JP2015148222A - 燃料の燃焼性検出装置 - Google Patents
燃料の燃焼性検出装置 Download PDFInfo
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- JP2015148222A JP2015148222A JP2014022977A JP2014022977A JP2015148222A JP 2015148222 A JP2015148222 A JP 2015148222A JP 2014022977 A JP2014022977 A JP 2014022977A JP 2014022977 A JP2014022977 A JP 2014022977A JP 2015148222 A JP2015148222 A JP 2015148222A
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- Prior art keywords
- fuel
- combustibility
- injection timing
- variation
- cylinder
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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
- F02D35/023—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for on interior conditions by determining the cylinder pressure
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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
- F02D35/028—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for on interior conditions by determining the combustion timing or phasing
-
- 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
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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
- F02D41/401—Controlling injection timing
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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
- 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
- F02D2200/0611—Fuel type, fuel composition or fuel quality
- F02D2200/0612—Fuel type, fuel composition or fuel quality determined by estimation
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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
- 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
- F02D2200/0618—Actual fuel injection timing or delay, e.g. determined from fuel pressure drop
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- 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
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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
Description
Claims (8)
- 気筒(11)内を往復動するピストン(12)と、前記気筒内に燃料を噴射する燃料噴射弁(24)とを備える圧縮自着火式内燃機関(10)で使用される燃料の燃焼性を検出する装置であって、
前記燃料噴射弁により前記気筒内に噴射された燃料の燃焼による前記機関の状態の変化量を検出する変化量検出部(43、42)と、
前記ピストンの圧縮上死点以後において前記燃料噴射弁による燃料の噴射タイミングを変化させて燃料を噴射させ、各噴射タイミングについて前記変化量検出部により前記変化量を複数回検出させ、各噴射タイミングでの前記変化量のばらつきを算出するばらつき算出部(30)と、
前記噴射タイミングと、前記ばらつき算出部により算出された前記ばらつきとの関係に基づいて、前記燃料の燃焼性を検出する燃焼性検出部(30)と、
を備えることを特徴とする燃料の燃焼性検出装置。 - 前記燃焼性検出部は、前記燃料の燃焼性として、前記ばらつき算出部により算出された前記ばらつきが最大となる噴射タイミング(t2、t12)を検出する請求項1に記載の燃料の燃焼性検出装置。
- 前記燃焼性検出部は、前記燃料の燃焼性として、前記ばらつき算出部により算出された前記ばらつきが一定状態と増加状態とで変化する噴射タイミング(t1)を検出する請求項1に記載の燃料の燃焼性検出装置。
- 前記燃焼性検出部は、前記燃料の燃焼性として、前記ばらつき算出部により算出された前記ばらつきが減少状態と一定状態とで変化する噴射タイミング(t3)を検出する請求項1に記載の燃料の燃焼性検出装置。
- 前記ばらつき算出部は、各噴射タイミングでの前記変化量のばらつきとして、複数の前記変化量の標準偏差を算出する請求項1〜4のいずれか1項に記載の燃料の燃焼性検出装置。
- 前記変化量検出部(43)は、前記燃料噴射弁により前記気筒内に噴射された燃料の燃焼による前記機関の状態の変化量として、前記機関の筒内圧の上昇量を検出する請求項1〜5のいずれか1項に記載の燃料の燃焼性検出装置。
- 前記変化量検出部(42)は、前記燃料噴射弁により前記気筒内に噴射された燃料の燃焼による前記機関の状態の変化量として、前記機関の回転速度の上昇量を検出する請求項1〜5のいずれか1項に記載の燃料の燃焼性検出装置。
- 前記燃焼性検出部により検出された前記燃焼性に基づいて、前記燃料噴射弁により燃料を噴射させる状態を制御する制御部(30)を備える請求項1〜7のいずれか1項に記載の燃料の燃焼性検出装置。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014022977A JP6248670B2 (ja) | 2014-02-10 | 2014-02-10 | 燃料の燃焼性検出装置 |
DE102015101631.1A DE102015101631B4 (de) | 2014-02-10 | 2015-02-05 | Vorrichtung zur Erfassung der Kraftstoffentzündlichkeit |
Applications Claiming Priority (1)
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JP2014022977A JP6248670B2 (ja) | 2014-02-10 | 2014-02-10 | 燃料の燃焼性検出装置 |
Publications (2)
Publication Number | Publication Date |
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JP2015148222A true JP2015148222A (ja) | 2015-08-20 |
JP6248670B2 JP6248670B2 (ja) | 2017-12-20 |
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JP2014022977A Active JP6248670B2 (ja) | 2014-02-10 | 2014-02-10 | 燃料の燃焼性検出装置 |
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DE (1) | DE102015101631B4 (ja) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009121322A (ja) * | 2007-11-14 | 2009-06-04 | Toyota Motor Corp | ディーゼル機関の制御装置 |
JP2010024870A (ja) * | 2008-07-16 | 2010-02-04 | Toyota Motor Corp | ディーゼル機関の燃料のアンチノック性指標値検出装置 |
JP2013002341A (ja) * | 2011-06-15 | 2013-01-07 | Toyota Motor Corp | セタン価推定装置 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
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DE102007054650B3 (de) | 2007-11-15 | 2009-07-09 | Continental Automotive Gmbh | Ermittlung der Kraftstoffqualität bei einer selbstzündenden Brennkraftmaschine |
WO2012131954A1 (ja) | 2011-03-30 | 2012-10-04 | トヨタ自動車 株式会社 | セタン価推定装置 |
WO2013061420A1 (ja) | 2011-10-26 | 2013-05-02 | トヨタ自動車株式会社 | 内燃機関のセタン価判定装置 |
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2014
- 2014-02-10 JP JP2014022977A patent/JP6248670B2/ja active Active
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- 2015-02-05 DE DE102015101631.1A patent/DE102015101631B4/de active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009121322A (ja) * | 2007-11-14 | 2009-06-04 | Toyota Motor Corp | ディーゼル機関の制御装置 |
JP2010024870A (ja) * | 2008-07-16 | 2010-02-04 | Toyota Motor Corp | ディーゼル機関の燃料のアンチノック性指標値検出装置 |
JP2013002341A (ja) * | 2011-06-15 | 2013-01-07 | Toyota Motor Corp | セタン価推定装置 |
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Publication number | Publication date |
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JP6248670B2 (ja) | 2017-12-20 |
DE102015101631B4 (de) | 2023-09-28 |
DE102015101631A1 (de) | 2015-08-13 |
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