to the certain preset gear-shifting working condition. By means of the hydraulic automatic gearbox gear-shifting control method and system, the clutch control mode can be adjusted in time to adapt to the current gear-shifting working condition, so that gear-shifting impact can be reduced, and the gear-shifting smoothness can be improved.
Description
Technical field
The present invention relates to control technology of automatic transmission field, relate in particular to a kind of hydraulic automatic speed variator shift control method and system.
Background technique
Automatic transmission 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, has alleviated tension when driver drives a car.Due in driving procedure without gearshift, driver can observe the situation of vehicle periphery absorbedly, and due to adopt accurate electric controller, automatic transmission can not only adapt to various driving conditions, and can adapt to different driving styles.This means that gearshift the moment depends on drive manner, engine load, the speed of a motor vehicle and engine speed, thereby, take full advantage of the useful horsepower of motor.Hydraulic automatic speed variator is a kind of automatic transmission of market demand maximum in automatic transmission field.Two core competitiveness of hydraulic automatic speed variator are simple to operate and smooth gear shifting.The automobile of equipment hydraulic automatic speed variator has been cancelled the operation of clutch pedal and gear level in the time of gearshift, has alleviated driver's driving burden; Simultaneously vehicle does not have sudden surge in the time of starting and gearshift, and stable drive can improve the riding comfort of car load, reduces the damage to motor.
Hydraulic automatic speed variator gearshift refers to that a clutch engages, the gear switch process of another clutch separation, relate to the combination system of mechanical electronic hydraulic, this process generally can be divided into three control stages: oil-filled stage, torque switching phase, speed synchronous phase.This shift process is the process of cut-off clutch and engaging clutch co-ordination, too fast if engaging clutch engages, and can cause many clutch transmission torques and causes that automatic transmission crosses constraint and impact; And cut-off clutch separation is too fast, can cause automatic transmission transmission of power to be interrupted.
In current technology, under difference gearshift operating mode, be the same to the control strategy of clutch, cause in shift process, occur gearshift impact, the smoothness of impact gearshift.
Summary of the invention
The object of this invention is to provide a kind of hydraulic automatic speed variator shift control method and system, in order to solve in current technology, the same caused in shift process to the control strategy of clutch under difference gearshift operating mode, easily occur that gearshift impacts, affect the problem of smooth gear shifting.
For achieving the above object, the invention provides following scheme:
A kind of hydraulic automatic speed variator shift control method, comprising:
Detect the gear shifting signal of automatic transmission;
In the time described gear shifting signal being detected, current gearshift operating mode is compared from default different gearshift operating modes, obtain a certain default gearshift operating mode matching with current gearshift operating mode;
Carry out the Clutch Control mode corresponding with described a certain default gearshift operating mode.
Preferably, detect the gear shifting signal from the described automatic transmission of automatic transmission cooperative control system.
Preferably, described default different gearshift operating mode comprises:
The dynamic operating mode that upgrades, the dynamic operating mode that lowers category, unpowered operating mode and the unpowered operating mode that lowers category of upgrading.
Preferably, in the time described gear shifting signal being detected, current gearshift operating mode is compared from default different gearshift operating mode, obtains a certain default gearshift operating mode that matches with current gearshift operating mode, comprising:
Judge whether current gearshift operating mode is the operating mode that upgrades, obtaining result is to be and the first no judged result;
When described the first judged result is yes, judge whether current gearshift operating mode is dynamic operating mode, obtaining result is to be and the second no judged result; When described the second judged result is yes, determine that current gearshift operating mode is the dynamic operating mode that upgrades; When described the second judged result is no, determine that current gearshift operating mode is the unpowered operating mode that upgrades;
When described the first judged result is no, judge whether current gearshift operating mode is dynamic operating mode, obtaining result is to be and the 3rd no judged result; When described the 3rd judged result is yes, determine that current gearshift operating mode is the dynamic operating mode that lowers category; When described the 3rd judged result is no, determine that current gearshift operating mode is the unpowered operating mode that lowers category.
