JP6687451B2 - 選択的触媒還元における尿素注入制御システムおよび方法 - Google Patents
選択的触媒還元における尿素注入制御システムおよび方法 Download PDFInfo
- Publication number
- JP6687451B2 JP6687451B2 JP2016077703A JP2016077703A JP6687451B2 JP 6687451 B2 JP6687451 B2 JP 6687451B2 JP 2016077703 A JP2016077703 A JP 2016077703A JP 2016077703 A JP2016077703 A JP 2016077703A JP 6687451 B2 JP6687451 B2 JP 6687451B2
- Authority
- JP
- Japan
- Prior art keywords
- scr catalyst
- storage amount
- fluid
- upstream
- storage
- Prior art date
- 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.)
- Active
Links
- 238000002347 injection Methods 0.000 title claims description 75
- 239000007924 injection Substances 0.000 title claims description 75
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 title claims description 38
- 239000004202 carbamide Substances 0.000 title claims description 38
- 238000000034 method Methods 0.000 title claims description 37
- 238000010531 catalytic reduction reaction Methods 0.000 title claims description 13
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 claims description 155
- 238000003860 storage Methods 0.000 claims description 134
- 239000003054 catalyst Substances 0.000 claims description 124
- 239000012530 fluid Substances 0.000 claims description 71
- 238000011144 upstream manufacturing Methods 0.000 claims description 67
- 239000007789 gas Substances 0.000 claims description 53
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 35
- 238000005259 measurement Methods 0.000 claims description 33
- 238000002485 combustion reaction Methods 0.000 claims description 31
- 239000000523 sample Substances 0.000 claims description 18
- 229910021529 ammonia Inorganic materials 0.000 claims description 17
- 230000009471 action Effects 0.000 claims description 12
- 230000003197 catalytic effect Effects 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 3
- 239000003638 chemical reducing agent Substances 0.000 description 56
- 230000009467 reduction Effects 0.000 description 9
- 238000006722 reduction reaction Methods 0.000 description 9
- 239000000446 fuel Substances 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 239000000567 combustion gas Substances 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 2
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- BIGPRXCJEDHCLP-UHFFFAOYSA-N ammonium bisulfate Chemical compound [NH4+].OS([O-])(=O)=O BIGPRXCJEDHCLP-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 238000001802 infusion Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000000611 regression analysis Methods 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 150000008064 anhydrides Chemical class 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000006399 behavior Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002620 method output Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000002360 prefrontal effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000010517 secondary reaction Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000013179 statistical model Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- F01N3/18—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 characterised by methods of operation; Control
- F01N3/20—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 characterised by methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
- F01N3/2066—Selective catalytic reduction [SCR]
-
- 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
- F01N3/18—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 characterised by methods of operation; Control
- F01N3/20—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 characterised by methods of operation; Control specially adapted for catalytic conversion ; Methods of operation or control of catalytic converters
- F01N3/2066—Selective catalytic reduction [SCR]
- F01N3/208—Control of selective catalytic reduction [SCR], e.g. dosing of reducing agent
-
- 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
-
- 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
- F01N9/00—Electrical control of exhaust gas treating apparatus
-
- 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
- F01N2560/021—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being an exhaust gas sensor for measuring or detecting ammonia NH3
-
- 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
