EP0798456B1 - Procédé de fonctionnement d'un moteur à combustion interne utilisant un dispositif de commande - Google Patents
Procédé de fonctionnement d'un moteur à combustion interne utilisant un dispositif de commande Download PDFInfo
- Publication number
- EP0798456B1 EP0798456B1 EP97102393A EP97102393A EP0798456B1 EP 0798456 B1 EP0798456 B1 EP 0798456B1 EP 97102393 A EP97102393 A EP 97102393A EP 97102393 A EP97102393 A EP 97102393A EP 0798456 B1 EP0798456 B1 EP 0798456B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- performance data
- vehicle
- actual
- control device
- stored
- 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.)
- Expired - Lifetime
Links
Classifications
-
- 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
- F02D41/2406—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using essentially read only memories
- F02D41/2425—Particular ways of programming the data
-
- 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
- F02D41/2406—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using essentially read only memories
- F02D41/2425—Particular ways of programming the data
- F02D41/2429—Methods of calibrating or learning
-
- 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
- F02D41/2406—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using essentially read only memories
- F02D41/2496—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using essentially read only memories the memory being part of a closed loop
-
- 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
- F02D41/2406—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using essentially read only memories
- F02D41/2425—Particular ways of programming the data
- F02D41/2487—Methods for rewriting
Definitions
- the invention relates to a method with the features of the preamble of Claim 1.
- US-A-5 111 686 describes an apparatus provided in a vehicle Fault diagnosis. This device diagnoses and stores illegal states of a Electronic control device used to control the vehicle. The device for Fault diagnosis also compares the current operating conditions of the vehicle with the Operating conditions that existed at the time of the irregular conditions.
- DE-A-38 29 949 describes a method for operating an electrical pressure medium service brake device and a control device for performing the method known.
- the control device includes several in parallel and independently of each other Acting safety functions that prevent the brakes from operating incorrectly do. Test results affecting safety are in a non-volatile Semiconductor memory writable. Any that have occurred can also be found in the memory Error states with operating parameters and date and time can be written.
- US-A-5 491 631 is concerned with a fault diagnosis system for vehicles manufactured by different, vehicle equipment-specific fault diagnosis programs makes.
- ECU electronice control devices
- a memory is provided to make vehicles with different equipment the same electronic control devices (ECU) differentiate and use one to be able to analyze the respective equipment adapted to the fault diagnosis system a memory.
- the relevant vehicle is stored in this memory individualizing code stored on the basis of that for the vehicle in question suitable fault diagnosis program can be determined.
- the invention has for its object to a method of the type mentioned create, with the help of changing the target performance data in a simple manner is noticeable.
- the vehicle user By saving the actual performance data when this is from the target performance data deviate, the proof of a change in the target performance data without further possible.
- the vehicle user also has the opportunity to use the Proof that, for example, its target performance data has not changed and can then give his justified vis-à-vis the vehicle manufacturer or the insurance company Evidence of claims.
- the possibility of a change that cannot be completely ruled out the performance data without the influence and intervention of the vehicle user, for example when exchanging the control device and a workshop error can be for the vehicle user also lead easily. If there is a change of ownership, it will the subsequent owner possible, a possible excessive stress to recognize the internal combustion engine on the basis of the stored actual performance data. He can then refrain from buying the vehicle, for example.
- the previous user can use non-saved actual performance data proof of the proper operation of the internal combustion engine to lead. To a certain extent, the buyer of a vehicle therefore has the security purchase an internal combustion engine with a normal service life.
- the information about the temporal effectiveness delivers in particular day, Month and / or year is a good measure of the extent to which the internal combustion engine was overburdened. More ways to do this deliver consist of recording the mileage with which the vehicle with the changed actual performance data was operated.
- the storage of the actual performance data within the control unit enables the comparison of target and actual performance data using the control device perform yourself.
- the redundant storage at a point outside the Control device makes it possible to replace the control device a possible misuse or a change in the target performance data to be able to determine beyond any doubt.
