CN104279320A - Gear-shifting control system of hydraulic automatic transmission - Google Patents
Gear-shifting control system of hydraulic automatic transmission Download PDFInfo
- Publication number
- CN104279320A CN104279320A CN201310267519.1A CN201310267519A CN104279320A CN 104279320 A CN104279320 A CN 104279320A CN 201310267519 A CN201310267519 A CN 201310267519A CN 104279320 A CN104279320 A CN 104279320A
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- CN
- China
- Prior art keywords
- chip microcomputer
- clutch
- circuit
- mechanical transmission
- control apparatus
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/04—Smoothing ratio shift
- F16H61/06—Smoothing ratio shift by controlling rate of change of fluid pressure
- F16H61/061—Smoothing ratio shift by controlling rate of change of fluid pressure using electric control means
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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
- F16H61/06—Smoothing ratio shift by controlling rate of change of fluid pressure
- F16H61/061—Smoothing ratio shift by controlling rate of change of fluid pressure using electric control means
- F16H2061/062—Smoothing ratio shift by controlling rate of change of fluid pressure using electric control means for controlling filling of clutches or brake servos, e.g. fill time, fill level or pressure during filling
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- Control Of Transmission Device (AREA)
Abstract
The invention discloses a gear-shifting control system of a hydraulic automatic transmission. The gear-shifting control system of the hydraulic automatic transmission comprises a turbine, an engine output shaft, a first clutch, a second clutch, a rotation speed signal processing circuit, an analog signal processing circuit, a PWM electromagnetic valve power driving circuit, an electromagnetic valve and a single chip microcomputer, wherein the turbine and the engine output shaft are each connected with the single chip microcomputer through the rotation speed signal processing circuit, the first clutch and the second clutch are each connected with the single chip microcomputer through the analog signal processing circuit, and the single chip microcomputer is connected with the single chip microcomputer through the PWM electromagnetic valve power driving circuit. The gear-shifting control system of the hydraulic automatic transmission carries out buffering control over an oil charging process of a gear-shifting clutch, guarantees smooth and steady increase of friction moment of the clutch, and enables the gear-shifting process to be in smooth transition.
Description
Technical field
The present invention relates to technical field of automobile control, be specifically related to a kind of hydrodynamic mechanical transmission shifting control system.
Background technique
So-called shift quality, just refers to the stationarity of shift process.To the quality requirements of shift process, require that shift process can steadily and not carry out with impacting exactly.The shift quality of research hydrodynamic mechanical transmission controls, automatic transmission is made up of the fluid torque converter and stabilized shaft gearbox with lockup clutch, adopt the automatic Control System of digitizing electricity liquid, belong to the gearshift mode of clutch-clutch, namely by the various combination of shift clutch Engage and disengage in speed changer, the transmission speed ratio of different gear is realized.
Summary of the invention
Instant invention overcomes the deficiencies in the prior art, the hydrodynamic mechanical transmission shift control apparatus that a kind of shift quality is controlled well is provided.
Consider the problems referred to above of prior art, according to an aspect of the present invention, for solving above-mentioned technical problem, the present invention by the following technical solutions:
A kind of hydrodynamic mechanical transmission shifting control system, comprises turbine, engine output shaft, first clutch, second clutch, tach signal processing circuit, analog signal processing circuit, PWM solenoid valve power driving circuit, solenoid valve and single-chip microcomputer; Described turbine is connected with single-chip microcomputer respectively by described tach signal processing circuit with engine output shaft, described first clutch is connected with single-chip microcomputer respectively by described analog signal processing circuit with second clutch, and described single-chip microcomputer is connected with described single-chip microcomputer by PWM solenoid valve power driving circuit again.
In order to realize the present invention better, further technological scheme is:
According to one embodiment of present invention, also comprise clock circuit, described clock circuit is connected with single-chip microcomputer.
According to one embodiment of present invention, also comprise reset circuit, described reset circuit is connected with described single-chip microcomputer.
According to one embodiment of present invention, also comprise power supply processing module, described power supply processing module is connected with described single-chip microcomputer.
According to one embodiment of present invention, also comprise voltage monitoring module, described voltage monitoring module is connected with described single-chip microcomputer.
According to one embodiment of present invention, also comprise EEPROM, described EEPROM is connected with described single-chip microcomputer.
According to one embodiment of present invention, also comprise flash storage, described flash storage is connected with described single-chip microcomputer.
According to one embodiment of present invention, also comprise serial communication circuit, described serial communication circuit is connected with described single-chip microcomputer.
According to one embodiment of present invention, also comprise data collection and analysis circuit, described data collection and analysis circuit is connected with described serial communication circuit.
The present invention can also be:
According to one embodiment of present invention, described single-chip microcomputer is MC68376 single-chip microcomputer.
