CN109441976B - Clutch control method, automatic gear-box control unit and automobile - Google Patents
Clutch control method, automatic gear-box control unit and automobile Download PDFInfo
- Publication number
- CN109441976B CN109441976B CN201910065736.XA CN201910065736A CN109441976B CN 109441976 B CN109441976 B CN 109441976B CN 201910065736 A CN201910065736 A CN 201910065736A CN 109441976 B CN109441976 B CN 109441976B
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- Prior art keywords
- revolving speed
- clutch
- engine
- input shaft
- automatic gear
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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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D48/00—External control of clutches
- F16D48/06—Control by electric or electronic means, e.g. of fluid pressure
- F16D48/064—Control of electrically or electromagnetically actuated clutches
-
- 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
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2500/00—External control of clutches by electric or electronic means
- F16D2500/10—System to be controlled
- F16D2500/102—Actuator
- F16D2500/1021—Electrical type
- F16D2500/1023—Electric motor
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2500/00—External control of clutches by electric or electronic means
- F16D2500/10—System to be controlled
- F16D2500/108—Gear
- F16D2500/1081—Actuation type
- F16D2500/1085—Automatic transmission
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2500/00—External control of clutches by electric or electronic means
- F16D2500/10—System to be controlled
- F16D2500/11—Application
- F16D2500/1107—Vehicles
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Electromagnetism (AREA)
- Fluid Mechanics (AREA)
- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
- Control Of Transmission Device (AREA)
- Control Of Driving Devices And Active Controlling Of Vehicle (AREA)
Abstract
The present invention relates to automatic transmission technical field more particularly to a kind of clutch control methods, automatic gear-box control unit and automobile.Wherein, clutch control method is applied to automatic gear-box control unit, and described method includes following steps: obtaining the revolving speed of transmission input shaft and the revolving speed of engine;Calculate the difference of the revolving speed of the transmission input shaft and the revolving speed of the engine;When the difference is greater than preset value, the clutch into automatic gear-box, which issues, reduces oil pressure instruction.Automatic gear-box control unit and automobile are provided with above-mentioned clutch control method.Clutch control method, automatic gear-box control unit and automobile provided by the invention, reduce the discharge amount and fuel cost of engine.
Description
Technical field
The present invention relates to automatic transmission technical field more particularly to a kind of clutch control methods, automatic gear-box control
Unit and automobile processed.
Background technique
Automatic transmission with fluid torque-converter, due to the effect of fluid torque-converter, does not need to be suspended to neutral gear before parking,
But engine needs the more sprays additional according to the revolving speed of transmission input shaft and the difference of engine speed in docking process
Oil maintains the stabilization of idling to make up the dragging torque of fluid torque-converter, this not only will increase discharge amount, but also can pass through
Additional waste is generated in Ji property.
To sum up, how to overcome the drawbacks described above of existing automatic transmission is those skilled in the art's technology urgently to be resolved
Problem.
Summary of the invention
The purpose of the present invention is to provide a kind of clutch control method, automatic gear-box control unit and automobiles, with slow
The technical issues of solving big discharge amount existing for automatic transmission in the prior art, cost of idleness.
Clutch control method provided by the invention is applied to automatic gear-box control unit, and the method includes as follows
Step:
Obtain the revolving speed of transmission input shaft and the revolving speed of engine;
Calculate the difference of the revolving speed of the transmission input shaft and the revolving speed of the engine;
When the difference is greater than preset value, the clutch into automatic gear-box, which issues, reduces oil pressure instruction.
Preferably, as an embodiment, the clutch into the automatic gear-box, which issues, reduces oil pressure
After the step of instruction, further includes:
The oil pressure of the clutch is obtained in real time;
When the oil pressure of the clutch drops to contact point oil pressure, Xiang Suoshu clutch, which issues, maintains current oil pressure to refer to
It enables.
