WO2006053513A1 - Verfahren zum einstellen der drehwinkellage der nockenwelle einer hubkolben-verbrennungsmaschine relativ zur kurbelwelle - Google Patents
Verfahren zum einstellen der drehwinkellage der nockenwelle einer hubkolben-verbrennungsmaschine relativ zur kurbelwelle Download PDFInfo
- Publication number
- WO2006053513A1 WO2006053513A1 PCT/DE2005/001903 DE2005001903W WO2006053513A1 WO 2006053513 A1 WO2006053513 A1 WO 2006053513A1 DE 2005001903 W DE2005001903 W DE 2005001903W WO 2006053513 A1 WO2006053513 A1 WO 2006053513A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- crankshaft
- camshaft
- signal
- phase angle
- adjusting
- Prior art date
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
- 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
- F01L1/34—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
- F01L2303/00—Manufacturing of components used in valve arrangements
- F01L2303/02—Initial camshaft settings
-
- 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
- F01L2800/14—Determining a position, e.g. phase or 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
- F01L2820/00—Details on specific features characterising valve gear arrangements
- F01L2820/01—Absolute values
Definitions
- the invention relates to a method for adjusting the rotational angle position of the camshaft of a reciprocating internal combustion engine relative to the crankshaft, wherein the crankshaft via an adjusting gear with the camshaft is in drive connection, as a three-shaft gearbox with a crankshaft fixed drive shaft, a camshaft fixed output shaft and one with an electric motor in drive connection is formed, wherein the crankshaft rotated and a crankshaft sensor signal is detected, which changes its state at a Dreh ⁇ angle change of the crankshaft, wherein the adjusting shaft is rotated and a Verstellwellen sensor signal is detected, which in a change in the rotational position of Ver ⁇ adjusting shaft changes state, wherein a phase angle signal, starting from a reference rotational angle associated with a reference rotational position, upon a change in state of the crankshaft sensor signal and / or the Verstellwellen sensor signal nachgef wherein the phase angle signal is controlled to a provided desired phase angle signal, and wherein the ignition of the internal combustion engine is switched off
- the electric motor is controlled in such a way that the deviation is reduced. So that the motor function can be maintained even in the event of a malfunction of the adjusting device, the relative position is limited to a maximum adjustment angle by means of a stop element connected to the drive shaft, which interacts with a camshaft-fixed counterstop element.
- a stop element connected to the drive shaft, which interacts with a camshaft-fixed counterstop element.
- This object is achieved in a method of the type mentioned fact that with the ignition off and / or after falling below the minimum speed value of the crankshaft of the electric motor - while the crankshaft and / or camshaft is still rotating - is energized so that the camshaft in Direction to a predetermined Be ⁇ karsposition rotated relative to the crankshaft.
- the camshaft is then arranged at the start of the combustion engine at the start of the starting process at or in the vicinity of the reference position relative to the crankshaft.
- the camshaft can thereby be positioned early at the starting position of the combustion machine at the reference position in order to detect it with the aid of the sensor.
- the phase angle signal can then be set at the reference position to one of these associated reference value and then regulated to the provided desired phase angle signal.
- the rotational angle position can be set relatively accurately to the desired phase angle signal shortly after the start of the internal combustion engine, which allows low emissions during the starting process and low fuel consumption of the internal combustion engine.
- the energization of the electric motor for maintaining the reference position is changed to a holding current during detection of the reference position when the ignition is switched off and / or after falling below the minimum speed value. If the reference position should already be set before the camshaft and / or crankshaft of the internal combustion engine have come to a standstill, is achieved by the Garbestromung that the phase position does not run out of the reference position due to the parts still in the movement of the combustion engine.
- the Haltebestromung is terminated when the crankshaft and the camshaft have come to a standstill or the crankshaft reaches the minimum speed value again.
- the holding current is switched off immediately in order to protect the electric motor on the one hand from overloading and on the other hand to scho ⁇ the battery of the internal combustion engine. If the crankshaft reaches the minimum speed value again, after the crankshaft speed has previously been lowered below the minimum speed value by applying a corresponding braking torque to the crankshaft, the holding energization is likewise ended in order to regulate the phase position again to the desiredphasing angle signal.
