WO2017101934A1 - Method for actuating a friction clutch device, and friction clutch device - Google Patents
Method for actuating a friction clutch device, and friction clutch device Download PDFInfo
- Publication number
- WO2017101934A1 WO2017101934A1 PCT/DE2016/200564 DE2016200564W WO2017101934A1 WO 2017101934 A1 WO2017101934 A1 WO 2017101934A1 DE 2016200564 W DE2016200564 W DE 2016200564W WO 2017101934 A1 WO2017101934 A1 WO 2017101934A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- internal combustion
- combustion engine
- friction clutch
- motor vehicle
- clutch
- 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
-
- 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
- F16D2500/106—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
- F16D2500/306—Signal inputs from the engine
- F16D2500/3067—Speed 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
- F16D2500/314—Signal inputs from the user
- F16D2500/31406—Signal inputs from the user input from pedals
- F16D2500/31413—Clutch pedal 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
- F16D2500/50—Problem to be solved by the control system
- F16D2500/504—Relating the engine
- F16D2500/5048—Stall prevention
-
- 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
- F16D2500/50883—Stop-and-go, i.e. repeated stopping and starting, e.g. in traffic jams
Definitions
- the invention relates to a method for operating a Reibungskupplungseinrich- device for arrangement in a drive train of an internal combustion engine-driven motor vehicle, wherein to avoid stalling of the internal combustion engine when falling below a speed threshold of the internal combustion engine, the internal combustion engine is separated from an output of the drive train.
- the invention relates to a friction clutch device, in particular for a drive train of an engine-driven motor vehicle.
- a method is known from EP 2 048 355 A2 for controlling a start-stop system for a vehicle operated by a driver and to be put into operation by means of an operating switch with manual transmission with a clutch operated by an internal combustion engine and the manual transmission Clutch, wherein the engine is stopped when a first signal representing the operation of the clutch pedal is present and at least one further condition for stopping the internal combustion engine is met, and a restart of the internal combustion engine takes place when the first signal representing the operation of the clutch pedal is present and at least one further condition for the restart is fulfilled, whereby a further condition For stopping and restarting, a second signal is representative of an actual coupling state in conjunction with the first signal.
- the object of the invention is to functionally improve an initially mentioned method for increasing the comfort when stalling an internal combustion engine of a motor vehicle.
- damage to components, in particular a dual-mass flywheel, of the drive train by stalling the internal combustion engine should be avoided.
- the method should optionally be combined with a start-stop system.
- the ease of use should be increased when stopping a motor vehicle with start-stop system.
- the frequency and the duration of the stop phases of an active start-stop system should be increased.
- the invention is also based on the object of providing a friction clutch device comprising a control device for carrying out such a method.
- the object is achieved with methods for actuating a
- Friction clutch device for arrangement in a drive train of an engine-driven motor vehicle, wherein to avoid a
- Powertrain is disconnected, wherein after falling below the speed threshold and the resulting separation of the internal combustion engine from the output, a switching off of the internal combustion engine takes place.
- the speed threshold may be a defined lower limit speed of the internal combustion engine or of a component of the drive train connected to the internal combustion engine, below which the internal combustion engine tends to stall.
- a friction clutch of the friction clutch device can be opened.
- a friction clutch is a technically mature assembly for separating the engine from the output.
- the switching off of the internal combustion engine can be done by a start-stop system.
- the switching off of the internal combustion engine can take place by means of a stop function of a start-stop system.
- Turning off the internal combustion engine increases the ease of use of the motor vehicle, because the driver of a motor vehicle with manual transmission, the vehicle can comfortably stop without having to operate the clutch.
- the switching off of the internal combustion engine already take place during a rolling of the motor vehicle, which can reduce the fuel consumption compared to motor vehicles with known from the prior art start-stop systems, as is done in motor vehicles with known start-stop systems and manual transmissions switching off the internal combustion engine only when the vehicle is stationary, designed the gear and the clutch is engaged again.