Preferably, as an embodiment, the revolving speed of the revolving speed for obtaining transmission input shaft and engine
Step specifically includes:
Be mounted on the revolving speed that the sensor at the transmission input shaft senses the transmission input shaft in real time, it is described from
Dynamic gear box control unit obtains the revolving speed for the transmission input shaft that the sensor senses;
The revolving speed of the engine is sent to automobile CAN-bus, the automatic gear-box control by engine management system
Unit obtains the revolving speed of the engine in the automobile CAN-bus.
Preferably, as an embodiment, the range of the preset value is 40rpm-100rpm.
Preferably, as an embodiment, the preset value is 50rpm.
Correspondingly, the present invention also provides a kind of automatic gear-box control units, comprising:
Data acquisition module, for obtaining the revolving speed of transmission input shaft and the revolving speed of engine;
Data analysis module, for calculating the difference of the revolving speed of the transmission input shaft and the revolving speed of the engine;
Control module, for when the difference is greater than preset value, the clutch into automatic gear-box, which issues, to reduce oil
Pressure instruction.
Preferably, as an embodiment, the data acquisition module is also used in the control module to described
After clutch issues the instruction for reducing oil pressure, the oil pressure of the clutch is obtained in real time;
The control module is also used to when the oil pressure of the clutch drops to contact point oil pressure, Xiang Suoshu clutch hair
Current oil pressure instruction is maintained out.
Preferably, as an embodiment, the data acquisition module is specifically used for:
The revolving speed for being mounted on the transmission input shaft that the sensor at the transmission input shaft senses is obtained, with
And obtain the revolving speed of the engine in automobile CAN-bus.
Preferably, as an embodiment, the range of the preset value is 40rpm-100rpm.
The present invention also provides a kind of automobiles, including above-mentioned automatic gear-box control unit, further include gearbox, start
Machine, engine management system, CAN bus and clutch;
Sensor is installed, the sensor for sensing the defeated of the gearbox in real time at the input shaft of the gearbox
Enter the revolving speed of axis and the revolving speed of the input shaft of the gearbox sensed is passed into the automatic gear-box control unit;
The engine management system is used to obtain the revolving speed of the engine in real time and sends out the revolving speed of the engine
The CAN bus is given, the CAN bus, which is used to for the revolving speed of the engine to be sent to the automatic gear-box, controls list
Member;
The automatic gear-box control unit is electrically connected with the clutch, for controlling the oil pressure of the clutch.
Compared with the prior art, the advantages of the present invention are as follows:
Clutch control method provided by the invention and automatic gear-box control unit, in automobile parking, automatically
Data acquisition module in gear box control unit can obtain the revolving speed of transmission input shaft and the revolving speed of engine, automatic to become
Data analysis module in fast case control unit can revolving speed and engine to the transmission input shaft that data acquisition module obtains
The difference of revolving speed calculated, and the difference being calculated and the preset value in automatic gear-box control unit are compared
Compared with;In docking process, the difference of the revolving speed of the revolving speed and engine of transmission input shaft can be increasing, when gearbox inputs
When the difference of the revolving speed of the revolving speed and engine of axis is greater than preset value, the control module in automatic gear-box control unit can basis
The analysis result (i.e. the difference of the revolving speed of the revolving speed and engine of transmission input shaft be greater than preset value) of data analysis module to
Clutch in automatic gear-box, which issues, reduces oil pressure instruction, so that the clutch in automatic gear-box is in half-clutch shape
State, so that the revolving speed of transmission input shaft can reduce transmission input shaft close to the revolving speed of same time engine
The difference of the revolving speed of revolving speed and engine, in this way, the torque that engine is additional essentially without compensation, with the torque for maintaining neutral gear
The stabilization of engine idling is ensured that, to reduce distributive value of the engine in docking process.
Therefore, clutch control method provided by the invention and automatic gear-box control unit, reduce the row of engine
High-volume and fuel cost.
