JP6323112B2 - エンジン制御システム - Google Patents
エンジン制御システム Download PDFInfo
- Publication number
- JP6323112B2 JP6323112B2 JP2014066490A JP2014066490A JP6323112B2 JP 6323112 B2 JP6323112 B2 JP 6323112B2 JP 2014066490 A JP2014066490 A JP 2014066490A JP 2014066490 A JP2014066490 A JP 2014066490A JP 6323112 B2 JP6323112 B2 JP 6323112B2
- Authority
- JP
- Japan
- Prior art keywords
- atmospheric pressure
- estimated
- fuel injection
- injection amount
- engine
- 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.)
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Classifications
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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
- F02D41/24—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
-
- 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
- F02D41/04—Introducing corrections for particular operating conditions
- F02D41/042—Introducing corrections for particular operating conditions for stopping the engine
-
- 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
- F02D2200/04—Engine intake system parameters
- F02D2200/0404—Throttle position
-
- 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
- F02D2200/04—Engine intake system parameters
- F02D2200/0406—Intake manifold 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
- F02D2200/00—Input parameters for engine control
- F02D2200/60—Input parameters for engine control said parameters being related to the driver demands or status
- F02D2200/602—Pedal position
-
- 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
- F02D2200/70—Input parameters for engine control said parameters being related to the vehicle exterior
- F02D2200/703—Atmospheric pressure
- F02D2200/704—Estimation of atmospheric pressure
-
- 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
- F02D2250/14—Timing of measurement, e.g. synchronisation of measurements to the engine cycle
-
- 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
- F02D41/04—Introducing corrections for particular operating conditions
- F02D41/06—Introducing corrections for particular operating conditions for engine starting or warming up
- F02D41/062—Introducing corrections for particular operating conditions for engine starting or warming up for starting
-
- 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
-
- 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
- F02D41/32—Controlling fuel injection of the low pressure type
Description
X= F1 × 学習大気圧 + (1−F1) × 推定大気圧 (式1)
2 エンジン
3 ECM
31 大気圧推定部
32 大気圧記憶部
33 燃料噴射量算出部
5 発電機
6 エンジン回転数センサ
7 吸気圧センサ
8 スロットル開度センサ
9 インジェクタ
Claims (2)
- エンジン回転数を検出する回転数検出手段と、スロットルバルブの下流の吸気管圧を検出する圧力検出手段と、前記圧力検出手段により検出された吸気管圧から推定大気圧を推定する大気圧推定手段と、前記大気圧推定手段から出力された推定大気圧を学習大気圧としてエンジン停止後に記憶する記憶手段と、エンジン回転数及び前記推定大気圧に基づいて燃料噴射量を算出する燃料噴射量算出手段と、を備え、
前記燃料噴射量算出手段は、エンジン始動の際に推定された前記推定大気圧と前記記憶手段に記憶された前記学習大気圧とを比較し、前記推定大気圧と前記学習大気圧との差が所定値より小さい場合に当該学習大気圧を利用して燃料噴射量を算出する一方、前記推定大気圧と前記学習大気圧との差が前記所定値以上の場合に当該推定大気圧を利用して燃料噴射量を算出し、
前記燃料噴射量算出手段は、前記推定大気圧と前記学習大気圧との差が前記所定値未満の場合に限って非リーンバーン制御モードからリーンバーン制御モードに移行し、リーンバーン制御モードに適するように燃料噴射量を調整することを特徴とするエンジン制御システム。 - 前記推定大気圧と前記学習大気圧との差が前記所定値以上の場合、前記大気圧推定手段は、エンジン回転数に応じて前記推定大気圧を調整することを特徴とする請求項1記載のエンジン制御システム。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014066490A JP6323112B2 (ja) | 2014-03-27 | 2014-03-27 | エンジン制御システム |
EP15766726.2A EP2963272A4 (en) | 2014-03-27 | 2015-02-18 | ENGINE CONTROL SYSTEM |
PCT/JP2015/054366 WO2015146379A1 (ja) | 2014-03-27 | 2015-02-18 | エンジン制御システム |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014066490A JP6323112B2 (ja) | 2014-03-27 | 2014-03-27 | エンジン制御システム |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2015190339A JP2015190339A (ja) | 2015-11-02 |
JP6323112B2 true JP6323112B2 (ja) | 2018-05-16 |
Family
ID=54194915
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2014066490A Active JP6323112B2 (ja) | 2014-03-27 | 2014-03-27 | エンジン制御システム |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP2963272A4 (ja) |
JP (1) | JP6323112B2 (ja) |
WO (1) | WO2015146379A1 (ja) |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4600993A (en) * | 1983-05-27 | 1986-07-15 | Allied Corporation | Measuring barometric pressure with a manifold pressure sensor in a microprocessor based engine control system |
US4926335A (en) * | 1988-07-25 | 1990-05-15 | General Motors Corporation | Determining barometric pressure using a manifold pressure sensor |
JPH11280528A (ja) * | 1998-03-30 | 1999-10-12 | Unisia Jecs Corp | アシストエア供給装置の診断装置 |
JP2003206789A (ja) * | 2002-01-15 | 2003-07-25 | Mitsubishi Electric Corp | 内燃機関の燃料噴射制御装置 |
JP2004036462A (ja) * | 2002-07-02 | 2004-02-05 | Toyota Motor Corp | 内燃機関の制御装置 |
JP5373563B2 (ja) * | 2009-11-16 | 2013-12-18 | トヨタ自動車株式会社 | 異常検出装置およびブレーキ装置 |
JP2013194532A (ja) * | 2012-03-16 | 2013-09-30 | Hitachi Automotive Systems Ltd | エンジンの制御装置 |
JP5821737B2 (ja) | 2012-03-26 | 2015-11-24 | スズキ株式会社 | エンジン始動制御システム |
-
2014
- 2014-03-27 JP JP2014066490A patent/JP6323112B2/ja active Active
-
2015
- 2015-02-18 WO PCT/JP2015/054366 patent/WO2015146379A1/ja active Application Filing
- 2015-02-18 EP EP15766726.2A patent/EP2963272A4/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
JP2015190339A (ja) | 2015-11-02 |
WO2015146379A1 (ja) | 2015-10-01 |
EP2963272A4 (en) | 2016-11-02 |
EP2963272A1 (en) | 2016-01-06 |
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