- an actuating position of a clutch pedal of the friction clutch device can be queried.
- the interrogation of the operating position of the clutch pedal can be done by means of a sensor device.
- the clutch pedal is not actuated, it is possible to query whether the motor vehicle is in motion.
- the opened state of the friction clutch can be maintained when the motor vehicle is in motion.
- the opened state of the friction clutch can be maintained for a limited period of time when the motor vehicle is in motion.
- the opened state of the friction clutch can be maintained when the engine is switched off when the motor vehicle is in motion.
- the operating state of the friction clutch can follow the actuation position of the clutch pedal when the internal combustion engine is switched off.
- the internal combustion engine When the clutch pedal is pressed, the internal combustion engine can be started. When the clutch pedal is actuated, the internal combustion engine can be started by means of a start-stop system. The driver therefore does not have to undertake any further actions for restarting the internal combustion engine, in particular not actuating the ignition lock.
- the motor vehicle can be braked by a brake system of the motor vehicle after switching off the internal combustion engine. This ensures a stop of the motor vehicle.
- a drag torque of the internal combustion engine can be simulated when the friction clutch is open by the braking intervention.
- the object is achieved with a friction clutch device, in particular for a drive train of an internal combustion engine-driven motor vehicle, the friction clutch device having a control device for carrying out a method according to the invention.
- the friction coupling device may comprise an electrical and / or electronic control device.
- the friction clutch device may have a friction clutch.
- the friction clutch device may be one of the friction clutch associated and signal conducting connected to the control device
- the friction coupling device may be a coupling have pedal.
- the friction clutch device may have a sensor device associated with the clutch pedal and signal-conductingly connected to the control device.
- the friction clutch device may be a clutch-by-wire system.
- the friction clutch device can be used for arrangement in a drive train of a motor vehicle.
- the drive train may include an internal combustion engine.
- the powertrain may include a torsional vibration damper.
- the powertrain may include a dual mass flywheel.
- the drive train may comprise the friction coupling device.
- the drive train may have a transmission.
- the transmission may have a drive side and a driven side.
- the transmission may have an output.
- the drive train may have a stepped transmission.
- the drive train may have a manual transmission.
- the drive train may have at least one drivable vehicle wheel.
- the vehicle wheel can be driven by an output of the transmission.
- the terms "input part” and "output part” are in this case based on
- the control device may have a computing device, a memory device and / or signal interfaces.
- the control device may be part of a higher-level control device or be signal-conducting connected to a higher-level control device.
- the friction clutch can have an input part and at least one output part.
- the friction clutch may be a single clutch.
- the friction clutch may be a dual clutch.
- the friction clutch can be a
- the friction clutch may be a multi-plate clutch.
- the friction clutch can be self-opening.
- the friction clutch can be self-closing.
- the friction clutch can be pressed pressed.
- the friction clutch can be pulled pulled actuated.
- the friction clutch can be partially automated or automated.
- the friction clutch may have a clutch rotational axis, at least one pressure plate, at least one axially limited to an actuation of the friction clutch relative to the at least one pressure plate pressure plate and at least one frictional power transmission between the at least one pressure plate and the at least one pressure plate einklemmbare clutch disc.
- the friction clutch may include a housing.
- the housing can also be referred to as a lid.
- the at least one pressure plate and the housing can be firmly connected to each other.
- the at least one pressure plate and the housing may be rotatably connected to each other and axially fixed.
- the at least one pressure plate and the housing can be connected to each other in a rotationally fixed manner.
- the at least one pressure plate can be limited axially displaceable to the housing.
- the input part of the friction clutch may include the housing having at least one pressure plate and the at least one pressure plate.
- the output part of the friction clutch may comprise the at least one clutch disc.
