EP4634545A1 - Verfahren zur adaption einer kupplung für ein fahrzeug - Google Patents
Verfahren zur adaption einer kupplung für ein fahrzeugInfo
- Publication number
- EP4634545A1 EP4634545A1 EP23813301.1A EP23813301A EP4634545A1 EP 4634545 A1 EP4634545 A1 EP 4634545A1 EP 23813301 A EP23813301 A EP 23813301A EP 4634545 A1 EP4634545 A1 EP 4634545A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- clutch
- parameter
- parameters
- temperature
- output
- 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.)
- Pending
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
- F16D2500/30—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
- F16D2500/50—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
- F16D2500/704—Output parameters from the control unit; Target parameters to be controlled
- F16D2500/70422—Clutch parameters
- F16D2500/7043—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
- F16D2500/70—Details about the implementation of the control system
- F16D2500/706—Strategy of control
- F16D2500/70647—Neuronal network
-
- 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
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/04—Smoothing ratio shift
- F16H61/06—Smoothing ratio shift by controlling rate of change of fluid pressure
- F16H61/061—Smoothing ratio shift by controlling rate of change of fluid pressure using electric control means
- F16H2061/064—Smoothing ratio shift by controlling rate of change of fluid pressure using electric control means for calibration of pressure levels for friction members, e.g. by monitoring the speed change of transmission shafts
Definitions
- the present invention relates to a method for adapting a clutch for a vehicle.
- the present invention also relates to a computing unit which is designed to carry out steps of the method for adapting a clutch.
- the present invention also relates to a vehicle with a clutch, wherein the clutch has a control unit which is designed to control an adapted clutch.
- the present invention relates to a method for adapting a clutch for a vehicle.
- the adaptation of a clutch can include setting or parameterizing the clutch.
- One or more adaptations can be carried out, for example an adaptation for a standstill, an adaptation for a gear shift, an adaptation for constant travel and alternatively or additionally an adaptation for a repair.
- the clutch can be used in the vehicle to operate the clutch, for example as described above.
- the clutch can be a multi-plate clutch, for example.
- the clutch can be used modularly in a test bench and can be used or installed in a vehicle.
- the vehicle can be a passenger car, a truck or a work machine, such as a construction machine.
- a computing unit can be set up to carry out steps of the method as described below.
- the method comprises outputting a parameter to the clutch for operating the clutch with the parameter.
- Outputting a parameter for operating the clutch with the output parameter can comprise an operating output.
- Outputting can comprise sending a signal with data comprising the parameter.
- One parameter or alternatively several parameters can be output to the clutch. Parameters can be, for example, relating to a kiss point of the clutch, a hydraulic pressure or a torque transfer of the clutch. Different parameters can be output for different operating modes, for example for a standstill, a gear change, a constant drive, a repair or an end-off-line operating mode, i.e. an operating mode after a production process.
- the operation can be a test operation.
- the clutch can be operated in a test bench, alternatively the clutch can be operated in the field and installed in a vehicle.
- Outputting can be, for example, via a data interface of the computing unit.
- the method further comprises receiving an operating parameter associated with the operation of the clutch.
- the operating parameter associated with the operation of the clutch can be measured when the clutch is operated with the output parameter.
- the operating parameter can be, for example, a sump temperature of the clutch, which is present when the clutch has been operated with the output parameter(s).
- the receiving can comprise reading in data comprising the operating parameter. Alternatively or additionally, the receiving can comprise measuring the operating parameter. One or alternatively several operating parameters can be received.
- the method further comprises determining a clutch temperature using a neural network.
- the neural network is set up to determine the clutch temperature based on a learned relationship between the clutch temperature and the received operating parameter.
- the relationship can be learned through training and the training can be validated or checked or have been checked by means of validation.
- Training data, the clutch temperature as output data and the operating parameter can be used for this purpose.
- One or alternatively several operating parameters may be included as input data in the training data.
- the method further comprises determining whether the determined clutch temperature corresponds to a target temperature.
