KR970036275A - Fail-safe control device and method of automatic transmission vehicle - Google Patents

Fail-safe control device and method of automatic transmission vehicle Download PDF

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Publication number
KR970036275A
KR970036275A KR1019950058592A KR19950058592A KR970036275A KR 970036275 A KR970036275 A KR 970036275A KR 1019950058592 A KR1019950058592 A KR 1019950058592A KR 19950058592 A KR19950058592 A KR 19950058592A KR 970036275 A KR970036275 A KR 970036275A
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KR
South Korea
Prior art keywords
vehicle
shift
detects
automatic transmission
speed
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KR1019950058592A
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Korean (ko)
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KR100243818B1 (en
Inventor
이정규
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전성원
현대자동차 주식회사
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Priority to KR1019950058592A priority Critical patent/KR100243818B1/en
Publication of KR970036275A publication Critical patent/KR970036275A/en
Application granted granted Critical
Publication of KR100243818B1 publication Critical patent/KR100243818B1/en

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/12—Detecting malfunction or potential malfunction, e.g. fail safe; Circumventing or fixing failures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
    • F16H59/14—Inputs being a function of torque or torque demand
    • F16H59/24—Inputs being a function of torque or torque demand dependent on the throttle opening
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
    • F16H59/36—Inputs being a function of speed
    • F16H59/44—Inputs being a function of speed dependent on machine speed of the machine, e.g. the vehicle
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
    • F16H59/50—Inputs being a function of the status of the machine, e.g. position of doors or safety belts
    • F16H59/54—Inputs being a function of the status of the machine, e.g. position of doors or safety belts dependent on signals from the brakes, e.g. parking brakes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
    • F16H59/68—Inputs being a function of gearing status
    • F16H2059/6807—Status of gear-change operation, e.g. clutch fully engaged
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/12—Detecting malfunction or potential malfunction, e.g. fail safe; Circumventing or fixing failures
    • F16H2061/1208—Detecting malfunction or potential malfunction, e.g. fail safe; Circumventing or fixing failures with diagnostic check cycles; Monitoring of failures
    • F16H2061/1216—Display or indication of detected failures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/12—Detecting malfunction or potential malfunction, e.g. fail safe; Circumventing or fixing failures
    • F16H2061/1232—Bringing the control into a predefined state, e.g. giving priority to particular actuators or gear ratios

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Transmission Device (AREA)

Abstract

드로틀 밸브의 개도각을 감지한 뒤에 이를 전기적인 신호로 변환하여 출력하는 드로틀 포지션 센서(10)와, 브레이크 페달이 밟히는 경우에 온되어 브레이크 스위치(20)와, 차속을 감지한 뒤에 이를 전기적인 신호로 변환하여 출력하는 차속센서(30)와, 변속단의 위치를 감지한 뒤에 이를 전기적인 신호로 변환하여 출력하는 변속레버(40)와, 상기한 드로틀 포지션 센서와 브레이크 스위치와 차속센서와 변속레버로부터 입력되는 신호를 읽어들여 차량이 정상적으로 주행되지 않는 경우에 이를 감지하여 고장표시를 함과 동시에, 1단증속변속을 하기 위한 제어신호를 출력하는 마이크로 컨트롤러(50)와, 상기한 마이크로 컨트롤러로부터 입력되는 제어신호에 따라 변속을 하는 변속 제어부(60)와, 상기한 마이크로 컨트롤러로부터 입력되는 제어신호에 따라 고장을 표시하는 고장 표시부(70)를 포함하여 이루어지며, 차량의 속도가 정상적으로 상승되지 않는 페일이 발생되는 경우에 이를 감지하여 경고 표시함과 동시에 차량의 속력을 1속 증가시킴으로써 차량이 주행가능하도록 하는 효과를 가진 자동 변속차량의 페일 세이프 제어장치 및 그 방법을 제공한다.The throttle position sensor 10 detects the opening angle of the throttle valve and converts it into an electrical signal, and outputs the throttle position sensor 10 and the brake switch 20 when the brake pedal is stepped on, and then detects the vehicle speed. And a shift lever 40 which detects the position of the shift stage and converts it into an electrical signal and then outputs the converted throttle position sensor, the brake switch, the vehicle speed sensor, and the shift lever. A microcontroller 50 which reads a signal input from the controller and detects it when the vehicle does not drive normally and displays a fault, and outputs a control signal for performing single speed shifting. The shift control unit 60 shifts according to the control signal to be changed, and according to the control signal input from the microcontroller. The fault display unit 70 is configured to display a chapter, and when a fail occurs in which the speed of the vehicle does not normally increase, the vehicle detects and displays a warning and increases the speed of the vehicle by one speed so that the vehicle can run. Provided are a fail safe control apparatus and an method of an automatic transmission vehicle having an effect.

