KR920004706A - 압력센서의 페일검출방법 - Google Patents

압력센서의 페일검출방법 Download PDF

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Publication number
KR920004706A
KR920004706A KR1019910010422A KR910010422A KR920004706A KR 920004706 A KR920004706 A KR 920004706A KR 1019910010422 A KR1019910010422 A KR 1019910010422A KR 910010422 A KR910010422 A KR 910010422A KR 920004706 A KR920004706 A KR 920004706A
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KR
South Korea
Prior art keywords
pressure sensor
pressure
cylinder
allowable value
cylinder internal
Prior art date
Application number
KR1019910010422A
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English (en)
Other versions
KR940002066B1 (ko
Inventor
아쓰꼬 하시모도
도시오 이와다
와다루 후꾸이
도시오 오오자와
Original Assignee
시끼 모리야
미쯔비시덴끼 가부시기가이샤
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Priority claimed from JP2221157A external-priority patent/JPH04103859A/ja
Priority claimed from JP2221158A external-priority patent/JP2612090B2/ja
Application filed by 시끼 모리야, 미쯔비시덴끼 가부시기가이샤 filed Critical 시끼 모리야
Publication of KR920004706A publication Critical patent/KR920004706A/ko
Application granted granted Critical
Publication of KR940002066B1 publication Critical patent/KR940002066B1/ko

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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
    • F02D35/00—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for
    • F02D35/02—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for on interior conditions
    • F02D35/023—Controlling engines, dependent on conditions exterior or interior to engines, not otherwise provided for on interior conditions by determining the cylinder pressure
    • 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
    • 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
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02P—IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
    • F02P5/00—Advancing or retarding ignition; Control therefor
    • F02P5/04—Advancing or retarding ignition; Control therefor automatically, as a function of the working conditions of the engine or vehicle or of the atmospheric conditions
    • F02P5/145—Advancing or retarding ignition; Control therefor automatically, as a function of the working conditions of the engine or vehicle or of the atmospheric conditions using electrical means
    • F02P5/15—Digital data processing
    • F02P5/152—Digital data processing dependent on pinking
    • F02P5/1526—Digital data processing dependent on pinking with means for taking into account incorrect functioning of the pinking sensor or of the electrical means
    • 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
    • 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
    • G01M15/08—Testing internal-combustion engines by monitoring pressure in cylinders
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B1/00—Engines characterised by fuel-air mixture compression
    • F02B1/02—Engines characterised by fuel-air mixture compression with positive ignition
    • F02B1/04—Engines characterised by fuel-air mixture compression with positive ignition with fuel-air mixture admission into cylinder
    • 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)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biomedical Technology (AREA)
  • Signal Processing (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
  • Measuring Fluid Pressure (AREA)

Abstract

내용 없음.

Description

압력센서의 페일검출방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본원 발명의 제1의 발명의 일실시예를 나타낸 플로차트도.
제2도는 기통내압력의 검출치 및 허용범위를 나타낸 특성도.
제3도는 운전상태에 대한 페일판정기준설정치를 나타낸 설명도.

Claims (7)