- target performance data with the associated actual data can also be saved. If the manipulation is not carried out by a changed software program, but by "greasing", i.e. by changing the intake air temperature sensor resistance value, this can be done by comparing the intake air and the outside temperature in a stable condition of the vehicle, e.g. at a vehicle speed above 20km / h. Both temperature signals are available via an internal data bus. An implausibility can in addition Memory are documented.
- the possibility of documenting any manipulations can be documented and to be recognized later, can be further improved.
- the Control device with a vehicle-specific identifier, for example in the form the chassis number.
- This identifier can also be used in an additional Memory, for example the memory of another control unit become.
- the control unit is used, for example, in the context of an electronic Immobilizer used. Every time the vehicle is started, it is saved there Identifier compared with the current value of the identifier in the control device. If there is no match, the vehicle can be started, for example can be prevented or the discrepancy documented become.
- this identifier can also be an additional one times in another memory. This increases the Protection against improper simultaneous replacement of the control device and the control unit contained in the additional memory.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
- Financial Or Insurance-Related Operations Such As Payment And Settlement (AREA)
Claims (9)
- Procédé pour faire fonctionner un moteur à combustion interne d'un véhicule au moyen d'un dispositif de commande qui comprend une mémoire électronique contenant des données de puissance de consigne prédéterminées qui sont significatives pour le comportement de puissance du moteur à combustion interne,
caractérisé en ce que
les données de puissance de consigne sont en supplément mémorisées de façon redondante, les données de puissance de consigne redondantes sont comparées aux données de puissance réelles actuelles qui sont significatives pour le comportement de puissance du moteur à combustion interne, et les données de puissance réelles sont mémorisées dans le véhicule lorsqu'elles sont modifiées par rapport aux données de puissance de consigne. - Procédé selon la revendication 1,
caractérisé en ce que
le dispositif de commande comprend aussi un code individuel du véhicule et ce code est lui aussi mémorisé en supplément. - Procédé selon la revendication 1 ou 2,
caractérisé en ce que
les données de puissance réelles sont mémorisées en ce qui concerne leur activité dans le temps. - Procédé selon la revendication 3,
caractérisé en ce que
l'information sur l'activité dans le temps comprend aussi le jour, le mois et/ou l'année. - Procédé selon une des revendications 1 à 4,
caractérisé en ce que
les données de puissance réelles sont mémorisées dans le dispositif de commande. - Procédé selon une des revendications 1 à 5,
caractérisé en ce que
les données de puissance de consigne sont mémorisées de façon redondante dans le véhicule en dehors du dispositif de commande. - Procédé selon une des revendications 1 à 6,
caractérisé en ce que
les données de puissance réelles et de consigne contiennent une information sur la pression de combustion maximale. - Procédé selon la revendication 7,
caractérisé en ce que
l'information contient la valeur maximale de la pression de charge et/ou de la quantité injectée. - Procédé selon une des revendications 1 à 5,
caractérisé en ce que,
dans le cas d'un moteur à combustion interne à explosion, les données de puissance réelles et de consigne contiennent des informations sur les quantités de carburant correspondantes et sur les vitesses de rotation.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19612857A DE19612857A1 (de) | 1996-03-30 | 1996-03-30 | Verfahren zum Betrieb einer Brennkraftmaschine mit Hilfe einer Steuereinrichtung |
DE19612857 | 1996-03-30 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0798456A2 EP0798456A2 (fr) | 1997-10-01 |
