CN102606726B - Neutral gear pre-engaging control device of automobile synchronizer - Google Patents
Neutral gear pre-engaging control device of automobile synchronizer Download PDFInfo
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- CN102606726B CN102606726B CN201210086841.XA CN201210086841A CN102606726B CN 102606726 B CN102606726 B CN 102606726B CN 201210086841 A CN201210086841 A CN 201210086841A CN 102606726 B CN102606726 B CN 102606726B
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Abstract
The invention provides a neutral gear pre-engaging control device of an automobile synchronizer, which belongs to the technical field of automobiles and solves the problem that the existing automobiles have the problem of gear shifting delay in a gear shifting process. The neutral gear pre-engaging control device comprises a transmission control unit (TCU), a vehicle speed sensor, an accelerator pedal position sensor, a synchronizer gear engaged mechanism and a collecting piece, wherein the vehicle speed sensor, the accelerator pedal position sensor, the synchronizer gear engaged mechanism and the collecting piece are respectively connected with the TCU. The TCU is used for receiving retaining rod position signals collected by the collecting piece, vehicle speed signals collected by the vehicle speed sensor and accelerator aperture signals collected by the accelerator pedal position sensor; when the retaining rod position signals are judged to be position signals of a neutral gear, pre-established retaining critical variable speed value in the TCU is selected according to the accelerator aperture signals; the vehicle speed signals are compared with the retaining critical variable speed value; simultaneously pre-engaging request signals are output according to the comparative results; and the synchronizer gear engaged mechanism receives the pre-engaging request signals and controls the synchronizer to engage in the pre-engaging gear. The neutral gear pre-engaging control device effectively improves gear shifting efficiency and promotes responsiveness of a transmission.
Description
Technical field
The invention belongs to automobile technical field, relate to a kind of automobile synchronizer neutral pre-hung control gear.
Background technique
The gearshift of old-fashioned speed changer will adopt the mode of bipod clutch, upshift stops a moment at neutral gear position, subtracting gear will at neutral gear position open out, to reduce the speed discrepancy of gear, such operation is needed to be because transmission input shaft and output shaft rotate with respective speed when shifting gears, a stationary problem is there is during conversion gear, two different gears of rotational speed engage by force and impact will inevitably occur, damage gear, the gear shift operation more complicated of old-fashioned speed changer, be difficult to grasp accurately, therefore the automobile produced at present, speed changer is all furnished with synchronizer, make to reach consistent rotating speed and engage smoothly by meshed gears by synchronizer, efficiently avoid the shock of gear, greatly simplify gear shift operation.
But speed changer is when shifting gears, must after synchronizer put into gear, just can carry out clutch and alternately control, therefore, the time that synchronizer is put into gear directly determines gearshift efficiency.But in real process, when shift rod is moved to neutral from traveling gear by driver, synchronizer performs and moves back neutral operation, when shift rod migrates to and travels gear by driver more afterwards, synchronizer needs again to put into gear and causes producing gearshift delay, impact driving efficiency and travelling comfort.
Automatic transmission case control unit, is called for short TCU, is usually used in the automatic transmission such as AMT, AT, DCT, CVT.Automobile automatic gear is an important component part of automobile electrically-controlled technology, makes driving simpler.Adopt computer and power electronics actuation techniques to realize automobile automatic gear, driver can be eliminated and to shift gears the difference of technology, alleviate the labor intensity of driver, improve travel safety, improve power character and the Economy of vehicle.
Summary of the invention
The object of the invention is to there are the problems referred to above for existing technology, propose a kind of for improving gearshift efficiency, promoting speed changer responsiveness and the automobile synchronizer neutral pre-hung control gear of quick transferring power.
Object of the present invention realizes by following technical proposal: a kind of automobile synchronizer neutral pre-hung control gear, it is characterized in that, this control gear comprises TCU, the vehicle speed sensor be connected with TCU respectively, accelerator pedal position sensor, synchronizer is put into gear mechanism and the collection part for gathering shift rod position signal, the shift rod position signal that described TCU gathers for receiving above-mentioned collection part, the vehicle speed signal that vehicle speed sensor gathers and the accelerator opening amount signal that accelerator pedal position sensor gathers, choose the gear preset in TCU critical speed change value according to above-mentioned accelerator opening amount signal when judging that shift rod position signal is the position signal of neutral and above-mentioned vehicle speed signal and the critical speed change value of gear are contrasted, export pre-hung gear demand signal according to comparative result simultaneously, described synchronizer puts into gear mechanism for receiving above-mentioned pre-hung gear demand signal and control synchro is linked into pre-hung gear.