Compared with prior art, one of beneficial effect of the present invention is:
Hydrodynamic mechanical transmission shift control apparatus of the present invention, in moment of torsion phase, the overlap joint sequential of shift clutch oil charging-discharging is accurately controlled, to meet the gearshift overlap joint Controlling principle of automatic transmission upshift process binding member, thus avoid two executive components overlapping too much or the impact that causes of power interruption; In inertia phase, cushioning control is carried out to shift clutch Oil feeding process, guarantee that clutch frictional torque steadily increases, make shift process smooth transition.
Accompanying drawing explanation
In order to clearer explanation present specification embodiment or technological scheme of the prior art, below the accompanying drawing used required in the description to embodiment or prior art is briefly described, apparently, the accompanying drawing that the following describes is only the reference to some embodiments in present specification, for those skilled in the art, when not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 shows the structural representation of hydrodynamic mechanical transmission shifting control system according to an embodiment of the invention.
Wherein, the name corresponding to the reference character in accompanying drawing is called:
101-turbine, 102-engine output shaft, 103-first clutch, 104-second clutch, 105-tach signal processing circuit, 106-analog signal processing circuit, 107-PWM solenoid valve power driving circuit, 108-solenoid valve, 109-single-chip microcomputer, 110-clock circuit, 111-reset circuit, 112-power supply processing module, 113-voltage monitoring module, 114-EEPROM, 115-Flash storage, 116-serial communication circuit, 117-data collection and analysis circuit.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited thereto.
Embodiment 1
Fig. 1 shows the structural representation of hydrodynamic mechanical transmission shift control apparatus according to an embodiment of the invention.A kind of hydrodynamic mechanical transmission shifting control system as shown in Figure 1, comprises turbine 101, engine output shaft 102, first clutch 103, second clutch 104, tach signal processing circuit 105, analog signal processing circuit 106, PWM solenoid valve power driving circuit 107, solenoid valve 108 and single-chip microcomputer 109; Described turbine 101 is connected with single-chip microcomputer 109 respectively by described tach signal processing circuit 105 with engine output shaft 102, described first clutch 103 is connected with single-chip microcomputer 109 respectively by described analog signal processing circuit 106 with second clutch 104, and described single-chip microcomputer 109 is connected with described single-chip microcomputer 109 by PWM solenoid valve power driving circuit 107 again.
Continue as shown in Figure 1, also comprise clock circuit 110, described clock circuit 110 is connected with single-chip microcomputer 109.
Also comprise reset circuit 111, described reset circuit 111 is connected with described single-chip microcomputer 109.
Also comprise power supply processing module 112, described power supply processing module 112 is connected with described single-chip microcomputer 109.
Also comprise voltage monitoring module 113, described voltage monitoring module 113 is connected with described single-chip microcomputer 109.
Also comprise EEPROM 114, described EEPROM 114 is connected with described single-chip microcomputer 109.
Also comprise flash storage 115, described flash storage 115 is connected with described single-chip microcomputer 109.
Also can comprise serial communication circuit 116, described serial communication circuit 116 is connected with described single-chip microcomputer 109; Also comprise data collection and analysis circuit 117, described data collection and analysis circuit 117 is connected with described serial communication circuit 116.
Described single-chip microcomputer 109 can be MC68376 single-chip microcomputer.
Embodiment 2
In order to comprehensive study various factors is on the impact of shift process stationarity, and further for shift quality controls to provide theoretical foundation, mechanical analysis is done to self-shifting transient process.This speed changer is the comprehensive speed changer of Three Degree Of Freedom fixed shaft type, and wherein, first clutch, second clutch are on I axle, and they are by forming different gears from the various combination between the clutch of II, III axle.Rise 2 gears at 1 gear, when 3 gears rise 4 gears and 5 gears rise 6 gear, the clutch of II, III axle is in bonding state, only needs first clutch to drain the oil, the oil-filled conversion that can realize gear of second clutch.
In moment of torsion phase, the overlap joint sequential of shift clutch oil charging-discharging is accurately controlled, to meet the gearshift overlap joint Controlling principle of automatic transmission upshift process binding member, thus avoid two executive components overlapping too much or the impact that causes of power interruption; In inertia phase, cushioning control is carried out to shift clutch Oil feeding process, guarantee that clutch frictional torque steadily increases, make shift process smooth transition.
In this specification, each embodiment adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiment, identical similar portion cross-reference between each embodiment.
Although with reference to multiple explanatory embodiment of the present invention, invention has been described here, but, should be appreciated that, those skilled in the art can design a lot of other amendment and mode of execution, these amendments and mode of execution will drop within spirit disclosed in the present application and spirit.
