KR970036116A - Vehicle failsafe control device and method - Google Patents

Vehicle failsafe control device and method Download PDF

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Publication number
KR970036116A
KR970036116A KR1019950048374A KR19950048374A KR970036116A KR 970036116 A KR970036116 A KR 970036116A KR 1019950048374 A KR1019950048374 A KR 1019950048374A KR 19950048374 A KR19950048374 A KR 19950048374A KR 970036116 A KR970036116 A KR 970036116A
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KR
South Korea
Prior art keywords
vehicle
sensor
vehicle speed
signal
control unit
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KR1019950048374A
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Korean (ko)
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KR100212753B1 (en
Inventor
김경영
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전성원
현대자동차주식회사
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Priority to KR1019950048374A priority Critical patent/KR100212753B1/en
Publication of KR970036116A publication Critical patent/KR970036116A/en
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Publication of KR100212753B1 publication Critical patent/KR100212753B1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
    • B60W50/02—Ensuring safety in case of control system failures, e.g. by diagnosing, circumventing or fixing failures
    • B60W50/029—Adapting to failures or work around with other constraints, e.g. circumvention by avoiding use of failed parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
    • B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
    • B60R16/0231—Circuits relating to the driving or the functioning of the vehicle
    • B60R16/0232—Circuits relating to the driving or the functioning of the vehicle for measuring vehicle parameters and indicating critical, abnormal or dangerous conditions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
    • B60W50/02—Ensuring safety in case of control system failures, e.g. by diagnosing, circumventing or fixing failures
    • B60W50/029—Adapting to failures or work around with other constraints, e.g. circumvention by avoiding use of failed parts
    • B60W2050/0292—Fail-safe or redundant systems, e.g. limp-home or backup systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2306/00—Other features of vehicle sub-units
    • B60Y2306/13—Failsafe arrangements

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  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Mechanical Engineering (AREA)
  • Human Computer Interaction (AREA)
  • Transportation (AREA)
  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
  • Combined Controls Of Internal Combustion Engines (AREA)

Abstract

본 발명은 차량의 상태에 관한 각종의 정보를 감지한 뒤에 이를 전기적인 신호로 출력하는 센서부(10)와, 상기한 센서부에서 입력되는 신호로부터 차량에 이상이 발생되었다고 판단한 경우에 이상이 발생되었음을 외부에 경고하고, 이상이 발생한 상태에서 차속이 일정 속도를 넘는 경우에는 강제적으로 차속을 일정 한도 내로 저감시키기 위한 신호를 출력하는 전자 제어부(20)와, 상기한 전자 제어부로부터 경고 신호가 입력되는 경우에 운전자에게 경고 메시지를 출력하는 경고 표시부(30)와, 상기한 전자 제어부로부터 입력되는 신호에 의해 온/오프되는 솔레노이드 밸브(40)와, 압축 공기를 발생시키는 에어 컴프레셔(50)와, 상기 에어 컴프레셔로부터 발생된 압축 공기를 저장시키는 공기 저장 탱크(60)와, 상기한 솔레노이드 밸브가 개방되는 경우에 상기한 공기 저장 탱크로부터 전송되어 오는 압축 공기에 의해 동작되는 액츄에이터(70)와, 상기한 액츄에이터와 기구적으로 연결되어 있으며, 상기한 액츄에이터의 동작에 의해 개도각이 결정되는 보조 드로틀 밸브(80)를 포함하여 이루어지며, 차량에 이상이 발생되는 경우에 보조 드로틀 밸브를 이용하여 차량의 속력이 일정한 한도 내에서만 가변되도록 함으로써 차량이 무리하게 과속되는 것을 방지하는 효과를 가진 차량의 페일 세이프 제어장치 및 그 방법을 제공한다.According to the present invention, an abnormality occurs when it is determined that an abnormality has occurred in a vehicle from a sensor unit 10 that detects various information about a state of a vehicle and outputs it as an electrical signal, and a signal input from the sensor unit. The electronic control unit 20 for outputting a signal for forcibly reducing the vehicle speed to a certain limit when the vehicle speed exceeds a predetermined speed in a state where an abnormality occurs, and a warning signal is input from the electronic control unit. A warning display unit 30 for outputting a warning message to the driver, a solenoid valve 40 on / off by a signal input from the electronic control unit, an air compressor 50 for generating compressed air, and The air storage tank 60 for storing the compressed air generated from the air compressor, and when the solenoid valve is opened An actuator 70 operated by compressed air transmitted from an air storage tank, and an auxiliary throttle valve 80 which is mechanically connected to the actuator and whose opening angle is determined by the operation of the actuator. And a fail-safe control device of a vehicle having an effect of preventing the vehicle from being excessively speeded up by using the auxiliary throttle valve to change the speed of the vehicle only within a certain limit in case of an abnormality in the vehicle, and Provide a method.

