WO2016004938A1 - Procédé permettant de faire fonctionner un déphaseur d'arbre à cames et dispositif de régulation d'un déphaseur d'arbre à cames - Google Patents

Procédé permettant de faire fonctionner un déphaseur d'arbre à cames et dispositif de régulation d'un déphaseur d'arbre à cames Download PDF

Info

Publication number
WO2016004938A1
WO2016004938A1 PCT/DE2015/200362 DE2015200362W WO2016004938A1 WO 2016004938 A1 WO2016004938 A1 WO 2016004938A1 DE 2015200362 W DE2015200362 W DE 2015200362W WO 2016004938 A1 WO2016004938 A1 WO 2016004938A1
Authority
WO
WIPO (PCT)
Prior art keywords
control
camshaft adjuster
control loop
camshaft
manipulated variable
Prior art date
Application number
PCT/DE2015/200362
Other languages
German (de)
English (en)
Inventor
Jens Schäfer
Andreas THÖLKE
Florian Holler
Original Assignee
Schaeffler Technologies AG & Co. KG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Schaeffler Technologies AG & Co. KG filed Critical Schaeffler Technologies AG & Co. KG
Publication of WO2016004938A1 publication Critical patent/WO2016004938A1/fr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/14—Introducing closed-loop corrections
    • F02D41/1401—Introducing closed-loop corrections characterised by the control or regulation method
    • F02D41/1402—Adaptive control
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/34—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift
    • F01L1/344—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear
    • F01L1/352—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift changing the angular relationship between crankshaft and camshaft, e.g. using helicoidal gear using bevel or epicyclic gear
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L2800/00—Methods of operation using a variable valve timing mechanism
    • F01L2800/15—Balancing of rotating parts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L2820/00—Details on specific features characterising valve gear arrangements
    • F01L2820/03—Auxiliary actuators
    • F01L2820/032—Electric motors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/0002—Controlling intake air
    • F02D2041/001—Controlling intake air for engines with variable valve actuation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/14—Introducing closed-loop corrections
    • F02D41/1401—Introducing closed-loop corrections characterised by the control or regulation method
    • F02D2041/141—Introducing closed-loop corrections characterised by the control or regulation method using a feed-forward control element
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/14—Introducing closed-loop corrections
    • F02D41/1401—Introducing closed-loop corrections characterised by the control or regulation method
    • F02D2041/1413—Controller structures or design
    • F02D2041/1422—Variable gain or coefficients

