WO2015185050A1 - Verfahren zum bedarfsweisen reduzieren eines schleppmoments einer reibungskupplung - Google Patents
Verfahren zum bedarfsweisen reduzieren eines schleppmoments einer reibungskupplung Download PDFInfo
- Publication number
- WO2015185050A1 WO2015185050A1 PCT/DE2015/200314 DE2015200314W WO2015185050A1 WO 2015185050 A1 WO2015185050 A1 WO 2015185050A1 DE 2015200314 W DE2015200314 W DE 2015200314W WO 2015185050 A1 WO2015185050 A1 WO 2015185050A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- drag torque
- friction clutch
- clutch
- gear ratio
- determined
- Prior art date
Links
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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D48/00—External control of clutches
- F16D48/06—Control by electric or electronic means, e.g. of fluid pressure
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2500/00—External control of clutches by electric or electronic means
- F16D2500/10—System to be controlled
- F16D2500/104—Clutch
- F16D2500/10406—Clutch position
- F16D2500/10412—Transmission line of a vehicle
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2500/00—External control of clutches by electric or electronic means
- F16D2500/10—System to be controlled
- F16D2500/104—Clutch
- F16D2500/10443—Clutch type
- F16D2500/1045—Friction clutch
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2500/00—External control of clutches by electric or electronic means
- F16D2500/30—Signal inputs
- F16D2500/302—Signal inputs from the actuator
- F16D2500/3026—Stroke
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2500/00—External control of clutches by electric or electronic means
- F16D2500/30—Signal inputs
- F16D2500/304—Signal inputs from the clutch
- F16D2500/30403—Number of clutch actuations
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2500/00—External control of clutches by electric or electronic means
- F16D2500/30—Signal inputs
- F16D2500/304—Signal inputs from the clutch
- F16D2500/30404—Clutch temperature
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2500/00—External control of clutches by electric or electronic means
- F16D2500/30—Signal inputs
- F16D2500/304—Signal inputs from the clutch
- F16D2500/3041—Signal inputs from the clutch from the input shaft
- F16D2500/30412—Torque of the input shaft
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2500/00—External control of clutches by electric or electronic means
- F16D2500/30—Signal inputs
- F16D2500/304—Signal inputs from the clutch
- F16D2500/3042—Signal inputs from the clutch from the output shaft
- F16D2500/30421—Torque of the output shaft
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2500/00—External control of clutches by electric or electronic means
- F16D2500/30—Signal inputs
- F16D2500/305—Signal inputs from the clutch cooling
- F16D2500/3055—Cooling oil properties
- F16D2500/3056—Cooling oil temperature
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2500/00—External control of clutches by electric or electronic means
- F16D2500/50—Problem to be solved by the control system
- F16D2500/502—Relating the clutch
- F16D2500/5023—Determination of the clutch wear
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2500/00—External control of clutches by electric or electronic means
- F16D2500/50—Problem to be solved by the control system
- F16D2500/502—Relating the clutch
- F16D2500/50287—Torque control
- F16D2500/5029—Reducing drag torque
Definitions
- the invention relates to a method for reducing, as needed, a drag torque of an automatically operable between an open and a closed position, in particular wet-running, friction clutch of a motor vehicle during a gear ratio change.
- DE 10 2013 205 107 A1 discloses a method for controlling a wet-running friction clutch of a motor vehicle which can be actuated between an open and a closed position, the friction clutch comprising a pressure plate, a pressure plate axially displaceable relative to the pressure plate and a clutch disc which can be clamped between the pressure plate and the pressure plate, wherein the friction clutch is controlled based on a clutch characteristic, wherein a clutch drag torque characteristic is determined and superimposed on the clutch characteristic to obtain a modified clutch characteristic.
- the invention has for its object to improve a method mentioned above.
- a sufficient reduction of the drag torque should be made possible.
- a rapid reduction of the drag torque is to be made possible.
- an active energy supply to reduce the drag torque should be dispensable.
- an opening of the friction clutch should be avoided if possible.
- switching times and. forces are reduced when changing gear ratios or kept constant regardless of temperature influences.
- a ride comfort is to be increased.
- the object is achieved with a method for reducing a required
- the friction clutch may be part of a friction clutch device.
- the friction clutch can form a single clutch.
- the friction clutch can form a double clutch together with another friction clutch.
- the friction clutch may be a single disc clutch.
- the friction clutch may be a multi-plate clutch.
- the friction clutch may comprise a pressure plate, a pressure plate axially displaceable pressure plate and a clampable between the pressure plate and the pressure plate for frictional power transmission clutch disc.
