WO2013152922A1 - Verfahren zur verminderung von rupfschwingungen - Google Patents
Verfahren zur verminderung von rupfschwingungen Download PDFInfo
- Publication number
- WO2013152922A1 WO2013152922A1 PCT/EP2013/055536 EP2013055536W WO2013152922A1 WO 2013152922 A1 WO2013152922 A1 WO 2013152922A1 EP 2013055536 W EP2013055536 W EP 2013055536W WO 2013152922 A1 WO2013152922 A1 WO 2013152922A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- clutch
- friction clutch
- transfer function
- emulated
- frequency
- Prior art date
Links
Classifications
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- 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
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- 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
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/10—Suppression of vibrations in rotating systems by making use of members moving with the system
-
- 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
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- 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
- F16D2500/308—Signal inputs from the transmission
- F16D2500/3081—Signal inputs from the transmission from the input shaft
- F16D2500/30816—Speed of the input shaft
-
- 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
- F16D2500/3163—Using the natural frequency of a component as input for the control
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- 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
- F16D2500/50293—Reduction of vibrations
-
- 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
- F16D2500/706—Strategy of control
- F16D2500/70668—Signal filtering
-
- 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
- F16D2500/70673—Statistical calculations
- F16D2500/70689—Statistical calculations using maximum or minimum values
Definitions
- the invention relates to a method for reducing Rupfschwingonne in one
- Motor vehicle drive train with a drive unit, a vehicle transmission and an automated friction clutch.
- Vehicle clutch transmissible torque in particular during the engagement of the clutch when starting, in which method the torque is modulated in dependence on a derived only from the speed of the clutch disc size to specify a method for modulating the transmissible torque of the clutch, with the juddering vibrations more accurately can be corrected.
- the invention has for its object to improve an aforementioned method on.
- a solution is to be provided which functions more robustly in order to minimize the risk of complaints in series applications.
- a behavior should be better controllable when multiple frequency components with comparable amplitude occur in the sensitive area.
- the control should be facilitated if a phase jump occurs in the input signal or the amplitude or frequency change greatly.
- an improvement is to be achieved even with a weak, strong, geometric or parametric plucking.
- a predictability of the effect is to be improved and thus a targeted interpretation of a driveline damping facilitated.
- the object is achieved by a method for reducing juddering vibrations in a motor vehicle drive train with a drive unit, a vehicle transmission and an automated friction clutch, in which a vibration damper is emulated by a corresponding actuation of the friction clutch.
- Chattering vibrations can be torsional vibrations which are excited by a picking of the friction clutch. "Whipping" can signify an unintentional brief slippage of the friction clutch, which can occur repeatedly and / or periodically may have phase jumps.
- the friction clutch may be disposed in the motor vehicle drive train between the drive unit and the transmission.
- the motor vehicle drive train may have a torsional vibration damper, in particular a dual mass flywheel.
- the torsional vibration damper can be arranged in the motor vehicle drive train between the drive unit and the friction clutch.
- the drive unit may be an internal combustion engine.
- the motor vehicle drive train may have at least one drivable wheel.
- the friction clutch may include an input part and at least one output part.
- the friction clutch may have an input part and exactly one output part.
- the friction clutch may have an input part and two output parts.
- the friction clutch may be a single clutch.
- the friction clutch may be a dual clutch.
- the dual clutch may have a first clutch and a second clutch.
- the friction clutch or clutch may be a single disc clutch.
- the friction clutch or clutch may be a multi-plate clutch.
- the friction clutch or clutch may be a dry clutch.
- the friction clutch or clutch may be a wet clutch.
- the friction clutch or clutch can be self-opening.
- the friction clutch or clutch can be self-closing.
- the friction clutch or clutch may be a depressed clutch.
- the friction clutch or clutch may be a towed clutch.
