DE102015108459A1 - Verfahren und Systeme für die Kraftstoff-Ethanolinhaltbestimmung über einen Sauerstoffsensor - Google Patents

Verfahren und Systeme für die Kraftstoff-Ethanolinhaltbestimmung über einen Sauerstoffsensor Download PDF

Info

Publication number
DE102015108459A1
DE102015108459A1 DE102015108459.7A DE102015108459A DE102015108459A1 DE 102015108459 A1 DE102015108459 A1 DE 102015108459A1 DE 102015108459 A DE102015108459 A DE 102015108459A DE 102015108459 A1 DE102015108459 A1 DE 102015108459A1
Authority
DE
Germany
Prior art keywords
output
sensor
oxygen
engine
fuel
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.)
Pending
Application number
DE102015108459.7A
Other languages
German (de)
English (en)
Inventor
Gopichandra Surnilla
Daniel A. Makled
Richard E. Soltis
Jacobus Hendrik Visser
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
Priority claimed from US14/297,301 external-priority patent/US9376968B2/en
Application filed by Ford Global Technologies LLC filed Critical Ford Global Technologies LLC
Publication of DE102015108459A1 publication Critical patent/DE102015108459A1/de
Pending legal-status Critical Current

Links

Images

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D19/00Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
    • F02D19/06Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
    • F02D19/0626Measuring or estimating parameters related to the fuel supply system
    • F02D19/0634Determining a density, viscosity, composition or concentration
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D19/00Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
    • F02D19/06Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
    • F02D19/08Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed simultaneously using pluralities of fuels
    • F02D19/082Premixed fuels, i.e. emulsions or blends
    • F02D19/085Control based on the fuel type or composition
    • F02D19/087Control based on the fuel type or composition with determination of densities, viscosities, composition, concentration or mixture ratios of fuels
    • F02D19/088Control based on the fuel type or composition with determination of densities, viscosities, composition, concentration or mixture ratios of fuels by estimation, i.e. without using direct measurements of a corresponding sensor
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D19/00Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
    • F02D19/06Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
    • F02D19/08Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed simultaneously using pluralities of fuels
    • F02D19/082Premixed fuels, i.e. emulsions or blends
    • F02D19/084Blends of gasoline and alcohols, e.g. E85
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D19/00Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
    • F02D19/06Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
    • F02D19/08Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed simultaneously using pluralities of fuels
    • F02D19/082Premixed fuels, i.e. emulsions or blends
    • F02D19/085Control based on the fuel type or composition
    • F02D19/087Control based on the fuel type or composition with determination of densities, viscosities, composition, concentration or mixture ratios of fuels
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D41/00Electrical control of supply of combustible mixture or its constituents
    • F02D41/0025Controlling engines characterised by use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D41/00Electrical control of supply of combustible mixture or its constituents
    • F02D41/02Circuit arrangements for generating control signals
    • F02D41/14Introducing closed-loop corrections
    • F02D41/1438Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
    • F02D41/1444Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases
    • F02D41/1454Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases the characteristics being an oxygen content or concentration or the air-fuel ratio
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D41/00Electrical control of supply of combustible mixture or its constituents
    • F02D41/02Circuit arrangements for generating control signals
    • F02D41/14Introducing closed-loop corrections
    • F02D41/1438Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
    • F02D41/1444Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases
    • F02D41/1454Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases the characteristics being an oxygen content or concentration or the air-fuel ratio
    • F02D41/1456Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases the characteristics being an oxygen content or concentration or the air-fuel ratio with sensor output signal being linear or quasi-linear with the concentration of oxygen
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D41/00Electrical control of supply of combustible mixture or its constituents
    • F02D41/02Circuit arrangements for generating control signals
    • F02D41/14Introducing closed-loop corrections
    • F02D41/1438Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
    • F02D41/1493Details
    • F02D41/1496Measurement of the conductivity of a sensor
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D41/00Electrical control of supply of combustible mixture or its constituents
    • F02D41/24Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means
    • F02D41/2406Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using essentially read only memories
    • F02D41/2425Particular ways of programming the data
    • F02D41/2429Methods of calibrating or learning
    • F02D41/2438Active learning methods
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D41/00Electrical control of supply of combustible mixture or its constituents
    • F02D41/24Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means
    • F02D41/2406Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using essentially read only memories
    • F02D41/2425Particular ways of programming the data
    • F02D41/2429Methods of calibrating or learning
    • F02D41/2451Methods of calibrating or learning characterised by what is learned or calibrated
    • F02D41/2474Characteristics of sensors
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10Air intakes; Induction systems
    • F02M35/10373Sensors for intake systems
    • F02M35/10393Sensors for intake systems for characterising a multi-component mixture, e.g. for the composition such as humidity, density or viscosity
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M15/00Testing of engines
    • G01M15/04Testing internal-combustion engines
    • G01M15/10Testing internal-combustion engines by monitoring exhaust gases or combustion flame
    • G01M15/102Testing internal-combustion engines by monitoring exhaust gases or combustion flame by monitoring exhaust gases
    • G01M15/104Testing internal-combustion engines by monitoring exhaust gases or combustion flame by monitoring exhaust gases using oxygen or lambda-sensors
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02BINTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B75/00Other engines
    • F02B75/12Other methods of operation
    • F02B2075/125Direct injection in the combustion chamber for spark ignition engines, i.e. not in pre-combustion chamber
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D13/00Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing
    • F02D13/02Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing during engine operation
    • F02D13/0203Variable control of intake and exhaust valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D2200/00Input parameters for engine control
    • F02D2200/02Input parameters for engine control the parameters being related to the engine
    • F02D2200/06Fuel or fuel supply system parameters
    • F02D2200/0611Fuel type, fuel composition or fuel quality
    • F02D2200/0612Fuel type, fuel composition or fuel quality determined by estimation
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D41/00Electrical control of supply of combustible mixture or its constituents
    • F02D41/02Circuit arrangements for generating control signals
    • F02D41/04Introducing corrections for particular operating conditions
    • F02D41/12Introducing corrections for particular operating conditions for deceleration
    • F02D41/123Introducing corrections for particular operating conditions for deceleration the fuel injection being cut-off
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02DCONTROLLING COMBUSTION ENGINES
    • F02D41/00Electrical control of supply of combustible mixture or its constituents
    • F02D41/02Circuit arrangements for generating control signals
    • F02D41/14Introducing closed-loop corrections
    • F02D41/1438Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
    • F02D41/1439Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the position of the sensor
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02MSUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M26/00Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
    • F02M26/45Sensors specially adapted for EGR systems
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/10Internal combustion engine [ICE] based vehicles
    • Y02T10/30Use of alternative fuels, e.g. biofuels