  1. 압력센서에 의해 내연기관의 기통내압력을 검출하는 스텝과, 상기 기통내압력과 이 기통내압력에 대한 최대허용치를 비교하는 스텝과, 상기 통내압력과 이 기통내압력에 대한 최소허용치를 비교하는 스텝과, 상기 기통내압력이 상기 최대허용치이상 또는 상기 최소허용치이하인 경우에 상기 압력센서의 페일상태를 판정하는 스텝을 구비한 압력센서의 페일검출방법.
  2. 압력센서에 의해 소정의 제1 및 제2의 크랭크각에서의 제1 및 제2의 기통내압력을 검출하는 스텝과, 상기 제1의 기통내압력과 이 제1의 기통내압력에 대한 최대허용치를 비교하는 스텝과, 상기 제2의 기통내압력과 이 제2의 기통내압력에 대한 최소허용치를 비교하는 스텝과, 상기 제1의 기통내압력이 상기 최대허용치이상 또는 상기 제2의 기통내압력이 상기 최소허용치이하인 경우에 상기 압력센서의 페일상태를 판정하는 스텝을 구비한 압력센서의 페일검출방법.
  3. 압력센서에 의해 소정의 제1 및 제2의 크랭크각에서의 제1 및 제2의 기통내압력을 검출하는 스텝과, 상기 제1 및 제2의 기통내압력의 편차량을 산출하는 스텝과, 상기 편차량과 소정의 스레쉬홀드를 비교하는 스텝과, 상기 편차량이 소정의 스레쉬홀드이하인 경우에 상기 압력센서의 페일상태를 판정하는 스텝을 구비한 압력센서의 페일검출방법.
  4. 압력센서에 의해 폭발행정중의 기통내압력을 검출하는 스텝과, 상기 기통내압력의 피크위치에 대응한 피크크랭크각을 검출하는 스텝과, 상기 피크크랭크각에 의거하여 피크위치정보를 산출하는 스텝과, 상기 피크위치정보와 이 피크위치정보에 대한 최대허용치를 비교하는 스텝과, 상기 피크위치정보와 이 피크위치정보에 대한 최소허용치를 비교하는 스텝과, 상기 피크위치정보가 상기 최대허용치이상 또는 상기 최소허용치 이하인 경우에 상기 압력센서의 페일상태를 판정하는 스텝을 구비한 압력센서의 페일검출방법.
  5. 압력센서에 의해 검출되는 기통내압력에 의거하여 상기 압력센서의 페일을 판정하는 스텝과, 상기 압력센서가 페일을 표시하는 기통의 파라미터를 고정하는 스텝을 구비한 압력센서의 페일세이프방법.
  6. 압력센서에 의해 검출되는 기통내압력에 의거하여 상기 압력센서의 페일을 판정하는 스텝과, 상기 압력센서가 페일을 표시하는 기통의 제어파라미터를 고정하는 스텝과, 상기 압력센서의 중고장을 판정하는 스텝과, 상기 압력센서가 중고장을 표시하는 기통의 제어를 정지하는 스텝을 구비한 압력센서의 페일세이프방법.
  7. 압력센서에 의해 검출되는 기통내압력에 의거하여 상기 압력센서의 페일을 판정하는 스텝과, 상기 압력센서가 페일을 표시하는 기통의 제어파라미터를 상기 기통내압력을 억제하는 측으로 제한하는 스텝을 구비한 압력센서의 페일세이프방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019910010422A 1990-08-24 1991-06-24 압력센서의 페일검출방법 KR940002066B1 (ko)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP2221157A JPH04103859A (ja) 1990-08-24 1990-08-24 圧力センサのフェール検出方法
JP90-221,158 1990-08-24
JP2221158A JP2612090B2 (ja) 1990-08-24 1990-08-24 圧力センサのフェールセーフ方法
JP90-221158 1990-08-24
JP90-221157 1990-08-24
JP90-221,157 1990-08-24

Publications (2)

Publication Number Publication Date
KR920004706A true KR920004706A (ko) 1992-03-28
KR940002066B1 KR940002066B1 (ko) 1994-03-16

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Application Number Title Priority Date Filing Date
KR1019910010422A KR940002066B1 (ko) 1990-08-24 1991-06-24 압력센서의 페일검출방법

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Country Link
US (1) US5168854A (ko)
KR (1) KR940002066B1 (ko)
DE (1) DE4127950C3 (ko)

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Also Published As

Publication number Publication date
DE4127950C3 (de) 2003-02-27
US5168854A (en) 1992-12-08
KR940002066B1 (ko) 1994-03-16
DE4127950C2 (de) 1996-03-14
DE4127950A1 (de) 1992-03-05

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