WO2021033813A1 - Dispositif d'aide à la conduite sûre et procédé d'aide - Google Patents

Dispositif d'aide à la conduite sûre et procédé d'aide Download PDF

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Publication number
WO2021033813A1
WO2021033813A1 PCT/KR2019/010702 KR2019010702W WO2021033813A1 WO 2021033813 A1 WO2021033813 A1 WO 2021033813A1 KR 2019010702 W KR2019010702 W KR 2019010702W WO 2021033813 A1 WO2021033813 A1 WO 2021033813A1
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WO
WIPO (PCT)
Prior art keywords
driver
information
warning
state
driving situation
Prior art date
Application number
PCT/KR2019/010702
Other languages
English (en)
Korean (ko)
Inventor
강세진
김진욱
김재형
이두양
강봉오
Original Assignee
엠텍비젼 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by 엠텍비젼 주식회사 filed Critical 엠텍비젼 주식회사
Priority to PCT/KR2019/010702 priority Critical patent/WO2021033813A1/fr
Publication of WO2021033813A1 publication Critical patent/WO2021033813A1/fr

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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
    • 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
    • B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units, or advanced driver assistance systems for ensuring comfort, stability and safety or drive control systems for propelling or retarding the vehicle
    • B60W30/08—Active safety systems predicting or avoiding probable or impending collision or attempting to minimise its consequences
    • 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

