JP2024140068A - エンジン制御装置 - Google Patents
エンジン制御装置 Download PDFInfo
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- 239000000446 fuel Substances 0.000 claims abstract description 166
- 238000002485 combustion reaction Methods 0.000 claims abstract description 79
- 238000002347 injection Methods 0.000 claims abstract description 64
- 239000007924 injection Substances 0.000 claims abstract description 64
- 239000003502 gasoline Substances 0.000 claims abstract description 52
- 239000000203 mixture Substances 0.000 claims abstract description 24
- 150000002978 peroxides Chemical class 0.000 claims abstract description 24
- 238000001514 detection method Methods 0.000 claims abstract description 15
- 230000006835 compression Effects 0.000 claims description 35
- 238000007906 compression Methods 0.000 claims description 35
- 238000002407 reforming Methods 0.000 claims description 9
- 239000000498 cooling water Substances 0.000 claims description 5
- 230000003111 delayed effect Effects 0.000 abstract 1
- 239000000243 solution Substances 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 56
- 239000002828 fuel tank Substances 0.000 description 24
- 238000000034 method Methods 0.000 description 18
- 238000010586 diagram Methods 0.000 description 15
- 238000007254 oxidation reaction Methods 0.000 description 8
- TVMXDCGIABBOFY-UHFFFAOYSA-N octane Chemical compound CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 description 7
- CFMZSMGAMPBRBE-UHFFFAOYSA-N 2-hydroxyisoindole-1,3-dione Chemical compound C1=CC=C2C(=O)N(O)C(=O)C2=C1 CFMZSMGAMPBRBE-UHFFFAOYSA-N 0.000 description 4
- 150000002430 hydrocarbons Chemical class 0.000 description 4
- 229930195733 hydrocarbon Natural products 0.000 description 3
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 3
- 239000007791 liquid phase Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000000979 retarding effect Effects 0.000 description 3
- FRIBMENBGGCKPD-UHFFFAOYSA-N 3-(2,3-dimethoxyphenyl)prop-2-enal Chemical compound COC1=CC=CC(C=CC=O)=C1OC FRIBMENBGGCKPD-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000007800 oxidant agent Substances 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 230000002250 progressing effect Effects 0.000 description 2
- 150000001298 alcohols Chemical class 0.000 description 1
- 150000001299 aldehydes Chemical class 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02P—IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
- F02P5/00—Advancing or retarding ignition; Control therefor
- F02P5/04—Advancing or retarding ignition; Control therefor automatically, as a function of the working conditions of the engine or vehicle or of the atmospheric conditions
- F02P5/145—Advancing or retarding ignition; Control therefor automatically, as a function of the working conditions of the engine or vehicle or of the atmospheric conditions using electrical means
- F02P5/15—Digital data processing
- F02P5/1502—Digital data processing using one central computing unit
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D19/00—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
- F02D19/06—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
- F02D19/0602—Control of components of the fuel supply system
- F02D19/0607—Control of components of the fuel supply system to adjust the fuel mass or volume flow