- F01N2560/026—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being an exhaust gas sensor for measuring or detecting NOx
-
- 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
- F01N2560/12—Other sensor principles, e.g. using electro conductivity of substrate or radio frequency
-
- 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
- F01N2560/14—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics having more than one sensor of one kind
-
- 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
- F01N2570/00—Exhaust treating apparatus eliminating, absorbing or adsorbing specific elements or compounds
- F01N2570/14—Nitrogen oxides
-
- 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
- F01N2570/00—Exhaust treating apparatus eliminating, absorbing or adsorbing specific elements or compounds
- F01N2570/18—Ammonia
-
- 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
- F01N2610/00—Adding substances to exhaust gases
- F01N2610/02—Adding substances to exhaust gases the substance being ammonia or urea
-
- 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
- F01N2610/00—Adding substances to exhaust gases
- F01N2610/14—Arrangements for the supply of substances, e.g. conduits
- F01N2610/1453—Sprayers or atomisers; Arrangement thereof in the exhaust apparatus
- F01N2610/146—Control thereof, e.g. control of injectors or injection valves
-
- 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
- F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
- F01N2900/06—Parameters used for exhaust control or diagnosing
- F01N2900/0601—Parameters used for exhaust control or diagnosing being estimated
-
- 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
- F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
- F01N2900/06—Parameters used for exhaust control or diagnosing
- F01N2900/14—Parameters used for exhaust control or diagnosing said parameters being related to the exhaust gas
- F01N2900/1404—Exhaust gas temperature
-
- 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
- F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
- F01N2900/06—Parameters used for exhaust control or diagnosing
- F01N2900/14—Parameters used for exhaust control or diagnosing said parameters being related to the exhaust gas
- F01N2900/1411—Exhaust gas flow rate, e.g. mass flow rate or volumetric flow rate
-
- 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
- F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
- F01N2900/06—Parameters used for exhaust control or diagnosing
- F01N2900/16—Parameters used for exhaust control or diagnosing said parameters being related to the exhaust apparatus, e.g. particulate filter or catalyst
- F01N2900/1622—Catalyst reducing agent absorption capacity or consumption amount
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Exhaust Gas After Treatment (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Description
[実施態様1]
入口(52)と出口(41)を有し、燃焼機関(12)からの流体(40)を受け入れる選択的触媒還元(SCR)触媒アセンブリ(34)と、前記SCR触媒の内部に配置され、前記SCR触媒のアンモニア(NH3)貯蔵量を測定する少なくとも1本の高周波(RF)プローブ(36)と、前記SCR触媒の入口(52)の上流の流体にNH3または尿素を注入する注入システム(38)とを備え、前記燃焼機関(12)からの排出物質を処理する排ガス後処理システム(10)と、
前記排ガス後処理システム(10)に流体連通可能に接続され、前記排ガス後処理システム(10)の動作の制御、前記SCR触媒の上流(40)の流体中の窒素酸化物(NOx)の測定濃度(60)またはNH3の測定濃度(58)を表す信号の受信、および前記SCR触媒の下流の流体中のNOxの測定濃度またはNH3の測定濃度を表す信号の受信、またはそれらの任意の組み合わせを実行するとともに、前記少なくとも1本のRFプローブ(36)からNH3貯蔵量測定値(70)を表す信号を受け取る制御装置(28)と、
少なくとも前記SCR触媒の上流(40)の流体中のNOxの測定濃度またはNH3の測定濃度を表す信号、前記SCR触媒の下流の流体中のNOxの測定濃度またはNH3の測定濃度を表す信号、またはそれらの任意の組み合わせに基づいてNH3貯蔵量推定値(68)を求めるNH3貯蔵量推定モデル(56)とを備え、
前記制御装置(28)が、少なくとも推定された前記NH3貯蔵量推定値(68)と前記NH3貯蔵量測定値(70)の両方を利用して前記注入システム(38)の制御動作(54)を出力する、システム。
[実施態様2]
前記SCR触媒の入口(52)の上流に配置されて前記入口(52)の上流(40)の流体中のNOx濃度(58)を測定するか、または前記SCR触媒の出口(41)の下流に配置されて前記出口(41)の下流の流体中のNOx濃度を測定する第1のNOxセンサ(22)を備えた、実施態様1に記載のシステム。
[実施態様3]
前記SCR触媒の入口(52)の上流に配置されて前記入口(52)の上流(40)の流体中のNH3濃度(60)を測定するか、または前記SCR触媒の出口(41)の下流に配置されて前記出口(41)の下流の流体中のNH3濃度を測定する第1のNH3センサ(20)を備えた、実施態様1に記載のシステム。
[実施態様4]
前記燃焼機関(12)の運転パラメータを測定する1つ以上のセンサ(15)を備えた、実施態様1に記載のシステム。
[実施態様5]
前記制御装置(28)は、前記燃焼機関(12)の運転パラメータを受け取り、前記NH3貯蔵量推定モデル(56)を利用して前記運転パラメータに少なくとも部分的に基づいて前記NH3貯蔵量推定値(68)を求める、実施態様4に記載のシステム。
[実施態様6]
前記制御動作(54)には、前記SCR触媒の入口(52)の上流(40)の流体に注入されるNH3または尿素の量を調整することが含まれる、実施態様1に記載のシステム。
[実施態様7]
前記制御装置(28)は、前記SCR触媒の上流(40)の流体中のNOxの測定濃度(58)およびNH3の測定濃度(60)を表す信号を受け取る、実施態様1に記載のシステム。
[実施態様8]
前記燃焼機関(12)が前記排ガス後処理システム(10)に接続されている、実施態様1に記載のシステム。
[実施態様9]