- the friction clutch can, starting from a fully disengaged, that is open operating position, in which there is substantially no power transmission between the input part and the at least one output part, to a fully engaged, that is closed actuating position, in between the input part and the at least an output part is substantially a complete power transmission, depending on the operation enable an increasing mechanical power transmission, wherein a power transmission between the input part and the at least one output part is frictionally engaged.
- a fully engaged actuator tion position can be a closed operating position.
- a fully disengaged operating position may be an open operating position.
- the friction clutch can serve to enable start-up as well as a change of gear ratios.
- the input part and the at least one output part can be connected to each other or separated from each other. In the case of a double clutch, a power flow from the input part may be displaceable in a transitional transition from a first output part to a second output part and vice versa.
- the actuator device may be electrically controllable. Controlling may be controlling or regulating.
- the actuator device may have an electric motor drive.
- the actuator device can serve for the direct or indirect actuation of the friction clutch.
- the clutch pedal may be directly operable by a driver.
- the sensor device can serve to sense an actuating position of the clutch pedal.
- the object is also achieved by a friction clutch device, the friction clutch device having a control device for carrying out the method according to the invention.
- the control device may be a control device described above.
- the invention thus provides, inter alia, a method for the controlled switching off (stopping) of an engine in the event of a danger of stalling instead of stalling it. This is done by separating the engine from the output at the risk of stalling, for example, by opening a clutch, in particular a friction clutch, and then in particular by means of a start / stop mechanism of the engine control turns off the engine. If the vehicle then comes to a standstill, the output can be re-connected, for example, the clutch can be closed or in the normal
- a braking intervention can support, which ensures the stopping or simulating the drag torque of the engine based on the classic hand switch.
- the invention works in particular with motor vehicles, which can automatically interrupt the connection of the engine to the output and are equipped with a start / stop system.
- Typical applications are so-called clutch-by-wire systems, in which the mechanical connection between a clutch pedal and the clutch is replaced by an actuator. Its control takes place depending on the situation on the basis of the pedal value of the clutch, or else independently thereof by means of a control device.
- the stopping of the motor vehicle can take place in three phases.
- a first phase opening the clutch
- the clutch is opened when the engine has fallen below a lower speed limit, which is close to a stall threshold, but still high enough that there is no noticeable driveline vibrations of the motor vehicle (speed threshold).
- speed threshold Depending on the deceleration of the motor vehicle, the opening of the clutch can take place at different speeds and at different engine speeds (speed thresholds), to ensure that the clutch is open when it reaches the comfort-critical engine speed.
- a second phase switching off the internal combustion engine
- the engine is switched off as soon as the clutch has been recognized as open. This process is not time-critical and can be delayed depending on the driving situation.
- a driver must still be able to associate the stopping of the engine with the stopping of the motor vehicle.
- the motor vehicle comes to a standstill. Once the vehicle is stationary, the clutch can be engaged when the engine is not running. Thus, the clutch pedal is again in sync with the applied clutch torque, since the driver calls for a closed clutch when not pedaled clutch pedal. All three phases can be supported by a braking intervention. As a result, the stopping of the motor vehicle is ensured even when the clutch is open.
- a driver may stop the motor vehicle without operating the clutch pedal. This has the advantage that the stop function of the automatic start-stop system more often and earlier (already when rolling out of the motor vehicle) responds, which ultimately brings consumption benefits.
- optional features of the invention are referred to as “may.” Accordingly, there is an embodiment of the invention having the respective feature or features. "With the invention, a method of enhancing the comfort of stalling an internal combustion engine of a motor vehicle is functionally improved.
- the method according to the invention is optionally combinable with a start-stop system, in particular the ease of operation when stopping a motor vehicle with start-stop system. System increases, because the inventive method allows a comfortable stopping of the motor vehicle, without the need to actuate the clutch pedal must become. In particular, the frequency and duration of the stop phases of an active start-stop system is increased.
- a friction clutch device comprising a control device for carrying out the method according to the invention.
- FIG. 1 shows a block diagram of the method steps of a method according to the invention for actuating a friction clutch device.