- the friction clutch depending on a fully disengaged operating position, in which there is substantially no power transmission between the input part and the output part, to a fully engaged operating position in which there is substantially complete power transmission between the input part and the output part, depending on the actuation an increasing Enable power transmission, wherein a power transmission between the input part and the output part is frictionally.
- a fully engaged operating position in which substantially complete power transmission takes place between the input part and the output part
- a completely disengaged operating position in which substantially no power transmission takes place between the input part and the output part
- “Automated” may refer to an automated operability of the friction clutch, an actuator may serve to actuate the friction clutch, the actuator may comprise at least one actuator, and the at least one actuator may be for mechanically biasing the friction clutch
- the actuator may comprise at least one actuator
- the actuator may comprise two actuators
- the actuator may comprise at least one control means
- the at least one control means may be used to control the at least one actuator
- the at least one control device can output signals for Generate control of at least one actuator.
- the at least one control device can be at least partially structurally integrated into the at least one actuator.
- the at least one control device can be provided with input signals.
- the input signals may be sensor signals.
- the input signals may be signals of a rotational speed sensor, an acceleration sensor, a displacement sensor, a force sensor, a torque sensor and / or other driveline torque relevant signals.
- the at least one control device can have a computing device.
- the computing device may include a processor.
- the at least one control device can have a storage device.
- the storage device may comprise a buffer memory.
- Vibration absorber are emulated.
- the friction clutch can be opened and / or closed in such a way that torques are applied which follow the juddering vibrations in such a phase-shifted manner that energy is removed from the juddering vibrations and damping is achieved.
- the method may be applied temporarily during operation of the motor vehicle. The method can be used in predetermined operating situations. The method can be used if the required parameters are available in sufficient quality.
- mechanical vibration absorber can be omitted. Manufacturing and / or maintenance costs are reduced. A reduction of juddering vibrations is improved. Robustness of the process is increased. Controllability of the method is improved. A direct frequency determination of the juddering vibrations is not necessary. Improvements are achieved in an expanding operating range. An effect can be predicted better.
- a vibration damper can be emulated by means of a transfer function whose magnitude has a maximum in the range of a resonant frequency of the motor vehicle drive train. An increase to that and / or a fall from the maximum may be adjustable.
- a vibration damper can be emulated using a transfer function that has a phase shift. The phase shift can be selected such that a feedback signal in antiphase, ie with a phase shift of -180 °, the original disturbance acts.
- the transfer function may have a phase shift that corresponds to a phase shift between a clutch torque and a rotational torque. number signal corresponds.
- the transfer function can have a phase shift of -90 °. The phase shift can be adaptable. Thus, a phase shift between a clutch torque and a speed signal can be adjusted.
- the phase shift can be realized by means of a time shift using the memory device.
- Emulation of a vibration absorber can be filtered.
- a high pass can be used to suppress low frequency components.
- Emulation of a vibration absorber can be amplified.
- a vibration absorber can be emulated by means of a transfer function, which is obtained by interconnecting linear control elements.
- the control elements can each be parametrizable separately.
- an adaptation to a respective motor vehicle drive train can be made.
- an optimal compromise between damping at the resonance frequency and amplification outside the resonance can be achieved.
- a parameterization of the control elements can each be customizable. This can be done depending on the operating situation adapted reduction of juddering vibrations.
- an adaptation to an inserted gear ratio, a transmission temperature and / or a clutch temperature can take place.
- An adaptation can be done by calibration of maps. The maps may include the parameters required to perform the method.
- An adaptation can be done by adaptation algorithms.
- An adaptation can be made by observing a behavior of the motor vehicle drive train.
- An adaptation can be done observing the resonance frequency. This ensures a functionality of the damping of the motor vehicle drive train. It can be monitored whether the parameters are in the expected operating room or borderline situations occur. Borderline situations can be diagnosed. If a limit situation is detected, an entry can be made in a fault memory. This means that impending damage in the area of the motor vehicle powertrain can be detected early.
