JP2006189053A - エンジンの空気側制御における燃料供給レートの基準を用いる方法およびシステム - Google Patents
エンジンの空気側制御における燃料供給レートの基準を用いる方法およびシステム Download PDFInfo
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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]
- F02D41/005—Controlling exhaust gas recirculation [EGR] according to engine operating conditions
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- 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
- F02D41/0002—Controlling intake air
- F02D41/0007—Controlling intake air for control of turbo-charged or super-charged engines
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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
- F02D41/14—Introducing closed-loop corrections
- F02D41/1438—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
- F02D41/1444—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases
- F02D41/146—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases the characteristics being an NOx content or concentration
- F02D41/1461—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases the characteristics being an NOx content or concentration of the exhaust gases emitted by the engine
- F02D41/1462—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases the characteristics being an NOx content or concentration of the exhaust gases emitted by the engine with determination means using an 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
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/14—Introducing closed-loop corrections
- F02D41/1438—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
- F02D41/1444—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases
- F02D41/1466—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases the characteristics being a soot concentration or content
- F02D41/1467—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases the characteristics being a soot concentration or content with determination means using an estimation
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- 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
- F02D41/403—Multiple injections with pilot injections
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B29/00—Engines characterised by provision for charging or scavenging not provided for in groups F02B25/00, F02B27/00 or F02B33/00 - F02B39/00; Details thereof
- F02B29/04—Cooling of air intake supply
- F02B29/0406—Layout of the intake air cooling or coolant circuit
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B29/00—Engines characterised by provision for charging or scavenging not provided for in groups F02B25/00, F02B27/00 or F02B33/00 - F02B39/00; Details thereof
- F02B29/04—Cooling of air intake supply
- F02B29/0493—Controlling the air charge 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
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/24—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means
- F02D41/26—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using computer, e.g. microprocessor
- F02D41/266—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using computer, e.g. microprocessor the computer being backed-up or assisted by another circuit, e.g. analogue
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
- F02M26/02—EGR systems specially adapted for supercharged engines
- F02M26/04—EGR systems specially adapted for supercharged engines with a single turbocharger
- F02M26/05—High pressure loops, i.e. wherein recirculated exhaust gas is taken out from the exhaust system upstream of the turbine and reintroduced into the intake system downstream of the compressor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
- F02M26/13—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories
- F02M26/22—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories with coolers in the recirculation passage
- F02M26/23—Layout, e.g. schematics
- F02M26/24—Layout, e.g. schematics with two or more coolers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
- F02M26/13—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories
- F02M26/22—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories with coolers in the recirculation passage
- F02M26/33—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories with coolers in the recirculation passage controlling the temperature of the recirculated gases
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
- F02M26/45—Sensors specially adapted for EGR systems
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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
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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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- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
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- Exhaust-Gas Circulating Devices (AREA)
Abstract
【解決手段】ターボチャージャ33に流体結合された吸気マニホールド22を有する内燃機関20とともに使用するように適合し得る。このターボチャージャは、吸気マニホールド空気圧(MAP)52および吸気マニホールド空気流(MAF)50に影響を及ぼす。この内燃機関は、このエンジンの吸気マニホールド内に燃料を噴射する1つまたは複数の燃料噴射器38も含む。
【選択図】図1
Description
F.Borrelli、「Constrained Optimal Control of Linear and Hybrid Systems(線形およびハイブリッドシステムの条件付き最適制御)」、Vol. 290、Lecture Notes in Control and Information Sciences、Springer、2003年
y(t)=B0*u(t)+B1*u(t−1)+..+Bn*u(t−n)+A1*y(t−1)+...+Am*y(t−m)
である。ただし、B0...BnおよびA1...Amは、定数行列である。動的モデルでは、時間tにおける出力であるy(t)は、現在の入力u(t)、1つまたは複数の過去の入力u(t−1),...,u(t−n)、さらに、1つまたは複数の過去の出力y(t−1)...y(t−m)に基づく。
y(t)=B0u(t)
ここで示す静的モデルは、単純な行列乗数である。静的モデルは一般に、入力u(t−1)、u(t−2)...または出力y(t−1)...などの「記憶」をもたない。その結果、静的モデルはより簡単になり得るが、ある種の動的なシステムパラメータをモデル化するにはあまり強力ではないことがある。
x(t+1)=Ax(t)+Bu(t)
y(t)=Cx(t)
モデル予測アルゴリズムは、
u(k)=arg min{J}
という問題を解くことを必要とする。ただし、関数Jは、
20 ディーゼルエンジン
22 吸気マニホールド
24 排気マニホールド
26 燃料噴射器コントローラ
28 燃料噴射器
30 タービン
32 排気管
33 ターボチャージャ
34 圧縮機
40 圧縮空気冷却器
58 排気ガス再循環弁
64 EGR冷却器
78 インターフェース
80 空気側コントローラ、MPC
82 状態オブザーバー
84 MPCコントローラ
100 ディーゼルエンジンシステム
102 ディーゼルエンジン
106 燃料噴射器コントローラ
108 空気側コントローラ
116 燃料供給プロフィール
126 スピードコントローラ
136 スピード制御ブロック、スピードコントローラ
150 スピードコントローラ
174 コンパレータ
176 スピード制御ブロック、スピードコントローラ
204 空気側コントローラ
244 燃料側コントローラ
248 燃料供給プロフィール
250 空気側の位置およびレートマップ
256 空気側コントローラ
300 ディーゼルエンジンシステム
302 ディーゼルエンジン
306 燃料噴射器コントローラ
320 空気側コントローラ
360 空気側コントローラ
406 燃料側コントローラ
414 空気側コントローラ
420 インターフェース
Claims (4)
- ターボチャージャ(33)は、吸気マニホールド(22)内のマニホールド空気圧(MAP)(52)およびマニホールド空気流(MAF)(50)に影響を及ぼし、内燃機関(20)は、前記内燃機関(20)の前記吸気マニホールド(22)内に燃料を噴射する1つまたは複数の燃料噴射器(38)も有し、
前記1つまたは複数の燃料噴射器(38)を利用して、前記内燃機関(20)に燃料供給プロフィールを導入するステップと、
前記燃料供給プロフィールに関係する1つまたは複数の信号を提供するステップと、
前記燃料供給プロフィールに関係する前記1つまたは複数の信号に少なくとも部分的に基づいて、前記吸気マニホールド(22)内の空気の前記マニホールド空気圧(MAP)(52)および/または前記マニホールド空気流(MAF)(50)を調節するステップとを含む、
ターボチャージャ(33)に流体結合された吸気マニホールド(22)を有する内燃機関(20)を制御する方法。 - 前記内燃機関(20)は、排気マニホールド(24)と、前記排気マニホールド(24)から排気ガスを受け取り、前記吸気マニホールド(22)にある量の排気ガスを供給する排気ガス再循環(EGR)弁とを含み、前記量は、前記EGR弁(58)の設定点によって設定され、前記調節ステップは、前記EGR弁(58)の前記設定点を調節して、前記吸気マニホールド(22)内の空気の空気組成をもたらす、請求項1に記載の方法。
- 前記内燃機関(20)の前記排気ガスの組成に関係する1つまたは複数のパラメータの現在の値を感知するステップをさらに含み、
前記調節ステップは、前記EGR弁(58)の前記設定点を調節して、前記1つまたは複数の感知されたパラメータの少なくとも1つの今後の値をもたらす、請求項2に記載の方法。 - ターボチャージャ(33)は、吸気マニホールド(22)内のマニホールド空気圧(MAP)(52)およびマニホールド空気流(MAF)(50)に影響を及ぼし、内燃機関(20)は、前記内燃機関(20)の前記吸気マニホールド(22)内に燃料を噴射する1つまたは複数の燃料噴射器(38)も有し、前記内燃機関(20)は、排気マニホールド(24)と、前記排気マニホールド(24)から排気ガスを受け取り、前記吸気マニホールド(22)にある量の排気ガスを供給する排気ガス再循環(EGR)弁を有し、前記排気ガスの量は、前記EGR弁(58)の設定点によって設定され、前記方法は、
前記1つまたは複数の燃料噴射器(38)を利用して、前記内燃機関(20)に燃料供給プロフィールを導入するステップと、
前記燃料供給プロフィールに関係する1つまたは複数の信号を提供するステップと、
前記燃料供給プロフィールに関係する前記1つまたは複数の信号に少なくとも部分的に基づいて、前記EGR弁(58)の前記設定点を調節するステップとを含む、
ターボチャージャ(33)に流体結合された吸気マニホールド(22)を有する内燃機関(20)を制御する方法。
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US11/025,563 US7165399B2 (en) | 2004-12-29 | 2004-12-29 | Method and system for using a measure of fueling rate in the air side control of an engine |
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JP2006189053A5 JP2006189053A5 (ja) | 2008-09-18 |
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Also Published As
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US7165399B2 (en) | 2007-01-23 |
EP1686252A1 (en) | 2006-08-02 |
US20060137340A1 (en) | 2006-06-29 |
EP1686252B1 (en) | 2019-09-11 |
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