Preferably, current gearshift operating mode is dynamic upgrading when operating mode, carries out the Clutch Control mode corresponding with described a certain default gearshift operating mode, comprising:
Control cut-off clutch enters small cunning and rubs the stage, controls engaging clutch and enters the oil-filled preparatory stage;
When oil-filled when successful in conjunction with clutch, control described cut-off clutch and described combination clutch enters torque switching phase simultaneously;
In the time that described cut-off clutch and described combination clutch torque exchange successfully, control described cut-off clutch and enter separated state, control described combination clutch and enter engine speed synchronous phase;
In the time that engine governed speed completes, control and enter lockup state in conjunction with clutch.
Preferably, current gearshift operating mode is dynamic lowering category when operating mode, carries out the Clutch Control mode corresponding with described a certain default gearshift operating mode, comprising:
Control cut-off clutch and enter engine speed synchronous phase, control engaging clutch and enter the oil-filled preparatory stage;
When in conjunction with the oil-filled success of clutch, and engine governed speed is while completing, controls described cut-off clutch and described combination clutch enters torque switching phase simultaneously;
In the time that described cut-off clutch and described combination clutch torque exchange successfully, control described cut-off clutch and enter separated state, control described combination clutch and enter lockup state.
Preferably, current gearshift operating mode is unpowered lowering category when operating mode, carries out the Clutch Control mode corresponding with described a certain default gearshift operating mode, comprising:
Control cut-off clutch enters small cunning and rubs the stage, controls engaging clutch and enters the oil-filled preparatory stage;
When oil-filled when successful in conjunction with clutch, control described cut-off clutch and described combination clutch enters torque switching phase simultaneously;
In the time that described cut-off clutch and described combination clutch torque exchange successfully, control described cut-off clutch and enter separated state, control described combination clutch and enter engine speed synchronous phase;
In the time that engine governed speed completes, control and enter lockup state in conjunction with clutch.
Preferably, current gearshift operating mode is unpowered upgrading when operating mode, carries out the Clutch Control mode corresponding with described a certain default gearshift operating mode, comprising:
Control cut-off clutch and enter engine speed synchronous phase, control engaging clutch and enter the oil-filled preparatory stage;
When in conjunction with the oil-filled success of clutch, and engine governed speed is while completing, controls described cut-off clutch and described combination clutch enters torque switching phase simultaneously;
In the time that described cut-off clutch and described combination clutch torque exchange successfully, control described cut-off clutch and enter separated state, control described combination clutch and enter lockup state.
A kind of hydraulic automatic speed variator shifting control system, comprising:
Testing module, for detection of the gear shifting signal of automatic transmission;
Comparing module, in the time described gear shifting signal being detected, compares current gearshift operating mode from default different gearshift operating modes, obtain a certain default gearshift operating mode matching with current gearshift operating mode;
Executive Module, for carrying out the Clutch Control mode corresponding with described a certain default gearshift operating mode.
Preferably, described comparing module comprises:
The first judging unit is to be and the first no judged result for judging whether current gearshift operating mode is the operating mode that upgrades, obtaining result;
The second judging unit, for being yes when described the first judged result, judges whether current gearshift operating mode is dynamic operating mode, and obtaining result is to be and the second no judged result; When described the second judged result is yes, determine that current gearshift operating mode is the dynamic operating mode that upgrades; When described the second judged result is no, determine that current gearshift operating mode is the unpowered operating mode that upgrades;
The 3rd judging unit, for being no when described the first judged result, judges whether current gearshift operating mode is dynamic operating mode, and obtaining result is to be and the 3rd no judged result; When described the 3rd judged result is yes, determine that current gearshift operating mode is the dynamic operating mode that lowers category; When described the 3rd judged result is no, determine that current gearshift operating mode is the unpowered operating mode that lowers category.
A kind of hydraulic automatic speed variator shift control method provided by the invention and system, method comprises: the gear shifting signal that detects automatic transmission; In the time described gear shifting signal being detected, current gearshift operating mode is compared from default different gearshift operating modes, obtain a certain default gearshift operating mode matching with current gearshift operating mode; Carry out the Clutch Control mode corresponding with described a certain default gearshift operating mode.Technological scheme provided by the invention, can be in the time the gear shifting signal of automatic transmission being detected, current gearshift operating mode is compared from default different gearshift operating modes, find out a certain default gearshift operating mode matching with current gearshift operating mode, then carry out the Clutch Control mode corresponding with this default gearshift operating mode, make for different gearshift operating modes, can adjust in time the control mode of clutch and current gearshift operating mode adapts, impact thereby reduce gearshift, improve the smoothness of gearshift.