Definitions

  • the invention relates to a method for the controlled operation of a camshaft adjuster, which comprises an actuator, in particular an electric motor, and a co-ordinating gearbox cooperating with the actuator. Furthermore, the invention relates to a control device for such a Nockenweilverstelier.
  • Oer invention is based on the object, the control of one of the phase adjustment between Nockenweile and crankshaft of an internal combustion engine serving camshaft adjuster .. especially at low speeds of the internal combustion engine, to develop over the cited prior art.
  • the Nockenweilverstelier has an actuator, and an adjusting with an adjustable shaft by the actuator.
  • it is the transmission of the camshaft adjuster about a three-shaft gear, for example, a fan pulley or a wave gear.
  • An actuator is preferably provided as an electric motor; In principle, this control strategy can also be used on hydraulic cam system adjustment systems.
  • the camshaft divider is part of a control loop, in the control loop is given a mechanical vibration capability, which is preventively counteracted by the regulation of the mechanical vibration.
  • the magnitude of the amplitude of the precipitate preferably reaches a maximum before a maximum of the oscillation that can be set in the control loop occurs.
  • the measure which counteracts the vibration to be understood as disturbance thus leads the disturbance ahead.
  • the variation of the manipulated variable can take place with a frequency which corresponds to the frequency of the mechanical oscillation in the control loop.
  • the phase shift between the periodically changing steep variable and the mechanical oscillation in the control loop is, for example, 2 to
  • a simple and yet effective model which is based on the elimination of vibrations, is the model of a mass oscillator, in particular a one-way or two-mass oscillator
  • a particularly simple control strategy with which mechanical mechanical vibrations in the control loop are preventively counteracted, provides that a manipulated variable generated by the control, based on at least approximately known properties of the control loop, is automatically corrected using at least one fixed correction parameter.
  • a correction parameter can for example be added directly to a manipulated variable to be output or indirectly act on a gain factor.
  • a reference model which reflects the physical properties of the camshaft adjuster.
  • Results generated using the reference model which permit conclusions about an anticipated change in the vibration condition of the camshaft adjuster and thus directly or indirectly connected mechanical components, are fed into the control loop in order to counteract mechanical vibrations in a preventive manner.
  • Another strategy that can be combined with the reference model-based regeneration strategy takes into account vibrations measured during control processes, which were detected in a period before the control process.
  • a prediction of a vibration can already be based on a single preceding oscillation period.
  • a plurality of oscillation periods with respect to phase, amplitude and / or frequency is evaluated in order to control the actuator of the camshaft adjuster in the immediately following period in such a way that further oscillations are wiped out as far as possible.
  • a frequency analysis which includes, for example, a Laplace transformation and / or a Fourier transformation, can be linked to the vibration measurement. This makes it possible, in particular, to tune the frequency of a correction signal fed into the control loop exactly to the frequency of a mechanical oscillation to be suppressed.
  • Nockenwefienversteller according to Fig. 1 comprehensive mechanical system and a preventive this vibrations counteracting, an actuator of the camshaft adjuster driving signal.
  • FIG. 1 is a schematic representation of a camshaft adjuster 1 of an internal combustion engine, namely a diesel or gasoline engine, which comprises an actuator 2, namely an electric motor, and an adjusting gear 3.
  • actuator 2 namely an electric motor
  • adjusting gear 3 is a three-shaft gear, such as a swash plate gear or a wave gear.
  • the actuator 2 is linked to a Verstellwelie 4 with the Versteilgetriebe 3.
  • the adjusting mechanism 3 is connected on the output side to a camshaft 5, namely intake or exhaust camshaft, of the internal combustion engine, not shown further.
  • a camshaft 5 namely intake or exhaust camshaft, of the internal combustion engine, not shown further.
  • mechanical elasticities are given, which are symbolized in Fig. 1 m form a separate oscillatory component 6.
  • the elastic properties which occur during operation of the camshaft adjuster 1 spread over a plurality of functional components of the camshaft adjuster 1 and associated components including the camshaft 5.
  • a cam 7 on the camshaft 5 is used in a conventional manner of Operation of a gas exchange valve of the internal combustion engine Wester a donor wheel 8 is mounted on the camshaft 5: which is scanned by a sensor 9 to detect the rotation and Winkelsteliung the camshaft 5.
  • a signal supplied by the sensor 9 is detected and processed by a control unit 10.
  • the actuator 2 With the aid of the control unit 10, the actuator 2 is actuated in order to carry out a specific adjustment of the camshaft adjuster 1. The result of this adjustment is in turn detected by means of the sensor 9, so that a closed loop is formed.
  • this control loop is designed in such a way that mechanical vibration conditions which can occur in the arrangement shown in FIG. 1 are actively and proactively suppressed.
  • FIGS. 2 to 5 Each of the control devices shown in FIGS. 2 to 5 has an engagement, the basic features of which are illustrated in FIG. 6, depending on the crankshaft angle of the internal combustion engine in FIG. 6, below, a mechanical oscillation of the mechanical system illustrated in simplified form as sinusoidal oscillation 1, which includes the camshaft adjuster 1, recognizable in this oscillation is an undesirable, if possible suppressed vibration.
  • the actuator 2 is acted upon by the control unit 10 with a likewise oscillating signal, which is shown in Fig. 6 above.
  • the correction signal applied to the actuator 2 has an absolute minimum. Oer amount of the amplitude of the correction signal, with which the actuator 2 is driven, is thus at time T 1 maximum.
  • the time T 1 is well before a designated T 2 time at which the mechanical vibration amplitude is maximum.
  • the frequency of the correction signal generated by the control unit 10 coincides with the frequency of the mechanical vibration to be suppressed. While the correction signal of the mechanical oscillation would lag behind with conventional controls, the correction signal of the mechanical oscillation applied to the actuator 2 acts preventively as shown in FIG achieved mechanical vibrations. This is true even if the vibrations, unlike in Fig. 6, are not sinusoidal.
  • FIG. 1 A simple variant of a control circuit that can be realized within the arrangement according to FIG. 1 is shown in FIG.
  • the control unit 10 in this case comprises a controller designated 11 and a correction element designated 12.
  • the designated in Fig. 2 with 13 controlled system includes the electric camshaft adjuster 1 a.
  • Time-dependent quantities are denoted by w (t), y (t), e (t), p (t), z (t) and ⁇ (0 in Fig. 2.
  • the reference variable w (t) of the control loop is one Angle of the camshaft 5 or by a size in which the angular position and / or angle change of the cam 5 enters.
  • the reference variable w (t) is not fed directly to the controller 11. Rather, a dashed line in Fig.
  • the regulating devices according to FIGS. 3 to 5 can also be used in the entire rotational speed range of the internal combustion engine having the camshaft adjuster 1.
  • a link is established between the reference variable w (t) and a reference module 16, softer as well the controller 11 may be realized within the control unit 10.
  • the output value y * (t) calculated using the reference model should correspond to the actual controlled variable y (t) present at the output of the controlled system 13.
  • the quantities y * (t) and y (t) are fed to a comparison element 17.
  • the quantity s (t) output by the compensation element 17 is fed to an adaptation device 18, which represents a further component of the control unit 10.
  • the adaptation device 18 is. comparable to the correction element 12 of FIG. 2, associated with the controller 11.
  • the control according to FIG. 3 is operated such that the differential value e (t) processed by the adaptation device 18 is minimal.
  • the reference model stored in the reference block 16 can in the simplest case a simple undamped
  • the signal e (t) output by the subtractor 15 is supplied not only to the controller 11 but also to an observation module 19, which is integrated in the control unit 10.
  • an observation module 19 which in particular evaluates the phase, amplitude and frequency of the signal e (t)
  • a vibration signal v (t) is fed to a further difference former 21 via a feedforward control 20, which is connected between the controller 11 and the controlled system 13.
  • the signal x (t) output by the difference former 21 and fed to the controlled system 13 as a manipulated variable acts on an undesired oscillating signal z (t) ; which also acts on the controlled system 13, contrary, so that the output side of the controlled system 13 detectable signal y (t) is largely free of unwanted vibrations.
  • the variant of the control according to FIG. 5 differs from the variant according to FIG. 4 in that, starting from the feedforward control 20, a feedback to the observation module 19 is established via an overlay element 22.
  • the overlaying element 22 thus outputs the output signal from the feedforward control 20 , oscillating signal v (t) with the controller 11 supplied signal e (t) linked.
  • known frequency analysis methods such as Laplace transformation or Fourier transformation can be used.
  • the frequency which can be taken from the signal e (t) and which reproduces an oscillation within the controlled system 13 is available in order to use

