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KR960703195A - 맥동 변수 검출 장치(Device for the detection of a pulsating variable) - Google Patents

맥동 변수 검출 장치(Device for the detection of a pulsating variable) Download PDF

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Publication number
KR960703195A
KR960703195A KR1019950705571A KR19950705571A KR960703195A KR 960703195 A KR960703195 A KR 960703195A KR 1019950705571 A KR1019950705571 A KR 1019950705571A KR 19950705571 A KR19950705571 A KR 19950705571A KR 960703195 A KR960703195 A KR 960703195A
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KR
South Korea
Prior art keywords
center frequency
pulsation
filter
detection device
signal
Prior art date
Application number
KR1019950705571A
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English (en)
Other versions
KR100345585B1 (ko
Inventor
콘쩰만 우에
Original Assignee
랄프 홀거 베렌스·게오르그 뮐러
로베르트 보쉬 게엠베하
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.)
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Application filed by 랄프 홀거 베렌스·게오르그 뮐러, 로베르트 보쉬 게엠베하 filed Critical 랄프 홀거 베렌스·게오르그 뮐러
Publication of KR960703195A publication Critical patent/KR960703195A/ko
Application granted granted Critical
Publication of KR100345585B1 publication Critical patent/KR100345585B1/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
    • 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
    • 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
    • F02D41/045—Detection of accelerating or decelerating state
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D3/00—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups
    • G01D3/02—Indicating or recording apparatus with provision for the special purposes referred to in the subgroups with provision for altering or correcting the law of variation
    • 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
    • F02D2041/286—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Technology Law (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)
  • Measuring Volume Flow (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)

Abstract

본 발명에 의한 장치는 맥동 변수, 특히 내연기관에 공급되는 공기 유동량의 검출을 위해 특정화된다. 본원의 경우 맥동 변수를 검출하는 센서의 출력 신호는, 상기 변수에 있어서의 맥동 및 동적 변화는 감소하지 않으나 저해 요소는 적정 방식으로 제거될 수 있도록 필터 장치에서 영향을 받는다. 필터는 한편으로는 회전 속도의 기능으로서 변화될 수 있는 중심 주파수와 함께 밴드 관통 특징을 가지며, 다른 한편으로는 저역 통과 특징을 얻기 위해 사용된다. 중심 주파수의 시프트는 제어기에 의해 수행된다.

Description

맥동 변수 검출 장치(Device for the detection of a pulsating variable)
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 예증적 실시예에 대한 블록 다이어그램.
제2도는 공기 유속계의 특성을 도시한 도면.

Claims (5)

  1. 출력 신호를 필터 장치로 공급하는 센서를 가지며, 내연 기관에 있어서의 맥동 변수, 특히 공급된 공기 유동량을 검출하기 위한 장치로서, 상기 필터 장치는 밴드 관통 특성을 가지며, 밴드 관성 특성은 회전 속도의 함수로서 변화될 수 있는 중심 주파수를 포함하는 맥동 변수 검출 장치에 있어서, 상기 중심 주파수는 맥동이 미소량만 감소하도록 설정될 수 있으며, 상기 필터 장치는 저역 통과 특성을 이행하기 위한 수단을 부가로 갖는 것을 특징으로 하는 맥동 변수 검출 장치.
  2. 제1항에 있어서, 공급된 필터링 신호에는 산출 장치가 제공되는 것과 상기 산출 장치에는 부가의 신호, 특히 내연 기관의 회전 속도가 제공되며, 또한 산출 장치는 회전 속도의 함수로서 밴드 관통 필터의 중심 주파수를 변화시키는 것을 특징으로 하는 맥동 변수 검출 장치.
  3. 제2항에 있어서, 상기 장치는 내연기관의 제어기인 것을 특징으로 하는 맥동 변수 검출 장치.
  4. 제1항 내지 제3항 중 어느 한 항에 있어서, 상기 밴드 관통 필터의 중심 주파수는 맥동이 감소하지 않거나 또는 오직 소량만 감소하도록 변화하며, 상기 신호 요소들은 중심 주파수 위의 영역과 중심 주파수 및 예정할수 있는 저주파수 사이의 영역에서 가능한한 완전히 감소되는 것을 특징으로 하는 맥동 변수 검출 장치.
  5. 제1항 내지 제4항 중 어느 한 항에 있어서, 필터기능을 가지며 폴리에 분석을 위한 하나 이상의 단계 및 폴리에 합성을 위한 하나의 단계를 포함하는 수단이 상기 신호를 발생시키기 위하여 제공되며, 상기 단계들은 서로 결합되는 것을 특징으로 하는 맥동 변수 검출 장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019950705571A 1994-04-15 1995-03-30 맥동변수검출장치 KR100345585B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DEP4413078.3 1994-04-15
DE4413078A DE4413078A1 (de) 1994-04-15 1994-04-15 Einrichtung zur Erfassung einer pulsierenden Größe
PCT/DE1995/000436 WO1995028560A1 (de) 1994-04-15 1995-03-30 Einrichtung zur erfassung einer pulsierenden grösse

Publications (2)

Publication Number Publication Date
KR960703195A true KR960703195A (ko) 1996-06-19
KR100345585B1 KR100345585B1 (ko) 2002-12-16

Family

ID=6515520

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019950705571A KR100345585B1 (ko) 1994-04-15 1995-03-30 맥동변수검출장치

Country Status (6)

Country Link
US (1) US5646344A (ko)
EP (1) EP0708883B1 (ko)
JP (1) JPH08512116A (ko)
KR (1) KR100345585B1 (ko)
DE (2) DE4413078A1 (ko)
WO (1) WO1995028560A1 (ko)

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Also Published As

Publication number Publication date
WO1995028560A1 (de) 1995-10-26
KR100345585B1 (ko) 2002-12-16
DE4413078A1 (de) 1995-10-19
EP0708883B1 (de) 1999-01-20
JPH08512116A (ja) 1996-12-17
DE59504894D1 (de) 1999-03-04
EP0708883A1 (de) 1996-05-01
US5646344A (en) 1997-07-08

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