EP2530289B1 - Aktivierungsbestimmungssystem für einen Sauerstoffsensor - Google Patents

Aktivierungsbestimmungssystem für einen Sauerstoffsensor Download PDF

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Publication number
EP2530289B1
EP2530289B1 EP11188522.4A EP11188522A EP2530289B1 EP 2530289 B1 EP2530289 B1 EP 2530289B1 EP 11188522 A EP11188522 A EP 11188522A EP 2530289 B1 EP2530289 B1 EP 2530289B1
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EP
European Patent Office
Prior art keywords
oxygen sensor
output value
value
processing circuit
signal processing
Prior art date
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Application number
EP11188522.4A
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English (en)
French (fr)
Other versions
EP2530289A3 (de
EP2530289A2 (de
Inventor
Hirotaka Kihara
Yuuichirou Sawada
Michihisa Nakamura
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.)
Yamaha Motor Co Ltd
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Yamaha Motor Co Ltd
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Publication of EP2530289A2 publication Critical patent/EP2530289A2/de
Publication of EP2530289A3 publication Critical patent/EP2530289A3/de
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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
    • F02D41/1486—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
    • 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
    • F02D41/02—Circuit arrangements for generating control signals
    • F02D41/04—Introducing corrections for particular operating conditions
    • F02D41/12—Introducing corrections for particular operating conditions for deceleration
    • F02D41/123—Introducing corrections for particular operating conditions for deceleration the fuel injection being cut-off
    • 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
    • F02D41/1456—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 with sensor output signal being linear or quasi-linear with the concentration of oxygen

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
  • Measuring Oxygen Concentration In Cells (AREA)

Claims (10)

