WO1999032764A1 - Verfahren zur steuerung einer brennkraftmaschine - Google Patents
Verfahren zur steuerung einer brennkraftmaschine Download PDFInfo
- Publication number
- WO1999032764A1 WO1999032764A1 PCT/EP1998/007987 EP9807987W WO9932764A1 WO 1999032764 A1 WO1999032764 A1 WO 1999032764A1 EP 9807987 W EP9807987 W EP 9807987W WO 9932764 A1 WO9932764 A1 WO 9932764A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- control unit
- actuator
- engine
- actuators
- actuator control
- 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
- F01L9/00—Valve-gear or valve arrangements actuated non-mechanically
- F01L9/20—Valve-gear or valve arrangements actuated non-mechanically by electric means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2400/00—Control systems adapted for specific engine types; Special features of engine control systems not otherwise provided for; Power supply, connectors or cabling for engine control systems
- F02D2400/18—Packaging of the electronic circuit in a casing
-
- 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
- F02D41/24—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means
- F02D41/26—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using computer, e.g. microprocessor
- F02D41/266—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using computer, e.g. microprocessor the computer being backed-up or assisted by another circuit, e.g. analogue
Definitions
- the invention relates to a method for controlling an internal combustion engine with at least two cylinder heads, with an engine control unit and with actuators for electromagnetic valve control.
- the actuators designed as separate components for electromagnetic
- Valve controls essentially consist of an opening magnet and a closing magnet, which are connected to one another by at least one housing part.
- the opening magnet and the closing magnet are electromagnets, each consisting of a coil and a yoke, and an armature plate made of a ferromagnetic material is located between the opening magnet and the closing magnet.
- the armature plate is moved in this direction by energizing the coil of the opening magnet or the coil of the closing magnet.
- the opening magnet has a bushing for a plunger that connects the armature plate to an actuator spring plate.
- An actuator spring is arranged between the actuator spring plate and the housing part or the outside of the opening magnet.
- An actuator for electromagnetic valve control forms a functional unit with a gas exchange valve, the gas exchange valve, corresponding to a conventional cylinder head with camshafts, being pulled into the valve seat of the cylinder head by means of a valve spring and a valve spring plate. If a functional unit consisting of an actuator and a gas exchange valve is mounted on the internal combustion engine, the actuator spring plate and the valve spring plate are pressed against each other. In the rest position of the functional unit, the anchor plate is located exactly in the middle between the opening magnet and the closing magnet. The gas exchange valve is in a middle position between the valve seat of the cylinder head, in which the valve is closed, and the position in which the valve is open to the maximum.
- the actuators for the electromagnetic valve control are advantageously operated in a device in which the actuators are arranged in the actuator shafts of an actuator carrier, and the actuator carrier is screwed onto the cylinder head of the internal combustion engine.
- the actuator bracket is covered by a cooled intermediate level. The cooled intermediate level points
- Bushings for lead frame connections of a lead frame The lead frame is injected into a multifunctional plastic part on which an actuator control device is arranged, which is connected to the lead frame.
- the cooled intermediate level is covered by a cover comprising the actuator control device.
- the actuator control device is connected to an engine control device arranged outside the cover.
- the invention has for its object to provide a method for controlling an internal combustion engine with at least two cylinder heads according to the preamble of claim 1, which describes the connection of the actuator control unit with the engine control units, and which is also suitable for internal combustion engines with several cylinder heads.
- each cylinder head of the internal combustion engine having a separate actuator control device for controlling the actuators for electromagnetic valve control, which by means of a data bus with the
- the CAN data bus is preferably used as the data bus.
- each cylinder head of the internal combustion engine has further actuators which are also controlled by the actuator control unit of the cylinder head.
- the engine control unit controls, in particular, those functions of the internal combustion engine that are based on the interaction of the assemblies of the internal combustion engine, such as, for example, fuel injection, the work cycle of the valves and the firing sequence.
- Engine control unit can be integrated. In addition, the engine control unit performs diagnostic functions of the internal combustion engine.
- the actuator control units control the individual functional sequences of the actuators for electromagnetic valve control and other actuators.
- the control can consist of simple switch-on and switch-off processes of the actuators or complex controls that are carried out depending on sensor data and / or characteristic maps.
