KR970044849A - Engine control device and its method according to the load of engine at the start of car - Google Patents

Engine control device and its method according to the load of engine at the start of car Download PDF

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Publication number
KR970044849A
KR970044849A KR1019950055175A KR19950055175A KR970044849A KR 970044849 A KR970044849 A KR 970044849A KR 1019950055175 A KR1019950055175 A KR 1019950055175A KR 19950055175 A KR19950055175 A KR 19950055175A KR 970044849 A KR970044849 A KR 970044849A
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KR
South Korea
Prior art keywords
engine
state
speed
intake air
amount
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Application number
KR1019950055175A
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Korean (ko)
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KR100290340B1 (en
Inventor
김창래
Original Assignee
전성원
현대자동차 주식회사
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Priority to KR1019950055175A priority Critical patent/KR100290340B1/en
Publication of KR970044849A publication Critical patent/KR970044849A/en
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Publication of KR100290340B1 publication Critical patent/KR100290340B1/en

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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
    • F02D41/30—Controlling fuel injection
    • 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
    • F02D41/18—Circuit arrangements for generating control signals by measuring intake air flow
    • 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
    • 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
    • F02D2009/0225—Intake air or mixture temperature
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D2200/00—Input parameters for engine control
    • F02D2200/02—Input parameters for engine control the parameters being related to the engine
    • F02D2200/10—Parameters related to the engine output, e.g. engine torque or engine speed
    • F02D2200/101—Engine speed

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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 Ignition Timing (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)

Abstract

자동차 출발 초기에 엔진의 인가되는 부하의 영향을 엔진의 회전수가 감소할 경우 흡입되는 공기의 온도에 따른 보정장치를 이용하여 연료의 분사량과 점화시기를 보정하여 엔진의 쇼크 발생을 방지하고 엔진의 운전성을 향상시킬 수 있도록 하는 자동차 출발시 엔진의 부하 정도에 따른 엔진 제어 장치 및 그 방법을 제공하기 위하여, 엔진의 동작에 따라 회전속도가 변화하는 크랭크축의 회전 상태에 따라 해당하는 신호를 출력하는 엔진 회전수 감지 수단과; 엔진으로 흡입되는 공기량에 따라 출력되는 전기 신호의 상태가 변화하는 흡입공기량 감지 수단과; 흡입되는 공기의 온도에 따라 출력되는 전기 신호의 상태가 변화하는 흡기 온도 감지 수단과; 가속 페달의 동작상태에 따라 접속 상태가 변화하여 해당하는 상태의 신호를 출력하는 아이들 상태 감지 수단과; 상기 감지 수단과 연결되어 있고, 엔진의 회전수가 설정 회전수 보다 낮고 엔진 회전수 변화량이 설정 변화량 이상이고 자동차의 상태가 아이들 상태일 경우 흡입되는 공기의 온도에 따른 보정치만큼 연료의 분사량과 점화 시기를 보정하는 엔진 제어 수단을 포함하여 이루어져 있다.When the speed of the engine decreases due to the applied load of the engine at the beginning of the vehicle departure, the injection amount and the ignition timing of the fuel are corrected by using the compensation device according to the temperature of the intake air to prevent the engine from occurring and to operate the engine. In order to provide an engine control device and a method according to the load of the engine at the time of starting the vehicle to improve the performance, the engine outputs a corresponding signal according to the rotation state of the crankshaft whose rotational speed changes according to the operation of the engine Rotation speed detection means; Intake air amount detecting means for changing a state of an electrical signal output according to the amount of air sucked into the engine; Intake air temperature sensing means for changing a state of an electrical signal output in accordance with a temperature of inhaled air; Idle state detection means for outputting a signal of a corresponding state by changing a connection state according to an operation state of the accelerator pedal; When the engine speed is lower than the set speed, the engine speed change amount is more than the set change amount, and the vehicle is in the idle state, the injection amount and the ignition timing of the fuel are adjusted by the correction value according to the temperature of the intake air. Engine control means for calibrating.

Description

자동차 출발시 엔진의 부하 정도에 따른 엔진 제어장치 및 그 방법Engine control device and its method according to the load of engine at the start of car

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제1도는 이 발명의 실시예에 따른 자동차 출발시 엔진의 부하 정도에 따른 엔진 제어장치의 블럭도이고,1 is a block diagram of an engine control apparatus according to a load degree of an engine at the time of starting a vehicle according to an embodiment of the present invention,

제2도는 이 발명의 실시예에 따른 자동차 출발시 엔진의 부하 정도에 따른 엔진 제어방법의 동작 순서도이다.2 is a flowchart illustrating an operation method of an engine control method according to a load degree of an engine at the time of starting a vehicle according to an exemplary embodiment of the present invention.