- FIG. 1 shows a block diagram of a method 100 according to the invention for actuating a friction clutch device, the method steps being shown as blocks and branches for the visualization of the method 100.
- the blocks represent, in particular, technical actions during the method.
- a branching represents, in particular, a query of a technical condition and a resulting decision with respect to the further course of the procedure.
- the friction clutch device is used for arrangement in a drive train of an internal combustion engine-driven motor vehicle between an internal combustion engine and a stepped transmission, in order to enable a start-up and a change of gear ratios.
- the friction clutch device has an electric control device, a friction clutch, an actuator device with a electromotive drive, a clutch pedal and a sensor device.
- the friction clutch device is a clutch-by-wire system in which a mechanical connection between the clutch pedal and the friction clutch is replaced by the actuator device.
- the actuation of the friction clutch can be carried out on the basis of an operating position of the clutch pedal detected by means of the sensor device, but depending on the situation also independent of the actuation position of the clutch pedal.
- the actuator device is controlled or regulated by the control device.
- the method 100 begins with a method step 102 when the motor vehicle is put into operation or is already in operation.
- a method step 104 determines whether the engine speed of the internal combustion engine falls below a speed threshold.
- the speed threshold is defined such that falling below the speed threshold can lead to a stalling of the motor vehicle.
- a method step 106 the opening state of the friction clutch follows the actuation state of the clutch pedal. If the speed threshold does not fall below during the operation of the motor vehicle, the method 100 ends, in particular without the passage of further method steps, with method step 108 when the motor vehicle is taken out of operation.
- a method step 110 the friction clutch is opened by the actuator device during operation of the motor vehicle at an undershooting of the speed threshold which is determined in method step 104 independently of the actuation position of the clutch pedal. Subsequently, in a method step 1 12 it is queried whether the friction clutch is open, in particular completely open. If the friction clutch is open, the internal combustion engine is turned off in a method step 1 14.
- a method step 1 16 After the internal combustion engine is switched off, it is queried in a method step 1 16 whether the clutch pedal is actuated. Is the clutch pedal pressed, In a next method step 122, the internal combustion engine is started. The starting takes place by means of a start-stop system, wherein it is preferably queried whether starting according to a start-stop algorithm and with regard to the functional safety of the motor vehicle is permissible. In the further course of the process follows, according to method step 106, the opening state of the friction clutch again the actuation state of the clutch pedal.
- the starting of the internal combustion engine by means of the start-stop system in method step 122 can optionally be dispensed with.
- method step 1 16 If it is determined in method step 1 16 that the clutch pedal is not actuated, then in method step 1 18 it is queried whether the internal combustion engine is switched off and whether the motor vehicle is stationary or still in motion. If the internal combustion engine is switched off and the motor vehicle is stationary, according to method step 106, the opening state of the friction clutch again follows the actuation state of the clutch pedal. The friction clutch is thus engaged. If the internal combustion engine is switched off and the motor vehicle is still moving, the clutch is kept open according to method step 120. The further method sequence of the method 100 then provides for a renewed interrogation according to method step 16, that is, it is again queried whether the clutch pedal is actuated.