前記制御装置(28)は、前記NH3貯蔵量推定値(68)と前記NH3貯蔵量測定値(70)との間のNH3貯蔵量誤差値(72)を求め、該NH3貯蔵量誤差値(72)に基づいて前記制御動作(54)を出力する、実施態様1に記載のシステム。
[実施態様10]
燃焼機関(12)からの排出物質を処理する排ガス後処理システム(10)の制御装置(28)を備えたシステムであって、
前記制御装置(28)は、選択的触媒還元(SCR)触媒アセンブリ(34)の上流(40)の流体中のアンモニア(NH3)の測定濃度(58)もしくは窒素酸化物(NOx)の測定濃度(60)を表す信号、前記SCR触媒の下流の流体中のNH3の測定濃度もしくはNOxの測定濃度を表す信号、またはそれらの任意の組み合わせを受け取り、NH3貯蔵量推定モデル(56)を利用して前記SCR触媒の上流または下流の流体中のNH3の測定濃度(58)および/またはSCR触媒の上流または下流の流体中のNOxの測定濃度(60)に基づいてSCR触媒のNH3貯蔵量推定値(68)を求め、前記SCR触媒内に配置された少なくとも1本の高周波(RF)プローブ(36)から前記SCR触媒のNH3貯蔵量測定値(70)を表す信号を受け取り、少なくとも前記NH3貯蔵量測定値(70)と前記NH3貯蔵量推定値(68)の両方に基づいて、注入システム(38)によって前記SCR触媒アセンブリ(34)の入口(52)の上流(40)の流体に注入される尿素またはアンモニアの量を制御する、システム。
[実施態様11]
前記制御装置(28)は、前記燃焼機関(12)の前記測定されたパラメータを表す信号を受け取る、実施態様10に記載のシステム。
[実施態様12]
前記制御装置(28)は、前記NH3貯蔵量推定モデル(56)を利用して前記測定された運転パラメータに少なくとも部分的に基づいてNH3貯蔵量推定値(68)を求める、実施態様11に記載のシステム。
[実施態様13]
前記制御装置(28)は比例・積分・微分制御装置である、実施態様10に記載のシステム。
[実施態様14]
前記制御装置(28)は、前記NH3貯蔵量推定値(68)と前記NH3貯蔵量測定値(70)との間のNH3貯蔵量誤差値(72)を求め、該NH3貯蔵量誤差値(72)に基づいて前記制御動作を出力する、実施態様10に記載のシステム。
[実施態様15]
燃焼機関(12)に接続された選択的触媒還元(SCR)触媒アセンブリ(34)の入口(52)の上流(40)の流体への尿素またはアンモニア(NH3)注入を制御する方法であって、
制御装置(28)を利用して前記SCR触媒アセンブリ(34)の上流および/または下流の窒素酸化物(NOx)の測定濃度(58)および/またはNH3の測定濃度(60)を表す信号を受け取る工程と、
前記制御装置(28)を利用して前記SCR触媒内に配置された少なくとも1本の高周波(RF)プローブ(36)から前記SCR触媒アセンブリ(34)のNH3貯蔵量測定値(70)を表す信号を受け取る工程と、
NH3貯蔵量推定モデル(56)を利用して少なくとも前記SCR触媒の上流(40)または下流の流体中のNOxの測定濃度(58)を表す信号および/または前記SCR触媒の上流(40)または下流の流体中のNH3の測定濃度(60)を表す信号に基づいてNH3貯蔵量推定値(68)を求める工程と、
前記NH3貯蔵量推定値(68)および前記NH3貯蔵量測定値(70)に少なくとも部分的に基づいて注入システム(38)の制御動作(54)を出力し、前記注入システム(38)が前記SCR触媒アセンブリ(34)の入口(52)の上流(40)の流体に対してある量のNH3または尿素を注入する工程と
を含む、方法。
[実施態様16]
前記制御装置(28)を利用して、前記NH3貯蔵量推定値(68)と前記NH3貯蔵量測定値(70)との間のNH3貯蔵量誤差値(72)を求め、該NH3貯蔵量誤差値(72)に基づいて前記制御動作(54)を出力する工程を含む、実施態様15に記載の方法。
[実施態様17]
前記制御動作(54)には、NH3または尿素の注入速度を調整して前記SCR触媒アセンブリ(34)から排出される所望のNOx排出量を達成させるNH3または尿素注入指令を生成することが含まれる、実施態様15に記載の方法。
[実施態様18]
前記制御動作(54)には、前記燃焼機関(12)の測定された運転パラメータを表す信号を受け取ることが含まれる、実施態様15に記載の方法。
[実施態様19]
前記制御動作(54)には、前記NH3貯蔵量推定モデル(56)を利用して前期運転パラメータに少なくとも部分的に基づいて前記NH3貯蔵量推定値(68)を求めることが含まれる、実施態様18に記載の方法。
[実施態様20]
前記運転パラメータには、前記燃焼機関(12)から排出される排ガスの流量および温度が含まれる、実施態様18に記載の方法。
12 エンジン、内燃系、燃焼系
13 排ガス
14 エンジン制御装置
15 センサ
16 プロセッサ
18 メモリ
19 センサ
20 SCR前置NH3センサ
21 制御装置
22 SCR前置NOxセンサ
23 センサ
24 SCR後置NH3センサ
25 メモリ
26 SCR後置NOxセンサ
27 プロセッサ
28 還元剤注入制御装置
30 プロセッサ
32 メモリ
34 SCR触媒アセンブリ
36 RFプローブ
38 還元剤注入システム
40 上流
41 出口
42 SCR触媒出口
43 後処理流体
45 下流
50 流体導管
52 SCR触媒入口
54 制御動作
56 NH3貯蔵量推定モデル
57 NH3貯蔵量推定器
58 SCR前NOx濃度
60 SCR前NH3濃度
62 エンジン入力
64 SCR後NOx濃度
66 SCR後NH3濃度
68 NH3貯蔵量推定値
70 NH3貯蔵量測定値
72 NH3貯蔵量誤差値
76 還元剤注入制御アルゴリズム
Claims (15)
- 入口(52)と出口(41)を有し、燃焼機関(12)からの流体(40)を受け入れる選択的触媒還元(SCR)触媒アセンブリ(34)と、前記SCR触媒の内部に配置され、前記SCR触媒のアンモニア(NH3)貯蔵量を測定する少なくとも1本の高周波(RF)プローブ(36)と、前記SCR触媒の入口(52)の上流の流体にNH3または尿素を注入する注入システム(38)とを備え、前記燃焼機関(12)からの排出物を処理する排ガス後処理システム(10)と、
前記排ガス後処理システム(10)に流体連通可能に接続され、前記排ガス後処理システム(10)の動作の制御、前記SCR触媒の上流(40)の流体中の窒素酸化物(NOx)の測定濃度(58)またはNH3の測定濃度(60)を表す信号の受信、および前記SCR触媒の下流の流体中のNOxの測定濃度またはNH3の測定濃度を表す信号の受信、またはそれらの任意の組み合わせを実行するとともに、前記少なくとも1本のRFプローブ(36)からのNH3貯蔵量測定値(70)を表す信号を受け取る制御装置(28)と、
少なくとも前記SCR触媒の上流(40)の流体中のNOxの測定濃度またはNH3の測定濃度を表す信号、前記SCR触媒の下流の流体中のNOxの測定濃度またはNH3の測定濃度を表す信号、またはそれらの任意の組み合わせに基づいてNH3貯蔵量推定値(68)を求めるNH3貯蔵量推定モデル(56)を備え、
前記制御装置(28)が、少なくとも推定された前記NH3貯蔵量推定値(68)と前記NH3貯蔵量測定値(70)の両方を利用して前記注入システム(38)の制御動作(54)を出力する、システム。 - 前記SCR触媒の入口(52)の上流に配置されて前記入口(52)の上流(40)の流体中のNOx濃度(58)を測定するか、または前記SCR触媒の出口(41)の下流に配置されて前記出口(41)の下流の流体中のNOx濃度を測定する第1のNOxセンサ(22)を備えた、請求項1に記載のシステム。
- 前記SCR触媒の入口(52)の上流に配置されて前記入口(52)の上流(40)の流体中のNH3濃度(60)を測定するか、または前記SCR触媒の出口(41)の下流に配置されて前記出口(41)の下流の流体中のNH3濃度を測定する第1のNH3センサ(20)を備えた、請求項1に記載のシステム。
- 前記燃焼機関(12)の動作パラメータを測定する1つ以上のセンサ(15)を備えた、請求項1に記載のシステム。
- 前記制御装置(28)は、前記燃焼機関(12)の動作パラメータを受け取り、前記NH3貯蔵量推定モデル(56)を利用して前記動作パラメータに少なくとも部分的に基づいて前記NH3貯蔵量推定値(68)を求める、請求項4に記載のシステム。
- 制御動作(54)には、前記SCR触媒の入口(52)の上流(40)の流体に注入されるNH3または尿素の量を調整することが含まれる、請求項1に記載のシステム。
- 前記制御装置(28)は、前記SCR触媒の上流(40)の流体中のNOxの測定濃度(58)およびNH3の測定濃度(60)を表す信号を受け取る、請求項1に記載のシステム。
- 前記燃焼機関(12)が前記排ガス後処理システム(10)に接続されている、請求項1に記載のシステム。
- 前記制御装置(28)は、前記NH3貯蔵量推定値(68)と前記NH3貯蔵量測定値(70)との間のNH3貯蔵量誤差値(72)を求め、該NH3貯蔵量誤差値(72)に基づいて前記制御動作(54)を出力する、請求項1に記載のシステム。
- 燃焼機関(12)に接続された選択的触媒還元(SCR)触媒アセンブリ(34)の入口(52)の上流(40)の流体への尿素またはアンモニア(NH3)注入を制御する方法であって、
制御装置(28)を利用して前記SCR触媒アセンブリ(34)の上流および/または下流の窒素酸化物(NOx)の測定濃度(58)および/またはNH3の測定濃度(60)を表す信号を受け取る工程と、
前記制御装置(28)を利用して前記SCR触媒内に配置された少なくとも1本の高周波(RF)プローブ(36)から前記SCR触媒アセンブリ(34)のNH3貯蔵量測定値(70)を表す信号を受け取る工程と、
NH3貯蔵量推定モデル(56)を利用して少なくとも前記SCR触媒の上流(40)または下流の流体中のNOxの測定濃度(58)を表す信号および/または前記SCR触媒の上流(40)または下流の流体中のNH3の測定濃度(60)を表す信号に基づいてNH3貯蔵量推定値(68)を求める工程と、
