EP1605140A2 - Déphaseur d'arbre à cames - Google Patents

Déphaseur d'arbre à cames Download PDF

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Publication number
EP1605140A2
EP1605140A2 EP05011059A EP05011059A EP1605140A2 EP 1605140 A2 EP1605140 A2 EP 1605140A2 EP 05011059 A EP05011059 A EP 05011059A EP 05011059 A EP05011059 A EP 05011059A EP 1605140 A2 EP1605140 A2 EP 1605140A2
Authority
EP
European Patent Office
Prior art keywords
adjusting
signal
control
determining
controller
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP05011059A
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German (de)
English (en)
Other versions
EP1605140B1 (fr
EP1605140A3 (fr
Inventor
Holger Dr. Stork
Heiko Dell
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Schaeffler Technologies AG and Co KG
Original Assignee
LuK Lamellen und Kupplungsbau Beteiligungs KG
LuK Lamellen und Kupplungsbau GmbH
Schaeffler 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 LuK Lamellen und Kupplungsbau Beteiligungs KG, LuK Lamellen und Kupplungsbau GmbH, Schaeffler KG filed Critical LuK Lamellen und Kupplungsbau Beteiligungs KG
Publication of EP1605140A2 publication Critical patent/EP1605140A2/fr
Publication of EP1605140A3 publication Critical patent/EP1605140A3/fr
Application granted granted Critical
Publication of EP1605140B1 publication Critical patent/EP1605140B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • 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
    • 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
    • F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/46—Component parts, details, or accessories, not provided for in preceding subgroups
    • 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
    • F02D41/02—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 an adjusting device for the rotational angular position of the camshaft Reciprocating internal combustion engine relative to the crankshaft, with an actuator for adjusting the angular position, which is connected in a control circuit having at least one controller is.
  • Such an adjustment device with an actuator, the two over one another in intervention standing gears with helical teeth has, is known from DE 44 08 425 A1.
  • One the gears are connected to the camshaft and the other is connected by a chain of driven by the crankshaft.
  • the gears can by a hydraulic mechanism in the axial Direction are shifted against each other, resulting in due to the helical teeth a relative rotation between the crankshaft and camshaft results.
  • the hydraulic mechanism is controlled by a control signal generated by means of a control loop becomes.
  • the hydraulic mechanism can be controlled with one of three values, namely an early value for adjusting the camshaft in the direction of early opening the intake valves of the internal combustion engine, a late value for adjusting the camshaft towards a late opening of the intake valves and a holding value to hold the current one Actual angular position.
  • the control circuit works off a control program in which at each Program sweep the sweep rate, as at the beginning of the next program sweep will be estimated. From this estimate and the known temporal Behavior, the camshaft adjustment after switching from holding value to has the control signal (early or late value), the adjustment angle is estimated on the the angular position of the camshaft would still change if the actuating signal at the beginning of the would be changed to the holding value next program run.
  • the adjustment speed as at the beginning of the following program run will probably be present from the current adjustment speed using a Transfer function of first order and a Endverstell für Aus.
  • the final adjustment speed is adapted under certain conditions.
  • the disclosure can thereby provide estimates for the current position even then be determined very accurately when operating parameters of the hydraulic mechanism change, e.g. the viscosity of the hydraulic fluid due to a heating of the same. Yet is the control quality of the control loop especially at different operating conditions still in need of improvement. For example, it can be used in certain operating situations an overshoot of the signal to be regulated come.
  • the controller connected to a data memory is stored in the controller coefficients for a transfer function of the controller, that the data memory has at least two memory areas in which different Sets of regulator coefficients are stored, that the control loop by means of a mode switching device optionally or alternately with one of the data storage areas is connectable that the stored in the respective data storage area Regulator coefficient set is used in the scheme, and that with the operating mode switching device a device for determining the operating state of the adjusting device and / or the reciprocating internal combustion engine is connected such that the in the regulation in each case applicable regulator coefficient set of the operating state is dependent.
  • this makes it possible for different operating situations of Adjustment device and / or the internal combustion engine the regulator with different Regulator coefficients to operate the transfer function of the controller to the respective Adapt operating situation and thus each to achieve the highest possible quality control.