Description

자동 변속차량의 페일 세이프 제어장치 및 그 방법Fail-safe control device and method of automatic transmission vehicle

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

제1도는 이 발명의 실시예에 따른 자동 변속차량의 페일 세이프 제어장치의 구성 회로도이다.1 is a configuration circuit diagram of a fail safe control apparatus for an automatic transmission vehicle according to an embodiment of the present invention.

제2도는 이 발명의 실시예에 따른 자동 변속차량의 페일 세이프 제어방법의 동작 순서도이다.2 is an operation flowchart of a fail safe control method for an automatic transmission vehicle according to an exemplary embodiment of the present invention.

〈도면의 주요부분에 대한 부호의 설명〉<Explanation of symbols for main parts of drawing>

10 : 드로틀 포지션 센서 20 : 브레이크 스위치10: throttle position sensor 20: brake switch

30 : 차속센서 40 : 변속레버30: vehicle speed sensor 40: shift lever

50 : 마이크로 컨트롤러 60 : 변속 제어부50: microcontroller 60: shift control

70 : 고장 표시부 SW : 동작 스위치70: fault display unit SW: operation switch

Claims (5)

드로틀 밸브의 개도각을 감지한 뒤에 이를 전기적인 신호로 변환하여 출력하는 드로틀 포지션 센서와, 브레이크 페달이 밟히는 경우에 온되어 브레이크 스위치와, 차속을 감지한 뒤에 이를 전기적인 신호로 변환하여 출력하는 차속센서와, 변속단의 위치를 감지한 뒤에 이를 전기적인 신호로 변환하여 출력하는 변속레버와, 상기한 드로틀 포지션 센서와 브레이크 스위치와 차속센서와 변속레버로부터 입력되는 신호를 읽어들여 차량이 정상적으로 주행되지 않는 경우에 이를 감지하여 고장표시를 함과, 동시에 1단증속변속을 하기 위한 제어신호를 출력하는 마이크로 컨트롤러와, 상기한 마이크로 컨트롤러로부터 입력되는 제어신호에 따라 변속을 하는 변속 제어부와, 상기한 마이크로 컨트롤러로부터 입력되는 제어신호에 따라 고장을 표시하는 고장 표시부를 포함하여 이루어지는 것을 특징으로 하는 자동 변속차량의 페일 세이프 제어장치.A throttle position sensor that detects the opening angle of the throttle valve and converts it into an electrical signal and outputs it, and when the brake pedal is stepped on, a brake switch and a vehicle speed that detects the vehicle speed and converts it into an electrical signal and outputs it The vehicle is not normally driven by reading the sensor, the shift lever that detects the position of the shift stage, and converts it into an electrical signal, and outputs the signal from the throttle position sensor, the brake switch, the vehicle speed sensor, and the shift lever. If not, a microcontroller for detecting a fault and displaying a fault and simultaneously outputting a control signal for single speed shift, a shift controller for shifting according to the control signal input from the microcontroller, and the microcontroller. A fault indicator is displayed according to the control signal input from the controller. Fail-safe control device of the automatic transmission vehicle comprising the display unit. 제1항에 있어서, 사용자가 필요에 따라 페일 세이프 장치를 선택적으로 동작시키기 위한 동작 스위치를 더 포함하여 이루어지는 것을 특징으로 하는 자동 변속차량의 페일 세이프 제어장치.The fail safe control device for an automatic transmission vehicle according to claim 1, further comprising an operation switch for allowing the user to selectively operate the fail safe device as needed. 제1항에 있어서, 상기한 고장 표시부는, 운전자에게 경고음을 청각적으로 발생시키기 위한 스피커를 포함하여 이루어지는 것을 특징으로 하는 자동 변속차량의 페일 세이프 제어장치.The fail safe control apparatus for an automatic transmission vehicle according to claim 1, wherein the failure display unit comprises a speaker for acoustically generating a warning sound to the driver. 