KR970065231A - Device for preventing drowsiness in a driver and control method thereof - Google Patents

Device for preventing drowsiness in a driver and control method thereof Download PDF

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Publication number
KR970065231A
KR970065231A KR1019960007443A KR19960007443A KR970065231A KR 970065231 A KR970065231 A KR 970065231A KR 1019960007443 A KR1019960007443 A KR 1019960007443A KR 19960007443 A KR19960007443 A KR 19960007443A KR 970065231 A KR970065231 A KR 970065231A
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South Korea
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driver
signal
driving
steering angle
outputting
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KR1019960007443A
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Korean (ko)
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KR100191035B1 (en
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최희우
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김영귀
기아자동차 주식회사
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V20/00—Scenes; Scene-specific elements
    • G06V20/50—Context or environment of the image
    • G06V20/59—Context or environment of the image inside of a vehicle, e.g. relating to seat occupancy, driver state or inner lighting conditions
    • G06V20/597—Recognising the driver's state or behaviour, e.g. attention or drowsiness
    • 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
    • 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
    • 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
    • B60W50/16—Tactile feedback to the driver, e.g. vibration or force feedback to the driver on the steering wheel or the accelerator pedal
    • 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
    • B60W2040/0827—Inactivity or incapacity of driver due to sleepiness
    • 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
    • B60W2510/00—Input parameters relating to a particular sub-units
    • B60W2510/20—Steering systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2302/00—Responses or measures related to driver conditions
    • B60Y2302/03—Actuating a signal or alarm device
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2400/00—Special features of vehicle units
    • B60Y2400/30—Sensors

Abstract

운전자의 시각의 차이를 감지하여 출력하는 시가감지 카메라(10)와, 조향휠에 의한 조향각을 감지하여 출력하는 조향각 센서(20)와, 주행차선을 감지하여 출력하는 주행차선 감지 카메라(30)와, 크랭크축의 회전각을 감지하여 출력하는 크랭크각 센서(40)와, 주변차량과의 거리를 감지하여 출력하는 초음파 센서(50)와, 상기한 운전자의 시각에 대한 신호와 조향각 상태에 대한 신호와 차량의 주행상태에 대한 신호를 이용하여 운전자가 졸고 있는지를 판단하여 운전자가 졸고 있는 경우에 경고음 및 진동이 발생되도록 함과 동시에, 상기한 크랭크 각 신호와 주변차량과의 거리감지 신호를 이용하여 주변차량과 충돌가능성이 있다고 판단되는 경우에 자동 브레이크 및 비상등이 구동되도록 하는 마이크로 컨트롤러(50)와, 상기한 마이크로 컨트롤러로부터 구동신호가 입력되면 경고음이 발생되도록 하는 경고음 발생부(70)와, 운전석에 진동이 발생되도록 하는 진동 발생부(80)와, 비상등이 동작되도록 하는 비상등 구동부(90)와, 주변차량과 충돌가능성이 있는 경우에 브레이크가 동작되도록 하는 브레이크 구동부(100)를 포함하여 이루어지며, 주행도중에 운전자가 졸게 되면 이를 감지하여 운전자에게 경고음 및 진동을 발생시킴으로써 운전자가 정신이 들돌고 하고, 비상등과 자동 브레이크 기능을 이용하여 주면차량과의 안전사고를 미연에 방지할 수 있는 효과를 가진 운전자의 졸음운전 방지장치 및 그의 제어 방법을 제공한다.A crossover detection camera 10 for detecting and outputting a difference in the driver's vision, a steering angle sensor 20 for sensing and outputting a steering angle by the steering wheel, a driving lane detecting camera 30 for detecting and outputting the driving lane, A crank angle sensor 40 for sensing and outputting a rotation angle of the crankshaft, an ultrasonic sensor 50 for sensing and outputting a distance between the crankshaft and the surrounding vehicle, and a signal for the time of the driver, A warning sound and a vibration are generated when the driver is asleep by using the signal of the running state of the vehicle to determine whether or not the driver is asleep. In addition, by using the above-described crank angle signal and the distance- A microcontroller 50 for driving an automatic brake and an emergency light when it is determined that there is a possibility of collision with a vehicle, A vibration generator 80 for generating vibration in the driver's seat, a emergency light driver 90 for allowing the emergency light to operate, an emergency light driver 90 for causing a collision with the nearby vehicle, And a brake driving unit 100 for causing the brake to operate when there is a driver's warning. When the driver is asleep during driving, the driver is alerted by generating a warning sound and vibration, The present invention provides an apparatus for preventing drowsiness in a driver and a method of controlling the drowsiness of the driver.

