CN1043778A - Controller of gear-boxes - Google Patents
Controller of gear-boxes Download PDFInfo
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- CN1043778A CN1043778A CN 88105196 CN88105196A CN1043778A CN 1043778 A CN1043778 A CN 1043778A CN 88105196 CN88105196 CN 88105196 CN 88105196 A CN88105196 A CN 88105196A CN 1043778 A CN1043778 A CN 1043778A
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- gear
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- transmission device
- electric motor
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- Gear-Shifting Mechanisms (AREA)
Abstract
Controller of gear-boxes of the present invention.Has the detection device that can detect the electric motor revolution of selecting transmission device; And has according to detected signal the learning device of the pivotal position of learning and mastering and the corresponding electric motor of each chosen position; The learning value that obtains according to learning device is selected control then.
Description
The present invention relates to the control gear of vehicle-use transmission case, in more detail, relate to realize the control gear in the variable speed drive of gearbox variable speed operation.
In recent years, develop and utilize microcomputer to realize ECT Electronic Controlled Transmission, as the vehicle-use transmission case.
The variable speed drive of this automatic transmission case generally adopts hydraulic motor.
But, when using hydraulic motor, just must be furnished with the control valve that oil pressure is supplied with in the hydraulic generator that certain oil pressure can be provided, the oil hydraulic circuit that connects hydraulic generator and hydraulic motor and control.Therefore, exist that not only device volume is big, weight is big, and problem such as cost is also high.
In order to address the above problem, proposed to adopt the variable speed drive of electric motor.
For example, Japan's special permission application bulletin: special public clear 61-45093 number is exactly the control gear of the variable speed drive of this employing electric motor.
The control system of variable speed drive is to adopt following structure in the last example, establishes travelling contact on the gear by electrical motor driven that is:, and joining with this travelling contact is provided with a pair of fixed contact.Simultaneously, also be provided with two and drive the loop, the first driving loop is to join with this end to fixed contact, and according to right-handed instruction above-mentioned electric motor is turned right; The second driving loop is to join with this other end to fixed contact, and according to the instruction of turning left above-mentioned electric motor is turned left, and according to the output of said fixing contact, realizes the above-mentioned electric motor of drive controlling.
But, in variable speed drive, particularly carry out in the selection transmission device of selection operation at needs, controlling several chosen position requirements has higher positional accuracy.And, and the amount of movement of transmission device is the relation between corresponding each chosen position of the amounts of rotation of electric motor, size error and the gear reasons such as wearing and tearing in use on making owing to gear and transmission device, each gearbox all can have certain difference.
Yet, in last example, travelling contact and fixed contact be according to design be arranged on the corresponding position of each chosen position on, thereby it exists and can not adapt to owing to reasons such as the size error in gear and the transmission device manufacturing and gear in use wear and tear produce the problem that each gearbox is selected the variation of position.
The purpose of this invention is to provide a kind of controller of gear-boxes, it can be according to size error in gear and the transmission device manufacturing and the wearing and tearing in the using process, implement to regulate control, remain good precision with the chosen position that guarantees each gearbox.
Have following structure according to controller of gear-boxes provided by the present invention, that is: have and can control the selection transmission device that the inner control bar moves along preferential direction, this inner control bar be be installed in several speed change levers on several speed change pieces engage; The gear change control device that makes the variable speed drive that the inner control bar moves along preferential direction is arranged, and it includes the electric motor that constitutes above-mentioned selection transmission device; The detection device that detects the electric motor revolution is arranged; Simultaneously, learning device is arranged, this device can be learnt pivotal position with the corresponding electric motor of above-mentioned each chosen position of inner control bar according to the given signal of detection device; And the memory that the pivotal position numerical value of the electric motor of can the mnemonic learning device being grasped is arranged; And the control gear of control electric motor, this device can be controlled and select transmission device to realize action according to the numerical value that memory write down.
The other objects and features of the invention can obtain understanding more clearly from following explanation.
Fig. 1 (a) is an embodiment's of an expression gear change control device of the present invention structural drawing; Fig. 1 (b) is the explanatory drawing of variable speed type in the gear change control device shown in Fig. 1 (a); Fig. 2 is the drive circuit figure of the electric motor that adopts of gear change control device of the present invention; Fig. 3 is that the electric current that flows through electric motor changes when being used for representing that apparatus of the present invention realize speed change; Flow chart when Fig. 4 is the operation of expression apparatus of the present invention; The 5th figure is the flow charts of expression apparatus of the present invention when realizing other operations.