  • a non-linear regulator can be compared to a controller with fixed Controller coefficients Disturbances in a controlled, to be influenced with the actuator Signal compensated faster and largely avoiding overshoot become.
  • the size (s) by which the controller coefficients are changed can Be measured variables or from these via suitable algorithms including system parameters, such as. an electrical resistance, a temperature coefficient, etc. be derived.
  • the structure of the control loop is switchable.
  • the controller can then even better in different operating situations be adapted to the adjusting device and / or the internal combustion engine.
  • the first mode preferably during the starting phase of the internal combustion engine for use when a measurement signal for crankshaft speed is not yet present or even with relatively large disturbances is afflicted.
  • the speed of the engine reaches a preset limit exceeds and thus the start phase is completed, is switched to the second mode, to control the angle of rotation.
  • control loop with the help of the operating mode switching device switchable between a third and a fourth operating mode, wherein the control loop in the third mode as a multipoint controller and in the fourth mode is designed to output a continuous control signal.
  • the adjusting device to an adjusting, which is designed as a three-shaft gear with a crankshaft fixed drive shaft, a camshaft fixed output shaft and an adjusting shaft, wherein an adjusting motor is provided as an actuator, which is in driving connection with the adjusting shaft.
  • the adjusting motor can be an EC motor.
  • the rotational speed ⁇ Cnk of the crankshaft and the rotor rotational speed ⁇ Em of the adjusting motor are preferably measured with the aid of sensors.
  • a desired value ⁇ Em, Tgt ( ⁇ Cnk -i g ⁇ Tgt ) / 2 for the rotor speed ⁇ Em, Tgt of the variable displacement motor is calculated with the aid of a signal processing device.
  • the rotational speed ⁇ Cnk of the crankshaft is expediently measured with the aid of an inductive sensor which detects the passage of the teeth of a toothed ring arranged on the crankshaft, for example on a flywheel.
  • the rotor speed ⁇ Em of the variable displacement motor is preferably measured by means of magnetic field sensors arranged on the stator of the EC motor, which detects the passage of magnetic segments which are arranged on the circumference of the permanent magnet rotor of the EC motor.
  • the device for determining the operating state at least one Input for a temperature measurement signal of the internal combustion engine and / or the variable displacement motor has, and if the device for determining the operating state is designed such that the governor coefficient set used in the regulation is: This measurement signal (these measurement signals) is dependent.
  • This measurement signal (these measurement signals) is dependent.
  • the temperature of the internal combustion engine can for example, measured with a motor oil thermometer and / or a cooling water thermometer become.
  • the device for detection of the operating state, at least one input for a measurement signal and / or a setpoint signal for the angle of rotation between the camshaft and crankshaft, the device for determining the operating state is designed such that in the control respectively Regulator coefficient set used by this signal (these signals) and / or the temporal change of this signal (these signals) is dependent.
  • the controller coefficients in the area of the stops can then set the controller coefficients in the area of the stops be that the scheme responds relatively slowly to a control deviation, so that Overshoot and thus the risk of damage to a stop safely avoided becomes. In places where there is sufficient clearance to the stops On the other hand, the controller coefficients can be set to control deviations be compensated as quickly as possible.
  • the device for determining the operating state may also have at least one input for a the rotor speed of the variable displacement motor, the camshaft speed and / or the crankshaft speed having representative signal, wherein the means for determining of the operating state is designed such that in the control respectively for use coming regulator coefficient set is dependent on this signal (these signals).
  • Each of two of these measurement signals such as the rotor speed and the crankshaft speed, as well as the known stationary gear ratio of the variable, the angle of rotation (Phase angle) between the camshaft and crankshaft and it determines the Reglerkostoryen be adjusted depending on the angle of rotation.
  • the device for determining the operating state a memory for temporarily storing at least one of the controller determined at an earlier time Value of a manipulated variable for the adjusting motor, and if the means for Determining the operating state is designed such that in the control respectively Regulator coefficient set used depends on this value (these values) is.
