JP6144568B2 - センサ出力値推定装置 - Google Patents
センサ出力値推定装置 Download PDFInfo
- Publication number
- JP6144568B2 JP6144568B2 JP2013159190A JP2013159190A JP6144568B2 JP 6144568 B2 JP6144568 B2 JP 6144568B2 JP 2013159190 A JP2013159190 A JP 2013159190A JP 2013159190 A JP2013159190 A JP 2013159190A JP 6144568 B2 JP6144568 B2 JP 6144568B2
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- Prior art keywords
- temperature
- estimated
- sensor
- sensor output
- output value
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- 239000007924 injection Substances 0.000 claims description 24
- 239000000446 fuel Substances 0.000 claims description 22
- 230000004044 response Effects 0.000 claims description 19
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 18
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- 230000014509 gene expression Effects 0.000 claims description 9
- 239000012530 fluid Substances 0.000 description 13
- 238000012546 transfer Methods 0.000 description 13
- 238000003745 diagnosis Methods 0.000 description 10
- 238000012937 correction Methods 0.000 description 9
- 238000002485 combustion reaction Methods 0.000 description 5
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Images
Classifications
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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
- F02D41/14—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
- F02D41/1446—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 exhaust temperatures
- F02D41/1447—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 exhaust temperatures with determination means using an estimation
-
- 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
- F02D41/1446—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 exhaust temperatures
-
- 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
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
- G01K7/42—Circuits effecting compensation of thermal inertia; Circuits for predicting the stationary value of a temperature
-
- 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
- F02D41/1401—Introducing closed-loop corrections characterised by the control or regulation method
- F02D2041/1413—Controller structures or design
- F02D2041/1431—Controller structures or design the system including an input-output delay
-
- 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
- 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
-
- 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
- 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
- F02M26/13—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories
- F02M26/22—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories with coolers in the recirculation passage
- F02M26/23—Layout, e.g. schematics
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K2205/00—Application of thermometers in motors, e.g. of a vehicle
- G01K2205/04—Application of thermometers in motors, e.g. of a vehicle for measuring exhaust gas temperature
-
- 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)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
- Exhaust-Gas Circulating Devices (AREA)
Description
12 排気通路(排気管)
31 排気温度センサ
36 クーラ出口温度センサ
37 クーラ入口温度センサ
40 ECU
42 図示熱効率演算部(推定ガス温度演算手段)
43 推定ガス温度演算部(推定ガス温度演算手段)
44 推定センサ出力値演算部(推定センサ出力値演算手段)
45 排気温度センサ診断部(診断手段)
Claims (3)
- 少なくともエンジンの運転状態及び、エンジン内ガスの状態量に基づいて、前記エンジンの推定ガス温度を演算する推定ガス温度演算手段と、
演算される前記推定ガス温度及び第1モデル式に基づいて、前記温度センサの応答遅れを反映させた推定センサ出力値を演算する推定センサ出力値演算手段と、を備え、
前記第1モデル式に、