- the transmission function can be supplied as an input signal to a transmission input shaft speed for emulation of a vibration absorber and the transfer function can provide as output a signal for modulation of a clutch torque request.
- the invention thus provides, inter alia, an illustration of a software filter for reducing juddering vibrations.
- a virtual connection of a mass to the system via the modulation of the clutch actuator as a function of the transmission input rotational speed signal can be achieved.
- the transmission input speed signal can be filtered accordingly, so that a transfer function with the following properties is obtained.
- the predictability of a linear filter function can be advantageous.
- the amplitude curve (over frequency) can have a maximum near the drive train frequency and above and below fall sharply towards zero.
- the strength of the waste can be adjusted for high and low frequencies, resulting in a typical full width at half maximum (FWHM: full width width maxima).
- the phase shift may be such that it is in antiphase to the original torque disturbance due to the feedback via the clutch desired torque in resonance.
- vibrations at the resonance frequency can be at least partially canceled out.
- the phase shift can change continuously, which together with the steeply falling amplitude can be a significant gain can be avoided.
- the software filter can be described by a specific transfer function.
- One way to obtain a suitable transfer function may be the interconnection of linear control elements.
- a control algorithm may be used in a vehicle with automated clutch actuation to suppress or significantly reduce (plucking) vibrations in the vicinity of a driveline resonance frequency.
- the control algorithm uses a transmission input speed signal as an input, but other driveline torque relevant signals are also favorable, and outputs a signal to modulate (offset) the desired clutch torque.
- the control algorithm uses a number of linear filter functions to achieve a compromise between the highest possible attenuation at the resonant frequency and the smallest possible amplification outside the resonant frequency.
- the control algorithm may be tuned by various parameters to account for a resonant frequency, a resonant width, a total gain, a phase shift at a particular frequency, and a weighting between high and low frequencies.
- a resonant frequency By using only linear filter elements, a high level of robustness or controllability is given, in particular a superimposition of several filter levels (for example for TN multiple resonances) with foreseeable interactions is conceivable.
- the filter elements used are easy to implement with low memory and computational effort in a real-time control device.
- the variability of the various filter elements allows adaptation to fixed or temporally (with respect to the resonant frequency) slowly varying operating parameters.
- FIG. 2 shows diagrams with characteristics of a transfer function for emulating a vibration damper for reducing juddering vibrations in a vehicle drive train
- Fig. 3 is a diagram of an interconnection of control elements to obtain a transfer function
- Fig. 4 is a diagram of a controlled system to which the transfer function acts.
- Fig. 1 shows a structure of a vehicle powertrain with automated clutch.
- a drive motor 10 is connected via the clutch 12 to a manual transmission 14, which in the present case is connected via a propeller shaft 16 to a differential 18, which in turn is connected via articulated shafts 20 to the rear wheels 22.
- the powertrain may also be a powertrain for a front-wheel drive or four-wheel drive vehicle.
- the clutch 12 is actuated by an actuator or an actuator 24.
- the manual transmission 14 in the present case is an automated manual transmission which is actuated by an actuating device 26.
- a selector unit 28 is provided, with which various driving programs or gears can be selected.
- an accelerator pedal 30 which is connected directly or via an electronic control unit 32 with a power actuator 34 of the drive motor 10 is used.
- the electrical control unit 32 With the electrical control unit 32 are sensors such as a sensor 36 for detecting the rotational speed of a flywheel of the engine 10, a sensor 38 for detecting the rotational speed of a clutch disk, not shown, or the input shaft of the transmission 14, speed sensors 40 for detecting the wheel speeds and other sensors connected, for example, a cooling water temperature sensor, a sensor for detecting the position of the power actuator, a sensor for detecting the position of the clutch, etc. connected.
- the electronic control unit 32 which includes a microprocessor with associated memory devices, programs are stored, with which the actuator 26, the Akt.uat.or 24 and an actuator for the power actuator 34 are controlled.