- the actuators for electromagnetic valve control and the further actuators are controlled by the actuator control units in accordance with the specification of the engine control unit. For example, the current intensity with which the actuators for the electromagnetic valve control for opening and closing the valves are controlled is regulated by the respective actuator control device.
- Actuators for electromagnetic valve control for the correct working cycle of the valves of the internal combustion engine are opened and closed are specified by the engine control unit.
- the engine control unit is integrated in one of the actuator control units.
- the sensors of the internal combustion engine which record the sensor data necessary for controlling the internal combustion engine, are connected directly to the engine control unit. If there is a need, sensor data are forwarded from the engine control unit to the actuator control units via the data bus.
- the data bus is designed such that an actuator control device can also obtain the sensor data from another actuator control device.
- the actuator control devices have emergency running properties, by means of which the internal combustion engine can continue to be operated, at least for a short time, when faults occur.
- the actuator control units are not only connected to the engine sensors via the data bus and the engine control unit, but are also connected directly to engine sensors of the internal combustion engine, preferably to the sensors for determining the crankshaft speed and the crankshaft rotation angle.
- sensor data that are available to the actuator control devices via the data bus and through a direct connection to the engine sensors are synchronized. If at least one actuator for electromagnetic valve control fails, the fuel supply for the cylinder concerned is blocked by the associated actuator control unit as part of the emergency running properties.
- the actuator control unit concerned takes over the control of the actuators for electromagnetic valve control and the further actuators as part of the emergency running properties.
- the specifications of the engine control unit for controlling the functions of the actuators for electromagnetic valve control and of the further actuators are taken from characteristic fields which are stored in the actuator control units at least as a function of the speed.
- the characteristic maps relate, for example, to the ignition control, the control of the fuel injection and the control of the working cycle of the valves.
- FIG. 1 shows a schematic representation of the connection of the engine control unit to two actuator control units by means of a data bus.
- a valve actuator VA is used for the electromagnetic valve control for each gas exchange valve.
- the cylinder heads of the gasoline engine are each positively arranged with an actuator holder AM, AH2.
- the actuator holders AM, AH2 each have twelve actuator shafts for three cylinders to accommodate the valve actuators VA.
- the actuator shafts are arranged in groups of four in the actuator holders AM, AH2 around a spark plug shaft.
- the valve actuators VA are designed as a pre-assembled assembly and consist of an opening magnet with a bushing and a closing magnet, which are connected to each other by a housing part.
- the opening magnet and the closing magnet are electromagnets and each consist of a yoke and a coil; an armature plate made of a ferromagnetic material is arranged between the two magnets.
- the anchor plate is connected to an actuator spring plate via a plunger. The plunger is guided through the opening of the opening magnet, an actuator spring is arranged between the actuator spring plate and the opening magnet, which resets the anchor plate after it has been removed from the
- a valve actuator VA forms a functional unit with a gas exchange valve.
- the gas exchange valves are each pulled by a valve spring via a valve spring plate attached to the valve stem into the valve seat of the cylinder head.
- the actuator spring plate and the valve spring plate are pressed against each other, with the anchor plate being exactly in a middle position between the opening magnet and the closing magnet.
- the valve spring returns the anchor plate to this central position after the anchor plate has been attracted by the opening magnet to open the gas exchange valve.
- AH2 are used, each have the angle to the bottom surface of the actuator holder AM, AH2 that the plunger of a valve actuator VA forms a straight line with the valve stem of a gas exchange valve.
- the plug devices of the valve actuators VA are perpendicular to the surface of the actuator holders AM, AH2.
- a cooled intermediate plate which is designed as an aluminum plate APJ AP2, is arranged on each of the two actuator holders AM, AH2 with the ventilators VA. Cooling water channels are integrated into the aluminum plates AP1, AP2, which are connected to cooling water channels of the actuator holders AM, AH2.
- the aluminum plates AP1, AP2 have bushings through which the plug device of the valve actuators VA are connected to the lead frame connections of a lead frame.
- the lead frames are each cast in a multifunctional plastic part and represent the connection between the valve actuators VA of a cylinder head and the associated actuator control unit AS1, AS2.
- the aluminum plates AP1, AP2, the multifunctional plastic part and an actuator control device AS1, AS2 are each enclosed by a cover.
- the covers are made of plastic and serve as design carriers for the car manufacturer.