Description

운전자의 졸음운전 방지장치 및 그의 제어방법Device for preventing drowsiness in a driver and control method thereof

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is a trivial issue, I did not include the contents of the text.

제1도는 본 발명의 실시예에 따른 운전자의 졸음운전 방지장치의 구성 회로도이다. 제2도는 본 발명의 실시예에 따른 운전자의 졸음운전 방지장치의 제어방법의 동작 순서도이다.FIG. 1 is a circuit diagram of an apparatus for preventing drowsiness of a driver according to an embodiment of the present invention. FIG. 2 is an operational flowchart of a method of controlling a drowsiness driving preventing apparatus according to an embodiment of the present invention.

Claims (5)

운전자의 시각의 차이를 감지한 뒤에 이를 전기적인 신호로 변환하여 출력하는 시각감지 카메라와, 조향횔에 의한 조향각을 감지한 뒤에 이를 전기적인 신호로 변환하여 출력하는 조향각 센서와, 주행차선을 감지한 뒤에 이를 전기적인 신호로 변환하여 출력하는 주행차선 감지 카메라와, 크랭크축의 회전각을 감지한 뒤에 이를 전기적인 신호로 변환하여 출력하는 크랭크각 센서와, 주변차량과의 거리를 감지한 뒤에 이를 전기적인 신호로 변환하여 출력하는 초음파 센서와, 운전자가 필요에 따라 졸음운전 방지장치를 선택적으로 동작시키기 위한 동작 스위치와, 상기한 시각감지 카메라로부터 입력되는 운전자의 시각에 대한 신호와, 상기한 조향각 센서로부터 입력되는 조향각 상태에 대한 신호와, 주행차선 감지 카메라로부터 입력되는 차량의 주행상태에 대한 신호를 이용하여 운전자가 졸고 있는지를 판단하고, 운전자가 졸고 있는 경우에 경고음 및 진동이 발생되도록 하기 위한 구동 신호를 출력함과 동시에, 상기한 크랭크각 센서와 초음파 센서로부터 입력되는 신호를 이용하여 주변차량과 충돌가능성이 있다고 판단되는 경우에 자동 브레이크 및 비상등의 구동되도록 하기 위한 구동신호를 출력하는 마이크로 컨트롤러와, 상기한 마이크로 컨트롤러로부터 구동신호가 입력되면 경고음이 발생되도록 하는 경고음 발생부와, 상기한 마이크로 컨트롤러로부터 구동신호가 입력되면 운전석에 진동이 발생되도록 하는 진동 발생부와, 상기한 마이크로 컨트롤러로부터 구동신호가 입력되면 비상등이 동작되도록 하는 비상등 구동부와, 상기한 마이크로 컨트롤러로부터 구동신호가 입력되면 자동적으로 브레이크가 동작되도록 하는 브레이크 구동부를 포함하여 이루어지는 것을 특징으로 하는 운전자의 졸음운전 방지장치.A visual sense camera for detecting a difference in the driver's vision and then converting the electrical signal into an electric signal and outputting the electrical signal; a steering angle sensor for sensing the steering angle by the steering wheel and converting the steering angle into an electrical signal for output; A crank angle sensor for detecting an angle of rotation of the crankshaft and converting the crank angle into an electric signal and outputting the converted signal to an electric signal, An operation switch for selectively activating the drowsiness prevention device as required by the driver, a signal for the driver's time inputted from the vision sensor, and a signal from the steering angle sensor A signal for the input steering angle state, And outputs a driving signal for causing a warning sound and a vibration to be generated when the driver is sleeping, and outputs a driving signal for inputting the signal inputted from the crank angle sensor and the ultrasonic sensor A microcontroller for outputting a drive signal for driving the automatic brake and the emergency light when it is determined that there is a possibility of collision with the nearby vehicle by using the microcontroller, a warning sound generating unit for generating a warning sound when the drive signal is inputted from the microcontroller, A vibration generator for generating a vibration in a driver's seat when a driving signal is inputted from the microcontroller, a emergency light driver for operating an emergency light when a driving signal is input from the microcontroller, When it is entered, A brake driving drowsy driving prevention device of the driver comprising the such that the brake operates. 