CN110953336A - Automatic gear shifting control method for AMT (automated mechanical transmission) - Google Patents
Automatic gear shifting control method for AMT (automated mechanical transmission) Download PDFInfo
- Publication number
- CN110953336A CN110953336A CN201911353520.XA CN201911353520A CN110953336A CN 110953336 A CN110953336 A CN 110953336A CN 201911353520 A CN201911353520 A CN 201911353520A CN 110953336 A CN110953336 A CN 110953336A
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- CN
- China
- Prior art keywords
- tcu
- gear shifting
- amt
- shifting
- brushless motor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/02—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used
- F16H61/0202—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used the signals being electric
- F16H61/0204—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used the signals being electric for gearshift control, e.g. control functions for performing shifting or generation of shift signal
- F16H61/0213—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used the signals being electric for gearshift control, e.g. control functions for performing shifting or generation of shift signal characterised by the method for generating shift signals
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/26—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
- F16H61/32—Electric motors actuators or related electrical control means therefor
Abstract
The invention provides an automatic gear shifting control method of an AMT (automated mechanical transmission), which enables gear shifting power current not to pass through a TCU (transmission control unit), so that the size of the TCU is greatly reduced, heat dissipation is not needed any more, and the cost and the reliability of the TCU can be greatly improved; secondly, the expansion capability of the TCU is greatly improved, the limitation of the number of the gear shifting modules can be avoided, and the universality of the TCU is greatly improved. The power supply directly supplies power to the brushless motor of each gear shifting module, and the TCU is communicated with the brushless motor and the sensor on each gear shifting module; when AMT controller TCU judges to shift gears, start and make the instruction for the brushless motor of the module of shifting gears that corresponds, brushless motor drive actuating mechanism module work of shifting gears, carry out AMT gearbox automatic shifting, position sensor 4 on the actuating mechanism module of shifting gears feeds back the position in real time and gives AMT controller TCU, and AMT controller TCU carries out real-time judgement to keeping off the position of a position to ensure to reach the target position, thereby realize the automatic shifting of AMT gearbox.
Description
Technical Field
The invention relates to the technical field of gear shifting of an AMT (automated mechanical transmission), in particular to an automatic gear shifting control method of an AMT.
Background
When the conventional AMT is used for shifting gears, the power current and the signal current of a gear shifting motor are distributed through a TCU (transmission control unit), so that the TCU has a complex structure and a large volume, and the heat energy of the TCU is relatively gathered due to the fact that the power current flows out after being distributed through the TCU, so that an external heat dissipation module is required for dissipating heat of the TCU; the existing gear shifting control method of the AMT transmission has the advantages that the cost of the TCU is high, the reliability is relatively low, the TCU needs to be designed and manufactured independently according to different gear numbers and modules, and the universality of the TCU is relatively poor.
Disclosure of Invention
Aiming at the problems, the invention provides an automatic gear shifting control method of an AMT (automated mechanical transmission), which enables gear shifting power current not to pass through a TCU (transmission control unit), so that the size of the TCU is greatly reduced, heat dissipation is not needed any more, and the cost and the reliability of the TCU can be greatly improved; secondly, the expansion capability of the TCU is greatly improved, the limitation of the number of the gear shifting modules can be avoided, and the universality of the TCU is greatly improved; the modular design of the gear shifting actuating mechanism is facilitated, and the number of the corresponding gear shifting modules is set according to actual requirements aiming at gearboxes with different gear numbers.
An automatic gear shifting control method of an AMT transmission is characterized in that: the power supply directly supplies power to the brushless motor of each gear shifting module, and the TCU is communicated with the brushless motor and the sensor on each gear shifting module; when AMT controller TCU judges to shift gears, start and make the instruction for the brushless motor of the module of shifting gears that corresponds, brushless motor drive actuating mechanism module work of shifting gears, carry out AMT gearbox automatic shifting, position sensor 4 on the actuating mechanism module of shifting gears feeds back the position in real time and gives AMT controller TCU, and AMT controller TCU carries out real-time judgement to keeping off the position of a position to ensure to reach the target position, thereby realize the automatic shifting of AMT gearbox.
