JP6455185B2 - 内燃機関制御装置 - Google Patents
内燃機関制御装置 Download PDFInfo
- Publication number
- JP6455185B2 JP6455185B2 JP2015015736A JP2015015736A JP6455185B2 JP 6455185 B2 JP6455185 B2 JP 6455185B2 JP 2015015736 A JP2015015736 A JP 2015015736A JP 2015015736 A JP2015015736 A JP 2015015736A JP 6455185 B2 JP6455185 B2 JP 6455185B2
- Authority
- JP
- Japan
- Prior art keywords
- cell
- internal combustion
- combustion engine
- abnormality
- control
- 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.)
- Expired - Fee Related
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Classifications
-
- 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
- F02D41/22—Safety or indicating devices for abnormal conditions
- F02D41/222—Safety or indicating devices for abnormal conditions relating to the failure of sensors or parameter detection devices
-
- 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
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/14—Introducing closed-loop corrections
- F02D41/1438—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
- F02D41/1444—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases
- F02D41/146—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 NOx content or concentration
- F02D41/1463—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 NOx content or concentration of the exhaust gases downstream of exhaust gas treatment 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
- F01N2550/00—Monitoring or diagnosing the deterioration of exhaust systems
-
- 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
- F01N2560/14—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
- 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]
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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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Exhaust Gas After Treatment (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
Description
20:ディーゼルエンジン
24:NOxセンサ
242:測定室
246:ポンプセル
248:センサセル
249:モニタセル
40:SCU(Sensor Control Unit)
402:ポンプセル検出部
403:センサセル検出部
404:モニタセル検出部
406:異常判定部
Claims (2)
- 内燃機関(20)の排出ガスが導入される測定室(242)外に酸素を排出するためのポンプセル(246)と、酸素が排出された前記排出ガスの残留酸素濃度及び前記排出ガス中の特定のガス濃度を検出するためのセンサセル(248)と、酸素が排出された前記排出ガスの残留酸素濃度を検出するためのモニタセル(249)と、を有する内燃機関制御装置であって、
前記ポンプセルが出力する電流を検出するポンプセル検出部(402)と、
前記センサセルが出力する電流を検出するセンサセル検出部(403)と、
前記モニタセルが出力する電流を検出するモニタセル検出部(404)と、
前記ポンプセル検出部、前記センサセル検出部、及び前記モニタセル検出部が検出する電流値に基づいて、異常発生の有無を判断する異常判断部(406)と、
前記異常判断部の判断結果に基づいて、前記内燃機関を制御する制御部(10)と、を備え、
前記制御部は、前記ポンプセルに繋がる電気系統の異常発生に対しては、前記内燃機関に対して第1制御を、前記センサセルに繋がる電気系統の異常発生に対しては、前記内燃機関に対して第2制御を、前記モニタセルに繋がる電気系統の異常発生に対しては、前記内燃機関に対して前記第2制御とは異なる第3制御を、それぞれ実行することを特徴とする内燃機関制御装置。 - 内燃機関(20)の排出ガスが導入される測定室(242)外に酸素を排出するためのポンプセル(246)と、酸素が排出された前記排出ガスの残留酸素濃度及び前記排出ガス中の特定のガス濃度を検出するためのセンサセル(248)と、酸素が排出された前記排出ガスの残留酸素濃度を検出するためのモニタセル(249)と、を有する内燃機関制御装置であって、
前記ポンプセルが出力する電流を検出するポンプセル検出部(402)と、
前記センサセルが出力する電流を検出するセンサセル検出部(403)と、
前記モニタセルが出力する電流を検出するモニタセル検出部(404)と、
前記ポンプセル検出部、前記センサセル検出部、及び前記モニタセル検出部が検出する電流値に基づいて、異常発生の有無を判断する異常判断部(406)と、
前記異常判断部の判断結果に基づいて、前記内燃機関を制御する制御部(10)と、を備え、
前記制御部は、
前記異常判断部が異常発生無しと判断した場合には前記内燃機関に対して通常制御を、
前記ポンプセルに繋がる電気系統の異常発生に対しては、前記内燃機関に対して前記通常制御と異なる第1制御を、
前記センサセルに繋がる電気系統の異常発生に対しては、前記内燃機関に対して前記通常制御と異なる第2制御を、
前記モニタセルに繋がる電気系統の異常発生に対しては、前記内燃機関に対して前記通常制御と同一の第3制御を、それぞれ実行することを特徴とする内燃機関制御装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015015736A JP6455185B2 (ja) | 2015-01-29 | 2015-01-29 | 内燃機関制御装置 |
DE112016000543.1T DE112016000543T5 (de) | 2015-01-29 | 2016-01-27 | Steuervorrichtung für interne Verbrennungsmaschine |
PCT/JP2016/000387 WO2016121380A1 (ja) | 2015-01-29 | 2016-01-27 | 内燃機関制御装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015015736A JP6455185B2 (ja) | 2015-01-29 | 2015-01-29 | 内燃機関制御装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2016142131A JP2016142131A (ja) | 2016-08-08 |
JP6455185B2 true JP6455185B2 (ja) | 2019-01-23 |
Family
ID=56543002
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2015015736A Expired - Fee Related JP6455185B2 (ja) | 2015-01-29 | 2015-01-29 | 内燃機関制御装置 |
Country Status (3)
Country | Link |
---|---|
JP (1) | JP6455185B2 (ja) |
DE (1) | DE112016000543T5 (ja) |
WO (1) | WO2016121380A1 (ja) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6558109B2 (ja) | 2014-07-25 | 2019-08-14 | 株式会社デンソー | ガス濃度検出装置 |
JP6390560B2 (ja) | 2014-10-01 | 2018-09-19 | 株式会社デンソー | ガス濃度検出装置 |
JP2018105679A (ja) * | 2016-12-26 | 2018-07-05 | 株式会社デンソー | 異常判断装置 |
JP7459830B2 (ja) | 2021-03-29 | 2024-04-02 | 株式会社デンソー | ガス濃度検出システム |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH073404B2 (ja) * | 1986-03-27 | 1995-01-18 | 本田技研工業株式会社 | 酸素濃度センサの異常検出方法 |
JPH0469567A (ja) * | 1990-07-10 | 1992-03-04 | Mitsubishi Motors Corp | 空燃比センサの故障判定装置 |
JP4020019B2 (ja) * | 2002-08-29 | 2007-12-12 | 株式会社デンソー | ガスセンサの異常検出装置 |
JP4252359B2 (ja) * | 2003-05-09 | 2009-04-08 | 株式会社日本自動車部品総合研究所 | ガス濃度センサの異常検出装置 |
-
2015
- 2015-01-29 JP JP2015015736A patent/JP6455185B2/ja not_active Expired - Fee Related
-
2016
- 2016-01-27 WO PCT/JP2016/000387 patent/WO2016121380A1/ja active Application Filing
- 2016-01-27 DE DE112016000543.1T patent/DE112016000543T5/de not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
JP2016142131A (ja) | 2016-08-08 |
DE112016000543T5 (de) | 2017-10-26 |
WO2016121380A1 (ja) | 2016-08-04 |
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