제1항에 있어서, 상기한 고장 표시부는, 운전자에게 빨간색의 경고신호를 시각적으로 발생시키기 위한 발광 다이오드를 포함하여 이루어지는 것을 특징으로 하는 자동 변속차량의 페일 세이프 제어장치.The fail safe control apparatus for an automatic transmission vehicle according to claim 1, wherein the failure display unit comprises a light emitting diode for visually generating a red warning signal to a driver. 전원이 인가되면 동작이 시작되어, 모든 메모리 변수를 초기화시키는 단계와, 동작 스위치로부터 입력되는 신호를 읽어들여 동작 스위치가 온되었는지를 판단하는 단계와, 동작 스위치가 온된 경우에 변속레버로부터 입력되는 신호를 읽어들여 변속단이 'D','2','L' 단에 위치하고 있는지를 판단하는 단계와, 변속단이 'D','2','L' 단에 위치하고 있는 경우에 드로틀 밸브의 개도각이 일정치 이상인지를 판단하는 단계와, 드로틀 밸브의 개도각이 일정치 이상인 경우에 브레이크 스위치가 온되어 있는지를 판단하는 단계와, 브레이크 스위치가 온되어 있는 경우에 차속센서로부터 입력되는 신호를 읽어들여 차속이 일정치 이상인지를 판단하는 단계와, 차속이 일정치 이상인 경우에 고장표시를 하고, 1단증속변속을 하는 단계와, 변속단이 'D','2','L' 단에 위치하고 있지 않거나, 드로틀 밸브의 개도각이 일정치 이하이거나, 차속이 일정치 이상인 경우에 정상적으로 변속을 하는 단계를 포함하여 이루어지는 것을 특징으로 하는 자동 변속차량의 페일 세이프 제어방법.The operation is started when the power is applied, initializing all the memory variables, reading the signal input from the operation switch to determine whether the operation switch is on, and the signal input from the shift lever when the operation switch is on. To determine whether the gear stage is located at 'D', '2', 'L' stage, and if the gear stage is located at 'D', '2', 'L' stage. Determining whether the opening angle is above a certain value; determining whether the brake switch is on when the opening angle of the throttle valve is above a certain value; and a signal input from the vehicle speed sensor when the brake switch is on. Determining whether the vehicle speed is above a certain value by reading the information, and if the vehicle speed is above a certain value, indicating a fault, and performing a single-speed gear shift, and the shift stage is 'D', '2', 'L' Only at High or not, or less than the opening degree of the throttle valve angle is a constant value, wherein the fail-safe control of the automatic transmission vehicle comprising the steps of: a shift properly when the vehicle speed is less than a predetermined value. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019950058592A 1995-12-27 1995-12-27 Fail safe control device and method of automatic shift vehicle KR100243818B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019950058592A KR100243818B1 (en) 1995-12-27 1995-12-27 Fail safe control device and method of automatic shift vehicle

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Application Number Priority Date Filing Date Title
KR1019950058592A KR100243818B1 (en) 1995-12-27 1995-12-27 Fail safe control device and method of automatic shift vehicle

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KR970036275A true KR970036275A (en) 1997-07-22
KR100243818B1 KR100243818B1 (en) 2000-03-02

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100448830B1 (en) * 2002-08-13 2004-09-16 현대자동차주식회사 Apparatus for controlling fail safe of vehicle and controlling method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100448830B1 (en) * 2002-08-13 2004-09-16 현대자동차주식회사 Apparatus for controlling fail safe of vehicle and controlling method thereof

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Publication number Publication date
KR100243818B1 (en) 2000-03-02

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