KR19980028677A - Vehicle driver condition detection system and method - Google Patents

Vehicle driver condition detection system and method Download PDF

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Publication number
KR19980028677A
KR19980028677A KR1019960047816A KR19960047816A KR19980028677A KR 19980028677 A KR19980028677 A KR 19980028677A KR 1019960047816 A KR1019960047816 A KR 1019960047816A KR 19960047816 A KR19960047816 A KR 19960047816A KR 19980028677 A KR19980028677 A KR 19980028677A
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South Korea
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unit
control unit
state detection
warning sound
vehicle
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KR1019960047816A
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Korean (ko)
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KR100198836B1 (en
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류인석
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김영귀
기아자동차 주식회사
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Priority to KR1019960047816A priority Critical patent/KR100198836B1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K28/00—Safety devices for propulsion-unit control, specially adapted for, or arranged in, vehicles, e.g. preventing fuel supply or ignition in the event of potentially dangerous conditions
    • B60K28/02—Safety devices for propulsion-unit control, specially adapted for, or arranged in, vehicles, e.g. preventing fuel supply or ignition in the event of potentially dangerous conditions responsive to conditions relating to the driver
    • B60K28/06—Safety devices for propulsion-unit control, specially adapted for, or arranged in, vehicles, e.g. preventing fuel supply or ignition in the event of potentially dangerous conditions responsive to conditions relating to the driver responsive to incapacity of driver
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T7/00—Brake-action initiating means
    • B60T7/12—Brake-action initiating means for automatic initiation; for initiation not subject to will of driver or passenger
    • 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
    • B60W40/00—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models
    • B60W40/08—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models related to drivers or passengers
    • 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
    • B60W50/08—Interaction between the driver and the control system
    • B60W50/14—Means for informing the driver, warning the driver or prompting a driver intervention
    • 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
    • F02D41/04—Introducing corrections for particular operating conditions
    • F02D41/12—Introducing corrections for particular operating conditions for deceleration
    • F02D41/123—Introducing corrections for particular operating conditions for deceleration the fuel injection being cut-off
    • 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
    • B60W40/00—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models
    • B60W40/08—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models related to drivers or passengers
    • B60W2040/0818—Inactivity or incapacity of driver
    • 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
    • B60W50/08—Interaction between the driver and the control system
    • B60W50/14—Means for informing the driver, warning the driver or prompting a driver intervention
    • B60W2050/143—Alarm means
    • 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
    • B60W2540/00—Input parameters relating to occupants
    • B60W2540/221—Physiology, e.g. weight, heartbeat, health or special needs
    • 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
    • B60W2710/00—Output or target parameters relating to a particular sub-units
    • B60W2710/06—Combustion engines, Gas turbines
    • 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
    • B60W2710/00—Output or target parameters relating to a particular sub-units
    • B60W2710/18—Braking system

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Automation & Control Theory (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Human Computer Interaction (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Auxiliary Drives, Propulsion Controls, And Safety Devices (AREA)

Abstract

본 발명은 차량운전자가 갑작스런 신체이상으로 운전이 불가능한 경우를 감지하는 차량운전자 상태감지 시스템 및 그 방법에 관한 것으로 상태감지 제어부(1)는 센싱부(2)로부터 입력을 받아 엔진 ECU(3),경고음 발생부(4) 및 자동 브레이크 작동부(5)를 작동시키고 센싱부(2)는 핸들압력 센서(6), 조향각 센서(7), 브레이크 스위치(8), 악셀 센서(9) 및 클러치 스위치(10)로부터 신호를 받으며 엔진 ECU(3)는 인젝터(11)를 제어하게 구성되어 엔진이 시동되고 차속이 10 Km 이상이 되면 상태감지 제어부는 핸들접촉점수를 체크하고 기준값 이상이면 경고음을 출력하고 핸들압력을 체크하여 기준값 이하이면 경고음을 출력하며 상태감지 제어부는 엔진 ECU 에 신호를 보내어 인젝터의 연료공급을 차단시키고 그 후에 일정시간 경과 후 브레이크, 악셀, 클러치, 조향각이 변화하지 않으면 상태감지 제어부는 자동 브레이크 작동부를 작동시켜 차량을 정차시킨다.The present invention relates to a vehicle driver state detection system and a method for detecting a case where it is impossible for a vehicle driver to operate due to a sudden body abnormality. The state detection control unit 1 receives an input from the sensing unit 2 and includes an engine ECU 3, The warning sound generating unit 4 and the automatic brake operating unit 5 are operated, and the sensing unit 2 operates the handle pressure sensor 6, the steering angle sensor 7, the brake switch 8, the axel sensor 9 and the clutch switch. Receives a signal from (10) and the engine ECU (3) is configured to control the injector 11, when the engine is started and the vehicle speed is 10 Km or more, the state detection control unit checks the steering wheel contact point and outputs a warning sound if the reference value or more Check the handle pressure and output a warning sound if it is below the standard value. The status detection control unit sends a signal to the engine ECU to shut off the fuel supply to the injector. After a certain time, the brake, axel, clutch and steering angle If not cured state detection control unit by operating the brake unit automatically activated to stop the vehicle.

