JP4760685B2 - 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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- 238000002485 combustion reaction Methods 0.000 title claims description 78
- 238000002347 injection Methods 0.000 claims description 254
- 239000007924 injection Substances 0.000 claims description 254
- 239000000446 fuel Substances 0.000 claims description 158
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 83
- 239000001301 oxygen Substances 0.000 claims description 83
- 229910052760 oxygen Inorganic materials 0.000 claims description 83
- 230000008929 regeneration Effects 0.000 claims description 43
- 238000011069 regeneration method Methods 0.000 claims description 43
- 238000000746 purification Methods 0.000 claims description 20
- 238000001514 detection method Methods 0.000 claims description 7
- 239000007789 gas Substances 0.000 description 31
- 238000000034 method Methods 0.000 description 29
- 230000008859 change Effects 0.000 description 26
- 238000004364 calculation method Methods 0.000 description 19
- 230000008569 process Effects 0.000 description 17
- 239000013618 particulate matter Substances 0.000 description 15
- 230000004043 responsiveness Effects 0.000 description 14
- 230000003647 oxidation Effects 0.000 description 9
- 238000007254 oxidation reaction Methods 0.000 description 9
- 239000003054 catalyst Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 7
- 230000007704 transition Effects 0.000 description 6
- 230000007423 decrease Effects 0.000 description 5
- 230000004044 response Effects 0.000 description 4
- 238000009825 accumulation Methods 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 3
- 238000011144 upstream manufacturing Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 230000027734 detection of oxygen Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000036284 oxygen consumption Effects 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 230000000979 retarding effect Effects 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N11/00—Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity
- F01N11/002—Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity the diagnostic devices measuring or estimating temperature or pressure in, or downstream of the exhaust apparatus
- F01N11/005—Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity the diagnostic devices measuring or estimating temperature or pressure in, or downstream of the exhaust apparatus the temperature or pressure being estimated, e.g. by means of a theoretical model
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/08—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous
- F01N3/10—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for rendering innocuous by thermal or catalytic conversion of noxious components of exhaust
- F01N3/105—General auxiliary catalysts, e.g. upstream or downstream of the main catalyst
- F01N3/106—Auxiliary oxidation catalysts
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- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/021—Introducing corrections for particular conditions exterior to the engine
- F02D41/0235—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/021—Introducing corrections for particular conditions exterior to the engine
- F02D41/0235—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus
- F02D41/027—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus to purge or regenerate the exhaust gas treating apparatus
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- 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
- F02D41/1454—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 oxygen content or concentration or the air-fuel ratio
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- 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
