WO2003008826A1 - Verfahren zur befundung einer in einem antriebsstrang angeordneten kupplungseinrichtung - Google Patents
Verfahren zur befundung einer in einem antriebsstrang angeordneten kupplungseinrichtung Download PDFInfo
- Publication number
- WO2003008826A1 WO2003008826A1 PCT/DE2002/002558 DE0202558W WO03008826A1 WO 2003008826 A1 WO2003008826 A1 WO 2003008826A1 DE 0202558 W DE0202558 W DE 0202558W WO 03008826 A1 WO03008826 A1 WO 03008826A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- torque
- engine torque
- particular according
- clutch
- engine
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2510/00—Input parameters relating to a particular sub-units
- B60W2510/06—Combustion engines, Gas turbines
- B60W2510/0657—Engine 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
- F16D2500/10—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
- F16D2500/30—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
- F16D2500/306—Signal inputs from the engine
- F16D2500/3065—Torque of the engine
-
- 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
- F16D2500/502—Relating the clutch
- F16D2500/50287—Torque control
-
- 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
- F16D2500/7041—Position
-
- 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
- F16D2500/71—Actions
- F16D2500/7101—Driver alarm
Definitions
- the invention relates to a method for diagnosing a clutch device arranged in a drive train and to an electronic control unit.
- Methods for diagnosing a clutch device arranged in a drive train are only known to the extent that the driver of a motor vehicle tries, based on his experience and while driving, to estimate whether the engine torque is fully transmitted when the clutch device is closed.
- the invention has for its object to provide a differently designed way to diagnose a coupling device, that is, one that differs in at least one feature from the known one, so that it is new in the patent law sense compared to known designs.
- According to a particular aspect of the invention has the object of providing a possibility to provide for diagnosis "of a coupling device in which subjective feelings of a driver is not the primary criterion of diagnosis.
- the object is achieved in particular by a method according to claim 1 or according to claim 2 or according to claim 3 or according to claim 4.
- the device is preferably a motor vehicle.
- the method is carried out in a preferred embodiment for diagnosing the torque that can be transmitted by the clutch device.
- transmissible torque is to be understood in particular to determine how large the maximum torque that can be transmitted by the coupling device is, whether the torque that can be transmitted by the coupling device is greater than a predetermined torque that can be assumed to be that the coupling device is operationally reliable and, in particular, clutch linings are not so worn that the operational safety is restricted or is significantly restricted.
- diagnosis is to be understood in particular to mean that the functionality is determined and / or evaluated.
- the assessment can be qualitative or quantitative. However, it should be noted that the definition is not intended to limit the invention.
- the object is further achieved by a method according to claim 2.
- a method for diagnosing the torque that can be transmitted by a clutch device, which method determines a result of this diagnosis of the clutch torque internally, such as internally in the motor vehicle.
- a drive device loading the drive train such as an internal combustion engine or the like
- the torque that can be transmitted by it is greater than the maximum static engine torque with which the drive device can load the drive train.
- the torque that can be transmitted by the clutch device may be below the maximum engine torque.
- a dynamic engine torque is generated which is designed such that the engine torque resulting from the instantaneous static engine torque and the instantaneous dynamic engine torque is greater than the maximum static engine torque.
- the resulting engine torque is determined, that is to say in particular the total torque from the instantaneous dynamic engine torque component and the instantaneous static engine torque component.
- the coupling device is closed further or increasingly, essentially until the coupling device is completely closed.
- the clutch torque that can be transmitted by the clutch device using the resulting torque tanen engine torque is evaluated.
- the clutch device is a friction clutch.
- the coupling device is particularly preferably an automated coupling device; for example, without the invention being restricted thereby, an automated coupling can be designed in the manner of automated coupling devices offered by the applicant under the name "electronic clutch management (EKM)" become.
- EKM electronic clutch management
- the clutch device is designed as a self-adjusting clutch device (SAC clutch).
- SAC clutch self-adjusting clutch device
- a method according to the invention is preferably used to check whether the clutch is too weak.
- a clutch that is too weak can be given, for example, without the invention thereby being limited to certain clutches or in any other way, when the wear reserve of the clutch device has been used up and / or when an unwanted adjustment of a self-adjusting clutch has occurred and / or when the clutch is very hot.
- there may also be other reasons for a coupling device which is too weak and that the examples mentioned need not necessarily be given.
- this resulting engine torque is calculated when determining the resulting engine torque.
- the engine torque can, for example, without the invention being restricted thereby, according to the context:
- M M mot + J * d ⁇ mot / dt
- the clutch device determines how large is the maximum resulting engine torque that is transmitted by the clutch device.