- the clutch 12 is controlled so that each one of operating conditions of the
- Powertrain dependent torque is transferable.
- the transmissible by the clutch torque depends on the force or the path with which the actuator 24 actuates the clutch.
- when engaging the clutch occur as a result of the transition between sliding friction and static friction and the interaction with the oscillatory drive train torsional vibrations, which are also known as plucking and not only adversely affect the comfort, but also adversely affect the durability.
- FIG. 2 shows diagrams 200, 202, 204, 206 with characteristics of a transfer function for emulating a vibration absorber for reducing juddering vibrations in a vehicle drive train.
- a clutch such as clutch 12 according to FIG. 1
- One frequency is plotted on the x-axis.
- the characteristic of a transfer function 208 represents the amount of a transfer function.
- the characteristic curve 208 initially rises from a frequency of 0 Hz S-shaped to a maximum value 210.
- the maximum value 210 is in the range of a resonance frequency of the vehicle drive train.
- the maximum value 210 is at a frequency of about 4-10 Hz, in particular at a frequency of about 6-8 Hz. At higher frequency values towards the characteristic curve 208 falls off. At a frequency of 20 Hz, the characteristic 208 has fallen to approximately half of the maximum value 210.
- a phase shift of a transmission function is shown with a characteristic curve 212. The phase shift is -90 °, so that a feedback signal is out of phase, ie - 180 °, to the original disturbance.
- a characteristic curve 214 represents an uncontrolled amplitude profile and a characteristic curve 216 shows a controlled amplitude profile. The unregulated amplitude curve has a maximum value.
- the controlled amplitude characteristic has a significantly reduced maximum amplitude 218.
- the characteristic of a feedback curve 220 is shown as the ratio between the unregulated amplitude characteristic and the controlled amplitude characteristic (Gain).
- the characteristic curve 220 initially rises slightly, starting from a frequency of 0 and a value of approximately 1, and then drops to a minimum value 222.
- the minimum value 222 is approximately 0.4-0.6, in particular approximately 0.5.
- the minimum value 222 is in the range of a resonance frequency of the vehicle drive train. At higher frequency values, the characteristic curve 220 rises again and approaches the output value of approx. 1 again at a frequency of 20 Hz.
- FIG. 3 shows a diagram 300 for an interconnection of control elements 302, 304, 306, 308 in order to obtain a transfer function, such as the transfer function according to FIG. 2.
- the control elements 302, 304, 306, 308 are each linear control elements.
- the control elements 302, 304, 306, 308 are arranged in series.
- the control element 302 is a PT2-type high pass with a buckling frequency ⁇ ⁇ to filter out DC components in a speed signal.
- the high pass of the rule element 302 is by means of a function
- the control element 304 is a PT2 filter with resonance overshoot.
- the PT2 filter with resonance peak of the control element 304 is using a
- the control element 306 is a PD element in order to be able to
- the PD element of the control element 306 is formed by a function cos ( ⁇ p) + sin ( ⁇ p) -.
- the control element 308 is a P-element with a total gain K.
- the individual parameters of the control Elements 302, 304, 306, 308 are adapted to the vehicle drive train. For example, the parameters are chosen as follows:
- FIG. 4 shows a diagram 400 of a controlled system to which a transfer function, such as a transfer function according to FIG. 2 and FIG. 3, acts.
- the starting point is a regular clutch torque request 402.
- the clutch torque request 402 is fed to a clutch control 404, which supplies a control voltage 406 as an output signal.
- the control voltage 406 causes a dynamic behavior 408 of the clutch and an associated actuator. This results in an actual clutch torque 410.
- the clutch torque 410 causes a dynamic behavior 412 of the vehicle drive train. This results in speeds 414 of a transmission input shaft.
- the input variable for emulating a vibration damper using the transmission function are the speeds 414 of the transmission input shaft.
