WO2013124121A1 - Verfahren zur steuerung einer reibungskupplung - Google Patents
Verfahren zur steuerung einer reibungskupplung Download PDFInfo
- Publication number
- WO2013124121A1 WO2013124121A1 PCT/EP2013/051539 EP2013051539W WO2013124121A1 WO 2013124121 A1 WO2013124121 A1 WO 2013124121A1 EP 2013051539 W EP2013051539 W EP 2013051539W WO 2013124121 A1 WO2013124121 A1 WO 2013124121A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- soll
- filter
- clutch
- torque
- conversion function
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
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
- 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
- F16D2500/3027—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
- F16D2500/30—Signal inputs
- F16D2500/316—Other signal inputs not covered by the groups above
- F16D2500/3166—Detection of an elapsed period of time
-
- 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
- F16D2500/501—Relating the actuator
- F16D2500/5012—Accurate determination of the clutch positions, e.g. treating the signal from the position sensor, or by using two position sensors for determination
-
- 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
- F16D2500/50236—Adaptations of the clutch characteristics, e.g. curve clutch capacity torque - clutch actuator displacement
-
- 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
- F16D2500/70235—Displacement
-
- 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
- F16D2500/70252—Clutch torque
- F16D2500/70264—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
- F16D2500/70—Details about the implementation of the control system
- F16D2500/704—Output parameters from the control unit; Target parameters to be controlled
- F16D2500/70402—Actuator parameters
- F16D2500/70408—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
- F16D2500/70—Details about the implementation of the control system
- F16D2500/706—Strategy of control
- F16D2500/70605—Adaptive correction; Modifying control system parameters, e.g. gains, constants, look-up tables
-
- 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
- F16D2500/706—Strategy of control
- F16D2500/70668—Signal filtering
-
- 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
- F16D2500/708—Mathematical model
- F16D2500/7082—Mathematical model of the clutch
Definitions
- the invention relates to a method for controlling a arranged between an internal combustion engine and a gear friction clutch by means of a control device which controls by means of a clutch actuator depending on a predetermined target torque by means of a conversion function of the target torque associated control variable set, transmitted via the friction clutch actual torque.
- the automated friction clutch is actuated by a clutch actuator, which is controlled by a control device based on a setpoint torque output by the control device as a function of control variables such as, for example, a driver desired torque and the like.
- the torque to be transmitted via the clutch torque is converted by means of a conversion function, in which the geometric and physical properties of the friction clutch and the clutch actuator, in a manipulated variable, depending on the design of the clutch actuator with electric, hydraulic or pneumatic drive according to electrical, hydraulic or pneumatic manipulated variable is formed and corresponds to an actuating travel of the clutch actuator for setting a corresponding clutch travel.
- the manipulated variable for the operation of a relative to the static hysteresis compensated operation of the clutch actuator is corrected with a correction quantity.
- the correction variable does not take into account a dynamic hysteresis, which is dependent on the actuator speed or operating speed, with which the setting of the manipulated variable is made by means of the clutch actuator.
- a static compensation of the hysteresis may not be sufficient to precisely control the friction clutch.
- the object of the invention is therefore to propose a method for controlling a friction clutch, which compensates for the occurring dynamic hysteresis independently of the switching speed of the friction clutch.
- Gear arranged friction clutch by means of a control device which controls by means of a clutch actuator depending on a predetermined desired torque set by means of a conversion function of the target torque set value, transmitted via the friction clutch actual torque is provided, depending on an operating speed of the clutch actuator conditional dynamic hysteresis of the actual torque between an opening and a closing operation of the friction clutch by means of a switched between an input of the desired torque and an output of the manipulated variable filter with a predetermined time constant to compensate.
- the dynamic hysteresis is working with a constant time constant, whereby the known dynamic hysteresis is reproduced at maximum actuation speed of the clutch actuator. If empirical values are available, however, the time constant can now also be a-daptiert, for example, due to aging or Temperaturinflüs- se, or depending on the position because, for example, in one area of the clutch, the dynamic hysteresis is less pronounced.
- the time constant depending on the desired torque and / or the manipulated variable for example, the actuating travel and the operating speed of the clutch actuator can be specified. It has proven to be advantageous if the filter is designed as a ⁇ - filter. At the same time, an adaptation of the time constant and hysteresis limit of all influencing variables on the friction clutch and the determination of the dynamic hysteresis, for example, on the position and operating speed of the clutch actuator dependent.
- the control device converts the torque to be applied to the friction clutch by means of the conversion function into the manipulated variable, which specifies the desired actuation travel at a corresponding drive of the clutch actuator and adjusts the actual torque.
- the conversion function provides next to the gripping point at which the friction clutch begins to transmit torque, an assignment of a coefficient of friction to a actuation path and thus a transmissible torque for a given actuation path, for example, based on a clutch characteristic or a clutch model, an adaptation of the coefficient of friction to the life, temperature and the like as well as the compensation of the static hysteresis available.