- the target temperature may be an absolute target temperature.
- the target temperature may be a relative target temperature.
- An absolute target temperature may be predetermined in degrees Celsius or Kelvin.
- the target temperature may be predetermined as a particular quantile of a set of temperatures, such as clutch temperatures, for example.
- the quantile may be a median, a tercile, a quartile, or a decile, for example.
- the parameter is output to the clutch in order to adapt the clutch with the parameter.
- Outputting the parameter to the clutch in order to adapt the clutch can comprise an adaptation output.
- One or, alternatively, several parameters can be output to the clutch for adaptation.
- Output for adaptation can comprise data input to the clutch with the parameter(s).
- the parameter(s) for which a clutch temperature corresponds to the target temperature can be output.
- another parameter can be output to the clutch in order to operate the clutch with the other parameter, wherein the other parameter is different from the parameter for operating the clutch that was first output. Further steps of the method up to determining whether the specific clutch temperature corresponds to a target temperature can also be carried out in a loop until a specific clutch temperature corresponds to the target temperature.
- a rule-based model for temperature prediction can be dispensed with.
- the use of a neural network to determine the clutch temperature can be less complex than a rule-based model for temperature prediction.
- the temperature prediction for a parameter for the operation and adaptation of the clutch can be necessary and relevant, since a Wear of the clutch in a vehicle can depend on the temperature behavior.
- the temperature behavior can depend on the parameters used for adaptation.
- a further embodiment of the method can be characterized in that the output for operating the clutch can comprise several combinations of parameters.
- the output for operating the clutch can comprise outputting several parameters, and several, alternatively all, combinations of these parameters can be output for operating the clutch.
- different parameter sets can be output to the clutch, whereby one parameter set can be provided for operating the clutch.
- a parameter set can be made up of a specific combination of specific parameters.
- an operating parameter of a respective combination can be received for several of the combinations.
- An operating parameter, alternatively several operating parameters, of a respective combination can be received for all of the combinations that have been output for operating the clutch.
- a respective clutch temperature can be determined depending on the respective received operating parameter, alternatively on the respective received operating parameters, for several, alternatively for all, of the received operating parameters.
- the determination of whether the determined clutch temperature corresponds to a target temperature can be made for several, alternatively for all, of the determined clutch temperatures.
- the output for adapting the clutch can be one of several, alternatively several or all, combinations of parameters whose respective specific clutch temperature corresponds to the target temperature.
- An output for adaptation of the clutch can be carried out using one of several combinations of parameters, the respective determined clutch temperature of which corresponds to the target temperature and can therefore provide operation with an adapted clutch, which can ensure optimal temperature input.
- the method can be used to determine the parameter or parameters in a time-saving manner in order to enable such adaptation of the clutch.
- a further embodiment relates to a method, characterized in that the target temperature can be a minimum relative temperature and a determination can be made as to which of the determined clutch temperatures is minimal in comparison to several, alternatively to all, determined clutch temperatures.
- the combination of parameters for adapting the clutch can be output, the determined clutch temperature of which has been determined to be minimal.
- one, alternatively several, combinations of parameters for adapting the clutch can be output, the determined clutch temperature of which has been determined to be minimal.
- the method can thus be used to ensure that the coupling is adapted in a temperature-optimized manner, i.e. optimized for a minimum temperature of the coupling during operation or use after the coupling has been adapted. In combination with the brute-force approach described, this can provide a particularly time-saving method for adapting a coupling.
- a method is shown, characterized in that a reception of one, alternatively several, parameters with a set of possible associated parameter values can take place.
- the reception can be an input read and alternatively or additionally include receiving data with the parameter(s) and alternatively or additionally parameter values.
- Associated parameter values can include different values of a parameter.
- different associated parameter values of a hydraulic pressure can include, as parameters, discrete or alternatively or additionally continuous values of the pressure in, for example, Pascal.
- a subset of the received parameter values can be selected, and furthermore the parameters for operating the clutch can be output depending on the selection of the subset of parameter values.
