WO2016146118A1 - Verfahren zur adaption eines tastpunktes einer im unbetätigten zustand geschlossenen kupplung - Google Patents
Verfahren zur adaption eines tastpunktes einer im unbetätigten zustand geschlossenen kupplung Download PDFInfo
- Publication number
- WO2016146118A1 WO2016146118A1 PCT/DE2016/200112 DE2016200112W WO2016146118A1 WO 2016146118 A1 WO2016146118 A1 WO 2016146118A1 DE 2016200112 W DE2016200112 W DE 2016200112W WO 2016146118 A1 WO2016146118 A1 WO 2016146118A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- clutch
- pressure
- characteristic
- determined
- pressure characteristic
- 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
- F16D48/066—Control of fluid pressure, e.g. using an accumulator
-
- 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
- F16D2500/102—Actuator
-
- 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
- F16D2500/3024—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
- 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
- F16D2500/3027—Torque
-
- 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
- F16D2500/50245—Calibration or recalibration of the clutch touch-point
- F16D2500/50251—During operation
-
- 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
- F16D2500/70—Details about the implementation of the control system
- F16D2500/702—Look-up tables
- F16D2500/70205—Clutch actuator
Definitions
- the invention relates to a method for adapting a touch point of an im
- Clutch actuator is used to adapt the touch point.
- the clutch characteristic may not only vary from vehicle to vehicle but also over the lifetime and during operation, e.g. because of changing coupling temperatures. For this reason, the clutch characteristic must be adapted online using certain adaptation mechanisms.
- a method for controlling an automated clutch is known, which is part of a hydraulic Kupplungsbetuschistssys- system that includes a hydrostatic actuator whose pressure is determined.
- the pressure of the hydrostatic actuator is used for clutch characteristic adaptation.
- the touch point determination is of particular importance, wherein a pressure signal of the hydrostatic actuator is used to adapt the touch point.
- Torque characteristic and the pressure characteristic of such a "normally-closed” coupling have no comparable course. This means that in such "normally closed” clutches only a torque-based adaptation of the clutch characteristic curve can take place, which has disadvantages such as the dependence on the accuracy of the torque signal or a strong limitation with respect to the evaluable operating states, for example in the case of clutch slip.
- the invention has for its object to provide a method for adapting a touch point of a closed clutch in the unactuated state, in which the disadvantages of the prior art are suppressed.
- this object is achieved in that an output sampling point is determined, from which the adaptation of the sampling point takes place as a function of a displacement of a pressure characteristic of the clutch actuator.
- a change in the touch point can be easily adapted from the pressure characteristic of the hydrostatic clutch actuator during operation of the vehicle.
- Under the touch point of a coupling device is to be understood a position of the clutch actuator, in which the clutch is just not open and a substantially low predetermined torque is transmitted.
- Torque characteristic of the clutch actuator determined. Determining the output test point via the torque characteristic of the clutch actuator and determining the adaptation as a function of a pressure characteristic uses the relationship between the shift of the pressure characteristic (pressure over-travel) and the displacement of the torque characteristic (torque-over-travel) of the clutch actuator , Using this relationship, it is easily possible to use the pressure change to adapt the touch point.
- the torque characteristic or a part thereof and the pressure characteristic of the clutch actuator are measured approximately at the same time, wherein the determined from the torque curve, the Huaweistast Vietnamese characterizing way of the clutch actuator is transmitted to the pressure characteristic for the identification of the touch point.
- the shifts in the pressure characteristic are determined during normal operation of the clutch. Since there is a linear relationship between the displacement of the pressure characteristic and the displacement of the torque characteristic, the easily determined shifted pressure characteristic can be used from the Huaweitastddling to the adaptation of the Tastuss in normal operation of the clutch.
- the displacement of the pressure characteristic curve is determined in a region of the pressure characteristic curve where an amount of the gradient is greatest. In this range of the largest amount fluctuations in the shift of the pressure characteristic are minimized, so that a reliable adaptation of the touch point is possible.