- a signal 418 for modulating the clutch torque request 402 is provided.
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Fluid Mechanics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
- Mechanical Operated Clutches (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201380016535.1A CN104204591B (zh) | 2012-04-11 | 2013-03-18 | 用于降低抖振的方法 |
DE112013001982.5T DE112013001982A5 (de) | 2012-04-11 | 2013-03-18 | Verfahren zur Verminderung von Rupfschwingungen |
US14/391,619 US9624991B2 (en) | 2012-04-11 | 2013-03-18 | Method for reducing chatter vibrations in a drivetrain |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
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DE102012205821 | 2012-04-11 | ||
DE102012205821.4 | 2012-04-11 | ||
DE102012212935.9 | 2012-07-24 | ||
DE102012212935 | 2012-07-24 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US14/391,619 Continuation US9624991B2 (en) | 2012-04-11 | 2013-03-18 | Method for reducing chatter vibrations in a drivetrain |
Publications (1)
Publication Number | Publication Date |
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WO2013152922A1 true WO2013152922A1 (de) | 2013-10-17 |
Family
ID=47988919
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2013/055536 WO2013152922A1 (de) | 2012-04-11 | 2013-03-18 | Verfahren zur verminderung von rupfschwingungen |
Country Status (4)
Country | Link |
---|---|
US (1) | US9624991B2 (de) |
CN (1) | CN104204591B (de) |
DE (2) | DE102013204698A1 (de) |
WO (1) | WO2013152922A1 (de) |
Cited By (1)
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DE102015205914A1 (de) | 2015-04-01 | 2016-10-06 | Volkswagen Aktiengesellschaft | Verfahren zum Kontrollieren von Rupfschwingungen in einem Antriebsstrang eines Kraftfahrzeugs, Schaltgetriebe und Antriebsstrang |
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DE112014001944A5 (de) | 2013-04-11 | 2016-01-07 | Schaeffler Technologies AG & Co. KG | Verfahren zur Verminderung von Rupfschwingungen einer Reibungskupplung in einem Antriebsstrang eines Kraffahrzeugs |
US10012275B2 (en) | 2014-04-16 | 2018-07-03 | Schaeffler Technologies AG & Co. KG | Method for configuring a software damper of a clutch control system and software damper for damping chatter vibrations |
DE102014222457A1 (de) | 2014-11-04 | 2016-05-04 | Schaeffler Technologies AG & Co. KG | Verfahren zur Ermittlung eines Übertragungsverhaltens eines Antriebsstrangs |
DE102015002296B4 (de) * | 2015-02-24 | 2020-02-20 | Audi Ag | Verfahren zum Betreiben eines Antriebsstrangs für ein Kraftfahrzeug sowie entsprechender Antriebsstrang |
WO2016134711A1 (de) * | 2015-02-25 | 2016-09-01 | Schaeffler Technologies AG & Co. KG | Verfahren zur steuerung eines antriebsstranges |
DE112016000924A5 (de) * | 2015-02-27 | 2017-11-30 | Schaeffler Technologies AG & Co. KG | Filter zur Filterung von ein Drehzahlsignal überlagernden Schwingungen sowie ein Verfahren zur Einstellung einer Breite des Filters |
DE102015224686A1 (de) | 2015-12-09 | 2017-06-14 | Schaeffler Technologies AG & Co. KG | Verfahren zum Starten einer Brennkraftmaschine |
DE102016211960A1 (de) * | 2016-06-30 | 2018-01-04 | Zf Friedrichshafen Ag | Verfahren zur Übertragung und Dämpfung von Drehmomenten |
