EP1597469A1 - Procede, programme informatique et appareil de commande pour faire fonctionner un moteur a combustion interne - Google Patents

Procede, programme informatique et appareil de commande pour faire fonctionner un moteur a combustion interne

Info

Publication number
EP1597469A1
EP1597469A1 EP04712567A EP04712567A EP1597469A1 EP 1597469 A1 EP1597469 A1 EP 1597469A1 EP 04712567 A EP04712567 A EP 04712567A EP 04712567 A EP04712567 A EP 04712567A EP 1597469 A1 EP1597469 A1 EP 1597469A1
Authority
EP
European Patent Office
Prior art keywords
state
internal combustion
combustion engine
layer
operating
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
Application number
EP04712567A
Other languages
German (de)
English (en)
Other versions
EP1597469B1 (fr
Inventor
Karin Kienle
Martin Lunt
Christian Tischer
Andreas Traub
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP1597469A1 publication Critical patent/EP1597469A1/fr
Application granted granted Critical
Publication of EP1597469B1 publication Critical patent/EP1597469B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • 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
    • 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
    • F02D41/26—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using computer, e.g. microprocessor
    • F02D41/263—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using computer, e.g. microprocessor the program execution being modifiable by physical parameters
    • 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
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/14—Introducing closed-loop corrections
    • F02D41/1401—Introducing closed-loop corrections characterised by the control or regulation method
    • F02D2041/1411—Introducing closed-loop corrections characterised by the control or regulation method using a finite or infinite state machine, automaton or state graph for controlling or modelling