The present invention also provides a kind of automobile, the sensor at the input shaft in gearbox being capable of real-time sensing gearbox
Input shaft revolving speed, and the revolving speed of the input shaft of the gearbox of acquisition can be passed to automatic gear-box control unit;Automobile
On engine management system can obtain the revolving speed of engine in real time, and the revolving speed of the engine of acquisition can be sent to CAN
The rotary speed data of the engine received can be sent to automatic gear-box control unit by bus, CAN bus.In docking process
In, the revolving speed that automatic gear-box control unit is capable of revolving speed and engine to the transmission input shaft of acquisition is handled, and
When the difference that data analysis module is calculated is greater than preset value, the clutch conveying into automatic gear-box reduces oil pressure letter
Number.
Therefore, automobile provided by the invention has the advantages that all of above-mentioned automatic gear-box control unit, reduces and start
The discharge amount and fuel cost of machine.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor
It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the flow chart of clutch control method provided in an embodiment of the present invention;
Fig. 2 is the structural schematic diagram of automobile provided in an embodiment of the present invention.
Icon: 21- sensor;22- automatic gear-box control unit;23- engine management system;24-CAN is total
Line;25- clutch;
221- data acquisition module;222- data analysis module;223- control module.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the orientation or position of the instructions such as term " on ", "lower", "inner", "outside"
Setting relationship is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of description of the present invention and simplification of the description, rather than
The device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot
It is interpreted as limitation of the present invention.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation " should be done
It broadly understood, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected;It can be mechanical connection,
It is also possible to be electrically connected;It can be directly connected, can also can be inside two elements indirectly connected through an intermediary
Connection.For the ordinary skill in the art, can be understood with concrete condition above-mentioned term in the present invention specifically contain
Justice.
The present invention is described in further detail below through specific implementation examples and in conjunction with the accompanying drawings.
Referring to Fig. 1 and Fig. 2, a kind of clutch control method is present embodiments provided, it is single to be applied to automatic gear-box control
Member 22, described method includes following steps:
S1: the revolving speed of transmission input shaft and the revolving speed of engine are obtained.
In automobile parking, automatic gear-box control unit 22 can obtain the revolving speed of transmission input shaft and start
The revolving speed of machine.
S2: the difference of the revolving speed of the transmission input shaft and the revolving speed of the engine is calculated.
Automatic gear-box control unit 22 can revolving speed and engine to obtained transmission input shaft revolving speed difference
It is calculated.
S3: when the difference is greater than preset value, the clutch 25 into automatic gear-box, which issues, reduces oil pressure instruction.
In docking process, the difference of the revolving speed of the revolving speed and engine of transmission input shaft can be increasing, works as speed change
It is automatic to become when the difference of the revolving speed of the revolving speed and engine of case input shaft is greater than the preset value in automatic gear-box control unit 22
Clutch 25 of the fast meeting of case control unit 22 into automatic gear-box, which issues, reduces oil pressure instruction, so that in automatic gear-box
Clutch 25 be in half-clutch state so that the revolving speed of transmission input shaft can close to same time engine turn
Speed, the i.e. difference of the revolving speed of the revolving speed and engine of reduction transmission input shaft, in this way, engine is additional essentially without compensation
Torque, with maintain neutral gear torque ensure that the stabilization of engine idling, to reduce engine in docking process
In distributive value, thus, reduce the discharge amount and fuel cost of engine.
Specifically, the preset value in automatic gear-box control unit 22 can be arranged between 40rpm-100rpm, once
The difference of the revolving speed of the revolving speed and engine of transmission input shaft is greater than this range, and the torque that engine is subject to will become very
Greatly.
Particularly, 50rpm can be set by the preset value in automatic gear-box control unit 22.
Preferably, after step s 3, can also include the following steps;
S4: the oil pressure of clutch 25 is obtained in real time.
