JP6222027B2 - ガスセンサの信号処理装置 - Google Patents

ガスセンサの信号処理装置 Download PDF

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Publication number
JP6222027B2
JP6222027B2 JP2014193796A JP2014193796A JP6222027B2 JP 6222027 B2 JP6222027 B2 JP 6222027B2 JP 2014193796 A JP2014193796 A JP 2014193796A JP 2014193796 A JP2014193796 A JP 2014193796A JP 6222027 B2 JP6222027 B2 JP 6222027B2
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JP
Japan
Prior art keywords
filter
engine
frequency
gas sensor
exhaust
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
Application number
JP2014193796A
Other languages
English (en)
Japanese (ja)
Other versions
JP2016065473A (ja
JP2016065473A5 (enExample
Inventor
克英 秋元
克英 秋元
俊英 熊崎
俊英 熊崎
隆仁 増子
隆仁 増子
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Denso Corp
Original Assignee
Denso Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Denso Corp filed Critical Denso Corp
Priority to JP2014193796A priority Critical patent/JP6222027B2/ja
Priority to DE112015004355.1T priority patent/DE112015004355B4/de
Priority to PCT/JP2015/076757 priority patent/WO2016047626A1/ja
Priority to US15/513,688 priority patent/US10288526B2/en
Publication of JP2016065473A publication Critical patent/JP2016065473A/ja
Publication of JP2016065473A5 publication Critical patent/JP2016065473A5/ja
Application granted granted Critical
Publication of JP6222027B2 publication Critical patent/JP6222027B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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    • 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
    • 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
    • F02D41/1454—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 oxygen content or concentration or the air-fuel ratio
    • 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
    • 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
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features
    • F01N13/008—Mounting or arrangement of exhaust sensors in or on exhaust apparatus
    • 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
    • F02D41/1486—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor with correction for particular operating conditions
    • 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
    • F02D41/24—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means
    • F02D41/26—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using computer, e.g. microprocessor
    • F02D41/28—Interface circuits
    • 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
    • F02D2041/1432—Controller structures or design the system including a filter, e.g. a low pass or high pass filter
    • 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
    • F02D41/24—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means
    • F02D41/26—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using computer, e.g. microprocessor
    • F02D41/28—Interface circuits
    • F02D2041/281—Interface circuits between sensors and control unit
    • 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
    • F02D41/24—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means
    • F02D41/26—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using computer, e.g. microprocessor
    • F02D41/28—Interface circuits
    • F02D2041/286—Interface circuits comprising means for signal processing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D2200/00—Input parameters for engine control
    • F02D2200/02—Input parameters for engine control the parameters being related to the engine
    • F02D2200/10—Parameters related to the engine output, e.g. engine torque or engine speed
    • F02D2200/101—Engine speed
    • 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
    • F02D41/1493—Details
    • F02D41/1495—Detection of abnormalities in the air/fuel ratio feedback system

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Analytical Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
  • Exhaust Gas After Treatment (AREA)
JP2014193796A 2014-09-24 2014-09-24 ガスセンサの信号処理装置 Active JP6222027B2 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2014193796A JP6222027B2 (ja) 2014-09-24 2014-09-24 ガスセンサの信号処理装置
DE112015004355.1T DE112015004355B4 (de) 2014-09-24 2015-09-18 Signalverarbeitungsvorrichtung für einen Gassensor
PCT/JP2015/076757 WO2016047626A1 (ja) 2014-09-24 2015-09-18 ガスセンサの信号処理装置
US15/513,688 US10288526B2 (en) 2014-09-24 2015-09-18 Signal processing apparatus for gas sensor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2014193796A JP6222027B2 (ja) 2014-09-24 2014-09-24 ガスセンサの信号処理装置

Publications (3)

Publication Number Publication Date
JP2016065473A JP2016065473A (ja) 2016-04-28
JP2016065473A5 JP2016065473A5 (enExample) 2016-08-04
JP6222027B2 true JP6222027B2 (ja) 2017-11-01

Family

ID=55581151

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2014193796A Active JP6222027B2 (ja) 2014-09-24 2014-09-24 ガスセンサの信号処理装置

Country Status (4)

Country Link
US (1) US10288526B2 (enExample)
JP (1) JP6222027B2 (enExample)
DE (1) DE112015004355B4 (enExample)
WO (1) WO2016047626A1 (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11199151B2 (en) * 2019-06-26 2021-12-14 Cummins Inc. Vehicle controller with complementary capacitance for analog-to-digital converter (A/D) low pass filter
JP2022132769A (ja) * 2021-03-01 2022-09-13 村田機械株式会社 変位検出装置

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1026501B1 (en) * 1999-02-03 2010-10-06 Denso Corporation Gas concentration measuring apparatus compensating for error component of output signal
US6112149A (en) * 1999-06-28 2000-08-29 Ford Global Technologies, Inc. Misfire detection system and method using recursive median filtering for high data rate engine control system
JP2003269236A (ja) * 2002-03-18 2003-09-25 Nissan Diesel Motor Co Ltd エンジンのガス圧検出装置及びパティキュレートフィルタの制御装置
JP4179192B2 (ja) * 2004-03-08 2008-11-12 株式会社デンソー 内燃機関の燃焼状態検出装置
US7292933B2 (en) * 2004-11-15 2007-11-06 Lotus Engineering, Inc. Engine misfire detection
JP4675284B2 (ja) * 2006-06-16 2011-04-20 本田技研工業株式会社 内燃機関の温度測定装置
US7802563B2 (en) 2008-03-25 2010-09-28 Fors Global Technologies, LLC Air/fuel imbalance monitor using an oxygen sensor
JP4609545B2 (ja) 2008-08-06 2011-01-12 株式会社デンソー ガスセンサの信号処理装置
US7900615B2 (en) 2008-10-01 2011-03-08 Gm Global Technology Operations, Inc. Air-fuel imbalance detection based on zero-phase filtering
JP2010203413A (ja) 2009-03-05 2010-09-16 Denso Corp 内燃機関の気筒別空燃比制御装置
JP5152097B2 (ja) * 2009-05-08 2013-02-27 株式会社デンソー ガスセンサの信号処理装置
JP5138712B2 (ja) 2010-01-19 2013-02-06 日立オートモティブシステムズ株式会社 過給機付きエンジンの制御装置
JP5039224B1 (ja) * 2011-05-17 2012-10-03 三菱電機株式会社 内燃機関の制御装置

Also Published As

Publication number Publication date
US20170307477A1 (en) 2017-10-26
WO2016047626A1 (ja) 2016-03-31
JP2016065473A (ja) 2016-04-28
DE112015004355B4 (de) 2022-04-21
DE112015004355T5 (de) 2017-06-14
US10288526B2 (en) 2019-05-14

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