JP6152180B2 - 微粒子フィルタを監視するための方法 - Google Patents
微粒子フィルタを監視するための方法 Download PDFInfo
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- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 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
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- F01N9/00—Electrical control of exhaust gas treating apparatus
- F01N9/005—Electrical control of exhaust gas treating apparatus using models instead of sensors to determine operating characteristics of exhaust systems, e.g. calculating catalyst temperature instead of measuring it directly
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N15/06—Investigating concentration of particle suspensions
- G01N15/0656—Investigating concentration of particle suspensions using electric, e.g. electrostatic methods or magnetic methods
-
- 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
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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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
- F01N9/00—Electrical control of exhaust gas treating apparatus
- F01N9/002—Electrical control of exhaust gas treating apparatus of filter regeneration, e.g. detection of clogging
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M15/00—Testing of engines
- G01M15/04—Testing internal-combustion engines
- G01M15/10—Testing internal-combustion engines by monitoring exhaust gases or combustion flame
- G01M15/102—Testing internal-combustion engines by monitoring exhaust gases or combustion flame by monitoring exhaust gases
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
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- F01N2550/00—Monitoring or diagnosing the deterioration of exhaust systems
- F01N2550/04—Filtering activity of particulate filters
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
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- F01N2560/00—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics
- F01N2560/05—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being a particulate sensor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
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- 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
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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
- F01N2560/20—Sensor having heating means
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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
- F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
- F01N2900/04—Methods of control or diagnosing
- F01N2900/0416—Methods of control or diagnosing using the state of a sensor, e.g. of an exhaust gas sensor
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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
- F01N2900/00—Details of electrical control or of the monitoring of the exhaust gas treating apparatus
- F01N2900/04—Methods of control or diagnosing
- F01N2900/0418—Methods of control or diagnosing using integration or an accumulated value within an elapsed period
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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
- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
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- 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
- F01N2900/1606—Particle filter loading or soot amount
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
- G01N2015/0042—Investigating dispersion of solids
- G01N2015/0046—Investigating dispersion of solids in gas, e.g. smoke
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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
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- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
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- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Description
・ 排気ガス中のガス状汚染物質を分解する触媒コンバータ、
・ 排気ガス中(特に、ディーゼル機関における)微小固体粒子を除去する微粒子フィルタ(または煤フィルタ)
が含まれる。
DPFの適用の必要性をもたらした。これに関連して、微粒子フィルタを監視することについてのより厳格な要件を義務づける将来のオンボード診断法規(OBD:on-board diagnostic)を満たすために、DPFによって放出される煤量を検出することが必要である。
η=1−1/10=0.9であり、したがって、90%の効率に相当する。
− 信号処理装置(ボックス100)によって与えられる煤センサ20の状態。たとえば、センサアクティブフラグ(0または1)、再生フラグ(0または1)。ここで対象となる主要な情報は、センササイクルが完了されたか否かを知ることである(たとえば、アクティブフラグから再生フラグへの切り替えによって決定され得る)。
− モデルから得られる煤指標の現在値(PMセンサ堆積レベル−ボックス102)。
− 「不合格閾値」:これを下回ると微粒子フィルタが、欠陥があるとみなされる値。
− 「合格閾値」:これを上回ると微粒子フィルタが適切に作動している(機能している)とみなされる値。
− 「停止閾値」:これを上回ると煤センサが停止される値。
− 「PMS LL avg」:これは、50で示されるバッファメモリに記憶される多くの最後に決定された煤指標値の平均値である。このバッファ50に記憶される値は、図4に図示される方法の以前の実施中に決定され、ボックス116に従ってバッファに書き込まれる煤指標値である。PMS LL avgは、微粒子フィルタ性能の最近の傾向の指標を与える。
12 内燃機関
14 DOC
16 DPF
18 SCR
20 煤センサ
50 バッファメモリ
Claims (17)
- 内燃機関の排気系路に配置される微粒子フィルタを監視するための方法であって、
粒子状物質が所定の閾値まで堆積する特性センササイクルを有する下流の煤センサ(20)によって前記微粒子フィルタ(16)の下流の排気ガス流を監視する工程と、
前記下流の煤センサ(20)のそれぞれのセンササイクルにわたって上流の煤センサのところでの煤の堆積を監視する工程と、
前記下流の煤センサおよび前記上流の煤センサの情報に基づいて前記微粒子フィルタ(16)の作動状態を決定する工程と
を備える方法。 - 請求項1に記載の方法であって、
前記上流の煤センサは、粒子状物質が所定の閾値まで堆積する特性センササイクルを有し、
堆積した煤の量が、前記上流の煤センサのセンササイクルに基づいて決定され、煤堆積レベルとして、または、センササイクルの回数もしくは頻度として表される
方法。 - 請求項1または請求項2に記載の方法であって、
前記上流の煤センサは、多くの所定のエンジン作動パラメータを入力値として有する仮想センサモデルによって提供される
方法。 - 請求項4に記載の方法であって、
前記エンジン作動パラメータには、少なくとも、エンジン出口の煤の濃度、および、排気ガス速度が含まれる
方法 - 請求項4または請求項5に記載の方法であって、
前記モデルは、現在のエンジン作動パラメータに対応する定常状態の応答時間に対応するモデルセンサ応答時間を出力する伝達関数(40)を備える
方法。 - 請求項2を引用元に含む請求項6に記載の方法であって、
前記上流の煤センサの前記煤堆積レベルを表す煤指標が、前記下流の煤センサの1つのセンササイクルにわたって、各反復期間に対応するモデルセンササイクル時間の一部分に基づいて反復的に計算される(46)
方法。 - 請求項1ないし請求項8のいずれか一項に記載の方法であって、
前記上流のセンサのところでの煤堆積が、前記下流の煤センサについての1つのセンササイクルの期間にわたって監視される
方法。 - 請求項7、請求項8、または、請求項7を引用元に含む請求項9に記載の方法であって、
前記煤指標は、
合格閾値であって、該合格閾値を上回る場合に機能している微粒子フィルタを表す合格閾値と比較され、
不合格閾値であって、該不合格閾値を上回らない場合に欠陥のある微粒子フィルタを表す不合格閾値と比較される
方法。 - 請求項7、請求項8、または、請求項7を引用元に含む請求項9に記載の方法であって、
ルーチンが周期的に実行され、
前記ルーチンは、現在のタイミングで前記下流の煤センサ(20)の状態と、前記煤指標(102)と、を決定する工程を備え、
前記ルーチンは、さらに、
前記下流の煤センサがそのセンササイクルを完了しない場合に、前記煤指標を合格閾値と比較し(106)、該煤指標が該合格閾値を越えているときに、以前の煤指標値の平均を前記合格閾値と比較し(108)、該平均が該合格閾値を超えているときに、前記微粒子フィルタが、機能する作動状態を有していると見なす(110)工程と、
前記下流の煤センサがそのセンササイクルを完了しており、かつ、前記煤指標が不合格閾値を下回っている場合に(118)、以前の煤指標値の平均を前記不合格閾値と比較し(120)、該平均が該不合格閾値を下回っているときに、前記微粒子フィルタが、欠陥のある作動状態を有していると見なす(122)工程と
のうちの一方を備える
方法。 - 請求項11に記載の方法であって、
前記現在の煤指標値は、前記下流の煤センサの前記センササイクルの完了後に、以前の煤指標値として記憶される(116)
方法。 - 請求項11または請求項12に記載の方法であって、