It is further characterized in that:
the connection between the TCU and the brushless motor in each gear shifting module is characterized in that the TCU controls the on-off of the power current of the brushless motor through a control signal and simultaneously controls the forward rotation or the reverse rotation of the brushless motor and the corresponding rotating speed and rotating time;
all the gear shifting modules perform gear shifting action at the same time;
when the vehicle body comprises a plurality of auxiliary boxes and double-input gearboxes or the vehicle body simultaneously uses a plurality of gearboxes, the TCU of the AMT controller controls any plurality of gear shifting modules to perform gear shifting action at the same time, and the gear shifting modules are not interfered with each other.
After the technical scheme is adopted, the gear shifting power current does not need to pass through the TCU, so that the size of the TCU is greatly reduced, heat dissipation is not needed, and the cost and the reliability of the TCU can be greatly improved; secondly, the expansion capability of the TCU is greatly improved, the limitation of the number of the gear shifting modules can be avoided, and the universality of the TCU is greatly improved; the modular design of the gear shifting actuating mechanism is facilitated, and the number of the corresponding gear shifting modules is set according to actual requirements aiming at gearboxes with different gear numbers.
Drawings
FIG. 1 is a schematic and diagrammatic illustration of the process of the present invention;
the names corresponding to the sequence numbers in the figure are as follows:
power supply 1, brushless motor 2, TCU3, shift actuator module 4, position sensor 5.
Detailed Description
An automatic gear shifting control method of an AMT transmission is characterized in that: the power supply directly supplies power to the brushless motor of each gear shifting module, and the TCU is communicated with the brushless motor and the sensor on each gear shifting module; when AMT controller TCU judges to shift gears, start and make the instruction for the brushless motor of the module of shifting gears that corresponds, brushless motor drive actuating mechanism module work of shifting gears, carry out AMT gearbox automatic shifting, position sensor 4 on the actuating mechanism module of shifting gears feeds back the position in real time and gives AMT controller TCU, and AMT controller TCU carries out real-time judgement to keeping off the position of a position to ensure to reach the target position, thereby realize the automatic shifting of AMT gearbox.
The connection between the TCU and the brushless motor in each gear shifting module is characterized in that the TCU controls the on-off of the power current of the brushless motor through a control signal and simultaneously controls the forward rotation or the reverse rotation of the brushless motor and the corresponding rotating speed and rotating time;
all the gear shifting modules perform gear shifting action at the same time;
when the vehicle body comprises a plurality of auxiliary boxes and double-input gearboxes or the vehicle body simultaneously uses a plurality of gearboxes, the TCU of the AMT controller controls any plurality of gear shifting modules to perform gear shifting action at the same time, and the gear shifting modules are not interfered with each other.
The chinese language of TCU in this document translates to an automatic transmission control unit.
In specific implementation, as shown in fig. 1, the positive electrode and the negative electrode of a power supply 1 are respectively connected in parallel to the corresponding power supply input end of the brushless motor 2 of each gear shifting module, the signal input end of each brushless motor 2 is respectively connected to one of the weak current connection ends of the TCU3, the brushless motor 2 is connected to the corresponding gear shifting actuator module 4, a corresponding position sensor 5 is collected in each gear shifting actuator module 4, the signal of each position sensor 5 is respectively connected to the other weak current connection end of the TCU3, wherein each gear shifting module is provided with a unique and distinguishable built-in transmission code corresponding to the TCU3, the data transmitted by the brushless motor 2 and the position sensor 5 of each gear shifting module can be quickly identified by the TCU3, the TCU3 accurately transmits the weak current signals sent by the two weak current connection ends to the brushless motor 2 or the position sensor 5 of the corresponding gear shifting module.