- the selection can be made by a computing unit, alternatively by a user.
- the selection can be made manually, rule-based and alternatively or additionally by a neural network.
- the subset can represent a real subset of the received parameter values, and not all received parameters with associated parameter values can be output to the clutch for operating the clutch.
- a set of parameters and parameter values output to the clutch for operation can be limited. This makes operation more resource-efficient, as well as receiving the operating parameters and determining the clutch temperatures and, if necessary, outputting parameters for adaptation, since the steps of the method do not have to be carried out for all received parameters and associated parameter values.
- the selection can be made, for example, based on the functionality of the clutch.
- a functionality can reflect a driving characteristic.
- the driving characteristic can be sporty, economical or comfortable, for example. Different parameter values, such as a certain clutch pressure or hydraulic pressure, which will lead to a sporty or alternatively a comfortable driving style, can be used depending on the respective desired functionality in order to output these to the clutch for operation.
- a method is shown, characterized in that a selection of a subset of the combinations of the received parameters can be made.
- the subset can be a real subset, whereby certain combinations, which are based on a combinatorics and the set of received parameters and the associated parameter values would be possible, can be dispensed with.
- the parameters for operating the clutch can be output depending on the selection of the subset of the combinations of the parameters.
- a second subset which can be disjoint to the first subset, can be output to the clutch for operating the clutch.
- the combination of parameters and parameter values can thus be further restricted and a resource-saving option for the method, comparable to the previous embodiment, can thus be implemented.
- a method is shown, characterized in that at least one of the selection of the subset of the parameter values and the selection of the subset of the combinations of the parameters can be carried out by a user.
- the user can be a user, such as a developer, of the adaptation of the coupling.
- the selection of the subset of the parameter values and alternatively or additionally the selection of the subset of the combinations of the parameters can be carried out by the user in a user-supported manner, i.e. partially manually, alternatively completely manually.
- a method is shown, characterized in that the output of the parameter for adaptation can be carried out for an initial adaptation of the clutch.
- the initial adaptation of the clutch can take place after a production process and before delivery of a vehicle with such a clutch.
- the initial adaptation of the clutch can also be carried out, for example, in a a test bench.
- the initial adaptation can represent a first adaptation of the clutch in the life cycle of the clutch.
- Such a method can be used to react to production fluctuations in the clutch and to production fluctuations in clutch components.
- hydraulic valves that can be installed in the clutch can exhibit production fluctuations.
- Such an initial adaptation can be used to react to production fluctuations in such hydraulic valves and, if necessary, other elements of the clutch. This means that a comparable adaptation and thus parameterization with regard to the behavior of the clutch can be represented for a wide range of clutches using the method.
- a method is shown, characterized in that the output of the parameter for adaptation can be carried out for an ongoing adaptation of the clutch.
- the ongoing adaptation of the clutch can, for example, be an adaptation of the clutch in a test bench, which has already been initially adapted beforehand.
- the ongoing adaptation of the clutch can be an adaptation of a clutch in the field, for example a clutch installed in a test vehicle or in a vehicle of an end user.
- a second aspect of the present invention relates to a computing unit.
- the computing unit can be set up and installed in a vehicle, for example in a test vehicle or in an end user vehicle.
- the computing unit can be provided in a test bench.
- the computing unit can alternatively or additionally be provided locally or in a cloud.
- the computing unit can have interfaces for receiving and reading in data, such as parameters and operating parameters, and for outputting data on operation and alternatively or additionally on adaptation of the clutch.
- the computing unit can be set up to carry out steps of the method for adapting the clutch for a vehicle according to an embodiment of the first aspect of the present invention.
- the computing unit can be designed to carry out at least one, some or all of the steps of the method. If the computing unit does not carry out all of the steps of the method for adapting a clutch, a user can carry out the remaining steps.
- the clutch for a vehicle can be the clutch of a specific vehicle, for example the clutch can be installed in a specific vehicle.
- the present invention relates to a vehicle with a clutch.