- the compensation of the dynamic hysteresis can be done before or after the conversion function. This means that the filter is followed by the compensation of the input of the setpoint torque and switched before the conversion function. In this way, the target torque is delayed in time.
- the filter of the conversion function downstream and be preceded by the output of the manipulated variable, so that it is directly delayed.
- the filter may be divided into two filter parts having the same or different time constants before and after the conversion function. Furthermore, a time-delayed output of the manipulated variable caused by the filter can be added to a compensation of a stationary hysteresis in the conversion function.
- FIG. 1 shows a block diagram of a control routine for controlling a friction clutch without compensation of the dynamic hysteresis
- FIG. 2 shows a block diagram of a control routine for controlling a friction clutch with compensation of dynamic hysteresis.
- FIG. 3 is a block diagram of a control routine for controlling a friction clutch with compensation of the dynamic hysteresis with respect to the control device of Figure 2 modified arrangement of the filter,
- Figure 4 is a diagram illustrating the dynamic hysteresis
- Figure 5 is a diagram showing the static and dynamic hysteresis.
- Figure 1 shows a detail of the control routine 10 for controlling a friction clutch according to the prior art.
- vehicle data such as a driver's desired torque, a sequence control of the control device of the friction clutch, by a transmission control and the like, the target torque M (soll), which is to be transmitted via the friction clutch requested.
- the manipulated variable s (soll) is determined from the setpoint torque M (soll). This determination can be made on the basis of a preferably adaptable clutch characteristic, a clutch model and the like.
- correction values for example the static hysteresis, are determined and the manipulated variable s (soll) is impressed in the conversion function.
- the manipulated variable s (should) controls the clutch actuator 14 to a corresponding actuation path at which the friction clutch is to transmit the corresponding desired torque M (should). Due to the disturbances present in the transmission path, the actual torque M (is) deviating from the setpoint torque M (soll) is set, which is regulated in control functions, not illustrated, of the control device, for example by means of a slip control and the like to the setpoint torque M (soll). Due to the variable actuator speed of the clutch actuator 14, with which this adjusts the manipulated variable s (soll), an uncompensated dynamic hysteresis occurs in addition to the compensated in the conversion function 12 static hysteresis.
- FIG. 2 shows the control routine 1, which is able to compensate for the dynamic hysteresis.
- the filter 5 is arranged.
- the filter 5 is designed as a PT1 filter and delays the target torque M (soll) to one of the time delay of the dynamic hysteresis of the actual torque M (is) corresponding target torque M (soll, t), which is the conversion function 2 and fed to the manipulated variable s (should, t) be converted.
- the time constant of the filter 5 is adjusted accordingly.
- the correcting variable s (soll, t) corrected in this way is output to the clutch actuator 4.
- FIG. 3 shows a modification of the control routine 1 of FIG. 2 in the form of the control routine 1 a.
- this is provided with the filter 5a, which is arranged between the conversion function 2 and the clutch actuator 4. Consequently, the desired torque M (soll) requested by the interface 3 is converted unchanged in the conversion function 2, and the manipulated variable s (soll) is output according to the control routine 10 of FIG.
- the subsequent filter 5a delays the manipulated variable s (soll) to the manipulated variable s (soll, t), which is output to the clutch actuator 4.
- FIG. 4 shows a diagram of the dynamic hysteresis of the actual torque M (ist) over the actuating travel s set by the manipulated variable.
- the characteristic curve 6 indicates the ideal behavior of the actual torque M (ist) against the actuation travel s without hysteresis. If the friction clutch is opened and closed, all torque / displacement pairs lie on this characteristic. In the presence of a dynamic hysteresis, the actual torque M (ist) follows the output value of the actuation path s with a time delay. When the friction clutch is closed, torque / displacement pairs are set in the hysteresis range 7 and when the friction clutch is opened in the hysteresis range 8. The exact location of these torque / displacement pairs depends on the relation of the actuation speed of the clutch actuator to the time constant of the filter 5, 5a (FIGS. 2, 3). With exact setting of the time constant creates a quasi-static movement of the clutch actuator, so that can be worked near the characteristic curve 6.
- FIG. 5 shows a diagram of the actual torque M (is) versus the actuation travel s with the ideal characteristic curve 6, the hysteresis regions 17, 18 of the static hysteresis and the hysteresis regions 7, 8 of the dynamic hysteresis adjoining this.
- the static hysteresis is compensated by a corresponding correction variable, so that in the diagram shown the boundary lines 19, 20 ideally coincide.
- the hysteresis regions 7, 8 are eliminated by optimizing the time constant of the filter 5, 5a (FIGS. 2, 3).