- the friction clutch may include an input part and an output part. The pressure plate and the pressure plate may belong to the input part.
- the clutch disc may belong to the output part.
- a wet-running friction clutch may be a friction clutch, which is acted upon by a liquid flow.
- the liquid flow can serve in particular for cooling the friction clutch.
- the liquid can be an oil.
- the liquid may be a gear oil.
- the drag torque can occur when the friction clutch is not closed.
- the drag torque may be caused by a fluid-related power transmission.
- the drag torque may be dependent on specific properties, viscosity and / or temperature of the fluid.
- the drag torque can u of the design of the cooling circuit in particular the situation. Be dependent on the design of a cooling oil pump.
- the drag torque may be dependent on a distance of the clutch disc from the pressure plate and / or the pressure plate.
- the friction clutch can be used for arrangement in a drive train of the motor vehicle.
- the drive train may include an internal combustion engine.
- the drive train may have a transmission.
- the transmission can be a manual transmission.
- the transmission can be manually and / or automatically switched.
- the friction clutch may be arrangeable in the powertrain between the engine and the transmission.
- the input part of the friction clutch may be connected to an output shaft of the internal combustion engine
- the terms "input part” and “output part” refer to a power flow direction emanating from the internal combustion engine.
- the friction clutch can, starting from a fully opened actuating position, in which substantially no power output between the input part and the output part. Transmission takes place, up to a fully closed actuating position, in which between the input part and the output part substantially a complete power transmission, depending on the actuation enable increasing power transmission, wherein a power transmission between the input part and the output part is frictionally. Conversely, starting from a fully closed actuation position, in which substantially complete power transmission takes place between the input part and the output part, up to a fully open actuation position in which there is substantially no power transmission between the input part and an output part, depending on the actuation, a decreasing power transmission be possible.
- the friction clutch device may comprise an actuator device.
- the friction clutch can be actuated by means of an actuator device.
- the actuator device may be a hydrostatic actuator device.
- the actuator device can serve for the semi-hydraulic actuation of the friction clutch.
- the actuator device may have a hydraulic path.
- the actuator device may have a slave cylinder.
- the actuator device may have a master cylinder.
- the master cylinder can serve to act on the friction clutch.
- the hydraulic route can be used for power transmission between the master cylinder and the slave cylinder.
- Actuator can have an electric motor drive.
- the drive can serve to act on the slave cylinder.
- the actuator device may have a transmission.
- the friction clutch device may have a control device.
- the control device may be a local control device.
- the control device may be a higher-level control device.
- the control device can be used to control or regulate the friction clutch device, the friction clutch, the actuator device and / or the electromotive drive of the actuator device.
- the method according to the invention can be carried out with the aid of the control device.
- the control device may have an electrical control unit.
- the control device may have a memory device.
- the memory device may comprise a nonvolatile electronic memory whose stored information may be electrically erased or overwritten.
- the control device may comprise an EEPROM.
- the control device may have a computing device.
- the friction clutch device may include a sensor for detecting a parking position of the friction clutch device. This sensor can be a position sensor.
- the friction clutch device may include a sensor for determining a transmitted torque. This sensor can be a torque sensor.
- the friction clutch device may include a sensor for detecting a slip of the friction clutch. Slippage may be a speed difference between the input part and the output part of the friction clutch.
- the friction clutch device may include a sensor for detecting a fluid flow.
- the friction coupling device may have a sensor for determining a temperature, in particular a liquid.
- the drag torque status can be determined taking into account a determined, for example measured, drag torque, a clutch temperature, a coolant temperature, an energy input into the friction clutch since a last downtime, a number of clutch actuations since a last break and / or a replicated wear-related actuation shift.
- a touch point may be determined based on a measured or calculated clutch characteristic in a new state of the friction clutch.
- a clutch characteristic can be stored or stored.
- the clutch characteristic may represent a torque transmitted from the friction clutch depending on a setting position of the friction clutch device, the friction clutch or the actuator device.
- the clutch characteristic curve can be represented in a diagram in which the setting position of the friction clutch device, the friction clutch or the actuator device is plotted on an x-axis and the transmitted torque is plotted on a y-axis.
- the touch point may describe a parking position of the friction clutch device, the friction clutch and / or the actuator device, in which a friction clutch begins to transmit a torque at an operation starting from an open actuation position towards a closed actuation position.
- the touch point may describe a parking position of the friction clutch device, the friction clutch and / or the actuator device, in which a friction clutch transmits a predetermined torque.
- the predetermined moment may be, for example, about 2-3 Nm.