前記NH3貯蔵量推定値(68)および前記NH3貯蔵量測定値(70)に少なくとも部分的に基づいて注入システム(38)の制御動作(54)を出力し、前記注入システム(38)が前記SCR触媒アセンブリ(34)の入口(52)の上流(40)の流体に対してある量のNH3または尿素を注入する工程と
を含む、方法。 - 前記制御装置(28)を利用して、前記NH3貯蔵量推定値(68)と前記NH3貯蔵量測定値(70)との間のNH3貯蔵量誤差値(72)を求め、該NH3貯蔵量誤差値(72)に基づいて前記制御動作(54)を出力する工程を含む、請求項10に記載の方法。
- 前記制御動作(54)には、NH3または尿素の注入速度を調整して前記SCR触媒アセンブリ(34)から排出される所望のNOx排出量を達成させるNH3または尿素注入指令を生成することが含まれる、請求項10に記載の方法。
- 前記制御動作(54)には、前記燃焼機関(12)の測定された動作パラメータを表す信号を受け取ることが含まれる、請求項10に記載の方法。
- 前記制御動作(54)には、前記NH3貯蔵量推定モデル(56)を利用して前記動作パラメータに少なくとも部分的に基づいて前記NH3貯蔵量推定値(68)を求めることが含まれる、請求項13に記載の方法。
- 前記動作パラメータには、前記燃焼機関(12)から排出される排ガスの流量および温度が含まれる、請求項13に記載の方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US14/686,350 US9435244B1 (en) | 2015-04-14 | 2015-04-14 | System and method for injection control of urea in selective catalyst reduction |
US14/686,350 | 2015-04-14 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2016200146A JP2016200146A (ja) | 2016-12-01 |
JP6687451B2 true JP6687451B2 (ja) | 2020-04-22 |
Family
ID=55745697
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2016077703A Active JP6687451B2 (ja) | 2015-04-14 | 2016-04-08 | 選択的触媒還元における尿素注入制御システムおよび方法 |
Country Status (7)
Country | Link |
---|---|
US (1) | US9435244B1 (ja) |
EP (1) | EP3081776B1 (ja) |
JP (1) | JP6687451B2 (ja) |
KR (1) | KR20160122649A (ja) |
CN (1) | CN106050371B (ja) |
BR (1) | BR102016006895A2 (ja) |
CA (1) | CA2925371A1 (ja) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20160279574A1 (en) * | 2015-03-26 | 2016-09-29 | General Electric Company | Systems and methods for monitoring the health of a selective catalytic reduction catalyst |
CN106437956B (zh) * | 2016-09-23 | 2018-10-12 | 上海海事大学 | 一种串联选择性催化还原系统的模糊控制方法 |
DE102016219555B4 (de) | 2016-10-07 | 2018-10-11 | Continental Automotive Gmbh | On-Board Diagnose für einen Abgaskatalysator und Alterungserkennung |
DE102016219640A1 (de) * | 2016-10-10 | 2018-04-12 | Continental Automotive Gmbh | Katalysator-Alterungserkennung mit minimalem Ammoniak-Schlupf |
DE102016219646A1 (de) * | 2016-10-10 | 2018-04-12 | Continental Automotive Gmbh | Eigendiagnose eines Abgaskatalysators durch Messung der S-Parameter |
US10436089B2 (en) * | 2017-01-18 | 2019-10-08 | Cummins Emission Solutions Inc. | Radio frequency sensor in an exhaust aftertreatment system |
DE102017218322A1 (de) * | 2017-10-13 | 2019-04-18 | Continental Automotive Gmbh | Verfahren zum Betreiben einer Abgasnachbehandlungsanlage eines Dieselmotors mit Emissionssteuerung in Abhängigkeit vom gespeicherten NH3 |
DE102017218314B4 (de) * | 2017-10-13 | 2019-07-11 | Continental Automotive Gmbh | Verfahren zum Betreiben eines Dieselmotors und Dieselmotor mit Prüfung der NH3-Konzentration |
KR102383239B1 (ko) | 2017-10-16 | 2022-04-05 | 현대자동차 주식회사 | 환원제의 분사량을 제어하는 배기 정화 시스템 |
JP2019138278A (ja) * | 2018-02-15 | 2019-08-22 | トヨタ自動車株式会社 | 異常診断装置 |
JP6835018B2 (ja) * | 2018-03-12 | 2021-02-24 | トヨタ自動車株式会社 | 異常診断装置 |
CN108708797B (zh) * | 2018-05-16 | 2021-01-19 | 潍柴动力股份有限公司 | 一种整车排放控制系统的控制方法、控制装置及控制系统 |
US10851725B2 (en) * | 2018-12-18 | 2020-12-01 | Caterpillar Inc. | Fuel content detection based on a measurement from a sensor and a model estimation of the measurement |
WO2021026317A1 (en) * | 2019-08-07 | 2021-02-11 | Cummins Inc. | Systems and methods for measuring exhaust gas species and scr catalyst nox storage for scr-related controls and diagnostics |
CN111828150B (zh) * | 2020-07-16 | 2021-08-17 | 一汽解放汽车有限公司 | 一种发动机后处理器尿素喷射的控制方法 |
EP4008886B1 (en) * | 2020-12-02 | 2024-01-31 | Volvo Truck Corporation | A urea injection control system for an internal combustion engine |
CN112963228B (zh) * | 2021-03-19 | 2022-03-01 | 潍柴动力股份有限公司 | 一种氨泄漏控制方法、装置及其设备 |
EP4095362B1 (en) * | 2021-05-26 | 2024-05-01 | Volvo Truck Corporation | Controlling urea injection in exhaust aftertreatment systems |
JP2024061420A (ja) * | 2022-10-21 | 2024-05-07 | 日立造船株式会社 | 排ガス処理システム |
Family Cites Families (114)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR930009907B1 (ko) | 1988-10-04 | 1993-10-13 | 미쯔비시 덴끼 가부시끼가이샤 | 내연기관 제어장치 |
GB8910319D0 (en) | 1989-05-05 | 1989-06-21 | Austin Rover Group | A spark ignited internal combustion engine and a control system therefor |
EP0437057B1 (en) | 1990-01-08 | 1993-11-03 | Hitachi, Ltd. | Method and apparatus for detecting combustion conditions in a multicylinder internal combustion engine |