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2430/00—Influencing exhaust purification, e.g. starting of catalytic reaction, filter regeneration, or the like, by controlling engine operating characteristics
- F01N2430/08—Influencing exhaust purification, e.g. starting of catalytic reaction, filter regeneration, or the like, by controlling engine operating characteristics by modifying ignition or injection timing
- F01N2430/085—Influencing exhaust purification, e.g. starting of catalytic reaction, filter regeneration, or the like, by controlling engine operating characteristics by modifying ignition or injection timing at least a part of the injection taking place during expansion or exhaust stroke
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N2560/00—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics
- F01N2560/02—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being an exhaust gas sensor
- F01N2560/025—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being an exhaust gas sensor for measuring or detecting O2, e.g. lambda sensors
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- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N3/00—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust
- F01N3/02—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust
- F01N3/021—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters
- F01N3/033—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters in combination with other devices
- F01N3/035—Exhaust or silencing apparatus having means for purifying, rendering innocuous, or otherwise treating exhaust for cooling, or for removing solid constituents of, exhaust by means of filters in combination with other devices with catalytic reactors, e.g. catalysed diesel particulate filters
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- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B37/00—Engines characterised by provision of pumps driven at least for part of the time by exhaust
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- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/021—Introducing corrections for particular conditions exterior to the engine
- F02D41/0235—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus
- F02D2041/0265—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus to decrease temperature of the exhaust gas treating apparatus
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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
- F02D2200/08—Exhaust gas treatment apparatus parameters
- F02D2200/0802—Temperature of the exhaust gas treatment apparatus
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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
- F02D2250/18—Control of the engine output torque
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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
- F02D41/021—Introducing corrections for particular conditions exterior to the engine
- F02D41/0235—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus
- F02D41/027—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus to purge or regenerate the exhaust gas treating apparatus
- F02D41/029—Introducing corrections for particular conditions exterior to the engine in relation with the state of the exhaust gas treating apparatus to purge or regenerate the exhaust gas treating apparatus the exhaust gas treating apparatus being a particulate filter
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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
- F02D41/18—Circuit arrangements for generating control signals by measuring intake air flow
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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
- F02M45/00—Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship
- F02M45/02—Fuel-injection apparatus characterised by having a cyclic delivery of specific time/pressure or time/quantity relationship with each cyclic delivery being separated into two or more parts
