EP0639706B1 - System zur Ansteuerung eines Stellglieds zur Einstellung der Luftzufuhr eines Kraftfahrzeugmotors - Google Patents
System zur Ansteuerung eines Stellglieds zur Einstellung der Luftzufuhr eines Kraftfahrzeugmotors Download PDFInfo
- Publication number
- EP0639706B1 EP0639706B1 EP94112010A EP94112010A EP0639706B1 EP 0639706 B1 EP0639706 B1 EP 0639706B1 EP 94112010 A EP94112010 A EP 94112010A EP 94112010 A EP94112010 A EP 94112010A EP 0639706 B1 EP0639706 B1 EP 0639706B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- subassembly
- drive system
- control element
- actuator
- accelerator
- 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.)
- Revoked
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D11/00—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated
- F02D11/06—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by non-mechanical control linkages, e.g. fluid control linkages or by control linkages with power drive or assistance
- F02D11/10—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by non-mechanical control linkages, e.g. fluid control linkages or by control linkages with power drive or assistance of the electric type
-
- 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 system for controlling an actuator for adjustment the air supply of a motor vehicle engine, with an accelerator pedal, with at least an accelerator pedal position sensor for sensing the current accelerator pedal position and with a first electronic module for processing the signals of the at least one accelerator pedal position sensor and with an actuator for Adjustment of the air supply to a motor vehicle engine with an actuator Actuation of the actuator, with a position sensor for sensing the current position of the actuator, with a second electronic assembly, which controls the actuator and evaluates the signals from the position sensor or processed, the first and the second electronic assembly by means of a Communication line and one of the modules via one Communication channel in connection with at least one other module stands.
- a system is known from US-A 5,048,481.
- bus system An example of a bus system is the CAN bus system, which in Motor vehicles is widely used. (Dais s et al: "Technical Concept of the serial bus system CAN part 1 "ATZ Automobiltechnische Journal, Vol. 94, No. 2, February 1, 1992, pages 66-70, 73-77).
- the second assembly gives signals to the first module via the communication line, which the represent the current position of the actuator.
- the basic system according to the invention is formed by two assemblies, the Distribution of the functions assigned to the modules advantageously in this way takes place that the electrical connection between the modules as simple as possible can be executed.
- the first assembly is still connected to the accelerator pedal and provides also connect via a communication channel or a bus system at least one other assembly, while the second assembly Check the actuator.
- the first assembly connected to the accelerator pedal can all centrally Check input signals that influence the actuation of the actuator.
- these are the signals generated by the accelerator pedal sensor, which are direct are evaluated by the first module and all other signals by other assemblies (engine control, traction control, Speed controller, etc.) are generated and sent to the first via the bus system Assembly.
- the first module easily the signals of the Accelerator pedal sensors can be on the bus system, so that this from other Assemblies can be used.
- the major part of the computing power especially those for signal processing in the communication of Bus systems is required, which can be assigned to the first module.
- the second assembly connected to the actuator is as short as possible
- the second module is generally more prone to failure or by using less sensitive and resilient components at least comparatively more expensive than the first assembly. Therefore, it is advantageous, complex functions, where possible, of the first assembly assign.
- the first can be advantageous in terms of cabling and interference immunity Module are designed by the accelerator pedal sensors with this first Assembly form a structural unit.
- a motor controller belongs to connected modules, what ignition and injection of the motor vehicle engine controls.
- Such a motor control can depend on Accelerator pedal signals also control signals Generate actuator, which via the bus system to the get first assembly and from this, possibly in processed form, via the communication line to the given second module for controlling the actuator can be.
- a particular advantage here is that that the current engine operating condition when controlling the Actuator is taken into account.
- both in the first and in the second assembly monitoring and emergency control functions to be provided, which in the event of failure or malfunction of one Assembly enables emergency operation of the vehicle.
- Mutual monitoring of the Functions of the first and second assembly via the Communication line are provided.
- a redundant design within each module individual functions for example the redundant evaluation of preferably several Position sensors, for example on the accelerator pedal.
- Figure 1 shows a second assembly (4), which one Actuator (7) designed to actuate the Actuator (6) for adjusting the air supply one not controls motor vehicle engine shown.