Description

차량의 페일 세이프 제어장치 및 그 방법Vehicle failsafe control device and method

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

제1도는 본 발명의 실시예에 따른 차량의 페일 세이프 제어장치의 회로도,1 is a circuit diagram of a fail safe control apparatus for a vehicle according to an embodiment of the present invention;

제2도는 본 발명의 실시예에 따른 차량의 페일 세이프 제어방법을 보인 동작 흐름도.2 is a flowchart illustrating a fail safe control method for a vehicle according to an exemplary embodiment of the present invention.

Claims (7)

차량의 상태에 관한 각종의 정보를 감지한 뒤에 이를 전기적인 신호로 출력하는 센서부와, 상기한 센서부에서 입력되는 신호로부터 차량에 이상이 발생되었다고 판단한 경우에 이상이 발생되었음을 외부에 경고하고, 이상이 발생한 상태에서 차속이 일정 속도를 넘는 경우에는 강제적으로 차속을 일정 한도 내로 저감시키기 위한 신호를 출력하는 전자 제어부와, 상기한 전자 제어부로부터 경고 신호가 입력되는 경우에 운전자에게 경고 메시지를 출력하는 경고 표시부와, 상기한 전자 제어부로부터 입력되는 신호에 의해 온/오프되는 솔레노이드 밸브와, 압축 공기를 발생시키는 에어 컴프레셔와, 상기 에어 컴프레셔로부터 발생된 압축 공기를 저장시키는 공기 저장 탱크와, 상기한 솔레노이드 밸브가 개방되는 경우에 상기한 공기 저장 탱크로부터 전송되어 오는 압축 공기에 의해 동작되는 액츄에이터와, 상기한 액츄에이터와 기구적으로 연결되어 있으며, 상기한 액츄에이터의 동작에 의해 개도각이 결정되는 보조 드로틀 밸브를 포함하여 이루어지는 것을 특징으로 하는 차량의 페일 세이프 제어장치.The sensor unit detects various information about the state of the vehicle and outputs it as an electrical signal, and warns to the outside that the abnormality has occurred when it is determined that the vehicle has an error from the signal input from the sensor unit. If the vehicle speed exceeds a certain speed in the abnormal state, the electronic control unit for outputting a signal forcibly reducing the vehicle speed to a certain limit, and outputs a warning message to the driver when a warning signal is input from the electronic control unit A warning display, a solenoid valve turned on / off by a signal input from the electronic control unit, an air compressor for generating compressed air, an air storage tank for storing compressed air generated from the air compressor, and the solenoid described above. From the above described air storage tank when the valve is opened An actuator operated by the compressed air being sent, and an auxiliary throttle valve which is mechanically connected to the actuator and whose opening angle is determined by the operation of the actuator, includes fail safe of the vehicle. Control unit. 제1항에 있어서, 운전자가 페일 세이프 제어장치를 필요에 따라 선택적으로 동작시키기 위한 동작 스위치를 더 포함하여 이루어지는 것을 특징으로 하는 차량의 페일 세이프 제어장치.2. The fail safe control apparatus for a vehicle according to claim 1, further comprising an operation switch for the driver to selectively operate the fail safe control apparatus as needed. 제1항에 있어서, 상기한 센서부는, 차속센서, 산소 센서, 공기 흐름 센서, 대기압 센서, 흡기온 센서, 수온 센서, 드로틀 위치 센서, 크랭크각 센서, 아이들 스위치, 1번 실린더 TDC 센서, 모터 위치 센서 등등의 각종의 센서를 포함하는 구성으로 이루어지는 것을 특징으로 하는 차량의 페일 세이프 제어장치.The sensor unit of claim 1, wherein the sensor unit comprises: a vehicle speed sensor, an oxygen sensor, an air flow sensor, an atmospheric pressure sensor, an intake air temperature sensor, a water temperature sensor, a throttle position sensor, a crank angle sensor, an idle switch, a first cylinder TDC sensor, and a motor position. A fail safe control apparatus for a vehicle, comprising a configuration including various sensors such as a sensor. 