Description

차량운전자 상태감지 시스템 및 그 방법Vehicle driver condition detection system and method

본 발명은 차량운전자가 갑작스런 신체이상으로 운전이 불가능한 경우를 감지하는 차량운전자 상태감지 시스템 및 그 방법에 관한 것이다.The present invention relates to a vehicle driver condition detection system and a method for detecting a case in which the vehicle driver is unable to drive due to a sudden body abnormality.

차량운전자는 주행중에 신체이상으로 운전이 불가능한 경우가 발생한다. 즉 졸도, 심장질환, 고혈압 등으로 인해 운전자가 운전을 못하는 경우에는 사고가 일어나는 경우가 종종 발생한다.The driver of the vehicle may be unable to drive due to a body problem while driving. In other words, accidents occur when a driver cannot drive due to fainting, heart disease, or high blood pressure.

본 발명의 목적은 상기와 같은 문제점을 해결하기 위하여 운전자가 핸들을 잡고 있는 접촉점의 수와 접촉점의 면적 및 그 압력의 강도에 따라 운전자의 상태를 판단하고 운전이 불가능하다고 판단될 시 1 차 경고음을 발하며 비상등을 점등하고 동시에 엔진 ECU를 통해 연료차단을 실시하여 차량의 속도를 감속시키고 일정시간 경과 후 아무런 조치가 없으면 차량을 정차시키는 차량운전자 상태감지 시스템 및 그 방법을 제공하고자 하는 것이다.An object of the present invention is to determine the driver's condition according to the number of contact points, the area of the contact points and the pressure strength of the contact point that the driver is holding the handle to solve the above problems, and when the first warning sound is determined to be impossible to drive It is intended to provide a vehicle driver condition detection system and a method for reducing the speed of the vehicle by stopping the emergency light and simultaneously turning off the emergency light and stopping the vehicle if there is no action after a certain time.

상기와 같은 목적을 수행하는 상태감지 시스템은 상태감지 제어부가 센싱부로부터 입력을 받아 엔진 ECU,경고음 발생부 및 자동 브레이크 작동부를 작동시키고 센싱부는 핸들압력 센서, 조향각 센서, 브레이크 스위치, 악셀 센서 및 클러치 스위치로부터 신호를 받으며 엔진 ECU는 인젝터를 제어하게 구성된다.In the state detection system which accomplishes the above object, the state detection control unit receives an input from the sensing unit to operate the engine ECU, the warning sound generating unit, and the automatic brake operation unit, and the sensing unit handle pressure sensor, steering angle sensor, brake switch, axel sensor, and clutch. Receiving a signal from the switch, the engine ECU is configured to control the injector.

본 발명의 상태감지방법은 엔진이 시동되고 차속이 일정속도 이상이 되면 상태감지 제어부는 핸들접촉점수를 체크하고 기준값 이상이면 경고음을 출력하고 핸들압력을 체크하여 기준값 이하이면 경고음을 출력하는 단계, 엔진 ECU 에 신호를 보내어 인젝터의 연료공급을 차단시키는 단계 및 그 후에 일정시간 경과 후 브레이크, 악셀, 클러치, 조향각이 변화하지 않으면 상태감지 제어부는 자동 브레이크 작동부를 작동시켜 차량을 정차시키는 단계로 이루어진다.In the state sensing method of the present invention, when the engine is started and the vehicle speed reaches a certain speed or more, the state sensing control unit checks the steering wheel contact point and outputs a warning sound when the reference value is higher than the reference value and outputs a warning sound when the steering wheel pressure is lower than the reference value. A signal is sent to the ECU to cut off the fuel supply to the injector, and after a certain period of time, if the brake, axel, clutch, and steering angle do not change, the state detection controller stops the vehicle by operating the auto brake operation unit.