JP2792633B2 (ja) | 1990-02-09 | 1998-09-03 | 株式会社日立製作所 | 制御装置 |
EP0443708A2 (en) | 1990-02-21 | 1991-08-28 | Stresswave Technology Limited | An apparatus for controlling an internal combustion engine |
DE4006273A1 (de) | 1990-02-28 | 1991-09-26 | Forsch Kraftfahrwesen Und Fahr | Verfahren und vorrichtung zur ermittlung des verlaufs des innendrucks eines zylinders einer kolbenmaschine |
US5337240A (en) | 1990-09-20 | 1994-08-09 | Mitsubishi Denki Kabushiki Kaisha | Misfiring sensing apparatus |
US5111790A (en) | 1990-09-28 | 1992-05-12 | Prestolite Wire Corporation | Direct fire ignition system having individual knock detection sensor |
JPH04198731A (ja) | 1990-11-28 | 1992-07-20 | Mitsubishi Electric Corp | 内燃機関の失火検出装置 |
JPH04224260A (ja) | 1990-12-26 | 1992-08-13 | Nippondenso Co Ltd | 内燃機関の燃焼状態検出装置 |
FR2682718A1 (fr) | 1991-10-16 | 1993-04-23 | Siemens Automotive Sa | Procede et dispositif de detection de rates d'allumage du melange air/carburant d'alimentation d'un moteur a combustion interne propulsant un vehicule automobile et leurs applications. |
US5996398A (en) | 1992-01-22 | 1999-12-07 | Robert Bosch Gmbh | Device for knock detection in internal combustion engine |
DE4211645A1 (de) | 1992-04-07 | 1993-10-14 | Bosch Gmbh Robert | Verfahren und Vorrichtung zur Erkennung des Klopfens einer Brennkraftmaschine |
JPH06307953A (ja) | 1993-04-27 | 1994-11-04 | Hitachi Ltd | 物理量検出装置 |
US5392642A (en) | 1993-06-30 | 1995-02-28 | Cummins Engine Company, Inc. | System for detection of low power in at least one cylinder of a multi-cylinder engine |
JPH07280637A (ja) | 1994-04-01 | 1995-10-27 | Ngk Insulators Ltd | 失火センサ |
US5594649A (en) | 1994-12-19 | 1997-01-14 | Delco Electronics Corporation | Digitally reconfigurable engine knock detecting system |
US6104195A (en) | 1995-05-10 | 2000-08-15 | Denso Corporation | Apparatus for detecting a condition of burning in an internal combustion engine |
US5763769A (en) | 1995-10-16 | 1998-06-09 | Kluzner; Michael | Fiber optic misfire, knock and LPP detector for internal combustion engines |
JP3116826B2 (ja) | 1996-07-15 | 2000-12-11 | トヨタ自動車株式会社 | プレイグニッション検出装置 |
US5934256A (en) | 1997-03-04 | 1999-08-10 | Siemens Aktiengesellschaft | Method for detecting irregular combustion processes in a multicylinder diesel internal combustion engine |
JPH1137898A (ja) | 1997-05-23 | 1999-02-12 | Daifuku Co Ltd | エンジン良否判定設備 |
DK0909941T3 (da) * | 1997-08-25 | 2001-09-03 | Wissenschaftliche Werkstatt Fu | Infarød analyse af motorkøretøjsudstødning med nulpunktsjustering eller korrektion for temperaturdrift |
BR9904839A (pt) | 1998-02-23 | 2000-07-18 | Cummins Engine Co Inc | Motor a explosão por compressão de carga pré-misturada com comtrole de combustão ótimo |
DE10015162B4 (de) | 1998-11-24 | 2019-08-01 | Scania Cv Ab | Anordnung und Verfahren zum Kalibrieren und/oder Überwachen des Verbrennungsablaufes in einem Verbrennungsmotor |
DE19920016A1 (de) | 1999-05-03 | 2000-11-16 | Bosch Gmbh Robert | Verfahren und Vorrichtung zur Klopfregelung bei Ausfall des Phasengebers |
DE19931007C2 (de) * | 1999-07-06 | 2001-10-18 | Daimler Chrysler Ag | Verfahren und Vorrichtung zur Bestimmung des Speicherzustands eines ammoniakspeichernden SCR-Katalysators |
JP3474810B2 (ja) | 1999-08-30 | 2003-12-08 | 三菱電機株式会社 | 内燃機関の燃焼状態検出装置 |
DE19963936A1 (de) * | 1999-12-31 | 2001-07-12 | Bosch Gmbh Robert | Verfahren zum Betreiben einer Brennkraftmaschine insbesondere eines Kraftfahrzeugs |
US6273064B1 (en) | 2000-01-13 | 2001-08-14 | Ford Global Technologies, Inc. | Controller and control method for an internal combustion engine using an engine-mounted accelerometer |
DE10021913A1 (de) | 2000-05-05 | 2001-11-08 | Bosch Gmbh Robert | Verfahren zur Fehlererkennung bei der Auswertung von Sensorsignalen |
DE10043498A1 (de) | 2000-09-01 | 2002-03-14 | Bosch Gmbh Robert | Verfahren zur klopferkennung bei Brennkraftmaschinen |
DE10043693A1 (de) | 2000-09-04 | 2002-03-14 | Bosch Gmbh Robert | Verfahren zum Betreiben einer Brennkraftmaschine und entsprechende Vorrichtung |
IL144010A (en) | 2001-06-26 | 2006-04-10 | Engines Pdm Ltd | Universal diagnostic method and system for engines |
US6598468B2 (en) | 2001-07-11 | 2003-07-29 | Cummins Inc. | Apparatus and methods for determining start of combustion for an internal combustion engine |