- F02D19/061—Control of components of the fuel supply system to adjust the fuel mass or volume flow by controlling fuel injectors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D19/00—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
- F02D19/06—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
- F02D19/0639—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed characterised by the type of fuels
- F02D19/0649—Liquid fuels having different boiling temperatures, volatilities, densities, viscosities, cetane or octane numbers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D19/00—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
- F02D19/06—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
- F02D19/0663—Details on the fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
- F02D19/0668—Treating or cleaning means; Fuel filters
- F02D19/0671—Means to generate or modify a fuel, e.g. reformers, electrolytic cells or membranes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D19/00—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
- F02D19/06—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
- F02D19/08—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed simultaneously using pluralities of fuels
- F02D19/081—Adjusting the fuel composition or mixing ratio; Transitioning from one fuel to the other
-
- 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
- F02D41/064—Introducing corrections for particular operating conditions for engine starting or warming up for starting at cold start
-
- 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
- F02D41/30—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
- F02D41/3041—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 with means for triggering compression ignition, e.g. spark plug
-
- 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
- F02D41/40—Controlling fuel injection of the high pressure type with means for controlling injection timing or duration
- F02D41/401—Controlling injection timing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D19/00—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures
- F02D19/06—Controlling engines characterised by their use of non-liquid fuels, pluralities of fuels, or non-fuel substances added to the combustible mixtures peculiar to engines working with pluralities of fuels, e.g. alternatively with light and heavy fuel oil, other than engines indifferent to the fuel consumed
- F02D19/0663—Details on the fuel supply system, e.g. tanks, valves, pipes, pumps, rails, injectors or mixers
- F02D19/0686—Injectors
- F02D19/0694—Injectors operating with a plurality of fuels
-
- 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
- F02D2200/021—Engine temperature
-
- 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
- F02D2200/0414—Air temperature
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D37/00—Non-electrical conjoint control of two or more functions of engines, not otherwise provided for
- F02D37/02—Non-electrical conjoint control of two or more functions of engines, not otherwise provided for one of the functions being ignition
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Theoretical Computer Science (AREA)
- Signal Processing (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