- a position sensor is connected to the actuator (6) (8), which supplies the second module (4) with signals, which the current position of the actuator (6) represent.
- the second module (4) is a bidirectional one Data line executed communication line (5) with a first assembly (3) connected.
- the first module (3) receives signals from at least one sensor connected to an accelerator pedal (1) (2).
- the first module (3) is via a communication channel to a further module (10) or via a bus system (9) connected to several other modules (10, 11, 12).
- modules (10, 11, 12) These are an assembly for motor control (10), which in particular the ignition and injection of the Motor vehicle engine controls, as well as further assemblies (11, 12) execute the driving state special functions, such as Example of a traction control system, a Speed controller and / or an electronically controlled Automatic transmission.
- FIG. 2 shows a block diagram of the first assembly (3).
- This module receives the signals from two with the Accelerator pedal (1) connected position sensors (2a, 2b) fed.
- the position sensors (2a, 2b) can for example as two potentiometers or as one Potentiometer and a switch can be executed, the second sensor (2b) for function monitoring of the first Sensor (2a) is used.
- Particularly advantageous regarding a long life and a short one It is susceptible to failure if at least one of the Accelerator pedal position sensors (2a, 2b) as a contactless sensor is executed.
- the signals from the accelerator pedal position sensors (2a, 2b) are via signal processing modules (18a, 18b) Microcomputer (13a) supplied.
- This microcomputer is in Data exchange with a communication controller (13b) or takes over (with corresponding computing power of the Microcomputers) themselves this function.
- the communication controller (13b) in turn gives and receives via the interface (14b) data from the Communication channel or the bus system (9).
- the Communication line (5) is very simple and can directly from the microcomputer via the interface (14a) (13a) can be controlled. Since the interface (14b) the only connection of the modules (3, 4) to Communication channel or bus system (9) must be Adaptation of these modules (3, 4) to different types Communication channels or bus systems only one Adaptation of the communication controller (13b) and / or the Interface (14b) can be made, which is only one comparatively minor effort means. The remaining Components of both assemblies (3, 4), however, are universal usable.
- a voltage supply module (15) which, via the ignition switch (17) to the Vehicle electrical system (16) is switched.
- the second assembly (4) shown in FIG. 3 has a structure comparable to the first assembly (3).
- the central component is a microcomputer (22). This is here with only one interface module (20) connected and provides the data connection Communication line (5) ago.
- the module receives this communication line (5) (4) signals for actuating the actuator (6).
- the assembly (4) is also on the Communication line (5) signals about the current position of the actuator (6) to the assembly (3).
- the position sensor connected to the actuator (6) (8) transmits signals about the current actuator position the signal processing module (19) to the microcomputer (22).
- the at least one accelerator pedal position sensor (2, 2a, 2b) gives a corresponding to the actuation of the accelerator pedal (1) Signal to the first module (3), which a this signal corresponding signal or date on the communication channel or the bus system (9) there. This signal or date gets to the modules for the engine control (10) and to the modules for the special driving state functions (11, 12).
- modules for special driving state functions (11, 12) are based on the input data of these functions Accelerator pedal signal interpreted driver request and in possibly modified form on the Communication channel or the bus system forwarded.
- This driver request is in the engine control module (10) based on characteristic curves or maps or Calculation rules in a control signal for adjustment the actuator (6) converted.
- This request signal comes through the Communication channel or the bus system (9) to the first Module (3) which a this request signal corresponding serial signal via the Communication line (5) to the second module (4) passes on, which in turn then the actuator (7) of the Actuator (6) controls these signals accordingly.
- the position sensor (8) generates a feedback signal via the current position of the actuator (6), which is the second Module (4) via the communication line (5) to the first assembly (3) for checking the correctness of the after the actuator has been actuated.
- the assemblies (3, 4) contain especially for the vehicle security-related tasks. Checkable for one safe operation of the vehicle can be found in the programs of the Microcomputers (13a, 22) functions for mutual Check may be provided, the modules (3, 4) for Purpose of this review test signals over the Exchange communication line (5).