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Valve Device For Special Equipments (AREA)
  • Output Control And Ontrol Of Special Type Engine (AREA)

Abstract

L'invention concerne un procédé permettant un fonctionnement régulé d'un déphaseur d'arbre à cames (1) qui comprend un actionneur (2), en particulier un moteur électrique, et un mécanisme de déphasage (3). Le déphaseur d'arbre à cames (1) fait partie intégrante d'un circuit de régulation, et la régulation agit préventivement à l'encontre d'une vibration mécanique dans le circuit de régulation.
PCT/DE2015/200362 2014-07-08 2015-06-12 Procédé permettant de faire fonctionner un déphaseur d'arbre à cames et dispositif de régulation d'un déphaseur d'arbre à cames WO2016004938A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102014213253.3 2014-07-08
DE102014213253.3A DE102014213253B4 (de) 2014-07-08 2014-07-08 Verfahren zum Betrieb eines Nockenwellenverstellers und Regelvorrichtung für einen Nockenwellenversteller

Publications (1)

Publication Number Publication Date
WO2016004938A1 true WO2016004938A1 (fr) 2016-01-14

Family

ID=53761164

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2015/200362 WO2016004938A1 (fr) 2014-07-08 2015-06-12 Procédé permettant de faire fonctionner un déphaseur d'arbre à cames et dispositif de régulation d'un déphaseur d'arbre à cames

Country Status (2)

Country Link
DE (1) DE102014213253B4 (fr)
WO (1) WO2016004938A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016210864A1 (de) 2016-06-17 2017-09-07 Schaeffler Technologies AG & Co. KG Stellantrieb
DE102020213704A1 (de) 2020-10-30 2022-05-05 Volkswagen Aktiengesellschaft Verfahren zur Steuerung und / oder Regelung einer verstellbaren Nockenwelle

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004027223A1 (fr) 2002-09-13 2004-04-01 Aft Atlas Fahrzeugtechnik Gmbh Dispositif de decalage de phase p
DE10312840A1 (de) * 2003-03-21 2004-09-30 Iav Gmbh Ingenieurgesellschaft Auto Und Verkehr Adaptiver Regler sowie Verfahren zur Bestimmung von dessen Parametern
WO2004090345A1 (fr) * 2003-04-12 2004-10-21 Daimlerchrysler Ag Dispositif et procede pour amortir les variations de pression dans des conduites hydrauliques
WO2005047657A2 (fr) 2003-11-10 2005-05-26 Aft Atlas Fahrzeugtechnik Gmbh Procede pour regler l'angle de rotation et dispositif de dephasage pour mettre en oeuvre ce procede
EP1573177B1 (fr) 2002-12-18 2006-09-13 AFT Atlas Fahrzeugtechnik GmbH Dispositif pour regler la position de phase entre un arbre a cames et un vilebrequin
JP2010084526A (ja) * 2008-09-29 2010-04-15 Honda Motor Co Ltd 内燃機関の動弁装置

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10251347A1 (de) * 2002-07-11 2004-03-11 Ina-Schaeffler Kg Regelstruktur für den Verstellmotor eines elektrischen Nockenwellenverstellers
DE102004037262A1 (de) * 2004-07-31 2006-02-16 Ina-Schaeffler Kg Zugmitteltrieb

