DE10135742A1 - Motor vehicle with automatic viewing-direction detection system, detects when vehicle driver is insufficiently attentive with regard to road conditions - Google Patents

Motor vehicle with automatic viewing-direction detection system, detects when vehicle driver is insufficiently attentive with regard to road conditions

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Publication number
DE10135742A1
DE10135742A1 DE10135742A DE10135742A DE10135742A1 DE 10135742 A1 DE10135742 A1 DE 10135742A1 DE 10135742 A DE10135742 A DE 10135742A DE 10135742 A DE10135742 A DE 10135742A DE 10135742 A1 DE10135742 A1 DE 10135742A1
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automatic
driver
vehicle
motor vehicle
detection
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Bernd Woltermann
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Mercedes Benz Group AG
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DaimlerChrysler AG
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    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/02—Alarms for ensuring the safety of persons
    • G08B21/06—Alarms for ensuring the safety of persons indicating a condition of sleep, e.g. anti-dozing alarms
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/16—Devices for psychotechnics; Testing reaction times ; Devices for evaluating the psychological state
    • A61B5/163—Devices for psychotechnics; Testing reaction times ; Devices for evaluating the psychological state by tracking eye movement, gaze, or pupil change
    • 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
    • B60K31/00—Vehicle fittings, acting on a single sub-unit only, for automatically controlling vehicle speed, i.e. preventing speed from exceeding an arbitrarily established velocity or maintaining speed at a particular velocity, as selected by the vehicle operator
    • B60K31/0008—Vehicle fittings, acting on a single sub-unit only, for automatically controlling vehicle speed, i.e. preventing speed from exceeding an arbitrarily established velocity or maintaining speed at a particular velocity, as selected by the vehicle operator including means for detecting potential obstacles in vehicle path
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/16—Anti-collision systems
    • G08G1/166—Anti-collision systems for active traffic, e.g. moving vehicles, pedestrians, bikes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
    • A61B3/10—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions
    • A61B3/113—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for determining or recording eye movement
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/16—Devices for psychotechnics; Testing reaction times ; Devices for evaluating the psychological state
    • A61B5/18—Devices for psychotechnics; Testing reaction times ; Devices for evaluating the psychological state for vehicle drivers or machine operators
    • 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
    • B60T2201/00—Particular use of vehicle brake systems; Special systems using also the brakes; Special software modules within the brake system controller
    • B60T2201/02—Active or adaptive cruise control system; Distance control
    • B60T2201/022—Collision avoidance systems
    • 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
    • B60W2540/22—Psychological state; Stress level or workload
    • 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
    • B60W2554/00—Input parameters relating to objects

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  • Health & Medical Sciences (AREA)
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  • Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
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  • Developmental Disabilities (AREA)
  • Medical Informatics (AREA)
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  • Business, Economics & Management (AREA)
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  • Child & Adolescent Psychology (AREA)
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  • Traffic Control Systems (AREA)

Abstract

The vehicle comprises systems for automatic viewing-direction detection, automatic detection of obstacles, automatic vehicle control and/or for spacing-distance control. The type of operation is provided in which the systems for automatic detection, control and/or spacing-distance control are activated when the system for automatic direction detection establishes a lack of attention by the driver. These systems are made inactive when the system for automatic direction of viewing detection establishes that the driver is sufficiently attentive. An Independent claim is given for a method of operating a vehicle equipped with an automatic viewing direction detection system.

Description

Die Erfindung betrifft ein Kraftfahrzeug mit automatischer Blickrichtungserkennung und ein Verfahren zu dessen Betrieb. The invention relates to a motor vehicle with automatic Viewing direction recognition and a method for its operation.