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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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- Mechanical Engineering (AREA)
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- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
- Processes For Solid Components From Exhaust (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
Description
以下、本発明にかかる内燃機関の制御装置を車載ディーゼル機関の制御装置に適用した第1の実施形態について、図面を参照しつつ説明する。
ディーゼル機関10の空燃比は、1燃焼サイクル内における噴射量に対する吸気量の比である。ここで、1燃焼サイクル内の噴射量は、1燃焼サイクル内で噴射した燃料のエネルギEtotalと相関を有する。また、1燃焼サイクル内の空気量は、排気のうちの燃料に起因するもの以外の質量エネルギと相関を有し、ひいては、その熱容量Caと相関を有する。このため、適当な係数K1を用いることで、空燃比A/Fは、エネルギEtotal及び熱容量Caを用いて以下の式にて表すことができる。
ここで、通常、燃料質量と比較して吸気質量が1桁大きい量であることに鑑みれば、上記の式において、熱容量Caは、排気の熱容量Cgasにて近似することができる。すなわち、空燃比A/Fは、以下の式(c1)にて表現することができる。
一方、1燃焼サイクル内で噴射した燃料のエネルギEtotalから、ディーゼル機関10の出力トルクの生成に寄与したエネルギEtrqを減算したエネルギは、熱エネルギEexとなる。熱エネルギEexは、燃焼室20内において、ディーゼル機関10に吸入される空気の温度を上昇させ、また、未燃燃料の酸化発熱により排気の温度を上昇させる。一方、DPF28の温度が定常状態であるときには、排気の温度とDPF28の温度とは等しいと考えられる。そして、この際には、吸気の温度に対する排気の温度上昇量ΔTdpfは、所定の係数K2を用いて以下の式(c2)にて表現することができる。
上記の式(c2)における熱エネルギEexを上記の式(c1)に代入することで、下記の式(c3)を得る。
以上より、空燃比A/F及び比「Etrq/Cgas」を一定とすることができれば、排気の温度上昇量ΔTdpfを一定とすることができる。このため、DPF28の温度上昇を回避することができる。実際、図4に示すように、DPF28の温度は、ディーゼル機関10の出力トルクと相関を有する負荷と空燃比A/Fとに依存して変化する。詳しくは、負荷が一定であれば、空燃比が大きいほどDPF28の温度が低下する。これは、負荷一定を比「Etrq/Cgas」一定と見なすと、空燃比が大きいほど排気の温度上昇量ΔTdpfが小さくならなければならないという上記の式(c3)の要請と一致する。また、図4に示されるように、空燃比が一定のときには、負荷が大きいほどDPF28の温度が低くなる。これは、比「Etrq/Cgas」が大きくなるとき、空燃比を一定とするためには排気の温度上昇量ΔTdpfが低下しなければならないという上記の式(c3)の要請と一致する。
図6に、ECU40の行なう処理のうち、特に再生制御に関する処理を示す。
Cex
={GN/1000×Kair/0.9×1/100−Df×Qtotal×Kcon}
/{Df×Qtotal+GN/1000}
…(c4)
上記の式(c4)において、実吸気量GNの単位は、「mg/cyl(cyl:1燃焼サイクル)」であり、実酸素濃度Cexの単位は百分率である。また、係数Kairは、大気の体積酸素濃度(百分率)であり、「0.9」は体積を質量に換算するための係数であり、係数Kconは、単位燃料あたりの酸素消費量であり、係数Dfは、燃料の密度「g/mm3」である。上記の式(c4)において、分子第1項は、吸気量GNに含まれる酸素の質量を示し、分子第2項は、実総噴射量Qtotalが全て酸化した場合の消費酸素質量を示す。上記の式(c4)を、実総噴射量Qtotalについて解くと、以下の式(c5)となる。
Qtotal=
GN/1000
×(Kair/0.9−Cex)/(Kcon×100+Cex)
×1/Df …(c5)
総噴射量算出部B16では、上記の式(c5)を用いて、実総噴射量Qtotalを算出する。
Qtrg=
GNb/1000
×(Kair/0.9−O2trg)/(Kcon×100+O2trg)
×1/Df …(c5)
噴射量補正量算出部B22では、実総噴射量Qtotalを目標総噴射量Qtrgにフィードバック制御するための噴射量の補正量を算出する。本実施形態では、メイン噴射、アフタ噴射、及び2段のポスト噴射のそれぞれの補正量を算出する。本実施形態では、実総噴射量Qtotal及び目標総噴射量Qtrgの差に基づく比例項及び積分項の和として総補正量を算出し、総補正量を、メイン噴射、アフタ噴射、及び2段のポスト噴射のそれぞれに割り振る。詳しくは、上記総補正量を等量分割して各噴射の補正量とする。
以下、第2の実施形態について、先の第1の実施形態との相違点を中心に図面を参照しつつ説明する。
以下、第3の実施形態について、先の第1の実施形態との相違点を中心に図面を参照しつつ説明する。
なお、上記各実施形態は、以下のように変更して実施してもよい。
Claims (11)
- 内燃機関の排気系に設けられる排気浄化装置の再生制御を行う内燃機関の制御装置において、
前記内燃機関は、ディーゼル機関であり、
前記排気浄化装置は、ディーゼルパテキュレートフィルタであり、
前記再生制御に際し、前記排気浄化装置の目標温度を設定する設定手段と、
前記再生制御に際し、前記目標温度に応じて設定される目標空燃比に実際の空燃比をフィードバック制御すべく、前記空燃比を制御するためのアクチュエータを操作する操作手段と、
前記再生制御に際し、該再生制御とって適切な吸気量となるように、前記内燃機関の吸気通路内の流路面積を調節する調節手段を操作する手段と、
前記内燃機関の燃料噴射弁に対する指令噴射量であって且つ前記内燃機関の出力トルクの生成に寄与するメイン噴射を含む指令噴射量のベース値を算出する手段とを備え、
前記目標空燃比は、前記指令噴射量のベース値と前記適切な吸気量との双方に関連付けられて設定されることを特徴とする内燃機関の制御装置。 - 前記目標空燃比が前記指令噴射量のベース値に関連付けられて設定されるとは、前記目標空燃比が、前記内燃機関のトルクと関連付けられて設定されることであることを特徴とする請求項1記載の内燃機関の制御装置。
- 前記操作手段は、前記アクチュエータとしての前記内燃機関の燃料噴射弁を操作することを特徴とする請求項1または2記載の内燃機関の制御装置。
- 前記操作手段は、前記内燃機関の実際の空燃比及び前記内燃機関の吸気量の検出値に基づき実際の噴射量を算出する手段を備え、該算出される噴射量と目標噴射量との差に基づき、前記燃料噴射弁を操作することを特徴とする請求項3記載の内燃機関の制御装置。
- 前記再生制御に際し、前記排気浄化装置の目標温度を可変設定する設定手段を更に備え、
前記ベース値は、前記可変設定される目標温度に応じて設定されることを特徴とする請求項1〜4のいずれかに記載の内燃機関の制御装置。 - 前記操作手段は、前記算出される噴射量と目標噴射量との差に基づき前記燃料噴射弁の基本となる操作量としての前記ベース値についての補正量を算出するものであって且つ、前記燃料噴射弁の基本となる操作量は、実際の空燃比を前記目標空燃比に制御するためのフィードフォワード操作量として適合されてなることを特徴とする請求項4記載の内燃機関の制御装置。
- 前記操作手段は、前記アクチュエータとしての前記内燃機関の吸気通路内の流路面積を調節する調節手段を操作することを特徴とする請求項1〜6のいずれかに記載の内燃機関の制御装置。
- 前記操作手段は、実際の空燃比と前記目標空燃比との差に基づき、前記調節手段の基本となる操作量についての補正量を算出するものであって且つ、前記調節手段の基本となる操作量は、前記適切な吸気量とするための操作量として適合されてなることを特徴とする請求項7記載の内燃機関の制御装置。
