EP1573177A1 - Vorrichtung zum verstellen der phasenlage zwischen nockenwelle und kurbelwelle - Google Patents
Vorrichtung zum verstellen der phasenlage zwischen nockenwelle und kurbelwelleInfo
- Publication number
- EP1573177A1 EP1573177A1 EP03776826A EP03776826A EP1573177A1 EP 1573177 A1 EP1573177 A1 EP 1573177A1 EP 03776826 A EP03776826 A EP 03776826A EP 03776826 A EP03776826 A EP 03776826A EP 1573177 A1 EP1573177 A1 EP 1573177A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- crankshaft
- camshaft
- phase position
- adjusting
- control
- 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
Links
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
- 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
- F01L2201/00—Electronic control systems; Apparatus or methods therefor
-
- 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
-
- 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
- F02D2041/1409—Introducing closed-loop corrections characterised by the control or regulation method using at least a proportional, integral or derivative controller
-
- 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
- F02D2041/1418—Several control loops, either as alternatives or simultaneous
- F02D2041/1419—Several control loops, either as alternatives or simultaneous the control loops being cascaded, i.e. being placed in series or nested
Definitions
- the invention relates to a device for adjusting the phase position between the camshaft and crankshaft according to the preamble of claim 1.
- the crankshaft drives one or more camshafts via a primary drive, which is designed, for example, as a toothed belt.
- a camshaft gear is attached to each camshaft, via which the primary drive drives the camshaft.
- the crankshaft rotation angle is translated at any time, with 720 ° crankshaft rotation angle ⁇ ⁇ being converted into 360 ° camshaft rotation angle ⁇ .
- the operating properties of an internal combustion engine can be optimized, in particular with regard to fuel consumption, exhaust gas emission and smooth running, if the system coupled via the primary drive can be changed between the camshaft and the crankshaft.
- DE 100 38 354 A1 discloses an arrangement for adjusting the angle of rotation relationship between the camshaft and the crankshaft by means of a swashplate mechanism.
- An additional drive works here a swash plate gear, which is arranged between the camshaft gear and the camshaft, additionally on the camshaft. This means that the camshaft can be adjusted relative to the crankshaft.
- the object of the invention is to show a simple and inexpensive adjusting device with which the phase position between the camshaft and crankshaft can be adjusted.
- the adjusting device is part of an electronic control circuit which automatically or indirectly sets the desired phase position directly or via another variable, the control circuit comprising the control device and the control system having a structure designed for this application.
- the advantage of the invention is that such an adjusting device with such an electronic control loop sets the desired value very quickly and exactly in the controlled system.
- the setpoint can be set even faster and more accurately with the adjusting device.
- Figure 1 Adjustment device with disturbance variable compensation.
- Figure 3 Adjustment device with optimized state control.
- FIG. 1 shows an adjustment device which has a position control 1 with disturbance variable compensation 2.
- the relative speed of the electric motor corresponds to the speed of the chain or belt pulley that couples the crankshaft to the camshaft.
- the relative speed of the electric motor is greater or less than that of the chain wheel, depending on the direction of adjustment.
- the effect of the disturbance variable of the crankshaft speed z is not only recorded as an effect on the controlled variable, but is already used for pilot control of the actuator 3.
- the speed of the chain / belt pulley can be determined from the crankshaft speed.
- This speed z can be set in relation to a corresponding self-induction voltage VR in the electric motor.
- the setpoint w - in the exemplary embodiment the desired phase position - is entered into the controller 4.
- This setpoint w influences the electric motor of the actuator in the controlled system 3, e.g. a swash plate gear. This causes the speed of the chain or belt wheel to change, as a result of which the phase position is changed.
- the actual value x of the phase position and / or the speed of the chain or belt pulley is fed back. This feedback actual value determines a new setpoint for the controller. This new setpoint is then fed into the controller.
- the disturbance variable compensation 2 is formed by additionally determining the self-induction voltage yz from the crankshaft speed z as a further manipulated variable for the electric motor of the actuator, which also determines the speed of the electric motor.
- Figure 2 shows an adjustment device with cascaded position control.
- the position control which has a position feedback, is subordinated to a speed control of the electric motor, the one Has angular velocity feedback.
- the speed or the angular speed of the electric motor can be recorded as a measurement variable or calculated indirectly via the trigger information from the camshaft and crankshaft.
- this speed control is subordinate to a control of the armature current, in which an additional compensation controller can further improve the dynamics.
- This regulation of the armature current or the measurement of the armature current can also take place via a measurement of the torque of the electric motor that drives the adjustment device.
- a set angle of rotation ⁇ s is specified, which describes the position or phase position between the camshaft and crankshaft.
- the speed or the angular velocity ⁇ s is specified for the electric motor.
- the angular velocity in turn is determined by the torque of the electric motor.
- This torque ML or the corresponding current is measured and fed back and compared there with the corresponding setpoint Ms. If the values do not match, adjustment is made accordingly.
- the superordinate actual value ⁇ of the angular velocity is also recorded and then fed back for comparison with its target value ⁇ s. If there is a discrepancy, the adjustment is made accordingly.
- the current phase position ⁇ is then determined, returned and adapted to the setpoint ⁇ s.
- Figure 3 shows an adjustment device with a state control.
- the dynamics of the control system are largely determined by means of the state control, since the states determining the dynamics are incorporated directly into the control. If the state to be determined cannot be measured directly, it can be calculated using a state observer or a state calibration.
