WO2018072788A2 - Verfahren zur steuerung eines antriebsstrangs eines kraftfahrzeugs - Google Patents
Verfahren zur steuerung eines antriebsstrangs eines kraftfahrzeugs Download PDFInfo
- Publication number
- WO2018072788A2 WO2018072788A2 PCT/DE2017/100879 DE2017100879W WO2018072788A2 WO 2018072788 A2 WO2018072788 A2 WO 2018072788A2 DE 2017100879 W DE2017100879 W DE 2017100879W WO 2018072788 A2 WO2018072788 A2 WO 2018072788A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- internal combustion
- combustion engine
- generator
- clutch
- torque
- 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
- F16D48/08—Regulating clutch take-up on starting
-
- 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
- F16D2500/312—External to the vehicle
- F16D2500/3124—Driving conditions, e.g. climbing hills, cornering, traffic
-
- 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
- F16D2500/508—Relating driving conditions
- F16D2500/5085—Coasting
-
- 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
- F16D2500/704—Output parameters from the control unit; Target parameters to be controlled
- F16D2500/70422—Clutch parameters
- F16D2500/70438—From the output shaft
- F16D2500/7044—Output shaft 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
- F16D2500/704—Output parameters from the control unit; Target parameters to be controlled
- F16D2500/70464—Transmission parameters
- F16D2500/70488—Selection of the gear ratio
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
Definitions
- the invention relates to a method for controlling a drive train of a motor vehicle with an internal combustion engine, a manual transmission and between these effectively arranged, automatically operated friction clutch, an electric starter and arranged in a pulley plane generator and at least one auxiliary unit, wherein the internal combustion engine during a nes Sailing operation shut down with the friction clutch open and restarted at the end of the sailing process by closing the friction clutch.
- Non-hybrid powertrains in motor vehicles, in which a method for sailing, that is to say a forward drive without drive by the internal combustion engine, are used when the friction clutch is open between the internal combustion engine and a shift transmission are known, for example, from DE 102 221 701 A1 , German patent application no.
- 10 2015 214 551 .4 discloses a method for controlling a restart of an internal combustion engine in a drive train with a manual transmission and an automated friction clutch, wherein a swing or towing start is carried out depending on a current driving state.
- a method for restarting an internal combustion engine with an automatically operated friction clutch is known, wherein the complete open friction clutch after completion of the sailing process by a predetermined path to achieve a predetermined clutch torque maximum speed is closed, wherein the predetermined path is adapted depending on a comfort-dependent size.
- the object of the invention is the development of a method for controlling a drive train in particular for restarting an internal combustion engine after a sailing operation.
- a robust method is proposed, which allows a safe, fast and comfortable restart of the internal combustion engine.
- the proposed method is used to control a drive train of a motor vehicle with an internal combustion engine, in particular a restart of the decommissioned internal combustion engine during a sailing operation.
- the drive train includes a manually or automatically shifted manual transmission, for example, a conventional transmission with a transmission input shaft and a transmission output shaft and intermediate ratio stages or a dual-clutch transmission with two partial transmissions, each with a transmission input shaft.
- an automatically operated friction clutch is provided between the internal combustion engine and the gearbox or the or the transmission input shafts.
- This is understood to mean a friction clutch operated by a clutch control device or auxiliary-operated or electronically dependent on a position of a clutch-operated clutch pedal (clutch-by-wire).
- the internal combustion engine is started by an electric starter with the exception of the proposed method.
- the starter can be called a so-called zelstarter be formed, which meshes with a toothing of the flywheel as one-mass flywheel or a primary flywheel of a dual-mass flywheel and drives it to start the engine.
- the starter may be designed as a pulley starter.
- the supply voltage of the starter may be, for example, 12 volts or higher.
- a pulley starter is to be understood as meaning an engine which is integrated into a belt drive in a pulley plane of the internal combustion engine and drives the crankshaft integrated in the belt drive to start the internal combustion engine.
- a generator preferably an electrically commutated generator is arranged, which can be operated at least temporarily by an electric motor.
