JP2017002825A - ディーゼル機関の制御装置 - Google Patents
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- 239000000446 fuel Substances 0.000 claims abstract description 114
- 238000002485 combustion reaction Methods 0.000 claims abstract description 86
- 238000004364 calculation method Methods 0.000 claims abstract description 28
- 238000002347 injection Methods 0.000 claims abstract description 16
- 239000007924 injection Substances 0.000 claims abstract description 16
- 230000035945 sensitivity Effects 0.000 claims description 17
- 239000000203 mixture Substances 0.000 abstract description 11
- 239000000243 solution Substances 0.000 abstract 1
- 239000004071 soot Substances 0.000 description 20
- 238000000034 method Methods 0.000 description 17
- 239000002828 fuel tank Substances 0.000 description 5
- 230000001629 suppression Effects 0.000 description 5
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 238000012821 model calculation Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 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
- 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
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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
- 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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- 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
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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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- 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
- F02D41/3809—Common rail control systems
- F02D41/3836—Controlling the fuel pressure
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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
- F02B3/00—Engines characterised by air compression and subsequent fuel addition
- F02B3/06—Engines characterised by air compression and subsequent fuel addition with compression 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
- 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
- F02D13/0223—Variable control of the intake valves only
- F02D13/0234—Variable control of the intake valves only changing the valve timing only
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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
- F02D41/0002—Controlling intake air
- F02D2041/001—Controlling intake air for engines with variable valve actuation
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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
- F02D2200/0611—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
- F02D2250/00—Engine control related to specific problems or objectives
- F02D2250/38—Control for minimising smoke emissions, e.g. by applying smoke limitations on the fuel injection amount
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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
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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
- F02D41/405—Multiple injections with post injections
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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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- Combined Controls Of Internal Combustion Engines (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Abstract
【解決手段】ディーゼル機関であるエンジン10は、燃焼室11b内に燃料を噴射するインジェクタ17を備えている。ECU40は、燃料の性状を示す複数の性状パラメータを取得するパラメータ取得手段と、複数の性状パラメータと燃料における複数の分子構造量との相関を定義した相関データを用い、複数の性状パラメータの取得値に基づいて複数の分子構造量を算出する構造量算出手段と、複数の分子構造量に基づいて、エンジン10の燃焼状態を示す燃焼パラメータを算出する燃焼状態算出手段と、燃焼パラメータに基づいて、インジェクタ17から燃焼室11bに噴射される燃料の燃焼に関する燃焼制御を実施する制御手段と、を備える。
【選択図】 図1
Description
上記実施形態を例えば次のように変更してもよい。
Claims (5)
- 燃焼室(11b)内に燃料を噴射する燃料噴射弁(17)を備えるディーゼル機関(10)を制御する制御装置(40)であって、
前記燃料の性状を示す複数の性状パラメータを取得するパラメータ取得手段と、
前記複数の性状パラメータと前記燃料における複数の分子構造量との相関を定義した相関データを用い、前記複数の性状パラメータの取得値に基づいて前記複数の分子構造量を算出する構造量算出手段と、
前記構造量算出手段により算出した前記複数の分子構造量に基づいて、前記ディーゼル機関の燃焼状態を示す燃焼パラメータを算出する燃焼状態算出手段と、
前記燃焼パラメータに基づいて、前記燃料噴射弁から前記燃焼室に噴射される燃料の燃焼に関する燃焼制御を実施する制御手段と、
を備えることを特徴とするディーゼル機関の制御装置。 - 前記相関データは、前記複数の性状パラメータに対する前記複数の分子構造量の依存度を示す感度係数を用い、前記複数の分子構造量に前記感度係数を反映することで前記複数の性状パラメータを導出する性状算出モデルに基づき構築されたものであって、前記性状算出モデルの逆モデルで表したパラメータ演算式であり、
前記構造量算出手段は、前記パラメータ演算式により、前記複数の性状パラメータの取得値に基づいて前記複数の分子構造量を算出する請求項1に記載のディーゼル機関の制御装置。 - 前記燃焼状態算出手段により算出対象となる燃焼パラメータを特定し、その燃焼パラメータに応じて、前記相関データの感度係数又は感度係数の換算値の設定を行う設定手段を備える請求項2に記載のディーゼル機関の制御装置。
- 前記パラメータ取得手段は、前記複数の性状パラメータとして、少なくとも燃料の動粘度と密度とを取得し、
前記構造量算出手段は、少なくとも燃料の動粘度と密度とを含む複数の性状パラメータと前記複数の分子構造量との相関を定義した相関データを用いて、前記複数の分子構造量を算出する請求項1乃至3のいずれか1項に記載のディーゼル機関の制御装置。 - 前記パラメータ取得手段は、前記複数の性状パラメータとして、燃料の温度条件及び圧力条件の少なくともいずれかを相違させた性状パラメータを取得し、
前記構造量算出手段は、前記温度条件及び前記圧力条件の少なくともいずれかを相違させた性状パラメータを含む複数の性状パラメータと、前記複数の分子構造量との相関を定義した相関データを用いて、前記複数の分子構造量を算出する請求項1乃至4のいずれか1項に記載のディーゼル機関の制御装置。
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JP2015118128A JP6424747B2 (ja) | 2015-06-11 | 2015-06-11 | ディーゼル機関の制御装置 |
DE102016110516.3A DE102016110516B4 (de) | 2015-06-11 | 2016-06-08 | Controller für eine Dieselmaschine |
US15/176,490 US10072598B2 (en) | 2015-06-11 | 2016-06-08 | Controller for diesel engine |
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JP2015118128A JP6424747B2 (ja) | 2015-06-11 | 2015-06-11 | ディーゼル機関の制御装置 |
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JP6424747B2 JP6424747B2 (ja) | 2018-11-21 |
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Cited By (3)
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JP2016169660A (ja) * | 2015-03-12 | 2016-09-23 | 株式会社デンソー | ディーゼル機関の制御装置 |
JP2017002824A (ja) * | 2015-06-11 | 2017-01-05 | 株式会社デンソー | ディーゼル機関の制御装置 |
JP2018200025A (ja) * | 2017-05-26 | 2018-12-20 | 株式会社デンソー | 燃料系制御装置 |
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JP2017002845A (ja) * | 2015-06-11 | 2017-01-05 | 株式会社デンソー | 燃料推定装置 |
JP6421702B2 (ja) * | 2015-06-11 | 2018-11-14 | 株式会社デンソー | 燃焼システム制御装置 |
JP6536369B2 (ja) | 2015-11-12 | 2019-07-03 | 株式会社デンソー | 潤滑性推定装置および燃料供給制御装置 |
JP6477434B2 (ja) | 2015-11-12 | 2019-03-06 | 株式会社デンソー | 燃焼システムの推定装置 |
JP6436064B2 (ja) * | 2015-11-12 | 2018-12-12 | 株式会社デンソー | デポジット推定装置および燃焼システム制御装置 |
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JP6424747B2 (ja) | 2018-11-21 |
DE102016110516B4 (de) | 2021-12-02 |
US10072598B2 (en) | 2018-09-11 |
US20160363080A1 (en) | 2016-12-15 |
DE102016110516A1 (de) | 2016-12-15 |
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