EP0860596A3 - Method for controlling the smooth running of an internal combustion engine - Google Patents

Method for controlling the smooth running of an internal combustion engine Download PDF

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Publication number
EP0860596A3
EP0860596A3 EP98101982A EP98101982A EP0860596A3 EP 0860596 A3 EP0860596 A3 EP 0860596A3 EP 98101982 A EP98101982 A EP 98101982A EP 98101982 A EP98101982 A EP 98101982A EP 0860596 A3 EP0860596 A3 EP 0860596A3
Authority
EP
European Patent Office
Prior art keywords
running
internal combustion
combustion engine
uneven
manipulated variable
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
EP98101982A
Other languages
German (de)
French (fr)
Other versions
EP0860596B1 (en
EP0860596A2 (en
Inventor
Guido Dickers
Patrick Dr. Phlips
Manfred Henning
Klemens Grieser
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.)
Ford Global Technologies LLC
Original Assignee
Ford Global Technologies LLC
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 Ford Global Technologies LLC filed Critical Ford Global Technologies LLC
Publication of EP0860596A2 publication Critical patent/EP0860596A2/en
Publication of EP0860596A3 publication Critical patent/EP0860596A3/en
Application granted granted Critical
Publication of EP0860596B1 publication Critical patent/EP0860596B1/en
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
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/14—Introducing closed-loop corrections
    • F02D41/1497—With detection of the mechanical response of the engine

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
  • Output Control And Ontrol Of Special Type Engine (AREA)

Abstract

Ein Verfahren zur Regelung der Laufruhe eines Mehrzylinder-Verbrennungsmotors abhängig von einem Meßwert der Laufunruhe mit einer über eine Regeleinrichtung regelbaren Stellgröße zur Beeinflussung des Laufruheverhaltens ist dadurch gekennzeichnet, daß die Stellgröße in kleinen Schritten in Richtung einer vergrößerten Laufunruhe verstellt wird, wenn der Meßwert der Laufunruhe einen ruhigeren Lauf als ein vorgegebener Schwellwert für die Laufunruhe anzeigt, und daß die Stellgröße in einem größeren Schritt in Richtung einer verkleinerten Laufunruhe verstellt wird, wenn der Meßwert der Laufunruhe einen unruhigeren Lauf als der Schwellwert anzeigt. Als Stellgröße wird vorzugsweise das Luft-/Kraftstoffverhältnis eines Verbrennungsmotorgemisches verwendet. Damit kann der Verbrennungsmotor nahe an der Laufunruheschwelle betrieben werden, wobei eine schnelle Anpassung an sich verändernde Motorbetriebsbedingungen gewährleistet ist. Insbesondere im Magerbetrieb des Motors können so die Stickoxidrohemissionen reduziert werden.

Figure 00000001
A method for regulating the smooth running of a multi-cylinder internal combustion engine as a function of a measured value of the rough running with a manipulated variable that can be controlled via a control device to influence the smooth running behavior is characterized in that the manipulated variable is adjusted in small steps in the direction of increased smooth running when the measured value of the rough running indicates a calmer run than a predetermined threshold value for uneven running, and that the manipulated variable is adjusted in a larger step in the direction of reduced uneven running if the measured value of the uneven running indicates a more uneven run than the threshold value. The air / fuel ratio of an internal combustion engine mixture is preferably used as the manipulated variable. The internal combustion engine can thus be operated close to the uneven running threshold, with rapid adaptation to changing engine operating conditions being ensured. In this way, the raw nitrogen oxide emissions can be reduced, in particular when the engine is lean.
Figure 00000001
EP98101982A 1997-02-21 1998-02-05 Method for controlling the smooth running of an internal combustion engine Expired - Lifetime EP0860596B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19706807A DE19706807C2 (en) 1997-02-21 1997-02-21 Process for controlling the smooth running of an internal combustion engine
DE19706807 1997-02-21

Publications (3)

Publication Number Publication Date
EP0860596A2 EP0860596A2 (en) 1998-08-26
EP0860596A3 true EP0860596A3 (en) 2000-01-26
EP0860596B1 EP0860596B1 (en) 2003-05-07

Family

ID=7820986

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98101982A Expired - Lifetime EP0860596B1 (en) 1997-02-21 1998-02-05 Method for controlling the smooth running of an internal combustion engine

Country Status (2)

Country Link
EP (1) EP0860596B1 (en)
DE (2) DE19706807C2 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19945811A1 (en) * 1999-09-24 2001-03-29 Bosch Gmbh Robert Misfire detection method
DE10001583C2 (en) * 2000-01-17 2002-03-21 Bosch Gmbh Robert Method and device for monitoring the function of a gas flow control element, in particular a swirl cap, in an internal combustion engine
DE10051184A1 (en) * 2000-10-16 2002-04-25 Volkswagen Ag Method for controlling a lean-burn internal combustion engine
DE102005010289B4 (en) * 2005-03-02 2014-10-23 Volkswagen Ag Method for controlling operation of a hybrid drive and hybrid drive

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3224042A1 (en) * 1982-06-28 1983-12-29 Volkswagenwerk Ag, 3180 Wolfsburg Method for engine speed stabilisation, in particular at idling speed, of an internal combustion engine
JPS6187944A (en) * 1984-10-05 1986-05-06 Mazda Motor Corp Control device for engine
DE3831080A1 (en) * 1987-09-23 1989-04-06 Volkswagen Ag Exhaust gas recirculation for an internal combustion engine
DE4230344A1 (en) * 1991-09-12 1993-03-25 Japan Electronic Control Syst AIR / FUEL RATIO CONTROL SYSTEM FOR AN INTERNAL COMBUSTION ENGINE
US5458102A (en) * 1993-04-05 1995-10-17 Unisia Jecs Corporation Air fuel ratio control system
DE19614568A1 (en) * 1995-04-12 1996-10-17 Honda Motor Co Ltd Control device for an internal combustion engine

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5021956A (en) * 1988-04-25 1991-06-04 Mazda Motor Corporation Control systems for vehicle engines coupled with automatic transmissions

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3224042A1 (en) * 1982-06-28 1983-12-29 Volkswagenwerk Ag, 3180 Wolfsburg Method for engine speed stabilisation, in particular at idling speed, of an internal combustion engine
JPS6187944A (en) * 1984-10-05 1986-05-06 Mazda Motor Corp Control device for engine
DE3831080A1 (en) * 1987-09-23 1989-04-06 Volkswagen Ag Exhaust gas recirculation for an internal combustion engine
DE4230344A1 (en) * 1991-09-12 1993-03-25 Japan Electronic Control Syst AIR / FUEL RATIO CONTROL SYSTEM FOR AN INTERNAL COMBUSTION ENGINE
US5458102A (en) * 1993-04-05 1995-10-17 Unisia Jecs Corporation Air fuel ratio control system
DE19614568A1 (en) * 1995-04-12 1996-10-17 Honda Motor Co Ltd Control device for an internal combustion engine

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 010, no. 265 (M - 515) 10 September 1986 (1986-09-10) *

Also Published As

Publication number Publication date
EP0860596B1 (en) 2003-05-07
DE19706807C2 (en) 1999-01-28
DE19706807A1 (en) 1998-08-27
DE59808206D1 (en) 2003-06-12
EP0860596A2 (en) 1998-08-26

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