Definitions

  • the present invention relates to a safe driving assist device and an assist method.
  • auxiliary devices there are a device that detects an object in front to prevent a collision while driving, and notifies the driver of a lane departure, a device that detects the departure of the vehicle ahead and informs the driver.
  • the prior art since a warning is generated by detecting a collision risk using a sensor regardless of the driver's condition, the driver becomes insensitive to the warning. As a result, the prior art has a problem in that it does not provide practical assistance to the driver when a dangerous situation occurs.
  • the technical problem to be solved by the present invention is to provide a safe driving assist device and an assist method for generating a warning according to a driver's condition.
  • a driving situation detection unit for generating driving situation information by detecting a driving situation of the vehicle;
  • a driver detection unit that detects a driver and generates driver information;
  • a control unit configured to determine a dangerous state of a driving situation through the driving situation information and a driver state through the driver information, and generate warning information according to the dangerous state and driver state;
  • a warning unit for warning the driver according to the warning information.
  • the driving situation information may be at least one of collision warning information, lane departure information, and front vehicle departure information.
  • the driver information may be at least one of information about a driver's gaze direction, information about a driver's eyes closing, and information about a driver's face direction.
  • the risk state may be any one of a high level risk, a medium level risk, and a low level risk.
  • the warning unit may warn the driver when the warning information is at a dangerous level.
  • control unit may generate the warning information according to the danger state.
  • control unit may generate warning information irrespective of the driver's state when the danger state is a high level of danger.
  • a method of assisting a safe driving by a safe driving assistance device comprising: generating driving situation information by detecting a driving situation of a vehicle by a driving situation detecting unit; Generating driver information by detecting a driver by a driver detection unit; Determining, by a control unit, a dangerous state of a driving situation through the driving situation information and a driver state through the driver information, and generating warning information according to the dangerous state and driver state; And a warning unit warning the driver according to the warning information.
  • a warning is generated only when the driver is in an abnormal driving state or a vehicle is in a dangerous state by detecting a driver's state, thereby helping the driver.
  • FIG. 1 is a block diagram of a device for assisting safe driving according to an embodiment of the present invention.
  • FIG. 2 is a diagram for explaining information on a driver's gaze direction, information on a driver's eyes closed, and information on a driver's face direction according to an embodiment of the present invention.
  • FIG. 3 is a table showing that, as an embodiment of the present invention, a controller identifies a driver's state according to driving situation information.
  • FIG. 4 is a diagram for explaining a dangerous state according to driving situation information according to an embodiment of the present invention.
  • 5 is a table for explaining warning information generated according to a dangerous state and a driver's state as an embodiment according to the present invention.
  • FIG. 6 is a flowchart of a method for assisting a safe driving by a safe driving assist device according to another embodiment of the present invention.
  • FIG. 1 is a block diagram of a device for assisting safe driving according to an embodiment of the present invention.
  • the safe driving assistance device 100 includes a driving situation detection unit 110, a driver detection unit 120, a control unit 130, and a warning unit 140.
  • the driving situation detection unit 110 detects a driving situation required by the driver in the process of driving the vehicle, generates driving situation information, and transmits the driving situation information to the control unit 130 by wire or wirelessly.
  • the driving situation detection unit 110 detects an object in front to prevent a collision while driving, and the collision detection unit 112 notifies the driver, and the lane departure detection unit 114 notifies the driver of lane departure.
  • It may include a front vehicle departure detection unit 116 that detects the departure of the vehicle ahead and informs the driver.
  • the driving situation information may be at least one of collision warning information, lane departure information, and front vehicle departure information.
  • the driver detection unit 120 detects the driver of the vehicle, generates driver information, and transmits it to the controller 130 by wire or wirelessly.
  • the driver information refers to information that serves as a criterion for determining whether the driver is driving the vehicle normally, such as information on the driver's gaze direction, information on the driver's eyes closed, and information on the driver's face.
  • the control unit 130 determines the dangerous state and the driver state of the driving situation through the driving situation information transmitted from the driving situation detection unit 110 and the driver information transmitted from the driver detection unit 120, and determines the dangerous state and the driver state. Accordingly, warning information is generated and transmitted to the warning unit 140.
  • the warning unit 140 warns the driver according to the warning information transmitted through the control unit 130.
  • the warning may be at least one of a warning sound, a warning light, and a warning message, and any other means of warning the driver may be used.
  • the safe driving assistance device 100 may be installed in a vehicle in which the driving situation detection unit 110, the driver detection unit 120, the control unit 130, and the warning unit 140 are configured as one device or different devices.
  • the driving situation detection unit 110 may utilize a known black box, and the driver detection unit 120, the control unit 130, and the warning unit 140 may be configured as separate driver status detection devices. .
  • FIG. 2 is a diagram for explaining information about a driver's gaze direction, information about a driver's eyes closed, and information about a driver's face direction among driver information according to an embodiment of the present invention.
  • FIG. 2(a) shows an area in the direction of the driver's gaze.
  • the driver detection unit 120 when the driver's gaze direction region is divided into a square 210, a side mirror 220, a guitar 230, and a rearview mirror 240, the driver detection unit 120 The driver's gaze direction information can be generated by detecting which area the driver's gaze direction is in.
  • the division of the driver's gaze direction region may vary according to implementation examples, and the driver's gaze direction region may be stored in advance in the driver detection unit 120 or may be defined by the driver.
  • FIG. 2(b) shows the degree of the driver's eyes closed.
  • the driver's eyes are closed by dividing and setting the driver's eyes closed 250 and eyes closed 260, so that the driver's eyes are closed.
  • the degree of the driver's eyes closed may vary according to implementation examples, and the degree of the driver's eyes closed may be stored in the driver detection unit 120 or may be defined by the driver.