前記温度センサの温度変化時定数とガス流量とガス温度とに基づいて、前記温度センサの壁面に起因した前記温度センサの応答遅れを演算すると共に、前記配管の温度変化時定数とガス流量とガス温度とに基づいて、前記配管に起因した前記温度センサの応答遅れを演算し、
前記配管に起因した応答遅れに、0より大きく且つ1より小さい重み係数を乗じた値と、前記温度センサの壁面に起因した応答遅れに、1から前記重み係数を減じた値を乗じた値とを加算することにより、前記推定センサ出力値を演算することが規定されている、
ことを特徴とするセンサ出力値推定装置。 - 前記推定センサ出力値演算手段で演算される推定センサ出力値と、前記温度センサで検出される実センサ出力値とに基づいて、前記温度センサを診断する診断手段をさらに備える
請求項1に記載のセンサ出力値推定装置。 - 前記推定ガス温度演算手段は、
前記エンジンの吸気酸素濃度と運転状態に応じて設定される燃料噴射時期と図示熱効率変化量との関係を規定する第2モデル式に基づいて、前記エンジンの図示熱効率変化量を演算すると共に、演算される図示熱効率変化量と排気温度との関係を規定する第3モデル式に基づいて、前記エンジンの推定排気温度を演算する
請求項1又は2に記載のセンサ出力値推定装置。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013159190A JP6144568B2 (ja) | 2013-07-31 | 2013-07-31 | センサ出力値推定装置 |
PCT/JP2014/070197 WO2015016304A1 (ja) | 2013-07-31 | 2014-07-31 | センサ出力値推定装置 |
CN201480041934.8A CN105492746B (zh) | 2013-07-31 | 2014-07-31 | 传感器输出值推断装置 |
US14/908,297 US10041427B2 (en) | 2013-07-31 | 2014-07-31 | Sensor output value estimation device |
EP14831966.8A EP3029303B1 (en) | 2013-07-31 | 2014-07-31 | Sensor output value estimation device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013159190A JP6144568B2 (ja) | 2013-07-31 | 2013-07-31 | センサ出力値推定装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2015031169A JP2015031169A (ja) | 2015-02-16 |
JP6144568B2 true JP6144568B2 (ja) | 2017-06-07 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2013159190A Expired - Fee Related JP6144568B2 (ja) | 2013-07-31 | 2013-07-31 | センサ出力値推定装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US10041427B2 (ja) |
EP (1) | EP3029303B1 (ja) |
JP (1) | JP6144568B2 (ja) |
CN (1) | CN105492746B (ja) |
WO (1) | WO2015016304A1 (ja) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9670860B2 (en) * | 2012-11-05 | 2017-06-06 | Nissan Motor Co., Ltd. | Abnormality diagnosing apparatus of intake air temperature sensor, and abnormality diagnosing method |
JP6146192B2 (ja) * | 2013-07-31 | 2017-06-14 | いすゞ自動車株式会社 | 診断装置 |
US9657670B2 (en) * | 2015-10-02 | 2017-05-23 | GM Global Technology Operations LLC | Exhaust system temperature estimation systems and methods |
US9644548B2 (en) * | 2015-10-02 | 2017-05-09 | GM Global Technology Operations LLC | Exhaust system pressure estimation systems and methods |
JP2018076837A (ja) * | 2016-11-10 | 2018-05-17 | いすゞ自動車株式会社 | 内燃機関の制御装置 |
JP6381728B1 (ja) * | 2017-04-19 | 2018-08-29 | 三菱電機株式会社 | 内燃機関の制御装置 |
CN109100051B (zh) * | 2017-06-20 | 2021-01-08 | 中国航发商用航空发动机有限责任公司 | 温度传感器的动态响应的温度修正方法及装置 |
CN107503854B (zh) * | 2017-09-29 | 2020-01-17 | 北京理工大学 | 确定增压柴油机排气温度传感器是否异常及故障诊断方法 |
AT521736B1 (de) * | 2018-09-27 | 2022-04-15 | Avl List Gmbh | Verfahren zur Funktionsüberprüfung einer Temperatursensor-Anordnung |
US11293366B2 (en) * | 2019-02-19 | 2022-04-05 | GM Global Technology Operations LLC | Data sensing and estimation |
JP6779422B1 (ja) * | 2020-03-13 | 2020-11-04 | 株式会社エー・アンド・デイ | 温度計特性情報生成システム及び温度計特性情報生成方法 |
US11636870B2 (en) | 2020-08-20 | 2023-04-25 | Denso International America, Inc. | Smoking cessation systems and methods |
US11760170B2 (en) | 2020-08-20 | 2023-09-19 | Denso International America, Inc. | Olfaction sensor preservation systems and methods |
US12017506B2 (en) | 2020-08-20 | 2024-06-25 | Denso International America, Inc. | Passenger cabin air control systems and methods |
US11881093B2 (en) | 2020-08-20 | 2024-01-23 | Denso International America, Inc. | Systems and methods for identifying smoking in vehicles |
US11760169B2 (en) | 2020-08-20 | 2023-09-19 | Denso International America, Inc. | Particulate control systems and methods for olfaction sensors |