Kraftfahrer werden durch eine Vielzahl von Umgebungsbedingungen abgelenkt und konzentrieren sich häufig nicht auf den Straßenverkehr vor ihrem Fahrzeug. Dadurch kommt es häufig zu Verkehrsunfällen, insbesondere auch mit schwächeren Verkehrsteilnehmern wie Fußgängern und Zweiradfahrern. Motorists are driven by a variety of environmental conditions distracted and often do not focus on the Road traffic in front of their vehicle. This often happens Traffic accidents, especially with weaker ones Road users such as pedestrians and cyclists.

Um die Gefahr von Verkehrsunfällen durch Ablenkung des Fahrers zu verringern, hat man Systeme zur Blickrichtungserkennung entwickelt, bei denen eine Kamera die Augen des Fahrers beobachtet, und wenn das System erkennt, dass der Fahrer nicht nach vorne auf die Straße blickt, wird z. B. ein Warnton erzeugt. Die US 6 082 764 zeigt ein Kraftfahrzeug mit einem System für automatische Blickrichtungserkennung und einem System für automatische Hinderniserkennung, bei dem ein Rückhaltesystem voraktiviert wird, indem u. a. ein Gurtstraffer betätigt wird, wenn das System für automatische Blickrichtungserkennung mangelnde Aufmerksamkeit des Fahrers des Kraftfahrzeuges feststellt und das System für automatische Hinderniserkennung eine drohende Kollision feststellt. Dies verbessert zwar den Schutz der Insassen des Kraftfahrzeuges, nicht aber denjenigen anderer Verkehrsteilnehmer. To reduce the risk of traffic accidents by distraction of the driver To reduce, one has systems for viewing direction detection Designed with a camera the eyes of the driver observed, and when the system detects that the driver is not following looks out on the street, z. B. generates a warning sound. US 6 082 764 shows a motor vehicle with a system for automatic sight line detection and a system for automatic obstacle detection, in which a restraint system is preactivated by u. a. a belt tensioner is operated when the system for automatic sight line detection lacking Attention of the driver of the motor vehicle determines and the system for automatic obstacle detection an impending Collision. Although this improves the protection of Inmates of the motor vehicle, but not those of others Road users.

Der Erfindung liegt die Aufgabe zugrunde, ein System für automatische Blickrichtungserkennung und ein System für automatische Hinderniserkennung derart zu kombinieren, dass die allgemeine Verkehrssicherheit erhöht wird. The invention has for its object to provide a system for automatic sight line detection and a system for automatic obstacle detection to combine such that the general traffic safety is increased.

Diese Aufgabe wird durch ein Kraftfahrzeug gemäß Patentanspruch 1 und ein Verfahren gemäß Patentanspruch 2 gelöst. This object is achieved by a motor vehicle according to claim 1 and a method according to claim 2 solved.

Bei der Erfindung wird der Fahrer nicht einfach nur gewarnt, wenn eine Unaufmerksamkeit und eine drohende Kollision erkannt werden, sondern das Fahrzeug reagiert selbsttätig durch Abbremsen oder eventuell Lenkbewegungen, um die drohende Kollision sicher abzuwenden. In the invention, the driver is not simply warned when an inattention and an imminent collision are detected but the vehicle reacts automatically Braking or possibly steering movements to the impending collision safely avert.

Anstelle eines System für automatische Hinderniserkennung oder zusätzlich kann auch ein System für Abstandsregelung (ACC - Autonomous Cruise Control) verwendet werden, das ein vorausfahrendes Fahrzeug erkennt und durch Betätigung von Gas und Bremse den Abstand zum vorausfahrenden Fahrzeug konstant hält und manchmal auch durch Lenkeingriff die Spur hält. Solche Systeme sind normalerweise für höhere Geschwindigkeiten ausgelegt und müssen vom Fahrer aktiviert werden. Innerhalb geschlossener Ortschaften sollen sie nicht benutzt werden. ACC-Systeme, die im Falle eines Verkehrsstaus den Wagen automatisch beschleunigen und bremsen lassen, sind zwar geplant, aber aus Sicherheitsgründen noch nicht zugelassen. Instead of a system for automatic obstacle detection or In addition, a system for distance control (ACC - Autonomous Cruise Control) can be used vehicle ahead recognizes and by pressing gas and brake keeps the distance to the vehicle ahead constant and sometimes keeps track by steering intervention. Such systems are usually designed for higher speeds and must be activated by the driver. Within closed Villages should not be used. ACC systems that in case of traffic jam the car automatically accelerate and brake, are planned, but off For safety reasons not yet approved.

