EP1159513A1 - Ventilsteuerung für einen verbrennungsmotor - Google Patents
Ventilsteuerung für einen verbrennungsmotorInfo
- Publication number
- EP1159513A1 EP1159513A1 EP00988608A EP00988608A EP1159513A1 EP 1159513 A1 EP1159513 A1 EP 1159513A1 EP 00988608 A EP00988608 A EP 00988608A EP 00988608 A EP00988608 A EP 00988608A EP 1159513 A1 EP1159513 A1 EP 1159513A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- gas exchange
- opening
- exchange valve
- closing
- delay time
- 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
- F01L9/00—Valve-gear or valve arrangements actuated non-mechanically
- F01L9/10—Valve-gear or valve arrangements actuated non-mechanically by fluid means, e.g. hydraulic
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D13/00—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing
- F02D13/02—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing during engine operation
Definitions
- the invention relates to a method and a valve control for controlling a gas exchange valve for setting the output of an internal combustion engine by opening and closing the gas exchange valve, the opening and / or closing of the gas exchange valve taking place as a function of a delay in opening and / or closing the gas exchange valve,
- the object is achieved according to the invention by a method according to claim 1 and by a valve control according to claim 12.
- the power of an internal combustion engine is adjusted by opening and closing a gas exchange valve, the opening and / or closing of the gas exchange valve depending on a delay time when opening and / or closing the gas exchange valve, and the gas exchange valve determining the delay time for a predetermined adjustment time is adjusted and the opening and / or closing of the gas exchange valve is detected.
- a signal for opening the gas exchange valve is formed as a function of an opening delay time between the start of the signal for opening the gas exchange valve and the opening of the gas exchange valve, and the signal for opening the gas exchange valve is output for the predetermined adjustment time.
- Signal for closing the gas exchange valve depending on a closing delay time between the start of the signal for closing the gas exchange valve and the closing of the gas exchange valve formed and the signal for closing the gas exchange valve for a predetermined adjustment time output.
- the adjustment time is extended if no opening and / or closing of the gas exchange valve is detected.
- the adjustment time is extended until an opening and / or closing of the gas exchange valve is detected.
- the opening delay time and / or the closing delay time is determined as a function of the adjustment time when an opening and / or closing of the gas exchange valve is detected.
- the opening delay time and / or the closing delay time is set equal to the control time when an opening and / or closing of the gas exchange valve is detected.
- the opening delay time and / or the closing delay time for the gas exchange valve is determined independently of the opening delay time and / or the closing delay time of other gas exchange valves of the internal combustion engine.
- the opening delay time and / or the closing delay time for the gas exchange valve between operating phases of the internal combustion engine is determined.
- Gas exchange valve for determining the opening delay time and / or the closing delay time independently of an adjustment of the necessary due to the operation of the internal combustion engine Gas exchange valve adjusted.
- the opening and / or closing of the gas exchange valve is detected by structure-borne noise measurement, airborne noise measurement, air mass measurement, cylinder-specific air mass measurement, intake manifold pressure measurement and / or combustion chamber pressure measurement.
- FIG. 3 shows a signal for an outflow valve
- FIG. 4 shows a signal for an inflow valve
- Fig. 7 shows a total air mass flow over time.
- valve 1 shows a valve control 10 for controlling an inflow valve 3 and an outflow valve 4 for adjusting a gas exchange valve 1 of an internal combustion engine.
- the gas exchange valve 1 is arranged in a cylinder head 5.
- An opening 8 is opened or closed by means of the gas exchange valve 1 and thus an air mass flow m 1 is set through the opening 8 into a cylinder of the internal combustion engine.
- a pump 6 is also provided for pumping hydraulic fluid.
- the inflow or outflow of hydraulic fluid into a hydraulic actuator 2 is controlled by means of the inflow valve 3 and the outflow valve 4 and thus the gas exchange valve 1 is moved. If the inflow valve 3 is open and the outflow valve 4 is closed, hydraulic fluid flows into the hydraulic actuator 2 such that the valve moves in the direction z.