Brief description of the drawings
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 skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The flow chart of a kind of hydraulic automatic speed variator shift control method that Fig. 1 provides for the embodiment of the present invention;
The method flow diagram of the Clutch Control mode of the corresponding first kind operating mode that Fig. 2 provides for the embodiment of the present invention;
The method flow diagram of the Clutch Control mode of the corresponding Equations of The Second Kind operating mode that Fig. 3 provides for the embodiment of the present invention;
The structural drawing of a kind of hydraulic automatic speed variator shifting control system that Fig. 4 provides for the embodiment of the present invention.
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, 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 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
Refer to Fig. 1, the flow chart of a kind of hydraulic automatic speed variator shift control method that Fig. 1 provides for the embodiment of the present invention.As shown in Figure 1, the method comprises:
Step S101: the gear shifting signal that detects automatic transmission;
Concrete, detect the gear shifting signal from the described automatic transmission of automatic transmission cooperative control system.
Step S102: in the time described gear shifting signal being detected, current gearshift operating mode is compared from default different gearshift operating modes, obtain a certain default gearshift operating mode matching with current gearshift operating mode;
Concrete, described default different gearshift operating mode comprises: the dynamic operating mode that upgrades, the dynamic operating mode that lowers category, unpowered operating mode and the unpowered operating mode that lowers category of upgrading.Dynamic upshift operating mode, refers to open out, along with the operating mode of speed of a motor vehicle increase upshift; Dynamic downshift operating mode, refers to rapid large throttle, the operating mode of first downshift before the speed of a motor vehicle promotes; Unpowered upshift operating mode, refers to unclamp the process of upshift after throttle, after generally occurring in dynamic downshift operating mode; Unpowered downshift operating mode, refers to without throttle, along with the operating mode of speed of a motor vehicle reduction downshift.
In the time described gear shifting signal being detected, current gearshift operating mode is compared from default different gearshift operating modes, obtain a certain default gearshift operating mode matching with current gearshift operating mode, comprising: judge whether current gearshift operating mode is the operating mode that upgrades, obtaining result is to be and the first no judged result; Concrete, the input shaft rotating speed and the throttle opening that gather according to hydraulic automatic speed variator, first determine whether shifting up operation operating mode.
When described the first judged result is yes, judge whether current gearshift operating mode is dynamic operating mode, obtaining result is to be and the second no judged result; When described the second judged result is yes, determine that current gearshift operating mode is the dynamic operating mode that upgrades; When described the second judged result is no, determine that current gearshift operating mode is the unpowered operating mode that upgrades;
When described the first judged result is no, same continuation judges whether current gearshift operating mode is dynamic operating mode, and obtaining result is to be and the 3rd no judged result; When described the 3rd judged result is yes, determine that current gearshift operating mode is the dynamic operating mode that lowers category; When described the 3rd judged result is no, determine that current gearshift operating mode is the unpowered operating mode that lowers category.
Step S103: carry out the Clutch Control mode corresponding with described a certain default gearshift operating mode.
Concrete, described step S102 can determine a certain default gearshift operating mode in the different default gearshift operating mode matching from current gearshift operating mode, carries out the Clutch Control mode corresponding with the determined a certain default gearshift operating mode of described step S102.
Concrete, current working is the dynamic operating mode that upgrades, or lowers category when operating mode for unpowered, identical to Clutch Control mode, is designated as first kind operating mode.Refer to Fig. 2, the method flow diagram of the Clutch Control mode of the corresponding first kind operating mode that Fig. 2 provides for the embodiment of the present invention.As shown in Figure 2, the method comprises:
Step S201: control cut-off clutch enters small cunning and rubs the stage, controls engaging clutch and enters the oil-filled preparatory stage;
Concrete, by controlling oil pressure, cut-off clutch torque reduces, and cut-off clutch state is converted into small cunning by lockup state and rubs the stage, controls engaging clutch simultaneously and enters the oil-filled preparatory stage.
