WO2003087615A1 - Commande de boite de vitesses et procede permettant l'adaptation du coefficient de frottement - Google Patents

Commande de boite de vitesses et procede permettant l'adaptation du coefficient de frottement Download PDF

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Publication number
WO2003087615A1
WO2003087615A1 PCT/DE2003/001197 DE0301197W WO03087615A1 WO 2003087615 A1 WO2003087615 A1 WO 2003087615A1 DE 0301197 W DE0301197 W DE 0301197W WO 03087615 A1 WO03087615 A1 WO 03087615A1
Authority
WO
WIPO (PCT)
Prior art keywords
clutch
coefficient
friction
adaptation
actual
Prior art date
Application number
PCT/DE2003/001197
Other languages
German (de)
English (en)
Inventor
Klaus Henneberger
Jürgen GERHART
Original Assignee
Luk Lamellen Und Kupplungsbau Beteiligungs Kg
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Luk Lamellen Und Kupplungsbau Beteiligungs Kg filed Critical Luk Lamellen Und Kupplungsbau Beteiligungs Kg
Priority to FR0304476A priority Critical patent/FR2839686A1/fr
Priority to DE10391572T priority patent/DE10391572D2/de
Priority to AU2003233942A priority patent/AU2003233942A1/en
Priority to DE10316458A priority patent/DE10316458B4/de
Priority to PCT/DE2003/001197 priority patent/WO2003087615A1/fr
Publication of WO2003087615A1 publication Critical patent/WO2003087615A1/fr

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
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/04—Features relating to lubrication or cooling or heating
    • 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
    • F16D2500/30—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
    • F16D2500/30406—Clutch slip
    • 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
    • F16D2500/50—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
    • 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
    • F16D2500/70663—State analysis; Analysing potential states of the machine and developing control strategies at each state
    • 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
    • F16H2342/00—Calibrating
    • F16H2342/04—Calibrating engagement of friction elements
    • F16H2342/044—Torque transmitting capability

Definitions

  • the present invention relates to a transmission control and a method for performing a coefficient of friction adaptation in a clutch, in particular an automated clutch, of a transmission.
  • the coefficient of friction can be used as an adjustment factor.
  • the coefficient of friction can e.g. B. can be adapted for starts and circuits. These can be used to detect short-term and long-term changes in the physical torque characteristic and take them into account when actuating the clutch.
  • an extremely low coefficient of friction can be disadvantageously only slowly corrected upwards due to a short slip phase.
  • a too high touch point can be taught in during commissioning in the vehicle plant, for example due to a ventilation that has not been carried out completely.
  • This behavior is compensated for by the coefficient of friction adaptation, in which the coefficient of friction is significantly reduced.
  • the air can escape from the system during the first switching operations.
  • the touch point can be corrected relatively quickly using the touch point adaptation.
  • the coefficient of friction cannot follow the fast touch point adaptation and this can continue to assume the low values.
  • the driver can experience an extremely uncomfortable shifting process, ie hard disengagement and engagement can occur.
  • the coefficient of friction is strongly temperature-dependent.
  • the physical coefficient of friction of the clutch increases with temperature and drops sharply again at a specific temperature. This is also known as fading.
  • the present invention is based on the object of proposing a transmission control and a method for performing a coefficient of friction adaptation in order to further improve the control of the clutch.
  • the object can be achieved by an improved method for performing a coefficient of friction adaptation in a clutch, in particular an automated clutch, in a transmission, in which the coefficient of friction is changed as a function of at least one clutch size.
  • the coefficient of friction adaptation according to the invention is modified such that the disadvantages known from the prior art are avoided.
  • the process such. B. the start and / or the duration of the adaptation can be influenced.
  • a next development of the invention can provide that in the context of the coefficient of friction adaptation z. B. during a slip phase of the clutch, the actual clutch torque determined in the clutch control is compared with the physical, actual value of the clutch torque.
  • the physical clutch torque can preferably be determined from the engine torque and the engine acceleration.
  • the software coefficient of friction that is to say the value stored in the transmission or clutch control, is preferably changed in small steps or increments. For example, 15 increments per circuit or start-up can preferably be used.
  • the maximum change can be selected in such a way that sufficient robustness of the coefficient of friction adaptation is ensured.
  • the maximum value of the increments used can be increased by a certain value.
  • Coupling temperature is increased.
  • the maximum increment is also possible for the maximum increment to be determined in a map, which is dependent, for example, on the clutch temperature and / or the temperature gradient, so that the coefficient of friction can be changed more quickly at higher temperatures and / or higher temperature gradients.
  • the coefficient of friction adaptation takes place due to the properties of the coefficient of friction adaptation described above, namely to act relatively quickly when the coefficient of friction is too high, while the adaptation in the opposite direction is significantly slower or does not react at all is adapted accordingly to these properties. In this way, the shift comfort can be increased by the proposed coefficient of friction adaptation.
  • the coefficient of friction adaptation can preferably be adapted if the coefficient of friction adaptation is not carried out or evaluated in a shift due to a too short slip period and / or the slip period is too short for the specific shift at a given speed jump. It is also possible to determine other criteria in order to further improve the coefficient of friction adaptation according to the invention.
  • the coefficient of friction is either absolute by a certain proportion and / or is increased relatively by a certain percentage. In this way it can be ensured that the coefficient of friction adaptation can be adapted again from the so-called deadlock situation described at the beginning. This means that the
  • Slip duration can be achieved so that a normal evaluation of the coefficient of friction adaptation can advantageously be carried out.
  • the coefficient of friction adaptation according to the invention can also be further simplified.
  • a predetermined coefficient of friction or a limit value for example, during each adaptation phase or the like, without taking into account the evaluation of the adaptation, a certain, fixed portion increasing the coefficient of friction. If this proportion is smaller than the maximum permissible change in adaptation, this can also ensure the desired behavior when actuating the clutch.
  • This type of coefficient of friction adaptation is preferably used in an electronic clutch management (EKM), in an automated manual transmission (ASG), in a parallel manual transmission (PSG) and / or in an uninterruptible manual transmission (USG).
  • EKM electronic clutch management
  • ASG automated manual transmission
  • PSG parallel manual transmission
  • USB uninterruptible manual transmission
  • the object on which the invention is based can be achieved in terms of the device by means of a transmission control for a transmission with a clutch, in particular an automated clutch, in particular for carrying out the proposed method, in which at least one device for detecting and evaluating clutch sizes is provided in order to determine the course of the Adapt the coefficient of friction accordingly.