S5: when the oil pressure of clutch 25 drops to contact point oil pressure, the finger for maintaining current oil pressure is issued to clutch 25
It enables.
The instruction of current oil pressure is maintained by sending, so that the oil pressure of clutch 25 maintains near the oil pressure of contact point,
To change convenient for driving cycles, automobile timely responds to the order oil pressure of clutch 25 when driving again.
As a preferred embodiment, above-mentioned steps S1 can be used following specific steps and realize:
S11: using the revolving speed for the real-time sensing gearbox input shaft of sensor 21 being mounted at transmission input shaft, so that
Automatic gear-box control unit 22 obtains the revolving speed for the transmission input shaft that sensor 21 senses.
S12: the revolving speed of engine is sent to automobile CAN-bus, automatic gear-box control using engine management system 23
Unit 22 processed obtains the revolving speed of the engine in automobile CAN-bus.
Referring to fig. 2, the present embodiment additionally provides a kind of automatic gear-box control unit 22, comprising:
Data acquisition module 221, for obtaining the revolving speed of transmission input shaft and the revolving speed of engine;
Data analysis module 222, for calculating the difference of the revolving speed of the transmission input shaft and the revolving speed of the engine
Value;
Control module 223, for when the difference is greater than the preset value, the clutch 25 into automatic gear-box to be sent out
Oil pressure instruction is reduced out.
Automatic gear-box control unit 22 provided in this embodiment, in automobile parking, 221 energy of data acquisition module
The revolving speed of transmission input shaft and the revolving speed of engine are enough obtained, data analysis module 222 can obtain data acquisition module 221
The revolving speed of transmission input shaft and the difference of revolving speed of engine calculated, and by the difference being calculated and fluid drive
Preset value in case control unit 22 is compared;In docking process, the revolving speed of transmission input shaft and the revolving speed of engine
Difference can be increasing, when the difference of the revolving speed of transmission input shaft and the revolving speed of engine be greater than preset value when, control mould
Block 223 can be according to analysis result (the i.e. difference of the revolving speed of the revolving speed and engine of transmission input shaft of data analysis module 222
Greater than preset value) clutch 25 into automatic gear-box issues reduces oil pressure instruction so that in automatic gear-box from
Clutch 25 is in half-clutch state, so that the revolving speed of transmission input shaft can be close to the revolving speed of same time engine, i.e.,
Reduce the difference of the revolving speed of transmission input shaft and the revolving speed of engine, in this way, the torsion that engine is additional essentially without compensation
Square, with maintaining the torque of neutral gear to ensure that the stabilization of engine idling, to reduce engine in docking process
Distributive value.
Therefore, automatic gear-box control unit 22 provided in this embodiment reduces the discharge amount and fuel oil of engine
Cost.
Preferably, data acquisition module 221 is issued in clutch 25 of the control module 223 into automatic gear-box reduces oil
After pressure instruction, the oil pressure of clutch 25 can be obtained in real time;Control module 223 can drop to contact in the oil pressure of clutch 25
Point oil pressure or its near when, to clutch 25 issue maintain current oil pressure instruction so that the oil pressure of clutch 25 maintains
Near the oil pressure of contact point, thus, it changes convenient for driving cycles, automobile timely responds to the order of clutch 25 when driving again
Oil pressure.
Data acquisition module 221 is specifically used for: acquisition is mounted on the change that the sensor 21 at transmission input shaft senses
The revolving speed of fast case input shaft, and obtain the revolving speed of the engine in automobile CAN-bus.
Specifically, preset value can be arranged between 40rpm-100rpm.
Particularly, 50rpm can be set by preset value.
