JP4478181B2 - エンジン制御装置 - Google Patents

エンジン制御装置 Download PDF

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Publication number
JP4478181B2
JP4478181B2 JP2007247481A JP2007247481A JP4478181B2 JP 4478181 B2 JP4478181 B2 JP 4478181B2 JP 2007247481 A JP2007247481 A JP 2007247481A JP 2007247481 A JP2007247481 A JP 2007247481A JP 4478181 B2 JP4478181 B2 JP 4478181B2
Authority
JP
Japan
Prior art keywords
voltage
abnormality
exhaust gas
offset voltage
positive
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.)
Expired - Fee Related
Application number
JP2007247481A
Other languages
English (en)
Japanese (ja)
Other versions
JP2009079494A (ja
Inventor
昌彦 左山
光司 橋本
由岳 西馬
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP2007247481A priority Critical patent/JP4478181B2/ja
Priority to DE200810031514 priority patent/DE102008031514B4/de
Publication of JP2009079494A publication Critical patent/JP2009079494A/ja
Application granted granted Critical
Publication of JP4478181B2 publication Critical patent/JP4478181B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • F02D41/1494—Control of sensor heater
    • 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
    • F02D41/20—Output circuits, e.g. for controlling currents in command coils
    • F02D2041/2086—Output circuits, e.g. for controlling currents in command coils with means for detecting circuit failures
    • F02D2041/2093—Output circuits, e.g. for controlling currents in command coils with means for detecting circuit failures detecting short circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
  • Measuring Oxygen Concentration In Cells (AREA)
JP2007247481A 2007-09-25 2007-09-25 エンジン制御装置 Expired - Fee Related JP4478181B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2007247481A JP4478181B2 (ja) 2007-09-25 2007-09-25 エンジン制御装置
DE200810031514 DE102008031514B4 (de) 2007-09-25 2008-07-03 Motorsteuereinheit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2007247481A JP4478181B2 (ja) 2007-09-25 2007-09-25 エンジン制御装置

Publications (2)

Publication Number Publication Date
JP2009079494A JP2009079494A (ja) 2009-04-16
JP4478181B2 true JP4478181B2 (ja) 2010-06-09

Family

ID=40459078

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2007247481A Expired - Fee Related JP4478181B2 (ja) 2007-09-25 2007-09-25 エンジン制御装置

Country Status (2)

Country Link
JP (1) JP4478181B2 (de)
DE (1) DE102008031514B4 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITBO20120111A1 (it) 2012-03-06 2013-09-07 Magneti Marelli Spa Metodo di controllo di una trasmissione manuale automatica provvista di un dispositivo di blocco di parcheggio
CN103527296A (zh) * 2013-10-08 2014-01-22 潍柴动力股份有限公司 一种scr尿素喷射系统测试方法及装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2832944B2 (ja) * 1988-06-10 1998-12-09 株式会社日立製作所 計測データの遅れ補償方法
DE4113316C2 (de) * 1991-04-24 2003-09-11 Bosch Gmbh Robert Anschlußschaltung für eine Lambdasonde und Prüfverfahren für eine solche Schaltung
JP3988609B2 (ja) * 2002-10-07 2007-10-10 株式会社デンソー 酸素センサの異常検出装置
JP4094538B2 (ja) * 2003-12-11 2008-06-04 三菱電機株式会社 空燃比センサの故障診断装置
JP4646129B2 (ja) * 2004-12-28 2011-03-09 日本特殊陶業株式会社 ガス濃度測定装置の異常診断方法及びガス濃度測定装置の異常診断装置

Also Published As

Publication number Publication date
DE102008031514B4 (de) 2014-10-09
JP2009079494A (ja) 2009-04-16
DE102008031514A1 (de) 2009-04-23

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