- the covers each have an interface via which the actuator control units AS1, AS2 can be operated by means of a
- CAN data bus DB with an engine control unit MS, with engine sensors s and with the power supply ÜB of the gasoline engine.
- the CAN (Controller Area Network) data bus DB is used for high-speed data transmission and has been specially developed for use in motor vehicles.
- the figure shows a schematic representation of the arrangement of the engine control unit MS and the two actuator control units AS1, AS2 for the six-cylinder gasoline engine with electromagnetic valve control. The complete data exchange between the actuator control units AS1, AS2 and the engine control unit MS takes place via the CAN data bus DB.
- the engine control unit MS preferably regulates or controls the sequence of system functions which are based on the correct interplay of similar assemblies (in the six-cylinder unit there are six of them) or on the interaction of different assemblies (injection - ignition) of the gasoline engine. These system functions relate, for example, to the firing order, the working cycle of the valves and the fuel injection.
- the engine control unit S is connected to a large number of engine sensors s. The most important are Sensors for detecting the crankshaft speed and the crankshaft rotation angle.
- the actuator control units AS1, AS2 regulate or control basic functions of the actuators which are assigned to the respective cylinder head. These basic functions are carried out by the actuator control units AS1, AS2 according to the specifications of the engine control unit MS and relate to the valve actuators VA and further actuators, for example the solenoid valves for fuel injection and the spark plugs.
- valve actuators VA are used for the electromagnetic valve control by the actuator control units AS1,
- the specification of the engine control unit MS consists in the specification of the times when the opening magnets and the closing magnets of the twenty-four valve actuators VA actuate the inlet valves and the outlet valves of the six cylinders of the gasoline engine.
- the optimal times are determined by the engine control unit MS as a function of the crankshaft speed and the crankshaft rotation angle, the load condition and the engine temperature.
- the actuator control units AS1, AS2 regulate the current for each valve actuator VA, which must be applied so that a gas exchange valve opens, for example, against the combustion chamber pressure, or is pulled into the valve seat of the cylinder head at a speed of 0 m / s if possible.
- a device is arranged in each valve actuator VA, with which the exact position of the armature between the opening magnet and the closing magnet can be determined in the valve actuator VA.
- solenoid valves which are arranged between the fuel pump and the fuel injectors for suppressing the fuel injection, are also actuated by the actuator control units AS1, AS2 according to the specification of the engine control unit S.
- the engine control unit MS determines the start and the duration of the Fuel injection.
- the injection process or a possible pre- or post-injection are regulated by the actuator control units AS1, AS2.
- the actuator control units AS1, AS2 control the correct functioning of the solenoid valves on the current profile.
- the ignition device of the gasoline engine is designed as an AC ignition and combined with a device for determining the ion current.
- the actuator control units AS1, AS2 are instructed by the engine control unit MS which spark plug of the six-cylinder gasoline engine will fire next.
- the ignition of a spark plug is triggered by the respective actuator control unit AS1, AS2.
- the ion current signal from the actuator control unit AS1, AS2 is used to shift the ignition timing as close to TDC as possible and to detect a knocking signal.
- the intensity of the ignition spark is controlled by the actuator control units AS1, AS2 as a function of the speed.
- the actuator control units AS1, AS2 receive the necessary information about the crankshaft speed and the crankshaft rotation angle from the engine control unit MS via the data bus DB. If misfiring is detected on a cylinder by the ion current measurement, the actuator valves AS1, AS2 concerned block the solenoid valves and thus cut off the fuel supply for this cylinder to protect a catalytic converter.
- the engine control unit MS performs other functions such as load detection or lambda control. In addition, special functions such as a cruise control system and a speed limitation are integrated in the engine control unit MS. The engine control unit MS also performs the diagnostic functions.
- the engine control unit MS and the actuator control units AS1, AS2 are equipped with special emergency running properties for the failure of individual components of the gasoline engine. At least short-term operation of the gasoline engine should be made possible, or components such as the catalytic converter of the motor vehicle should be protected from damage.
- valve actuator VA for electromagnetic valve control fails, the fuel injection of the three cylinders of the affected cylinder head is prevented as part of the emergency running properties. In this case, the motor vehicle is only driven by three cylinders.
- the engine control unit MS has special ignition maps for this case.
- the actuator control units AS1, AS2 separate maps for the valve work cycle, fuel injection and ignition are available.