Referring to fig. 2, the present embodiment additionally provides a kind of automobile, including above-mentioned automatic gear-box control unit 22, further includes
Gearbox, engine, engine management system 23, CAN bus 24 and clutch 25;
Sensor 21 is installed, the sensor 21 for sensing the gearbox in real time at the input shaft of the gearbox
Input shaft revolving speed and by the revolving speed of the input shaft of the gearbox sensed pass to the automatic gear-box control it is single
Member 22;
The engine management system 23 is used to obtain the revolving speed of the engine in real time and by the revolving speed of the engine
It is sent to the CAN bus 24, the CAN bus 24 is used to the revolving speed of the engine being sent to the automatic gear-box control
Unit 22 processed;
The automatic gear-box control unit 22 is electrically connected with the clutch 25, for controlling the oil of the clutch 25
Pressure.
Automobile provided in this embodiment, the sensor 21 at the input shaft in gearbox are capable of sensing gearbox in real time
The revolving speed of input shaft, and the revolving speed of the input shaft of the gearbox of acquisition can be passed to automatic gear-box control unit;On automobile
Engine management system 23 can obtain the revolving speed of engine in real time, and the revolving speed of the engine of acquisition can be sent to CAN
The rotary speed data of the engine received can be sent to automatic gear-box control unit 22 by bus 24, CAN bus 24.Stopping
During vehicle, the revolving speed that automatic gear-box control unit 22 is capable of revolving speed and engine to the transmission input shaft of acquisition is carried out
Processing, and when the difference that data analysis module 222 is calculated is greater than preset value, the clutch 25 into automatic gear-box is defeated
Send reduction fuel injection pressure signal.
Therefore, automobile provided by the invention has the advantages that all of above-mentioned automatic gear-box control unit 22, reduces hair
The discharge amount and fuel cost of motivation.
In conclusion the embodiment of the invention discloses a kind of clutch control method, automatic gear-box control unit and vapour
Vehicle, which overcome many technological deficiencies of traditional automatic transmission.Clutch control method provided in an embodiment of the present invention, from
Dynamic gear box control unit and automobile, reduce the discharge amount and fuel cost of engine.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations;To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement;And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
In addition, it will be appreciated by those of skill in the art that although some embodiments described herein include other embodiments
In included certain features rather than other feature, but the combination of the feature of different embodiments mean it is of the invention
Within the scope of and form different embodiments.For example, embodiment claimed is appointed in claims above
Meaning one of can in any combination mode come using.The information disclosed in the background technology section is intended only to deepen to this
The understanding of the general background technology of invention, and be not construed as recognizing or implying in any form that information composition has been ability
The prior art well known to field technique personnel.
Claims (8)
1. a kind of clutch control method, which is characterized in that be applied to automatic gear-box control unit, the method includes as follows
Step:
The revolving speed of transmission input shaft and the revolving speed of engine are obtained in docking process;
Calculate the difference of the revolving speed of the transmission input shaft and the revolving speed of the engine;
When the difference is greater than preset value, the clutch into automatic gear-box, which issues, reduces oil pressure instruction, makes the clutch
Device is in half-clutch state, to reduce the difference of the revolving speed of transmission input shaft and the revolving speed of engine;
The oil pressure of the clutch is obtained in real time;
When the oil pressure of the clutch drops to contact point oil pressure, Xiang Suoshu clutch, which issues, maintains current oil pressure instruction.
2. clutch control method according to claim 1, which is characterized in that the revolving speed for obtaining transmission input shaft
With the revolving speed of engine, specifically include:
It is mounted on the revolving speed that the sensor at the transmission input shaft senses the transmission input shaft in real time, the automatic change
Fast case control unit obtains the revolving speed for the transmission input shaft that the sensor senses;
The revolving speed of the engine is sent to automobile CAN-bus, the automatic gear-box control unit by engine management system
Obtain the revolving speed of the engine in the automobile CAN-bus.
3. clutch control method according to claim 1, which is characterized in that the range of the preset value is 40rpm-
100rpm。
4. clutch control method according to claim 3, which is characterized in that the preset value is 50rpm.