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Analytical Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Emergency Medicine (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Output Control And Ontrol Of Special Type Engine (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
DE102015108459.7A 2014-06-05 2015-05-28 Verfahren und Systeme für die Kraftstoff-Ethanolinhaltbestimmung über einen Sauerstoffsensor Pending DE102015108459A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US14/297,301 US9376968B2 (en) 2014-01-09 2014-06-05 Methods and systems for fuel ethanol content determination via an oxygen sensor
US14/297,301 2014-06-05

Publications (1)

Publication Number Publication Date
DE102015108459A1 true DE102015108459A1 (de) 2015-12-10

Family

ID=54549011

Family Applications (1)

Application Number Title Priority Date Filing Date
DE102015108459.7A Pending DE102015108459A1 (de) 2014-06-05 2015-05-28 Verfahren und Systeme für die Kraftstoff-Ethanolinhaltbestimmung über einen Sauerstoffsensor

Country Status (3)

Country Link
CN (1) CN105298661B (zh)
DE (1) DE102015108459A1 (zh)
RU (1) RU2691275C2 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016207516B4 (de) 2016-05-02 2021-10-28 Vitesco Technologies GmbH Verfahren zur Alterungsbestimmung einer zur Ermittlung einer Gaskonzentration eines Gasgemischs ausgebildeten Sonde einer Brennkraftmaschine

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10316798B2 (en) * 2015-10-20 2019-06-11 Ford Global Technologies, Llc Method and system for determining knock control fluid composition

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5145566A (en) 1988-09-30 1992-09-08 Ford Motor Company Method for determining relative amount of oxygen containing gas in a gas mixture
US20120037134A1 (en) 2010-08-10 2012-02-16 Ford Global Technologies, Llc Method and system for exhaust gas recirculation control

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU966267A1 (ru) * 1981-01-08 1982-10-15 Научно-исследовательский и экспериментальный институт автомобильного электрооборудования и автоприборов Способ стабилизации стехиометрического состава смеси в двигателе внутреннего сгорани
US6695964B1 (en) * 1996-12-02 2004-02-24 Ngk Spark Plug Co., Ltd. Method and apparatus for measuring NOx gas concentration
JP2007009903A (ja) * 2005-06-01 2007-01-18 Toyota Motor Corp 内燃機関の燃料噴射量制御装置
CN101523036B (zh) * 2006-10-12 2012-05-30 丰田自动车株式会社 多缸内燃机的空燃比控制装置
JP2009150264A (ja) * 2007-12-19 2009-07-09 Toyota Motor Corp 内燃機関の空燃比制御装置
JP5009891B2 (ja) * 2008-10-29 2012-08-22 本田技研工業株式会社 多種燃料エンジンの燃料噴射制御装置
JP5021697B2 (ja) * 2009-06-05 2012-09-12 日本特殊陶業株式会社 ガス濃度湿度検出装置
US8495996B2 (en) * 2009-12-04 2013-07-30 Ford Global Technologies, Llc Fuel alcohol content detection via an exhaust gas sensor
US8763594B2 (en) * 2009-12-04 2014-07-01 Ford Global Technologies, Llc Humidity and fuel alcohol content estimation
US9404432B2 (en) * 2014-01-09 2016-08-02 Ford Global Technologies, Llc Methods and systems for fuel ethanol content determination via an oxygen sensor