DE10201073A1 (de) | 2002-01-14 | 2003-07-31 | Siemens Ag | Verfahren zur Verarbeitung eines Sensorsignals eines Klopf-Sensors für eine Brennkraftmaschine |
BR0307732A (pt) | 2002-02-15 | 2005-04-26 | Dana Corp | Sensor de pressão de combustão e método de fabricar gaxeta |
US7021128B2 (en) | 2002-04-29 | 2006-04-04 | Avl North America, Inc. | Misfire detection using acoustic sensors |
JP3975936B2 (ja) | 2003-02-17 | 2007-09-12 | 日産自動車株式会社 | ノッキング指標値算出装置 |
JP4134797B2 (ja) | 2003-04-14 | 2008-08-20 | 株式会社デンソー | ノッキング検出装置 |
FR2854693B1 (fr) | 2003-05-09 | 2005-07-01 | Siemens Vdo Automotive | Procede de determination de l'energie d'un signal de cliquetis pour moteur a combustion interne |
JP4165751B2 (ja) | 2003-07-03 | 2008-10-15 | 株式会社デンソー | 内燃機関のノック検出装置 |
US6885932B2 (en) | 2003-08-08 | 2005-04-26 | Motorola, Inc. | Misfire detection in an internal combustion engine |
CA2444163C (en) | 2003-10-01 | 2007-01-09 | Westport Research Inc. | Method and apparatus for controlling combustion quality of a gaseous-fuelled internal combustion engine |
DE10350180B4 (de) | 2003-10-28 | 2008-03-27 | Siemens Ag | Verfahren und Vorrichtung zur Analyse des Verbrennungsgeräusches bei der Kraftstoffeinspritzung in einen Zylinder einer Brennkraftmaschine |
GB0401053D0 (en) | 2004-01-17 | 2004-02-18 | Qinetiq Ltd | Improvements in and relating to accelerometers |
JP2005226504A (ja) * | 2004-02-12 | 2005-08-25 | Hino Motors Ltd | 排気浄化装置の制御方法 |
EP1571331B1 (en) | 2004-02-20 | 2010-06-16 | Nissan Motor Co., Ltd. | Ignition timing control system for an internal combustion engine |
JP2005307759A (ja) | 2004-04-16 | 2005-11-04 | Toyota Industries Corp | 予混合圧縮自着火機関の運転方法及び予混合圧縮自着火機関 |
JP4281610B2 (ja) | 2004-04-27 | 2009-06-17 | 株式会社豊田自動織機 | 予混合圧縮自着火機関の運転方法及び予混合圧縮自着火機関 |
US7191658B2 (en) | 2004-06-11 | 2007-03-20 | Denso Corporation | Pressure-detecting device and method of manufacturing the same |
DE102004054711A1 (de) | 2004-11-12 | 2006-05-18 | Robert Bosch Gmbh | Verfahren zum Betreiben einer Brennkraftmaschine |
US7444231B2 (en) | 2004-11-18 | 2008-10-28 | Westport Power Inc. | Method of mounting an accelerometer on an internal combustion engine and increasing signal-to-noise ratio |
JP4605642B2 (ja) | 2004-12-14 | 2011-01-05 | 株式会社デンソー | 内燃機関のノック判定装置 |
JP2006183548A (ja) | 2004-12-27 | 2006-07-13 | Nippon Soken Inc | 内燃機関の制御装置 |
EP1698775B1 (de) | 2005-03-03 | 2008-02-27 | Ford Global Technologies, LLC | Vorrichtung und Verfahren zur Regelung des Verbrennungsverhaltens einer Brennkraftmaschine |
US7260930B2 (en) * | 2005-07-26 | 2007-08-28 | Caterpillar Inc. | Radio frequency-based particulate loading monitoring system |
DE102005039757A1 (de) | 2005-08-23 | 2007-03-01 | Robert Bosch Gmbh | Verfahren zum Betreiben einer Brennkraftmaschine |
JP4756968B2 (ja) | 2005-09-16 | 2011-08-24 | 株式会社デンソー | 内燃機関のノック判定装置 |
DE102005058820B4 (de) | 2005-12-09 | 2016-11-17 | Daimler Ag | Verfahren zur Regelung einer Brennkraftmaschine, insbesondere einer selbstzündenden Brennkraftmaschine |
JP4314240B2 (ja) | 2005-12-09 | 2009-08-12 | トヨタ自動車株式会社 | 内燃機関の点火時期制御装置 |
US7383816B2 (en) | 2006-01-09 | 2008-06-10 | Dresser, Inc. | Virtual fuel quality sensor |
US7448254B2 (en) | 2006-02-14 | 2008-11-11 | Kulite Semiconductor Products, Inc. | Method and apparatus for measuring knocking in internal combustion engines |
FR2898411B1 (fr) | 2006-03-08 | 2008-05-16 | Inst Francais Du Petrole | Methode d'estimation en temps reel de parametres de combustion moteur a partir de signaux vibratoires |
JP2007270808A (ja) | 2006-03-31 | 2007-10-18 | Mazda Motor Corp | 多気筒4サイクルエンジンの制御装置 |
US8384397B2 (en) * | 2006-05-01 | 2013-02-26 | Filter Sensing Technologies, Inc. | Method and system for controlling filter operation |
DE102006029279B3 (de) | 2006-06-26 | 2007-10-25 | Siemens Ag | Verfahren zur zylinderindividuellen Klopfregelung sowie zugehörige Vorrichtung |
US7546198B2 (en) | 2006-08-03 | 2009-06-09 | Spectral Dynamics, Inc. | Dynamic noise-reduction baselining for real-time spectral analysis of internal combustion engine knock |
US7810469B2 (en) | 2006-09-06 | 2010-10-12 | Ford Global Technologies, Llc | Combustion control based on a signal from an engine vibration sensor |
US7444236B2 (en) | 2006-09-26 | 2008-10-28 | Gm Global Technology Operations, Inc. | Discrete variable valve lift diagnostic control system |
EP1923556A1 (en) | 2006-11-14 | 2008-05-21 | Delphi Technologies, Inc. | Improvements to engine control system |