5. a kind of automatic gear-box control unit characterized by comprising
Data acquisition module, for obtaining the revolving speed of transmission input shaft and the revolving speed of engine in docking process;
Data analysis module, for calculating the difference of the revolving speed of the transmission input shaft and the revolving speed of the engine;
Control module, for when the difference is greater than preset value, the clutch into automatic gear-box to issue reduction oil pressure and refers to
It enables, so that the clutch is in half-clutch state, to reduce the difference of the revolving speed of transmission input shaft and the revolving speed of engine;
The data acquisition module is also used to after the control module issues the instruction for reducing oil pressure to the clutch, real
When obtain the oil pressure of the clutch;
The control module is also used to when the oil pressure of the clutch drops to contact point oil pressure, and Xiang Suoshu clutch issues dimension
Hold current oil pressure instruction.
6. automatic gear-box control unit according to claim 5, which is characterized in that the data acquisition module is specifically used
In:
The revolving speed for being mounted on the transmission input shaft that the sensor at the transmission input shaft senses is obtained, and is obtained
Take the revolving speed of the engine in automobile CAN-bus.
7. automatic gear-box control unit according to claim 5, which is characterized in that the range of the preset value is
40rpm-100rpm.
8. a kind of automobile, which is characterized in that further include becoming including automatic gear-box control unit as claimed in claims 6 or 7
Fast case, engine, engine management system, CAN bus and clutch;
Sensor is installed, the sensor is used to sense the input shaft of the gearbox in real time at the input shaft of the gearbox
Revolving speed and the revolving speed of the input shaft of the gearbox sensed is passed into the automatic gear-box control unit;
The engine management system is used to obtain the revolving speed of the engine in real time and is sent to the revolving speed of the engine
The CAN bus, the CAN bus are used to the revolving speed of the engine being sent to the automatic gear-box control unit;
The automatic gear-box control unit is electrically connected with the clutch, for controlling the oil pressure of the clutch.
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CN201910065736.XA CN109441976B (en) | 2019-01-24 | 2019-01-24 | Clutch control method, automatic gear-box control unit and automobile |
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CN201910065736.XA CN109441976B (en) | 2019-01-24 | 2019-01-24 | Clutch control method, automatic gear-box control unit and automobile |
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CN109441976B true CN109441976B (en) | 2019-07-05 |
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1171084A (en) * | 1994-09-23 | 1998-01-21 | 康斯贝格汽车公司 | Control for automatically operated clutch |
DE102011009479A1 (en) * | 2010-01-29 | 2011-12-01 | GM Global Technology Operations LLC | Clutch slip recovery system and method |
CN102635692A (en) * | 2012-01-16 | 2012-08-15 | 浙江吉利汽车研究院有限公司 | Clutch neutral gear stopping device for automobile automatic transmission |
CN104863988A (en) * | 2015-04-10 | 2015-08-26 | 北汽福田汽车股份有限公司 | Vehicle, as well as a clutch operating mechanism, control system and method |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE112011105583T5 (en) * | 2011-08-29 | 2014-05-28 | Toyota Jidosha Kabushiki Kaisha | Vehicle control system |
-
2019
- 2019-01-24 CN CN201910065736.XA patent/CN109441976B/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1171084A (en) * | 1994-09-23 | 1998-01-21 | 康斯贝格汽车公司 | Control for automatically operated clutch |
DE102011009479A1 (en) * | 2010-01-29 | 2011-12-01 | GM Global Technology Operations LLC | Clutch slip recovery system and method |
CN102635692A (en) * | 2012-01-16 | 2012-08-15 | 浙江吉利汽车研究院有限公司 | Clutch neutral gear stopping device for automobile automatic transmission |
CN104863988A (en) * | 2015-04-10 | 2015-08-26 | 北汽福田汽车股份有限公司 | Vehicle, as well as a clutch operating mechanism, control system and method |
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CN109441976A (en) | 2019-03-08 |
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