- the pressure-based adaptation is matched with a torque-based adaptation of the touch point. This ensures that the touch point adaptation carried out via the pressure curve remains robust while the vehicle is traveling and deviations are reliably detected.
- the torque-based adaptation of the touch point which preferably can only take place in certain operating states, represents a redundant measure.
- the pressure-based sensing point adaptation takes place upon actuation of the clutch from a fully open position in the direction "clutch closed” or by one fully closed position in the direction of "clutch open". Since in both cases linear regions with a large gradient occur in the course of the pressure characteristic, in both cases the possibility of touch point adaptation is given.
- the shift of the pressure characteristic is determined by means of a control-technical observer.
- the observer known as a technical system from control engineering thus represents an instrument with which signals that are not measured can be reconstructed.
- the use of the control technology observer thus ensures reliable detection of the shift of the pressure curve.
- the invention allows numerous embodiments. One of them will be explained in more detail with reference to the figures shown in the drawing.
- Fig. 3 shows an embodiment of a torque characteristic of a
- FIG. 1 shows schematically the construction of a hydraulic clutch actuation system 1 using the example of a hydrostatic clutch actuator, which shows a structure for actuating a clutch as in clutch actuation systems with single clutches In dual-clutch systems, an analogue structure is available for the second clutch.
- the hydraulic clutch actuation system 1 comprises a control unit 2 which actuates a hydrostatic clutch actuator 3.
- a piston 4 of a master cylinder 5 is moved along the Aktorweges to the right, whereby the volume changed in the master cylinder 5 and a pressure p in the master cylinder 5 is constructed.
- This pressure p is transmitted via a hydraulic fluid 6, which serves as a pressure medium, via a hydraulic line 7 to a slave cylinder 8, which actuates the clutch 9 via a preload spring 12.
- the pressure p of the hydraulic fluid 6 causes in the slave cylinder 8 a path change, which is reflected in the operation of the clutch 9.
- the pressure p is determined in the master cylinder 5 by means of a pressure measuring device 10, which is connected to the control unit 2.
- the distance s traveled by the clutch actuator 3 is determined by a displacement sensor 11.
- Clutch actuator 3 traveled path is equated below with the path of the clutch 9.
- the clutch 9 is a clutch that is closed in the unactuated state, which is also referred to as a "normally closed” clutch, and such a “normally closed” clutch is closed in the unactuated state via a preload spring 12. If the clutch 9 is to be opened, a force is exerted on the preload spring 12 via a release bearing 13, whereby the clutch 9 is relieved until it is completely opened.
- Clutch actuator 3 behaves differently than the course of transmittable in the clutch 9 torque M over the path s, which is apparent from Figures 2 and 3, both gradients have some common dependencies that allow a pressure-based adaptation of the touch point TP.
- a pressure characteristic of a clutch actuator 3 of the "normally closed” clutch 9 is shown, which represents the pressure p over the path s, while Fig. 3 represents a torque characteristic in which the moment M of the clutch 9 shown on the path s is. such a pressure characteristic and such torque characteristic be included in an initialization process, and evaluated by the control device 2 and stored
- a Jerusalem sttician the clutch 9 is in the torque characteristic curve TPST determined.
- This concerttasttician TP S corresponding to t s a way that the clutch actuator. 3 has traveled.
- This ceremonitastddling TPST is transferred into the pressure characteristic and forms the starting point for an adaption of the touch point TP during operation of the clutch 9 by means of the pressure characteristic curve. the determination of the TP Crowtastfurs S t from the
- Torque characteristic is necessary because this is not unique in the pressure characteristic lets recognize. Therefore, it is initially determined by a method independent of the pressure characteristic. Variations of the touch point TP are determined during the operation of the clutch 9 from the shift of the pressure characteristic. As a target range for the displacement, a gradient of the pressure characteristic is used, preferably an area in which the gradient is greatest.
- Fig. 2 the pressure characteristic determined during the initialization phase is indicated by the curve A, while the curve B represents the pressure characteristic shifted during the driving operation.
