JPWO2018216154A1 - 内燃機関の制御方法及び制御装置 - Google Patents
内燃機関の制御方法及び制御装置 Download PDFInfo
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- JPWO2018216154A1 JPWO2018216154A1 JP2019519893A JP2019519893A JPWO2018216154A1 JP WO2018216154 A1 JPWO2018216154 A1 JP WO2018216154A1 JP 2019519893 A JP2019519893 A JP 2019519893A JP 2019519893 A JP2019519893 A JP 2019519893A JP WO2018216154 A1 JPWO2018216154 A1 JP WO2018216154A1
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- combustion
- region
- stratified
- homogeneous
- ignition
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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
- F02D41/38—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
- F02D41/402—Multiple injections
-
- 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
-
- 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
- F02D41/3023—Controlling fuel injection according to or using specific or several modes of combustion characterised by the mode(s) being used a mode being the stratified charge spark-ignited mode
- F02D41/3029—Controlling fuel injection according to or using specific or several modes of combustion characterised by the mode(s) being used a mode being the stratified charge spark-ignited mode further comprising a homogeneous charge spark-ignited mode
-
- 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
-
- 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
-
- 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
- F02P9/00—Electric spark ignition control, not otherwise provided for
- F02P9/002—Control of spark intensity, intensifying, lengthening, suppression
-
- 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
- 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
- F02P5/045—Advancing or retarding ignition; Control therefor automatically, as a function of the working conditions of the engine or vehicle or of the atmospheric conditions combined with electronic control of other engine functions, e.g. fuel injection
-
- 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)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
- Combustion Methods Of Internal-Combustion Engines (AREA)
- Ignition Installations For Internal Combustion Engines (AREA)
- Electrical Control Of Ignition Timing (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
Abstract
Description
Claims (5)
- 内燃機関の低中回転速度・低中負荷領域の一部をリーン燃焼領域とし、
前記リーン燃焼領域内の負荷が相対的に低い運転領域では、吸気行程から圧縮行程前半までの間に少なくとも1回の燃料噴射を行うことで燃焼室内に均質混合気を形成して均質燃焼を行い、
前記リーン燃焼領域内の負荷が相対的に高い運転領域では、吸気行程から圧縮行程前半までの間と、圧縮行程後半とに少なくとも1回ずつの燃料噴射を行うことで燃焼室内に成層混合気を形成して成層燃焼を行う内燃機関の制御方法において、
前記成層燃焼を行う際に点火プラグに供給する点火エネルギを、前記均質燃焼を行う際に点火プラグに供給する点火エネルギより小さく制御する、
内燃機関の制御方法。 - 請求項1に記載の内燃機関の制御方法において、
前記成層燃焼時と前記均質燃焼時のいずれの場合も、燃焼室全体の空気過剰率が2になるよう制御する、
内燃機関の制御方法。 - 請求項1または2に記載の内燃機関の制御方法において、
前記成層燃焼時の前記点火プラグの放電時間を、前記均質燃焼時の前記点火プラグの放電時間より短くすることにより、前記成層燃焼を行う際に点火プラグに供給する点火エネルギを、前記均質燃焼を行う際に点火プラグに供給する点火エネルギより小さく制御する、
内燃機関の制御方法。 - 請求項1から3のいずれかに記載の内燃機関の制御方法において、
前記成層燃焼時の前記点火プラグの放電電流を、前記均質燃焼時の前記点火プラグの放電電流より小さくすることにより、前記成層燃焼を行う際に点火プラグに供給する点火エネルギを、前記均質燃焼を行う際に点火プラグに供給する点火エネルギより小さく制御する、
内燃機関の制御方法。 - 燃焼室内に直接燃料を噴射する燃料噴射弁と、
前記燃焼室内に形成された混合気に火花点火する点火プラグと、
前記点火プラグを駆動する駆動装置と、
前記燃料噴射弁と前記駆動装置とを制御する制御部と、
を備える内燃機関の制御装置において、
前記制御部は、
内燃機関の低中回転速度・低中負荷領域の一部をリーン燃焼領域とし、前記リーン燃焼領域内の負荷が相対的に低い運転領域では、吸気行程から圧縮行程前半までの間に少なくとも1回の燃料噴射を行うことで前記燃焼室内に均質混合気を形成して均質燃焼を行い、
前記リーン燃焼領域内の負荷が相対的に高い運転領域では、吸気行程から圧縮行程前半までの間と、圧縮行程後半とに少なくとも1回ずつの燃料噴射を行うことで燃焼室内に成層混合気を形成して成層燃焼を行い、
前記成層燃焼を行う際に点火プラグに供給する点火エネルギを、前記均質燃焼を行う際に点火プラグに供給する点火エネルギより小さく制御する、
内燃機関の制御装置。
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PCT/JP2017/019429 WO2018216154A1 (ja) | 2017-05-24 | 2017-05-24 | 内燃機関の制御方法及び制御装置 |
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JPWO2018216154A1 true JPWO2018216154A1 (ja) | 2020-03-12 |
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US (1) | US11248555B2 (ja) |
EP (1) | EP3633183A4 (ja) |
JP (1) | JP6835217B2 (ja) |
CN (1) | CN110651118B (ja) |
WO (1) | WO2018216154A1 (ja) |
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WO2018216153A1 (ja) * | 2017-05-24 | 2018-11-29 | 日産自動車株式会社 | 内燃機関の制御方法及び制御装置 |
JP7448461B2 (ja) | 2020-11-06 | 2024-03-12 | 日産自動車株式会社 | 火花点火式多気筒内燃機関の制御方法および制御装置 |
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Also Published As
Publication number | Publication date |
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CN110651118A (zh) | 2020-01-03 |
WO2018216154A1 (ja) | 2018-11-29 |
EP3633183A1 (en) | 2020-04-08 |
US20200200116A1 (en) | 2020-06-25 |
CN110651118B (zh) | 2021-09-07 |
JP6835217B2 (ja) | 2021-02-24 |
EP3633183A4 (en) | 2020-06-17 |
US11248555B2 (en) | 2022-02-15 |
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