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WO2018197526A1 - Procédé de diagnostic de coincement d'embrayage et appareil associé - Google Patents

Procédé de diagnostic de coincement d'embrayage et appareil associé Download PDF

Info

Publication number
WO2018197526A1
WO2018197526A1 PCT/EP2018/060527 EP2018060527W WO2018197526A1 WO 2018197526 A1 WO2018197526 A1 WO 2018197526A1 EP 2018060527 W EP2018060527 W EP 2018060527W WO 2018197526 A1 WO2018197526 A1 WO 2018197526A1
Authority
WO
WIPO (PCT)
Prior art keywords
clutch
stuck
actuating motor
control unit
diagnosing
Prior art date
Application number
PCT/EP2018/060527
Other languages
English (en)
Inventor
HyeonDeok SEO
Original Assignee
Continental Automotive Gmbh
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 Continental Automotive Gmbh filed Critical Continental Automotive Gmbh
Publication of WO2018197526A1 publication Critical patent/WO2018197526A1/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
    • 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
    • F16D48/00—External control of clutches
    • F16D48/06—Control by electric or electronic means, e.g. of fluid pressure
    • F16D48/064—Control of electrically or electromagnetically actuated clutches
    • 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
    • F16D48/10—Preventing unintentional or unsafe engagement
    • 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
    • F16D2500/3022—Current
    • 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
    • F16D2500/51—Relating safety
    • F16D2500/5108—Failure diagnosis
    • 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
    • F16D2500/70418—Current