- test signals are not influenced by the load on the bus system (9) can.
- each of the two modules (3, 4) can also Emergency functions are implemented, which in the event of failure of Assemblies (3, 4, 10) or communication lines (5, 9) enable emergency operation of the vehicle.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Description
- Figur 1
- ein Blockschaltbild eines erfindungsgemäßen Ansteuerungssystems;
- Figur 2
- ein Blockschaltbild der ersten Baugruppe;
- Figur 3
- ein Blockschaltbild der zweiten Baugruppe.
Claims (20)
- System zur Ansteuerung eines Stellgliedes zur Einstellung der Luftzufuhr eines Kraftfahrzeugmotors, mit einem Fahrpedal (1), mit mindestens einem Fahrpedalpositionssensor (2, 2a, 2b) zur Sensierung der aktuellen Fahrpedalposition und mit einer ersten elektronischen Baugruppe (3) zur Aufbereitung der Signale des mindestens einen Fahrpedalpositionssensors (2, 2a, 2b) und mit einem Stellglied (6) zur Einstellung der Luftzufuhr eines Kraftfahrzeugmotors, mit einem Aktuator (7) zur Betätigung des Stellgliedes (6), mit einem Positionssensor (8) zur Sensierung der aktuellen Position des Stellgliedes (6), mit einer zweiten elektronischen Baugruppe (4), welche den Aktuator (7) ansteuert und die Signale des Positionssensors (8) auswertet oder aufbereitet, wobei die erste und die zweite elektronische Baugruppe (3, 4) mittels einer Kommunikationsleitung (5) in Verbindung stehen und eine der Baugruppen (3) über einen Kommunikationskanal mit mindestens einer weiteren Baugruppe (10) in Verbindung steht, dadurch gekennzeichnet, daß die zweite Baugruppe (4) über die Kommunikationsleltung (5) Signale an die erste Baugruppe (3) gibt, die die aktuelle Position des Stellgliedes (6) repräsentieren.
- Ansteuerungssystem nach Anspruch 1, dadurch gekennzeichnet, daß die erste Baugruppe (3) mit der weiteren Baugruppe (10) in Verbindung steht.
- Ansteuerungssystem nach Anspruch 1, dadurch gekennzeichnet, daß die Kommunikationsleitung (5) als bidirektionale Datenleitung ausgeführt ist.
- Ansteuerungssystem nach Anspruch 1, dadurch gekennzeichnet, daß der Kommunikationskanal als bidirektionales Bussystem (9) ausgeführt ist.
- Ansteuerungssystem nach Anspruch 1, dadurch gekennzeichnet, daß die mindestens eine weitere Baugruppe eine Baugruppe (10) zur Steuerung des Kraftfahrzeugmotors ist.
- Ansteuerungssystem nach Anspruch 5, dadurch gekennzeichnet, daß die Baugruppe zur Motorsteuerung (10) die Zündung und Einspritzung des Kraftfahrzeugmotors steuert.
- Ansteuerungssystem nach Anspruch 5, dadurch gekennzeichnet, daß innerhalb der Baugruppe zur Motorsteuerung (10) eine Kennlinie, ein Kennfeld und/oder eine Rechenvorschrift abgespeichert ist, die den Zusammenhang zwischen der Position des Fahrpedales (1) und der Position des Stellgliedes (6) darstellt.
- Ansteuerungssystem nach Anspruch 5 oder 6, dadurch gekennzeichnet, daß in der Baugruppe zur Motorsteuerung (10) auch Fahrzustandssonderfunktionen realisiert sind.
- Ansteuerungssystem nach Anspruch 4, dadurch gekennzeichnet, daß an das Bussystem (9) mindestens eine weitere Baugruppe (11, 12) angeschlossen ist, welche Fahrzustandssonderfunktionen realisiert.
- Ansteuerungssystem nach Anspruch 8 oder 9, dadurch gekennzeichnet, daß zu den Fahrzustandssonderfunktionen ein Antriebsschlupfregelung gehört.
- Ansteuerungssystem nach Anspruch 8 oder 9, dadurch gekennzeichnet, daß zu den Fahrzustandssonderfunktionen ein Geschwindigkeitsregler gehört.