- a stop element is connected to the drive shaft and a counter stop element is connected to the cam shaft, the stop element coming into abutment against the reference stop on the counter stop element, and the change rate of the phase angle signal being measured and the reference position being reached a decrease in the rate of change in magnitude is detected.
- the rate of change of the phase angle signal is preferably regulated to a predetermined value.
- a torque is applied to the adjusting shaft in the holding energization with the aid of the electric motor, which position the stop element against the counter stop element.
- the stop element is then prestressed against the counter-stop element, which permits exact positioning of the camshaft and crankshaft at the reference position.
- the Haltebestromung is preferably carried out with a predetermined current.
- control of the phase angle signal is continued after switching off the ignition and / or after falling below the minimum speed value, as long as the control device generates the desired phase angle signal and the rotational speed of the crankshaft exceeds a predetermined limit, and that thereafter the camshaft is rotated by means of the electric motor in the direction of the reference position relative to the crankshaft.
- the control device generates the desired phase angle signal and the rotational speed of the crankshaft exceeds a predetermined limit
- a reference mark is generated when a predetermined reference rotational angular position of the crankshaft in the crankshaft sensor signal is reached, wherein when the reference mark occurs
- Rotation angle measuring signal is set to a value associated with the reference angular position, wherein the rotational angle measurement signal is tracked upon occurrence of a change in state of the Kurbel ⁇ wave sensor signal, wherein a position measurement signal is set to a Heilmesssignal- starting value, wherein at each occurrence of a change in state of the Verstellwellen- sensor signal the Lümesssignal is tracked, wherein upon reaching a vorgegebe ⁇ NEN angular position of the camshaft, a camshaft reference signal is generated, wherein the respectively present upon the occurrence of the camshaft reference signal measured values of the rotational angle and the position measurement signal and determines a value for the phase angle signal with these measured values and
- FIG. 1 is a schematic partial view of a reciprocating internal combustion engine having a device for adjusting the phase angle of the camshaft relative to the crankshaft,
- 3 is a graphical representation of a state signal for the control of the phase angle of the camshaft relative to the crankshaft, wherein the abscissa represents the time in seconds and the ordinate the state signal, 4 shows a graphic representation of a switch-on signal for the ignition of the combustion machine, wherein the time in seconds and the ordinate the switch-on signal are plotted on the abscissa,
- phase angle shows a graphic representation of the actual phase angle (hatched line) and of a setpoint signal (unshaded line) for the phase angle, the time in seconds being plotted on the abscissa, and the phase angle being plotted in degrees on the abscissa, and
- Fig. 7 is a graphical representation of the operating current of an electric motor, wherein the abscissa represents the time in seconds and the ordinate the operating current in amperes.
- An adjusting device for the rotational angle position of the camshaft 3 relative to the crankshaft 5 of a reciprocating internal combustion engine has, according to FIG. 1, an adjusting mechanism 1 which is designed as a three-shaft transmission with a crankshaft-fixed drive shaft, a camshaft-fixed output shaft and an adjusting shaft.
- the adjusting mechanism may be a planetary gear, preferably a planetary gear.
- the drive shaft is rotatably connected to a camshaft gear 2, which is in a conventional manner via a chain or a toothed belt with a rotatably mounted on the crankshaft 5 of the internal combustion engine crankshaft gear in drive connection.
- the output shaft is rotatably connected to the camshaft 3.
- the adjusting shaft is connected to the rotor of an electric motor 4 at least.
- the adjusting gear 1 is integrated in the hub of the camshaft gear 2.
- the adjusting device has a fixed to the drive shaft of the Ver ⁇ adjusting gear 1 stop element 6 and a counter-stop element 7 which is rotatably connected to the camshaft 3 and in use position in a stop ⁇ position comes to the stop element 4 to the plant.
- a magnetic detector 8 which detects the tooth flanks of a consisting of a magnetically conductive material existing, arranged on the crankshaft 5 ring gear 9.