Definitions

  • the invention relates to a method for operating an internal combustion engine of a certain type according to a state machine.
  • the invention further relates to a computer program and a control device for performing this method.
  • State machines are generally known in the prior art and in particular in software development. Generally speaking, they depict different states of a system. The individual states of the system are represented by variables and the values assigned to them, which can be queried by software modules. State machines of this type, as shown in FIG. 4, are also known in principle for internal combustion engines; in this case, the state machines specify various possible operating states, represented by thick dots in FIG. 4, for operating the internal combustion engine of the specific type and allowable transitions between these operating states. The operating states in the state machines can be divided into several
  • Layers (l ... n, n + 1, ... N) can be grouped.
  • the layers are structured hierarchically in such a way that at least one layer n is followed by at least one further layer n + 1, which comprises at least one sub-operating state for an operating state assigned to layer n.
  • layer n and all layers upstream of it in the hierarchical structure of the state machine each represent operating states which the internal combustion engine of the specific type also has
  • Internal combustion engines of another type have in common and that the further layer as well as all layers downstream of it in the hierarchical structure of the state machine each represent operating states that are specific for the internal combustion engine of the specific type.
  • the Internal combustion engine has four layers.
  • the first layer represents an operating state "motor control”.
  • the operating state "driving motor” ' As sub-modes to the operating state “driving motor” ', in the second layer, the operating states of "Start”, "normal operation”, and
  • the third layer in turn defines sub-operating states for the operating states of layer 3. It includes the states “standby”, “ready”, “start phase”, “idle”, “accelerate”, “run down” and “end”.
  • the fourth layer includes the "pre-glow” or “not pre-glow” states as sub-operating states to the "ready" operating state in the third layer. It is important in this exemplary embodiment that the first to third layers represent operating states which are unspecific for the internal combustion engine of the specific type, and operating states are defined in the fourth layer which are specific for the internal combustion engine of the specific type.
  • the state machine is designed such that a transition between individual operating states represented by it is only possible under certain conditions are the subject of the subclaims. Furthermore, it is advantageous if the method is designed such that the state machine not only maps operating states of the internal combustion engine, but also various operating states of a control unit of the internal combustion engine.
  • the object of the invention is further achieved by a computer program for the control unit of the internal combustion engine and by the control unit itself.
  • FIGURES The invention is described in detail below with reference to FIGS. 1-4 accompanying the description, wherein
  • FIG. 1 shows the hierarchical basic structure of the state machine according to the invention
  • Figure 3 shows a control unit and an internal combustion engine
  • FIG. 4 general hierarchically structured layers of a state machine
  • FIG. 1 shows an example of a basic structure of a state machine 12 for controlling an internal combustion engine of a certain type in accordance with the claimed method.
  • FIG. 3 shows such an internal combustion engine of a certain type 20, which is controlled via a control device 10 in accordance with the state machine 12 stored therein.
  • a starter 15 controlled by the control unit 10 serves to start the internal combustion engine 20.
  • various operating states of the internal combustion engine are summarized, which specify the higher-level operating state “motor control”; these are the operating states “Standby” 2-7 (optional), “Start” 2-8, “Normal operation” 2-9 and “Follow-up” 2-10.
  • All the sub-operating states of the internal combustion engine, which serve to prepare the internal combustion engine for the start and to carry out the start, are summarized under the designation “start”. In these sub-operating conditions
  • the first to third layers n 1-3, insofar as they relate to the internal combustion engine and not to the control unit, only represent operating states which the internal combustion engine of a certain type, for example an Otto engine, with internal combustion engines of another type, for example with diesel engines , has in common.
  • the fourth layer mainly represents operating states that are specific to the internal combustion engine of certain types, diesel engines or Otto engines.
  • the "standby” state 2-7 is designed as an energy-saving mode in which certain electrically operated auxiliary units of the internal combustion engine can be switched off. In the concept of an energy-saving mode, communication in the "standby" state is possible via a network with other control devices.
  • the operating temperature of the internal combustion engine can be monitored, the fuel supply to the internal combustion engine can be advanced, the throttle valve spring can be monitored or the emergency shutdown can be tested.
  • the "standby" state is exited and the control of the internal combustion engine changes to a "tire" -State 3-1; the engine 20 can then be started immediately.
  • the starter 15 for the internal combustion engine is activated and a speed of the internal combustion engine that is greater than a predetermined one
  • Threshold value is ThrO, it is determined that this "tire" state 3-1 is exited and the internal combustion engine changes to the "start phase” state 3-2. Alternatively, if the "tire" state 3-1 occurs Ignition is switched off, no transition to the
  • the operating state of the internal combustion engine is a state in which the internal combustion engine is installed, or depending on the driving situation.
  • the starting point for considering the state machine 12 described is preferably a situation in which a computer or a microcontroller in the control unit 10, on which a computer program for executing the claimed and described method runs, is switched off. If the control device 10 is installed together with the internal combustion engine 20 in a vehicle, the computer is then, for example
  • Such a “switched off” state is designated by the reference number 1-1 in Figure 2. However, as soon as the driver's door in particular is opened, a switch is actuated which causes the control device 10 to leave this state 1-1 and into one "Resef 'state 1-2 to pass. During this state 1-2, the control unit 10 is put into a predefined initial state. The control unit 10 then automatically changes from the "resef" state 1-2 to the "booting" state 1-3, in which the control unit is started up. Within the "booting” state, the control unit 10 sequentially goes through the "pre-initialization” states. .
  • control unit 10 After completion of the “booting” state 1-1, the control unit 10 again automatically changes to the “initialization” state 1-4, with various adaptations and in particular pre-setting certain ones Variables take place. This is done by sequentially going through the states “standard boats” 2-4, “customer boats” 2-5 and “operating system preparation” 2-6. At the end of the “initialization” process, control unit 10 automatically goes into the state
  • the internal combustion engine is normally started after the ignition is switched on, as has been described in detail above.
  • various conditions are also preprogrammed, when the internal combustion engine does not enter the state from the “standby” state 2-7

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
  • Testing Of Engines (AREA)

Abstract

L'invention concerne un procédé pour commander un moteur à combustion interne (20) d'un type déterminé selon un automate à états (12). Selon le procédé de l'invention, un premier état de fonctionnement du moteur à combustion interne est d'abord réglé, lequel est associé à un niveau n de l'automate à états. Dans un niveau supplémentaire (n+1), des états de fonctionnement subordonnés à l'état de fonctionnement, déterminé précédemment, sont spécifiés par le procédé de l'invention. L'objectif de l'invention est de moderniser et de simplifier les procédés du type susmentionné, de sorte qu'ils puissent commander différents modèles de moteur à combustion interne (20). A cet effet, le procédé et l'automate à états sont conçus de manière à ce que l'automate à états comprenne au moins deux groupes de niveaux, le premier groupe représentant des niveaux d'états de fonctionnement, qui partage le moteur à combustion interne de type déterminé avec des moteurs à combustion interne d'un autre type, et le second groupe de niveaux représentant des états de fonctionnement spécifiques au moteur à combustion interne d'un certain modèle.
EP04712567A 2003-02-21 2004-02-19 Appareil de commande, programme informatique et automate d'etat dans un appareil de commande pour faire fonctionner un moteur a combustion interne Expired - Lifetime EP1597469B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10308459 2003-02-21
DE10308459A DE10308459A1 (de) 2003-02-21 2003-02-21 Verfahren, Computerprogramm und Steuergerät zum Betreiben einer Brennkraftmaschine
PCT/EP2004/050166 WO2004074665A1 (fr) 2003-02-21 2004-02-19 Procede, programme informatique et appareil de commande pour faire fonctionner un moteur a combustion interne

