DE102004036119A1 - Driver assistance system for detecting tiredness and attentiveness, monitors pulse frequency using sensor in integral part of vehicle, and documents vehicle events - Google Patents
Driver assistance system for detecting tiredness and attentiveness, monitors pulse frequency using sensor in integral part of vehicle, and documents vehicle events Download PDFInfo
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- DE102004036119A1 DE102004036119A1 DE200410036119 DE102004036119A DE102004036119A1 DE 102004036119 A1 DE102004036119 A1 DE 102004036119A1 DE 200410036119 DE200410036119 DE 200410036119 DE 102004036119 A DE102004036119 A DE 102004036119A DE 102004036119 A1 DE102004036119 A1 DE 102004036119A1
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Classifications
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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
- B60W50/08—Interaction between the driver and the control system
- B60W50/14—Means for informing the driver, warning the driver or prompting a driver intervention
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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
- B60K28/066—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 actuating a signalling device
-
- 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
- B60W40/09—Driving style or behaviour
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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
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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
- B60W50/08—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
Abstract
Description
Die Erfindung betrifft ein Fahrerassistenzsystem zur Müdigkeitserkennung bzw. Aufmerksamkeitsbeurteilung eines Fahrzeugführers, insbesondere zur Erkennung des drohenden bzw. einsetzenden Sekundenschlafs, nach dem Oberbegriff des Anspruchs 1.The The invention relates to a driver assistance system for detecting fatigue or attention assessment of a vehicle driver, in particular for detection the impending or onset of microsleep, according to the preamble of claim 1.
Der Entwicklungstrend im Kfz-Bereich, bei diesem die Sicherheit an oberster Stelle steht, zeigt, dass Fahrerassistenzsysteme immer mehr an Bedeutung erlangen. Einer der Aufgabenschwerpunkt dieser Fahrerassistenzsysteme, die künftig vermehrt zum Einsatz gelangen, liegt im Aufgabenbereich der Müdigkeitsüberwachung/Müdigkeitserkennung bzw. Aufmerksamkeitsbeurteilung des Fahrzeugführers, damit dieser beispielsweise bei einem drohenden bzw. einsetzenden Sekundenschlaf gewarnt werden kann, sodass eine Gefährdung des Fahrzeugführers sowie anderer Verkehrsteilnehmer verhindert oder zumindest gemindert werden kann.Of the Development trend in the automotive sector, with this the security at the top Position shows that driver assistance systems are becoming increasingly important gain. One of the main tasks of these driver assistance systems, the future Increased use is the task of fatigue monitoring / fatigue detection or attention evaluation of the driver, so this example can be warned in case of imminent or incipient microsleep, so a danger of the driver as well other road users prevented or at least mitigated can.
Es sind bereits zahlreiche Systeme bekannt, bei diesen mittels unterschiedlichsten Methoden und Einrichtungen versucht wird, diese Aufgabenstellung zufriedenstellend bzw. mit einer entsprechenden Zuverlässigkeit zu lösen.It Many systems are already known, in these by means of a variety of Methods and equipment is attempted, this task satisfactory or to solve with a corresponding reliability.
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Die Aufgabe der vorliegenden Erfindung ist es daher, ein Fahrerassistenzsystem zur Müdigkeitserkennung bzw. Aufmerksamkeitsbeurteilung des Fahrzeugführers vorzustellen, mittels diesem, ohne dass der Fahrzeugführer hierzu „aktiv" eine Handlung vornehmen, oder eine Vorrichtung an sich anlegen muss, oder ein optisches System auf sich richten muss, bzw. sein Gesichtsfeld einem optischen System zuwenden muss, eine Beurteilung der Müdigkeitszustandes bzw. Aufmerksamkeitszustandes des Fahrzeugführers ermöglicht wird.The object of the present invention is therefore to provide a driver assistance system for fatigue to present recognition or attention evaluation of the vehicle driver by means of this, without the driver having to "act" actively to do this, or to apply a device to himself, or to have an optical system aimed at him, or his field of view must turn to an optical system, an assessment of the state of fatigue or attentiveness of the driver is made possible.