- Fig. 3 shows the curve C the
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE112016001227.6T DE112016001227B4 (de) | 2015-03-17 | 2016-03-02 | Verfahren zur Adaption eines Tastpunktes einer im unbetätigten Zustand geschlossenen Kupplung |
KR1020177025845A KR20170129736A (ko) | 2015-03-17 | 2016-03-02 | 비작동 상태에서 폐쇄된 클러치의 접촉점 적응 방법 |
CN201680016523.2A CN107429763B (zh) | 2015-03-17 | 2016-03-02 | 用于适配在未操纵状态下闭合的离合器的半接合点的方法 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102015204749.0 | 2015-03-17 | ||
DE102015204749 | 2015-03-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2016146118A1 true WO2016146118A1 (de) | 2016-09-22 |
Family
ID=55802138
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE2016/200112 WO2016146118A1 (de) | 2015-03-17 | 2016-03-02 | Verfahren zur adaption eines tastpunktes einer im unbetätigten zustand geschlossenen kupplung |
Country Status (4)
Country | Link |
---|---|
KR (1) | KR20170129736A (de) |
CN (1) | CN107429763B (de) |
DE (2) | DE102016203370A1 (de) |
WO (1) | WO2016146118A1 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018065001A1 (de) * | 2016-10-05 | 2018-04-12 | Schaeffler Technologies AG & Co. KG | Verfahren zur ansteuerung einer hydraulischen getriebeaktoranordnung |
CN108331856A (zh) * | 2017-01-18 | 2018-07-27 | 舍弗勒技术股份两合公司 | 用于适配摩擦离合器的接触点的方法 |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102016220457A1 (de) | 2016-10-19 | 2018-04-19 | Schaeffler Technologies AG & Co. KG | Aktor für eine Kupplung mit geklemmtem Federhaltering |
DE102018201167B3 (de) * | 2018-01-25 | 2019-05-02 | Zf Friedrichshafen Ag | Verfahren zum Überführen einer hydraulischen Kupplung zum Anlegepunkt |
CN112032294B (zh) * | 2020-09-14 | 2021-11-26 | 一汽解放汽车有限公司 | 一种车辆操作方法和装置 |
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EP1741950A1 (de) * | 2005-07-06 | 2007-01-10 | Getrag Ford Transmissions GmbH | Verfahren zur Ermittlung des Greifpunktes einer Kupplung |
WO2008028817A1 (de) * | 2006-09-08 | 2008-03-13 | Zf Friedrichshafen Ag | Verfahren zur detektierung des anlegepunktes einer kupplung, insbesondere einer nassen anfahrkupplung |
DE102011014572A1 (de) | 2010-04-08 | 2011-12-15 | Schaeffler Technologies Gmbh & Co. Kg | Verfahren zum Steuern einer automatisierten Kupplung |
DE102012204940A1 (de) * | 2011-04-15 | 2012-10-18 | Schaeffler Technologies AG & Co. KG | Verfahren zur Adaption von Parametern einer Kupplung |
DE102013201215A1 (de) * | 2013-01-25 | 2014-07-31 | Schaeffler Technologies Gmbh & Co. Kg | Verfahren zur Ermittlung von Parametern einer Reibungskupplungseinrichtung |
Family Cites Families (11)
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DE102007026770A1 (de) * | 2007-06-09 | 2008-12-11 | Zf Friedrichshafen Ag | Verfahren und Vorrichtung zum Bestimmen des Kupplungsverschleißes |
JP5153525B2 (ja) * | 2008-09-01 | 2013-02-27 | 本田技研工業株式会社 | クラッチ制御装置 |
WO2011006466A1 (de) * | 2009-07-16 | 2011-01-20 | Schaeffler Technologies Gmbh & Co. Kg | Kupplungstastpunkte |
DE102009028374A1 (de) * | 2009-08-10 | 2011-02-17 | Robert Bosch Gmbh | Verfahren und Vorrichtung zur Adaption und/oder Diagnose eines in einem Hybridfahrzeug angeordneten Verbrennungsmotors |