- One of the tooth gaps or teeth of the toothed rim 9 has a greater width than the other tooth gaps or teeth and marks a reference rotational angle position of the crankshaft 5.
- a reference mark is generated in the sensor signal of the magnetic detector 8, which is also referred to below as the crankshaft sensor signal. This is achieved in that the crankshaft sprocket 9 at the reference rotational angle position has a larger gap than between its other teeth.
- a rotational angle measuring signal is set to a value assigned to the reference rotational position. Thereafter, the rotational angle measuring signal is tracked with each change of the state of the crankshaft sensor signal by an interrupt in an operating program of a control device, in which the rotational angle measurement signal is incremented.
- an EC motor which has a rotor, on the circumference of a series of alternately magnetized magnetized in opposite directions magnetized segments is arranged, which interact magnetically via an air gap with teeth of a stator.
- the teeth are wound with a winding, which is energized via a An ⁇ control device.
- the position of the magnet segments relative to the stator and thus the Verstellwellenen loftwinkel is detected by means of a measuring device having a plurality of magnetic field sensors 10 which are arranged offset to one another in the circumferential direction of the stator such that per revolution of the rotor, a number of magnetic segment sensor Combinations will go through.
- the magnetic field sensors 10 generate a digital sensor signal that passes through an order of sensor signal states that occur at a mechanical full rotation. Hung of the rotor repeated as often as the measuring device magnetic field sensors 10 has. This sensor signal is also referred to below as Verstellwellen sensor signal.
- a Hall sensor 11 As a reference signal generator for the camshaft rotation angle, a Hall sensor 11 is provided, which cooperates with a arranged on the camshaft 3 trigger wheel 12. When Er ⁇ reaching a predetermined angular position of the camshaft 3, a flank is generated in a camshaft reference signal. If the hall sensor 11 detects the edge, an interrupt is triggered in an operating program of a control unit, in which the crankshaft rotation angle and the adjustment shaft rotation angle for the control of the phase angle are temporarily stored for further processing. This interrupt will also be referred to as a camshaft interrupt below. Finally, in the operating program of the control unit, a time-slice-controlled interrupt is also triggered, which is referred to below as a cyclical interrupt.
- ⁇ c nk, ⁇ c a m is the angle of rotation of the crankshaft 5 from the last detected crankshaft reference mark to the last camshaft interrupt
- the phase angle signal is thus, starting from a reference rotational angle value, tracked in a change in state of the crankshaft sensor signal and / or the Verstellwellen- sensor signal.
- ⁇ Ref is the absolute phase angle at the last camshaft interrupt, during which the reference angular position was reliably detected
- phase angle signal phase velocity
- the electric motor 4 pulse width modulation with a predetermined pulse-pause ratio during the stop travel.
- the phase angle value, the camshaft 3 has at the stop position relative to the crankshaft 5, is known and stored for example in the control device. This phase angle is also referred to below as the reference position.
- the power supply to the electric motor 4 is stopped to protect it from overload.
- the electric motor 4 is energized in such a way that the stop element 6 is positioned against the counter-stop element 7.
- crankshaft In the method for adjusting the rotational angle position of the camshaft 3 of a reciprocating internal combustion engine relative to the crankshaft 5, therefore, the crankshaft is connected to the camshaft 3 via a three-shaft transmission.
- This has a crankshaft fixed drive shaft, a camshaft-fixed output shaft and driven by an electric motor 4 Ver ⁇ adjusting shaft.
- a crankshaft sensor signal is detected, which changes its state when the rotational angle of the crankshaft 5 changes.
- a Verstellwellen sensor signal is detected, which changes its state in a change in the rotational position of the adjusting.