Diese Aufgabe wird durch eine Vorrichtung mit den Merkmalen nach Anspruch 1 gelöst. Vorteilhafte Weiterbildungen der Erfindung ergeben sind aus den Unteransprüchen, wobei auch Kombinationen und Weiterbildungen einzelner Merkmale miteinander denkbar sind.These The object is achieved by a device having the features according to claim 1 solved. Advantageous developments of the invention will become apparent from the Dependent claims, including combinations and developments of individual features are possible with each other.
Ein wesentlicher Gedanke der Erfindung besteht darin, dass die Pulsfrequenz bzw. eine plötzliche Änderung der Pulsfrequenz des Fahrzeugführers, welche als ein sicheres Beurteilungskriterium zur Müdigkeitserkennung bzw. Aufmerksamkeitsbeurteilung eines Fahrzeugführers herangezogen werden kann, mittels einer „passiv" („passiv": der Fahrzeugführer muss hierzu keine bewusste „aktive" Handlung ausführen) funktionierenden Erfassungsvorrichtung ermittelt und überwacht wird, um bei einer plötzlichen Änderung der Pulsfrequenz eine Aktion auszulösen, die der Sicherheit des Fahrzeugführers, und/oder der Verhinderung von Unfällen bzw. Reduzierung einer Unfallschwere sowie Dokumentation des Unfallhergangs, dient.One essential idea of the invention is that the pulse frequency or a sudden change the pulse rate of the driver, which as a safe assessment criterion for fatigue detection or attention evaluation of a vehicle driver can be used, by means of a "passive" ("passive": the driver must to do this no conscious "active" act) functioning Detection device is detected and monitored in order to sudden change the pulse rate to trigger an action that the safety of Driver, and / or preventing or reducing accidents Accident severity and documentation of the accident, serves.
Zur Erfassung und Überwachung der Pulsfrequenz des Fahrzeugführers verfügt das Fahrerassistenzsystem zur Müdigkeitserkennung und/oder Aufmerksamkeitsbeurteilung des Fahrzeugführers, neben einer Auswerteeinheit zur Auswertung der erfassten Pulsfrequenz, mindestens einem Sensor und/oder eine Sensoranordnung, eine aktivierbare Warnvorrichtung und/oder eine zur Aktivierung zur Verfügung stehende Warnvorrichtung, und eine Speichervorrichtung und/oder einer zur Speicherung von Informationen zur Verfügung stehende Speichervorrichtung. Das Fahrerassistenzsystem zur Müdigkeitserkennung und/oder Aufmerksamkeitsbeurteilung des Fahrzeugführers zeichnet sich dadurch aus, der Sensor und/oder die Sensoranordnung fahrzeugseitig mit dem Fahrzeug fest verbunden ist, bzw. ein integrierter Bestandteil des Fahrzeugs/eines Fahrzeugteils ist. Mittels des Sensors und/oder der Sensoranordnung, welche sich fahrzeugseitig am Lenkrad angeordnet, bzw. im Lenkrad integriert, befindet, und/oder fahrzeugseitig am Fahrersitz angeordnet, bzw. im Fahrersitz integriert, befindet, und/oder am Gangwahlhebel angeordnet, bzw. im Gangwahlhebel integriert, befindet wird die Pulsfrequenz des Fahrzeugführers kontinuierlich überwacht, damit bei einer plötzlichen Änderung der Pulsfrequenz um einen vorgegebenen Wert, die Warnvorrichtung aktiviert werden kann, und um zumindest bei einem außergewöhnlichen Fahrzeugereignis, welches mit dem Zeitraum der Änderung der Pulsfrequenz in Verbindung zu bringen ist, eine Dokumentation in der Speichervorrichtung vorgenommen bzw. veranlasst werden kann. Zur Erfassung der Pulsfrequenz genügt es, wenn der Fahrzeugführer den Fahrersitz belegt/besetzt bzw. mit einer Hand ans Lenkrad oder an den Gangwahlhebel greift.to Capture and monitoring the pulse rate of the driver has the driver assistance system for fatigue detection and / or attention evaluation of the driver, in addition an evaluation unit for