- At least one auxiliary unit in particular an air-conditioning compressor is arranged in the pulley plane.
- the at least one accessory can be regulated with respect to its performance, but at least can be switched off.
- Other auxiliary units which are or have to be permanently operated, for example a cooling water pump and / or the like, can be provided.
- the drive train or a motor vehicle with this has the driving state "sailing". This is to be understood while driving, especially in overrun driving the motor vehicle without its own drive when the friction clutch and disengaged internal combustion engine open to reduce pollutant emissions and save fuel.
- the internal combustion engine is shut down during the sailing process with the friction clutch open and started again at the end of the sailing process by closing the friction clutch.
- Clutch torque can be fixed, adjustable or adaptable.
- An influencing variable of the operating characteristics of the internal combustion engine can be transferred from an engine control device such as the engine control unit of the internal combustion engine to a clutch control device such as clutch control device and taken into account in the formation of a control variable for controlling a clutch actuator to provide the clutch torque.
- the set clutch torque can be made dependent on the engaged gear in the manual transmission or partial drive train whose friction clutch is to be closed.
- a clutch torque between 20 Nm and 60 Nm is provided in a first approximation to the restart of an internal combustion engine with three or four cylinders.
- the generator is operated by an electric motor depending on an energy state of an electrical power supply of the motor vehicle.
- an electronically commutated in this case and appropriately designed generator when restarting the internal combustion engine is operated as an electric motor and makes a contribution to the restart of the internal combustion engine via the belt drive.
- the generator is shut down.
- the crankshaft is driven by the application of the clutch torque and possibly supported by the generator and started the internal combustion engine.
- a start is detected, for example, when the rotational speed difference between a rotational speed of the crankshaft of the internal combustion engine and the transmission input shaft is below a predetermined value or a rotational speed of the crankshaft of the internal combustion engine exceeds a minimum value.
- an optional pulley starter may assist the starting process.
- the clutch torque can be increased up to a limit value. If a restart does not succeed as well, the starter is activated to start the internal combustion engine.
- the friction clutch can be temporarily opened or operated slipping.
- An error entry in a fault memory of a vehicle control device for example in the engine or clutch control device can be provided.
- the judgment of a delayed restart such as failure of a start of the internal combustion engine can be judged based on a predetermined time threshold. For example, if the re-start does not take place within a specified time, the clutch torque is increased to the maximum transmittable torque, for example, and if it fails again.
- the internal combustion engine is started by means of the starter and an entry in a fault memory of a control device of the motor vehicle.
- the clutch torque can be increased ramped from the originally set value to the limit, for example, the maximum transmittable torque can be set.
- the clutch torque is increased in a phase three, the generator operated as a function of the energy state of the power supply generator and the at least one accessory set in its original state.
- the generator power provided for example a generator power which is possible depending on the energy state of the energy supply, is estimated for restarting the internal combustion engine.
- a generator power for example a generator power which is possible depending on the energy state of the energy supply
- current and / or stored as stored information about power consumption, residual capacity of the electrical energy storage, environmental conditions such as temperature and / or the like can be used. Based on this estimate, a reliable generator power can be provided.
- a value for example a correction value of the estimated generator power
- the clutch torque may be made smaller in time and / or in height.
- a value of the estimated generator power can be transmitted to a motor control device and a determined from this delay torque can be compensated by means of an engine intervention after the start of the internal combustion engine.
- the friction clutch can be completely closed after the start of the internal combustion engine.
- the friction clutch can be operated slipping to dampen torsional vibrations. This means that the friction clutch is closed up to a value lying above the average engine torque, so that torque peaks of rotational irregularities cause slippage and thus a transmission of these into the transmission is avoided or at least reduced. Furthermore, the not completely closed in this way friction clutch can be opened faster.
- Figure 1 is a schematically illustrated drive train for carrying out the proposed method
- Figure 2 is a diagram illustrating the process of the proposed method.