  • FIG. 2(c) shows the driver's face direction.
  • the driver detection unit 120 may detect the driver's face direction and generate the driver's face direction information.
  • the driver's face direction information can be generated by detecting a state in which the driver's face is in the front direction 270 and the driver's face direction is in the side direction 280, and when the driver's face direction is in a different direction It will be apparent to a person skilled in the art that it can also be created.
  • FIG. 3 is a table showing that, as an embodiment of the present invention, a controller identifies a driver's state according to driving situation information.
  • a controller identifies a driver's state according to driving situation information.
  • the driver's face direction is front, side, or other, when the degree of eye-close is open or closed, and the gaze direction is front, side mirror, rearview mirror/etc. Taking into account the driver's condition.
  • FIG. 3(a) is a diagram showing the identification of a driver's state when the driving situation information is collision warning information or departure information of a vehicle ahead.
  • the controller 130 determines the driver's state as a normal driving state when the driver's face direction is front, the driver's eyes are open, and the driver's gaze direction is forward. To identify it as an abnormal driving state.
  • FIG. 3(b) is a diagram illustrating the identification of a driver's state when the driving situation information is lane departure information.
  • the controller 130 determines the driver's state as a normal driving state when the driver's face is in front, the driver's eyes are open, and the driver's gaze direction is a front or side mirror. Further, the controller 130 determines the driver's state as a normal driving state when the driver's face direction is the side, the driver's eyes are open, and the driver's gaze direction is the side mirror. In other cases, the controller 130 determines the driver's state as an abnormal driving state.
  • FIG. 4 is a diagram for explaining a dangerous state according to driving situation information according to an embodiment of the present invention.
  • FIG. 4(a) shows a dangerous state of collision warning information.
  • the collision detection unit 114 generates collision warning information based on the distance and speed between the vehicle 410 and the counterpart vehicle 420 driven by the driver, and transmits the collision warning information to the controller 130. send.
  • the control unit 130 is based on the collision warning information, depending on the distance between the vehicle 410 and the counterpart vehicle 420 or the predicted collision time, the high level risk 460, the intermediate level risk 450, the low level risk 440 ) To identify the danger status.
  • FIG. 4(b) shows a dangerous state of lane departure information.
  • the lane departure detection unit 112 generates lane departure information based on the detected departure distance of the lane 430 of the vehicle 410 and transmits it to the control unit 130. Based on the lane departure information, the control unit 130 classifies the dangerous state into a high level risk 460, a medium level risk 450, and a low level risk 440 according to the departure distance of the lane 430 of the vehicle 410. To grasp.
  • FIG. 4(c) shows a dangerous state of the departure information of the preceding vehicle.
  • the front vehicle departure detection unit 1160 generates the front vehicle departure information based on the detected distance to the vehicle ahead 420 and the departure time of the vehicle ahead 420 and transmits it to the controller 130.
  • the control unit 130 divides the risk into a high level risk 460, a medium level risk 450, and a low level risk 440 according to the distance from the car ahead 420 or the departure time of the car ahead 420 based on the departure information of the car ahead. Know the condition.
  • 5 is a table for explaining warning information generated according to a dangerous state and a driver's state as an embodiment according to the present invention.
  • FIG. 5(a) shows warning information generated according to the danger state of the collision warning information and the danger state of the front vehicle departure information and the driver state.
  • the controller 130 when the driver's state is normal, the controller 130 does not generate warning information for low-level risk and medium-level risk, and generates warning information only in case of high-level risk.
  • the controller 130 When the driver's state is abnormal driving, the controller 130 generates different warning information according to the danger state. For example, in the case of a high-level risk, the control unit 130 displays the risk level-strong warning information, in the case of a medium level risk, the risk level-medium warning information, and in the case of a low level risk, the risk level-weak warning information Generate.
  • FIG. 5(b) shows warning information generated according to a dangerous state of lane departure information and a driver's state.
  • the controller 130 does not generate warning information because it recognizes that a normal lane 430 has changed.
  • the controller 130 When the driver's state is abnormal, the controller 130 generates different warning information according to the danger state.
  • the control unit 130 transmits the warning information to the warning unit 140 only when it corresponds to the warning information.
  • the warning unit 140 may change the warning method according to the warning information transmitted through the control unit 130. For example, if the warning information is Danger Level-Weak Warning, only one of warning sound, warning light, and warning message is warned, Danger Level-Medium warning warning only two of warning sound, warning light, and warning message, Danger Level-Strong Warning The warning sound, warning light, and warning message can be used, or the sound and brightness of the warning sound and warning light can be changed.
  • the warning information is Danger Level-Weak Warning
  • Danger Level-Medium warning warning only two of warning sound, warning light, and warning message
  • Danger Level-Strong Warning The warning sound, warning light, and warning message can be used, or the sound and brightness of the warning sound and warning light can be changed.
  • the risk state is classified into a high level risk, a medium level risk, and a low level risk.
  • FIG. 6 is a flowchart of a method for assisting a safe driving by a safe driving assist device according to another embodiment of the present invention.
  • step S610 the driving situation detection unit 110 detects the driving situation of the vehicle, generates driving situation information, and transmits the driving situation information to the control unit 130.
  • step S620 the driver detection unit 120 detects the driver, generates driver information, and transmits the driver information to the controller 130.
  • step S630 the control unit 130 identifies the dangerous state and the driver state of the driving situation through the driving situation information and driver information transmitted from the driving situation detection unit 110 and the driver detection unit 120, and Generates warning information according to.
  • step S640 the control unit 130 determines whether it is a risk level according to the warning information, and if it is a risk level, proceeds to step S650, and if not, proceeds to steps S610 to S630.
  • step S650 the control unit 130 transmits the warning information to the warning unit 140, and the warning unit 140 warns the driver according to the warning information received from the control unit 130.
  • driving situation detection unit 120 driver detection unit
  • control unit 140 warning unit