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
Description
Claims
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE112013001098.4T DE112013001098B4 (de) | 2012-02-22 | 2013-01-28 | Verfahren zur Steuerung einer Reibungskupplung |
| CN201380005830.7A CN104094008B (zh) | 2012-02-22 | 2013-01-28 | 用于控制摩擦离合器的方法 |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102012202681 | 2012-02-22 | ||
| DE102012202681.9 | 2012-02-22 | ||
| DE102012211782.2 | 2012-07-06 | ||
| DE102012211782 | 2012-07-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2013124121A1 true WO2013124121A1 (de) | 2013-08-29 |
Family
ID=47678726
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/EP2013/051539 Ceased WO2013124121A1 (de) | 2012-02-22 | 2013-01-28 | Verfahren zur steuerung einer reibungskupplung |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN104094008B (de) |
| DE (2) | DE112013001098B4 (de) |
| WO (1) | WO2013124121A1 (de) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10228035B2 (en) | 2016-06-20 | 2019-03-12 | Kongsberg Automotive As | Velocity dependent brake for clutch actuator |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106255839B (zh) | 2014-05-09 | 2019-02-22 | 舍弗勒技术股份两合公司 | 具有迟滞考虑的离合器控制 |
| DE112016003333B4 (de) * | 2015-07-23 | 2023-02-02 | Schaeffler Technologies AG & Co. KG | Verfahren zur steuerung einer automatisierten reibungskupplung |
| DE102016209998B3 (de) * | 2016-06-07 | 2017-09-21 | Audi Ag | Fahrzeug sowie Verfahren zum Betreiben einer Kupplung als Anfahrelement |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102007055743A1 (de) * | 2007-12-10 | 2009-06-18 | Zf Friedrichshafen Ag | Verfahren zur Ermittlung des axialen Verschleißes und der Gegenkraftsteigung bei einem Lamellenschaltelement |
| US20110098897A1 (en) * | 2009-10-22 | 2011-04-28 | Matthew Richard Busdiecker | Method of identifying a release bearing touch point in a clutch system |
| DE102011011152A1 (de) | 2010-03-04 | 2011-09-08 | Schaeffler Technologies Gmbh & Co. Kg | Verfahren zur Steuerung einer Reibungskupplung und Vorrichtung hierzu |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10225285A1 (de) * | 2001-06-13 | 2002-12-19 | Luk Lamellen & Kupplungsbau | Verfahren und ein System zum Regeln des Drehmomentübertragungsvermögens einer reibschlüssig Drehmoment übertragenden Baugruppe |
| EP1474623A2 (de) * | 2002-02-07 | 2004-11-10 | LuK Lamellen und Kupplungsbau Beteiligungs KG | Verfahren zum regeln der bersetzung eines leistungsverzweig ten automatischen getriebes sowie leistungsverzweigtes automatisches getriebe |
| DE102008028180A1 (de) * | 2007-06-25 | 2009-01-08 | Luk Lamellen Und Kupplungsbau Beteiligungs Kg | Verfahren zur Adaption einer Kupplungskennlinie bei vorhandener Kupplungshysterese |
| DE112010001657B4 (de) * | 2009-04-17 | 2019-12-19 | Schaeffler Technologies AG & Co. KG | Verfahren und Vorrichtung zur Ermittlung von Kupplungsparametern |
-
2013
- 2013-01-28 WO PCT/EP2013/051539 patent/WO2013124121A1/de not_active Ceased
- 2013-01-28 DE DE112013001098.4T patent/DE112013001098B4/de not_active Expired - Fee Related
- 2013-01-28 CN CN201380005830.7A patent/CN104094008B/zh not_active Expired - Fee Related
- 2013-01-28 DE DE102013201261A patent/DE102013201261A1/de not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102007055743A1 (de) * | 2007-12-10 | 2009-06-18 | Zf Friedrichshafen Ag | Verfahren zur Ermittlung des axialen Verschleißes und der Gegenkraftsteigung bei einem Lamellenschaltelement |
| US20110098897A1 (en) * | 2009-10-22 | 2011-04-28 | Matthew Richard Busdiecker | Method of identifying a release bearing touch point in a clutch system |
| DE102011011152A1 (de) | 2010-03-04 | 2011-09-08 | Schaeffler Technologies Gmbh & Co. Kg | Verfahren zur Steuerung einer Reibungskupplung und Vorrichtung hierzu |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10228035B2 (en) | 2016-06-20 | 2019-03-12 | Kongsberg Automotive As | Velocity dependent brake for clutch actuator |
Also Published As
| Publication number | Publication date |
|---|---|
| DE112013001098A5 (de) | 2014-11-06 |
| DE112013001098B4 (de) | 2019-04-18 |
| CN104094008B (zh) | 2017-03-15 |
| CN104094008A (zh) | 2014-10-08 |
| DE102013201261A1 (de) | 2013-08-22 |
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