JP2018035790A - 内燃機関装置 - Google Patents
内燃機関装置 Download PDFInfo
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- JP2018035790A JP2018035790A JP2016171833A JP2016171833A JP2018035790A JP 2018035790 A JP2018035790 A JP 2018035790A JP 2016171833 A JP2016171833 A JP 2016171833A JP 2016171833 A JP2016171833 A JP 2016171833A JP 2018035790 A JP2018035790 A JP 2018035790A
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- Prior art keywords
- fuel
- internal combustion
- combustion engine
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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
- F02D41/22—Safety or indicating devices for abnormal conditions
- F02D41/221—Safety or indicating devices for abnormal conditions relating to the failure of actuators or electrically driven elements
-
- 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
- F02D41/22—Safety or indicating devices for abnormal conditions
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/30—Controlling fuel injection
- F02D41/3094—Controlling fuel injection the fuel injection being effected by at least two different injectors, e.g. one in the intake manifold and one 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
- F02D41/30—Controlling fuel injection
- F02D41/38—Controlling fuel injection of the high pressure type
-
- 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
- F02D41/38—Controlling fuel injection of the high pressure type
- F02D41/3809—Common rail control systems
- F02D41/3836—Controlling the fuel pressure
- F02D41/3845—Controlling the fuel pressure by controlling the flow into the common rail, e.g. the amount of fuel pumped
-
- 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
- F02D2041/224—Diagnosis of the fuel 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
- F02D41/30—Controlling fuel injection
- F02D41/38—Controlling fuel injection of the high pressure type
- F02D2041/389—Controlling fuel injection of the high pressure type for injecting directly into the cylinder
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2200/00—Input parameters for engine control
- F02D2200/02—Input parameters for engine control the parameters being related to the engine
- F02D2200/06—Fuel or fuel supply system parameters
- F02D2200/0602—Fuel pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2200/00—Input parameters for engine control
- F02D2200/02—Input parameters for engine control the parameters being related to the engine
- F02D2200/10—Parameters related to the engine output, e.g. engine torque or engine speed
- F02D2200/101—Engine speed
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2250/00—Engine control related to specific problems or objectives
- F02D2250/04—Fuel pressure pulsation in common rails
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- 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)
Abstract
【解決手段】インバランス診断を実行していないときには、エンジンの回転数Neと体積効率KLとに基づいて目標燃圧Pf*を設定し(ステップS110,S120)、インバランス診断を実行しているときには、インバランス診断を実行していないときに設定可能な目標燃圧Pf*より小さい燃圧を目標燃圧Pf*に設定し(ステップS110,S130)、検出燃圧が目標燃圧Pf*となるように筒内噴射弁が接続されたデリバリパイプに燃料を供給する高圧燃料ポンプを駆動制御する。これにより、インバランス診断をより精度よく実行することができる。
【選択図】図2
Description
筒内に燃料を噴射する筒内噴射弁を有する多気筒の内燃機関と、
燃料タンクからの燃料を加圧して前記筒内噴射弁が接続される供給流路に供給する高圧燃料ポンプ、を有する燃料供給装置と、
前記供給流路内の燃圧が目標燃圧となるように前記高圧燃料ポンプを制御する制御手段と、
空燃比の変動または前記内燃機関の回転変動に基づいて燃料噴射量の気筒間のインバランスが生じているか否かを判断するインバランス診断を実行する診断手段と、
を備える内燃機関装置であって、
前記制御手段は、前記インバランス診断が実行されるときには実行されないときに比して小さい値を前記目標燃圧に設定する、
ことを要旨とする。
Claims (3)
- 筒内に燃料を噴射する筒内噴射弁を有する多気筒の内燃機関と、
燃料タンクからの燃料を加圧して前記筒内噴射弁が接続される供給流路に供給する高圧燃料ポンプ、を有する燃料供給装置と、
前記供給流路内の燃圧が目標燃圧となるように前記高圧燃料ポンプを制御する制御手段と、
空燃比の変動または前記内燃機関の回転変動に基づいて燃料噴射量の気筒間のインバランスが生じているか否かを判断するインバランス診断を実行する診断手段と、
を備える内燃機関装置であって、
前記制御手段は、前記インバランス診断が実行されるときには実行されないときに比して小さい値を前記目標燃圧に設定する、
内燃機関装置。 - 請求項1記載の内燃機関装置であって、
前記診断手段は、前記空燃比の変化の傾きを用いて前記インバランスが生じているか否かを判定する、
内燃機関装置。 - 請求項1記載の内燃機関装置であって、