- Combustion Methods Of Internal-Combustion Engines (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
Abstract
【解決手段】エンジン制御装置100は、燃焼室に燃料を噴射するインジェクタ13と燃焼室内の燃料と空気との混合気に点火する点火プラグ14とを有するエンジンと、エンジンの温度を検出する温度検出部15と、検出された温度に基づいてインジェクタ13を制御する制御部50とを備える。インジェクタ13から噴射される燃料は、ガソリン燃料およびガソリン燃料の一部を過酸化物に改質した改質燃料の少なくとも一方である。制御部50は、エンジンの始動時に、検出された温度が所定温度を超えるとき、第1目標噴射時期でガソリン燃料を噴射するようにインジェクタ13を制御する一方、検出された温度が所定温度以下のとき、第1目標噴射時期よりも遅角された第2目標噴射時期で改質燃料を噴射するようにインジェクタ13を制御する。
【選択図】図3
Description
(1)装置100は、燃焼室10に燃料を噴射するインジェクタ13と燃焼室10内の燃料と空気との混合気に点火する点火プラグ14とを有するエンジン1と、エンジン1の水温Twを検出する水温センサ15と、水温センサ15により検出された水温Twに基づいてインジェクタ13を制御するECU50とを備える(図1、図3)。インジェクタ13から噴射される燃料は、ガソリン燃料およびガソリン燃料の一部を過酸化物に改質した改質燃料の少なくとも一方である(図2)。
Claims (6)
- 燃焼室に燃料を噴射するインジェクタと、前記燃焼室内の燃料と空気との混合気に点火する点火プラグと、を有するエンジンと、
前記エンジンの温度を検出する温度検出部と、
前記温度検出部により検出された温度に基づいて前記インジェクタを制御する制御部と、を備え、
前記インジェクタから噴射される燃料は、ガソリン燃料および前記ガソリン燃料の一部を過酸化物に改質した改質燃料の少なくとも一方であり、
前記制御部は、前記エンジンの始動時に、前記温度検出部により検出された温度が所定温度を超えるとき、第1目標噴射時期で前記ガソリン燃料を噴射するように前記インジェクタを制御する一方、前記温度検出部により検出された温度が前記所定温度以下のとき、前記第1目標噴射時期よりも遅角された第2目標噴射時期で前記改質燃料を噴射するように前記インジェクタを制御することを特徴とするエンジン制御装置。 - 請求項1に記載のエンジン制御装置において、
前記エンジンは、火花点火式エンジンであることを特徴とするエンジン制御装置。 - 請求項2に記載のエンジン制御装置において、
前記温度は、前記エンジンの冷却水温であり、
前記所定温度は、前記エンジンの冷間始動時の冷却水温であり、
前記制御部は、前記第2目標噴射時期で前記改質燃料を噴射するように前記インジェクタを制御した後、所定回数の燃焼サイクルで前記点火プラグによる点火が成功すると、前記第1目標噴射時期で前記ガソリン燃料を噴射するように前記インジェクタを制御することを特徴とするエンジン制御装置。 - 請求項1に記載のエンジン制御装置において、
前記エンジンは、予混合圧縮着火式エンジンであり、
前記制御部は、前記温度検出部により検出された温度が前記所定温度以下のとき、さらに、前記燃焼室内の前記改質燃料と空気との混合気に点火するように前記点火プラグを制御することを特徴とするエンジン制御装置。 - 請求項4に記載のエンジン制御装置において、
前記温度は、前記エンジンの冷却水温であり、
前記所定温度は、前記エンジンの冷間始動時の冷却水温であり、
前記制御部は、前記第2目標噴射時期で前記改質燃料を噴射するように前記インジェクタを制御し、前記燃焼室内の前記改質燃料と空気との混合気に点火するように前記点火プラグを制御した後、所定回数の燃焼サイクルで前記点火プラグによる点火が成功すると、前記第1目標噴射時期で前記ガソリン燃料を噴射するように前記インジェクタを制御するとともに、前記燃焼室内の前記ガソリン燃料と空気との混合気に点火するように前記点火プラグを制御することを特徴とするエンジン制御装置。 - 請求項5に記載のエンジン制御装置において、
前記所定温度は、第1所定温度であり、
前記制御部は、前記所定回数の燃焼サイクルで前記点火プラグによる点火が成功すると、前記温度検出部により検出された温度が、前記第1所定温度より高温の第2所定温度を超えたことを条件として、点火を停止するように前記点火プラグを制御することを特徴とするエンジン制御装置。
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JP2023051060A JP7649341B2 (ja) | 2023-03-28 | 2023-03-28 | エンジン制御装置 |
US18/587,414 US12116942B1 (en) | 2023-03-28 | 2024-02-26 | Engine control apparatus |
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JP2003322046A (ja) | 2002-05-02 | 2003-11-14 | Suzuki Motor Corp | 筒内噴射エンジンの燃料噴射制御装置 |
US7017530B2 (en) * | 2003-06-27 | 2006-03-28 | Honda Motor Co., Ltd. | Method for controlling compression ignition internal combustion engine |
JP2006233763A (ja) * | 2005-02-22 | 2006-09-07 | Honda Motor Co Ltd | 圧縮着火内燃機関の運転方法 |
JP2006233864A (ja) * | 2005-02-24 | 2006-09-07 | Honda Motor Co Ltd | 圧縮着火内燃機関の制御方法 |
JP2008121548A (ja) | 2006-11-13 | 2008-05-29 | Toyota Motor Corp | 内燃機関の制御装置 |
JP2008298045A (ja) | 2007-06-04 | 2008-12-11 | Nissan Motor Co Ltd | 内燃機関システム |
JP2017186965A (ja) | 2016-04-06 | 2017-10-12 | トヨタ自動車株式会社 | 内燃機関の制御装置 |
JP6477849B1 (ja) | 2017-12-13 | 2019-03-06 | マツダ株式会社 | 予混合圧縮着火式エンジン |
JP7360275B2 (ja) | 2019-08-28 | 2023-10-12 | 株式会社Subaru | エンジンシステム |
JP7476766B2 (ja) | 2020-11-13 | 2024-05-01 | マツダ株式会社 | エンジンシステム |
JP7229281B2 (ja) * | 2021-01-22 | 2023-02-27 | 本田技研工業株式会社 | 燃料改質装置 |
JP7157832B2 (ja) * | 2021-01-22 | 2022-10-20 | 本田技研工業株式会社 | 燃料改質装置 |
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US20240328367A1 (en) | 2024-10-03 |
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