  • the means for Determining the operating state is designed such that in the control respectively Regulator coefficient set used depends on this value (these values) is.
  • the control circuit has at least one Limiting device, in particular for the winding current and / or the winding voltage the adjusting motor, wherein in the data memory storage locations are provided in which limit values for the limiting device (s) are stored, and that the limiting device using the operating mode switching device optional or alternately is connectable to one of the memory locations that the at least one, in the relevant Storage space respectively stored limit at the limitation to the application comes.
  • the limit values for limiting device (s) can thus depend on the Operating state of the adjusting and / or the reciprocating internal combustion engine set become.
  • the limits for the Winding current and / or the winding voltage and thus the power of the adjusting motor be chosen smaller in amount, as in places that are further away from the attacks are, so even if a possible measurement error of an input signal of the controller Damage to the attacks is safely avoided.
  • control loop at least one with at least one pilot control device connected input terminal for a pilot signal, and when Preferably, an input terminal for a speed of the drive shaft of the variable transmission representative pilot signal, an input terminal for a mean load torque the adjusting motor representative pilot signal and / or an input terminal is provided for a pilot signal, the one by the rotation of the permanent magnetic Rotor in a winding of Verstellmotors induced electrical voltage (EMK) represents.
  • EK Verstellmotors induced electrical voltage
  • the data memory has at least two memory areas in which different sets of pilot coefficients for the pilot control (s) stored are, wherein the pilot control device (s) by means of a mode switching means optionally or alternately connectable to one of these data storage areas is (are), that the input tax coefficient set stored in the respective data storage area is used in the generation of the at least one pilot signal.
  • the transfer function (s) of the feedforward control (s) can also be adapted to different Operating conditions of the adjusting device and / or the internal combustion engine be adapted, which allows an even better control quality.
  • An adjusting device for the rotational angle position of the camshaft relative to the crankshaft of a in the drawing, not shown reciprocating internal combustion engine has an adjusting mechanism on, as a three-shaft gearbox with a crankshaft-fixed drive shaft, a camshaft-fixed output shaft and an adjusting shaft is formed.
  • the adjusting mechanism may be a planetary gear, preferably a planetary gear.
  • the drive shaft is rotatably connected to a camshaft gear 1, which in in itself known manner via a chain or a toothed belt with a on the crankshaft of the Internal combustion engine rotatably arranged crankshaft gear in drive connection stands.
  • the output shaft is rotatably connected to the camshaft 2, which in Fig. 1 only partially is shown.
  • the adjusting is rotatably connected to an actuator, in Fig. 1 at the rear side of the adjusting device is arranged.
  • Actuator is an adjustment motor (EC motor) provided, which is integrated in the hub of the camshaft gear 1.
  • the Adjustment device stops on, by a fixedly connected to the drive shaft stop element 3 and counter-stop elements 4 are formed.
  • the counter-stop elements 4 are firmly connected to the camshaft 2 and act in the use position with the stop element 3 together.
  • Fig. 2 schematically illustrated Connected control circuit 5, which has two cascaded controller, namely a speed controller 6 and an upstream of this phase controller. 7
  • An input terminal of the phase controller 7 is connected to an output terminal 8 of a first device 9 for determining a control deviation from a setpoint signal ⁇ Tgt and an actual value signal ⁇ for the displacement angle of the camshaft 2 relative to the crankshaft.
  • the phase controller 7 has two signal processing devices 10, 11 which are each connected with their input to the output terminal 7 of the device 9 for determining a control deviation.
  • a first signal processing device 10 has a first transfer function with first regulator coefficients K 1 and a second signal processing device 11 has a second transfer function with second regulator coefficients K 2 .
  • An output of the first signal processing device 10 is connected to a first input of a first summation device 13 and an output of the second signal processing device 11 is connected via a first integration device 12 to a second input of the first summation device 13.
  • An output of the first summation device 13 is connected to a first input of a second summation device 14.
  • An input connection 15 for a crankshaft speed signal ⁇ Cnk is connected via a first pilot control device 16 to a second input of the second summation device 14.
  • the first pilot control device 16 has a first pilot control transfer function with first pilot coefficients V 1 .