  1. Ein Aktivierungsbestimmungssystem für einen Sauerstoffsensor (40), aufweisend:
    einen Sauerstoffsensor (40), der konfiguriert ist, um ein Signal in Übereinstimmung mit einer Sauerstoffkonzentration in einem Abgas von einem Verbrennungsmotor (11) auszugeben, wenn der Sauerstoffsensor (40) in einem aktivierten Zustand ist,
    ein Signalverarbeitungsschaltkreis (68), der konfiguriert ist, um das eingehendes Signal von dem Sauerstoffsensor (40) zu empfangen, wobei der Signalverarbeitungsschaltkreis (68) konfiguriert ist, um ein Signal in Übereinstimmung mit dem von dem Sauerstoffsensor (40) eingegangenen Signal auszugeben, wenn der Sauerstoffsensor (40) in dem aktivierten Zustand ist, der Signalverarbeitungsschaltkreis (68) ist konfiguriert, um ein Signal auszugeben, das zu einem vorbestimmten mageren Ausgabewert (VL) konvergiert, wenn der Sauerstoffsensor (40) in dem aktivierten Zustand ist und eine Sauerstoffsensoratmosphäre in dem gleichen Zustand wie in der Standardatmosphäre beibehalten wird, der Signalverarbeitungsschaltkreis (68) ist konfiguriert, um ein Signal auszugeben, das zu einem vorbestimmten Konvergenzwert (VP) konvergiert, der unterschiedlich ist von dem mageren Ausgabewert (VL), wenn der Sauerstoffsensor (40) in einem deaktivierten Zustand verbleibt, und
    eine Deaktivierungsbestimmungssektion (66), die konfiguriert ist, um zu bestimmen dass der Sauerstoffsensor (40) in dem deaktivierten Zustand ist wenn der Ausgabewert (Vd(n)) von dem Signalverarbeitungsschaltkreis (68) in einen vorbestimmten Deaktivierungsbereich (Rna) fällt inklusive des Konvergenzwertes (VP), die Deaktivierungsbestimmungssektion (66) ist konfiguriert, um zu bestimmen, dass der Sauerstoffsensor (40) in dem aktivierten Zustand ist, wenn der Ausgabewert (Vd(n)) von dem Signalverarbeitungsschaltkreis (68) in einen vorbestimmten ersten Aktivierungsbereich (Ra1) fällt, der unterschiedlich ist von dem Deaktivierungsbereich (Rna),
    dadurch gekennzeichnet, dass
    das Aktivierungsbestimmungssystem weiter eine Benzinzufuhrabschaltbestimmungssektion (65) aufweist, die konfiguriert wird, um zu bestimmen, ob oder ob nicht eine Benzinzufuhrabschaltung in dem Verbrennungsmotor (11) derzeit ausgeführt ist, und
    die Deaktivierungsbestimmungssektion (66) ist konfiguriert, um zu bestimmen, dass der Sauerstoffsensor (40) in dem deaktivierten Zustand ist, wenn der Ausgabewert (Vd(n)) von dem Signalverarbeitungsschaltkreis (68) zu dem Konvergenzwert (VP) variiert und eine vorbestimmte Schwelle (Vth) überschreitet, die in dem ersten Aktivierungsbereich (Ra1) inkludiert ist während der Ausführung der Benzinzufuhrabschaltung.
  2. Das Aktivierungsbestimmungssystem für einen Sauerstoffsensor (40) gemäß Anspruch 1, wobei ein Grenzwert (V1) zwischen dem ersten Aktivierungsbereich (Ra1) und dem Deaktivierungsbereich (Rna) ein Zwischenwert (V1) ist zwischen der vorbestimmten Schwelle (Vth) und dem Konvergenzwert (VP).
  3. Das Aktivierungsbestimmungssystem für einen Sauerstoffsensor (40) gemäß einem der Ansprüche 1 und 2, wobei der Signalverarbeitungsschaltkreis (68) einen Hochzugschaltkreis (68) beinhaltet, und der Konvergenzwert (VP) ein Wert einer Hochzugspannung des Hochzugschaltkreises (68) ist.
  4. Das Aktivierungsbestimmungssystem für einen Sauerstoffsensor (40) gemäß einem der Ansprüche 1 und 2, wobei der Signalverarbeitungsschaltkreis (68) einen Niederzugschaltkreis (68) beinhaltet, und der Konvergenzwert (VP) ein Wert von einer Niederzugspannung des Niederzugschaltkreises (68) ist.
  5. Das Aktivierungsbestimmungssystem für einen Sauerstoffsensor (40) gemäß einem der Ansprüche 1 bis 4, wobei der Sauerstoffsensor (40) ein Binärsensor ist.
  6. Das Aktivierungsbestimmungssystem für einen Sauerstoffsensor (40) gemäß einem der Ansprüche 1 bis 4, wobei der Sauerstoffsensor (40) ein Linearsensor ist.
  7. Das Aktivierungsbestimmungssystem für einen Sauerstoffsensor (40) gemäß einem der Ansprüche 1 bis 6, wobei die Deaktivierungsbestimmungssektion (66) konfiguriert ist, um zu bestimmen, dass der Sauerstoffsensor (40) in dem deaktivierten Zustand ist wenn der Ausgabewert (Vd(n)) von dem Signalverarbeitungsschaltkreis (68) in den Deaktivierungsbereich (Rna) für eine vorbestimmte Zeitdauer oder länger fällt während der Nichtausführung der Benzinzufuhrabschaltung.
  8. Das Aktivierungsbestimmungssystem für einen Sauerstoffsensor (40) gemäß einem der Ansprüche 1 bis 7, wobei der Sauerstoffsensor (40) ein unbeheizter Sensor ist.
  9. Das Aktivierungsbestimmungssystem für einen Sauerstoffsensor (40) gemäß einem der Ansprüche 1 bis 8, wobei die Deaktivierungsbestimmungssektion (66) konfiguriert ist, um die Bestimmung des deaktivierten Zustands des Sauerstoffsensors (40) während der Ausführung der Benzinzufuhrabschaltung zu starten, wenn eine vorbestimmte Zeitdauer von einem Beginn der Ausführung der Benzinzufuhrabschaltung vergeht.
  10. Ein Sattelfahrzeug-Typ, aufweisend: das Aktivierungsbestimmungssystem für einen Sauerstoffsensor (40) gemäß einem der Ansprüche 1 bis 9.
EP11188522.4A 2011-05-31 2011-11-10 Aktivierungsbestimmungssystem für einen Sauerstoffsensor Active EP2530289B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2011122678A JP2012251794A (ja) 2011-05-31 2011-05-31 酸素センサの活性判定システム

Publications (3)

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EP2530289A2 EP2530289A2 (de) 2012-12-05
EP2530289A3 EP2530289A3 (de) 2014-10-08
EP2530289B1 true EP2530289B1 (de) 2016-01-27

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EP11188522.4A Active EP2530289B1 (de) 2011-05-31 2011-11-10 Aktivierungsbestimmungssystem für einen Sauerstoffsensor

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EP (1) EP2530289B1 (de)
JP (1) JP2012251794A (de)
ES (1) ES2561438T3 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102298807B1 (ko) * 2020-07-24 2021-09-08 주식회사 현대케피코 산소센서 보완회로 및 이를 이용한 노이즈 유무 판단 장치와 방법

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60212650A (ja) * 1984-04-04 1985-10-24 Toyota Motor Corp 電子制御式燃料噴射装置
US4970858A (en) * 1988-03-30 1990-11-20 Toyota Jidosha Kabushiki Kaisha Air-fuel ratio feedback system having improved activation determination for air-fuel ratio sensor
JP2745754B2 (ja) * 1990-01-23 1998-04-28 トヨタ自動車株式会社 酸素センサの活性判定装置
JP4477481B2 (ja) 2004-12-20 2010-06-09 本田技研工業株式会社 酸素濃度センサの取付構造
EP1724458A1 (de) * 2005-05-19 2006-11-22 Delphi Technologies, Inc. Verfahren und Vorrichtung zur Diagnose eines Messwertes

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JP2012251794A (ja) 2012-12-20
ES2561438T3 (es) 2016-02-26
EP2530289A3 (de) 2014-10-08
EP2530289A2 (de) 2012-12-05

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