EP2864746A4 - Procédé d'indication de fonction d'un capteur de pression et dispositif d'indication associé - Google Patents

Procédé d'indication de fonction d'un capteur de pression et dispositif d'indication associé

Info

Publication number
EP2864746A4
EP2864746A4 EP13784701.8A EP13784701A EP2864746A4 EP 2864746 A4 EP2864746 A4 EP 2864746A4 EP 13784701 A EP13784701 A EP 13784701A EP 2864746 A4 EP2864746 A4 EP 2864746A4
Authority
EP
European Patent Office
Prior art keywords
pressure sensor
indication device
device pertaining
indicating function
indicating
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.)
Withdrawn
Application number
EP13784701.8A
Other languages
German (de)
English (en)
Other versions
EP2864746A2 (fr
Inventor
Ola Stenlåås
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.)
Scania CV AB
Original Assignee
Scania CV AB
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 Scania CV AB filed Critical Scania CV AB
Publication of EP2864746A2 publication Critical patent/EP2864746A2/fr
Publication of EP2864746A4 publication Critical patent/EP2864746A4/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L27/00—Testing or calibrating of apparatus for measuring fluid pressure
    • G01L27/007—Malfunction diagnosis, i.e. diagnosing a sensor defect
    • 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
    • F01N11/002—Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity the diagnostic devices measuring or estimating temperature or pressure in, or downstream of the 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
    • F02D41/22—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
    • 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
    • G01M15/106—Testing internal-combustion engines by monitoring exhaust gases or combustion flame by monitoring exhaust gases using pressure sensors
    • 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
    • F02D2041/288—Interface circuits comprising means for signal processing for performing a transformation into the frequency domain, e.g. Fourier transformation
    • 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
    • F02D41/1448—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 exhaust gas pressure
    • 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)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biomedical Technology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Measuring Fluid Pressure (AREA)
EP13784701.8A 2012-05-03 2013-04-24 Procédé d'indication de fonction d'un capteur de pression et dispositif d'indication associé Withdrawn EP2864746A4 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE1250440A SE1250440A1 (sv) 2012-05-03 2012-05-03 Metod för att indikera funktionen hos en tryckgivare, och enindikeringsanordning i samband med metoden
PCT/SE2013/050450 WO2013165300A2 (fr) 2012-05-03 2013-04-24 Procédé d'indication de fonction d'un capteur de pression et dispositif d'indication associé

Publications (2)

Publication Number Publication Date
EP2864746A2 EP2864746A2 (fr) 2015-04-29
EP2864746A4 true EP2864746A4 (fr) 2016-03-23

Family

ID=49514995

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13784701.8A Withdrawn EP2864746A4 (fr) 2012-05-03 2013-04-24 Procédé d'indication de fonction d'un capteur de pression et dispositif d'indication associé

Country Status (3)

Country Link
EP (1) EP2864746A4 (fr)
SE (1) SE1250440A1 (fr)
WO (1) WO2013165300A2 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202015003616U1 (de) * 2015-05-19 2016-08-22 GM Global Technology Operations LLC (n. d. Ges. d. Staates Delaware) Steuersystem zur Diagnostizierung einer Funktionsstörung eines Drucksensors in einem Nachbehandlungssystem eines Verbrennungsmotors
FR3047772B1 (fr) * 2016-02-17 2020-01-17 Valeo Systemes De Controle Moteur Ensemble pour un circuit de recirculation de gaz d'echappement de vehicule automobile
DE102017220130B4 (de) * 2017-11-13 2023-10-26 Robert Bosch Gmbh Verfahren und Vorrichtung zur Diagnose eines Differenzdrucksensors eines Partikelfilters
US12025482B2 (en) * 2022-02-09 2024-07-02 Simmonds Precision Products, Inc. Contamination detection for optical pressure sensors

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002005772A (ja) * 2000-06-19 2002-01-09 Japan Nuclear Cycle Development Inst States Of Projects エアパージ測定システムの導圧管詰まり検知方法
JP2002162307A (ja) * 2001-08-30 2002-06-07 Ube Ind Ltd センサ異常の検出方法
US20110308299A1 (en) * 2009-03-04 2011-12-22 Yamatake Corporation Pressure guiding tube blockage diagnosing device and blockage diagnosing method

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6947831B2 (en) * 2003-04-11 2005-09-20 Ford Global Technologies, Llc Pressure sensor diagnosis via a computer
DE102005034270A1 (de) * 2005-07-22 2007-01-25 Robert Bosch Gmbh Verfahren zur Diagnose eines im Abgasbereich einer Brennkraftmaschine angeordneten Differenzdrucksensors und Vorrichtung zur Durchführung des Verfahrens
JP4872615B2 (ja) * 2006-11-14 2012-02-08 株式会社デンソー 内燃機関の診断装置
RU2490494C2 (ru) * 2008-12-12 2013-08-20 Вольво Ластвагнар Аб Способ диагностики неисправностей регулятора давления отработавших газов и соответствующее устройство диагностики

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002005772A (ja) * 2000-06-19 2002-01-09 Japan Nuclear Cycle Development Inst States Of Projects エアパージ測定システムの導圧管詰まり検知方法
JP2002162307A (ja) * 2001-08-30 2002-06-07 Ube Ind Ltd センサ異常の検出方法
US20110308299A1 (en) * 2009-03-04 2011-12-22 Yamatake Corporation Pressure guiding tube blockage diagnosing device and blockage diagnosing method

Also Published As

Publication number Publication date
WO2013165300A3 (fr) 2013-12-27
WO2013165300A2 (fr) 2013-11-07
EP2864746A2 (fr) 2015-04-29
SE1250440A1 (sv) 2013-11-04

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Legal Events

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DAX Request for extension of the european patent (deleted)
A4 Supplementary search report drawn up and despatched

Effective date: 20160222

RIC1 Information provided on ipc code assigned before grant

Ipc: G01L 27/00 20060101AFI20160216BHEP

Ipc: G01M 15/10 20060101ALI20160216BHEP

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