KR970044775A - Fail-safe controller and its control method in case of failure of map sensor - Google Patents

Fail-safe controller and its control method in case of failure of map sensor Download PDF

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Publication number
KR970044775A
KR970044775A KR1019950068365A KR19950068365A KR970044775A KR 970044775 A KR970044775 A KR 970044775A KR 1019950068365 A KR1019950068365 A KR 1019950068365A KR 19950068365 A KR19950068365 A KR 19950068365A KR 970044775 A KR970044775 A KR 970044775A
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KR
South Korea
Prior art keywords
map
sensor
failure
engine
fail
Prior art date
Application number
KR1019950068365A
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Korean (ko)
Inventor
김남종
Original Assignee
전성원
현대자동차 주식회사
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Publication date
Application filed by 전성원, 현대자동차 주식회사 filed Critical 전성원
Priority to KR1019950068365A priority Critical patent/KR970044775A/en
Publication of KR970044775A publication Critical patent/KR970044775A/en

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  • Combined Controls Of Internal Combustion Engines (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)

Abstract

이 발명은 맵(MAP;Manifold Absolute Pressure)센서(Sensor)고장시 페일(Fail) 세이프(Safe)제어장치 및 그 제어방법에 관한 것으로서, 유입되는 공기의 양을 감지하는 맵 센서(11)와; 냉각수의 온도를 감지하는 냉각수 온도 센서(WTS;Water Temperature Sensor,12)와; 스로틀(Throttle)밸브의 열린 정도를 감지하는 스로틀 개도 센서(TPS;Throttle Position Sensor, 13)와; 상기한 각 센서(11,12,13)의 출력을 입력받아, 분사될 연료량을 제어하는 엔진 제어부(14)와, 상기한 엔진제어부(14)의 출력에 따라 연료를 분사하는 인젝터(injector,15)를 포함하여 이루어져서, 맵 센서의 고장 원인에 따라 페일 세이프용 맵 값을 적용하여 엔진의 시동성과 운전성, 그리고 연비를 좋게하는 효과를 가진 맵 센서 고장시 페일 세이프 제어장치 및 그 제어방법에 관한 것이다.The present invention relates to a fail safe controller and a control method thereof in case of failure of a map (MAP; Manifold Absolute Pressure) sensor, and a map sensor 11 for sensing an amount of inflowing air; A water temperature sensor (WTS; 12) for detecting a temperature of the coolant; A throttle opening sensor (TPS) 13 for detecting an opening degree of a throttle valve; An engine control unit 14 which receives the output of each of the sensors 11, 12, 13, and controls the amount of fuel to be injected, and an injector 15 that injects fuel according to the output of the engine control unit 14. Fail-safe control device and its control method in case of failure of the map sensor having the effect of improving engine start-up, operation and fuel efficiency by applying the map value for fail-safe according to the cause of the failure of the map sensor. will be.

Description

맵 센서 고장시 페일 세이프 제어장치 및 그 제어방법Fail-safe controller and its control method in case of failure of map sensor

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

제1도는 이 발명의 실시예에 따른 맵 센서 고장시 페일 세이프 제어장치를 나타낸 블록도이다.1 is a block diagram illustrating a fail safe control apparatus when a map sensor fails according to an exemplary embodiment of the present invention.

제2도는 이 발명의 실시예에 따른 맵 센서 고장시 페일 세이프 제어방법을 나타낸 흐름도이다.2 is a flowchart illustrating a fail safe control method in case of failure of a map sensor according to an exemplary embodiment of the present invention.

Claims (2)

유입되는 공기의 양을 감지하는 흡입 공기량 감지부와; 냉각수의 온도를 감지하는 냉각수 온도 감지부와; 스로틀 밸브의 열린 정도를 감지하는 스로틀 개도 감지부와; 상기한 각 감지부의 출력을 입력받아, 분사될 연료량을 제어하는 엔진 제어부와; 상기한 엔진 제어부의 출력에 따라 연료를 분사하는 연료 분사 장치를 포함하여 이루어지는 것을 특징으로 하는 맵 센서 고장시 페일 세이프제어장치.An intake air amount detecting unit configured to detect an amount of air introduced; A coolant temperature detector configured to detect a temperature of the coolant; A throttle opening degree detecting unit detecting an opening degree of the throttle valve; An engine control unit which receives the output of each sensing unit and controls the amount of fuel to be injected; And a fuel injector for injecting fuel in accordance with the output of the engine control unit. 맵 센서가 고장인지를 판단하는 제1단계와; 맵 센서가 고장이면, 맵 센서에 맵 페일 세이프값을 적용하는 제2단계와; 엔진이 스톨되었는지를 판단하는 제3단계와; 엔진이 스톨되었으면, 고장원인에 따라 초기 맵값을 각각 적용하는 제4단계와; 엔진이 스톨되지 않았으면, 엔진 시동이후의 통상 맵값을 적용하는 제5단계를 포함하여 이루어지는 것을 특징으로 하는 맵 센서 고장시 페일 세이프 제어방법.Determining whether the map sensor is out of order; If the map sensor fails, applying a map fail safe value to the map sensor; A third step of determining whether the engine is stalled; A fourth step of applying initial map values according to a cause of failure if the engine is stalled; And a fifth step of applying a normal map value after the engine is started, if the engine is not stalled.
KR1019950068365A 1995-12-30 1995-12-30 Fail-safe controller and its control method in case of failure of map sensor KR970044775A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019950068365A KR970044775A (en) 1995-12-30 1995-12-30 Fail-safe controller and its control method in case of failure of map sensor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019950068365A KR970044775A (en) 1995-12-30 1995-12-30 Fail-safe controller and its control method in case of failure of map sensor

Publications (1)

Publication Number Publication Date
KR970044775A true KR970044775A (en) 1997-07-26

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KR1019950068365A KR970044775A (en) 1995-12-30 1995-12-30 Fail-safe controller and its control method in case of failure of map sensor

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100435694B1 (en) * 2001-12-18 2004-06-12 현대자동차주식회사 A method for measuring mass of inducted air and a system thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100435694B1 (en) * 2001-12-18 2004-06-12 현대자동차주식회사 A method for measuring mass of inducted air and a system thereof

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