Step S202: when oil-filled when successful in conjunction with clutch, control described cut-off clutch and described combination clutch enters torque switching phase simultaneously;
Concrete, judge whether engaging clutch is oil-filled successful, if failure, solenoidoperated cluthes keep current state of a control.If oil-filled success, controls described cut-off clutch and described combination clutch enters torque switching phase simultaneously, the clutch of driving torque becomes engaging clutch, and engaging clutch is handed in its torque by cut-off clutch.
Step S203: in the time that described cut-off clutch and described combination clutch torque exchange successfully, control described cut-off clutch and enter separated state, control described combination clutch and enter engine speed synchronous phase;
Concrete, judge cut-off clutch and whether complete in conjunction with the torque exchange of clutch, if do not had, solenoidoperated cluthes keep current state of a control; If complete, control cut-off clutch and enter separated state, control engaging clutch and enter engine speed synchronous phase.
Step S204: in the time that engine governed speed completes, control and enter lockup state in conjunction with clutch.
Concrete, engine speed is transitioned into the rotating speed of target gear from the rotating speed of current shift, judge whether engine governed speed completes, if do not had, solenoidoperated cluthes keep current state of a control; If completed, control engaging clutch and enter lockup state, now the whole shift process for first kind gearshift operating mode completes.
Further, current working is the dynamic operating mode that lowers category, or upgrades when operating mode for unpowered, identical to Clutch Control mode, is designated as Equations of The Second Kind operating mode.Refer to Fig. 3, the method flow diagram of the Clutch Control mode of the corresponding Equations of The Second Kind operating mode that Fig. 3 provides for the embodiment of the present invention.As shown in Figure 3, the method comprises:
Step S301: control cut-off clutch and enter engine speed synchronous phase, control engaging clutch and enter the oil-filled preparatory stage;
Concrete, cut-off clutch torque reduces, and cut-off clutch is converted into admission velocity synchronous phase by lockup state, and engine speed is transitioned into the rotating speed of target gear from the rotating speed of current shift, control engaging clutch simultaneously and enter the oil-filled preparatory stage.
Step S302: when in conjunction with the oil-filled success of clutch, and engine governed speed is while completing, controls described cut-off clutch and described combination clutch enters torque switching phase simultaneously;
Concrete, judge engine governed speed simultaneously and whether complete in conjunction with clutch is oil-filled, if do not completed, solenoidoperated cluthes keep current state of a control; If completed, to control cut-off clutch and engaging clutch and enter torque switching phase simultaneously, the clutch of driving torque becomes engaging clutch by cut-off clutch.
Step S303: in the time that described cut-off clutch and described combination clutch torque exchange successfully, control described cut-off clutch and enter separated state, control described combination clutch and enter lockup state;
Concrete, judge cut-off clutch and whether complete in conjunction with the torque exchange of clutch, if do not had, solenoidoperated cluthes keep current state of a control; If complete, control cut-off clutch and enter separated state, to control engaging clutch and enter lockup state, the whole shift process for Equations of The Second Kind gearshift operating mode completes.
A kind of hydraulic automatic speed variator shift control method that the embodiment of the present invention provides, comprising: the gear shifting signal that detects automatic transmission; In the time described gear shifting signal being detected, current gearshift operating mode is compared from default different gearshift operating modes, obtain a certain default gearshift operating mode matching with current gearshift operating mode; Carry out the Clutch Control mode corresponding with described a certain default gearshift operating mode.Technological scheme provided by the invention, can be in the time the gear shifting signal of automatic transmission being detected, current gearshift operating mode is compared from default different gearshift operating modes, find out a certain default gearshift operating mode matching with current gearshift operating mode, then carry out the Clutch Control mode corresponding with this default gearshift operating mode, make for different gearshift operating modes, can adjust in time the control mode of clutch and current gearshift operating mode adapts, impact thereby reduce gearshift, improve the smoothness of gearshift.