- the vehicle can be a passenger car, a truck or a work machine, such as an agricultural or construction machine.
- the clutch can be a multi-disk clutch.
- the clutch can have a control unit and a storage medium.
- the control unit can be a control device of the vehicle and the storage medium can be a non-volatile memory.
- the control unit can be set up to control the clutch.
- the control unit and the clutch can be connected to each other electrically and alternatively or additionally electronically.
- the output of the parameter for adapting the clutch can be carried out on the storage medium or have already been carried out.
- Several parameters for adapting the clutch can also be output to the storage medium.
- the storage medium can store the parameter or parameters that have been output and the control unit can use the parameters stored on the storage medium to control the clutch. This makes it possible to control an adapted clutch.
- Fig. 1 shows schematically a computing unit and a vehicle according to embodiments of the invention.
- Fig. 2 shows schematically steps of a method for adapting a clutch for a vehicle according to an embodiment of the invention.
- Fig. 1 shows a schematic diagram of a computing unit 6 according to an embodiment of the invention.
- the computing unit 6 is set up to carry out steps of a method, which are shown schematically in Fig. 2, for adapting a coupling 2 for a vehicle 4.
- the computing unit 6 and the vehicle 4 are connected to one another via a data transmission device 8, here a wireless connection.
- the method comprises, as shown in Fig. 2, receiving S1 a parameter with a set of possible associated parameter values.
- several parameters each with several associated parameter values, are received. These are received by the computing unit 6 via an interface.
- a user selects S1.1 a subset of the received parameter values.
- the user also selects S1.2 a subset of combinations of the received parameters. Parameters here include, for example, a kiss point, a slip point, a torque or a torque transfer of a clutch 2.
- S1.1 S1.2 the user focuses on parameters and parameter values and thus on possible combinations of these parameters and parameter values that are of interest to the user.
- the received parameter and thus several parameters and parameter values are output S2 to the coupling 2, whereby this is done by the computing unit 6 via the data transmission device 8 and interfaces (not shown) of the coupling 2 and the computing unit 6.
- the output S2 includes sending data with the parameters to the clutch 2. Operating parameters are then measured for associated combinations of parameters during operation of the clutch 2. These measured operating parameters are sent from the clutch 2 to the computing unit 6 via the data transmission device 8 and the operating parameters of the respective combinations of parameters for operating the clutch are received S3. Data sets are then available, with one or more specific operating parameters being assigned to a specific combination of parameters and parameter values.
- the received operating parameters are used to determine S4 a respective clutch temperature of a respective combination by a neural network. Furthermore, a determination S5 is made as to whether the clutch temperature corresponds to a target temperature. In this case, a minimum clutch temperature is determined S5.1, i.e. which of the determined clutch temperatures is minimal in comparison to all determined clutch temperatures. The lowest clutch temperature is determined. For this purpose, associated operating parameters and parameter values that have been output for operating the clutch 2 with this minimum clutch temperature are determined. The respective parameter with the minimum clutch temperature, or the parameter of the combination of parameters with the minimum clutch temperature, is then output S6 to the clutch 2 for the final adaptation of the clutch 2.
- the output S6 includes sending data via the data transmission device 8 to the clutch 2, wherein the output parameters are stored on a storage medium (not shown) of the vehicle 2.
- the adaptation of the clutch 2 and thus the method is thus completed.
- a control unit (not shown) is provided for controlling the adapted clutch 2 with the parameters stored on the storage medium.