This automobile synchronizer neutral pre-hung control gear, in vehicle travel process, when the shift rod position signal that TCU receives the conveying of collection part is neutral gear position signal, TCU chooses the gear preset in TCU critical speed change value according to the accelerator opening amount signal of accelerator pedal position sensor collection and the vehicle speed signal of vehicle speed sensor collection and the critical speed change value of gear preset is contrasted, its gear critical speed change value is the gear corresponding with certain speed of a motor vehicle and certain accelerator open degree stored in TCU, TCU judges that then pre-hung gear is the gear that a gear falls in former gear when vehicle speed signal is less than gear critical speed change value, when vehicle speed signal is greater than gear critical speed change value, then pre-hung gear is the gear that former gear rises a gear, TCU exports pre-hung gear demand signal according to this judged result, to synchronizer mechanism of putting into gear, synchronizer is linked into pre-hung gear in advance, when this pre-hung gear is consistent with the actual gear that will be linked into of driver, clutch combination can be carried out immediately, realize quick transferring power, improve gearshift efficiency.
In above-mentioned automobile synchronizer neutral pre-hung control gear, described TCU is for storing the speed setting value of motoring condition and judging when above-mentioned vehicle speed signal is less than described speed setting value, export pre-hung one to keep off demand signal and to put into gear mechanism to synchronizer, described synchronizer puts into gear mechanism for receiving above-mentioned pre-hung one and keep off demand signal and control synchro being linked into a gear.Speed setting value is set as the numerical value close to zero, TCU judges when the vehicle speed signal of vehicle speed sensor collection is less than speed setting value, illustrate that vehicle is close to halted state, vehicle is in starting state, and TCU directly exports pre-hung one and keeps off demand signal and make synchronizer mechanism controls synchronizer of putting into gear be linked into a gear to synchronizer mechanism of putting into gear; TCU judges when vehicle speed signal is greater than speed setting value, then choose gear critical speed change value according to accelerator opening amount signal and vehicle speed signal and the critical speed change value of gear are contrasted, TCU exports pre-hung gear demand signal according to comparative result and to put into gear mechanism to synchronizer, synchronizer put into gear mechanism then control synchro be linked into pre-hung gear.
In above-mentioned automobile synchronizer neutral pre-hung control gear, this device also comprises the synchronizer position transducer be connected with TCU, described synchronizer position transducer is for gathering synchronizer position signal, described TCU receive synchronizer position signal from actual be linked into gear different time, control synchro put into gear the pre-hung of mechanism releases synchronizer gear and synchronizer is linked into correct gear.
In above-mentioned automobile synchronizer neutral pre-hung control gear, the declutch shift shaft that described synchronizer gear mechanism is comprised motor and is connected with motor by driving mechanism.Its motor rotates when receiving the pre-hung gear demand signal that TCU sends and drives driving mechanism, thus synchronizer is linked into pre-hung gear by promotion declutch shift shaft.
In above-mentioned automobile synchronizer neutral pre-hung control gear, described collection part comprises shift rod multifunction switch.
In above-mentioned automobile synchronizer neutral pre-hung control gear, described shift rod multifunction switch to be contained on case of transmission and to be connected with block selecting bar, for inputting block selecting bar position signal to above-mentioned TCU.
In above-mentioned automobile AMT garage, gearshift is put into gear in control gear in advance, and described collection part is manual valve position switch, and described manual valve position switch is connected with above-mentioned TCU.
In above-mentioned automobile synchronizer neutral pre-hung control gear, described TCU comprises microcontroller, sensor interface circuitry, output interface circuit and storage, described storage is for storing the speed setting value carrying out with the speed of a motor vehicle contrasting, carry out with accelerator opening amount signal the preset value that contrasts and judge the critical speed change value of the gear of pre-hung gear, above-mentioned collection part, vehicle speed sensor, accelerator pedal position sensor is connected with microcontroller respectively by sensor interface circuitry with synchronizer position transducer, above-mentioned synchronizer mechanism of putting into gear is connected with microcontroller by output interface circuit.