The beneficial effects are as follows: the TCU is only responsible for providing signals, does not need to supply power to the gear shifting motor, and basically has no heat dissipation requirement; the TCU only passes weak current, so that the design and manufacturing cost is lower, and the reliability is higher; the TCU does not provide large current, the expansibility is greatly improved, more actuating mechanisms can be suitably controlled, and the application on a multi-gear box is more advantageous; the TCU is greatly simplified, the cost is lower, the size is smaller, and the reliability is higher; the expansibility of the TCU is greatly improved, and a multi-way gear shifting actuating mechanism can be controlled; the TCU has no large current, the interference checking capability is greatly improved, and the EMS performance is better.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (4)
1. An automatic gear shifting control method of an AMT transmission is characterized in that: the power supply directly supplies power to the brushless motor of each gear shifting module, and the TCU is communicated with the brushless motor and the sensor on each gear shifting module; when AMT controller TCU judges to shift gears, start and make the instruction for the brushless motor of the module of shifting gears that corresponds, brushless motor drive actuating mechanism module work of shifting gears, carry out AMT gearbox automatic shifting, position sensor 4 on the actuating mechanism module of shifting gears feeds back the position in real time and gives AMT controller TCU, and AMT controller TCU carries out real-time judgement to keeping off the position of a position to ensure to reach the target position, thereby realize the automatic shifting of AMT gearbox.
2. The automatic shift control method for an AMT transmission according to claim 1, wherein: the connection between the TCU and the brushless motor in each gear shifting module is specifically that the TCU controls the on-off of the power current of the brushless motor through a control signal and simultaneously controls the positive rotation or the negative rotation of the brushless motor and the corresponding rotating speed and rotating time.
3. The automatic shift control method for an AMT transmission according to claim 1, wherein: the gear shifting modules perform gear shifting actions at the same time.
4. The automatic shift control method for an AMT transmission according to claim 1, wherein: when the vehicle body comprises a plurality of auxiliary boxes and double-input gearboxes or the vehicle body simultaneously uses a plurality of gearboxes, the TCU of the AMT controller controls any plurality of gear shifting modules to perform gear shifting action at the same time, and the gear shifting modules are not interfered with each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911353520.XA CN110953336A (en) | 2019-12-25 | 2019-12-25 | Automatic gear shifting control method for AMT (automated mechanical transmission) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911353520.XA CN110953336A (en) | 2019-12-25 | 2019-12-25 | Automatic gear shifting control method for AMT (automated mechanical transmission) |
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| CN110953336A true CN110953336A (en) | 2020-04-03 |
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| CN201911353520.XA Pending CN110953336A (en) | 2019-12-25 | 2019-12-25 | Automatic gear shifting control method for AMT (automated mechanical transmission) |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101122334A (en) * | 2007-09-12 | 2008-02-13 | 同济大学 | Double-clutch automatic speed-changer electric controller and its control method |
| CN201332315Y (en) * | 2008-12-03 | 2009-10-21 | 中国第一汽车集团公司 | AMT gear shifting motor with precise response characteristic |
| CN104633086A (en) * | 2013-11-12 | 2015-05-20 | 陕西国力信息技术有限公司 | Gear selecting control assembly based on AMT system |
| WO2017145367A1 (en) * | 2016-02-26 | 2017-08-31 | 三菱重工コンプレッサ株式会社 | Variable speed accelerator |
| CN107575568A (en) * | 2017-10-19 | 2018-01-12 | 山东时风（集团）有限责任公司 | Electric automobile double speed automatic transmission electronic control unit and control strategy |
| CN207145602U (en) * | 2017-05-05 | 2018-03-27 | 浙江科潮智能科技有限公司 | Realize the driving flexible axle of the method for the automatic gear selecting gearshift of manual transmission |
-
2019
- 2019-12-25 CN CN201911353520.XA patent/CN110953336A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101122334A (en) * | 2007-09-12 | 2008-02-13 | 同济大学 | Double-clutch automatic speed-changer electric controller and its control method |
| CN201332315Y (en) * | 2008-12-03 | 2009-10-21 | 中国第一汽车集团公司 | AMT gear shifting motor with precise response characteristic |
| CN104633086A (en) * | 2013-11-12 | 2015-05-20 | 陕西国力信息技术有限公司 | Gear selecting control assembly based on AMT system |
| WO2017145367A1 (en) * | 2016-02-26 | 2017-08-31 | 三菱重工コンプレッサ株式会社 | Variable speed accelerator |
| CN207145602U (en) * | 2017-05-05 | 2018-03-27 | 浙江科潮智能科技有限公司 | Realize the driving flexible axle of the method for the automatic gear selecting gearshift of manual transmission |
| CN107575568A (en) * | 2017-10-19 | 2018-01-12 | 山东时风（集团）有限责任公司 | Electric automobile double speed automatic transmission electronic control unit and control strategy |
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Application publication date: 20200403 |
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