JP2009228510A - 内燃機関の内部egr制御装置 - Google Patents
内燃機関の内部egr制御装置 Download PDFInfo
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- JP2009228510A JP2009228510A JP2008073212A JP2008073212A JP2009228510A JP 2009228510 A JP2009228510 A JP 2009228510A JP 2008073212 A JP2008073212 A JP 2008073212A JP 2008073212 A JP2008073212 A JP 2008073212A JP 2009228510 A JP2009228510 A JP 2009228510A
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- Prior art keywords
- internal egr
- exhaust
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- valve
- gas
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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
- F02D41/0025—Controlling engines characterised by use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
- F02D41/0047—Controlling exhaust gas recirculation [EGR]
- F02D41/006—Controlling exhaust gas recirculation [EGR] using internal EGR
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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
- F02D13/00—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing
- F02D13/02—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing during engine operation
- F02D13/0242—Variable control of the exhaust valves only
- F02D13/0246—Variable control of the exhaust valves only changing valve lift or valve lift and timing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D13/00—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing
- F02D13/02—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing during engine operation
- F02D13/0261—Controlling the valve overlap
- F02D13/0265—Negative valve overlap for temporarily storing residual gas in the cylinder
-
- 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
- F02D41/1448—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 exhaust gas pressure
-
- 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
- F02D41/30—Controlling fuel injection
- F02D41/3011—Controlling fuel injection according to or using specific or several modes of combustion
- F02D41/3017—Controlling fuel injection according to or using specific or several modes of combustion characterised by the mode(s) being used
- F02D41/3035—Controlling fuel injection according to or using specific or several modes of combustion characterised by the mode(s) being used a mode being the premixed charge compression-ignition mode
-
- 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
- F02D41/0002—Controlling intake air
- F02D2041/001—Controlling intake air for engines with variable valve actuation
-
- 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
- F02D41/1446—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 exhaust temperatures
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
- Exhaust-Gas Circulating Devices (AREA)
Abstract
【解決手段】この内部EGR制御装置1は、検出された内燃機関3の運転状態に応じて、内部EGR量の目標となる目標内部EGR量EGRINCMDを設定するとともに、この目標内部EGR量EGRINCMDを、取得された排ガスTEXの温度および排ガスの圧力PEX、ならびに算出された気体定数Rを用い、気体の状態方程式に基づいて、補正することにより、目標内部EGR量EGRINCを求める。そして、補正された目標内部EGR量EGRINCに応じて、排気弁9の閉弁タイミングを算出するとともに、算出された排気弁9の閉弁タイミングに基づいて、可変動弁機構60を制御する。
【選択図】図9
Description
EGRINC=EGRINCMD×R×TEX/PEX ・・・(1)
2 ECU(目標内部EGR量設定手段、気体定数算出手段、目標内部EGR量補正手
段、閉弁タイミング算出手段および制御手段)
3 エンジン
3a 気筒
9 排気弁
21 クランク角センサ(運転状態検出手段および空燃比パラメータ検出手段)
24 排気温センサ(排ガス温度取得手段)
25 排気圧センサ(排ガス圧力取得手段)
28 アクセル開度センサ(運転状態検出手段および空燃比パラメータ検出手段)
60 排気側動弁機構(可変動弁機構)
EGRINCMD 目標内部EGR量
EGRINC 目標内部EGR量(補正された目標内部EGR量)
NE エンジン回転数(内燃機関の運転状態および空燃比パラメータ)
PMCMD 要求トルク(内燃機関の運転状態および空燃比パラメータ)
TEX 排気温(排ガスの温度)
PEX 排気圧(排ガスの圧力)
R 気体定数
Claims (1)
- 気筒内に既燃ガスを残留する内部EGRを制御する内燃機関の内部EGR制御装置であって、
前記内燃機関の排気弁の閉弁タイミングを変更することによって、内部EGR量を制御する可変動弁機構と、
前記内燃機関の運転状態を検出する運転状態検出手段と、