- the data transmission between the actuator control units AS1, AS2 must be functional.
- the actuator control units AS1, AS2 have a connection to the sensors for detecting the crankshaft speed and the crankshaft rotation angle that is independent of the CAN data bus DB.
- the signals from the sensors fed to the engine control unit MS and the actuator control units AS1, AS2 are compared and synchronized to record the crankshaft speed and the crankshaft rotation angle.
- the actuator control units AS1, AS2 enable reliable operation of the gasoline engine, the actuator control units AS1, AS2 being advantageously close to the actuators they control, and the rapid transmission of instructions from the engine control unit to the actuator control units AS1, AS2 is guaranteed by the data bus DB.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Valve Device For Special Equipments (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP53324599A JP2001512551A (ja) | 1997-12-18 | 1998-12-09 | 内燃機関の制御方法 |
EP98965239A EP0975857B1 (de) | 1997-12-18 | 1998-12-09 | Verfahren zur steuerung einer brennkraftmaschine |
US09/367,673 US6278932B1 (en) | 1997-12-18 | 1998-12-09 | Method for controlling an internal combustion engine |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19756342A DE19756342C2 (de) | 1997-12-18 | 1997-12-18 | Verfahren zur Steuerung einer Brennkraftmaschine |
DE19756342.2 | 1997-12-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1999032764A1 true WO1999032764A1 (de) | 1999-07-01 |
Family
ID=7852399
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP1998/007987 WO1999032764A1 (de) | 1997-12-18 | 1998-12-09 | Verfahren zur steuerung einer brennkraftmaschine |
Country Status (5)
Country | Link |
---|---|
US (1) | US6278932B1 (de) |
EP (1) | EP0975857B1 (de) |
JP (1) | JP2001512551A (de) |
DE (1) | DE19756342C2 (de) |
WO (1) | WO1999032764A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19948205A1 (de) * | 1999-10-07 | 2001-04-12 | Heinz Leiber | Elektromagnetische Ventilsteueranordnung |
Families Citing this family (37)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19846974A1 (de) * | 1998-10-12 | 2000-04-13 | Bayerische Motoren Werke Ag | Elektromagnetischer Aktuator zur Betätigung eines Brennkraftmaschinen-Hubventils |
DE19854542C1 (de) | 1998-11-26 | 2000-04-13 | Daimler Chrysler Ag | Vorrichtung zur Kontaktierung eines Motorsteuergerätes |
DE19918032C1 (de) | 1999-04-21 | 2000-11-16 | Siemens Ag | Schaltung zur Laststeuerung und Verfahren zum Notlaufbetrieb einer Brennkraftmaschine |
DE19936858C1 (de) * | 1999-08-05 | 2001-05-23 | Siemens Ag | Aktoranordnung, insbesondere zur Ansteuerung eines Einspritzventils einer Brennkraftmaschine |
DE10002268A1 (de) * | 2000-01-20 | 2001-07-26 | Bosch Gmbh Robert | Verfahren zur Zylinderabschaltung an einem Verbrennungsmotor, insbesondere eines Fahrzeugs, und entsprechende Vorrichtung |
FR2808564B1 (fr) * | 2000-05-02 | 2003-02-21 | Peugeot Citroen Automobiles Sa | Dispositif electronique de pilotage d'actionneurs de soupapes d'un moteur a combustion interne |
FR2814319B1 (fr) * | 2000-09-19 | 2002-11-29 | Sagem | Dispositif de connexion pour l'acheminement de signaux de commande et de puissance vers des actionneurs de soupapes d'un moteur a combustion interne |
DE10106169A1 (de) * | 2001-02-10 | 2002-08-14 | Bosch Gmbh Robert | Verfahren und Vorrichtung zum Steuern eines Betriebs einer Brennkraftmaschine |
JP3780886B2 (ja) * | 2001-09-07 | 2006-05-31 | トヨタ自動車株式会社 | 内燃機関のバルブ駆動装置 |
DE10147484B4 (de) * | 2001-09-26 | 2010-01-28 | Robert Bosch Gmbh | Verfahren und Vorrichtung zur Ansteuerung von Aktoren, insbesondere von Aktoren zur Kraftstoffeinspritzung bei Einspritzmotoren |