CN102859224B (zh) * | 2010-04-26 | 2015-06-17 | 舍弗勒技术股份两合公司 | 用于适配汽车动力传动系中离合器的接触点的方法 |
CN102060011A (zh) * | 2010-12-23 | 2011-05-18 | 浙江万里扬变速器股份有限公司 | 一种适用于amt车辆在坡道上起步时防溜车的控制方法 |
DE102012204929A1 (de) * | 2011-04-15 | 2012-10-18 | Schaeffler Technologies AG & Co. KG | Verfahren zur Inbetriebnahme einer Kupplung |
DE102012201515A1 (de) * | 2012-02-02 | 2013-08-08 | Continental Teves Ag & Co. Ohg | Verfahren zum Betrieb einer Bremsanlage für Kraftfahrzeuge sowie Bremsanlage |
WO2014067516A1 (de) | 2012-10-31 | 2014-05-08 | Schaeffler Technologies AG & Co. KG | Verfahren zur betätigung einer reibungskupplung |
DE112014002172B4 (de) | 2013-04-25 | 2022-11-03 | Schaeffler Technologies AG & Co. KG | Verfahren zum Steuern einer von einer Reibungskupplungseinrichtung übertragenen mechanischen Leistung |
CN104089002A (zh) * | 2014-07-01 | 2014-10-08 | 盛瑞传动股份有限公司 | 换挡协同控制方法及相关设备 |
-
2016
- 2016-03-02 KR KR1020177025845A patent/KR20170129736A/ko not_active Application Discontinuation
- 2016-03-02 WO PCT/DE2016/200112 patent/WO2016146118A1/de active Application Filing
- 2016-03-02 DE DE102016203370.0A patent/DE102016203370A1/de not_active Withdrawn
- 2016-03-02 CN CN201680016523.2A patent/CN107429763B/zh not_active Expired - Fee Related
- 2016-03-02 DE DE112016001227.6T patent/DE112016001227B4/de active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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EP1741950A1 (de) * | 2005-07-06 | 2007-01-10 | Getrag Ford Transmissions GmbH | Verfahren zur Ermittlung des Greifpunktes einer Kupplung |
WO2008028817A1 (de) * | 2006-09-08 | 2008-03-13 | Zf Friedrichshafen Ag | Verfahren zur detektierung des anlegepunktes einer kupplung, insbesondere einer nassen anfahrkupplung |
DE102011014572A1 (de) | 2010-04-08 | 2011-12-15 | Schaeffler Technologies Gmbh & Co. Kg | Verfahren zum Steuern einer automatisierten Kupplung |
DE102012204940A1 (de) * | 2011-04-15 | 2012-10-18 | Schaeffler Technologies AG & Co. KG | Verfahren zur Adaption von Parametern einer Kupplung |
DE102013201215A1 (de) * | 2013-01-25 | 2014-07-31 | Schaeffler Technologies Gmbh & Co. Kg | Verfahren zur Ermittlung von Parametern einer Reibungskupplungseinrichtung |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018065001A1 (de) * | 2016-10-05 | 2018-04-12 | Schaeffler Technologies AG & Co. KG | Verfahren zur ansteuerung einer hydraulischen getriebeaktoranordnung |
CN109715969A (zh) * | 2016-10-05 | 2019-05-03 | 舍弗勒技术股份两合公司 | 用于操控液压式变速器致动器组件的方法 |
CN109715969B (zh) * | 2016-10-05 | 2020-09-01 | 舍弗勒技术股份两合公司 | 用于操控液压式变速器致动器组件的方法 |
CN108331856A (zh) * | 2017-01-18 | 2018-07-27 | 舍弗勒技术股份两合公司 | 用于适配摩擦离合器的接触点的方法 |
CN108331856B (zh) * | 2017-01-18 | 2021-04-20 | 舍弗勒技术股份两合公司 | 用于适配摩擦离合器的接触点的方法 |
Also Published As
Publication number | Publication date |
---|---|
CN107429763A (zh) | 2017-12-01 |
CN107429763B (zh) | 2019-07-23 |
DE112016001227B4 (de) | 2023-03-23 |
DE102016203370A1 (de) | 2016-09-22 |
DE112016001227A5 (de) | 2017-12-21 |
KR20170129736A (ko) | 2017-11-27 |
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