- a change in state of the crankshaft Sensor signal and / or the Verstellwellen sensor signal tracked a phase angle signal and regulated to a provided desired phase angle signal. Then, the ignition of the internal combustion engine is switched off and / or the speed of the crankshaft 5 is lowered below a predetermined minimum speed value. While the crankshaft 5 and / or camshaft 3 is still rotating, the electric motor 4 is energized in such a way that the camshaft 3 rotates in the direction of a predetermined reference position relative to the crankshaft 5. The next time the internal combustion engine is started, the camshaft 3 and crankshaft 5 are positioned corresponding to the reference position and this is detected by means of a sensor. The phase angle signal is set to a reference value and then regulated to the desired phase angle signal.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
- Valve Device For Special Equipments (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
Abstract
Description
Claims
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE502005005146T DE502005005146D1 (de) | 2004-11-16 | 2005-10-25 | Verfahren zum einstellen der drehwinkellage der nockenwelle einer hubkolben-verbrennungsmaschine relativ zur kurbelwelle |
CN2005800387935A CN101124388B (zh) | 2004-11-16 | 2005-10-25 | 往复活塞式内燃机凸轮轴相对于曲轴的转角位置的调整方法 |
DE112005003407T DE112005003407A5 (de) | 2004-11-16 | 2005-10-25 | Verfahren zum Einstellen der Drehwinkellage der Nockenwelle einer Hubkolben-Verbrennungsmaschine relativ zur Kurbelwelle |
JP2007540484A JP4575455B2 (ja) | 2004-11-16 | 2005-10-25 | 往復動内燃機関のカム軸のクランク軸に対する角度位置を調整する方法 |
US11/719,366 US7954466B2 (en) | 2004-11-16 | 2005-10-25 | Process for adjusting the angular position of the camshaft of a reciprocating internal combustion engine relative to the crankshaft |
EP05803851A EP1812691B1 (de) | 2004-11-16 | 2005-10-25 | Verfahren zum einstellen der drehwinkellage der nockenwelle einer hubkolben-verbrennungsmaschine relativ zur kurbelwelle |
KR1020077010056A KR101227324B1 (ko) | 2004-11-16 | 2005-10-25 | 크랭크 샤프트에 대한 왕복 피스톤 내연기관의 캠 샤프트의회전각 위치를 조정하기 위한 방법 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102004055164.2 | 2004-11-16 | ||
DE102004055164 | 2004-11-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2006053513A1 true WO2006053513A1 (de) | 2006-05-26 |
Family
ID=35708667
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE2005/001903 WO2006053513A1 (de) | 2004-11-16 | 2005-10-25 | Verfahren zum einstellen der drehwinkellage der nockenwelle einer hubkolben-verbrennungsmaschine relativ zur kurbelwelle |
Country Status (7)
Country | Link |
---|---|
US (1) | US7954466B2 (de) |
EP (1) | EP1812691B1 (de) |
JP (1) | JP4575455B2 (de) |
KR (1) | KR101227324B1 (de) |
CN (1) | CN101124388B (de) |
DE (2) | DE502005005146D1 (de) |
WO (1) | WO2006053513A1 (de) |
Families Citing this family (18)
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DE102005035408A1 (de) * | 2005-07-28 | 2007-02-01 | Robert Bosch Gmbh | Verfahren zur Ermittlung zylinderindividueller Drehkenngrößen einer Welle eines Verbrennungsmotors |
JP4989509B2 (ja) * | 2008-02-19 | 2012-08-01 | 日立オートモティブシステムズ株式会社 | 内燃機関のバルブタイミング制御装置 |
DE102012213539A1 (de) * | 2012-08-01 | 2014-02-06 | Robert Bosch Gmbh | Verfahren zur Bestimmung einer Phasenlage einer verstellbaren Nockenwelle |
US9046447B2 (en) * | 2012-12-27 | 2015-06-02 | Hyundai Motor Company | Crank angle detection apparatus |