- the term "touch point" can be both the touch point as such and also a touch point associated actuating position of the friction clutch device, the friction clutch and / or the actuator device.
- An actuating position of the friction clutch device, the friction clutch and / or the actuator device assigned to the touch point can be stored in the memory device.
- a path between an opening point and the touch point can be determined and a way value can be stored.
- the opening point may be a point at which a
- Actuator device upon actuation of the friction clutch in the opening direction just starts to transmit a force or a pressure.
- the distance value can be stored in the control device.
- the path value can be at least approximately wear-independent. A value of the opening point may be adjusted in consideration of a wear state of the friction clutch. To adjust the value of the open point, the path value may be subtracted from a degraded touch point value. In determining whether the requested gear ratio change can be performed without reducing the drag torque or reducing the drag torque, a requested gear ratio may be taken into account.
- the drag torque status can be determined to be either high or low.
- the drag torque status can be determined in two stages. To determine the drag torque status as high or as low, a predetermined limit can be used. A high drag torque status may be associated with a high required shift force. A low drag torque status may be associated with a low required shift force.
- Translation stage is a large gear, the requested gear ratio change can be released immediately.
- a large gear can be assigned to a high required switching power.
- a small gear can be assigned a low required switching power.
- the friction clutch can be opened up to its open position.
- the value of the open position may be related to a new state or adjusted taking into account a state of wear.
- the open position of the coupling system can be controlled by the actuators in sniffing position (volume compensation in the reservoir), by a mechanical Characteristic (eg stop or detent) in clutch or actuator system and / or be defined by a trained (possibly also adapted) system position.
- the inventive method allows a sufficient reduction of the drag torque.
- a quick reduction of the drag torque is made possible.
- An active energy supply for reducing the drag torque is unnecessary.
- An opening of the friction clutch is only when required. Switching times when changing gear ratios are reduced. Driving comfort is increased.
- 1 is a diagram with a clutch characteristic in a new state of a friction clutch
- Fig. 2 is a diagram with a clutch characteristic in a state of wear of a friction clutch
- Fig. 3 is a diagram for an on-demand reduction of a drag torque of a friction clutch.
- the friction clutch has a pressure plate, a pressure plate axially displaceable pressure plate and between the pressure plate and the pressure plate for Reib- conclusive power transmission clamped clutch disc on.
- the friction clutch far an input part and an output part.
- the pressure plate and the pressure plate belong to the input part.
- the clutch disc belongs to the output part.
- the friction clutch can be actuated automatically by means of an actuator device and an electrical control device.
- the friction clutch is used for arrangement in a drive train of a motor vehicle between an internal combustion engine and a transmission with gear ratios.
- the friction clutch is a wet clutch running in an oil.
- an actuating travel s and a dependent of the actuating travel s clutch torque M are plotted.
- the actuation path s 0 and the friction clutch is fully open.
- the pressure plate and the pressure plate on the one hand and the clutch disc on the other hand are spaced apart, so that between the input part and the output part of the friction clutch no direct frictional power transmission takes place.
- a small drag torque occurs due to the fluid even when the friction clutch is completely open.
- the drag torque is dependent, for example, on a viscosity and a temperature of the oil.
- Friction clutch operated with increasing actuating travel s in the closing direction by the pressure plate is displaced in the direction of the pressure plate. After passing through an actuation path 106, a direct frictional power transmission between the input part and the output part of the friction clutch begins at a touch point 108.
- the drag torque is also dependent on a distance of the clutch disc from the pressure plate and the pressure plate. Even without direct frictional power transmission between the input part and the output part, therefore, the drag torque increases with increasing actuating travel s via the actuating path 106 even before reaching the touch point 108.
- FIG. 2 shows a diagram 200 with a clutch characteristic 202 in a wear state of a friction clutch.
- a larger actuation travel s must be traveled until the point of contact 204 has been reached due to wear.
- Starting from the full open position 206 of the friction clutch is due to wear initially up to an opening point 208 a path through which, despite increasing actuating travel s, the drag torque does not increase.
- FIG. 3 shows a diagram 300 for an on-demand reduction of a drag torque of a friction clutch.
- the actuator device of the friction clutch is controlled by means of a control device.
- the process shown by the diagram 300 runs in the controller.