Die Erfindung ermöglicht es, ein ACC-System auch außerhalb der zugelassenen Geschwindigkeitsbereiche zu nutzen, indem es nur dann aktiviert wird, wenn das System für automatische Blickrichtungserkennung mangelnde Aufmerksamkeit des Fahrers des Kraftfahrzeuges feststellt. Nur in diesem Fall reagiert das ACC-System auf ein Abbremsen des vorausfahrenden Fahrzeuges oder auch auf eine drohende Kollision mit irgendeinem anderen Hindernis, das seine Sensoren normalerweise ebenfalls erfassen können, durch aktiven Bremseingriff. Sobald der Fahrer wieder auf die Straße vor ihm blickt, kann das ACC-System bzw. das System für automatische Hinderniserkennung wieder deaktiviert werden. The invention makes it possible to use an ACC system outside the to use approved speed ranges by only then activated when the system for automatic Viewing direction recognition lacking driver's attention Motor vehicle determines. Only in this case does it react ACC system on a deceleration of the preceding vehicle or even a threatening collision with any other Obstacle that its sensors normally also detect can, by active braking intervention. As soon as the driver returns looks at the road in front of him, the ACC system or the System for automatic obstacle detection deactivated again become.

In einer bevorzugten Ausführungsform werden das System für automatische Hinderniserkennung und automatische Fahrzeugsteuerung und/oder das System für Abstandsregelung erst dann aktiviert, wenn das System für automatische Blickrichtungserkennung eine vorbestimmte Zeit lang mangelnde Aufmerksamkeit des Fahrers des Kraftfahrzeuges festgestellt hat, damit nicht schon ein kurzer Blick in den Rückspiegel oder zur Seite als Unaufmerksamkeit gewertet wird. Vorzugsweise ist die zeitliche Verzögerung der Systemaktivierung kein fester Wert, sondern der Fahrer kann sie zu seinem Fahrstil passend einstellen. So eine zeitliche Verzögerung kann auch für die Systemdeaktivierung vorgesehen werden. In a preferred embodiment, the system for automatic obstacle detection and automatic Vehicle control and / or the system for distance control only then activated when the system is for automatic Gaze detection for a predetermined time lack of attention the driver of the motor vehicle has determined so that not Just a quick look in the rearview mirror or to the side than Inattention is scored. Preferably, the temporal Delay of system activation no fixed value, but the Driver can adjust it to suit his driving style. Such a Delay time can also be used for system deactivation be provided.

Die erfindungsgemäße Kopplung von Komfort-Systemen wie ACC und/oder Systemen für automatische Hinderniserkennung mit Systemen für automatische Blickrichtungserkennung bietet einen deutlich höheren Sicherheitsstandard als reine Warnkonzepte, da eine Warnung zu spät sein kann, weil der Fahrer erst reagieren muss, oder da der Fahrer möglicherweise falsch reagiert. The inventive coupling of comfort systems such as ACC and / or automatic obstacle detection systems Systems for automatic line of sight recognition offers one much higher safety standard than pure warning concepts, since A warning may be too late because the driver will respond first or because the driver may react incorrectly.