- FIG. 1 shows schematically the drive train 1 of a motor vehicle with the internal combustion engine 2, arranged between the internal combustion engine 2 and the drive gear 3 with the transmission input shaft 12 and arranged between the internal combustion engine 2 and 4 gearbox, automatically actuated by the clutch actuator 6 friction clutch 5.
- Die Internal combustion engine 2 is started regularly by the electric starter 7, which is used as a starter, for example. Tels of a starter toothing on the non-rotatably connected to the crankshaft 8 of the internal combustion engine 2 input part of the friction clutch 5, for example, a single or dual mass flywheel is connectable.
- the belt drive 9 with the generator 10 and the ancillary unit 1 for example an air-conditioning compressor, is arranged in the pulley plane.
- the partial diagram I shows the clutch torque M K over the time t.
- the partial diagram II shows the rotational speed n G E of the transmission input shaft 12 and the rotational speed n M of the internal combustion engine 2 over the time t in seconds.
- the friction clutch 5 is opened and transmits a negligible clutch torque M K o as drag torque or no torque.
- the internal combustion engine 2 is shut down. In the manual transmission 4, a gear or a neutral position can be inserted. In order to restart the internal combustion engine 2 in "phase 1", it is ensured that a gear is engaged in the manual transmission 4.
- the friction clutch 5 is set to the predetermined clutch torque M K i, for example, 30 Nm by means of the clutch actuator 6 10 is suitable for a motor operation, this is operated with a given generator line such as drive power or otherwise turned off.
- the auxiliary unit 1 1 is operated or turned off with reduced load Speed n M taken from the constant speed n G E of the transmission input shaft 12 and optionally driven by the generator 10, so that under the lack of load of the auxiliary unit 1 1, a quick start of the internal combustion engine ne 2 is achieved.
- the clutch torque M K i be reduced, for example, be reduced to zero and at Reaching the speed N G E in "Phase 3" again be raised, for example, to the maximum clutch torque.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
- Hybrid Electric Vehicles (AREA)
- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201780060978.9A CN109790887B (zh) | 2016-10-17 | 2017-10-16 | 用于控制机动车的驱动系的方法 |
DE112017005237.8T DE112017005237A5 (de) | 2016-10-17 | 2017-10-16 | Verfahren zur steuerung eines antriebsstrangs eines kraftfahrzeugs |
KR1020197010510A KR102480100B1 (ko) | 2016-10-17 | 2017-10-16 | 자동차 파워 트레인의 제어 방법 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102016220220.0A DE102016220220B4 (de) | 2016-10-17 | 2016-10-17 | Verfahren zur Steuerung eines Antriebsstrangs eines Kraftfahrzeugs |
DE102016220220.0 | 2016-10-17 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2018072788A2 true WO2018072788A2 (de) | 2018-04-26 |
WO2018072788A3 WO2018072788A3 (de) | 2018-06-14 |
Family
ID=60293682
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE2017/100879 WO2018072788A2 (de) | 2016-10-17 | 2017-10-16 | Verfahren zur steuerung eines antriebsstrangs eines kraftfahrzeugs |
Country Status (4)
Country | Link |
---|---|
KR (1) | KR102480100B1 (de) |
CN (1) | CN109790887B (de) |
DE (2) | DE102016220220B4 (de) |