- a time-dependent input value w (t) is fed into a pre-filter 5.
- the pre-filter generates an output value Uw (t) which, together with a value u (t) generated by a state controller 6, forms an input value u (t) for the state differential equation 7.
- the state differential equation 7 is supplied with the state value x (to) at the time to.
- the state differential equation 7 calculates the state x (t) from these values.
- This state can be measured directly or indirectly via a measuring device 8, whereby With this measured value, the state controller 6 can be influenced, which in turn influences the input value u (t) for the state differential equation 7.
- the state value x (t) can be supplied for further processing of an output equation 9, which then generates an output value y (t) for the controlled system 10 Generate controlled variable.
- the control device 11, which controls the controlled variable, is essentially formed by the measuring device 8 and the state controller 6. In the application example, the control device 11 also contains the prefilter 5.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Valve Device For Special Equipments (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10259134 | 2002-12-18 | ||
DE10259134A DE10259134A1 (de) | 2002-12-18 | 2002-12-18 | Vorrichtung zum Verstellen der Phasenlage zwischen Nockenwelle und Kurbelwelle |
PCT/DE2003/003620 WO2004057162A1 (de) | 2002-12-18 | 2003-10-31 | Vorrichtung zum verstellen der phasenlage zwischen nockenwelle und kurbelwelle |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1573177A1 true EP1573177A1 (de) | 2005-09-14 |
EP1573177B1 EP1573177B1 (de) | 2006-09-13 |
Family
ID=32519045
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03776826A Expired - Lifetime EP1573177B1 (de) | 2002-12-18 | 2003-10-31 | Vorrichtung zum verstellen der phasenlage zwischen nockenwelle und kurbelwelle |
Country Status (4)
Country | Link |
---|---|
US (1) | US20050229881A1 (de) |
EP (1) | EP1573177B1 (de) |
DE (2) | DE10259134A1 (de) |
WO (1) | WO2004057162A1 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10352851A1 (de) | 2003-11-10 | 2005-06-23 | Aft Atlas Fahrzeugtechnik Gmbh | Verdrehwinkelregelung |
DE102005015856A1 (de) | 2004-12-24 | 2006-07-13 | Daimlerchrysler Ag | Verfahren und Einrichtung zum Einstellen einer elektrodynamischen Bremse eines elektrischen Nockenwellenverstellers für eine Nockenwelle einer Brennkraftmaschine |
DE102014213253B4 (de) | 2014-07-08 | 2017-12-28 | Schaeffler Technologies AG & Co. KG | Verfahren zum Betrieb eines Nockenwellenverstellers und Regelvorrichtung für einen Nockenwellenversteller |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3930157A1 (de) * | 1989-09-09 | 1991-03-21 | Bosch Gmbh Robert | Einrichtung zur verstellung der drehwinkelzuordnung einer nockenwelle zu ihrem antriebselement |
DE4122391A1 (de) * | 1991-07-05 | 1993-01-07 | Bosch Gmbh Robert | Verfahren zum betrieb eines drehzahlregelbaren motors |
US5184578A (en) * | 1992-03-05 | 1993-02-09 | Borg-Warner Automotive Transmission & Engine Components Corporation | VCT system having robust closed loop control employing dual loop approach having hydraulic pilot stage with a PWM solenoid |
US5289805A (en) * | 1992-03-05 | 1994-03-01 | Borg-Warner Automotive Transmission & Engine Components Corporation | Self-calibrating variable camshaft timing system |
US5218935A (en) * | 1992-09-03 | 1993-06-15 | Borg-Warner Automotive Transmission & Engine Components Corporation | VCT system having closed loop control employing spool valve actuated by a stepper motor |
JP3733600B2 (ja) * | 1994-08-31 | 2006-01-11 | 株式会社デンソー | エンジンの弁動作タイミング調整装置 |
DE59913140D1 (de) * | 1998-09-09 | 2006-04-27 | Kuka Roboter Gmbh | Verfahren und Einrichtung zum Verbessern des dynamischen Verhaltens eines Roboters |
DE10038354C2 (de) * | 2000-08-05 | 2003-03-20 | Atlas Fahrzeugtechnik Gmbh | Steuereinrichtung zum Verstellen des Drehwinkels einer Nockenwelle |
US6373614B1 (en) * | 2000-08-31 | 2002-04-16 | Cambridge Research Instrumentation Inc. | High performance polarization controller and polarization sensor |
-
2002
- 2002-12-18 DE DE10259134A patent/DE10259134A1/de not_active Withdrawn
-
2003
- 2003-10-31 EP EP03776826A patent/EP1573177B1/de not_active Expired - Lifetime
- 2003-10-31 DE DE50305071T patent/DE50305071D1/de not_active Expired - Lifetime
- 2003-10-31 WO PCT/DE2003/003620 patent/WO2004057162A1/de active IP Right Grant
-
2005
- 2005-06-20 US US11/156,904 patent/US20050229881A1/en not_active Abandoned
Non-Patent Citations (1)
Title |
---|
See references of WO2004057162A1 * |
Also Published As
Publication number | Publication date |
---|---|
EP1573177B1 (de) | 2006-09-13 |
DE10259134A1 (de) | 2004-07-15 |
DE50305071D1 (de) | 2006-10-26 |
US20050229881A1 (en) | 2005-10-20 |
WO2004057162A1 (de) | 2004-07-08 |
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