DE102016211950A1 (de) | 2016-06-30 | 2018-01-04 | Zf Friedrichshafen Ag | Verfahren zur Übertragung und Dämpfung von Drehmomenten |
DE102016211956A1 (de) * | 2016-06-30 | 2018-01-04 | Zf Friedrichshafen Ag | Verfahren zur Übertragung und Dämpfung von Drehmomenten |
DE102016211951A1 (de) * | 2016-06-30 | 2018-01-04 | Zf Friedrichshafen Ag | Verfahren zur Übertragung und Dämpfung von Drehmomenten |
DE102016211958A1 (de) | 2016-06-30 | 2018-01-04 | Zf Friedrichshafen Ag | Verfahren zur Übertragung und Dämpfung von Drehmomenten |
DE102016218409A1 (de) | 2016-09-26 | 2018-03-29 | Schaeffler Technologies AG & Co. KG | Verfahren zur Unterbindung von Rupfschwingungen eines automatisierten Kupplungssystems eines Kraftfahrzeuges während eines Kriechmodus |
DE102018111150B4 (de) | 2018-05-09 | 2019-12-05 | Schaeffler Technologies AG & Co. KG | Verfahren zur Ermittlung der Triebstrangsensitivität eines Antriebsstrangs eines Kraftfahrzeugs |
JP2021143724A (ja) | 2020-03-12 | 2021-09-24 | マツダ株式会社 | 摩擦締結要素の制御装置及び制御方法 |
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2013
- 2013-03-18 WO PCT/EP2013/055536 patent/WO2013152922A1/de active Application Filing
- 2013-03-18 DE DE102013204698A patent/DE102013204698A1/de not_active Withdrawn
- 2013-03-18 DE DE112013001982.5T patent/DE112013001982A5/de not_active Ceased
- 2013-03-18 CN CN201380016535.1A patent/CN104204591B/zh not_active Expired - Fee Related
- 2013-03-18 US US14/391,619 patent/US9624991B2/en active Active
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WO2003019029A1 (de) * | 2001-08-24 | 2003-03-06 | Luk Lamellen Und Kupplungsbau Beteiligungs Kg | Verfahren und system zur steuerung einer zwischen einem motor und einem getriebe eines kraftfahrzeuges angeordneten, automatisierten reibungskupplung |
WO2003100279A1 (de) * | 2002-05-27 | 2003-12-04 | Luk Lamellen Und Kupplungsbau Beteiligungs Kg | Verfahren und vorrichtung zum modulieren des von einer fahrzeugkupplung übertragenen moments |
DE10323567A1 (de) | 2002-05-27 | 2003-12-11 | Luk Lamellen & Kupplungsbau | Verfahren und Vorrichtung zum Modulieren des von einer Fahrzeugkupplung übertragenen Moments |
WO2004027285A1 (de) * | 2002-09-12 | 2004-04-01 | Luk Lamellen Und Kupplungsbau Beteiligungs Kg | Verfahren zum vermindern von rupfschwingungen |
DE102005009710A1 (de) * | 2004-04-06 | 2005-10-20 | Luk Lamellen & Kupplungsbau | Verfahren zum Ansteuern des Kupplungsmomentes einer Kupplung eines automatisierten Getriebes und eine Vorrichtung zum Durchführen des Verfahrens |
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DE102012217132A1 (de) * | 2011-10-04 | 2013-04-04 | Schaeffler Technologies AG & Co. KG | Verfahren zur Verminderung von Rupfschwingungen |
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DE102015205914A1 (de) | 2015-04-01 | 2016-10-06 | Volkswagen Aktiengesellschaft | Verfahren zum Kontrollieren von Rupfschwingungen in einem Antriebsstrang eines Kraftfahrzeugs, Schaltgetriebe und Antriebsstrang |
Also Published As
Publication number | Publication date |
---|---|
US20150060230A1 (en) | 2015-03-05 |
DE102013204698A1 (de) | 2013-10-17 |
DE112013001982A5 (de) | 2015-01-08 |
CN104204591B (zh) | 2017-05-10 |
CN104204591A (zh) | 2014-12-10 |
US9624991B2 (en) | 2017-04-18 |
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