当該検出された内燃機関の運転状態に応じて、内部EGR量の目標となる目標内部EGR量を設定する目標内部EGR量設定手段と、
前記内燃機関から排出された排ガスの温度を取得する排ガス温度取得手段と、
前記排ガスの圧力を取得する排ガス圧力取得手段と、
前記内燃機関の混合気の空燃比を表す空燃比パラメータを検出する空燃比パラメータ検出手段と、
当該検出された空燃比パラメータに応じて、既燃ガスの気体定数を算出する気体定数算出手段と、
前記取得された排ガスの温度および排ガスの圧力、ならびに前記算出された気体定数を用い、気体の状態方程式に基づいて、前記目標内部EGR量を補正する目標内部EGR量補正手段と、
当該補正された目標内部EGR量に応じて、前記排気弁の閉弁タイミングを算出する閉弁タイミング算出手段と、
当該算出された排気弁の閉弁タイミングに基づいて、前記可変動弁機構を制御する制御手段と、
を備えることを特徴とする内燃機関の内部EGR制御装置。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008073212A JP4468462B2 (ja) | 2008-03-21 | 2008-03-21 | 内燃機関の内部egr制御装置 |
US12/399,538 US7680585B2 (en) | 2008-03-21 | 2009-03-06 | Internal EGR control device for internal combustion engine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008073212A JP4468462B2 (ja) | 2008-03-21 | 2008-03-21 | 内燃機関の内部egr制御装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009228510A true JP2009228510A (ja) | 2009-10-08 |
JP4468462B2 JP4468462B2 (ja) | 2010-05-26 |
Family
ID=41089719
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008073212A Expired - Fee Related JP4468462B2 (ja) | 2008-03-21 | 2008-03-21 | 内燃機関の内部egr制御装置 |
Country Status (2)
Country | Link |
---|---|
US (1) | US7680585B2 (ja) |
JP (1) | JP4468462B2 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2019132262A (ja) * | 2018-02-02 | 2019-08-08 | 株式会社デンソー | 内燃機関の制御装置 |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4421607B2 (ja) * | 2006-12-27 | 2010-02-24 | 本田技研工業株式会社 | 内燃機関のegr制御装置 |
US8235012B2 (en) * | 2010-01-13 | 2012-08-07 | GM Global Technology Operations LLC | Method for controlling combustion mode transitions in an internal combustion engine |
US8826871B2 (en) * | 2011-10-06 | 2014-09-09 | GM Global Technology Operations LLC | Method for combustion mode transition |
US8914221B2 (en) | 2012-01-25 | 2014-12-16 | General Electric Company | Methods and systems for exhaust gas recirculation |
CN103375242B (zh) * | 2012-04-23 | 2019-11-12 | 北京奋进科技有限公司 | 内燃机混合燃烧控制方法 |
US20190226419A1 (en) * | 2014-10-23 | 2019-07-25 | Xiangjin Zhou | Hybrid combustion mode of internal combustion engine and controller thereof, internal combustion engine, and automobile |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1193716A (ja) * | 1997-09-25 | 1999-04-06 | Mitsubishi Electric Corp | 内燃機関の内部残留ガス制御装置 |
JPH1193713A (ja) * | 1997-09-25 | 1999-04-06 | Denso Corp | 内燃機関の可変バルブタイミング制御装置 |
JP2004108262A (ja) * | 2002-09-19 | 2004-04-08 | Nissan Motor Co Ltd | 内燃機関の内部egr量推定装置 |
JP2007100526A (ja) * | 2005-09-30 | 2007-04-19 | Honda Motor Co Ltd | 内燃機関のegr制御装置 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0627492B2 (ja) | 1985-07-08 | 1994-04-13 | 日産自動車株式会社 | 内燃機関の吸・排気弁リフト制御装置 |
JP4376119B2 (ja) | 2004-04-28 | 2009-12-02 | 本田技研工業株式会社 | 内燃機関の制御装置 |
JP4463179B2 (ja) | 2005-09-30 | 2010-05-12 | 本田技研工業株式会社 | 内燃機関のegr制御装置 |
-
2008
- 2008-03-21 JP JP2008073212A patent/JP4468462B2/ja not_active Expired - Fee Related
-
2009
- 2009-03-06 US US12/399,538 patent/US7680585B2/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1193716A (ja) * | 1997-09-25 | 1999-04-06 | Mitsubishi Electric Corp | 内燃機関の内部残留ガス制御装置 |
JPH1193713A (ja) * | 1997-09-25 | 1999-04-06 | Denso Corp | 内燃機関の可変バルブタイミング制御装置 |
JP2004108262A (ja) * | 2002-09-19 | 2004-04-08 | Nissan Motor Co Ltd | 内燃機関の内部egr量推定装置 |
JP2007100526A (ja) * | 2005-09-30 | 2007-04-19 | Honda Motor Co Ltd | 内燃機関のegr制御装置 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2019132262A (ja) * | 2018-02-02 | 2019-08-08 | 株式会社デンソー | 内燃機関の制御装置 |
Also Published As
Publication number | Publication date |
---|---|
US20090240422A1 (en) | 2009-09-24 |
US7680585B2 (en) | 2010-03-16 |
JP4468462B2 (ja) | 2010-05-26 |
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