US11828210B2 (en) | 2020-08-20 | 2023-11-28 | Denso International America, Inc. | Diagnostic systems and methods of vehicles using olfaction |
US11932080B2 (en) | 2020-08-20 | 2024-03-19 | Denso International America, Inc. | Diagnostic and recirculation control systems and methods |
US11813926B2 (en) | 2020-08-20 | 2023-11-14 | Denso International America, Inc. | Binding agent and olfaction sensor |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3331758B2 (ja) * | 1994-07-25 | 2002-10-07 | 株式会社デンソー | 排出ガス浄化装置の温度制御装置 |
US5544639A (en) | 1993-08-31 | 1996-08-13 | Nippondenso Co., Ltd. | Temperature predicting system for internal combustion engine and temperature control system including same |
JP3239575B2 (ja) * | 1993-08-31 | 2001-12-17 | 株式会社デンソー | 内燃機関の温度予測装置及び温度制御装置 |
JP3968075B2 (ja) * | 2001-06-18 | 2007-08-29 | トヨタ自動車株式会社 | 内燃機関の空燃比制御装置 |
JP2003315305A (ja) * | 2002-04-22 | 2003-11-06 | Honda Motor Co Ltd | 排ガスセンサの温度制御装置 |
JP2003328848A (ja) * | 2002-05-16 | 2003-11-19 | Honda Motor Co Ltd | 排ガスセンサの素子温を制御する装置 |
JP4503222B2 (ja) * | 2002-08-08 | 2010-07-14 | 本田技研工業株式会社 | 内燃機関の空燃比制御装置 |
JP2004197614A (ja) * | 2002-12-17 | 2004-07-15 | Toyota Motor Corp | 内燃機関の圧力・温度算出装置 |
FR2877043B1 (fr) * | 2004-10-27 | 2006-12-22 | Renault Sas | Procede et dispositif pour l'estimation des gaz d'echappement entrant dans un systeme de post-traitement place en aval d'un systeme de traitement de ces gaz |
JP4424182B2 (ja) * | 2004-12-06 | 2010-03-03 | 株式会社デンソー | 内燃機関の排気温度推定装置 |
JP4373909B2 (ja) * | 2004-12-28 | 2009-11-25 | 本田技研工業株式会社 | プラントの温度制御装置 |
JP4270173B2 (ja) * | 2005-07-05 | 2009-05-27 | 日産自動車株式会社 | ディーゼルエンジンの排気後処理装置 |
JP4501877B2 (ja) * | 2006-03-14 | 2010-07-14 | 株式会社デンソー | 内燃機関の制御装置 |
JP4963052B2 (ja) | 2006-09-22 | 2012-06-27 | Udトラックス株式会社 | 排気温度センサの異常検出装置 |
US7824099B2 (en) * | 2007-11-29 | 2010-11-02 | Gm Global Technology Operations, Inc. | Accurate gas temperature estimation at transient conditions based on temperature sensor readings |
JP4719784B2 (ja) * | 2007-11-30 | 2011-07-06 | 日立オートモティブシステムズ株式会社 | エンジンの制御装置および制御方法 |
JP4929261B2 (ja) * | 2008-09-22 | 2012-05-09 | 日立オートモティブシステムズ株式会社 | エンジンの制御装置 |
US8146351B2 (en) * | 2009-06-05 | 2012-04-03 | GM Global Technology Operations LLC | Regeneration systems and methods for particulate filters using virtual brick temperature sensors |
EP2458167A4 (en) | 2009-10-22 | 2014-10-01 | Toyota Motor Co Ltd | DEFROSTING TEMPERATURE MEASURING DEVICE AND DEFROSTING TEMPERATURE MEASURING PROCEDURE |
JP5143170B2 (ja) * | 2010-03-17 | 2013-02-13 | 日立オートモティブシステムズ株式会社 | 内燃機関の制御方法 |
-
2013
- 2013-07-31 JP JP2013159190A patent/JP6144568B2/ja not_active Expired - Fee Related
-
2014
- 2014-07-31 US US14/908,297 patent/US10041427B2/en not_active Expired - Fee Related
- 2014-07-31 WO PCT/JP2014/070197 patent/WO2015016304A1/ja active Application Filing
- 2014-07-31 CN CN201480041934.8A patent/CN105492746B/zh not_active Expired - Fee Related
- 2014-07-31 EP EP14831966.8A patent/EP3029303B1/en active Active
Also Published As
Publication number | Publication date |
---|---|
CN105492746B (zh) | 2018-07-10 |
US20160160777A1 (en) | 2016-06-09 |
EP3029303B1 (en) | 2019-10-23 |
EP3029303A1 (en) | 2016-06-08 |
WO2015016304A1 (ja) | 2015-02-05 |
JP2015031169A (ja) | 2015-02-16 |
EP3029303A4 (en) | 2017-04-05 |
CN105492746A (zh) | 2016-04-13 |
US10041427B2 (en) | 2018-08-07 |
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