Compared with prior art, this automobile synchronizer neutral pre-hung control gear has the following advantages:
1, the present invention judges pre-hung gear when gear is neutral according to the speed of a motor vehicle and accelerator open degree and synchronizer is linked into pre-hung gear in advance, when the actual gear that will be linked into is consistent with pre-hung gear, can transmission of power be realized, there is the fast and power transmission efficiency advantages of higher of gearshift efficiency high, speed changer response.
2, the present invention can also contrast according to the synchronizer position signal of synchronizer position transducer collection and the actual gear that is linked into, and when pre-hung gear is incorrect, correct gear is also linked into by Rapid reversal pre-hung gear, improves the accuracy of pre-hung gear.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is flow chart of the present invention.
In figure, 1, gather part; 2, vehicle speed sensor; 3, accelerator pedal position sensor; 4, synchronizer position transducer; 5, TCU; 51, sensor interface circuitry; 52, storage; 53, microcontroller; 54, output interface circuit; 6, synchronizer is put into gear mechanism.
Embodiment
Be below specific embodiments of the invention and by reference to the accompanying drawings, technological scheme of the present invention is further described, but the present invention be not limited to these embodiments.
As shown in Figure 1, this automobile synchronizer neutral pre-hung control gear, be applied in AMT automatic transmission control system, this device comprises TCU 5, the vehicle speed sensor 2 be connected with TCU 5 respectively, synchronizer position transducer 4, accelerator pedal position sensor 3, synchronizer is put into gear mechanism 6 and the collection part 1 for gathering shift rod position signal, TCU 5 comprises microcontroller 53, sensor interface circuitry 51, output interface circuit 54 and storage 52, its storage 52 is for storing the speed setting value that to carry out with the speed of a motor vehicle contrasting and judging the critical speed change value of the gear of pre-hung gear, its sensor interface circuitry 51 has switching value interface circuit, analog amount interface circuit and this three types of frequency quantity interface circuit, on-off model converts the level with microcontroller 53 compatibility to by clamp diode and pull-up resistor, microcontroller 53 On-off signal port is input to after low pass RC filtering, analog signals is gathered by respective sensor and after orderliness and filtering, is input to the AD port of microcontroller 53, frequency signal, by clamp diode and pull-up resistor, is converted to the level that shaping chip can be compatible, after shaping and filtering, is input to timer module and catches, it gathers part 1, vehicle speed sensor 2, accelerator pedal position sensor 3 are connected with microcontroller 53 respectively by sensor interface circuitry 51 with synchronizer position transducer 4, and synchronizer mechanism 6 of putting into gear is connected with microcontroller 53 by output interface circuit 54.
In the present embodiment, gathering part 1 is shift rod multifunction switch, its shift rod multifunction switch is contained on case of transmission, be connected with block selecting bar, for inputting block selecting bar position signal to TCU, its shift rod multifunction switch is when shift rod place gear is different, such as during P-R-N-D conversion, change in resistance, magnitude of voltage is just different, judges on which shift rod with this.The declutch shift shaft that its synchronizer gear mechanism 6 is comprised motor and is connected with motor by driving mechanism.Its motor rotates when receiving the pre-hung gear demand signal that TCU 5 sends and drives driving mechanism, thus synchronizer is linked into pre-hung gear by promotion declutch shift shaft.
Gather part 1 in this device and remain on working state after vehicle launch, the shift rod position signal detected also is flowed to microcontroller 53 by sensor interface circuitry 51 by the place gear of Real-time Collection speed changer; The vehicle speed sensor 2 be arranged near transmission output shaft on housing also remains on working state and the vehicle speed signal collected is flowed to microcontroller 53 by sensor interface circuitry 51; The accelerator opening amount signal collected is flowed to microcontroller 53 by sensor interface circuitry 51 by the accelerator pedal position sensor 3 being arranged on gas pedal place; Processed respectively by microcontroller 53 pairs of vehicle speed signal, accelerator opening amount signal and shift rod position signal and export control signal control synchro mechanism 6 of putting into gear and work.