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2004027223A1 (fr) 2002-09-13 2004-04-01 Aft Atlas Fahrzeugtechnik Gmbh Dispositif de decalage de phase p
EP1573177B1 (fr) 2002-12-18 2006-09-13 AFT Atlas Fahrzeugtechnik GmbH Dispositif pour regler la position de phase entre un arbre a cames et un vilebrequin
DE10312840A1 (de) * 2003-03-21 2004-09-30 Iav Gmbh Ingenieurgesellschaft Auto Und Verkehr Adaptiver Regler sowie Verfahren zur Bestimmung von dessen Parametern
WO2004090345A1 (fr) * 2003-04-12 2004-10-21 Daimlerchrysler Ag Dispositif et procede pour amortir les variations de pression dans des conduites hydrauliques
WO2005047657A2 (fr) 2003-11-10 2005-05-26 Aft Atlas Fahrzeugtechnik Gmbh Procede pour regler l'angle de rotation et dispositif de dephasage pour mettre en oeuvre ce procede
JP2010084526A (ja) * 2008-09-29 2010-04-15 Honda Motor Co Ltd 内燃機関の動弁装置

Also Published As

Publication number Publication date
DE102014213253A1 (de) 2016-01-14
DE102014213253B4 (de) 2017-12-28

Similar Documents

Publication Publication Date Title
DE602006000128T2 (de) Steuerung
DE102004047945B4 (de) Steuer-/Regelvorrichtung zum Steuern/Regeln einer Anlage durch die Verwendung einer Delta-Sigma-Modulation
EP1521901B1 (fr) Structure de regulation pour le servomoteur d'un dispositif de reglage d'arbre a came electrique
DE102005057975A1 (de) Verfahren zur zylinderindividuellen Steuerung der Kraftstoff- und/oder Luftmenge einer Brennkraftmaschine
DE102009047116A1 (de) Verfahren zum Betreiben eines Hybridantriebs, insbesondere eines Kraftfahrzeugs
EP2205845A1 (fr) Procédé de régulation d'un moteur à gaz stationnaire
DE102007000471A1 (de) Variable Ventilsteuerung
EP2984304A1 (fr) Procédé d'accouplement d'une turbine à vapeur et d'une turbine à gaz avec un écart angulaire souhaité
DE102004064145B4 (de) Regler und Verfahren zum Regeln einer Anlage
WO2016004938A1 (fr) Procédé permettant de faire fonctionner un déphaseur d'arbre à cames et dispositif de régulation d'un déphaseur d'arbre à cames
DE102010041999A1 (de) Verfahren und Vorrichtung zum Korrigieren einer Sensorgröße eines Sensors und zum Betreiben einer Regelung für ein Stellglied
DE102012003581B3 (de) Leerlaufregler und Verfahren zum Betrieb von Brennkraftmaschinen
DE102011077698A1 (de) Verfahren und Vorrichtung zur Regelung der Laufruhe einer Brennkraftmaschine
DE19946077A1 (de) Verfahren zur Regelung der Lage einer Nockenwelle und Anordnung zur Durchführung des Verfahrens
DE10252399B4 (de) Verfahren zur Regelung einer Brennkraftmaschinen-Generator-Einheit
EP3080409A1 (fr) Procédé d'accouplement d'une turbine à vapeur et d'une turbine à gaz à un écart angulaire souhaité
DE102005059575B4 (de) Verfahren zum Betreiben einer Verbrennungskraftmaschine
DE102004015973B3 (de) Verfahren zur Steuerung und Regelung einer Brennkraftmaschinen-Generator-Einheit
DE102016010160A1 (de) Verfahren zur Regelung des Antriebs eines militärischen Geräts, insbesondere einer Waffe oder eines Sensors
DE10232353B4 (de) Verfahren, Speichereinrichtung und Steuergerät zur Bestimmung eines Wertes der Istposition einer verstellbaren Nockenwelle
DE102018100905B3 (de) Verfahren zur Überwachung eines Hubkolbenmotors mit variablem Verdichtungsverhältnis
EP1325214B1 (fr) Procede de decalage simultane d'arbres a cames de differentes rangees de cylindres d'un moteur a combustion interne
EP1223330B1 (fr) Méthode et dispositif pour réguler un système asservi, ainsi qu'un moteur à combustion interne utilisant ce système
DE19851548A1 (de) Kraftstoffeinspritzgerät
DE102010000621B4 (de) Variables Ventilsystem und Steuerungsverfahren für dasselbe

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 15744108

Country of ref document: EP

Kind code of ref document: A1

122 Ep: pct application non-entry in european phase

Ref document number: 15744108

Country of ref document: EP

Kind code of ref document: A1