Definitions

  • the present invention relates to a clutch stuck diagnosis method and apparatus, and more particularly, to a clutch stuck diagnosis method and apparatus for diagnosing clutch stuck by which an operation of a clutch mounted on a transmission is not controlled.
  • a transmission means a device mounted on a vehicle and the like to generate an appropriate rotational speed and torque through a torque generating means such as an engine or a motor.
  • a transmission may be represented by a manual transmission in which shifting is performed according to a manual operation of a driver and an automatic transmission in which shifting is automatically performed according to a vehicle speed or an engine load.
  • automatic transmission is being widely used.
  • a double clutch transmission provided with two power transmission clutches.
  • the double clutch transmission selectively transmits rotational force input from an engine to two input sides by using two clutches and performs shifting while alternately the two clutches on the basis of a structure in which an output is realized after the shifting is performed using rotational force of gears disposed on the two input sides.
  • the present invention has been made to solve the above-mentioned problems, and an object according to one aspect of the present invention is to provide a method and apparatus for diagnosing clutch stuck, through which the stuck of the clutch mounted on a transmission is diagnosed to prevent an accident from occurring, and the clutch stuck is diagnosed before starting of an engine as well as after the starting of the engine to prevent possibility of occurrence of the accident.
  • a method for diagnosing clutch stuck is characterized by including steps of allowing a control unit to drive a clutch actuating motor so as to locate the clutch within a set range for engaging the clutch that interrupts power supplied from an engine to a transmission, allowing the control unit to feedback operating current of the driven clutch actuating motor, and allowing the control unit to determine that the stuck occurs in the clutch when a magnitude of the fed back operating current is less than a preset reference value as a case in which the clutch is located in the set range.
  • the reference value may be a magnitude of the operating current of the clutch actuating motor, which is required for locating the clutch within the set range in a normal state in which the sticking does not occur in the clutch.
  • An apparatus for diagnosing clutch stuck is characterized by including: a clutch interrupting power supplied from an engine to a transmission; a clutch actuating motor controlling engagement and dis-engagement of the clutch; and a control unit driving the clutch actuating motor so as to locate the clutch within a set range for engaging the clutch, feeding back an operation current of the driven clutch actuating motor, and determining that the stuck occurs in the clutch when a magnitude of the fed back operating current is less than a preset reference value as a case in which the clutch is located in the set range.
  • the reference value may be a magnitude of the operating current of the clutch actuating motor, which is required for locating the clutch within the set range in a normal state in which the stuck does not occur in the clutch.
  • the clutch may be a dual clutch mounted on a dual clutch transmission (DCT) .
  • DCT dual clutch transmission
  • the stuck state of the clutch may be diagnosed early to prevent the accident due to the clutch stuck from occurring, and only the stuck diagnosis logic which feeds back the operating current of the clutch actuating motor without a separate additional component for diagnosing the clutch stuck to diagnose the clutch stuck may be applied to more economically and effectively diagnose the clutch stuck.
  • FIG. 1 is a block diagram for explaining an apparatus for diagnosing clutch stuck according to an embodiment of the present invention .
  • FIGS. 2 and 3 views for explaining clutching engaging and dis-engaging operation in the apparatus for diagnosing the clutch stuck according to an embodiment of the present invention.
  • FIG. 4 is a flowchart for explaining the apparatus for diagnosing the clutch stuck according to an embodiment of the present invention .
  • FIG. 5 is a view illustrating a relationship between a position of the clutch and the operating current of the clutch actuating motor in the apparatus for diagnosing the clutch stuck according to an embodiment of the present invention.
  • FIG. 1 is a block diagram for explaining an apparatus for diagnosing clutch stuck according to an embodiment of the present invention
  • FIGS. 2 and 3 are views for explaining clutching engaging and dis-engaging operation in the apparatus for di- agnosing the clutch stuck according to an embodiment of the present invention.
  • an apparatus for diagnosing clutch stuck may include a clutch (10), a clutch actuating motor (20), and a control unit (30) .
  • the clutch (10) may include a pressing member (11), an elastic member (13), a pressure plate (15), a clutch disk (17) , and a flywheel (19) .
  • a dual clutch mounted on a dual clutch transmission is described as an example of the clutch (10) as illustrated in FIGS. 2 and 3, the present invention is not limited thereto and may be applied to various clutches such as an automatic transmission and a continuously variable transmission .
  • the clutch (10) may interrupt power supplied from an engine to a transmission.
  • the clutch (10) may include the pressing member (11), the elastic member (13), the pressure plate (15), the clutch disk (17) and the flywheel (19) .
  • the pressing member (11) may be implemented by a release bearing or a thrust bearing, and the elastic member (13) may be implemented by a diaphragm spring, but they are not limited thereto.
  • the clutch actuating motor (20) may control engagement and dis-engagement of the clutch (10) controlled by the control unit (30) that will be described later, and the control unit (30) may control driving of the clutch actuating motor (20) through a separate motor driving driver (not shown) .
  • the clutch actuating motor (20) may be designed to have a structure which is mechanically connected to the pressing member (11) through a screw shaft and a screw nut. Thus, a rotational motion of the clutch actuating motor (20) may be converted into a linear motion to press the pressing member (11) .