The explanation of concrete device
To utilize accompanying drawing to describe the embodiment of the invention in detail below.
Fig. 1 (a) is an embodiment's of gear change control device of the present invention brief configuration figure; Fig. 1 (b) is the explanatory drawing of variable speed type in the gear change control device shown in Fig. 1 (a); Fig. 2 is the drive circuit figure of the electric motor that adopts of gear change control device of the present invention; Fig. 3 is used for representing apparatus of the present invention when realizing speed change, and the electric current that flows through electric motor changes.
In Fig. 1 (a), the 1st, variable speed drive, it is to link by electric motor 11, reducing gear 12 and with this reducing gear 12 and can constitute along the connecting rod 13 of the moving linearly of direction shown in the arrow A.Wherein, reducing gear 12 is a switching mechanism, and the rotatingshaft of it and electric motor 11 links, and the rotation of electric motor can be slowed down, and rotation motion can also be converted to straight line motion simultaneously.Stroke detector 14 is used for measuring the mobile position of the connecting rod 13 in this variable speed drive 1, and with the mobile position signal of stroke detector 14 determined connecting rods 13, as the input of following mentioned controller 5.
The 21st, adopt pin to be connected also and can to relatively rotate between the speed Control bar, its end and above-mentioned connecting rod 13, and the other end and speed Control bar axle 22 link.
The 2nd, the inner control bar is terminated at spline 221 places on the above-mentioned speed Control bar axle 22 on it, matches and can slide vertically with the form of spline; Its underpart 23 respectively be installed in connection rod of gear shifting 35,36,37,38 on speed change piece 31,32,33,34 engage.
39 are mounted in the fast reverse shift fork of using on the connection rod of gear shifting 36 of 2 speed-3, and it and the fast clutch sleeve with synchromesh gear (not drawing among the figure) of gearbox 2 speed-3 engage.Simultaneously, the reverse shift fork identical with reverse shift fork 39 is installed also on above-mentioned connection rod of gear shifting 35,37,38, these reverse shift forks also engage with clutch sleeve with, 6 speed with the 1 speed-usefulness that falls back, 4 speed-5 speed equally respectively.
The 4th, select transmission device, it and above-mentioned variable speed drive 1 are similar, also link by electric motor 41, reducing gear 42 and with this reducing gear and can form along the connecting rod 43 of the moving linearly of direction shown in the arrow B.Wherein, reducing gear 42 is a switching mechanism, and the rotatingshaft of it and electric motor 41 links, and the rotation of its electric motor is slowed down, and rotation motion can be converted to straight line motion.The 44th, select controlling rod, its end is installed on the connecting rod 43 of selecting transmission device 4, and meets at right angles with it; The other end is processed to shift fork shape, engages with the middle part of above-mentioned inner control bar 2.
45 are mounted in the rotary encoder on the electric motor 41 of this selection transmission device 4, and its output signal will be as the input of following controller.
The following describes the action of the speed changing operating mechanism that has said structure.
When the electric motor 41 of selecting transmission device 4 rotates, by reducing gear 42, drive link 43 moves along the arrow B direction, and by selecting controlling rod 44 to drive inner control bar 2 endwisely slipping along speed Control bar axle 22, thereby make inner control bar 2 underparts 23 select the engagement positio with speed change piece 31,32,33,34, finish selection operation.
Then, the electric motor 11 of variable speed drive 1 rotates, by reducing gear 12, drive link 13 moves along the arrow A direction, and by 22 rotations of speed Control bar 21 drive speed Control bar axles, rotate thereby drive inner control bar 2, the speed change piece that engages with its lower end 23 is moved, thereby finish variable speed operation.
As mentioned above, according to the suitable action of selecting transmission device 4 and variable speed drive 1, just can finish the variable speed operation of each gear stage of variable speed type shown in the 1st figure (b).
The 5th, by the controller that microcomputer constitutes, it has the CCU that can carry out logical operation, variously is used for storing the control program of gear and below with the storage of the learning value mentioned and input, output circuit.Controller 5 will descend column signal as its input signal, that is: the signal of the acceleration detection device 54 of the degree that depresses of the signal of the speed of vehicle detector 53 of the signal of the signal of stroke detector 14, rotary encoder 45, the signal that detects the selection detector 51 of driver-operated selection controlling rod position, the signal that detects the clutch detector 52 of clutch state, the detection vehicle speed of travel and detection accelerator pedal.