Claims (10)
1. a hydrodynamic mechanical transmission shifting control system, it is characterized in that, comprise turbine, engine output shaft, first clutch, second clutch, tach signal processing circuit, analog signal processing circuit, PWM solenoid valve power driving circuit, solenoid valve and single-chip microcomputer; Described turbine is connected with single-chip microcomputer respectively by described tach signal processing circuit with engine output shaft, described first clutch is connected with single-chip microcomputer respectively by described analog signal processing circuit with second clutch, and described single-chip microcomputer is connected with described single-chip microcomputer by PWM solenoid valve power driving circuit again.
2. hydrodynamic mechanical transmission shift control apparatus according to claim 1, is characterized in that, also comprise clock circuit, and described clock circuit is connected with single-chip microcomputer.
3. hydrodynamic mechanical transmission shift control apparatus according to claim 1, is characterized in that, also comprise reset circuit, and described reset circuit is connected with described single-chip microcomputer.
4. hydrodynamic mechanical transmission shift control apparatus according to claim 1, is characterized in that, also comprise power supply processing module, and described power supply processing module is connected with described single-chip microcomputer.
5. hydrodynamic mechanical transmission shift control apparatus according to claim 1, is characterized in that, also comprises voltage monitoring module, and described voltage monitoring module is connected with described single-chip microcomputer.
6. hydrodynamic mechanical transmission shift control apparatus according to claim 1, is characterized in that, also comprise EEPROM, and described EEPROM is connected with described single-chip microcomputer.
7. hydrodynamic mechanical transmission shift control apparatus according to claim 1, is characterized in that, also comprise flash storage, and described flash storage is connected with described single-chip microcomputer.
8. hydrodynamic mechanical transmission shift control apparatus according to claim 1, is characterized in that, also comprise serial communication circuit, and described serial communication circuit is connected with described single-chip microcomputer.
9. hydrodynamic mechanical transmission shift control apparatus according to claim 8, is characterized in that, also comprises data collection and analysis circuit, and described data collection and analysis circuit is connected with described serial communication circuit.
10. hydrodynamic mechanical transmission shift control apparatus according to claim 1, is characterized in that, described single-chip microcomputer is MC68376 single-chip microcomputer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310267519.1A CN104279320A (en) | 2013-07-01 | 2013-07-01 | Gear-shifting control system of hydraulic automatic transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310267519.1A CN104279320A (en) | 2013-07-01 | 2013-07-01 | Gear-shifting control system of hydraulic automatic transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104279320A true CN104279320A (en) | 2015-01-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310267519.1A Pending CN104279320A (en) | 2013-07-01 | 2013-07-01 | Gear-shifting control system of hydraulic automatic transmission |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106402375A (en) * | 2016-10-14 | 2017-02-15 | 北京理工大学 | Automatic gear shifting device for track vehicle fixed-axis gearbox and using method for automatic gear shifting device |
| CN107448595A (en) * | 2017-09-15 | 2017-12-08 | 北京理工大学 | The electro-hydraulic steerable system and control method of a kind of hydrodynamic mechanic automatic transmission |
| CN107923525A (en) * | 2015-09-09 | 2018-04-17 | 加特可株式会社 | The control device of vehicle-use transmission mechanism |
| CN111536230A (en) * | 2020-05-12 | 2020-08-14 | 南京劲力变速器科技有限公司 | Static gear shifting control method of automatic gearbox |
-
2013
- 2013-07-01 CN CN201310267519.1A patent/CN104279320A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107923525A (en) * | 2015-09-09 | 2018-04-17 | 加特可株式会社 | The control device of vehicle-use transmission mechanism |
| CN107923525B (en) * | 2015-09-09 | 2019-07-12 | 加特可株式会社 | The control device of vehicle-use transmission mechanism |
| CN106402375A (en) * | 2016-10-14 | 2017-02-15 | 北京理工大学 | Automatic gear shifting device for track vehicle fixed-axis gearbox and using method for automatic gear shifting device |
| CN106402375B (en) * | 2016-10-14 | 2019-03-29 | 北京理工大学 | A kind of endless-track vehicle stabilized shaft gearbox automatic gear shift apparatus and application method |
| CN107448595A (en) * | 2017-09-15 | 2017-12-08 | 北京理工大学 | The electro-hydraulic steerable system and control method of a kind of hydrodynamic mechanic automatic transmission |
| CN107448595B (en) * | 2017-09-15 | 2019-09-13 | 北京理工大学 | A kind of electro-hydraulic steerable system and control method of hydrodynamic mechanic automatic transmission |
| CN111536230A (en) * | 2020-05-12 | 2020-08-14 | 南京劲力变速器科技有限公司 | Static gear shifting control method of automatic gearbox |
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Application publication date: 20150114 |