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
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201680072155.3A CN108368895B (en) | 2015-12-17 | 2016-11-30 | Method for operating a friction clutch device and friction clutch device |
DE112016005788.1T DE112016005788A5 (en) | 2015-12-17 | 2016-11-30 | Method for actuating a friction clutch device and friction clutch device |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102015225639.1 | 2015-12-17 | ||
DE102015225639.1A DE102015225639A1 (en) | 2015-12-17 | 2015-12-17 | Method for actuating a friction clutch device and friction clutch device |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2017101934A1 true WO2017101934A1 (en) | 2017-06-22 |
Family
ID=57614105
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE2016/200564 WO2017101934A1 (en) | 2015-12-17 | 2016-11-30 | Method for actuating a friction clutch device, and friction clutch device |
Country Status (3)
Country | Link |
---|---|
CN (1) | CN108368895B (en) |
DE (2) | DE102015225639A1 (en) |
WO (1) | WO2017101934A1 (en) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19544021A1 (en) * | 1995-11-25 | 1997-05-28 | Bosch Gmbh Robert | Control system |
US20030144114A1 (en) * | 2002-01-30 | 2003-07-31 | Sayman Robert Anthony | Method of preventing engine stall using automated clutch control |
DE102005017025A1 (en) | 2005-04-13 | 2006-10-26 | Luk Lamellen Und Kupplungsbau Beteiligungs Kg | Comfort increasing method for use during stalling internal combustion engine of motor vehicle, involves providing motor vehicle with clutch for separating gear from engine and moving clutch from stalling position after stalling engine |
EP2048355A2 (en) | 2007-10-11 | 2009-04-15 | LuK Lamellen und Kupplungsbau Beteiligungs KG | Method for controlling a start-stop system for a vehicle with manual transmission and corresponding device |
DE102007055758A1 (en) * | 2007-12-11 | 2009-06-18 | Zf Friedrichshafen Ag | Method for controlling an automated clutch of a transmission in stalled internal combustion engine |
WO2015146525A1 (en) * | 2014-03-25 | 2015-10-01 | Toyota Jidosha Kabushiki Kaisha | Engine stopping system |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10146742A1 (en) * | 2001-09-22 | 2003-08-21 | Voith Turbo Kg | Method for controlling and / or regulating the drag torque in a drive train and control and regulating system |
DE102008001144A1 (en) * | 2008-04-14 | 2009-10-15 | Robert Bosch Gmbh | Slip operation of a clutch in hybrid drive devices |
CN101857022A (en) * | 2009-04-13 | 2010-10-13 | 杨铭域 | Power control method and system |
CN103195589A (en) * | 2013-01-07 | 2013-07-10 | 浙江吉利汽车研究院有限公司杭州分公司 | Start assisting device of manual-gear automobile |
-
2015
- 2015-12-17 DE DE102015225639.1A patent/DE102015225639A1/en not_active Withdrawn
-
2016
- 2016-11-30 CN CN201680072155.3A patent/CN108368895B/en active Active
- 2016-11-30 DE DE112016005788.1T patent/DE112016005788A5/en not_active Withdrawn
- 2016-11-30 WO PCT/DE2016/200564 patent/WO2017101934A1/en active Application Filing
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19544021A1 (en) * | 1995-11-25 | 1997-05-28 | Bosch Gmbh Robert | Control system |
US20030144114A1 (en) * | 2002-01-30 | 2003-07-31 | Sayman Robert Anthony | Method of preventing engine stall using automated clutch control |
DE102005017025A1 (en) | 2005-04-13 | 2006-10-26 | Luk Lamellen Und Kupplungsbau Beteiligungs Kg | Comfort increasing method for use during stalling internal combustion engine of motor vehicle, involves providing motor vehicle with clutch for separating gear from engine and moving clutch from stalling position after stalling engine |
EP2048355A2 (en) | 2007-10-11 | 2009-04-15 | LuK Lamellen und Kupplungsbau Beteiligungs KG | Method for controlling a start-stop system for a vehicle with manual transmission and corresponding device |
DE102007055758A1 (en) * | 2007-12-11 | 2009-06-18 | Zf Friedrichshafen Ag | Method for controlling an automated clutch of a transmission in stalled internal combustion engine |
WO2015146525A1 (en) * | 2014-03-25 | 2015-10-01 | Toyota Jidosha Kabushiki Kaisha | Engine stopping system |
Also Published As
Publication number | Publication date |
---|---|
DE102015225639A1 (en) | 2017-06-22 |
CN108368895B (en) | 2019-12-10 |
CN108368895A (en) | 2018-08-03 |
DE112016005788A5 (en) | 2018-09-06 |
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