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)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102022213781.7A DE102022213781B3 (de) | 2022-12-16 | 2022-12-16 | Adaption einer Kupplung für ein Fahrzeug |
| PCT/EP2023/082318 WO2024125955A1 (de) | 2022-12-16 | 2023-11-20 | Verfahren zur adaption einer kupplung für ein fahrzeug |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP4634545A1 true EP4634545A1 (de) | 2025-10-22 |
Family
ID=88969493
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP23813301.1A Pending EP4634545A1 (de) | 2022-12-16 | 2023-11-20 | Verfahren zur adaption einer kupplung für ein fahrzeug |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20260210415A1 (de) |
| EP (1) | EP4634545A1 (de) |
| CN (1) | CN120380263A (de) |
| DE (1) | DE102022213781B3 (de) |
| WO (1) | WO2024125955A1 (de) |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19916006B4 (de) | 1999-04-09 | 2007-01-04 | Zf Friedrichshafen Ag | Verfahren zur Anpassung von Parametern in einem Kennfeld |
| DE10208205B4 (de) * | 2001-02-27 | 2015-04-02 | Schaeffler Technologies AG & Co. KG | Verfahren zur Steuerung/Regelung optimaler Einkuppel-Verläufe beim Anfahren und Wiedereinkupplen nach Gangwechseln |
| CN103967963B (zh) | 2014-05-21 | 2016-08-17 | 合肥工业大学 | 基于神经网络预测的dct湿式离合器温度的测量方法 |
| KR101576836B1 (ko) * | 2014-07-28 | 2015-12-11 | 콘티넨탈 오토모티브 시스템 주식회사 | Dct 시스템의 클러치 커브 적용 장치 및 방법 |
| DE102015211132A1 (de) | 2015-06-17 | 2016-12-22 | Bayerische Motoren Werke Aktiengesellschaft | Verfahren und Steuereinheit zur Anpassung einer steuerbaren Längs- und/oder Quersperre in einem Fahrzeug |
| US20190195292A1 (en) * | 2017-12-22 | 2019-06-27 | Caterpillar Inc. | Clutch Local Peak Temperature Real Time Predictor and Applications |
| DE102018115426A1 (de) * | 2018-06-27 | 2020-01-02 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Regelsystem zur Steuerung eines Betätigungsverhaltens einer Reibungskupplung sowie Verfahren zur Betätigung einer Reibungskupplung |
| US11346408B2 (en) * | 2019-04-04 | 2022-05-31 | Eaton Cummins Automated Transmission Tech., Llc | Virtual clutch temperature gauge |
| JP2022030163A (ja) | 2020-08-06 | 2022-02-18 | トヨタ自動車株式会社 | 摩擦係合要素の温度推定装置 |
| CN115045927B (zh) | 2022-05-09 | 2023-11-17 | 潍柴动力股份有限公司 | 离合器滑摩点的存储方法、存储装置与处理器 |
| DE102022205676A1 (de) * | 2022-06-02 | 2023-12-07 | Zf Friedrichshafen Ag | Bestimmen einer Kupplungstemperatur einer Fahrzeugkupplung mittels eines neuronalen Netzwerks unter Verwendung einer geometrischen Eigenschaft der Fahrzeugkupplung |
| DE102022205677A1 (de) * | 2022-06-02 | 2023-12-07 | Zf Friedrichshafen Ag | Bestimmen einer Kupplungstemperatur einer Fahrzeugkupplung mittels eines neuronalen Netzwerks |
| DE102022205784A1 (de) * | 2022-06-08 | 2023-12-14 | Zf Friedrichshafen Ag | Bestimmen einer Kupplungstemperatur einer Fahrzeugkupplung mittels eines neuronalen Netzwerks und Ermitteln eines Skalierfaktors dafür |
-
2022
- 2022-12-16 DE DE102022213781.7A patent/DE102022213781B3/de active Active
-
2023
- 2023-11-20 CN CN202380085056.9A patent/CN120380263A/zh active Pending
- 2023-11-20 WO PCT/EP2023/082318 patent/WO2024125955A1/de not_active Ceased
- 2023-11-20 EP EP23813301.1A patent/EP4634545A1/de active Pending
- 2023-11-20 US US19/138,941 patent/US20260210415A1/en active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| US20260210415A1 (en) | 2026-07-23 |
| CN120380263A (zh) | 2025-07-25 |
| DE102022213781B3 (de) | 2024-05-16 |
| WO2024125955A1 (de) | 2024-06-20 |
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