As shown in Figure 2, this device in use, the speed setting value of motoring condition is prestored in the storage 52 of TCU 5, when microcontroller 53 receives that to gather the shift rod position signal that collects of part 1 be the position signal of neutral, vehicle speed signal vehicle speed sensor 2 gathered and the speed setting value preset contrast, its speed setting value is set as the numerical value close to zero, when vehicle speed value is greater than speed setting value, the critical speed change value of gear prestored in the accelerator opening amount signal gather vehicle speed signal and accelerator pedal position sensor 3 and storage 52 contrasts, its gear critical speed change value is the gear corresponding with the speed of a motor vehicle and accelerator open degree stored in storage 52, namely when accelerator open degree is different, the speed of a motor vehicle of carrying out corresponding to gear lifting is also different, when such as accelerator open degree is 20%, when the speed of a motor vehicle is more than or equal to 10km/h, gear rises to 2 gears from 1 gear, when the speed of a motor vehicle is more than or equal to 15km/h, gear rises to 3 gears from 2 gears, when the speed of a motor vehicle is more than or equal to 30km/h, gear rises to 4 gears from 3 gears, when accelerator open degree is 30%, when the speed of a motor vehicle is more than or equal to 15km/h, gear rises to 2 gears from 1 gear, and when the speed of a motor vehicle is more than or equal to 20km/h, gear rises to 3 gears from 2 gears, and when the speed of a motor vehicle is more than or equal to 40km/h, gear rises to 4 gears from 3 gears, go down successively, when accelerator open degree is 100%, when the speed of a motor vehicle is more than or equal to 30km/h, gear rises to 2 gears from 1 gear, when the speed of a motor vehicle is more than or equal to 50km/h, gear rises to 3 gears from 2 gears, when the speed of a motor vehicle is more than or equal to 70km/h, gear rises to 4 gears from 3 gears, above numerical value just illustrates, the critical speed change value of gear for its setting of different vehicles is different, this device arranges pre-hung gear according to the critical speed change value of this gear, be even 30% at the accelerator open degree collected, when the speed of a motor vehicle is 40km/h, then arranging pre-hung gear is 4 gears, this pre-hung gear request sends to synchronizer to put into gear mechanism 6 by microcontroller 53, this synchronizer mechanism 6 of putting into gear receives this pre-hung gear request and control synchro is linked into 4 gears, in the process of carrying out synchronizer pre-hung, its clutch is for being in separated state, because automobile is when shifting gears, all first again shift rod is moved back neutral by after clutch separation, therefore when clutch is in the state of separation, synchronizer can be linked into the gear of pre-hung, after synchronizer carries out pre-hung, microcontroller 53 pairs of shift rods are actual to be linked into gear and to compare with the synchronizer position signal that synchronizer position transducer 4 gathers and judge actually to be linked into gear and whether synchronizer position signal is identical, synchronizer pre-hung gear with actual be linked into gear consistent time, and when shift rod gets back to forward gear, clutch combination can be carried out immediately, reach quick transferring power, if synchronizer pre-hung gear and actual be linked into gear inconsistent time, remove synchronizer pre-hung gear control synchro is linked into correct gear, when microcontroller 53 judges that current vehicle speed signal is less than speed setting value, illustrate that Current vehicle is in the state close to stopping, vehicle is in starting state, synchronizer is linked into a gear gear to synchronizer gear mechanism 6 by demand signal that microcontroller 11 sends pre-hung one gear in advance, in reality on the run, vehicle is when starting, may because the position of stopping, carry out extension one after needs reverse gear again and keep off starting, but consider driving performance, generally keep off based on pre-hung one, when driver switches from N to D, fast starting can be realized like this, when switching from N to R, because the pre-hung of a gear, R gear is linked into again after needing the pre-hung gear kept off to remove, the time being linked into R gear can be increased, but driver can confirm the situation of lower vehicle back in the ordinary course of things, a time and space is entered to R gear, so the responsiveness General Requirements hanging R gear is not high.
In addition, gathering part 1 also can be manual valve position switch.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various amendment or supplement or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present invention or surmount the scope that appended claims defines.