- Ansteuerungssystem nach Anspruch 8 oder 9, dadurch gekennzeichnet, daß eine der Baugruppen durch ein elektronisch gesteuertes Automatikgetriebe ausgebildet ist.
- Ansteuerungssystem nach Anspruch 1, dadurch gekennzeichnet, daß sowohl die erste Baugruppe (3) als auch die zweite Baugruppe (4) einen Mikrocomputerbaustein (13a, 22) aufweisen.
- Ansteuerungssystem nach Anspruch 13, dadurch gekennzeichnet, daß sich beide Mikrocomputerbausteine (13a, 22) gegenseitig überwachen.
- Ansteuerungssystem nach Anspruch 1, dadurch gekennzeichnet, daß die erste Baugruppe (3) über die Kommunikationsleitung (5) Signale an die zweite Baugruppe (4) gibt, welche die vom Stellglied (6) einzustellende Position oder Positionsänderung repräsentieren.
- Ansteuerungssystem nach Anspruch 1, dadurch gekennzeichnet, daß in den Baugruppen (3, 4) von der Motorsteuerung (10) unabhängige Notlauffunktionen zur Betätigung des Stellgliedes (6) im Fehlerfall realisiert sind.
- Ansteuerungssystem nach Anspruch 1, dadurch gekennzeichnet, daß die erste Baugruppe die Signale von mindestens zwei mit dem Fahrpedal (1) gekoppelten Sensoren 82, 2a, 2b) auswertet.
- Ansteuerungssystem nach Anspruch 17, dadurch gekennzeichnet, daß mindestens einer derr Fahrpedalsensoren (2, 2a, 2b) als kontaktloserr Sensor ausgeführt ist.
- Ansteuerungssystem nach Anspruch 1, dadurch gekennzeichnet, daß der mit dem Stellglied (6) gekoppelte Positionssensor (8) als kontaktloser Sensor ausgeführt ist.
- Ansteuerungssystem nach Anspruch 1, dadurch gekennzeichnet, daß die Fahrpedalsensoren (2, 2a, 2b) mit der ersten Baugruppe (3) eine Baueinheit bilden.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4327455A DE4327455A1 (de) | 1993-08-16 | 1993-08-16 | System zur Ansteuerung eines Stellgliedes zur Einstellung der Luftzufuhr eines Kraftfahrzeugmotors |
DE4327455 | 1993-08-16 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0639706A2 EP0639706A2 (de) | 1995-02-22 |
EP0639706A3 EP0639706A3 (de) | 1998-05-13 |
EP0639706B1 true EP0639706B1 (de) | 2000-12-13 |
Family
ID=6495270
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP94112010A Revoked EP0639706B1 (de) | 1993-08-16 | 1994-08-02 | System zur Ansteuerung eines Stellglieds zur Einstellung der Luftzufuhr eines Kraftfahrzeugmotors |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0639706B1 (de) |
DE (2) | DE4327455A1 (de) |
ES (1) | ES2154278T3 (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19522993A1 (de) * | 1995-06-24 | 1997-01-02 | Abb Daimler Benz Transp | Fahrzeug Leitsystem |
US5673668A (en) * | 1996-08-05 | 1997-10-07 | Ford Global Technologies, Inc. | Method and apparatus for electronic throttle monitoring |
DE19744039A1 (de) * | 1997-10-06 | 1999-04-08 | Mannesmann Vdo Ag | Überwachungsverfahren für Vorgabewerte für eine Motorsteuerelektronik |
DE19750736A1 (de) * | 1997-11-15 | 1999-05-20 | Volkswagen Ag | Steuerungssystem und -verfahren für mehrere durch den Fahrer aktivierbare Module in einem Fahrzeug |