  • An output of the second summation device 14 is connected via a first limiting device 17, which limits the output signal to a predetermined value range, to an output connection for a speed setpoint signal .omega.Tgt for the variable displacement motor .
  • the speed setpoint signal ⁇ Tgt is applied to a first input of a second device 18 for determining a control deviation from the speed setpoint signal ⁇ Tgt and an actual value signal ⁇ Em for the speed of the variable displacement motor.
  • the speed controller 6 has two signal processing devices 19, 20, which are each connected at their input to an output terminal 21 of the second device 18 for determining the control deviation.
  • a third signal processing device 19 has a third transfer function with third regulator coefficients K 3 and a fourth second signal processing device 11 has a fourth transfer function with fourth regulator coefficients K 4 .
  • An output of the third signal processing device 19 is connected to a first input of a third summation device 22 and an output of the fourth signal processing device 20 is connected via a second integration device 23 to a second input of the third summation device 22.
  • An output of the third summation device 22 is connected to a first input of a fourth summation device 24.
  • An input connection 25 for an adjusting motor load signal M Load is connected via a second pilot control device 26 to a second input of the fourth summation device 24.
  • the second pilot control device 26 has a second pilot control transfer function with second pilot coefficients V 2 .
  • An output of the fourth summation device 24 is connected via a second limiting device 27, which serves to limit the to be output to the adjusting winding voltage U A to a predetermined range of values, connected to an input terminal of a drive means not shown in the drawing for the adjusting motor.
  • FIG. 2 it can be seen that the speed controller 6 and the phase controller 7 are connected via an operating mode switching device 28 to a data memory 29 which has a plurality of data storage areas, in each of which a set of regulator coefficients is stored, each having first controller coefficients K 1 , second regulator coefficients K 2 , third regulator coefficients K 3 and fourth regulator coefficients K 4 .
  • a data memory 29 also a plurality of data storage areas are provided, in each of which a set of precontrol coefficients is stored, each comprising the first precontrol coefficients V 1 and second precontrol coefficients V 2 .
  • the speed controller 6 and the phase controller 7 are using the operating mode switching device 28 optionally or alternately connectable to one of the data storage areas, that the regulator coefficient set stored in the respective data storage area in the scheme and / or stored in the respective data storage area respectively Precontrol coefficient set is used (come) in the pre-control.
  • a device 30 for determining the operating state of the adjusting device and the reciprocating internal combustion engine connected such that in the control each applicable Reglerkostoryensatz and / or the pilot control each applicable input tax coefficient rate depends on the operating state is.
  • the device 30 for determining the operating state has several inputs that with Sensors for measuring the crankshaft speed, the oil temperature of the internal combustion engine, the speed of the adjusting motor, an output of the second limiting means 27 and connected to an output terminal of an engine controller for the internal combustion engine a signal for an operating mode (engine start / stop, normal running, emergency) of the internal combustion engine is applied.
  • the device 30 for determining the operating state has a Comparison device on which the signals applied to the inputs with predetermined Value ranges compares. Depending on the results of these comparisons, will determines an operating state which determines the selection of the respective controller and control coefficient sets.
  • the operating mode switching device 28 also allows a changeover of the structure of the control loop.
  • the regulator coefficients K 1 , K 2 and the precontrol coefficients V 1 have the value zero, while the regulator coefficients K 3 , K 4 and the precontrol coefficients V 2 are not equal to zero.
  • the control circuit 5 then controls only the rotor speed of the adjusting motor. This operating mode is preferably used during the starting phase of the internal combustion engine.
  • a second operating mode of the control loop In a second operating mode of the control loop, all the regulator coefficients K 1 , K 2 , K 3 , K 4 and pilot control coefficients V 1 , V 2 are not equal to zero, so that the control circuit 5 then controls the angle of rotation between the camshaft 2 and the crankshaft and the rotor speed.
  • the second operating mode is used when the speed of the internal combustion engine exceeds a predetermined minimum value.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Output Control And Ontrol Of Special Type Engine (AREA)
  • Valve Device For Special Equipments (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
EP05011059.2A 2004-06-09 2005-05-21 Déphaseur d'arbre à cames Active EP1605140B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004028095 2004-06-09
DE102004028095 2004-06-09