evaluating the detected pulse frequency, at least one sensor and / or a sensor arrangement, an activatable warning device and / or a warning device available for activation, and a storage device and / or one for storing information to disposal standing storage device. The driver assistance system for fatigue detection and / or attention assessment of the driver draws thereby, the sensor and / or the sensor arrangement on the vehicle side is firmly connected to the vehicle, or an integrated component of the vehicle / vehicle part. By means of the sensor and / or the sensor arrangement which is arranged on the steering wheel on the vehicle side, or integrated in the steering wheel, located, and / or on the vehicle side on Driver's seat arranged or integrated in the driver's seat is located, and / or arranged on the gear selector lever, or integrated in the gear selector lever, the pulse frequency of the driver is continuously monitored, with a sudden change the pulse rate by a predetermined value, the warning device can be activated, and at least at an extraordinary Vehicle event, which coincides with the period of change of the pulse rate in Is a documentation in the storage device can be made or initiated. For recording the pulse rate enough it if the driver occupied / occupied the driver's seat or with one hand to the steering wheel or engages the gear selector lever.
Bei der Warnvorrichtung, über die das Fahrerassistenzsystem verfügt bzw. die dem Fahrerassistenzsystem zur Aktivierung zur Verfügung steht, handelt es sich um eine akustische und/oder optische und/oder haptische Warnvorrichtung, wobei die haptische Warnvorrichtung vorzugsweise auf das Lenkrad wirkt.at the warning device, about which has the driver assistance system or the driver assistance system available for activation is, it is an acoustic and / or optical and / or haptic warning device, wherein the haptic warning device preferably acts on the steering wheel.
Bei der Speichervorrichtung, handelt es sich analog wie bei der Warnvorrichtung, um eine fahrerassistenzsystemeigene Speichervorrichtung, oder um eine dem Fahrerassistenzsystem zur Verfügung stehenden Speichervorrichtung. Die Speichervorrichtung wird insbesondere dafür benötigt, dass das Fahrerassistenzsystem in der Lage ist, im Falle eines außergewöhnlichen Fahrzeugereignis, insbesondere eines Unfalls, quasi als Hilfsmittel zur Rekonstruktion des außergewöhnlichen Fahrzeugereignis alle relevanten Daten (z.B. Müdigkeitszustand des Fahrers, Fahrzeuggeschwindigkeit), welche im Zeitraum des außergewöhnlichen Fahrzeugereignisses vorherrschten, oder mit dem Zeitraum der Änderung der Pulsfrequenz in Verbindung zu bringen sind, aufzeichnen zu können. Auf diese Weise lässt sich nachträglich leicht Rekonstruieren, bzw. ein Nachweis führen, ob das außergewöhnliche Fahrzeugereignis auf einen Sekundenschlaf oder einsetzenden Sekundenschlaf zurückzuführen ist oder nicht.at the storage device, it is analogous to the warning device, to a driver assistance system own storage device, or a storage device available to the driver assistance system. The memory device is required in particular for the driver assistance system is capable, in the event of an exceptional vehicle event, of in particular an accident, as a kind of aid to the reconstruction of the extraordinary Vehicle event all relevant data (e.g., driver's tiredness condition, vehicle speed), which in the period of the extraordinary Vehicle event prevailed, or with the period of the change the pulse rate are to be associated to be able to record. On that way later easily reconstruct, or provide evidence of whether the extraordinary Vehicle event to a microsleep or onset of microsleep is due or not.