Publications (2)

Publication Number Publication Date
EP1597469A1 true EP1597469A1 (fr) 2005-11-23
EP1597469B1 EP1597469B1 (fr) 2012-08-01

Family

ID=32797770

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04712567A Expired - Lifetime EP1597469B1 (fr) 2003-02-21 2004-02-19 Appareil de commande, programme informatique et automate d'etat dans un appareil de commande pour faire fonctionner un moteur a combustion interne

Country Status (7)

Country Link
US (1) US7337060B2 (fr)
EP (1) EP1597469B1 (fr)
JP (1) JP4489754B2 (fr)
KR (1) KR101033079B1 (fr)
CN (1) CN100400835C (fr)
DE (1) DE10308459A1 (fr)
WO (1) WO2004074665A1 (fr)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008043389A1 (de) † 2008-11-03 2010-05-06 Zf Friedrichshafen Ag Verfahren zum Betreiben eines elektronischen Steuergerätes eines Fahrzeuges
DE102015208770A1 (de) 2015-05-12 2016-11-17 Robert Bosch Gmbh Kraftfahrzeug
CN108779729B (zh) 2015-10-14 2021-11-30 康明斯公司 用于控制内燃机的系统以及控制器
EP3362663A4 (fr) 2015-10-14 2019-06-26 Cummins, Inc. Systèmes et procédés de commande de moteur de valeurs de référence
WO2017065754A1 (fr) 2015-10-14 2017-04-20 Cummins Inc. Systèmes et procédés de commande de moteur par valeurs de référence
EP3362662B1 (fr) 2015-10-14 2024-09-18 Cummins Inc. Systèmes et procédés de commande de moteur de valeurs de référence
US10186789B1 (en) 2018-04-13 2019-01-22 Rustcraft Industries LLC Keyed cable and connector system
CN113942497B (zh) * 2021-10-18 2024-09-06 长春一汽富晟集团有限公司 一种影像融合泊车控制器状态机跳转方法

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JPS5925055A (ja) * 1982-08-03 1984-02-08 Nippon Denso Co Ltd 空燃比制御装置
US4658789A (en) * 1985-01-31 1987-04-21 Nissan Motor Company, Limited Ignition timing control system and method for an internal combustion engine
US4980845A (en) * 1985-08-23 1990-12-25 Snap-On Tools Corporation Digital engine analyzer
DE4111023C2 (de) * 1991-04-05 2003-11-20 Bosch Gmbh Robert Elektronisches System für ein Fahrzeug
DE19709318C2 (de) 1997-03-07 2000-08-31 Bosch Gmbh Robert Steuerungssystem für ein Fahrzeug
US6009372A (en) 1997-10-01 1999-12-28 Cummins Engine Company, Inc. Management of programming and memory space for an internal combustion engine control system
DE19751977C2 (de) * 1997-11-25 2001-02-01 Daimler Chrysler Ag Steuerung für den Ladedruck einer aufgeladenen Brennkraftmaschine
DE19850587A1 (de) 1998-11-03 2000-05-04 Bosch Gmbh Robert Verfahren zum Betreiben einer Brennkraftmaschine
DE19937194A1 (de) * 1999-08-06 2001-02-22 Bosch Gmbh Robert Verfahren zum Betreiben einer Brennkraftmaschine
JP2002347479A (ja) * 2001-05-29 2002-12-04 Denso Corp 車両統合制御システム

Non-Patent Citations (1)

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Also Published As

Publication number Publication date
US7337060B2 (en) 2008-02-26
CN1754039A (zh) 2006-03-29
US20070106452A1 (en) 2007-05-10
JP4489754B2 (ja) 2010-06-23
CN100400835C (zh) 2008-07-09
JP2006519951A (ja) 2006-08-31
DE10308459A1 (de) 2004-09-02
KR20050103231A (ko) 2005-10-27
EP1597469B1 (fr) 2012-08-01
WO2004074665A1 (fr) 2004-09-02
KR101033079B1 (ko) 2011-05-06

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