JP6367735B2 - 粒子状物質数量推定システム - Google Patents
粒子状物質数量推定システム Download PDFInfo
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- JP6367735B2 JP6367735B2 JP2015031968A JP2015031968A JP6367735B2 JP 6367735 B2 JP6367735 B2 JP 6367735B2 JP 2015031968 A JP2015031968 A JP 2015031968A JP 2015031968 A JP2015031968 A JP 2015031968A JP 6367735 B2 JP6367735 B2 JP 6367735B2
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- Prior art keywords
- particulate matter
- mobility
- exhaust gas
- map
- mass
- Prior art date
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- 239000013618 particulate matter Substances 0.000 title claims description 209
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 34
- 238000011002 quantification Methods 0.000 claims description 26
- 238000002485 combustion reaction Methods 0.000 claims description 23
- 230000008021 deposition Effects 0.000 claims description 17
- 239000002245 particle Substances 0.000 claims description 13
- 239000000446 fuel Substances 0.000 claims description 11
- 238000003745 diagnosis Methods 0.000 claims description 4
- 238000009825 accumulation Methods 0.000 claims description 3
- 239000007789 gas Substances 0.000 description 47
- 238000000151 deposition Methods 0.000 description 18
- 238000001514 detection method Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 238000000746 purification Methods 0.000 description 6
- 239000003054 catalyst Substances 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000004071 soot Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Images
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
- F01N3/02—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
- F01N3/023—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 using means for regenerating the filters, e.g. by burning trapped particles
-
- 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
- F01N9/002—Electrical control of exhaust gas treating apparatus of filter regeneration, e.g. detection of clogging
-
- 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
- G01N15/0606—Investigating concentration of particle suspensions by collecting particles on a support
-
- 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
- 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
-
- 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
-
- 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
- F01N2900/1402—Exhaust gas composition
-
- 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
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Pathology (AREA)
- Dispersion Chemistry (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Processes For Solid Components From Exhaust (AREA)
- Exhaust Gas After Treatment (AREA)
Description
11…燃焼室、
12…インジェクタ、
20…給気マニホールド、
21…給気通路、
22…エアフローセンサ、
23…スロットルバルブ、
24…圧力センサ(インマニ圧センサ)、
30…排気マニホールド、
31…排気通路、
32…EGR通路、
33…EGRバルブ、
40…ターボチャージャ、
41…コンプレッサ、
42…タービン、
50…排気浄化装置、
51…酸化触媒(DOC)、
52…DPF、
60…PM定量装置、
61…PMを捕集する捕集部、
62…加熱手段、
612…櫛歯電極、
613…電気信号を取り出すための端子、
623…熱線、
70…PM定量装置のためのコントロールユニット、
71…堆積質量関係マップ、
72…PM移動度関係マップ、
73…水蒸気濃度補正マップ、
80…ECU、
81…空燃比と排気ガスの水蒸気濃度との関係をデータ化したマップ。
Claims (1)
- 内燃機関の排気ガス流路に備えた粒子状物質定量装置によって排気ガス中の粒子状物質を推定する粒子状物質数量推定システムであって、
