KR890015009A - 통내압 검출장치 - Google Patents

통내압 검출장치 Download PDF

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Publication number
KR890015009A
KR890015009A KR1019890002742A KR890002742A KR890015009A KR 890015009 A KR890015009 A KR 890015009A KR 1019890002742 A KR1019890002742 A KR 1019890002742A KR 890002742 A KR890002742 A KR 890002742A KR 890015009 A KR890015009 A KR 890015009A
Authority
KR
South Korea
Prior art keywords
waveform
detecting
peak position
inflection point
pressure
Prior art date
Application number
KR1019890002742A
Other languages
English (en)
Other versions
KR920006456B1 (ko
Inventor
도시오 이와다
Original Assignee
시끼모리야
미쓰비시전기 주식회사
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
Priority claimed from JP5271888A external-priority patent/JPH01227034A/ja
Priority claimed from JP5379888A external-priority patent/JPH01227936A/ja
Application filed by 시끼모리야, 미쓰비시전기 주식회사 filed Critical 시끼모리야
Publication of KR890015009A publication Critical patent/KR890015009A/ko
Application granted granted Critical
Publication of KR920006456B1 publication Critical patent/KR920006456B1/ko

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
    • G01L9/08—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means by making use of piezoelectric devices, i.e. electric circuits therefor
    • 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
    • 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

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)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Fluid Pressure (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)

Abstract

내용 없음.

Description

통내압 검출장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 제1실시예에 의한 통내압검출장치의 구성도,
제2도는 각부 동작 파형도,
제3도는 본 발명의 제2실시예에 의한 통내압 검출장치의 구성도,
제4도는 제3도의 각부 동작파형도.

Claims (2)

  1. 소정기간의 기통내압파형을 기억하는 파형기억수단, 이 파형기억수단에 기억된 압력파형을 입력시키는 순서와 역순으로 판독되는 압력파형과 전기 입력파형과를 감산하는 감산수단, 이 감산수단의 출력파형의 피크위치를 검출하는 ㅍ;크위치검출수단, 이 피크위치 검출수단에 의한 피크위검출시기의 전기 입력압력파 형을 래치시키는 래치수단과를 갖추고, 전기 피크위치 검출수단에서의 검출신호로부터 통내연소압력의 피크위치를 검출함과 동시에 전기 래치수단에서 전기 피크위치에 있어서의 연소압력치를 검출할 수 있도록 한 것을 특징으로 통내압검출장치.
  2. 통내압력파형을 미분하는 미분수단, 이 미분수단의 출력신호파형의 변곡점을 검출하는 변곡점 검출수단, 이 변곡점 검출수단의 출력중에서 기관의 압축상사점 이후에 있어서 전기 미분수단의 출력신호가 하강시의 변곡점 발생시기를 검출하는 타이밍검출수단, 이 타이밍검출수단이 검출하는 상기 변곡점 발생시기에 있어서의 상기 통내압력파형의 압력치를 래치시키는 래치수단과의 갖춘 것을 특징으로 하는 통내압검출장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019890002742A 1988-03-08 1989-03-06 통내압 검출장치 KR920006456B1 (ko)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP88-52718 1988-03-08
JP?63-52718 1988-03-08
JP5271888A JPH01227034A (ja) 1988-03-08 1988-03-08 筒内圧検出装置
JP5379888A JPH01227936A (ja) 1988-03-09 1988-03-09 筒内圧検出装置
JP?63-53798 1988-03-09
JP88-53798 1988-03-09

Publications (2)

Publication Number Publication Date
KR890015009A true KR890015009A (ko) 1989-10-28
KR920006456B1 KR920006456B1 (ko) 1992-08-06

Family

ID=26393368

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019890002742A KR920006456B1 (ko) 1988-03-08 1989-03-06 통내압 검출장치

Country Status (3)

Country Link
US (1) US4936137A (ko)
KR (1) KR920006456B1 (ko)
DE (1) DE3907212A1 (ko)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3736430A1 (de) * 1987-10-28 1989-05-11 Bosch Gmbh Robert Verfahren zur regelung des zuendwinkels bei einer brennkraftmaschine
JP2556176B2 (ja) * 1990-06-20 1996-11-20 三菱電機株式会社 内燃機関の故障診断装置
JPH04121438A (ja) * 1990-09-12 1992-04-22 Mitsubishi Electric Corp 内燃機関の電子制御燃料噴射装置
US5758307A (en) * 1997-01-27 1998-05-26 Eaton Corporation Normalized misfire detection method
DE19749814B4 (de) * 1997-11-11 2009-01-22 Robert Bosch Gmbh Verfahren zur Bestimmung eines Brennraumdruckverlaufes
DE10006341C2 (de) * 2000-02-12 2003-04-03 Mtu Friedrichshafen Gmbh Regelsystem für eine Brennkraftmaschine
SE521998C2 (sv) * 2001-06-13 2004-01-07 Abb Ab Metod för att bestämma övre dödpunkten i en förbränningsmotor
KR100684571B1 (ko) * 2004-03-15 2007-02-22 공병성 전원 제어회로
FR2877696B1 (fr) * 2004-11-09 2009-09-18 Renault Sas Dispositif et procede d'estimation en temps reel de l'angle de debut de combustion d'un moteur a combustion interne
JP2009167831A (ja) * 2008-01-11 2009-07-30 Denso Corp 内燃機関の回転位置検出装置
CN109269787B (zh) * 2018-10-29 2020-12-08 上海宝钢包装钢带有限公司 变厚度汽车板的在线检测方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0115806A3 (en) * 1983-01-26 1986-03-05 Nissan Motor Co., Ltd. Control arrangement for internal combustion engine
US4709678A (en) * 1985-05-31 1987-12-01 Honda Giken Kogyo Kabushiki Kaisha Uncertainty detector in feed-back control system based on combustion peak position data for internal combustion engine and ignition timing control having particular detector
JPS62130331A (ja) * 1985-12-02 1987-06-12 Honda Motor Co Ltd 気筒内圧力検出方法
JPS639679A (ja) * 1986-06-28 1988-01-16 Honda Motor Co Ltd 内燃機関の点火時期制御方法

Also Published As

Publication number Publication date
DE3907212C2 (ko) 1992-09-10
KR920006456B1 (ko) 1992-08-06
US4936137A (en) 1990-06-26
DE3907212A1 (de) 1989-09-21

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