JP6249668B2 - 内燃機関の制御装置 - Google Patents
内燃機関の制御装置 Download PDFInfo
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- JP6249668B2 JP6249668B2 JP2013164583A JP2013164583A JP6249668B2 JP 6249668 B2 JP6249668 B2 JP 6249668B2 JP 2013164583 A JP2013164583 A JP 2013164583A JP 2013164583 A JP2013164583 A JP 2013164583A JP 6249668 B2 JP6249668 B2 JP 6249668B2
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- JP
- Japan
- Prior art keywords
- target
- temperature
- ignition timing
- internal egr
- fire type
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- 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
- F02D41/30—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
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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
- F02D13/00—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing
- F02D13/02—Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing during engine operation
- F02D13/0261—Controlling the valve overlap
- F02D13/0265—Negative valve overlap for temporarily storing residual gas in the 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
- 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
- F02D41/0047—Controlling exhaust gas recirculation [EGR]
- F02D41/006—Controlling exhaust gas recirculation [EGR] using internal EGR
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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
- Y02T10/12—Improving ICE efficiencies
-
- 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)
- Output Control And Ontrol Of Special Type Engine (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Description
図1は、本実施形態に係る内燃機関(以下、単に「エンジン」という)1及びその制御装置の構成を示す図である。
筒内吸入ガス温度推定値TA(k)は、新たに気筒内に導入されるガスの温度に相当し、例えば、吸気センサによって検出された吸気温度に基づいて既知の方法によって算出される。
先ず、筒内ガスの圧縮初期温度を”T1”とし、圧縮比を”ε”とし、比熱比を”κ”とすると、圧縮端温度Tは、下記式(6)で算出される。
図12は、上記火種着火時期温度制御のシミュレーションによる結果を示す図である。図12には、上段から順に、目標火種着火時期温度、係数α、目標内部EGR率、及び目標火種着火時期実効圧縮比の変化を示す。また、図12には、時刻t0からt1にかけて目標火種着火時期温度が一定の割合で増加するように要求トルクTRQを変化させた場合を示す。
14i…吸気バルブ
14e…排気バルブ
18i…IN側VTC(可変動弁機構)
18e…EX側VTC(可変動弁機構)
5…ECU(目標火種着火時期温度設定手段、目標内部EGR率設定手段、係数算出手段、制御手段、内部EGR温度取得手段、吸入ガス温度取得手段)
61…筒内圧センサ
66…吸気センサ(吸入ガス温度取得手段)
67…排気温度センサ(内部EGR温度取得手段)
Claims (2)
- 既燃ガスの一部を内部EGRガスとして気筒内に残留させるとともに、当該気筒内に形成された均質混合気内に火種用の燃料を噴射及び着火し、これを火種として均質混合気を圧縮着火によって燃焼させる火種補助圧縮着火式の内燃機関の制御装置であって、
内部EGR率及び実効圧縮比を変更可能な排気バルブ及び吸気バルブの可変動弁機構と、
内部EGRガスの温度である内部EGR温度を取得する内部EGR温度取得手段と、
前記気筒内に導入される吸気の温度である吸入ガス温度を取得する吸入ガス温度取得手段と、
火種用混合気の着火時期に対する目標である目標火種着火時期を設定する目標火種着火時期設定手段と、
前記目標火種着火時期における筒内温度の目標である目標火種着火時期温度を設定する目標火種着火時期温度設定手段と、
前記内部EGR温度、前記吸入ガス温度、前記目標火種着火時期温度、及び所定の係数を変数として含む内部EGR率に対する2次方程式の解を目標内部EGR率として設定する目標内部EGR率設定手段と、
前記所定の係数と前記目標内部EGR率の積の冪根を前記目標火種着火時期における実効圧縮比の目標である目標火種着火時期実効圧縮比を設定する目標実効圧縮比設定手段と、
当該目標内部EGR率及び前記目標火種着火時期実効圧縮比が実現されるように前記可変動弁機構の作動量を設定する制御手段と、を備えることを特徴とする内燃機関の制御装置。 - 前記目標火種着火時期と、前記目標火種着火時期温度と、前記目標火種着火時期と同じ燃焼サイクルにおけるポンプロスの目標である目標ポンプロスとを入力として、予め設定された統計モデルによって前記所定の係数を算出する係数算出手段をさらに備えることを特徴とする請求項1に記載の内燃機関の制御装置。
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JP2013164583A JP6249668B2 (ja) | 2013-08-07 | 2013-08-07 | 内燃機関の制御装置 |
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JP2013164583A JP6249668B2 (ja) | 2013-08-07 | 2013-08-07 | 内燃機関の制御装置 |
Publications (2)
Publication Number | Publication Date |
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JP2015034475A JP2015034475A (ja) | 2015-02-19 |
JP6249668B2 true JP6249668B2 (ja) | 2017-12-20 |
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Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
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JP6249667B2 (ja) * | 2013-08-07 | 2017-12-20 | 本田技研工業株式会社 | 内燃機関の制御装置 |
WO2018096589A1 (ja) * | 2016-11-22 | 2018-05-31 | マツダ株式会社 | 圧縮自己着火式エンジンの制御装置 |
WO2018096584A1 (ja) * | 2016-11-22 | 2018-05-31 | マツダ株式会社 | 圧縮自己着火式エンジンの制御装置 |
WO2018096585A1 (ja) | 2016-11-22 | 2018-05-31 | マツダ株式会社 | 圧縮自己着火式エンジンの制御装置 |
WO2018096590A1 (ja) * | 2016-11-22 | 2018-05-31 | マツダ株式会社 | 圧縮自己着火式エンジンの制御装置 |
Family Cites Families (12)
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JP3927395B2 (ja) * | 2001-09-28 | 2007-06-06 | 株式会社日立製作所 | 圧縮着火エンジンの制御装置 |
JP4564911B2 (ja) * | 2005-09-30 | 2010-10-20 | 本田技研工業株式会社 | 内燃機関のegr制御装置 |
JP4639177B2 (ja) * | 2006-11-14 | 2011-02-23 | 本田技研工業株式会社 | 内燃機関の制御装置 |
JP4421607B2 (ja) * | 2006-12-27 | 2010-02-24 | 本田技研工業株式会社 | 内燃機関のegr制御装置 |
JP4444275B2 (ja) * | 2006-12-28 | 2010-03-31 | 本田技研工業株式会社 | 内燃機関の制御装置 |
JP2009197740A (ja) * | 2008-02-22 | 2009-09-03 | Mazda Motor Corp | エンジンの吸排気制御方法および吸排気制御装置 |
JP2010144558A (ja) * | 2008-12-17 | 2010-07-01 | Mazda Motor Corp | エンジンの制御方法および制御装置 |
JP5644123B2 (ja) * | 2010-01-27 | 2014-12-24 | マツダ株式会社 | エンジンの制御方法および制御装置 |
JP5540730B2 (ja) * | 2010-01-27 | 2014-07-02 | マツダ株式会社 | 火花点火式エンジンの制御装置 |
JP5540729B2 (ja) * | 2010-01-27 | 2014-07-02 | マツダ株式会社 | 過給機付エンジンの制御方法および制御装置 |
JP5364636B2 (ja) * | 2010-04-05 | 2013-12-11 | 本田技研工業株式会社 | 内燃機関の制御装置 |
JP6249667B2 (ja) * | 2013-08-07 | 2017-12-20 | 本田技研工業株式会社 | 内燃機関の制御装置 |
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