In order more comprehensively to set forth technological scheme of the present invention, corresponding to the disclosed hydraulic automatic speed variator shift control method of the embodiment of the present invention, the embodiment of the present invention discloses a kind of hydraulic automatic speed variator shifting control system.The structural drawing of a kind of hydraulic automatic speed variator shifting control system that Fig. 4 provides for the embodiment of the present invention.As shown in Figure 4, this system comprises:
Testing module 401, for detection of the gear shifting signal of automatic transmission;
Comparing module 402, in the time described gear shifting signal being detected, compares current gearshift operating mode from default different gearshift operating modes, obtain a certain default gearshift operating mode matching with current gearshift operating mode;
Executive Module 403, for carrying out the Clutch Control mode corresponding with described a certain default gearshift operating mode.
Further, described comparing module comprises:
The first judging unit is to be and the first no judged result for judging whether current gearshift operating mode is the operating mode that upgrades, obtaining result;
The second judging unit, for being yes when described the first judged result, judges whether current gearshift operating mode is dynamic operating mode, and obtaining result is to be and the second no judged result; When described the second judged result is yes, determine that current gearshift operating mode is the dynamic operating mode that upgrades; When described the second judged result is no, determine that current gearshift operating mode is the unpowered operating mode that upgrades;
The 3rd judging unit, for being no when described the first judged result, judges whether current gearshift operating mode is dynamic operating mode, and obtaining result is to be and the 3rd no judged result; When described the 3rd judged result is yes, determine that current gearshift operating mode is the dynamic operating mode that lowers category; When described the 3rd judged result is no, determine that current gearshift operating mode is the unpowered operating mode that lowers category.
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 what each embodiment stressed is and other embodiments' difference, between each embodiment identical similar part mutually referring to.For the disclosed hydraulic automatic speed variator shifting control system of embodiment, because it corresponds to the method disclosed in Example, so description is fairly simple, relevant part illustrates referring to method part.
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. a hydraulic automatic speed variator shift control method, is characterized in that, comprising:
Detect the gear shifting signal of automatic transmission;
In the time described gear shifting signal being detected, current gearshift operating mode is compared from default different gearshift operating modes, obtain a certain default gearshift operating mode matching with current gearshift operating mode;
Carry out the Clutch Control mode corresponding with described a certain default gearshift operating mode.
2. method according to claim 1, is characterized in that, detects the gear shifting signal from the described automatic transmission of automatic transmission cooperative control system.
3. method according to claim 1, is characterized in that, described default different gearshift operating mode comprises:
Dynamic upshift operating mode, dynamic downshift operating mode, unpowered upshift operating mode and unpowered downshift operating mode.
4. method according to claim 3, is characterized in that, in the time described gear shifting signal being detected, current gearshift operating mode is compared from default different gearshift operating mode, obtains a certain default gearshift operating mode that matches with current gearshift operating mode, comprising:
Judge whether current gearshift operating mode is upshift operating mode, obtaining result is to be and the first no judged result;
When described the first judged result is yes, judge whether current gearshift operating mode is dynamic operating mode, obtaining result is to be and the second no judged result; When described the second judged result is yes, determine that current gearshift operating mode is dynamic upshift operating mode; When described the second judged result is no, determine that current gearshift operating mode is unpowered upshift operating mode;
When described the first judged result is no, judge whether current gearshift operating mode is dynamic operating mode, obtaining result is to be and the 3rd no judged result; When described the 3rd judged result is yes, determine that current gearshift operating mode is dynamic downshift operating mode; When described the 3rd judged result is no, determine that current gearshift operating mode is unpowered downshift operating mode.
5. method according to claim 4, is characterized in that, when current gearshift operating mode is dynamic upshift operating mode, carries out the Clutch Control mode corresponding with described a certain default gearshift operating mode, comprising:
Control cut-off clutch enters small cunning and rubs the stage, controls engaging clutch and enters the oil-filled preparatory stage;
When oil-filled when successful in conjunction with clutch, control described cut-off clutch and described combination clutch enters torque switching phase simultaneously;
In the time that described cut-off clutch and described combination clutch torque exchange successfully, control described cut-off clutch and enter separated state, control described combination clutch and enter engine speed synchronous phase;
In the time that engine governed speed completes, control and enter lockup state in conjunction with clutch.
