GB9419121D0 - Diagnostic technique for exhaust gas oxygen sensor operation - Google Patents

Diagnostic technique for exhaust gas oxygen sensor operation

Info

Publication number
GB9419121D0
GB9419121D0 GB9419121A GB9419121A GB9419121D0 GB 9419121 D0 GB9419121 D0 GB 9419121D0 GB 9419121 A GB9419121 A GB 9419121A GB 9419121 A GB9419121 A GB 9419121A GB 9419121 D0 GB9419121 D0 GB 9419121D0
Authority
GB
United Kingdom
Prior art keywords
exhaust gas
oxygen sensor
gas oxygen
sensor operation
diagnostic technique
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
GB9419121A
Other versions
GB2283320B (en
GB2283320A (en
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 Motor Co Ltd
Ford Motor Co
Original Assignee
Ford Motor Co Ltd
Ford Motor Co
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 Motor Co Ltd, Ford Motor Co filed Critical Ford Motor Co Ltd
Publication of GB9419121D0 publication Critical patent/GB9419121D0/en
Publication of GB2283320A publication Critical patent/GB2283320A/en
Application granted granted Critical
Publication of GB2283320B publication Critical patent/GB2283320B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • F02D41/1438—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
    • F02D41/1493—Details
    • F02D41/1495—Detection of abnormalities in the air/fuel ratio feedback system
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/26—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrochemical variables; by using electrolysis or electrophoresis
    • G01N27/416—Systems
    • G01N27/417—Systems using cells, i.e. more than one cell and probes with solid electrolytes
    • G01N27/4175—Calibrating or checking the analyser
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/0004—Gaseous mixtures, e.g. polluted air
    • G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
    • G01N33/007—Arrangements to check the analyser
    • 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
    • F02D41/1405—Neural network control

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Biochemistry (AREA)
  • Pathology (AREA)
  • Immunology (AREA)
  • General Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Analytical Chemistry (AREA)
  • Electrochemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Molecular Biology (AREA)
  • Mechanical Engineering (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
  • Testing Of Engines (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
GB9419121A 1993-10-04 1994-09-22 Diagnostic technique for exhaust gas oxygen sensor operation Expired - Fee Related GB2283320B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US13094993A 1993-10-04 1993-10-04

Publications (3)

Publication Number Publication Date
GB9419121D0 true GB9419121D0 (en) 1994-11-09
GB2283320A GB2283320A (en) 1995-05-03
GB2283320B GB2283320B (en) 1997-12-10

Family

ID=22447149

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9419121A Expired - Fee Related GB2283320B (en) 1993-10-04 1994-09-22 Diagnostic technique for exhaust gas oxygen sensor operation

Country Status (3)

Country Link
JP (1) JPH07166939A (en)
DE (1) DE4434197C2 (en)
GB (1) GB2283320B (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10023072B4 (en) * 2000-05-11 2013-07-04 Volkswagen Ag Method and device for determining a NOx concentration of an exhaust gas stream of an internal combustion engine
DE10049685A1 (en) * 2000-10-07 2002-04-11 Volkswagen Ag Process for single diagnosis of a nitrogen oxides sensor arranged in the exhaust gas line of an internal combustion engine comprises using a lambda signal characterizing the lambda value of the exhaust gas
DE10155647B4 (en) * 2001-11-28 2012-07-05 Volkswagen Ag Method for on-board diagnosis (OBD) of emission-relevant assemblies of motor vehicles
US6860144B2 (en) 2003-02-18 2005-03-01 Daimlerchrysler Corporation Oxygen sensor monitoring arrangement
DE102004030782A1 (en) * 2004-06-25 2006-01-19 Fev Motorentechnik Gmbh Vehicle control unit with a neural network
DE102006030895A1 (en) * 2006-07-01 2008-01-03 Endress + Hauser Conducta Gesellschaft für Mess- und Regeltechnik mbH + Co. KG Measuring system has sensor for detecting measured variable and emitting measured value dependent sensor signal and data processing unit which evaluates sensor signal, where data processing unit has data storage
DE102008032885A1 (en) * 2008-07-14 2010-01-21 Endress + Hauser Conducta Gesellschaft für Mess- und Regeltechnik mbH + Co. KG Method and device for checking and determining states of a sensor
DE102008045840B4 (en) * 2008-09-05 2023-11-02 Endress+Hauser Conducta Gmbh+Co. Kg Method for operating a process measuring point
EP2296062B1 (en) 2009-09-09 2021-06-23 Siemens Aktiengesellschaft Method for computer-supported learning of a control and/or regulation of a technical system

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4751907A (en) * 1985-09-27 1988-06-21 Nissan Motor Co., Ltd. Air/fuel ratio detecting apparatus for internal combustion engines
DE3727573A1 (en) * 1987-08-19 1989-03-02 Bosch Gmbh Robert METHOD AND DEVICE FOR WARM-UP, FULL-LOAD AND Lean-regulation of an Internal Combustion Engine at a Specified Lambda Value
DE4342136B4 (en) * 1993-12-10 2004-03-11 Audi Ag Method of diagnosing a lambda probe

Also Published As

Publication number Publication date
DE4434197C2 (en) 1997-12-18
GB2283320B (en) 1997-12-10
DE4434197A1 (en) 1995-04-06
GB2283320A (en) 1995-05-03
JPH07166939A (en) 1995-06-27

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20020922