도 1은 본 발명의 차량운전자 상태감지 시스템의 구성을 도시하는 블록도1 is a block diagram showing the configuration of a vehicle driver condition detection system of the present invention.

도 2는 본 발명의 차량운전자 상태감지 방법을 도시하는 플로우챠트2 is a flowchart showing a vehicle driver state detection method of the present invention.

* 도면의 부호에 대한 설명 *Explanation of symbols in the drawings

1: 상태감지 제어부 2: 센싱부1: state detection control unit 2: sensing unit

3: 엔진 ECU 4: 경고음 발생부3: engine ECU 4: warning sound generator

5: 자동 브레이크 작동부 6: 핸들압력 센서5: Automatic brake operation part 6: Handle pressure sensor

7: 조향각 센서 8: 브레이크 스위치7: steering angle sensor 8: brake switch

9: 악셀 센서 10: 클러치 스위치9: Axel sensor 10: Clutch switch

11: 인젝터11: injector

본 발명을 첨부된 도면을 참조하여 하기에 설명한다.The present invention is described below with reference to the accompanying drawings.

도1에는 본 발명의 차량운전자 상태감지 시스템의 구성이 블록도로서 도시되는데, 상태감지 제어부(1)는 센싱부(2)로부터 입력을 받아 엔진 ECU(3),경고음 발생부(4) 및 자동 브레이크 작동부(5)를 작동시킨다.1 is a block diagram showing the configuration of the vehicle driver condition detection system of the present invention, the state detection control unit 1 receives an input from the sensing unit 2, the engine ECU (3), the warning sound generating unit (4) and automatic Activate the brake operating part (5).

센싱부(2)는 핸들압력 센서(6), 조향각 센서(7), 브레이크 스위치(8), 악셀 센서(9) 및 클러치 스위치(10)로부터 신호를 받는다. 한편 엔진 ECU(3)는 인젝터(11)를 제어한다.The sensing unit 2 receives a signal from the handle pressure sensor 6, the steering angle sensor 7, the brake switch 8, the axel sensor 9 and the clutch switch 10. On the other hand, the engine ECU 3 controls the injector 11.

본 발명의 차량운전자 상태감지 시스템은 운전자의 운전 불가능 상태를 운전자의 핸들접촉량과 핸들파지 압력을 기준으로 판단한다. 이것은 운전자가 핸들위에 쓰러지고 손의 파지력이 약화되는 것을 감지하는 것이다.The vehicle driver state detection system of the present invention determines the driver's inoperable state on the basis of the handle contact amount of the driver and the handle holding pressure. This is to detect when the driver falls on the handle and the hand grip weakens.

본 발명의 차량운전자 상태감지 시스템은 차속이 10 Km/h 이상이면 상태감지 제어부(1)가 핸들압력 센서(6)로부터 핸들접촉점수와 핸들압력을 체크한다.In the vehicle driver condition detection system of the present invention, when the vehicle speed is 10 Km / h or more, the state detection control unit 1 checks the handle contact point and the handle pressure from the handle pressure sensor 6.

상태감지 제어부(1)가 운전이 불가능하다고 판단하면 1차 경고음을 발하고 엔진 ECU(3)를 통해 인젝터(11)의 연료공급을 차단한다. 또한 일정시간 경과 후 조향각 센서(7), 브레이크 스위치(8), 악셀 센서(9) 및 클러치 스위치(10)로부터 입력신호가 없으면 자동 브레이크 작동부(5)를 작동시켜 차량을 정지시킨다.If the state detection control unit 1 determines that the operation is impossible, it emits a primary warning sound and cuts off the fuel supply of the injector 11 through the engine ECU 3. In addition, if there is no input signal from the steering angle sensor 7, the brake switch 8, the axel sensor 9, and the clutch switch 10 after a predetermined time has elapsed, the auto brake operating unit 5 is operated to stop the vehicle.