- the currently given static engine torque is at least temporarily in the essential range of the static maximum engine torque within the scope of the diagnosis.
- the dynamic engine torque component is generated by braking the engine. This is preferably achieved in that the coupling device is increasingly closed.
- the coupling device is essentially completely closed as part of the diagnosis from at least a partially opened status.
- the at least partially opened status can be, for example, without the invention being restricted thereby, a status in which the clutch is fully open or a status in which the clutch slips.
- the torque which can be transmitted by the clutch device is determined in the context of a slip phase of the clutch device.
- the coupling device can transmit a torque in the new state, which is approximately 30% above the maximum static engine torque.
- the maximum torque that can be transmitted by the clutch is determined when the clutch device is completely closed or in the border area between a slipping clutch and the state in which the clutch device is completely closed.
- the coupling device is actuated hydraulically. However, it should be noted that other actuation mechanisms are preferred. It is preferably provided that an electronic control device is provided for controlling the clutch actuation.
- the actuation system of the clutch device is at least partially hydraulic and has a sniffer bore, which can be used to vent the hydraulic line and / or to enable an essentially reproducible transmission behavior of the clutch by sniffing accordingly.
- the dynamic portion of the resulting engine torque is generated by accelerating with the neutral gear engaged and shifting into second gear.
- shifting into other gears is also preferred.
- the engine can be topped up to approximately 3000 to 4000 rpm and then shifted into one gear.
- the method is used in a motor vehicle which has a stepped transmission.
- the transmission is particularly preferably an automated manual transmission (ASG).
- ASG automated manual transmission
- the method can, for example, also be used in other motor vehicles or in differently designed devices.
- the engine can be brought up to speed and then a gear, such as a first or a second or a third or a fourth or a fifth or a sixth gear.
- a gear such as a first or a second or a third or a fourth or a fifth or a sixth gear.
- the engine is turned up and a gear is engaged when the brake is applied, which can be one of the aforementioned gears, for example.
- the dynamic portions of the engine torque are generated in the frame or by re-engaging after a gear change.
- the exemplary embodiments are not intended to limit the invention.
- the clutch device is controlled according to a predetermined characteristic when closing or when closing increases.
- the engine torque that can be transmitted or transmitted by the clutch is built up linearly.
- other designs of controlled closing are also possible and preferred.
- the closing of the clutch device can also be designed so that it is not controlled according to a predetermined characteristic.
- the method for diagnosing the clutch device or the torque that can be transmitted by the clutch is started automatically when a predetermined driving situation exists.
- this can be one of the already described bang start situations or re-engagement situations after a gear change. It is preferably monitored whether predetermined first framework conditions exist when the method for diagnosing the clutch device or the torque that can be transmitted by the clutch is carried out.
- Such a first framework condition can be, for example, that the slip phase when the clutch device is closed is greater than a predetermined time period.
- a further exemplary basic condition can be that the clutch is not too hot, or the clutch temperature is possibly less than a predetermined temperature in predetermined areas, such as in the area of the friction linings or the like.
- Another exemplary framework condition can be, for example, that an engine torque signal is plausible at a predetermined engine load, such as maximum load.
- the display and the error entry can be such that a distinction is made between two clutch evaluations, such as, for example, “clutch in order” and “clutch not in order” or in such a way that a graded evaluation is carried out and / or stored or displayed. It is preferably provided that the driver requests a Diagnosis of the clutch or to output the results of the diagnosis does not have to be submitted.
- diagnosis and the output of the result or determination of the result or storage of the result is carried out when the driver approaches predetermined driving situations.
- diagnosis of the clutch can also be effected in cooperation with an external test device.
- the object is further achieved by a method according to claim 4.
- slip through is not to be understood in particular as slip phases which can be given when the clutch is being closed and released.
- the monitoring of whether the clutch device slips is carried out as a function of the instantaneous engine torque. It is preferably provided that the second framework conditions are selected so that the current engine torque essentially corresponds to the clutch torque that can be transmitted by the clutch device, that is, in particular, that can be transmitted to a maximum.
- the clutch device has slipped through if it is determined that the engine torque is given given given second general conditions is at least a predetermined number of times below a predetermined engine torque limit. This predetermined number can be one or greater than one.
- An exemplary second framework condition is that the coupling device is completely closed.
- Another exemplary second framework condition is that the engine speed is greater than a predetermined engine speed limit.
- Another exemplary second framework condition can consist in that a gear change has not been carried out in a predetermined previous time period.
- Another exemplary framework condition can consist in that the engine torque is positive.
- the limit engine speed is dependent on the current gearbox speed.