Bei den vorgegebenen Wert, und/oder vorgegebenen Werten, zur Beurteilung eines Müdigkeitszustandes und/oder einer Ausnahmesituation, bzw. zur Aktivierung einer oder mehrerer der Warnvorrichtung/en und/oder Einleitung eines Informations-Speichervorganges und/oder Bildung des Alert-Informationssignals bzw. Triggerzeitpunktes für eine mit dem Fahrerassistenzsystem verbundenen weiteren Einheit, insbesondere Insassenschutzsystem oder Unfallaufzeichnungssystem, sofern die Pulsfrequenz des Fahrzeugführers einen dieser Werte erreicht, kann es sich je nach Applikationsausführung des Fahrerassistenzsystems, um einen festen Wert bzw. festen Grenzwert oder um einen variablen Wert bzw. variablen Grenzwert handeln, wobei der feste Wert bzw. feste Grenzwert, vorzugsweise dem jeweiligen erkannten Fahrer zugeordnet ist.at the predetermined value, and / or predetermined values, for evaluation a state of tiredness and / or an exceptional situation, or to activate an or more of the warning device (s) and / or initiation of an information storage operation and / or formation of the alert information signal or trigger time for one associated with the driver assistance system further unit, in particular Occupant protection system or accident recording system, provided the pulse rate of the driver If one of these values is reached, it can vary depending on the application version of the Driver assistance system, by a fixed value or fixed limit or to a variable value or variable limit, where the fixed value or fixed limit value, preferably the respective one recognized driver is assigned.
Bei den variablen Werten bzw. die variablen Grenzwerte/n handelt es sich je um einen Wert bzw. Grenzwert, welche/r um einen Differenzwert abweichend von den typischen vorangegangenen durchschnittlichen Pulsfrequenzwert liegen, wobei der variable Wert bzw. variable Grenzwert (ähnlich dem festen Wert), zur Detektion eines Sekundenschlafs oder einsetzenden Sekundenschlafs (bei einem plötzlicher Abfall der Pulsfrequenz), um einen Differenzwert niedriger, von den typischen vorangegangenen durchschnittlichen Pulsfrequenzwert, liegt, und der variable Wert bzw. variable Grenzwert (ähnlich dem festen Grenzwert), zur Bildung eines Alert-Informationssignals bzw. Triggerzeitpunktes für Unfalldatenaufzeichnungssysteme, oder Systeme geeignet zur Unfalldatenaufzeichnung, und/oder zur Bildung einer Pre-Crash-Information oder Alertsignal für ein Insassenschutzsystem (bei einem plötzlicher Anstieg der Pulsfrequenz), um einen Differenzwert höher, von den typischen vorangegangenen durchschnittlichen Pulsfrequenzwert, liegt.The variable values or the variable limit values / n are each a value or limit which deviates by a difference value from the typical previous average pulse rate values, the variable value (similar to the fixed value), for detecting a microsleep or onset of microsleep (in the case of a sudden drop in the pulse rate) lower by a differential value, from the typical previous average Pulse frequency value is, and the variable value or variable limit (similar to the fixed limit), to form an alert information signal or trigger time for accident data recording systems, or systems suitable for accident data recording, and / or to form a pre-crash information or alert signal for an occupant protection system (in the case of a sudden increase in the pulse rate), by a difference value higher, from the typical previous average pulse rate value.
Bei dem mit dem Fahrerassistenzsystem verbundenen nicht näher dargestellten Insassenschutzsystem, handelt es sich vorzugsweise um ein Rückhaltesystem, insbesondere Airbag- und Gurtstraffersystem, und/oder ein Überrollsystem, und/oder ein Antischleudersystem, und/oder ein unfallvermeidendes/unfallverminderndes System, insbesondere einer Brems- und/oder Lenkwinkelbeeinflussung, mittels diesen bei Erkennung einer Gefahrensituation, beispielsweise eine automatische unfallvermeidende/unfallvermindernde Reaktion, wie eine Aktivierung der Bremsen bzw. Bremsbereitschaft und/oder Geschwindigkeitsreduzierung und/oder Lenkwinkelbeeinflussung zur Umgehung eines Hindernisses und/oder Anpassung der Auslöseschwellen bei Rückhaltesystemen, eingeleitet werden kann.at the not connected to the driver assistance system not shown Occupant protection system, is preferably a restraint system, in particular airbag and belt tensioner system, and / or a rollover system, and / or an anti-skid system, and / or accident avoidance / accident mitigation System, in particular a braking and / or steering angle influencing, by means of this when detecting a dangerous situation, for example an automatic accident avoidance / accident reducing reaction, as an activation of the brakes or braking readiness and / or Speed reduction and / or steering angle control for Avoiding an obstacle and / or adjusting the tripping thresholds in restraint systems, can be initiated.