Abstract

La présente invention concerne un dispositif d'aide à la conduite sûre et un procédé d'aide, le dispositif d'aide à la conduite sûre comprenant : une unité de détection de situation de conduite qui génère des informations de situation de conduite par détection d'une situation de conduite d'un véhicule ; une unité de détection de conducteur qui génère des informations de conducteur par détection d'un conducteur ; une unité de commande qui détermine un état de danger de la situation de conduite par l'intermédiaire des informations de situation de conduite et un état de conducteur par l'intermédiaire des informations de conducteur et génère des informations d'avertissement en fonction de l'état dangereux et de l'état de conducteur ; et une unité d'avertissement qui avertit le conducteur en fonction des informations d'avertissement.
PCT/KR2019/010702 2019-08-22 2019-08-22 Dispositif d'aide à la conduite sûre et procédé d'aide WO2021033813A1 (fr)

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Application Number Priority Date Filing Date Title
PCT/KR2019/010702 WO2021033813A1 (fr) 2019-08-22 2019-08-22 Dispositif d'aide à la conduite sûre et procédé d'aide

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Application Number Priority Date Filing Date Title
PCT/KR2019/010702 WO2021033813A1 (fr) 2019-08-22 2019-08-22 Dispositif d'aide à la conduite sûre et procédé d'aide

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WO2021033813A1 true WO2021033813A1 (fr) 2021-02-25

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120212353A1 (en) * 2011-02-18 2012-08-23 Honda Motor Co., Ltd. System and Method for Responding to Driver Behavior
KR20140076910A (ko) * 2012-12-13 2014-06-23 삼성전기주식회사 운전자 상태와 차량 주행 상태를 감시하는 시스템 및 방법
KR101563639B1 (ko) * 2014-06-20 2015-10-28 주식회사 성우모바일 차량용 경고 장치 및 차량 운전자에게 제공되는 단계별 운전자 경고 방법
KR20160133179A (ko) * 2015-05-12 2016-11-22 자동차부품연구원 통합 hvi기반 운전자 위험상황 판단 방법 및 장치
US20170262713A1 (en) * 2016-02-03 2017-09-14 Beijing Smarter Eye Technology Co. Ltd. Method and Device of Lane Departure Warning and Automobile Driving Assistance System

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120212353A1 (en) * 2011-02-18 2012-08-23 Honda Motor Co., Ltd. System and Method for Responding to Driver Behavior
KR20140076910A (ko) * 2012-12-13 2014-06-23 삼성전기주식회사 운전자 상태와 차량 주행 상태를 감시하는 시스템 및 방법
KR101563639B1 (ko) * 2014-06-20 2015-10-28 주식회사 성우모바일 차량용 경고 장치 및 차량 운전자에게 제공되는 단계별 운전자 경고 방법
KR20160133179A (ko) * 2015-05-12 2016-11-22 자동차부품연구원 통합 hvi기반 운전자 위험상황 판단 방법 및 장치
US20170262713A1 (en) * 2016-02-03 2017-09-14 Beijing Smarter Eye Technology Co. Ltd. Method and Device of Lane Departure Warning and Automobile Driving Assistance System

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