도 2에는 본 발명의 차량운전자 상태감지 방법이 플로우챠트로서 도시되는데, 엔진이 시동되고 차속이 10 Km 이상이 되면 상태감지 제어부는 핸들접촉점수를 체크한다. 접촉점수가 1 이면 핸들압력을 체크하고 접촉면적이 기준값 이상이면 경고음을 출력한다. 접촉점수가 2이고 접촉면적이 기준값 이상이면 경고음을 출력한다. 또한 핸들압력을 체크하여 기준값 이하이면 경고음을 출력한다.Figure 2 shows the vehicle driver condition detection method of the present invention as a flow chart, when the engine is started and the vehicle speed is 10 Km or more, the state detection control unit checks the steering wheel contact point. If the contact point is 1, the handle pressure is checked. If the contact area is over the reference value, a warning sound is output. If the contact point is 2 and the contact area is over the reference value, a warning sound is output. In addition, it checks the handle pressure and outputs a warning sound if it is below the reference value.

상태감지 제어부는 엔진 ECU 에 신호를 보내어 인젝터의 연료공급을 차단시키고 그 후에 일정시간 경과 후 브레이크, 악셀, 클러치, 조향각이 변화하지 않으면 상태감지 제어부는 자동 브레이크 작동부를 작동시켜 차량을 정차시킨다.The state detection control unit sends a signal to the engine ECU to cut off the fuel supply to the injector. After that, if the brake, axel, clutch, and steering angle do not change, the state detection control unit stops the vehicle by operating the auto brake operation unit.

본 발명의 차량운전자 상태감지 시스템 및 그 방법에 따르면, 운전자가 졸도, 심장질환, 고혈압 등으로 인하여 운전이 불가능한 경우 발생될 수 있는 사고를 방지하여 차량의 안전성을 향상시키는 효과를 제공한다.According to the vehicle driver state detection system and the method of the present invention, the driver provides an effect of improving the safety of the vehicle by preventing accidents that may occur when driving is impossible due to fainting, heart disease, high blood pressure and the like.

Claims (2)

상태감지 제어부(1)는 센싱부(2)로부터 입력을 받아 엔진 ECU(3),경고음 발생부(4) 및 자동 브레이크 작동부(5)를 작동시키고 센싱부(2)는 핸들압력 센서(6), 조향각 센서(7), 브레이크 스위치(8), 악셀 센서(9) 및 클러치 스위치(10)로부터 신호를 받으며 엔진 ECU(3)는 인젝터(11)를 제어하게 구성된 차량운전자 상태감지 시스템.The state sensing control unit 1 receives an input from the sensing unit 2 to operate the engine ECU 3, the warning sound generating unit 4, and the automatic brake operating unit 5, and the sensing unit 2 operates the handle pressure sensor 6. Vehicle driver condition sensing system configured to receive signals from the steering angle sensor (7), the brake switch (8), the axel sensor (9) and the clutch switch (10), and the engine ECU (3) to control the injector (11). 엔진이 시동되고 차속이 10 Km 이상이 되면 상태감지 제어부는 핸들접촉점수를 체크하고 기준값 이상이면 경고음을 출력하고 핸들압력을 체크하여 기준값 이하이면 경고음을 출력하는 단계,When the engine is started and the vehicle speed is 10 Km or more, the state detection control unit checks the steering wheel contact point and outputs a warning sound when the reference value is higher than the reference value, and outputs a warning sound when the steering wheel pressure is lower than the reference value, 엔진 ECU 에 신호를 보내어 인젝터의 연료공급을 차단시키는 단계 및,Sending a signal to the engine ECU to cut off the fuel supply of the injector; 그 후에 일정시간 경과 후 브레이크, 악셀, 클러치, 조향각이 변화하지 않으면 상태감지 제어부는 자동 브레이크 작동부를 작동시켜 차량을 정차시키는 단계로 이루어 지는 차량운전자 상태감지방법.After that, if the brake, axel, clutch, steering angle does not change after a certain time has elapsed, the state detection control unit comprises a step of operating the automatic brake operating unit to stop the vehicle.
KR1019960047816A 1996-10-23 1996-10-23 Detecting system for driver's status and method thereof KR100198836B1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101415212B1 (en) * 2011-10-10 2014-07-07 주식회사 만도 Brake assistant system of car and control method for the same

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101415212B1 (en) * 2011-10-10 2014-07-07 주식회사 만도 Brake assistant system of car and control method for the same

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