- 前記操作手段は、前記アクチュエータとしての前記内燃機関の吸気通路内の流路面積を調節する調節手段を操作する流量操作手段と、前記アクチュエータとしての前記内燃機関の燃料噴射弁を操作する噴射量操作手段とを備えて且つ、前記内燃機関の高負荷運転時には前記流量操作手段を用い、前記内燃機関の低負荷運転時には前記噴射量操作手段を用いることを特徴とする請求項1又は2記載の内燃機関の制御装置。
- 前記操作手段は、前記アクチュエータとしての前記内燃機関の吸気通路内の流路面積を調節する調節手段を操作する流量操作手段と、前記アクチュエータとしての前記内燃機関の燃料噴射弁を操作する噴射量操作手段とを備えて且つ、前記内燃機関の高負荷運転時には前記流量操作手段を用い、前記内燃機関の低負荷運転時には前記噴射量操作手段及び前記流量操作手段の双方を用いることを特徴とする請求項1又は2記載の内燃機関の制御装置。
- 前記内燃機関の排気系の酸素濃度を検出する検出手段の検出結果によって、前記内燃機関の実際の空燃比を間接的に把握することを特徴とする請求項1〜10のいずれかに記載の内燃機関の制御装置。
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JP2008215079A (ja) * | 2007-02-28 | 2008-09-18 | Nissan Diesel Motor Co Ltd | ディーゼルエンジンの排気浄化装置 |
JP4654287B2 (ja) * | 2008-11-11 | 2011-03-16 | 本田技研工業株式会社 | 内燃機関の空燃比制御装置 |
ITMI20091080A1 (it) | 2009-06-18 | 2010-12-19 | Dellorto Spa | Sistema ed apparecchiatura di controllo di egr nell'impianto di alimentazione di motori a combustione interna sovralimentati |
US8607549B2 (en) * | 2009-07-31 | 2013-12-17 | Ford Global Technologies, Llc | Controlling regeneration of an emission control device |
US8215294B2 (en) * | 2010-01-06 | 2012-07-10 | GM Global Technology Operations LLC | Method and system for controlling an engine during diesel particulate filter regeneration warm-up |
US8484956B2 (en) * | 2010-02-12 | 2013-07-16 | Woodward, Inc. | Diesel particulate filter regeneration control using a wide band oxygen sensor |
JP5056982B2 (ja) * | 2010-03-11 | 2012-10-24 | トヨタ自動車株式会社 | 内燃機関の制御装置 |
IT1402821B1 (it) * | 2010-11-10 | 2013-09-27 | Magneti Marelli Spa | Metodo per determinare la legge di iniezione di un iniettore di carburante utilizzando un banco a rulli |
DE102011083458A1 (de) * | 2011-09-27 | 2013-03-28 | Bayerische Motoren Werke Aktiengesellschaft | Verfahren zum Einbringen von unverbrannten Kohlenwasserstoffen in einen Abgastrakt einer Brennkraftmaschine |
DE102011085115B4 (de) * | 2011-10-24 | 2022-07-07 | Robert Bosch Gmbh | Verfahren und Vorrichtung zur Adaption einer Lambdaregelung |
US20130139504A1 (en) * | 2011-12-01 | 2013-06-06 | GM Global Technology Operations LLC | Exahust system and method for controlling temperature of exhaust gas |
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US9599062B2 (en) * | 2014-07-28 | 2017-03-21 | Ford Global Technologies, Llc | Method of pilot injection control |
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JP6657876B2 (ja) * | 2015-12-03 | 2020-03-04 | いすゞ自動車株式会社 | 内燃機関及びその制御方法 |
JP7107079B2 (ja) * | 2018-08-07 | 2022-07-27 | トヨタ自動車株式会社 | 内燃機関の制御装置 |
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JPS62223427A (ja) * | 1986-03-20 | 1987-10-01 | Nissan Motor Co Ltd | 空燃比制御装置 |
DE3940752A1 (de) * | 1989-12-09 | 1991-06-13 | Bosch Gmbh Robert | Verfahren zum steuern eines ottomotors ohne drosselklappe |
US5983627A (en) * | 1997-09-02 | 1999-11-16 | Ford Global Technologies, Inc. | Closed loop control for desulfating a NOx trap |
JPH11159376A (ja) * | 1997-11-25 | 1999-06-15 | Toyota Motor Corp | 内燃機関の空燃比制御装置 |
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JP3835269B2 (ja) * | 2001-11-30 | 2006-10-18 | トヨタ自動車株式会社 | 内燃機関の制御装置 |
JP3649188B2 (ja) * | 2002-01-16 | 2005-05-18 | トヨタ自動車株式会社 | 排気浄化装置付き内燃機関 |
DE10201465B4 (de) * | 2002-01-16 | 2004-02-19 | Bayerische Motoren Werke Ag | Verfahren und Vorrichtung zum Steuern einer Bauteilschutzfunktion |
JP2003214152A (ja) * | 2002-01-28 | 2003-07-30 | Toyota Motor Corp | 内燃機関の排気浄化装置 |
EP1384868A3 (de) * | 2002-07-26 | 2004-06-16 | Robert Bosch Gmbh | Verfahren und Vorrichtung zur Steuerung eines Abgasnachbehandlungssystems |
JP2004316610A (ja) * | 2003-04-18 | 2004-11-11 | Nissan Motor Co Ltd | エンジンの排気ガス浄化装置 |
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JP2005256804A (ja) * | 2004-03-15 | 2005-09-22 | Denso Corp | 内燃機関の排気浄化装置 |
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JP4438681B2 (ja) * | 2005-04-27 | 2010-03-24 | トヨタ自動車株式会社 | 内燃機関の空燃比制御装置 |
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