  • FIG. 2 illustrates a state in which the clutch actuating motor (20) is turned off to dis-engage the clutch (10) .
  • the control unit (30) drives the clutch actuating motor (20)
  • the rotational motion of the clutch actuating motor (20) may be converted into the linear motion through the screw shaft and the screw nut to press the pressing member (11), and the elastic member (13) and the pressing plate (15) may be pressed by the pressing member (11) in one direction to engage the clutch disk (17) with the flywheel
  • FIG. 3 illustrates a state in which the clutch actuating motor (20) is driven to engage the clutch (10) .
  • This embodiment is characterized in that the stuck of the clutch (10) is diagnosed based on the operating current of the clutch actuating motor (20) , which is required for locating the clutch (10) within a set range by pressing the pressing member (11) and the elastic member (13), and a detailed description thereof will be described later.
  • the elastic member (13) returns to its original state by the elastic force thereof to space the clutch disk (17) apart from the flywheel (19), thereby dis-engaging the clutch (10) .
  • the dual clutch transmission is described as an example in which the clutch (10) is engaged when the clutch actuating actuating motor (20) is driven, and the clutch (10) is dis-engaged when the clutch actuating motor (20) is turned off, in some embodiments, the engagement and dis-engagement of the clutch (20) due to the operation of the clutch actuating motor (20) are implemented to be performed in reverse to the operations according to this embodiment.
  • This embodiment is characterized in that the stuck of the clutch (10), which may occur during a normal operation of the above-described clutch (10), is diagnosed.
  • the configuration for diagnosing the stuck of the clutch (10) will be described in detail with reference to the operation of the control unit (30) .
  • the control unit (30) may drive the clutch actuating motor (20) to locate the clutch (10) within the set range for engaging the clutch (10) and feedback the operating current of the driven clutch actuating motor (20), and then, when a magnitude of the fed back operating current is less than a preset reference value as a case in which the clutch (10) is located in the set range, it may be determined that the sticking occurs in the clutch (10) .
  • the reference value means the magnitude of the operating current of the clutch actuating motor (20) , which is required for locating the clutch (10) within the set range in the normal state in which the stuck does not occur in the clutch (10) , and may be variously designed based on experimental results and previously set in the control unit (30) .
  • FIG. 4 is a flowchart for explaining the apparatus for diagnosing the clutch stuck according to an embodiment of the present invention
  • FIG. 5 is a view illustrating a relationship between a position of the clutch and the operating current of the clutch actuating motor in the apparatus for diagnosing the clutch stuck according to an embodiment of the present invention.
  • the control unit (30) drives the clutch actuating motor (20) to locate the clutch (10) within the set range for engaging the clutch (10) (S10) .
  • the set range means a target position for locating the clutch (10) to diagnose the stuck of the clutch (10)
  • control unit (30) feeds back the operating current of the driven clutch actuating motor (20) (S20) .
  • the control unit (30) determines that the stuck occurs in the clutch (10) (S40), in other cases, the control unit determines that the clutch (10) is in the normal state (S50) .
  • the reference value means the magnitude of the operating current of the clutch actuating motor (20) , which is required for locating the clutch (10) within the set range in the normal state in which the stuck does not occur in the clutch (10) , and may be variously designed based on experimental results and previously set in the control unit (30) .
  • the operating current has a value less than that of the operating current of the clutch actuating motor (20) in the normal state in which the reaction force of the elastic member (13) is applied.
  • the magnitude of the operating current of the clutch actuating motor (20) which is required for locating the clutch (10) within the set range is previously set as the reference value, and the operating current is fed back from the clutch actuating motor (20) while the clutch (10) is located in the set range. Then, when the magnitude is less than the reference value, since it is determined that the clutch actuating motor (20) is operating without receiving the reaction force of the elastic member (13), it may be determined that the stuck occurs in the clutch (10) . When it is determined that the stuck occurs in the clutch (10), the control unit (30) according to this embodiment may audibly warn the driver that the clutch (10) needs to be repaired through a display or a speaker on a cluster unit.
  • the clutch (10) according to this embodiment may be implemented as the dual clutch mounted on the dual clutch transmission.
  • the method for diagnosing the clutch stuck according to this embodiment may be applied to diagnose the stuck on all the clutch that is in the engaged state and the clutch that is in the dis-engaged state.
  • the stuck of the clutch (10) may be diagnosed in the manner using the operating current of the clutch actuating motor (20) regardless of whether the engine is turned on and off, and thus, the stuck state of the clutch (10) may be detected not only after the engine start but also before the engine start.
  • the stuck state of the clutch may be diagnosed early to previously prevent the accident due to the clutch stuck from occurring, and only the stuck diagnosis logic which feedbacks the operating current of the clutch actuating motor without a separate additional component for diagnosing the clutch stuck to diagnose the clutch stuck may be applied to more economically and effectively diagnose the clutch stuck.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Electromagnetism (AREA)
  • Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)