- the limit engine speed can be set to a value which corresponds to the current transmission speed plus a fixed value, such as, for example, without the invention being restricted thereby, 100 rpm or more, or which is arranged above this total speed.
- an error is entered in an error memory and / or a warning signal is generated when a slipping of the clutch device has been determined.
- the method according to the invention is controlled by an electronic control unit, such as a clutch control unit or a transmission control unit.
- the method according to the invention is preferably carried out in a motor vehicle.
- This motor vehicle can have an automated manual transmission, for example.
- taxes is to be understood in particular to mean “rules” and / or “taxes” in the sense of DIN. The same applies to terms derived from the term “taxes”.
- Figure 1 shows the steps of an exemplary method according to the invention in a schematic representation.
- Fig. 2 shows the steps of an exemplary method according to the invention in a schematic representation.
- FIG. 1 shows steps of an exemplary method according to the invention in a schematic representation.
- step 14 the current engine torque is determined and in particular calculated, taking into account static and dynamic components of the engine torque.
- step 16 predetermined conditions are checked. In particular, it is checked whether the slip phase of the clutch device has a certain minimum length has whether the clutch is not too hot and whether there is a plausible engine torque signal, possibly even at maximum load.
- a temperature model may be provided to monitor the clutch temperature.
- step 18 the greatest engine torque is determined that has been transmitted by the clutch device.
- step 32 it is concluded from these conditions that the instantaneous engine torque is a measure of the clutch torque that can actually be transmitted by the clutch device.
- step 34 the current engine torque is determined.
- step 36 it is checked whether the actual instantaneous engine torque is below a predetermined engine torque (engine torque limit).
- step 38 an error is displayed or an error entry is set if it was determined in step 36 that the instantaneous engine torque is below the predetermined engine torque limit.
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)
- Hybrid Electric Vehicles (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10293173T DE10293173D2 (de) | 2001-07-18 | 2002-07-12 | Verfahren zur Befundung einer in einem Antriebsstrang angeordneten Kupplungseinrichtung |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10135001 | 2001-07-18 | ||
DE10135001.5 | 2001-07-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2003008826A1 true WO2003008826A1 (de) | 2003-01-30 |
Family
ID=7692256
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE2002/002558 WO2003008826A1 (de) | 2001-07-18 | 2002-07-12 | Verfahren zur befundung einer in einem antriebsstrang angeordneten kupplungseinrichtung |
Country Status (4)
Country | Link |
---|---|
DE (2) | DE10231674B4 (de) |
FR (1) | FR2827654B1 (de) |
IT (1) | ITMI20021577A1 (de) |
WO (1) | WO2003008826A1 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10354654B4 (de) * | 2003-11-22 | 2014-09-18 | Robert Bosch Gmbh | Verfahren und Vorrichtung zum Betreiben einer Antriebseinheit |
DE102004012158A1 (de) * | 2004-03-12 | 2005-09-29 | Adam Opel Ag | Verfahren zur Überwachung einer Kupplung und Anwendungen dafür |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19540921A1 (de) * | 1995-11-03 | 1997-05-07 | Bosch Gmbh Robert | System zur Steuerung einer Servokupplung |
DE19639291C1 (de) * | 1996-09-25 | 1998-04-02 | Daimler Benz Ag | Automatisch gesteuerte Kupplung |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU1768100A (en) | 1998-10-16 | 2000-05-08 | Luk Lamellen Und Kupplungsbau Gmbh | Motor vehicle with a clutch device |
-
2002
- 2002-07-12 DE DE10231674.0A patent/DE10231674B4/de not_active Expired - Fee Related
- 2002-07-12 DE DE10293173T patent/DE10293173D2/de not_active Expired - Fee Related
- 2002-07-12 WO PCT/DE2002/002558 patent/WO2003008826A1/de not_active Application Discontinuation
- 2002-07-15 FR FR0208890A patent/FR2827654B1/fr not_active Expired - Fee Related
- 2002-07-17 IT IT2002MI001577A patent/ITMI20021577A1/it unknown
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19540921A1 (de) * | 1995-11-03 | 1997-05-07 | Bosch Gmbh Robert | System zur Steuerung einer Servokupplung |
DE19639291C1 (de) * | 1996-09-25 | 1998-04-02 | Daimler Benz Ag | Automatisch gesteuerte Kupplung |
Also Published As
Publication number | Publication date |
---|---|
FR2827654B1 (fr) | 2012-08-31 |
DE10231674A1 (de) | 2003-02-06 |
DE10293173D2 (de) | 2004-07-01 |
ITMI20021577A1 (it) | 2004-01-19 |
DE10231674B4 (de) | 2019-02-21 |
FR2827654A1 (fr) | 2003-01-24 |
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