KR970044837A - 자동차의 희박연소제어방법 - Google Patents

자동차의 희박연소제어방법 Download PDF

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Publication number
KR970044837A
KR970044837A KR1019950070829A KR19950070829A KR970044837A KR 970044837 A KR970044837 A KR 970044837A KR 1019950070829 A KR1019950070829 A KR 1019950070829A KR 19950070829 A KR19950070829 A KR 19950070829A KR 970044837 A KR970044837 A KR 970044837A
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KR
South Korea
Prior art keywords
fuel
closed circuit
fuel injection
automobile
control method
Prior art date
Application number
KR1019950070829A
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English (en)
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KR100189186B1 (ko
Inventor
장민호
Original Assignee
한승준
기아자동차 주식회사
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Application filed by 한승준, 기아자동차 주식회사 filed Critical 한승준
Priority to KR1019950070829A priority Critical patent/KR100189186B1/ko
Publication of KR970044837A publication Critical patent/KR970044837A/ko
Application granted granted Critical
Publication of KR100189186B1 publication Critical patent/KR100189186B1/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
    • F02D41/14—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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D9/00—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits
    • F02D9/02—Controlling engines by throttling air or fuel-and-air induction conduits or exhaust conduits concerning induction conduits
    • F02D2009/0201—Arrangements; Control features; Details thereof
    • F02D2009/0223—Cooling water temperature

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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)
  • Electrical Control Of Ignition Timing (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)

Abstract

기존차량 제어계에 사용하고 있는 3차원특성 점화시기 및 연료분사 맵(map)에 희박제어를 위한 요소(factor)을 가미하고, 엔진 냉각수온이 완전히 윔업된 후에는 간헐적 연료분사로 기존 산소센서에 의한 연료 폐회로를 와이드밴드공연비 센서에 의한 폐회로로 변경하여 제어하는 방법을 제공하여 운전성에 큰 악화없이 연료소비를 대폭 개선할 수 있게 한다.

Description

자동차의 희박연소제어방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명에 따른 희박연소영역과 이론 혼합비 영역을 엔진부하 즉 스로틀 밸브의 개도와 회전속도(rpm)와의 관계에서 구분한 도표,
제2도는 본 발명에 따른 정상연소와 희박연소사이의 천이지역에서의 분사량과 점화시기의 변화에 대하여 도시한 도료로서, 제2도(가)는 정상연소에서 희박연소로의 천이지역에서의 연료량분사의 변화를 제2도(나)는 점화시기의 변화를 도시하고 있다. 제2도(다)는 희박연소에서 정상연소로의 천이 지역에서의 연료량분사의 변화를 제2도(라)는 점화시기의 변화를 도시하고 있다.

Claims (1)

  1. 기존차량 제어계에 사용하고 있는 3차원특성 점화시기 및 연료분사 맵(map)에 희박제어를 위한 요소(factor)을 가미하고, 엔진 냉각수온이 완전히 윔업된 후에는 간헐적 연료분사로 기존 산소센서에 의한 연료 폐회로를 와이드밴드공연비 센서에 의한 폐회로로 변경하여 제어하는 방법.
KR1019950070829A 1995-12-30 1995-12-30 자동차의 희박연소제어방법 KR100189186B1 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019950070829A KR100189186B1 (ko) 1995-12-30 1995-12-30 자동차의 희박연소제어방법

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019950070829A KR100189186B1 (ko) 1995-12-30 1995-12-30 자동차의 희박연소제어방법

Publications (2)

Publication Number Publication Date
KR970044837A true KR970044837A (ko) 1997-07-26
KR100189186B1 KR100189186B1 (ko) 1999-06-01

Family

ID=19448747

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019950070829A KR100189186B1 (ko) 1995-12-30 1995-12-30 자동차의 희박연소제어방법

Country Status (1)

Country Link
KR (1) KR100189186B1 (ko)

Also Published As

Publication number Publication date
KR100189186B1 (ko) 1999-06-01

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