前記現在の煤指標値は、所定の停止閾値に達している場合に、以前の煤指標値として記憶される(114)
方法。 - 請求項2または請求項3に記載の方法であって、
前記上流の煤センサは、実際の煤センサである
方法。 - 請求項4ないし請求項8、および、請求項4を引用元に含む請求項9ないし請求項13のいずれか一項に記載の方法であって、
前記下流の煤センサは、抵抗型であり、
前記上流の煤センサが抵抗型であるか、または、前記仮想センサモデルが抵抗型煤センサをシミュレーションする
方法。 - 内燃機関の排気系路に配置される微粒子フィルタを監視するためのシステムであって、
前記微粒子フィルタの後段に配置される下流の煤センサと、
請求項1ないし請求項15のいずれか一項に記載の方法を実施するように構成された制御手段と
を備えるシステム。 - コンピュータプログラムであって、
プロセッサによって実行されると、請求項1ないし請求項15のいずれか一項に記載の方法を前記プロセッサに実行させるプロセッサ実行可能な指令を備える
コンピュータプログラム。
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US9534524B1 (en) * | 2015-06-18 | 2017-01-03 | Ford Global Technologies, Llc | Dual rate diesel particulate filter leak monitor |
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CN107803071B (zh) * | 2016-09-09 | 2020-01-17 | 中微半导体设备(上海)股份有限公司 | 一种排气系统及防止尘粒回流的装置及方法 |
CN109297886A (zh) * | 2017-07-25 | 2019-02-01 | 上海云杉信息科技有限公司 | 一种空气净化装置中滤网效率的测量装置、系统及方法 |
CN108087071B (zh) * | 2017-12-05 | 2021-09-28 | 南京依柯卡特排放技术股份有限公司 | 对dpf碳载量的判断方法 |
US11566555B2 (en) | 2018-08-30 | 2023-01-31 | University Of Kansas | Advanced prediction model for soot oxidation |
DE102018217201A1 (de) * | 2018-10-09 | 2020-04-09 | Robert Bosch Gmbh | Verfahren und Vorrichtung zur Auswertung eines Sensorsignals eines Rußsensors |
CN111026085B (zh) * | 2019-12-19 | 2023-01-24 | 中国重汽集团济南动力有限公司 | 一种dpf损坏故障诊断系统,方法及重型柴油车 |
US11636870B2 (en) | 2020-08-20 | 2023-04-25 | Denso International America, Inc. | Smoking cessation systems and methods |
US11813926B2 (en) | 2020-08-20 | 2023-11-14 | Denso International America, Inc. | Binding agent and olfaction sensor |
US11881093B2 (en) | 2020-08-20 | 2024-01-23 | Denso International America, Inc. | Systems and methods for identifying smoking in vehicles |
US11828210B2 (en) | 2020-08-20 | 2023-11-28 | Denso International America, Inc. | Diagnostic systems and methods of vehicles using olfaction |
US11760170B2 (en) | 2020-08-20 | 2023-09-19 | Denso International America, Inc. | Olfaction sensor preservation systems and methods |
US11932080B2 (en) | 2020-08-20 | 2024-03-19 | Denso International America, Inc. | Diagnostic and recirculation control systems and methods |
US12017506B2 (en) | 2020-08-20 | 2024-06-25 | Denso International America, Inc. | Passenger cabin air control systems and methods |
US11760169B2 (en) | 2020-08-20 | 2023-09-19 | Denso International America, Inc. | Particulate control systems and methods for olfaction sensors |
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US7278304B2 (en) * | 2005-12-06 | 2007-10-09 | Ford Global Technologies Llc | System and method for performing a particulate sensor diagnostic |
US7679374B2 (en) | 2006-05-01 | 2010-03-16 | Massachusetts Institute Of Technology | Microwave sensing for determination of loading of filters |
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US8332124B2 (en) * | 2009-11-24 | 2012-12-11 | Corning Incorporated | Mass based methods and systems for estimating soot load |
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US9617899B2 (en) * | 2012-12-05 | 2017-04-11 | Ford Global Technologies, Llc | Methods and systems for a particulate matter sensor |
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