EP0798456A3 EP0798456A3 (fr) | 1999-05-12 |
EP0798456B1 true EP0798456B1 (fr) | 2003-09-24 |
Family
ID=7790054
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97102393A Expired - Lifetime EP0798456B1 (fr) | 1996-03-30 | 1997-02-14 | Procédé de fonctionnement d'un moteur à combustion interne utilisant un dispositif de commande |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0798456B1 (fr) |
DE (2) | DE19612857A1 (fr) |
ES (1) | ES2207692T3 (fr) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7467035B2 (en) * | 2004-05-18 | 2008-12-16 | Haldex Brake Products Ltd. | Vehicle control system with redundant storage of vehicle control parameters |
DE102004026582A1 (de) * | 2004-05-28 | 2005-12-15 | Robert Bosch Gmbh | Verfahren zur Aktivierung von Lernvorgängen eines Steuergeräts und Steuergerät |
DE102011002805A1 (de) | 2011-01-18 | 2012-07-19 | Bayerische Motoren Werke Aktiengesellschaft | Verfahren zur Erkennung von Fehlern in einem elektronisch gesteuerten Antriebssystem eines Kraftfahrzeuges |
DE102011076682B4 (de) | 2011-05-30 | 2024-03-07 | Bayerische Motoren Werke Aktiengesellschaft | Verfahren und Sicherheitskonzept zur Erkennung von Fehlern in einem Antriebssystem eines Kraftfahrzeuges |
DE102012201653B4 (de) | 2012-02-03 | 2024-05-29 | Bayerische Motoren Werke Aktiengesellschaft | Schaltungsanordnung in einem elektronischen Steuergerät eines Kraftfahrzeuges zur Erkennung von Fehlern |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3829949A1 (de) * | 1988-09-03 | 1990-03-15 | Daimler Benz Ag | Verfahren zum betrieb einer elektrischen druckmittel-betriebsbremseinrichtung und steuervorrichtung zur durchfuehrung des verfahrens |
US5111686A (en) * | 1990-02-26 | 1992-05-12 | Nippondenso Co., Ltd. | Fault diagnosis apparatus for mounting on a vehicle |
DE4117393A1 (de) * | 1991-05-28 | 1992-12-03 | Kloeckner Humboldt Deutz Ag | Einrichtung zur steuerung der kraftstoffeinspritzung einer brennkraftmaschine |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3430551C2 (de) * | 1984-08-20 | 1997-10-23 | Bosch Gmbh Robert | Einrichtung zur Änderung von gespeicherten Kenngrößen in elektronischen Steuergeräten für insbesondere Brennkraftmaschinen |
DE3720404C1 (de) * | 1987-06-19 | 1988-10-06 | Voest Alpine Automotive | Verfahren und Vorrichtung zur Datenaenderung im Parameterspeicher eines Kraftfahrzeug-Reglers |
JPS6483434A (en) * | 1987-09-22 | 1989-03-29 | Mitsubishi Electric Corp | Trouble shooting apparatus for vehicle controlling system |
JPH0776724B2 (ja) * | 1988-02-18 | 1995-08-16 | 富士重工業株式会社 | 車輌診断装置 |
JP2987446B2 (ja) * | 1989-06-29 | 1999-12-06 | 富士重工業株式会社 | 車輌の自己診断装置 |
JPH076434B2 (ja) * | 1991-10-09 | 1995-01-30 | 株式会社ゼクセル | 電子式燃料噴射装置 |
US5491631A (en) * | 1991-12-25 | 1996-02-13 | Honda Giken Kogyo Kabushiki Kaisha | Fault diagnostic system for vehicles using identification and program codes |
-
1996
- 1996-03-30 DE DE19612857A patent/DE19612857A1/de not_active Withdrawn
-
1997
- 1997-02-14 ES ES97102393T patent/ES2207692T3/es not_active Expired - Lifetime
- 1997-02-14 EP EP97102393A patent/EP0798456B1/fr not_active Expired - Lifetime
- 1997-02-14 DE DE59710764T patent/DE59710764D1/de not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3829949A1 (de) * | 1988-09-03 | 1990-03-15 | Daimler Benz Ag | Verfahren zum betrieb einer elektrischen druckmittel-betriebsbremseinrichtung und steuervorrichtung zur durchfuehrung des verfahrens |
US5111686A (en) * | 1990-02-26 | 1992-05-12 | Nippondenso Co., Ltd. | Fault diagnosis apparatus for mounting on a vehicle |
DE4117393A1 (de) * | 1991-05-28 | 1992-12-03 | Kloeckner Humboldt Deutz Ag | Einrichtung zur steuerung der kraftstoffeinspritzung einer brennkraftmaschine |
Also Published As
Publication number | Publication date |
---|---|
DE59710764D1 (de) | 2003-10-30 |
ES2207692T3 (es) | 2004-06-01 |
EP0798456A3 (fr) | 1999-05-12 |
EP0798456A2 (fr) | 1997-10-01 |
DE19612857A1 (de) | 1997-10-02 |
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