- the inflow valve 3 is closed and the outflow valve 4 is open, hydraulic fluid flows out in this way the hydraulic actuator 2 that the gas exchange valve 1 moves in the direction -z.
- a reservoir 7 for hydraulic fluid is provided for receiving hydraulic fluid flowing out through the outflow valve 4.
- the inflow valve 3 and the outflow valve 4 are controlled by the valve control 10 by signals s3 and s4.
- the valve control 10 is connected to a structure-borne noise sensor, airborne sound sensor, air mass sensor, intake manifold pressure sensor, cylinder-specific air mass sensors, intake manifold pressure sensors and / or combustion chamber pressure sensors, not shown.
- FIG. 2 shows a flowchart for determining the opening delay time of the gas exchange valve 1, which is implemented on the valve control 10 in an exemplary embodiment.
- Reference numeral 20 denotes the start of the process and reference symbol 32 the end of the process.
- a query 21 follows whether there is a so-called thrust. Thrust is understood to mean that the kinetic energy of a vehicle that can be driven by the internal combustion engine moves the internal combustion engine without fuel being burned in the internal combustion engine. If there is no thrust, the program is ended. If, on the other hand, there is thrust, an initialization step 22 follows. In the initialization step 22, it is determined for which ith gas exchange valve of the internal combustion engine the opening delay time is to be determined.
- Initialization step 22 is followed by a further query 23.
- Query 23 is used to query whether overrun is present and whether overrun operation (advantageously, for example, with closed gas exchange valves) is permitted. If there is either no overrun or overrun is not permitted, the program is ended. If, on the other hand, there is overrun and overrun is permitted, a query 24 follows whether the air mass flow through opening 8 is greater than zero. Is the air mass flow ⁇ x through opening 8 greater than zero, query 23 in turn follows. If, however, the air mass flow ⁇ x through opening 8 is not greater than zero, step 25 follows.
- the gas exchange valve is adjusted for an adjustment time T ⁇ -d).
- the outflow valve 4 is first closed by output of the signal s4, as z. B. is shown in Fig. 3. Then the inflow valve 3 is opened by the signal s3 for a long time T M (i), as shown in FIG. 4. 3 and 4 show signals s4 and s3 over time t. After closing the inflow valve 3, the outflow valve 4 is opened again.
- Step 25 is followed by a query 26, which corresponds to query 24. That is, the question follows whether the air mass flow m 1 through the opening 8 is greater than zero. Is the
- a step 28 follows in which the adjustment time T ⁇ (i) is increased by a value ⁇ .
- the gas exchange valve the adjustment time T ⁇ d) is adjusted in the manner as it is carried out with respect to step 25.
- Step 28 is followed by a query 29 which corresponds to queries 24 and 26. That is, the question follows whether the air mass flow rr through the opening 8 is greater than zero. Is the
- the query 30 corresponds to the query 23. If there is no overrun operation (more) or the overrun operation is no longer permissible, the program is ended. If, on the other hand, there is overrun and the overrun operation is permissible, step 28 follows again.
- step 31 follows.
- the opening delay time becomes equal to the current adjustment time T M (i) and then the adjustment time T M (i ) to its initialization value (as in initialization step 22).
- the value i is increased by 1 in step 31. If this new value i is greater than the number of gas exchange valves for which the method described above is to be carried out, then i is set to 1.
- Step 31 is followed by query 23.
- the flow chart according to FIG. 2 can also be used in an analogous manner for determining the closing delay time of the gas exchange valve 1. The gas exchange valve is closed for a control time T M (i) from the open state.
- the open state of the inflow valve 3 and the closed state of the outflow valve 4 are assumed for a defined time.
- the inflow valve 3 is closed and then the outflow valve 4 is opened for an adjustment time T ⁇ Ci).
- Queries 26 and 29 are to be replaced by the query whether m is zero.
- FIG. 5 shows the position z of the gas exchange valve 1 over time t in response to the signals s4 and s3 according to FIGS. 3 and
- Fig. 4. shows the air mass flow ri through the opening 8 in Fig. 1. By measuring this air mass flow t . B.