Durch das erfindungsgemäße Betreiben der Systeme im Falle einer Unaufmerksamkeit des Fahrers können Spezifikationen, wann der Fahrer eine ACC aus Bequemlichkeit einschalten kann und wann sie wieder ausgeschaltet werden muss, außer Acht gelassen werden: Das Fahrzeug übernimmt die Kontrolle in dem Moment, in dem der Fahrer nicht in der Lage ist, auf mögliche Hindernisse zu reagieren, da er diese nicht sehen kann. Vorzugsweise werden zusätzlich Warnsignale erzeugt, damit der Fahrer auch direkt auf mögliche Hindernisse hingewiesen wird. By operating the systems according to the invention in the case of Inattention of the driver may have specifications when the Driver can turn on an ACC for convenience and when she has to be switched off again, ignored The vehicle takes control at the moment in which the driver is unable to respond to potential obstacles because he can not see them. Preferably In addition, warning signals generated, so that the driver also directly is pointed out to possible obstacles.

Die Blickrichtungserkennung stellt ein verstecktes "Bedienungselement" dar: Ist der Blick des Fahrers nicht auf die Straße vor dem Fahrzeug gerichtet, wird ein Sicherheitssystem aktiviert, welches in Falle einer drohenden Kollision in der Lage ist, das Fahrzeug sicher abzubremsen, eventuell auch um ein Hindernis herum zu lenken, wenn die Fahrzeugelektronik über entsprechende Selbststeuerintelligenz verfügt. Sobald der Fahrer wieder auf den Straßenverkehr vor ihm achtet, wird das Sicherheitssystem wieder deaktiviert. The line of sight recognition makes a hidden "Operating element" is: the driver's gaze is not on the road In front of the vehicle is a security system activated, which in case of imminent collision able is to brake the vehicle safely, possibly also to one Steer around obstacle when the vehicle electronics over corresponding self-control intelligence. As soon as the Driver on the road in front of him, that will be Security system disabled again.

Weitere Merkmale und Vorteile der Erfindung ergeben sich aus der folgenden Beschreibung eines Ausführungsbeispiels anhand der Zeichnung. Deren einzige Figur zeigt ein Flussdiagramm zur Erläuterung des Betriebe eines Kraftfahrzeuges mit einem System für automatische Blickrichtungserkennung und einem System für automatische Hinderniserkennung und automatisches Abbremsen. Other features and advantages of the invention will become apparent the following description of an embodiment based the drawing. Their only figure shows a flow chart for Explanation of the operation of a motor vehicle with a system for automatic line of sight recognition and a system for automatic obstacle detection and automatic braking.

Die Blickrichtungserkennung ist im Fahrbetrieb immer aktiv (Verfahrensschritt S1), und wenn sie erkennt, dass der Fahrer nicht auf die Straße blickt, (Verfahrensschritt S2) schaltet sie das System für Hinderniserkennung und automatisches Abbremsen ein (Verfahrensschritt S3). Statt des Systems für Hinderniserkennung kann ein System für Abstandsregelung (ACC - Autonomous Cruise Control) vorgesehen sein, das ohnehin für aktiven Bremseingriff eingerichtet ist. Wird im Verfahrensschritt S4 ein Hindernis erkannt (bzw. bei einem ACC-System ein Abbremsen des vorausfahrenden Fahrzeuges erkannt), wird das Fahrzeug automatisch gebremst und wird der Fahrer durch einen Warnton informiert (Verfahrensschritt S5). Wenn die Blickrichtungserkennung erkennt, dass der Fahrer wieder auf die Straße blickt (Verfahrensschritt S6), wird das System für Hinderniserkennung bzw. ACC wieder in einen Ruhezustand versetzt (Verfahrensschritt S7), damit der Fahrer die volle Kontrolle über das Fahrzeug zurück erhält. The viewing direction detection is always active while driving (Step S1), and when it recognizes that the driver does not look at the road, (step S2) switches they are the system for obstacle detection and automatic Braking (step S3). Instead of the system for Obstacle detection can be a system for distance control (ACC - Autonomous Cruise Control) be provided anyway for active brake intervention is set up. Will be in Process step S4 detected an obstacle (or in an ACC system Braking of the vehicle ahead), the Vehicle is braked automatically and the driver becomes by one Warning sound informed (step S5). If the Line of sight recognition detects that the driver is back on the road looks at (step S6), the system for Obstacle detection or ACC again put into a state of rest (Step S7) to allow the driver full control over the vehicle gets back.