US7810313B2 (en) * | 2007-03-19 | 2010-10-12 | Honeywell International Inc. | Method and system for the simultaneous measurement of a plurality of properties associated with an exhaust gas mixture |
US7571640B2 (en) | 2007-03-28 | 2009-08-11 | Cummins, Inc. | Misfire detection in engines for on-board-diagnostics |
EP1988378A1 (en) | 2007-05-02 | 2008-11-05 | Ford Global Technologies, LLC | On-Cylinder Combustion Sensor |
CN101306569B (zh) | 2007-05-16 | 2011-03-23 | 鸿富锦精密工业(深圳)有限公司 | 模具装置和射出成型方法 |
JP4367529B2 (ja) | 2007-05-29 | 2009-11-18 | トヨタ自動車株式会社 | 内燃機関の点火時期制御装置 |
EP2036746B1 (en) | 2007-09-17 | 2014-07-23 | S & T Daewoo Co., Ltd. | Sensor module comprising acceleration sensor and relative displacement sensor, damper and electronically controllable suspension system comprising the same, and method of controlling vehicle movement using the same |
DE112007003583A5 (de) * | 2007-09-18 | 2010-07-29 | Fev Motorentechnik Gmbh | NH3-Überwachung eines SCR-Katalysators |
FR2924219B1 (fr) | 2007-11-22 | 2009-12-25 | Siemens Vdo Automotive | Procede de determination d'une valeur representative de la pression dans une chambre de combustion d'un moteur a combustion interne. |
CA2609718C (en) | 2007-11-27 | 2010-03-23 | Westport Power Inc. | Method and apparatus for determining a normal combustion characteristic for an internal combustion engine from an accelerometer signal |
CA2610388C (en) | 2007-11-29 | 2009-09-15 | Westport Power Inc. | Method and apparatus for using an accelerometer signal to detect misfiring in an internal combustion engine |
JP4785204B2 (ja) | 2007-12-17 | 2011-10-05 | 本田技研工業株式会社 | エンジン点火制御装置 |
DE102008011614B4 (de) | 2008-02-28 | 2011-06-01 | Continental Automotive Gmbh | Vorrichtung zur Verarbeitung eines Klopfsensorsignals |
DE102008001081B4 (de) | 2008-04-09 | 2021-11-04 | Robert Bosch Gmbh | Verfahren und Motorsteuergerät zum Steuern eines Verbrennungsmotors |
US7832200B2 (en) * | 2008-04-23 | 2010-11-16 | Caterpillar Inc | Exhaust system implementing feedforward and feedback control |
FR2931882A1 (fr) | 2008-05-29 | 2009-12-04 | Peugeot Citroen Automobiles Sa | Methode de detection du cliquetis dans un moteur a allumage commande |
FR2931881A1 (fr) | 2008-05-29 | 2009-12-04 | Peugeot Citroen Automobiles Sa | Methode de detection du cliquetis dans un moteur a allumage commande |
GB0816721D0 (en) | 2008-09-13 | 2008-10-22 | Daniel Simon R | Systems,devices and methods for electricity provision,usage monitoring,analysis and enabling improvements in efficiency |
FR2936019B1 (fr) | 2008-09-18 | 2010-09-10 | Inst Francais Du Petrole | Procede de detection de combustion anormale pour moteurs a combustion interne |
FR2937086B1 (fr) | 2008-10-09 | 2013-05-24 | Inst Francais Du Petrole | Procede de detection de combustion anormale pour moteurs a combustion interne |
JP5023039B2 (ja) | 2008-10-30 | 2012-09-12 | 日立オートモティブシステムズ株式会社 | 筒内圧測定装置 |
JP2010112345A (ja) * | 2008-11-10 | 2010-05-20 | Mitsubishi Motors Corp | 排気浄化装置 |
US8260531B2 (en) | 2008-11-19 | 2012-09-04 | Toyota Jidosha Kabushiki Kaisha | Abnormality detection device for in-cylinder pressure sensor, abnormality detection method for in-cylinder pressure sensor and control apparatus for internal combustion engine |
CN102460950B (zh) | 2009-05-20 | 2015-08-19 | 康明斯发电Ip公司 | 用于处理电气负载瞬变、电气故障和电网瘫痪的装置、系统和方法 |
CA2673216C (en) | 2009-07-31 | 2011-05-03 | Westport Power Inc. | Method and apparatus for reconstructing in-cylinder pressure and correcting for signal decay |
GB2473438B (en) | 2009-09-09 | 2013-07-31 | Gm Global Tech Operations Inc | Method and device for closed-loop combustion control for an internal combustion engine |
EP2312744B1 (en) | 2009-10-13 | 2012-07-11 | Converteam Technology Ltd | Power distribution systems |
JP5334791B2 (ja) | 2009-10-19 | 2013-11-06 | 三菱電機株式会社 | 内燃機関の制御装置 |
FR2952679B1 (fr) | 2009-11-13 | 2012-02-24 | Inst Francais Du Petrole | Procede de detection de combustion anormale pour moteurs a combustion interne a partir de modelisations de distributions d'indicateurs de combustion |
FR2952678B1 (fr) | 2009-11-13 | 2012-07-13 | Inst Francais Du Petrole | Procede de detection de combustion anormale pour moteurs a combustion interne a partir de plusieurs indicateurs de la combustion |
CN102792140B (zh) * | 2009-12-16 | 2016-01-20 | 康明斯过滤Ip公司 | 诊断NOx传感器的装置和方法 |