- Measure gas exchange valves Such an air mass flow m is shown by way of example in FIG. 7, the air mass flow m being plotted over time t. Due to the distance between gas exchange valve 1 and a sensor for measuring the total air mass flow m, the effect of opening the
- Gas exchange valve 1 in the total air mass flow is delayed by a dead time ⁇ .
- the opening of the gas exchange valve 1 can thus be detected by evaluating the total air mass flow m.
- the evaluation can e.g. B. take place such that the total air mass flow m in a time window in which a reaction in the total air mass flow m due to the opening of the
- Gas exchange valve 1 is expected to be monitored. It is also possible to determine the integral of the total mass flow m or its
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
- Valve Device For Special Equipments (AREA)
- Valve-Gear Or Valve Arrangements (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19963753 | 1999-12-30 | ||
DE19963753A DE19963753A1 (de) | 1999-12-30 | 1999-12-30 | Ventilsteuerung für einen Verbrennungsmotor |
PCT/DE2000/004014 WO2001049981A1 (de) | 1999-12-30 | 2000-11-10 | Ventilsteuerung für einen verbrennungsmotor |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1159513A1 true EP1159513A1 (de) | 2001-12-05 |
EP1159513B1 EP1159513B1 (de) | 2006-03-22 |
Family
ID=7934981
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00988608A Expired - Lifetime EP1159513B1 (de) | 1999-12-30 | 2000-11-10 | Ventilsteuerung für einen verbrennungsmotor |
Country Status (6)
Country | Link |
---|---|
US (1) | US6581557B1 (de) |
EP (1) | EP1159513B1 (de) |
JP (1) | JP2003519315A (de) |
KR (1) | KR100745391B1 (de) |
DE (2) | DE19963753A1 (de) |
WO (1) | WO2001049981A1 (de) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10205967A1 (de) * | 2002-02-14 | 2003-08-21 | Bosch Gmbh Robert | Verfahren und Vorrichtung zur Steuerung der Öffnung eines Einlassventils einer Brennkraftmaschine |
DE10310300A1 (de) | 2003-03-10 | 2004-09-23 | Robert Bosch Gmbh | Verfahren zum Betreiben eines hydraulischen Aktors, insbesondere eines Gaswechselventils einer Brennkraftmaschine |
ITBO20030388A1 (it) * | 2003-06-23 | 2004-12-24 | Magneti Marelli Powertrain Spa | Metodo e dispositivo di controllo di un gruppo elettroidraulico |
DE102004010903B3 (de) * | 2004-03-05 | 2005-09-08 | Siemens Ag | Verfahren zum Ermitteln einer Gasmasse in einem Zylinder einer Brennkraftmaschine |
DE102004016804A1 (de) * | 2004-04-06 | 2005-10-27 | Daimlerchrysler Ag | Vorrichtung zur Körperschallmessung |
US7261070B2 (en) * | 2005-03-01 | 2007-08-28 | Jones James W | Linear fluid engine |
DE102005026054B4 (de) | 2005-06-07 | 2007-04-12 | Dr.Ing.H.C. F. Porsche Ag | Verfahren und Vorrichtung zur Überwachung der Funktionstüchtigkeit einer Ventilhub-Verstelleinrichtung einer Brennkraftmaschine in einer Kaltstartphase |
JP4220516B2 (ja) | 2005-12-29 | 2009-02-04 | 本田技研工業株式会社 | 内燃機関の可変動弁機構の故障検知装置 |
DE102007021109A1 (de) * | 2007-05-03 | 2008-11-13 | Jan Mendzigall | Verbrennungsmotor mit Querventilen |