Landscapes

  • 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)

Abstract

La présente invention concerne un procédé permettant l'adaptation du coefficient de frottement d'un embrayage, notamment d'un embrayage automatique, d'une boîte de vitesses, dans lequel le coefficient de frottement est modifié en fonction d'au moins un paramètre d'embrayage. L'invention a également pour objet une commande de boîte de vitesses destinée à une boîte de vitesses qui comprend un embrayage, notamment une embrayage automatique, permettant notamment la mise en oeuvre du procédé, au moins un système de détection et d'interprétation de paramètres d'embrayage étant utilisé pour adapter en conséquence l'évolution dans le temps de l'adaptation du coefficient de frottement.
PCT/DE2003/001197 2002-04-10 2003-04-10 Commande de boite de vitesses et procede permettant l'adaptation du coefficient de frottement WO2003087615A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR0304476A FR2839686A1 (fr) 2002-04-10 2003-04-10 Commande de boite de vitesses et procede permettant d'effectuer une adaptation du coefficient de frottement
DE10391572T DE10391572D2 (de) 2002-04-10 2003-04-10 Getriebesteuerung und Verfahren zum Druchführen einer Reibwertadaption
AU2003233942A AU2003233942A1 (en) 2002-04-10 2003-04-10 Gearbox control system and method for adapting the friction coefficient
DE10316458A DE10316458B4 (de) 2002-04-10 2003-04-10 Getriebesteuerung und Verfahren zum Durchführen einer Reibwertadaption
PCT/DE2003/001197 WO2003087615A1 (fr) 2002-04-10 2003-04-10 Commande de boite de vitesses et procede permettant l'adaptation du coefficient de frottement

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
DE10215715 2002-04-10
DE10215715.4 2002-04-10
DE10219737 2002-05-02
DE10219737.7 2002-05-02
PCT/DE2003/001197 WO2003087615A1 (fr) 2002-04-10 2003-04-10 Commande de boite de vitesses et procede permettant l'adaptation du coefficient de frottement

Publications (1)

Publication Number Publication Date
WO2003087615A1 true WO2003087615A1 (fr) 2003-10-23

Family

ID=35652697

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2003/001197 WO2003087615A1 (fr) 2002-04-10 2003-04-10 Commande de boite de vitesses et procede permettant l'adaptation du coefficient de frottement

Country Status (3)