JP2003515697A (ja) | 1999-11-30 | 2003-05-07 | シーメンス アクチエンゲゼルシヤフト | 内燃機関用の制御装置、内燃機関の調整素子用の制御ユニット及び内燃機関の制御方法 |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3412318A1 (de) * | 1984-04-03 | 1985-10-10 | Westfälische Metall Industrie KG Hueck & Co, 4780 Lippstadt | Sollwertgeber einer vorrichtung zum einstellen der fahrgeschwindigkeit eines fahrzeuges |
US4779696A (en) * | 1986-07-24 | 1988-10-25 | Mazda Motor Corporation | Vehicle slip control apparatus |
DE3700986C2 (de) * | 1987-01-15 | 1995-04-20 | Bosch Gmbh Robert | Einrichtung zur Überwachung eines Rechnersystems mit zwei Prozessoren in einem Kraftfahrzeug |
ES2019672B3 (es) * | 1987-04-09 | 1991-07-01 | Siemens Ag | Instalacion para el mando del aire de aspiracion en un motor de combustion interna |
DE3814702A1 (de) * | 1987-11-12 | 1989-05-24 | Bosch Gmbh Robert | Vorrichtung zum betaetigen der drosselklappe einer brennkraftmaschine insbesondere eines kraftfahrzeuges |
DE3803078C2 (de) * | 1988-02-03 | 2000-11-02 | Bosch Gmbh Robert | Verfahren und Einrichtung zur Positionsüberwachung eines elektrischen Ist-Positionsgebers |
JPH085347B2 (ja) * | 1988-04-28 | 1996-01-24 | 三菱電機株式会社 | 車両用定速走行装置 |
JPH01162055U (de) * | 1988-04-30 | 1989-11-10 | ||
JP2748488B2 (ja) * | 1989-01-18 | 1998-05-06 | 株式会社デンソー | スロットル開度制御装置 |
JPH02246841A (ja) * | 1989-03-17 | 1990-10-02 | Hitachi Ltd | 自動車の制御装置及び制御方法 |
US5048481A (en) * | 1989-12-15 | 1991-09-17 | Eaton Corporation | Throttle actuator safety method for automated transmission |
JP2855280B2 (ja) * | 1990-02-22 | 1999-02-10 | マツダ株式会社 | 車両のスリップ制御装置 |
DE4015415B4 (de) * | 1990-05-14 | 2004-04-29 | Robert Bosch Gmbh | Vorrichtung zur Erfassung eines veränderlichen Betriebsparameters |
DE4120419C2 (de) * | 1990-06-21 | 1995-01-26 | Mazda Motor | Traktionssteuereinrichtung für ein Kraftfahrzeug |
DE4024018A1 (de) * | 1990-07-28 | 1992-01-30 | Bosch Gmbh Robert | Stellungsgeber fuer gaspedal |
DE4037092A1 (de) * | 1990-11-22 | 1992-05-27 | Zahnradfabrik Friedrichshafen | Verfahren zur steuerung des drehmoments einer brennkraftmaschine |
DE4040219A1 (de) * | 1990-12-15 | 1992-06-17 | Bosch Gmbh Robert | System zur messwerterfassung im bereich eines kraftfahrzeugs |
DE4133268A1 (de) * | 1991-10-08 | 1993-04-15 | Bosch Gmbh Robert | Vorrichtung zur steuerung der antriebsleistung eines fahrzeuges |
DE4220246A1 (de) * | 1992-06-20 | 1993-12-23 | Bosch Gmbh Robert | Einrichtung zur Steuerung einer Verstelleinrichtung in einem Flugzeug |
DE4220247A1 (de) * | 1992-06-20 | 1993-12-23 | Bosch Gmbh Robert | Steuereinrichtung für Fahrzeuge |
-
1993
- 1993-08-16 DE DE4327455A patent/DE4327455A1/de not_active Withdrawn
-
1994
- 1994-08-02 ES ES94112010T patent/ES2154278T3/es not_active Expired - Lifetime
- 1994-08-02 DE DE59409606T patent/DE59409606D1/de not_active Revoked
- 1994-08-02 EP EP94112010A patent/EP0639706B1/de not_active Revoked
Also Published As
Publication number | Publication date |
---|---|
EP0639706A3 (de) | 1998-05-13 |
DE59409606D1 (de) | 2001-01-18 |
ES2154278T3 (es) | 2001-04-01 |
EP0639706A2 (de) | 1995-02-22 |
DE4327455A1 (de) | 1995-02-23 |
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