JP5331753B2 - エンジンの制御装置 - Google Patents

エンジンの制御装置 Download PDF

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Publication number
JP5331753B2
JP5331753B2 JP2010128408A JP2010128408A JP5331753B2 JP 5331753 B2 JP5331753 B2 JP 5331753B2 JP 2010128408 A JP2010128408 A JP 2010128408A JP 2010128408 A JP2010128408 A JP 2010128408A JP 5331753 B2 JP5331753 B2 JP 5331753B2
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JP
Japan
Prior art keywords
catalyst
air
frequency component
fuel ratio
sensor
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.)
Active
Application number
JP2010128408A
Other languages
English (en)
Japanese (ja)
Other versions
JP2011252467A (ja
JP2011252467A5 (enExample
Inventor
慎二 中川
明人 沼田
栄作 福地
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.)
Hitachi Astemo Ltd
Original Assignee
Hitachi Automotive Systems Ltd
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 Hitachi Automotive Systems Ltd filed Critical Hitachi Automotive Systems Ltd
Priority to JP2010128408A priority Critical patent/JP5331753B2/ja
Priority to EP11789910.4A priority patent/EP2578863A4/en
Priority to US13/700,277 priority patent/US20130275024A1/en
Priority to CN201180027590.1A priority patent/CN102918246B/zh
Priority to PCT/JP2011/062752 priority patent/WO2011152509A1/ja
Publication of JP2011252467A publication Critical patent/JP2011252467A/ja
Publication of JP2011252467A5 publication Critical patent/JP2011252467A5/ja
Application granted granted Critical
Publication of JP5331753B2 publication Critical patent/JP5331753B2/ja
Active legal-status Critical Current
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    • 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
    • F02D41/1439—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the position of the sensor
    • F02D41/1441—Plural sensors
    • 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
    • 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
    • F02D41/008—Controlling each cylinder individually
    • F02D41/0085—Balancing of cylinder outputs, e.g. speed, torque or air-fuel ratio
    • 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
    • F02D41/1444—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases
    • F02D41/1454—Introducing 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
    • 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
    • F02D41/1401—Introducing closed-loop corrections characterised by the control or regulation method
    • F02D2041/1413—Controller structures or design
    • F02D2041/1432—Controller structures or design the system including a filter, e.g. a low pass or high pass filter
    • 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
    • F02D41/28—Interface circuits
    • F02D2041/286—Interface circuits comprising means for signal processing
    • F02D2041/288—Interface circuits comprising means for signal processing for performing a transformation into the frequency domain, e.g. Fourier transformation
    • 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
    • F02D41/22—Safety or indicating devices for abnormal conditions
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems

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)
  • Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
  • Exhaust Gas After Treatment (AREA)
JP2010128408A 2010-06-04 2010-06-04 エンジンの制御装置 Active JP5331753B2 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2010128408A JP5331753B2 (ja) 2010-06-04 2010-06-04 エンジンの制御装置
EP11789910.4A EP2578863A4 (en) 2010-06-04 2011-06-03 ENGINE CONTROL
US13/700,277 US20130275024A1 (en) 2010-06-04 2011-06-03 Engine control device
CN201180027590.1A CN102918246B (zh) 2010-06-04 2011-06-03 发动机的控制装置
PCT/JP2011/062752 WO2011152509A1 (ja) 2010-06-04 2011-06-03 エンジンの制御装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2010128408A JP5331753B2 (ja) 2010-06-04 2010-06-04 エンジンの制御装置

Publications (3)

Publication Number Publication Date
JP2011252467A JP2011252467A (ja) 2011-12-15
JP2011252467A5 JP2011252467A5 (enExample) 2012-10-25
JP5331753B2 true JP5331753B2 (ja) 2013-10-30

Family

ID=45066864

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2010128408A Active JP5331753B2 (ja) 2010-06-04 2010-06-04 エンジンの制御装置

Country Status (5)