제1항에 있어서, 상기한 전자 제어부는 마이크로 컨트롤러, 애널로그/디지틀 컨버터, 메모리 등을 내장하는 구성으로 이루어지는 것을 특징으로 하는 차량의 페일 세이프 제어장치.The failsafe control apparatus for a vehicle according to claim 1, wherein the electronic control unit is configured to include a microcontroller, an analog / digital converter, a memory, and the like. 제1항에 있어서, 상기한 경고 표시부는 적색의 발광 다이오드로 이루어지는 것을 특징으로 하는 차량의 페일 세이프 제어장치.2. The fail safe control apparatus for a vehicle according to claim 1, wherein the warning display part is formed of a red light emitting diode. 제1항에 있어서, 상기한 경고 표시부는, 음성 칩과 스피커를 사용하여 운전자에게 청각적으로 경고 메시지를 출력하는 구성으로 이루어지는 것을 특징으로 하는 차량의 페일 세이프 제어장치.The fail safe control apparatus for a vehicle according to claim 1, wherein the warning display unit is configured to output a warning message to the driver by using a voice chip and a speaker. 전원이 인가되면 동작이 시작되어 모든 메모리 변수를 초기화시키는 단계와, 동작 스위치가 온되었는지를 판단하는 단계와, 동작 스위치가 온된 경우에 센서부로부터 입력되는 각종의 감지 신호를 읽어 들이는 단계와, 읽어들인 감지 신호로부터 차량에 이상이 발생되었는지를 판단하는 단계와, 차량에 이상이 발생한 경우에 이상 발생 경고 신호를 출력하는 단계와, 차속센서에서 입력되는 신호로부터 현재의 차속을 산출하는 단계와, 현재의 차속이 기준 차속보다 큰지를 판단하는 단계와, 현재의 차속이 기준 차속보다 큰 경우에 차속을 강제로 일정 속도 이하가 되도록 저감시키는 단계를 포함하여 이루어지는 것을 특징으로 하는 차량의 페일 세이프 제어방법.Starting when the power is applied, initializing all memory variables, determining whether the operation switch is on, reading various sensing signals input from the sensor unit when the operation switch is turned on, Determining whether an abnormality has occurred in the vehicle from the detected detection signal, outputting an abnormality warning signal when an abnormality occurs in the vehicle, calculating a current vehicle speed from a signal input from the vehicle speed sensor, Determining whether the current vehicle speed is greater than the reference vehicle speed, and forcibly reducing the vehicle speed to be below a predetermined speed when the current vehicle speed is greater than the reference vehicle speed. . ※참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: It is to be disclosed based on the initial application.
KR1019950048374A 1995-12-11 1995-12-11 A fail safe control device and its method of a car KR100212753B1 (en)

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Application Number Priority Date Filing Date Title
KR1019950048374A KR100212753B1 (en) 1995-12-11 1995-12-11 A fail safe control device and its method of a car

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Application Number Priority Date Filing Date Title
KR1019950048374A KR100212753B1 (en) 1995-12-11 1995-12-11 A fail safe control device and its method of a car

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KR970036116A true KR970036116A (en) 1997-07-22
KR100212753B1 KR100212753B1 (en) 1999-08-02

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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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