The 2nd figure is above-mentioned variable speed drive 1 and selects electric motor 11 in the transmission device 4 and 41 drive circuit figure.Transistor Q among the figure
1～Q
4With the crystal diode D that shields
1～D
4, connect the formation bridge circuit, and cross electric motor 11(or 41 by control flows) and sense of current, realize controlling its sense of rotation.For example, when the terminal I adds control signal to the right, transistor Q
1And Q
4Conducting forms Q
1→ motor 11(or 41) → Q
4→ R
1The galvanic circle, electric motor 11(or 41) rotate along arrow r direction, electrical current is in small resistance resistance R
1Last generation voltage drop V.Simultaneously, can utilize control to be added in the size of the control signal power on the terminal I of right side, control and offer motor 11(or 41) the size of electric power, thereby realized motor 11(or 41 easily) torque control.Because the variation of the torque of motor generally is to be directly proportional with the electric power that is provided, so by measuring resistor R
1On pressure drop V or the electric current that is flow through, just can detect motor 11(or 41) the load size.
When the terminal II applies control signal to the left, also can pass through measuring resistor R equally
2On voltage drop or the electric current that flows through, detect motor 11(or 41) the load size.
When the 3rd figure is variable speed operation, drive the change curve of the motor current of variable speed drive, its abscissa is the gear shift stroke from mid point N to the purpose shift pattern, and y coordinate is the electric current that flows through motor.In the X scope, the electric current of the motor of flowing through increases, and its reason is because in the synchromesh gear: the action of synchronizer makes load increase; In the y scope, owing to synchronizer no longer moves, thereby the minimizing of the load current of motor, when the executive component in the speed change gear arrived specified position, electric current just was cut off.The Z point be the synchromesh gear locking range finish, to the point of asynchronous scope transition, by detecting motor current in the gear-change operation, just can see that according to the minimizing process of electric current beginning current value at this point is a steady state.
Therefore, current value Z ' and gear shift stroke that Z is ordered store as learning value, just can judge in the gear-change operation by detecting motor current, from the transition of locking range to asynchronous scope.
The 4th figure is the process flow figure of one of present embodiment operation, illustrates that below with reference to the 4th figure gear shift moves the processing method of control.
In step 1, judge at first in the storage of controller 5 that the learning value of existing locking range whether if learning value is deposited in then enter step 2, is carried out power control, drive motor 11 according to setting value.In step 3, the signal that is provided according to stroke sensor 14 obtains the gear shift travel information, judges the gear shift stroke whether in locking range X in step 4, and when the gear shift stroke was in the X scope, program just circulated between step 2,3 repeatedly.
In step 4,, then in step 5, be that CLV ceiling limit value is carried out power control, drive motor 11 with the current value of Z ' if judge the gear shift stroke not within the X scope.In step 6,, obtain the numerical value of gear shift stroke according to the signal that gear shift stroke detector 14 is provided; In step 7, whether judge the trip numerical value still continuing variation, when this gear shift travel values arrived setting value, this mechanism had just arrived the destination locations of gear shift, and the handling process of this process leaves it at that.In this occasion, owing in step 5, control, limited the size of current value by power, so, when executive component arrives the gear shift destination locations, can not give gear with excessive impact.
If in above-mentioned steps 1, when finding not have the learning value of locking range in the storage, then enter step 9.According to the power control that sets, drive motor 11.In step 10, utilize above-mentioned resistance R
1Or R
2On voltage drop, reading flow is through the current value of motor; In step 11, initial motor current value is compared with current current value, when current current value, then changed in the step 17, and given current value is compared with the motor current value during current value relatively the time less than the last time.If motor current is during less than given value range, the signal that utilizes gear shift stroke detector 14 to be provided in step 18 then obtains the numerical value of gear shift stroke; In step 19, judge whether the numerical value of the gear shift stroke that reads is between two setting values that give setting earlier.If be in two given between the time, then deposit the trip numerical value among the RAM (step 20) as learning value, the power control of setting then, drive motor (step 21), and then judge again whether the gear shift stroke value has arrived given desired value (step 22), when the gear shift travel values is greater than or equal to setting value, then enter step 16, stop drive motor.
In step 11, when the motor current value that reads during, then this current value is deposited in the register, and the signal that utilizes gear shift stroke sensor 14 to be provided greater than initial current value, read the numerical value (step 12,13) of gear shift stroke.Then, in step 14, the trip numerical value is compared with setting value, if less than setting value, then circulation repeatedly between step 10～14.When the trip numerical value during, then this numerical value is replaced original setting value as learning value greater than setting value.Then, enter step 16, stop drive motor.