US6745118B2 (en) | 2001-12-06 | 2004-06-01 | Daimlerchrysler Corporation | Method to improve engine synchronization performance |
DE10211699A1 (de) * | 2002-03-16 | 2003-10-16 | Bayerische Motoren Werke Ag | Verfahren und Vorrichtung zum Erkennen von Zündaussetzern bei einem Kraftfahrzeug |
US6694242B2 (en) * | 2002-03-20 | 2004-02-17 | Clean Air Power, Inc. | Dual fuel engine having multiple dedicated controllers connected by a broadband communications link |
US7055372B2 (en) * | 2002-11-01 | 2006-06-06 | Visteon Global Technologies, Inc. | Method of detecting cylinder ID using in-cylinder ionization for spark detection following partial coil charging |
US7251571B2 (en) * | 2003-09-05 | 2007-07-31 | Visteon Global Technologies, Inc. | Methods of diagnosing open-secondary winding of an ignition coil using the ionization current signal |
JP4198073B2 (ja) * | 2004-02-06 | 2008-12-17 | 株式会社日立製作所 | 内燃機関の制御装置 |
DE102004049031A1 (de) * | 2004-10-08 | 2006-04-20 | Audi Ag | Kraftfahrzeug mit einer Brennkraftmaschine |
US7270093B2 (en) * | 2005-04-19 | 2007-09-18 | Len Development Services Corp. | Internal combustion engine with electronic valve actuators and control system therefor |
US8037853B2 (en) * | 2005-04-19 | 2011-10-18 | Len Development Services Usa, Llc | Internal combustion engine with electronic valve actuators and control system therefor |
US20070118269A1 (en) * | 2005-11-18 | 2007-05-24 | Alex Gibson | Engine control unit to valve control unit interface |
US7284514B2 (en) * | 2006-02-13 | 2007-10-23 | Ford Global Technologies, Llc | Engine control system |
US7277789B1 (en) | 2006-07-06 | 2007-10-02 | Ford Global Technologies, Llc | System for transmitting signals between an engine control unit and a valve control unit |
FR2906298B1 (fr) * | 2006-09-25 | 2008-12-26 | Valeo Sys Controle Moteur Sas | Systeme de commande de soupape a detection de defaillance |
WO2008037889A1 (fr) * | 2006-09-25 | 2008-04-03 | Valeo Systemes De Controle Moteur | Procédé de commande individualisée d'ensemble d' actionneurs de soupapes par l'ecu |
US7634350B2 (en) * | 2006-11-30 | 2009-12-15 | Caterpillar Inc. | Automatic configuration for a secondary engine electronic governor |
US7389762B1 (en) | 2007-04-25 | 2008-06-24 | Ford Global Technologies, Llc | System and method for controlling valve actuators |
FR2916799B1 (fr) | 2007-05-30 | 2013-06-07 | Valeo Sys Controle Moteur Sas | Procede et dispositif de commande de soupape avec plusieurs phases de levee, procede d'alimentation d'un moteur |
US7865290B2 (en) * | 2007-10-09 | 2011-01-04 | Ford Global Technologies, Llc | Valve control synchronization and error detection in an electronic valve actuation engine system |
EP2307674A1 (de) * | 2008-07-30 | 2011-04-13 | Valeo Systemes De Controle Moteur | Steuereinheit für einen oder mehrere elektromagnetische(n) aktuatoren eines verbrennungsmotorventils und verschiedene anordnungen aus solchen steuereinheiten und solchen elektromagnetischen aktuatoren |
JP2011208921A (ja) * | 2010-03-30 | 2011-10-20 | Yamatake Corp | 燃焼制御装置 |
FR2983369B1 (fr) * | 2011-11-28 | 2013-11-08 | Valeo Sys Controle Moteur Sas | Dispositif de commande d'au moins un actionneur electromagnetique configure pour agir sur la transmission du mouvement d'au moins une came a au moins une soupape |
DE102011088497A1 (de) * | 2011-12-14 | 2013-06-20 | Robert Bosch Gmbh | Verfahren zum Betreiben einer Multi-Fuel-Brennkraftmaschine mittels zweier Steuergeräte und nach dem erfindungsgemäßen Verfahren arbeitende Multi-Fuel-Brennkraftmaschine |
FR2990464B1 (fr) * | 2012-05-14 | 2016-01-22 | Valeo Sys Controle Moteur Sas | Platine de montage d'actionneurs d'un systeme de deconnexion de soupape |
