CN102918246B - 发动机的控制装置 - Google Patents

发动机的控制装置 Download PDF

Info

Publication number
CN102918246B
CN102918246B CN201180027590.1A CN201180027590A CN102918246B CN 102918246 B CN102918246 B CN 102918246B CN 201180027590 A CN201180027590 A CN 201180027590A CN 102918246 B CN102918246 B CN 102918246B
Authority
CN
China
Prior art keywords
catalyst
frequency component
air
control device
fuel ratio
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
CN201180027590.1A
Other languages
English (en)
Chinese (zh)
Other versions
CN102918246A (zh
Inventor
中川慎二
沼田明人
福地荣作
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
Publication of CN102918246A publication Critical patent/CN102918246A/zh
Application granted granted Critical
Publication of CN102918246B publication Critical patent/CN102918246B/zh
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • 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
    • 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)
CN201180027590.1A 2010-06-04 2011-06-03 发动机的控制装置 Active CN102918246B (zh)

Applications Claiming Priority (3)

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
JP2010-128408 2010-06-04
PCT/JP2011/062752 WO2011152509A1 (ja) 2010-06-04 2011-06-03 エンジンの制御装置

Publications (2)

Publication Number Publication Date
CN102918246A CN102918246A (zh) 2013-02-06
CN102918246B true CN102918246B (zh) 2015-09-30

Family

ID=45066864

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201180027590.1A Active CN102918246B (zh) 2010-06-04 2011-06-03 发动机的控制装置

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

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6021767A (en) * 1997-08-29 2000-02-08 Honda Giken Kogyo Kabushiki Kaisha Air-fuel ratio control system for multi-cylinder internal combustion engines
JP2005133714A (ja) * 2003-10-06 2005-05-26 Honda Motor Co Ltd 内燃機関の空燃比制御装置
CN1637255A (zh) * 2003-12-26 2005-07-13 株式会社日立制作所 发动机的控制装置
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
JP2009203881A (ja) * 2008-02-27 2009-09-10 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

Family Cites Families (15)

* 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
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
US20060021325A1 (en) * 2003-12-26 2006-02-02 Denso Corporation Air/fuel ratio control system for automotive vehicle using feedback control
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
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

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6021767A (en) * 1997-08-29 2000-02-08 Honda Giken Kogyo Kabushiki Kaisha Air-fuel ratio control system for multi-cylinder internal combustion engines
JP2005133714A (ja) * 2003-10-06 2005-05-26 Honda Motor Co Ltd 内燃機関の空燃比制御装置
CN1637255A (zh) * 2003-12-26 2005-07-13 株式会社日立制作所 发动机的控制装置
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
JP2009203881A (ja) * 2008-02-27 2009-09-10 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

Also Published As

Publication number Publication date
EP2578863A1 (en) 2013-04-10
JP5331753B2 (ja) 2013-10-30
US20130275024A1 (en) 2013-10-17
WO2011152509A1 (ja) 2011-12-08
JP2011252467A (ja) 2011-12-15
EP2578863A4 (en) 2016-06-15
CN102918246A (zh) 2013-02-06

Similar Documents

Publication Publication Date Title
CN102918246B (zh) 发动机的控制装置
JP3878398B2 (ja) エンジンの自己診断装置および制御装置
JP6860313B2 (ja) エンジンの制御方法、及び、エンジン
US20120109497A1 (en) Abnormal inter-cylinder air-fuel ratio imbalance detection apparatus for multi-cylinder internal combustion engine
JP2011226363A (ja) 内燃機関の異常診断装置
JP2006057523A (ja) エンジン制御システムの異常診断装置
US10508608B2 (en) Control device for engine
WO2015060068A1 (ja) 内燃機関の制御装置
JP5427715B2 (ja) エンジンの制御装置
US8958973B2 (en) Fuel injection control device for engine
JP2010127203A (ja) 内燃機関の制御装置
JP2016160855A (ja) 内燃機関のエミッション推定装置
JP2011252785A (ja) 内燃機関の吸入空気量補正方法
JP2018003702A (ja) 空燃比センサの異常判定装置
WO2016190092A1 (ja) エンジン制御装置
US20140007856A1 (en) Inter-cylinder air/fuel ratio variation abnormality detection apparatus and method for multicylinder internal combustion engine
JP5836816B2 (ja) 内燃機関の制御装置
JP5760924B2 (ja) 内燃機関の筒内圧推定装置
JP6494822B1 (ja) 内燃機関の制御装置、及び内燃機関の制御方法
JP6750536B2 (ja) 内燃機関の排気浄化装置
WO2024018567A1 (ja) 内燃機関の制御装置
JP2021017844A (ja) 吸気流量測定装置
JP4376913B2 (ja) 内燃機関の燃料性状判定装置および内燃機関の制御装置
JP2013036334A (ja) 過給機付きディーゼルエンジンの制御装置
JP2010249058A (ja) エンジンの故障判定装置

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CP01 Change in the name or title of a patent holder

Address after: Ibaraki

Patentee after: Hitachi astemo Co.,Ltd.

Address before: Ibaraki

Patentee before: HITACHI AUTOMOTIVE SYSTEMS, Ltd.

CP01 Change in the name or title of a patent holder