The 5th figure is each neutral position N in the shift type shown in study Fig. 1 (b)
1, N
2, N
3, N
4Process chart.Selection operation is the umber of pulse given according to rotary coding dish 45, controls motor 42, so at N
1Initialization is exported to coding mask in the position.
At first, according to the signal of selecting detector 51 to be provided, judge to select controlling rod whether to mediate (step 31), and, judge whether the speed of a motor vehicle is whether zero (step 32) and selection study sign are " on " according to the signal that speed of vehicle detector 53 is provided.If the selection controlling rod mediates, the speed of a motor vehicle is zero, when selecting study to be masked as " on ", at first drive selection transmission device 4 to N
1Direction motion (step 34), and the situation of change (step 35) of the umber of pulse of judgement rotary coding dish 45.If this umber of pulse is constantly changing, then circulation repeatedly between step 34 and 35.No longer change if in step 35, find the umber of pulse of rotary coding dish 45, when promptly the lower end 23 of inner control bar 2 contacts with shift block 31, judged whether to experience the time of setting (step 36) again.If surpassed the given time, then the count value with the pulsing counter of encoder 45 is initialized as zero (step 37).
Then, between step 38～41, study neutral position N
4At first drive motor 42, make to select transmission device 4 to N
4Locality moves (step 38), and when the lower end 23 of above-mentioned inner control bar 2 contacts with shift block 34, and the umber of pulse of coding mask 45 is when no longer changing (step 39), and judges and surpassed given time (step 40), chosen position N
4Switch connection the time, with the count value of the pulsing counter of encoder 45 as N
4The learning value of position deposits (step 41) among the RAM in.
In step 42～44, continue study neutral position N
2, N
3
Neutral position N
2, N
3The learning value at place is according to itself and N
4The relation of the learning value at place is calculated out according to certain ratio.This N
2, N
3The position is to be in N
1～N
4During position of halving, can draw N by calculating
2Learning value=1/3 * N
4Learning value, N
3Learning value=2/3 * N
4Learning value deposits them respectively in (step 42 and step 43) among the RAM then, after above-mentioned learning process finishes, will select the study sign to be changed to " ON ".
In the above-mentioned learning process, only be study neutral position N
1, N
2, N
3, N
4Learning value, in step 31,, then will select study sign to remove if not mediating.
As mentioned above, according to the present invention, utilize and detect the revolution of selecting electro-motor in the transmission device, the turned position of can learning and mastering corresponding with each chosen position electro-motor, and based on these learning value, just can process easily the variation of each chosen position of variable-speed motor that produces in the scale error of making and the reasons such as wearing and tearing in the use procedure owing to gear, therefore, always can implement high-precision selection control.
More than be according to the description of drawings of embodiment the present invention, still, the present invention is not limited only to present embodiment, also has various differentiation in main thought scope of the present invention, these differentiation all should belong within the scope of the invention.
Claims (3)
1, gear change control device of the present invention has the selection transmission device, this selection transmission device can order about be installed in several gear shift connecting rods on the inner control bar that engages of several shift block, move to selected direction; Gear change control device of the present invention also has shift transmission device, and this shift transmission device can drive above-mentioned inner control bar and move to gear shift direction.Device of the present invention has following feature:
Constitute the electric motor of above-mentioned selection transmission device;
Detect the detection device of this electric motor revolution;
According to the testing signal that detection device provided, the learning device of the pivotal position of learning and mastering and the corresponding electric motor of above-mentioned each chosen position of inner control bar;
Above-mentioned learning device is resulting is stored the storage device of memory with the learning value corresponding electric motor of each chosen position pivotal position with utilizing;
When selecting the transmission device operation,, electric motor is implemented the control gear of control according to the above-mentioned learning value that storage device is stored.
2, in the controller of gear-boxes according to claim 1, its feature is that also the detection device that detects above-mentioned electric motor revolution is a coding mask, and it is converted to umber of pulse with the motor revolution and detects.