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5145566A (en) 1988-09-30 1992-09-08 Ford Motor Company Method for determining relative amount of oxygen containing gas in a gas mixture
US20120037134A1 (en) 2010-08-10 2012-02-16 Ford Global Technologies, Llc Method and system for exhaust gas recirculation control

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016207516B4 (de) 2016-05-02 2021-10-28 Vitesco Technologies GmbH Verfahren zur Alterungsbestimmung einer zur Ermittlung einer Gaskonzentration eines Gasgemischs ausgebildeten Sonde einer Brennkraftmaschine

Also Published As

Publication number Publication date
CN105298661B (zh) 2019-12-27
CN105298661A (zh) 2016-02-03
RU2015120224A3 (zh) 2018-12-24
RU2691275C2 (ru) 2019-06-11
RU2015120224A (ru) 2016-12-20

Similar Documents

Publication Publication Date Title
DE102014119377B4 (de) Verfahren und Systeme für die Kraftstoff-Ethanolgehaltsbestimmung durch einen Sauerstoffsensor
US8887706B2 (en) Humidity and fuel alcohol content estimation
CN105909397B (zh) 用于燃料乙醇含量估计和发动机控制的方法和系统
DE102014220045B4 (de) Verfahren und systeme für einen einlasssauerstoffsensor
DE102010021281A1 (de) Detektion von Kraftstoffalkoholgehalt mittels eines Abgassensors
DE102014218971B4 (de) Verfahren und Systeme für die Feuchtigkeits- und PCV-Strömungsdetektion über einen Abgassensor
DE102010003197A1 (de) AGR-Erfassung über Feuchtigkeitserfassung
US9376968B2 (en) Methods and systems for fuel ethanol content determination via an oxygen sensor
CN105909408B (zh) 经由氧传感器进行湿度确定的方法和系统
DE102015119163A1 (de) Sauerstoffsensorsteuerung basierend auf Wasserkontakt
CN105526019B (zh) 操作可变电压氧传感器的方法和系统
DE102016119133A1 (de) Verfahren und System zum Bestimmen der Klopfregelungsflüssigkeitszusammensetzung
DE102014216243A1 (de) Schätzung von feuchtigkeit und kraftstoffalkoholgehalt
DE102018128015A1 (de) Systeme und verfahren zum reduzieren einer anspringzeit einer lambdasonde
DE102015117119A1 (de) Ausgleichen der Alterung von Sauerstoffsensoren
DE102016119132A1 (de) Verfahren und System zum Bestimmen der Klopfregelungsflüssigkeitszusammensetzung
DE102017105761A1 (de) Verfahren und systeme zur kraftmaschinenkraftstoff- und - drehmomentsteuerung
DE102018104983A1 (de) Verfahren und Systeme zur Erkennung einer Beeinträchtigung einer Lambdasonde aufgrund ausgasenden Dichmittels
DE102016102613B4 (de) Verfahren und Systeme zum Schätzen eines Luft-Kraftstoff-Verhältnisses mit einem Sauerstoffsensor mit variabler Spannung
DE102016122185A1 (de) Verfahren und System zum Bestimmen der Zusammensetzung eines Klopfsteuerfluids
DE102016103633B4 (de) Verfahren und Systeme zum Schätzen des Abgasdrucks mit einem Sauerstoffsensor mit variabler Spannung
DE102017105770A1 (de) Verfahren und systeme zur kraftmaschinenkraftstoff- und - drehmomentsteuerung
DE102017124205A1 (de) Verfahren und system zur abgasrückführungsschätzung über eine lambdasonde
US9926872B2 (en) Methods and systems for estimating ambient pressure using an oxygen sensor
DE102017100399A1 (de) Verfahren und systeme zum schätzen eines luft-kraftstoff-verhältnisses mit einem sauerstoffsensor mit variabler spannung

Legal Events

Date Code Title Description
R012 Request for examination validly filed