WO2013187858A1 (en) * | 2012-06-11 | 2013-12-19 | International Engine Intellectual Property Company, Llc | Centralized actuator control module |
US20140046574A1 (en) * | 2012-08-08 | 2014-02-13 | Autotronic Controls Corporation | Engine control using an asynchronous data bus |
FR3049009A1 (fr) * | 2016-03-15 | 2017-09-22 | Peugeot Citroen Automobiles Sa | Dispositif de gestion d'un moteur |
SE543862C2 (en) * | 2020-03-02 | 2021-08-17 | Freevalve Ab | Internal combustion engine comprising a decentralized valve-control arrangement and method therefore |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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FR2616481A1 (fr) * | 1987-06-12 | 1988-12-16 | Hamon Francois | Dispositif electronique de commande de soupapes de moteur a combustion interne et procedes de mise en oeuvre |
US5444626A (en) * | 1992-06-16 | 1995-08-22 | Robert Bosch Gmbh | Control system for calculating parameter control values in repetitive control processes |
EP0867602A1 (de) * | 1997-03-28 | 1998-09-30 | Fuji Jukogyo Kabushiki Kaisha | Steuervorrichtung für elektromagnetisch betätigtes Ventil und entsprechendes Verfahren |
Family Cites Families (8)
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DE3247916A1 (de) * | 1982-12-24 | 1984-06-28 | Robert Bosch Gmbh, 7000 Stuttgart | Vorrichtung zur steuerung der ventile einer brennkraftmaschine ueber eine nockenwelle |
JPH0792018B2 (ja) * | 1984-07-04 | 1995-10-09 | 日本電装株式会社 | 車両用制御装置 |
DE3524025A1 (de) * | 1985-07-05 | 1987-01-15 | Fleck Andreas | Verfahren zum betreiben einer brennkraftmaschine |
JPH0833143B2 (ja) * | 1987-02-23 | 1996-03-29 | 三菱電機株式会社 | エンジンの制御装置 |
IT1234397B (it) * | 1989-06-16 | 1992-05-18 | Ferrari S P A Esercizio Fabbri | Sistema di protezione dei dispositivi di combustione dei gas di scarico |
US6115665A (en) * | 1993-05-07 | 2000-09-05 | Ford Motor Company | Memory efficient computer system and method for controlling an automotive ignition system |
SE503397C2 (sv) * | 1994-09-11 | 1996-06-03 | Mecel Ab | Arrangemang och förfarande för ett reglersystem till en förbränningsmotor innefattande ett distribuerat datornät |
JP3491419B2 (ja) * | 1995-12-04 | 2004-01-26 | 株式会社デンソー | 電子制御装置 |
-
1997
- 1997-12-18 DE DE19756342A patent/DE19756342C2/de not_active Revoked
-
1998
- 1998-12-09 JP JP53324599A patent/JP2001512551A/ja not_active Ceased
- 1998-12-09 EP EP98965239A patent/EP0975857B1/de not_active Expired - Lifetime
- 1998-12-09 WO PCT/EP1998/007987 patent/WO1999032764A1/de active IP Right Grant
- 1998-12-09 US US09/367,673 patent/US6278932B1/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2616481A1 (fr) * | 1987-06-12 | 1988-12-16 | Hamon Francois | Dispositif electronique de commande de soupapes de moteur a combustion interne et procedes de mise en oeuvre |
US5444626A (en) * | 1992-06-16 | 1995-08-22 | Robert Bosch Gmbh | Control system for calculating parameter control values in repetitive control processes |
EP0867602A1 (de) * | 1997-03-28 | 1998-09-30 | Fuji Jukogyo Kabushiki Kaisha | Steuervorrichtung für elektromagnetisch betätigtes Ventil und entsprechendes Verfahren |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19948205A1 (de) * | 1999-10-07 | 2001-04-12 | Heinz Leiber | Elektromagnetische Ventilsteueranordnung |
Also Published As
Publication number | Publication date |
---|---|
US6278932B1 (en) | 2001-08-21 |
JP2001512551A (ja) | 2001-08-21 |
DE19756342A1 (de) | 1999-07-01 |
DE19756342C2 (de) | 2003-02-13 |
EP0975857A1 (de) | 2000-02-02 |
EP0975857B1 (de) | 2003-04-09 |
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