WO (1) | WO2018072788A2 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111186428A (zh) * | 2018-11-15 | 2020-05-22 | 舍弗勒技术股份两合公司 | 离合器单元和控制分离离合器以影响发动机转速的方法 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10221701A1 (de) | 2001-05-21 | 2002-11-28 | Luk Lamellen & Kupplungsbau | Steuerverfahren für Kraftfahrzeuge mit automatisierter Kupplungsvorrichtung |
DE102015214551A1 (de) | 2015-07-30 | 2017-02-02 | Schaeffler Technologies AG & Co. KG | Verfahren und Vorrichtung zur Steuerung eines Wiederstartes eines Verbrennungsmotors bei einem Austritt eines mit einem Schaltgetriebe ausgebildeten Fahrzeuges aus einem Segelbetrieb |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4405031A (en) * | 1979-04-27 | 1983-09-20 | Luk Lamellen Und Kupplungsbau Gmbh | Method and device for operating a motor vehicle with an internal-combustion engine |
DE10036504B4 (de) | 1999-08-02 | 2011-05-19 | Schaeffler Technologies Gmbh & Co. Kg | Antriebsstrang |
US8142328B2 (en) | 2007-07-05 | 2012-03-27 | Schaeffler Technologies AG & Co. KG | Method for controlling a starting clutch |
KR100946456B1 (ko) * | 2008-09-29 | 2010-03-10 | 현대자동차주식회사 | 하이브리드 차량의 시동제어방법 |
DE102008052288A1 (de) | 2008-10-18 | 2010-05-06 | Voith Patent Gmbh | Kraftfahrzeugantriebsstrang |
DE102010008726A1 (de) * | 2010-02-20 | 2011-08-25 | Dr. Ing. h.c. F. Porsche Aktiengesellschaft, 70435 | Verfahren zum Betreiben eines Antriebssystems für ein Kraftfahrzeug |
CN103381811B (zh) * | 2012-05-04 | 2017-04-26 | 福特环球技术公司 | 用于车辆传动系的方法和系统 |
CN104428184B (zh) * | 2012-07-27 | 2016-01-20 | 日产自动车株式会社 | 车辆控制装置以及车辆控制方法 |
CN105556154B (zh) * | 2013-09-20 | 2017-10-27 | 丰田自动车株式会社 | 车辆的控制装置 |
DE102013225150A1 (de) * | 2013-12-06 | 2015-06-11 | Volkswagen Aktiengesellschaft | Verfahren zum Start eines Verbrennungsmotors eines Kraftfahrzeugs und Kraftfahrzeug |
WO2015161848A1 (de) * | 2014-04-24 | 2015-10-29 | Schaeffler Technologies AG & Co. KG | Segelbetrieb eines kraftfahrzeugs |
DE102016218289A1 (de) | 2015-10-06 | 2017-04-06 | Schaeffler Technologies AG & Co. KG | Verfahren zum Wiederstart eines Verbrennungsmotors eines Fahrzeuges am Ende eines Segelvorganges |
-
2016
- 2016-10-17 DE DE102016220220.0A patent/DE102016220220B4/de active Active
-
2017
- 2017-10-16 DE DE112017005237.8T patent/DE112017005237A5/de not_active Ceased
- 2017-10-16 CN CN201780060978.9A patent/CN109790887B/zh active Active
- 2017-10-16 KR KR1020197010510A patent/KR102480100B1/ko active IP Right Grant
- 2017-10-16 WO PCT/DE2017/100879 patent/WO2018072788A2/de active Application Filing
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10221701A1 (de) | 2001-05-21 | 2002-11-28 | Luk Lamellen & Kupplungsbau | Steuerverfahren für Kraftfahrzeuge mit automatisierter Kupplungsvorrichtung |
DE102015214551A1 (de) | 2015-07-30 | 2017-02-02 | Schaeffler Technologies AG & Co. KG | Verfahren und Vorrichtung zur Steuerung eines Wiederstartes eines Verbrennungsmotors bei einem Austritt eines mit einem Schaltgetriebe ausgebildeten Fahrzeuges aus einem Segelbetrieb |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111186428A (zh) * | 2018-11-15 | 2020-05-22 | 舍弗勒技术股份两合公司 | 离合器单元和控制分离离合器以影响发动机转速的方法 |
Also Published As
Publication number | Publication date |
---|---|
DE102016220220A1 (de) | 2018-04-19 |
KR20190069422A (ko) | 2019-06-19 |
DE112017005237A5 (de) | 2019-06-27 |
CN109790887A (zh) | 2019-05-21 |
KR102480100B1 (ko) | 2022-12-23 |
CN109790887B (zh) | 2020-11-24 |
WO2018072788A3 (de) | 2018-06-14 |
DE102016220220B4 (de) | 2019-05-16 |
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