6. method according to claim 4, is characterized in that, when current gearshift operating mode is dynamic downshift operating mode, carries out the Clutch Control mode corresponding with described a certain default gearshift operating mode, comprising:
Control cut-off clutch and enter engine speed synchronous phase, control engaging clutch and enter the oil-filled preparatory stage;
When in conjunction with the oil-filled success of clutch, and engine governed speed is while completing, controls described cut-off clutch and described combination clutch enters torque switching phase simultaneously;
In the time that described cut-off clutch and described combination clutch torque exchange successfully, control described cut-off clutch and enter separated state, control described combination clutch and enter lockup state.
7. method according to claim 4, is characterized in that, when current gearshift operating mode is unpowered downshift operating mode, carries out the Clutch Control mode corresponding with described a certain default gearshift operating mode, comprising:
Control cut-off clutch enters small cunning and rubs the stage, controls engaging clutch and enters the oil-filled preparatory stage;
When oil-filled when successful in conjunction with clutch, control described cut-off clutch and described combination clutch enters torque switching phase simultaneously;
In the time that described cut-off clutch and described combination clutch torque exchange successfully, control described cut-off clutch and enter separated state, control described combination clutch and enter engine speed synchronous phase;
In the time that engine governed speed completes, control and enter lockup state in conjunction with clutch.
8. method according to claim 4, is characterized in that, when current gearshift operating mode is unpowered upshift operating mode, carries out the Clutch Control mode corresponding with described a certain default gearshift operating mode, comprising:
Control cut-off clutch and enter engine speed synchronous phase, control engaging clutch and enter the oil-filled preparatory stage;
When in conjunction with the oil-filled success of clutch, and engine governed speed is while completing, controls described cut-off clutch and described combination clutch enters torque switching phase simultaneously;
In the time that described cut-off clutch and described combination clutch torque exchange successfully, control described cut-off clutch and enter separated state, control described combination clutch and enter lockup state.
9. a hydraulic automatic speed variator shifting control system, is characterized in that, comprising:
Testing module, for detection of the gear shifting signal of automatic transmission;
Comparing module, in the time described gear shifting signal being detected, compares current gearshift operating mode from default different gearshift operating modes, obtain a certain default gearshift operating mode matching with current gearshift operating mode;
Executive Module, for carrying out the Clutch Control mode corresponding with described a certain default gearshift operating mode.
10. system according to claim 9, is characterized in that, described comparing module comprises:
The first judging unit is to be and the first no judged result for judging whether current gearshift operating mode is upshift operating mode, obtaining result;
The second judging unit, for being yes when described the first judged result, judges whether current gearshift operating mode is dynamic operating mode, and obtaining result is to be and the second no judged result; When described the second judged result is yes, determine that current gearshift operating mode is dynamic upshift operating mode; When described the second judged result is no, determine that current gearshift operating mode is unpowered upshift operating mode;
The 3rd judging unit, for being no when described the first judged result, judges whether current gearshift operating mode is dynamic operating mode, and obtaining result is to be and the 3rd no judged result; When described the 3rd judged result is yes, determine that current gearshift operating mode is dynamic downshift operating mode; When described the 3rd judged result is no, determine that current gearshift operating mode is unpowered downshift operating mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410308530.2A CN104121356A (en) | 2014-06-30 | 2014-06-30 | Hydraulic automatic gearbox gear-shifting control method and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| WO2019228484A1 (en) * | 2018-05-31 | 2019-12-05 | 长城汽车股份有限公司 | Shift control method and device |
| CN110848381A (en) * | 2019-10-12 | 2020-02-28 | 中国第一汽车股份有限公司 | Gear-up control method, double-clutch automatic transmission and vehicle |
| CN110886839A (en) * | 2019-12-11 | 2020-03-17 | 山推工程机械股份有限公司 | Bulldozer gear shifting control method and device and computer storage medium |
| CN112682505A (en) * | 2020-12-29 | 2021-04-20 | 安徽建筑大学 | Dynamic gear-up method and device for dual-clutch automatic transmission, transmission and automobile |
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