DE102011012722B4 (de) | 2010-03-31 | 2019-09-12 | Mazda Motor Corp. | Verfahren zur Detektion anomaler Verbrennung für einen Fremdzündungsmotor und Fremdzündungsmotor |
US8463533B2 (en) | 2010-08-05 | 2013-06-11 | Ford Global Technologies, Llc | Method and system for pre-ignition control |
EP2439386A1 (en) * | 2010-10-06 | 2012-04-11 | Nicholas Michael Zayan | SCR ammonia slip detection |
AT510572B1 (de) * | 2010-12-01 | 2012-05-15 | Avl List Gmbh | Verfahren zur bestimmung der nh3-beladung eines scr-katalysators |
US8245692B2 (en) | 2010-12-03 | 2012-08-21 | Ford Global Technologies, Llc | Method and system for pre-ignition control |
DE102011003670A1 (de) * | 2011-02-04 | 2012-08-09 | Bosch Emission Systems Gmbh & Co. Kg | Betriebsverfahren |
EP2500705A1 (en) | 2011-03-15 | 2012-09-19 | Wärtsilä Schweiz AG | Method for the determination of the pressure in the combustion chamber of a large diesel engine and large diesel engine |
US8538666B2 (en) | 2011-06-13 | 2013-09-17 | GM Global Technology Operations LLC | CPS knock detection system |
DE102011107784B4 (de) * | 2011-07-15 | 2014-03-13 | Umicore Ag & Co. Kg | Verfahren zur Zustandsbestimmung einer Abgasreinigungsvorrichtung |
JP5554295B2 (ja) | 2011-07-28 | 2014-07-23 | 日立オートモティブシステムズ株式会社 | 内燃機関の燃焼騒音検出方法及び燃焼騒音検出装置並びに内燃機関の制御装置 |
FI123044B (fi) | 2011-08-25 | 2012-10-15 | Waertsilae Finland Oy | Menetelmä ja järjestely sytytyskatkon ohjaamiseksi |
US8701389B2 (en) * | 2011-12-06 | 2014-04-22 | Tenneco Automotive Operating Company Inc. | Reagent injector control system |
WO2013118151A2 (en) | 2012-02-09 | 2013-08-15 | Sedemac Mechatronics Pvt Ltd | A system and method for controlling the ignition timing of an internal combustion engine |
-
2015
- 2015-04-14 US US14/686,350 patent/US9435244B1/en active Active
-
2016
- 2016-03-29 BR BR102016006895A patent/BR102016006895A2/pt not_active IP Right Cessation
- 2016-03-30 CA CA2925371A patent/CA2925371A1/en not_active Abandoned
- 2016-04-08 JP JP2016077703A patent/JP6687451B2/ja active Active
- 2016-04-12 KR KR1020160044653A patent/KR20160122649A/ko unknown
- 2016-04-13 EP EP16165045.2A patent/EP3081776B1/en active Active
- 2016-04-14 CN CN201610229670.XA patent/CN106050371B/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP3081776B1 (en) | 2018-10-03 |
US9435244B1 (en) | 2016-09-06 |
CA2925371A1 (en) | 2016-10-14 |
JP2016200146A (ja) | 2016-12-01 |
BR102016006895A2 (pt) | 2016-10-18 |
KR20160122649A (ko) | 2016-10-24 |
CN106050371A (zh) | 2016-10-26 |
CN106050371B (zh) | 2019-07-30 |
EP3081776A1 (en) | 2016-10-19 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP6687451B2 (ja) | 選択的触媒還元における尿素注入制御システムおよび方法 | |
EP3073082A1 (en) | Systems and methods for monitoing the health of a selective catalytic reduction catalyst | |
JP6466130B2 (ja) | ガス還元剤噴射制御システム | |
EP3070284A1 (en) | Systems and methods for monitoring the health of a mid-bed oxidant injection system | |
US20170175604A1 (en) | System and method to improve nox conversion from a hybrid power plant | |
KR102363771B1 (ko) | 촉매 비활성화 모니터링을 이용하는 배기 후처리 시스템 | |
CN108463625B (zh) | 针对催化剂老化而适应空气-燃料(a/f)控制的方法 | |
KR20160106503A (ko) | 후처리 시스템을 제어하는 시스템 및 방법 | |
CA2921931A1 (en) | Systems and methods for monitoring the health of a three-way catalyst | |
KR102304241B1 (ko) | 촉매 열화 모니터링부를 갖는 배기가스 후처리 시스템 | |
EP3032057B1 (en) | Method and system for control of emissions in exhaust aftertreatment system | |
US20190093535A1 (en) | Systems and methods for adjusting for aftertreatment system condition | |
US10001046B2 (en) | Methods to adapt reductant injection controls for catalyst aging | |
EP3184768B1 (en) | Emission control network for hybrid power plants |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20190227 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20191113 |
|
A711 | Notification of change in applicant |
Free format text: JAPANESE INTERMEDIATE CODE: A711 Effective date: 20191205 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20191224 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20200205 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20200318 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20200401 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20200402 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 6687451 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |