JP2015098808A - 車両用内燃機関の制御装置 - Google Patents
車両用内燃機関の制御装置 Download PDFInfo
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- JP2015098808A JP2015098808A JP2013238233A JP2013238233A JP2015098808A JP 2015098808 A JP2015098808 A JP 2015098808A JP 2013238233 A JP2013238233 A JP 2013238233A JP 2013238233 A JP2013238233 A JP 2013238233A JP 2015098808 A JP2015098808 A JP 2015098808A
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- fuel
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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
- F02D41/30—Controlling fuel injection
- F02D41/3011—Controlling fuel injection according to or using specific or several modes of combustion
- F02D41/3076—Controlling fuel injection according to or using specific or several modes of combustion with special conditions for selecting a mode of combustion, e.g. for starting, for diagnosing
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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
- F02D41/04—Introducing corrections for particular operating conditions
- F02D41/047—Taking into account fuel evaporation or wall wetting
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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
-
- 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
- F02D41/02—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
- F02D41/068—Introducing corrections for particular operating conditions for engine starting or warming up for warming-up
-
- 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
- F02D2200/021—Engine temperature
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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
- F02D35/00—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for
- F02D35/02—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for on interior conditions
- F02D35/025—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for on interior conditions by determining temperatures inside the cylinder, e.g. combustion temperatures
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N11/00—Starting of engines by means of electric motors
- F02N11/08—Circuits or control means specially adapted for starting of engines
- F02N11/0814—Circuits or control means specially adapted for starting of engines comprising means for controlling automatic idle-start-stop
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 Vehicle Engines Or Engines For Specific Uses (AREA)
Abstract
【解決手段】気筒内低温時にあっては、蒸気圧RVPが低く気化しにくい燃料の燃料噴射量Mを多くし、蒸気圧RVPが高く気化しやすい燃料の燃料噴射量Mを少なくすることで、エンジン12の始動タイミングを一定にすることができる。また、気筒内高温時にあっては、蒸気圧RVPが低い分解しやすい燃料の燃料噴射量Mを少なくし、蒸気圧RVPが高く燃焼(分解)しにくい燃料の燃料噴射量Mを多くすることでエンジン12の始動タイミングを一定にすることができる。これより、燃料性状に拘わらずエンジン12の始動タイミングが一定とされることでドライバビリティの悪化を防止することができる。
【選択図】図5
Description
70、150:電子制御装置(制御装置)
78、150:燃料噴射量設定部(燃料噴射量設定手段)
100:気筒
Claims (4)
- 内燃機関の自動停止および再始動を行う車両用内燃機関の制御装置であって、
前記内燃機関の再始動時の燃料噴射量を設定する燃料噴射量設定手段を備え、
前記燃料噴射量設定手段は、再始動時の前記内燃機関の気筒内の温度もしくは燃料の気化割合が高くなるほど燃料噴射量を少量となるように制御し、且つ、
前記気筒内の温度もしくは燃料の気化割合に基づいて、燃料の蒸気圧と燃料噴射量との関係を設定し、該気筒内の温度もしくは燃料の気化割合が高いほど、蒸気圧に対する燃料噴射量の変化の割合が大きくなる
ことを特徴とする車両用内燃機関の制御装置。 - 前記気筒内の温度もしくは燃料の気化割合が所定以上のとき、前記変化の割合が正になることを特徴とする請求項1の車両用内燃機関の制御装置。
- 前記気筒内の温度が前記所定温度以下のとき、あるいは燃料の気化割合が前記所定値以下のときに使用される燃料噴射量を決定する第1のマップと、該気筒内の温度が前記所定温度を超えるとき、あるいは燃料の気化割合が前記所定値を超えるときに使用される燃料噴射量を決定する第2のマップとをそれぞれ有し、
前記気筒内の温度に基づいて前記第1のマップおよび前記第2のマップが切り換えられることを特徴とする請求項1または2の車両用内燃機関の制御装置。 - 前記気筒内の温度は、エンジン水温に基づいて推定されることを特徴とする請求項1乃至3の何れか1の車両用内燃機関の制御装置。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013238233A JP5987814B2 (ja) | 2013-11-18 | 2013-11-18 | 車両用内燃機関の制御装置 |
US14/528,226 US9856816B2 (en) | 2013-11-18 | 2014-10-30 | Control system for internal combustion engine of vehicle |
Applications Claiming Priority (1)
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JP2013238233A JP5987814B2 (ja) | 2013-11-18 | 2013-11-18 | 車両用内燃機関の制御装置 |
Publications (2)
Publication Number | Publication Date |
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JP2015098808A true JP2015098808A (ja) | 2015-05-28 |
JP5987814B2 JP5987814B2 (ja) | 2016-09-07 |
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JP2013238233A Active JP5987814B2 (ja) | 2013-11-18 | 2013-11-18 | 車両用内燃機関の制御装置 |
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US (1) | US9856816B2 (ja) |
JP (1) | JP5987814B2 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2019167851A (ja) * | 2018-03-22 | 2019-10-03 | トヨタ自動車株式会社 | 内燃機関の制御装置 |
JP2019194455A (ja) * | 2018-05-02 | 2019-11-07 | マツダ株式会社 | 圧縮着火式エンジンの制御装置 |
Families Citing this family (6)
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DE102012204975A1 (de) * | 2012-03-28 | 2013-10-02 | Robert Bosch Gmbh | Verfahren zur Einspritzberechnung für eine Verbrennungskraftmaschine |
US20160131055A1 (en) * | 2014-08-29 | 2016-05-12 | GM Global Technology Operations LLC | System and method for determining the reid vapor pressure of fuel combusted by an engine and for controlling fuel delivery to cylinders of the engine based on the reid vapor pressure |
JP6844477B2 (ja) * | 2017-09-12 | 2021-03-17 | トヨタ自動車株式会社 | 内燃機関の制御装置 |
US10865724B2 (en) * | 2018-01-22 | 2020-12-15 | Ford Global Technologies, Llc | Systems and methods for characterization of aged fuel for an engine cold start |
JP7047597B2 (ja) * | 2018-05-25 | 2022-04-05 | トヨタ自動車株式会社 | 内燃機関 |
JP2024082903A (ja) * | 2022-12-09 | 2024-06-20 | トヨタ自動車株式会社 | エンジンシステム |
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Also Published As
Publication number | Publication date |
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US20150142297A1 (en) | 2015-05-21 |
US9856816B2 (en) | 2018-01-02 |
JP5987814B2 (ja) | 2016-09-07 |
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