제1항에 있어서, 운전자가 필요에 따라 졸음운전 방지장치를 선택적으로 동작시키기 위한 동작 스위치를 더 포함하여 이루어지는 것을 특징으로 하는 운전자의 졸음운전 방지장치.The apparatus according to claim 1, further comprising an operation switch for selectively activating the drowsiness driving prevention device as needed by the driver. 제1항 또는 제2항에 있어서, 상기한 마이크로 컨트롤러는 내부에 애널로그/디지틀 컨버터와 메모리가 내장되어 있는 것을 특징으로 하는 운전자의 졸음운전 방지장치.The apparatus of claim 1 or 2, wherein the microcontroller includes an internal analog / digital converter and a memory. 제1항 또는 제2항에 있어서, 상기한 경고음 발생부는, 운전자에게 경고음을 청각적으로 발생시키기 위한 음성칩 및 스피커를 포함하여 이루어지는 것을 특징으로 하는 운전자의 졸음운전 방지장치.The apparatus according to claim 1 or 2, wherein the warning sound generating unit includes a voice chip and a speaker for audibly generating a warning sound to the driver. 전원이 인가되면 동작이 시작되어, 모든 메모리 변수를 초기화시키는 단계와, 동작 스위치로부터 입력되는 신호를 읽어들여 동작 스위치가 온된 경우에, 카메라를 이용하여 운전자의 시각상태를 감지하여, 운전자의 시각이 기준치보다 작은지를 판단하는 단계와, 운전자의 시각이 기준치보다 작은 경우에, 조향각 센서를 이용하여 조향각의 상태를 감지한 뒤에, 현재 조향각이 평균 조향각보다 큰지를 판단하는 단계와, 현재 조향각이 평균 조향각보다 큰 경우에, 카메라를 이용하여 주행차선을 감지하여 자동차가 주행차선에서 벗어났는 지를 판단하는 단계와, 자동차가 주행차선에서 벗어난 경우에 경고음 및 진동을 발생시키는 단계와, 크랭크각 센서를 이용하여 현재 시동이 걸려 있는지를 판단하는 단계와, 현재 시동이 결려 있는 경우에, 초음파 센서를 이용하여 주변차량과의 거리를 감지하여, 주변차량과의 충돌 가능성이 있는 지를 판단하는 단계와, 주변차량과 충돌 가능성이 있는 경우에, 브레이크 및 비상등이 동작되도록 한 뒤에, 동작을 종료하고 리턴하는 단계를 포함하여 이루어지는 것을 특징으로 하는 운전자의 졸음운전 방지장치의 제어방법.The method comprising the steps of: initializing all memory variables when power is applied; initializing all memory variables; reading a signal input from the operation switch to detect a driver's visual state using the camera when the operation switch is turned on; Determining whether a current steering angle is greater than an average steering angle after sensing the state of the steering angle using a steering angle sensor when the driver's time is less than a reference value; Detecting a driving lane using a camera to determine whether the vehicle has departed from the driving lane, generating a warning sound and vibration when the vehicle is out of the driving lane, using a crank angle sensor Determining whether a current start is occurring; and, if the current start is defective, Determining whether there is a possibility of a collision with a nearby vehicle by detecting a distance to the nearby vehicle by using a brake and a standing vehicle, and, when there is a possibility of collision with the nearby vehicle, causing the brake and the emergency light to operate, And controlling the driving of the sleeping motion prevention device. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: It is disclosed by the contents of the first application.
KR1019960007443A 1996-03-19 1996-03-19 Sleep prevention device and the control method for motor driving KR100191035B1 (en)

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KR100762733B1 (en) * 2005-12-30 2007-10-04 안교유 method and system for checking doze at the vehicle

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KR101527220B1 (en) * 2008-12-23 2015-06-08 두산인프라코어 주식회사 Apparatus for Enhancing Operative Safety of Construction Equipment
KR101526116B1 (en) * 2014-05-02 2015-06-05 재단법인대구경북과학기술원 System for preventing drowsy driving by one touch and method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100762733B1 (en) * 2005-12-30 2007-10-04 안교유 method and system for checking doze at the vehicle

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