Weitere Vorteile und Anwendungsmöglichkeiten der vorliegenden Erfindung ergeben sich aus der nachfolgenden Beschreibung in Verbindung mit dem in den Figuren dargestellten Ausführungsbeispiels an einem Kraftfahrzeug/Personenkraftwagen.Further Advantages and applications The present invention will become apparent from the following description in connection with the embodiment shown in the figures on a motor vehicle / passenger car.
In der Beschreibung, in den Ansprüchen, in der Zusammenfassung und in den dazugehörenden Zeichnungen werden die in der hinten angeführten Liste der Bezugszeichen verwendeten Begriffe und zugeordneten Bezugszeichen verwendet.In the description, in the claims, in the abstract and in the accompanying drawings the in the list below the reference numbers used terms and associated reference numerals used.
Die
Erfindung wird nun nachfolgend anhand eines Ausführungsbeispieles unter Zuhilfenahme
der
Es zeigenIt demonstrate
Der
Fahrzeugführer
(
Die
Auswerteeinheit (
Das
Fahrerassistenzsystem (
Weiterhin
besitzt das Fahrerassistenzsystem (
Wie
aus der Figur weiter ersichtlich ist, ist das Fahrerassistenzsystem
(
Wie
aus der Darstellung ersichtlich ist, schwankt die Pulsfrequenz (
Die
plötzliche Änderung
der Pulsfrequenz (
Wie
aus der Darstellung ersichtlich ist, schwankt die Pulsfrequenz (
Die
plötzliche Änderung
der Pulsfrequenz (
- 11
- FahrerassistenzsystemDriver assistance system
- 22
- Fahrzeugführerdriver
- 33
- Auswerteeinheitevaluation
- 44
- Sensor/SensoranordnungSensor / sensor arrangement
- 55
- Warnvorrichtungwarning device
- 5.15.1
- Akustische Warnvorrichtungacoustic warning device
- 5.25.2
- Optische Warnvorrichtungoptical warning device
- 5.35.3
-
Haptische
Warnvorrichtung (am/im Lenkrad
7 )Haptic warning device (on / in the steering wheel7 ) - 66
- Speichervorrichtungstorage device
- 77
- Lenkradsteering wheel
- 88th
- Sitz/Fahrzeugführersitz/FahrersitzSeat / driver seat / driver's seat
- 99
- GangwahlhebelGear selector
- 1010
- Insassenschutzsystem/InsassenschutzvorrichtungOccupant protection system / occupant protection device
- 1111
- Pulsfrequenz/PulsfrequenzverlaufHeart rate / pulse rate history
- 1212
- Durchschnittliche Pulsfrequenz/Durchschnittlicher Pulsfrequenzwertaverage Pulse Rate / Average Pulse Rate Value
- 1313
- Fester vorgegebener Grenzwert/fester vorgegebener WertFester predetermined limit value / fixed preset value
- 1414
- Variabler Grenzwert/variabler Wertvariable Limit value / variable value
- 1515
- Differenzwert/Delta-WertDifference value / delta value
- 1616
- Triggerzeitpunkt/Alertzeitpunkt/WarnsignalzeitpunktTrigger time / Alert time / alarm time
- 1717
- Änderung der Pulsfrequenzmodification the pulse rate
- 17.117.1
- Abfall der Pulsfrequenzwaste the pulse rate
- 17.217.2
- Anstieg der Pulsfrequenzrise the pulse rate
Claims (21)
Priority Applications (1)
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DE200410036119 DE102004036119B4 (en) | 2004-07-24 | 2004-07-24 | Driver assistance system for fatigue detection or attention evaluation of a driver |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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DE200410036119 DE102004036119B4 (en) | 2004-07-24 | 2004-07-24 | Driver assistance system for fatigue detection or attention evaluation of a driver |
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DE102004036119A1 true DE102004036119A1 (en) | 2006-02-16 |
DE102004036119B4 DE102004036119B4 (en) | 2007-06-28 |