Abstract

La présente invention concerne un procédé et un appareil pour diagnostiquer un coincement d'embrayage. Le procédé de diagnostic de coincement d'embrayage est <b>caractérisé en ce qu'il</b> comprend des étapes consistant à permettre à une unité de commande (30) d'entraîner un moteur (20) d'actionnement d'embrayage de manière à positionner l'embrayage (10) dans une plage définie pour mettre en prise l'embrayage (10) qui interrompt la puissance apportée par un moteur à une transmission, permettre à l'unité de commande (30) de renvoyer un courant de fonctionnement du moteur d'actionnement d'embrayage entraîné (20), et permettre à l'unité de commande (30) de déterminer que le coincement se produit dans l'embrayage (10) lorsqu'une amplitude du courant de fonctionnement renvoyé est inférieure à une valeur de référence prédéfinie comme un cas dans lequel l'embrayage (10) est situé dans la plage définie.
PCT/EP2018/060527 2017-04-26 2018-04-25 Procédé de diagnostic de coincement d'embrayage et appareil associé WO2018197526A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020170053969A KR101824675B1 (ko) 2017-04-26 2017-04-26 클러치 고착 진단 방법 및 장치
KR10-2017-0053969 2017-04-26

Publications (1)

Publication Number Publication Date
WO2018197526A1 true WO2018197526A1 (fr) 2018-11-01

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WO (1) WO2018197526A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015223124B4 (de) 2014-11-24 2022-08-04 Hyundai Kefico Corporation Verfahren und Vorrichtung für die Steuerung eines Doppelkupplungsgetriebes

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101990046B1 (ko) * 2018-04-13 2019-06-17 콘티넨탈 오토모티브 시스템 주식회사 클러치 고착 진단 방법 및 장치
KR102697058B1 (ko) * 2021-12-23 2024-08-23 주식회사 현대케피코 하이브리드 듀얼 클러치 트랜스미션 차량의 클러치 스톡 오프 진단 시스템
KR102697059B1 (ko) * 2021-12-23 2024-08-22 주식회사 현대케피코 하이브리드 듀얼 클러치 트랜스미션 차량의 클러치 스톡 오프 진단 시스템

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2917730B2 (ja) * 1993-03-11 1999-07-12 日産自動車株式会社 電子式スロットル駆動装置
EP1826443A1 (fr) * 2006-02-24 2007-08-29 Yamaha Hatsudoki Kabushiki Kaisha Dispositif de détermination de panne d'un embrayage
KR20100089221A (ko) 2009-02-03 2010-08-12 콘티넨탈 오토모티브 시스템 주식회사 차량용 듀얼 클러치 변속기의 변속 제어 방법
DE102011102391A1 (de) * 2010-06-21 2011-12-22 Schaeffler Technologies Gmbh & Co. Kg Verfahren zur Diagnose einer nicht trennenden Kupplung in einem Kraftfahrzeug
US20160017988A1 (en) * 2014-07-16 2016-01-21 Honda Motor Co., Ltd. Control apparatus for automatic transmission
DE102015223124A1 (de) * 2014-11-24 2016-05-25 Hyundai Autron Co., Ltd. Verfahren und Vorrichtung für die Steuerung eines Doppelkupplungsgetriebes

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101509985B1 (ko) 2013-11-25 2015-04-07 현대자동차주식회사 엔진클러치 솔레노이드밸브 고장진단 방법

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2917730B2 (ja) * 1993-03-11 1999-07-12 日産自動車株式会社 電子式スロットル駆動装置
EP1826443A1 (fr) * 2006-02-24 2007-08-29 Yamaha Hatsudoki Kabushiki Kaisha Dispositif de détermination de panne d'un embrayage
KR20100089221A (ko) 2009-02-03 2010-08-12 콘티넨탈 오토모티브 시스템 주식회사 차량용 듀얼 클러치 변속기의 변속 제어 방법
DE102011102391A1 (de) * 2010-06-21 2011-12-22 Schaeffler Technologies Gmbh & Co. Kg Verfahren zur Diagnose einer nicht trennenden Kupplung in einem Kraftfahrzeug
US20160017988A1 (en) * 2014-07-16 2016-01-21 Honda Motor Co., Ltd. Control apparatus for automatic transmission
DE102015223124A1 (de) * 2014-11-24 2016-05-25 Hyundai Autron Co., Ltd. Verfahren und Vorrichtung für die Steuerung eines Doppelkupplungsgetriebes

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015223124B4 (de) 2014-11-24 2022-08-04 Hyundai Kefico Corporation Verfahren und Vorrichtung für die Steuerung eines Doppelkupplungsgetriebes

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