CN103397920A (zh) * | 2013-07-02 | 2013-11-20 | 广西玉柴机器股份有限公司 | 柴油机凸轮轴信号采集系统 |
US9488498B2 (en) * | 2014-03-21 | 2016-11-08 | Infineon Technologies Ag | Cam shaft rotation sensor |
US11125768B2 (en) | 2014-06-17 | 2021-09-21 | Infineon Technologies Ag | Angle based speed sensor device |
US10222234B2 (en) | 2014-06-17 | 2019-03-05 | Infineon Technologies Ag | Rotation sensor |
CN104111174B (zh) * | 2014-08-06 | 2016-08-17 | 北京理工大学 | 基于车用发动机相位的转速模拟装置 |
GB2534249B (en) * | 2015-07-15 | 2017-07-26 | Ford Global Tech Llc | An engine trigger wheel |
KR101723885B1 (ko) | 2015-12-15 | 2017-04-06 | 엔팩토리주식회사 | 창 외면 부착형 센서 네트워크 기반의 IoT 홈케어 시스템 |
CN107899649A (zh) * | 2017-12-19 | 2018-04-13 | 衡阳金扬冶金矿山设备有限公司 | 圆锥破碎机排料口自动标定系统及其自动标定方法 |
CN108444722B (zh) * | 2018-04-04 | 2024-03-29 | 中国重汽集团济南动力有限公司 | 一种电控发动机同步检测装置及方法 |
DE102019118689A1 (de) * | 2019-07-10 | 2021-01-14 | Schaeffler Technologies AG & Co. KG | Verbrennungsmotor und Verfahren zum Betrieb eines elektromechanischen Nockenwellenverstellers |
CN112228263B (zh) * | 2019-12-20 | 2022-05-17 | 株式会社电装 | 怠速启停系统和怠速启停的控制方法 |
US11643950B2 (en) | 2021-05-13 | 2023-05-09 | Borgwarner Inc. | Method for controlling camshaft orientation for improved engine re-starting of an engine having start-stop capability |
CN115387921B (zh) * | 2021-05-25 | 2024-10-11 | 上海汽车集团股份有限公司 | 凸轮轴信号轮最佳物理角度的确定方法及四冲程发动机 |
CN114252186A (zh) * | 2021-12-09 | 2022-03-29 | 中国船舶重工集团公司第七0三研究所 | 一种基于时间戳的相对扭转角测量装置 |
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2005
- 2005-10-25 DE DE502005005146T patent/DE502005005146D1/de active Active
- 2005-10-25 EP EP05803851A patent/EP1812691B1/de not_active Not-in-force
- 2005-10-25 JP JP2007540484A patent/JP4575455B2/ja not_active Expired - Fee Related
- 2005-10-25 DE DE112005003407T patent/DE112005003407A5/de not_active Withdrawn
- 2005-10-25 CN CN2005800387935A patent/CN101124388B/zh not_active Expired - Fee Related
- 2005-10-25 WO PCT/DE2005/001903 patent/WO2006053513A1/de active Application Filing
- 2005-10-25 KR KR1020077010056A patent/KR101227324B1/ko active IP Right Grant
- 2005-10-25 US US11/719,366 patent/US7954466B2/en not_active Expired - Fee Related
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DE10236507A1 (de) * | 2002-08-09 | 2004-02-19 | Aft Atlas Fahrzeugtechnik Gmbh | Steuereinrichtung zum Verstellen des Drehwinkels einer Nockenwelle |
WO2005012698A1 (de) * | 2003-07-09 | 2005-02-10 | Ina-Schaeffler Kg | Vorrichtung und verfahren zum bestimmen des verdrehwinkels einer nockenwelle gegenüber der kurbelwelle eines verbrennungsmotors |
EP1607589A1 (de) * | 2004-06-09 | 2005-12-21 | LuK Lamellen und Kupplungsbau Beteiligungs KG | Verstellvorrichtung zum Verstellen der relativen Drehvinkellage einer Nockenwelle gegen der einer Kurbelwelle einer Brennkraftmaschine |
Also Published As
Publication number | Publication date |
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US20090183701A1 (en) | 2009-07-23 |
EP1812691A1 (de) | 2007-08-01 |
KR101227324B1 (ko) | 2013-01-28 |
US7954466B2 (en) | 2011-06-07 |
EP1812691B1 (de) | 2008-08-20 |
DE112005003407A5 (de) | 2007-10-25 |
DE502005005146D1 (de) | 2008-10-02 |
JP2008520875A (ja) | 2008-06-19 |
CN101124388B (zh) | 2011-08-10 |
KR20070083934A (ko) | 2007-08-24 |
CN101124388A (zh) | 2008-02-13 |
JP4575455B2 (ja) | 2010-11-04 |
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