前記粒子状物質定量装置は、絶縁板上に互いに離れて向かい合うように配置された一対の櫛歯電極を備え、該一対の櫛歯電極間の電気抵抗変化を検出することで、当該一対の櫛歯電極間の上に堆積した粒子状物質の質量を算出するようにした粒子状物質定量装置であり、
前記粒子状物質数量推定システムは、
車載式故障診断装置が採用する粒子状物質規定数量を設定する工程と、
コントロールユニットが前記粒子状物質定量装置の出力から堆積質量関係マップにより粒子状物質質量を推定する工程と、
コントロールユニットが粒子状物質移動度関係マップを用いて粒子状物質移動度を求める工程と、
ECUが備えるエンジンの空燃比と排気ガス中の水蒸気濃度との関係をデータ化したマップから水蒸気濃度を推定する工程と、
推定した水蒸気濃度から水蒸気濃度補正マップを用いて粒子状物質移動度変化率を求め、前記粒子状物質移動度変化率により粒子状物質移動度の補正を行なう工程と、
補正した粒子状物質移動度を用いて、堆積質量関係マップにより推定した粒子状物質質量から排気ガス中の粒子状物質排出量を推定する工程と、
燃焼温度から推定される粒子状物質の粒子径を用いて、粒子状物質排出量と粒子径から粒子状物質数量を推定する工程と、
コントロールユニット内で、粒子状物質堆積数量が設定した粒子状物質規定数量を上回っているかの判定を行う工程と、
粒子状物質堆積数量が粒子状物質規定数量を上回っている場合には、コントロールユニットは故障警告信号をECUに出力する工程と、
を含むことを特徴とする、粒子状物質数量推定システム。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015031968A JP6367735B2 (ja) | 2015-02-20 | 2015-02-20 | 粒子状物質数量推定システム |
DE102016101259.9A DE102016101259B4 (de) | 2015-02-20 | 2016-01-25 | System zum Schätzen einer Partikelanzahl |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015031968A JP6367735B2 (ja) | 2015-02-20 | 2015-02-20 | 粒子状物質数量推定システム |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2016153758A JP2016153758A (ja) | 2016-08-25 |
JP6367735B2 true JP6367735B2 (ja) | 2018-08-01 |
Family
ID=56577347
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2015031968A Expired - Fee Related JP6367735B2 (ja) | 2015-02-20 | 2015-02-20 | 粒子状物質数量推定システム |
Country Status (2)
Country | Link |
---|---|
JP (1) | JP6367735B2 (ja) |
DE (1) | DE102016101259B4 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106969797A (zh) * | 2017-04-12 | 2017-07-21 | 中州大学 | 一种用于环境检测的计算机网络系统 |
KR102223173B1 (ko) * | 2019-05-08 | 2021-03-25 | 순천향대학교 산학협력단 | 교정계수를 적용하는 미세먼지 측정장비의 성능평가에 의한 교정 방법 및 이를 구현하는 시스템, 및 그 방법을 수행하는 컴퓨터 프로그램이 기록된 기록매체 |
CN111794840B (zh) * | 2020-07-13 | 2021-11-23 | 武汉飞恩微电子有限公司 | 一种汽车发动机尾气排放处理系统 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0348527Y2 (ja) * | 1985-02-13 | 1991-10-16 | ||
DE102006018956A1 (de) | 2006-04-24 | 2007-10-25 | Robert Bosch Gmbh | Abgassensor |
JP4512658B2 (ja) * | 2008-07-04 | 2010-07-28 | 日本碍子株式会社 | 粒子状物質検出装置 |
JP5531459B2 (ja) | 2009-06-12 | 2014-06-25 | いすゞ自動車株式会社 | Pmセンサー |
US8656763B2 (en) * | 2010-04-30 | 2014-02-25 | Toyota Jidosha Kabushiki Kaisha | Failure detection apparatus and failure detection method for a particulate filter |
JP5333383B2 (ja) | 2010-08-31 | 2013-11-06 | 株式会社デンソー | センサ制御装置 |
JP2012083210A (ja) | 2010-10-12 | 2012-04-26 | Denso Corp | 粒子状物質検出センサ |
DE112010004519B4 (de) * | 2010-11-08 | 2021-03-04 | Toyota Jidosha Kabushiki Kaisha | Partikelerfassungsvorrichtung für eine Brennkraftmaschine |
JP5240679B2 (ja) * | 2011-01-20 | 2013-07-17 | 株式会社デンソー | 検出装置 |
JP2013024097A (ja) * | 2011-07-20 | 2013-02-04 | Denso Corp | センサ制御装置 |
JP2014098361A (ja) * | 2012-11-15 | 2014-05-29 | Toyota Motor Corp | パティキュレートフィルタのpm堆積量演算装置 |
-
2015
- 2015-02-20 JP JP2015031968A patent/JP6367735B2/ja not_active Expired - Fee Related
-
2016
- 2016-01-25 DE DE102016101259.9A patent/DE102016101259B4/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP2016153758A (ja) | 2016-08-25 |
DE102016101259B4 (de) | 2020-01-23 |
DE102016101259A1 (de) | 2016-08-25 |
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