Publications (3)

Publication Number Publication Date
EP1605140A2 true EP1605140A2 (fr) 2005-12-14
EP1605140A3 EP1605140A3 (fr) 2009-04-22
EP1605140B1 EP1605140B1 (fr) 2016-11-02

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP05011059.2A Active EP1605140B1 (fr) 2004-06-09 2005-05-21 Déphaseur d'arbre à cames

Country Status (4)

Country Link
US (1) US7222593B2 (fr)
EP (1) EP1605140B1 (fr)
JP (1) JP2005351275A (fr)
KR (1) KR101159319B1 (fr)

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KR20010070083A (ko) * 2000-01-06 2001-07-25 정우협 부항 침대
KR20020010275A (ko) * 2000-07-28 2002-02-04 정우협 종합 한방 치료기를 구비한 침대 및 침대 조절기
KR20020010276A (ko) * 2000-07-28 2002-02-04 정우협 종합 한방 치료기를 구비한 침대
CN101035967B (zh) * 2004-10-06 2010-06-09 谢夫勒两合公司 用于调整活塞式内燃机凸轮轴相对于曲轴的转角位置的方法
EP1802851B1 (fr) * 2004-10-20 2008-02-27 Schaeffler KG Procede pour regler la position d'angle de rotation de l'arbre a cames d'un moteur a combustion interne a piston alternatif, par rapport au vilebrequin
JP4948831B2 (ja) * 2005-12-13 2012-06-06 ヤマハ発動機株式会社 可変動弁装置ならびにそれを備えるエンジンシステムおよび乗り物
DE102005059575B4 (de) * 2005-12-14 2022-03-17 Robert Bosch Gmbh Verfahren zum Betreiben einer Verbrennungskraftmaschine
DE102006017232A1 (de) * 2006-04-12 2007-10-25 Schaeffler Kg Synchronisationsvorrichtung für einen Motor
US20150033906A1 (en) * 2013-08-01 2015-02-05 Delphi Technologies, Inc. Axially compact electrically driven camshaft phaser

Citations (1)

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Publication number Priority date Publication date Assignee Title
DE4408425A1 (de) 1993-06-16 1994-12-22 Bosch Gmbh Robert Verfahren und Vorrichtung zum Einregeln der Winkellage einer Nockenwelle

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JPH0754620A (ja) * 1993-06-16 1995-02-28 Robert Bosch Gmbh カム軸の角度位置を調節する方法と装置
US5570621A (en) * 1994-10-07 1996-11-05 General Motors Corporation Adaptive control for hydraulic systems
JP3068806B2 (ja) * 1997-12-15 2000-07-24 三菱電機株式会社 内燃機関のバルブタイミング制御装置
DE59905327D1 (de) * 1998-02-27 2003-06-05 Siemens Ag Einrichtung zum einstellen des bewegungsverlaufs der gaswechselventile einer brennkraftmaschine
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Publication number Priority date Publication date Assignee Title
DE4408425A1 (de) 1993-06-16 1994-12-22 Bosch Gmbh Robert Verfahren und Vorrichtung zum Einregeln der Winkellage einer Nockenwelle

Also Published As

Publication number Publication date
US20050274338A1 (en) 2005-12-15
EP1605140B1 (fr) 2016-11-02
JP2005351275A (ja) 2005-12-22
EP1605140A3 (fr) 2009-04-22
KR101159319B1 (ko) 2012-06-22
KR20060046365A (ko) 2006-05-17
US7222593B2 (en) 2007-05-29

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