US20090319160A1 (en) * | 2008-06-24 | 2009-12-24 | Callahan Joseph E | Active exhaust valve control strategy for improved fuel consumption |
DE102009000265A1 (de) * | 2009-01-16 | 2010-07-22 | Robert Bosch Gmbh | Verfahren zum Durchführen einer Anzahl Einspritzungen |
DE102010027213A1 (de) * | 2010-07-15 | 2012-01-19 | Continental Automotive Gmbh | Verfahren und Steuergerät zum Steuern einer Brennkraftmaschine |
DE102010027214B4 (de) * | 2010-07-15 | 2013-09-05 | Continental Automotive Gmbh | Verfahren und Steuergerät zum Steuern einer Brennkraftmaschine |
DE102010027215B4 (de) | 2010-07-15 | 2013-09-05 | Continental Automotive Gmbh | Verfahren und Steuergerät zum Steuern einer Brennkraftmaschine |
CN109578152B (zh) * | 2018-12-11 | 2020-07-24 | 大连理工大学 | 具有停缸功能的液压连续可变气门驱动机构及控制方法 |
CN111502793B (zh) * | 2020-05-11 | 2021-04-23 | 江苏科技大学 | 一种船用低速柴油机电磁直驱泵控排气阀系统 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH503892A (de) | 1969-08-30 | 1971-02-28 | Bosch Gmbh Robert | Steuerung von Ein- und Auslassventilen von Brennkraftmaschinen durch Flüssigkeit |
DE2006304A1 (de) * | 1970-02-12 | 1971-08-19 | Robert Bosch Gmbh, 7000 Stuttgart | Steuerung von Ein und Auslaßventilen bei Brennkraftmaschinen |
US4009695A (en) * | 1972-11-14 | 1977-03-01 | Ule Louis A | Programmed valve system for internal combustion engine |
US4033304A (en) * | 1974-06-14 | 1977-07-05 | David Luria | Piston-type internal combustion engine |
JPS59128971A (ja) * | 1983-01-10 | 1984-07-25 | Yanmar Diesel Engine Co Ltd | 内燃機関の燃焼用開閉弁の制御装置 |
JPH0612058B2 (ja) * | 1984-12-27 | 1994-02-16 | トヨタ自動車株式会社 | 可変バルブタイミング・リフト装置 |
JP2934682B2 (ja) * | 1991-03-28 | 1999-08-16 | 本田技研工業株式会社 | 内燃機関用機関弁の油圧駆動装置 |
JP3831778B2 (ja) * | 1996-06-13 | 2006-10-11 | 株式会社日本自動車部品総合研究所 | 多自由度動弁系制御システム |
DE19623698A1 (de) * | 1996-06-14 | 1997-12-18 | Fev Motorentech Gmbh & Co Kg | Verfahren zur Steuerung der Antriebe von Hubventilen an einer Kolbenbrennkraftmaschine |
DE19641244B4 (de) * | 1996-10-07 | 2005-04-14 | Fev Motorentechnik Gmbh | Verfahren zur Justierung eines elektromagnetischen Aktuators |
-
1999
- 1999-12-30 DE DE19963753A patent/DE19963753A1/de not_active Withdrawn
-
2000
- 2000-11-10 DE DE50012453T patent/DE50012453D1/de not_active Expired - Lifetime
- 2000-11-10 WO PCT/DE2000/004014 patent/WO2001049981A1/de active IP Right Grant
- 2000-11-10 US US09/914,598 patent/US6581557B1/en not_active Expired - Fee Related
- 2000-11-10 EP EP00988608A patent/EP1159513B1/de not_active Expired - Lifetime
- 2000-11-10 JP JP2001549894A patent/JP2003519315A/ja active Pending
- 2000-11-10 KR KR1020017010842A patent/KR100745391B1/ko not_active IP Right Cessation
Non-Patent Citations (1)
Title |
---|
See references of WO0149981A1 * |
Also Published As
Publication number | Publication date |
---|---|
JP2003519315A (ja) | 2003-06-17 |
EP1159513B1 (de) | 2006-03-22 |
KR20020005598A (ko) | 2002-01-17 |
DE19963753A1 (de) | 2001-07-12 |
DE50012453D1 (de) | 2006-05-11 |
WO2001049981A1 (de) | 2001-07-12 |
US6581557B1 (en) | 2003-06-24 |
KR100745391B1 (ko) | 2007-08-03 |
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