Although more employ herein and gather part 1, the terms such as mechanism 6 put into gear by vehicle speed sensor 2, accelerator pedal position sensor 3, synchronizer position transducer 4, TCU 5, sensor interface circuitry 51, storage 52, microcontroller 53, output interface circuit 54, synchronizer, do not get rid of the possibility using other term.These terms are used to be only used to describe and explain essence of the present invention more easily; The restriction that they are construed to any one additional is all contrary with spirit of the present invention.
Claims (8)
1. an automobile synchronizer neutral pre-hung control gear, it is characterized in that, this control gear comprises TCU (5), the vehicle speed sensor (2) be connected with TCU (5) respectively, accelerator pedal position sensor (3), synchronizer is put into gear mechanism (6) and the collection part (1) for gathering shift rod position signal, the shift rod position signal that described TCU (5) gathers for receiving above-mentioned collection part (1), the vehicle speed signal that vehicle speed sensor (2) gathers and the accelerator opening amount signal that accelerator pedal position sensor (3) gathers, choose according to above-mentioned accelerator opening amount signal the gear critical speed change value that presets in TCU (5) when judging that shift rod position signal is the position signal of neutral and above-mentioned vehicle speed signal and the critical speed change value of gear are contrasted, export pre-hung gear demand signal according to comparative result simultaneously, described synchronizer puts into gear mechanism (6) for receiving above-mentioned pre-hung gear demand signal and control synchro is linked into pre-hung gear.
2. automobile synchronizer neutral pre-hung control gear according to claim 1, it is characterized in that, described TCU (5) is for storing the speed setting value of motoring condition and judging when above-mentioned vehicle speed signal is less than described speed setting value, export pre-hung one to keep off demand signal and to put into gear mechanism (6) to synchronizer, described synchronizer puts into gear mechanism (6) for receiving above-mentioned pre-hung one and keep off demand signal and control synchro being linked into a gear.
3. automobile synchronizer neutral pre-hung control gear according to claim 2, it is characterized in that, this device also comprises the synchronizer position transducer (4) be connected with TCU (5), described synchronizer position transducer (4) is for gathering synchronizer position signal, described TCU (5) receive synchronizer position signal from actual be linked into gear different time, control synchro mechanism (6) of putting into gear removes the gear of synchronizer pre-hung and synchronizer is linked into correct gear.
4. the automobile synchronizer neutral pre-hung control gear according to claim 1 or 2 or 3, is characterized in that, the declutch shift shaft that described synchronizer gear mechanism is comprised motor and is connected with motor by driving mechanism.
5. the automobile synchronizer neutral pre-hung control gear according to claim 1 or 2 or 3, is characterized in that, described collection part (1) comprises shift rod multifunction switch.
6. automobile synchronizer neutral pre-hung control gear according to claim 5, is characterized in that, described shift rod multifunction switch to be contained on case of transmission and to be connected with block selecting bar, for inputting block selecting bar position signal to above-mentioned TCU (5).
7. the automobile synchronizer neutral pre-hung control gear according to claim 1 or 2 or 3, is characterized in that, described collection part (1) is manual valve position switch, and described manual valve position switch is connected with above-mentioned TCU (5).
8. automobile synchronizer neutral pre-hung control gear according to claim 7, it is characterized in that, described TCU (5) comprises microcontroller (53), sensor interface circuitry (51), output interface circuit (54) and storage (52), described storage (52) is for storing the speed setting value that to carry out with the speed of a motor vehicle contrasting and judging the critical speed change value of the gear of pre-hung gear, above-mentioned collection part (1), vehicle speed sensor (2), accelerator pedal position sensor (3) is connected with microcontroller (53) respectively by sensor interface circuitry (51) with synchronizer position transducer (4), above-mentioned synchronizer mechanism (6) of putting into gear is connected with microcontroller (53) by output interface circuit (54).