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
- Mechanical Operated Clutches (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020167033670A KR102472609B1 (ko) | 2014-06-03 | 2015-05-18 | 마찰 클러치의 드래그 토크의 필요에 따른 감소 방법 |
CN201580028868.5A CN106460964B (zh) | 2014-06-03 | 2015-05-18 | 用于按需减小摩擦离合器的拖曳力矩的方法 |
DE112015002627.4T DE112015002627A5 (de) | 2014-06-03 | 2015-05-18 | Verfahren zum bedarfsweisen Reduzieren eines Schleppmoments einer Reibungskupplung |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102014210395 | 2014-06-03 | ||
DE102014210395.9 | 2014-06-03 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2015185050A1 true WO2015185050A1 (de) | 2015-12-10 |
Family
ID=53546480
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE2015/200314 WO2015185050A1 (de) | 2014-06-03 | 2015-05-18 | Verfahren zum bedarfsweisen reduzieren eines schleppmoments einer reibungskupplung |
Country Status (4)
Country | Link |
---|---|
KR (1) | KR102472609B1 (de) |
CN (1) | CN106460964B (de) |
DE (1) | DE112015002627A5 (de) |
WO (1) | WO2015185050A1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114254440B (zh) * | 2021-12-29 | 2024-04-09 | 武汉科技大学 | 一种湿式离合器摩擦片表面油槽槽型形线优化方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102004035262A1 (de) * | 2004-07-21 | 2006-02-16 | Zf Friedrichshafen Ag | Verfahren zur Steuerung eines Automatgetriebes |
DE102007015882A1 (de) * | 2006-04-29 | 2007-10-31 | Luk Lamellen Und Kupplungsbau Beteiligungs Kg | Verfahren zum Gangwechsel |
DE102011011921A1 (de) * | 2010-03-15 | 2011-09-15 | Schaeffler Technologies Gmbh & Co. Kg | Verfahren zum Überwachen einer Kupplung |
DE102012212524A1 (de) * | 2011-08-08 | 2013-02-14 | Schaeffler Technologies AG & Co. KG | Verfahren zur Steuerung eines Doppelkupplungsgetriebes |
DE102013205107A1 (de) | 2012-04-16 | 2013-10-17 | Schaeffler Technologies AG & Co. KG | Verfahren zum Kontrollieren einer nasslaufenden Reibungskupplung |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004218694A (ja) * | 2003-01-10 | 2004-08-05 | Jatco Ltd | 発進クラッチの制御装置 |
KR20070036883A (ko) * | 2005-09-30 | 2007-04-04 | 현대자동차주식회사 | 변속기의 예압보정장치 |
KR101775173B1 (ko) * | 2009-07-16 | 2017-09-05 | 섀플러 테크놀로지스 아게 운트 코. 카게 | 클러치 접촉점 |
BR112014015918B1 (pt) | 2011-12-28 | 2021-07-20 | Scania Cv Ab | Método para controlar uma embreagem de veículo, meio legível por computador, sistema para controlar uma embreagem de veículo e veículo |
KR101406422B1 (ko) * | 2012-11-09 | 2014-06-13 | 기아자동차주식회사 | 클러치의 터치포인트 탐색 방법 |
-
2015
- 2015-05-18 WO PCT/DE2015/200314 patent/WO2015185050A1/de active Application Filing
- 2015-05-18 KR KR1020167033670A patent/KR102472609B1/ko active IP Right Grant
- 2015-05-18 DE DE112015002627.4T patent/DE112015002627A5/de active Pending
- 2015-05-18 CN CN201580028868.5A patent/CN106460964B/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102004035262A1 (de) * | 2004-07-21 | 2006-02-16 | Zf Friedrichshafen Ag | Verfahren zur Steuerung eines Automatgetriebes |
DE102007015882A1 (de) * | 2006-04-29 | 2007-10-31 | Luk Lamellen Und Kupplungsbau Beteiligungs Kg | Verfahren zum Gangwechsel |
DE102011011921A1 (de) * | 2010-03-15 | 2011-09-15 | Schaeffler Technologies Gmbh & Co. Kg | Verfahren zum Überwachen einer Kupplung |
DE102012212524A1 (de) * | 2011-08-08 | 2013-02-14 | Schaeffler Technologies AG & Co. KG | Verfahren zur Steuerung eines Doppelkupplungsgetriebes |
DE102013205107A1 (de) | 2012-04-16 | 2013-10-17 | Schaeffler Technologies AG & Co. KG | Verfahren zum Kontrollieren einer nasslaufenden Reibungskupplung |
Also Published As
Publication number | Publication date |
---|---|
CN106460964B (zh) | 2018-12-14 |
KR102472609B1 (ko) | 2022-12-01 |
KR20170016343A (ko) | 2017-02-13 |
CN106460964A (zh) | 2017-02-22 |
DE112015002627A5 (de) | 2017-03-09 |
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