Claims (4)

1. Kraftfahrzeug mit einem System für automatische Blickrichtungserkennung und einem System für automatische Hinderniserkennung und automatische Fahrzeugsteuerung und/oder einem System für Abstandsregelung, wobei eine Betriebsart vorgesehen ist, in der das System für automatische Hinderniserkennung und automatische Fahrzeugsteuerung und/oder das System für Abstandsregelung aktiv sind, wenn das System für automatische Blickrichtungserkennung mangelnde Aufmerksamkeit des Fahrers des Kraftfahrzeuges feststellt, und inaktiv sind, wenn das System für automatische Blickrichtungserkennung Aufmerksamkeit des Fahrers feststellt. 1. Motor vehicle with a system for automatic Gaze detection and a system for automatic Obstacle detection and automatic vehicle control and / or a System for distance control, with a mode provided is in which the system for automatic obstacle detection and automatic vehicle control and / or the system for Distance control are active when the system for automatic Line of sight recognition Lack of attention of the driver of the motor vehicle, and are inactive when the System for automatic line of sight recognition attention of the driver. 2. Verfahren zum Betrieb eines Kraftfahrzeuges mit einem System für automatische Blickrichtungserkennung und einem System für automatische Hinderniserkennung und automatische Fahrzeugsteuerung und/oder einem System für Abstandsregelung, wobei das System für automatische Hinderniserkennung und automatische Fahrzeugsteuerung und/oder das System für Abstandsregelung aktiviert werden, wenn das System für automatische Blickrichtungserkennung mangelnde Aufmerksamkeit des Fahrers des Kraftfahrzeuges feststellt, und deaktiviert werden, wenn das System für automatische Blickrichtungserkennung Aufmerksamkeit des Fahrers feststellt. 2. Method for operating a motor vehicle with a system for automatic line of sight recognition and a system for automatic obstacle detection and automatic Vehicle control and / or a system for distance control, wherein the System for automatic obstacle detection and automatic Vehicle control and / or the system for distance control be activated when the system for automatic Viewing direction recognition lacking driver's attention Motor vehicle determines, and be disabled when the system for automatic gaze detection attention of Driver determines. 3. Verfahren nach Anspruch 2, dadurch gekennzeichnet, dass das System für automatische Hinderniserkennung und automatische Fahrzeugsteuerung und/oder das System für Abstandsregelung aktiviert werden, wenn das System für automatische Blickrichtungserkennung eine vorbestimmte Zeit lang mangelnde Aufmerksamkeit des Fahrers des Kraftfahrzeuges festgestellt hat. 3. The method according to claim 2, characterized in that the System for automatic obstacle detection and automatic Vehicle control and / or the system for distance control be activated when the system for automatic Viewing direction detection for a predetermined time lacking Has noticed the attention of the driver of the motor vehicle. 4. Verfahren nach Anspruch 2 oder 3, dadurch gekennzeichnet, dass das System für automatische Hinderniserkennung und automatische Fahrzeugsteuerung und/oder das System für Abstandsregelung deaktiviert werden, wenn das System für automatische Blickrichtungserkennung eine vorbestimmte Zeit lang Aufmerksamkeit des Fahrers des Kraftfahrzeuges festgestellt hat. 4. The method according to claim 2 or 3, characterized that the system for automatic obstacle detection and automatic vehicle control and / or the system for Distance control can be disabled when the system for automatic Viewing direction recognition for a predetermined time Has noticed the attention of the driver of the motor vehicle.
DE10135742A 2001-07-21 2001-07-21 Motor vehicle with automatic viewing-direction detection system, detects when vehicle driver is insufficiently attentive with regard to road conditions Withdrawn DE10135742A1 (en)

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