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| CN201210086841.XA CN102606726B (en) | 2012-03-29 | 2012-03-29 | Neutral gear pre-engaging control device of automobile synchronizer |
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| CN201210086841.XA CN102606726B (en) | 2012-03-29 | 2012-03-29 | Neutral gear pre-engaging control device of automobile synchronizer |
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| CN102606726B true CN102606726B (en) | 2015-01-07 |
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| CN102966729B (en) * | 2012-11-04 | 2015-07-15 | 杜占强 | Electric control gear shifting auxiliary device for automobile manual transmission |
| CN103115143B (en) * | 2013-01-31 | 2015-07-15 | 浙江吉利汽车研究院有限公司杭州分公司 | Control method for automobile automatic transmission gear engaging self-adaptation |
| CN103115144B (en) * | 2013-01-31 | 2015-06-10 | 浙江吉利汽车研究院有限公司杭州分公司 | Control method for automobile gear choosing |
| CN103527769B (en) * | 2013-09-24 | 2016-02-24 | 浙江吉利控股集团有限公司 | Synchronizer self study identification controlling method and position verification control method |
| CN104653764B (en) * | 2013-11-21 | 2017-07-04 | 上海汽车集团股份有限公司 | Synchronizer autocontrol method |
| CN105134939A (en) * | 2014-06-04 | 2015-12-09 | 上海通用汽车有限公司 | Electronic hydraulic control system and clutch gearbox system with same |
| CN104633088B (en) * | 2014-12-03 | 2016-09-14 | 安徽江淮汽车股份有限公司 | The transmission control model of double-clutch speed changer physical model employing and control method |
| CN105987168B (en) * | 2015-02-03 | 2018-03-30 | 上海汽车集团股份有限公司 | The fork controls method and device of double-clutch type transmission neutral pattern |
| CN106594262B (en) * | 2015-10-15 | 2018-07-17 | 联合汽车电子有限公司 | The neutral gear decision threshold self study device and method of neutral position sensor signal |
| CN109973641B (en) | 2018-05-31 | 2020-07-28 | 长城汽车股份有限公司 | Gear shifting control method and device |
| CN109606351B (en) * | 2018-12-24 | 2020-09-08 | 浙江吉利汽车研究院有限公司 | Engine starting control method and device, vehicle control unit and vehicle |
| CN110778701B (en) * | 2019-09-26 | 2021-08-20 | 潍柴动力股份有限公司 | Control method and control device for vehicle transmission |
| CN114576351B (en) * | 2021-06-25 | 2023-07-14 | 长城汽车股份有限公司 | Gearbox gear control method and device and vehicle |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19726567A1 (en) * | 1997-06-23 | 1998-12-24 | Zahnradfabrik Friedrichshafen | Synchronisation method for main gear-shaft of HGV transmission |
| EP0905418A2 (en) * | 1997-09-30 | 1999-03-31 | WABCO GmbH | Shift method for semi-automatic motor vehicle transmission |
| CN1301645A (en) * | 1999-12-30 | 2001-07-04 | 现代自动车株式会社 | Gear controlling method for automatic gear box |
| US6840126B1 (en) * | 2003-07-29 | 2005-01-11 | Eaton Corporation | Automatic range up-shift control and method of operation |
| EP1505320A3 (en) * | 2003-08-08 | 2010-04-14 | Borgwarner, Inc. | Method for controlling the engagement force of the synchronizers of a dual clutch transmission |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4656206B2 (en) * | 2008-08-01 | 2011-03-23 | トヨタ自動車株式会社 | Control device for automatic transmission for vehicle |
-
2012
- 2012-03-29 CN CN201210086841.XA patent/CN102606726B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19726567A1 (en) * | 1997-06-23 | 1998-12-24 | Zahnradfabrik Friedrichshafen | Synchronisation method for main gear-shaft of HGV transmission |
| EP0905418A2 (en) * | 1997-09-30 | 1999-03-31 | WABCO GmbH | Shift method for semi-automatic motor vehicle transmission |
| CN1301645A (en) * | 1999-12-30 | 2001-07-04 | 现代自动车株式会社 | Gear controlling method for automatic gear box |
| US6840126B1 (en) * | 2003-07-29 | 2005-01-11 | Eaton Corporation | Automatic range up-shift control and method of operation |
| EP1505320A3 (en) * | 2003-08-08 | 2010-04-14 | Borgwarner, Inc. | Method for controlling the engagement force of the synchronizers of a dual clutch transmission |
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