3, controller of gear-boxes according to claim 2, its feature also is above-mentioned learning device, this learning device utilizes following method to learn, that is: at first driving the selection transmission device moves to a direction, move when stopping until it, the pulsing counter of above-mentioned coding mask is initialized as zero; Then, drive to select transmission device to move again, move when stopping, the umber of pulse of above-mentioned coding mask as the total travel value of selecting transmission device, and is extrapolated the numerical value of each chosen position that is positioned at middle of stroke according to certain ratio until it to other direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 88105196 CN1016375B (en) | 1988-12-24 | 1988-12-24 | Controller of gear-boxes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 88105196 CN1016375B (en) | 1988-12-24 | 1988-12-24 | Controller of gear-boxes |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1043778A true CN1043778A (en) | 1990-07-11 |
| CN1016375B CN1016375B (en) | 1992-04-22 |
Family
ID=4833414
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 88105196 Expired CN1016375B (en) | 1988-12-24 | 1988-12-24 | Controller of gear-boxes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1016375B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1078327C (en) * | 1995-03-13 | 2002-01-23 | 株式会社久保田 | Operation auxiliary device |
| CN1296642C (en) * | 2003-10-01 | 2007-01-24 | 现代自动车株式会社 | Shift control apparatus for a transmission |
| CN101861482A (en) * | 2007-11-16 | 2010-10-13 | 瀑溪技术公司 | Controller for variable transmission |
| CN102758912A (en) * | 2012-07-26 | 2012-10-31 | 上海中科深江电动车辆有限公司 | Gear shift system for electric vehicle |
| CN102913613A (en) * | 2012-09-28 | 2013-02-06 | 湖南南车时代电动汽车股份有限公司 | AMT (automatic mechanical transmission) gear position calibration method for hybrid automobiles |
| CN103267118A (en) * | 2013-06-04 | 2013-08-28 | 北京理工大学 | Speed changer gear changing journey parameter automatic calibration system for vehicle and calibration method thereof |
| CN103423428A (en) * | 2013-08-02 | 2013-12-04 | 浙江吉利汽车研究院有限公司 | Gear shifting structure and gear shifting method |
| CN110792765A (en) * | 2018-08-02 | 2020-02-14 | 郑州宇通客车股份有限公司 | Self-learning control method and system for gear position of gearbox |
-
1988
- 1988-12-24 CN CN 88105196 patent/CN1016375B/en not_active Expired
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1078327C (en) * | 1995-03-13 | 2002-01-23 | 株式会社久保田 | Operation auxiliary device |
| CN1296642C (en) * | 2003-10-01 | 2007-01-24 | 现代自动车株式会社 | Shift control apparatus for a transmission |
| US7228753B2 (en) | 2003-10-01 | 2007-06-12 | Hyundai Motor Company | Shift control apparatus for a transmission |
| CN101861482B (en) * | 2007-11-16 | 2014-05-07 | 福博科知识产权有限责任公司 | Controller for variable transmission |
| CN101861482A (en) * | 2007-11-16 | 2010-10-13 | 瀑溪技术公司 | Controller for variable transmission |
| CN102758912B (en) * | 2012-07-26 | 2014-12-31 | 上海中科深江电动车辆有限公司 | Gear shift system for electric vehicle |
| CN102758912A (en) * | 2012-07-26 | 2012-10-31 | 上海中科深江电动车辆有限公司 | Gear shift system for electric vehicle |
| CN102913613A (en) * | 2012-09-28 | 2013-02-06 | 湖南南车时代电动汽车股份有限公司 | AMT (automatic mechanical transmission) gear position calibration method for hybrid automobiles |
| CN102913613B (en) * | 2012-09-28 | 2015-02-25 | 湖南南车时代电动汽车股份有限公司 | AMT (automatic mechanical transmission) gear position calibration method for hybrid automobiles |
| CN103267118A (en) * | 2013-06-04 | 2013-08-28 | 北京理工大学 | Speed changer gear changing journey parameter automatic calibration system for vehicle and calibration method thereof |
| CN103267118B (en) * | 2013-06-04 | 2015-05-20 | 北京理工大学 | Speed changer gear changing journey parameter automatic calibration system for vehicle and calibration method thereof |
| CN103423428A (en) * | 2013-08-02 | 2013-12-04 | 浙江吉利汽车研究院有限公司 | Gear shifting structure and gear shifting method |
| CN103423428B (en) * | 2013-08-02 | 2016-03-30 | 浙江吉利汽车研究院有限公司 | A kind of gear selecting structure and block selecting method |
| CN110792765A (en) * | 2018-08-02 | 2020-02-14 | 郑州宇通客车股份有限公司 | Self-learning control method and system for gear position of gearbox |
| CN110792765B (en) * | 2018-08-02 | 2020-12-08 | 郑州宇通客车股份有限公司 | Self-learning control method and system for gear position of gearbox |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1016375B (en) | 1992-04-22 |
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