Country Link
DE (1) DE10316458B4 (fr)
FR (1) FR2839686A1 (fr)
WO (1) WO2003087615A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2273145A1 (fr) * 2008-03-31 2011-01-12 Honda Motor Co., Ltd. Dispositif de commande d'embrayage et procédé de calcul d'un facteur de correction m
US10672207B2 (en) 2017-01-20 2020-06-02 Polaris Industries Inc. Diagnostic systems and methods of a continuously variable transmission

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1584832B1 (fr) * 2004-04-06 2009-02-25 LuK Lamellen und Kupplungsbau Beteiligungs KG Méthode pour contrôler le couple d'un embrayage d'une boîte de vitesses automatisée et appareil pour réaliser la méthode
WO2014012541A1 (fr) 2012-07-17 2014-01-23 Schaeffler Technologies AG & Co. KG Procédé de détermination de paramètres d'un dispositif d'embrayage à friction
DE102014222457A1 (de) 2014-11-04 2016-05-04 Schaeffler Technologies AG & Co. KG Verfahren zur Ermittlung eines Übertragungsverhaltens eines Antriebsstrangs
DE102016201569A1 (de) 2016-02-02 2017-08-03 Zf Friedrichshafen Ag Steuerverfahren für ein Reibschaltelement eines Kraftfahrzeuggetriebes; elektronisches Steuergerät umfassend dieses Steuerverfahren; sowie Kraftfahrzeuggetriebe betrieben mit diesem Steuerverfahren

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4241995A1 (de) * 1992-12-12 1994-06-16 Daimler Benz Ag Anordnung zur Einstellung des Kupplungsschlupfes einer im Kraftfluß einem Antriebsmotor eines Kraftfahrzeuges nachgeordneten Reibungskupplung
DE19504847A1 (de) * 1994-02-23 1995-09-28 Luk Getriebe Systeme Gmbh Steuerverfahren für ein Drehmoment-Übertragungssystem und Drehmoment-Übertragungssystem zur Durchführung des Steuerverfahrens
DE10114880A1 (de) * 2000-04-03 2001-10-11 Luk Lamellen & Kupplungsbau Getriebe
WO2002023066A1 (fr) * 2000-09-15 2002-03-21 Robert Bosch Gmbh Procede et dispositif d'exploitation d'un embrayage

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5835887B2 (ja) * 1975-06-25 1983-08-05 日産自動車株式会社 ジドウクラツチニオケルクラツチバンノ マサツケイスウホシヨウソウチ
AU2002311074A1 (en) * 2001-04-02 2002-10-15 Luk Lamellen Und Kupplungsbau Beteiligungs Kg Method for controlling an automatic clutch

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4241995A1 (de) * 1992-12-12 1994-06-16 Daimler Benz Ag Anordnung zur Einstellung des Kupplungsschlupfes einer im Kraftfluß einem Antriebsmotor eines Kraftfahrzeuges nachgeordneten Reibungskupplung
DE19504847A1 (de) * 1994-02-23 1995-09-28 Luk Getriebe Systeme Gmbh Steuerverfahren für ein Drehmoment-Übertragungssystem und Drehmoment-Übertragungssystem zur Durchführung des Steuerverfahrens
DE10114880A1 (de) * 2000-04-03 2001-10-11 Luk Lamellen & Kupplungsbau Getriebe
WO2002023066A1 (fr) * 2000-09-15 2002-03-21 Robert Bosch Gmbh Procede et dispositif d'exploitation d'un embrayage

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2273145A1 (fr) * 2008-03-31 2011-01-12 Honda Motor Co., Ltd. Dispositif de commande d'embrayage et procédé de calcul d'un facteur de correction m
EP2273145A4 (fr) * 2008-03-31 2012-11-28 Honda Motor Co Ltd Dispositif de commande d'embrayage et procédé de calcul d'un facteur de correction m
US8612104B2 (en) 2008-03-31 2013-12-17 Honda Motor Co., Ltd. Clutch control device and μ correction coefficient calculating method
US10672207B2 (en) 2017-01-20 2020-06-02 Polaris Industries Inc. Diagnostic systems and methods of a continuously variable transmission
US11430272B2 (en) 2017-01-20 2022-08-30 Polaris Industries Inc. Diagnostic systems and methods of a continuously variable transmission

Also Published As

Publication number Publication date
FR2839686A1 (fr) 2003-11-21
DE10316458B4 (de) 2013-10-31
DE10316458A1 (de) 2003-10-30

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