Country Link
US (1) US20130275024A1 (enExample)
EP (1) EP2578863A4 (enExample)
JP (1) JP5331753B2 (enExample)
CN (1) CN102918246B (enExample)
WO (1) WO2011152509A1 (enExample)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5427715B2 (ja) * 2010-07-14 2014-02-26 日立オートモティブシステムズ株式会社 エンジンの制御装置
JP2012229663A (ja) * 2011-04-27 2012-11-22 Honda Motor Co Ltd 内燃機関の空燃比制御装置
JP6046370B2 (ja) * 2012-04-09 2016-12-14 日立オートモティブシステムズ株式会社 エンジンの制御装置
JP5787033B2 (ja) * 2012-04-10 2015-09-30 トヨタ自動車株式会社 内燃機関の制御装置
JP5851361B2 (ja) * 2012-07-31 2016-02-03 日立オートモティブシステムズ株式会社 内燃機関の診断装置
US10030593B2 (en) * 2014-05-29 2018-07-24 Cummins Inc. System and method for detecting air fuel ratio imbalance
US9932922B2 (en) * 2014-10-30 2018-04-03 Ford Global Technologies, Llc Post-catalyst cylinder imbalance monitor
JP6414462B2 (ja) * 2014-12-22 2018-10-31 三菱自動車工業株式会社 内燃機関の故障検出装置
US11624333B2 (en) 2021-04-20 2023-04-11 Kohler Co. Exhaust safety system for an engine

Family Cites Families (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3620051B2 (ja) * 1992-08-27 2005-02-16 株式会社デンソー エンジン用触媒劣化検出装置
JP3169298B2 (ja) * 1993-09-08 2001-05-21 株式会社日立製作所 内燃機関の故障診断装置
JP3496307B2 (ja) * 1994-02-18 2004-02-09 株式会社デンソー 触媒劣化検知法及び空燃比センサ
JPH1073043A (ja) * 1996-08-29 1998-03-17 Honda Motor Co Ltd 内燃機関の空燃比制御装置
JP3340058B2 (ja) * 1997-08-29 2002-10-28 本田技研工業株式会社 多気筒エンジンの空燃比制御装置
JP3510132B2 (ja) 1999-01-27 2004-03-22 株式会社日立製作所 エンジンの制御装置
JP4205030B2 (ja) * 2003-10-06 2009-01-07 本田技研工業株式会社 内燃機関の空燃比制御装置
JP4130800B2 (ja) * 2003-12-26 2008-08-06 株式会社日立製作所 エンジンの制御装置
US20060021325A1 (en) * 2003-12-26 2006-02-02 Denso Corporation Air/fuel ratio control system for automotive vehicle using feedback control
JP4139373B2 (ja) * 2004-10-12 2008-08-27 トヨタ自動車株式会社 内燃機関の空燃比制御装置
US7027910B1 (en) * 2005-01-13 2006-04-11 General Motors Corporation Individual cylinder controller for four-cylinder engine
JP2009030455A (ja) 2007-07-24 2009-02-12 Toyota Motor Corp 多気筒内燃機関の気筒間空燃比ばらつき異常を検出するための装置及び方法
DE102006033869B3 (de) * 2006-07-21 2008-01-31 Siemens Ag Verfahren und Vorrichtung zur Diagnose der zylinderselektiven Ungleichverteilung eines Kraftstoff-Luftgemisches, das den Zylindern eines Verbrennungsmotors zugeführt wird
JP2008051003A (ja) * 2006-08-24 2008-03-06 Suzuki Motor Corp 多気筒エンジンの空燃比制御装置
JP2009074388A (ja) * 2007-09-19 2009-04-09 Toyota Motor Corp 多気筒内燃機関の気筒間空燃比ばらつき異常検出装置
WO2009013600A2 (en) * 2007-07-24 2009-01-29 Toyota Jidosha Kabushiki Kaisha Apparatus and method for detecting abnormalair-fuel ratio variation among cylinders of multi-cylinder internal combustion engine
JP4496549B2 (ja) * 2008-02-27 2010-07-07 トヨタ自動車株式会社 多気筒内燃機関の気筒間空燃比ばらつき異常検出装置
JP4936018B2 (ja) * 2008-10-14 2012-05-23 トヨタ自動車株式会社 内燃機関の空燃比制御装置
JP5152097B2 (ja) * 2009-05-08 2013-02-27 株式会社デンソー ガスセンサの信号処理装置
WO2011058662A1 (ja) * 2009-11-12 2011-05-19 トヨタ自動車株式会社 内燃機関の空燃比気筒間インバランス判定装置

Also Published As

Publication number Publication date
EP2578863A1 (en) 2013-04-10
US20130275024A1 (en) 2013-10-17
WO2011152509A1 (ja) 2011-12-08
CN102918246B (zh) 2015-09-30
JP2011252467A (ja) 2011-12-15
EP2578863A4 (en) 2016-06-15
CN102918246A (zh) 2013-02-06

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