前記診断手段は、前記内燃機関のクランクシャフトが所定回転角だけ回転するのに要した所要時間を演算し、前記所要時間を用いて前記インバランスが生じているか否かを判定する、
内燃機関装置。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016171833A JP2018035790A (ja) | 2016-09-02 | 2016-09-02 | 内燃機関装置 |
US15/690,876 US10508609B2 (en) | 2016-09-02 | 2017-08-30 | Control device for internal combustion engine using imbalance diagnosis and abnormality determination |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016171833A JP2018035790A (ja) | 2016-09-02 | 2016-09-02 | 内燃機関装置 |
Publications (1)
Publication Number | Publication Date |
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JP2018035790A true JP2018035790A (ja) | 2018-03-08 |
Family
ID=61282457
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2016171833A Pending JP2018035790A (ja) | 2016-09-02 | 2016-09-02 | 内燃機関装置 |
Country Status (2)
Country | Link |
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US (1) | US10508609B2 (ja) |
JP (1) | JP2018035790A (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10519890B2 (en) * | 2018-03-26 | 2019-12-31 | Ford Global Technologies, Llc | Engine parameter sampling and control method |
JP7052534B2 (ja) * | 2018-05-02 | 2022-04-12 | マツダ株式会社 | 圧縮着火式エンジンの制御装置 |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1137380A (ja) * | 1997-07-17 | 1999-02-12 | Toyota Motor Corp | デリバリパイプ |
JP2001164961A (ja) * | 1999-12-14 | 2001-06-19 | Mitsubishi Electric Corp | 筒内噴射エンジンの燃料噴射制御装置 |
JP2006316655A (ja) * | 2005-05-11 | 2006-11-24 | Nippon Soken Inc | 内燃機関の制御装置 |
JP2007016687A (ja) * | 2005-07-07 | 2007-01-25 | Denso Corp | 蓄圧式燃料噴射制御装置 |
JP2010185309A (ja) * | 2009-02-10 | 2010-08-26 | Denso Corp | ディーゼルエンジンの制御装置 |
JP2011185159A (ja) * | 2010-03-09 | 2011-09-22 | Denso Corp | 過給機付き内燃機関の異常診断装置 |
JP2013024040A (ja) * | 2011-07-15 | 2013-02-04 | Toyota Motor Corp | 空燃比ばらつき異常検出装置 |
JP2014080910A (ja) * | 2012-10-16 | 2014-05-08 | Toyota Motor Corp | 内燃機関の異常判定装置 |
JP2014202157A (ja) * | 2013-04-08 | 2014-10-27 | トヨタ自動車株式会社 | 内燃機関の異常判定装置および異常判定方法 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3154038B2 (ja) * | 1995-01-06 | 2001-04-09 | 株式会社ユニシアジェックス | 内燃機関の吸気圧力推定装置及び燃料供給装置 |
JPH1061477A (ja) * | 1996-08-26 | 1998-03-03 | Mitsubishi Motors Corp | 筒内噴射型火花点火式内燃エンジンの制御装置 |
CA2538984C (en) * | 2006-03-10 | 2007-11-06 | Westport Research Inc. | Method of accurately metering a gaseous fuel that is injected directly into a combustion chamber of an internal combustion engine |
JP5191983B2 (ja) * | 2009-12-16 | 2013-05-08 | 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 |
JP2012172607A (ja) | 2011-02-22 | 2012-09-10 | Toyota Motor Corp | 過給機付き内燃機関の制御装置 |
JP5724963B2 (ja) * | 2012-08-01 | 2015-05-27 | トヨタ自動車株式会社 | 内燃機関の診断装置 |
JP5999008B2 (ja) | 2013-04-08 | 2016-09-28 | トヨタ自動車株式会社 | 多気筒内燃機関の気筒間空燃比インバランス検出装置 |
-
2016
- 2016-09-02 JP JP2016171833A patent/JP2018035790A/ja active Pending
-
2017
- 2017-08-30 US US15/690,876 patent/US10508609B2/en not_active Expired - Fee Related
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1137380A (ja) * | 1997-07-17 | 1999-02-12 | Toyota Motor Corp | デリバリパイプ |
JP2001164961A (ja) * | 1999-12-14 | 2001-06-19 | Mitsubishi Electric Corp | 筒内噴射エンジンの燃料噴射制御装置 |
JP2006316655A (ja) * | 2005-05-11 | 2006-11-24 | Nippon Soken Inc | 内燃機関の制御装置 |
JP2007016687A (ja) * | 2005-07-07 | 2007-01-25 | Denso Corp | 蓄圧式燃料噴射制御装置 |
JP2010185309A (ja) * | 2009-02-10 | 2010-08-26 | Denso Corp | ディーゼルエンジンの制御装置 |
JP2011185159A (ja) * | 2010-03-09 | 2011-09-22 | Denso Corp | 過給機付き内燃機関の異常診断装置 |
JP2013024040A (ja) * | 2011-07-15 | 2013-02-04 | Toyota Motor Corp | 空燃比ばらつき異常検出装置 |
JP2014080910A (ja) * | 2012-10-16 | 2014-05-08 | Toyota Motor Corp | 内燃機関の異常判定装置 |
JP2014202157A (ja) * | 2013-04-08 | 2014-10-27 | トヨタ自動車株式会社 | 内燃機関の異常判定装置および異常判定方法 |
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US20180066621A1 (en) | 2018-03-08 |
US10508609B2 (en) | 2019-12-17 |
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