Claims (3)

엔진의 동작에 따라 회전속도가 변화하는 크랭크축의 회전 상태에 따라 해당하는 신호를 출력하는 엔진 회전수 감지 수단과; 엔진으로 흡입되는 공기량에 따라 출력되는 전기 신호의 상태가 변화하는 흡입공기량 감지 수단과; 흡입되는 공기의 온도에 따라 출력되는 전기 신호의 상태가 변화하는 흡기 온도 감지 수단과; 가속 페달의 동작상태에 따라 접속 상태가 변화하여 해당하는 상태의 신호를 출력하는 아이들 상태 감지 수단과; 상기 감지 수단과 연결되어 있고, 엔진의 회전수가 설정 회전수 보다 낮고 엔진 회전수 변화량이 설정 변화량 이상이고 자동차의 상태가 아이들 상태일 경우 흡입되는 공기의 온도에 따른 보정치만큼 연료의 분사량과 점화 시기를 보정하는 엔진 제어 수단을 포함하여 이루어져 있는 것을 특징으로 하는 자동차 출발시 엔진의 부하 정도에 따른 엔진 제어장치.Engine rotation speed detection means for outputting a corresponding signal in accordance with the rotational state of the crankshaft whose rotational speed changes with the operation of the engine; Intake air amount detecting means for changing a state of an electrical signal output according to the amount of air sucked into the engine; Intake air temperature sensing means for changing a state of an electrical signal output in accordance with a temperature of inhaled air; Idle state detection means for outputting a signal of a corresponding state by changing a connection state according to an operation state of the accelerator pedal; When the engine speed is lower than the set speed, the engine speed change amount is more than the set change amount, and the vehicle is in the idle state, the injection amount and the ignition timing of the fuel are adjusted by the correction value according to the temperature of the intake air. Engine control apparatus according to the degree of load of the engine at the time of starting the vehicle, characterized in that it comprises an engine control means for correcting. 제1항에 있어서, 상기 아이들 상태 감지 수단은, 가속페달의 동작 상태에 따라 접속 상태가 변화하여 출력신호의 상태가 변화하는 아이들 스위치로 이루어져 있는 것을 특징으로 하는 자동차 출발시 엔진의 부하 정도에 따른 엔진 제어장치.According to claim 1, wherein the idle state detection means, according to the degree of load of the engine at the start of the vehicle, characterized in that the connection state is changed according to the operating state of the accelerator pedal, the output switch changes the state of the output signal Engine controls. 엔진 회전수 감지수단에서 출력되는 신호에 의해 판정된 엔진의 회전수가 설정 회전수보다 낮은지를 판단하는 단계와; 판단된 엔진의 회전수가 설정 회전수보다 낮을 경우 엔진 회전수 변화량이 설정 변화량 이상인지를 판단하는 단계와; 판단된 회전수의 변화량이 설정 변화량 이상일 경우, 아이들 상태 감지수단에서 출력되는 신호를 판독하여 판단된 자동차의 상태가 아이들 상태인지를 판단하는 단계와; 판단된 자동차의 상태가 아이들 상태일 경우 흡기 온도 감지 수단에서 출력되는 신호를 이용하여 흡입되는 공기의 온도를 판정하고, 판정된 공기에 따른 보정치를 판정하는 단계와; 판정된 보정치만큼 연료의 분사량과 점화시기를 보정하는 단계를 포함하여 이루어져 있는 것을 특징으로 하는 자동차 출발시 엔진의 부하 정도에 따른 엔진 제어방법.Determining whether the engine speed determined by the signal output from the engine engine speed detection means is lower than the preset engine speed; Determining whether the engine speed change amount is greater than or equal to the set change amount when the determined engine speed is lower than the set speed; Determining whether the determined state of the vehicle is in an idle state by reading a signal output from the idle state detecting means when the amount of change in the determined number of revolutions is equal to or greater than a set change amount; Determining the temperature of the intake air using a signal output from the intake air temperature sensing means when the determined state of the vehicle is in the idle state, and determining a correction value according to the determined air; Comprising the step of correcting the injection amount and the ignition timing of the fuel by the determined correction value.
KR1019950055175A 1995-12-23 1995-12-23 Apparatus and method for controlling engine according to engine load in vehicle starting KR100290340B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019950055175A KR100290340B1 (en) 1995-12-23 1995-12-23 Apparatus and method for controlling engine according to engine load in vehicle starting

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Application Number Priority Date Filing Date Title
KR1019950055175A KR100290340B1 (en) 1995-12-23 1995-12-23 Apparatus and method for controlling engine according to engine load in vehicle starting

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KR970044849A true KR970044849A (en) 1997-07-26
KR100290340B1 KR100290340B1 (en) 2001-06-01

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JPH0742876B2 (en) * 1984-12-17 1995-05-15 日本電装株式会社 Electronic control unit for internal combustion engine

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