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DE200410036119 Expired - Fee Related DE102004036119B4 (en) | 2004-07-24 | 2004-07-24 | Driver assistance system for fatigue detection or attention evaluation of a driver |
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DE102006050017A1 (en) * | 2006-10-24 | 2008-04-30 | Volkswagen Ag | Motor vehicle i.e. land vehicle, has operating device for operating function of vehicle or function, which is connected with vehicle, where operating device comprises controller for adapting arrangement of device to condition of driver |
WO2008064943A1 (en) * | 2006-11-28 | 2008-06-05 | Robert Bosch Gmbh | Driver assistance system with presence monitoring |
DE102009016936A1 (en) | 2009-04-08 | 2009-11-19 | Daimler Ag | Driver assistance system for assisting vehicle's driver during tiredness, has tiredness recognition system to recognize driver's tiredness, where hazard warning signal of vehicle is activated for warning road users during tiredness |
EP2316340A1 (en) * | 2009-10-27 | 2011-05-04 | Fraunhofer-Gesellschaft zur Förderung der Angewandten Forschung e.V. | Signal recording device for recording a difference signal for the electrical measurement of a vital parameter of a living being, electrode assembly and method |
US7982618B2 (en) | 2007-01-29 | 2011-07-19 | Denso Corporation | Wakefulness maintaining apparatus and method of maintaining wakefulness |
DE102011114661A1 (en) | 2011-09-30 | 2012-04-05 | Daimler Ag | Method for operation of driver assistance system for e.g. detecting tiredness of driver lorry, involves transmitting control signal to engine control device and/or warning device by processing unit based on pulse rate and skin conductance |
DE102012011084A1 (en) | 2012-06-02 | 2013-03-07 | Daimler Ag | Method for assisting driver of vehicle in route planning and route guidance in traffic route network, involves determining degree of fatigue of driver, where date, time and intermediate target of trip are determined based on fatigue degree |
WO2014063854A1 (en) * | 2012-10-23 | 2014-05-01 | Robert Bosch Gmbh | Method for operating at least one driver assistance system and operating device for at least one driver assistance system |
DE102013001573A1 (en) | 2013-01-30 | 2014-07-31 | Carl Zeiss Vision International Gmbh | Device for protecting machine operator or vehicle driver from use of unsuitable or unacceptable glasses for driving vehicle e.g. car, has output device that outputs warning signal to driver of vehicle or machine operator |
DE102013002686B4 (en) * | 2013-02-15 | 2017-03-23 | Audi Ag | Method for operating a motor vehicle and motor vehicles |
DE102016007255A1 (en) * | 2016-06-15 | 2017-12-21 | Audi Ag | Garment with integrated sensor device, method of using the garment in a plurality of automobiles, system comprising a motor vehicle and a garment |
CN107662616A (en) * | 2016-07-28 | 2018-02-06 | 福特全球技术公司 | Vehicle user communication system and method |
CN110182050A (en) * | 2019-05-04 | 2019-08-30 | 王飞 | Fatigue driving intelligent controls speed limit parking device |
DE102019215351A1 (en) * | 2019-10-07 | 2021-04-08 | Volkswagen Aktiengesellschaft | Emergency information system for a vehicle and method for operating the same |
CN114512030A (en) * | 2014-06-23 | 2022-05-17 | 株式会社电装 | Driving incapability state detection device for driver |
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DE102008051388A1 (en) | 2008-10-11 | 2010-04-15 | Daimler Ag | Driver attention assessing device for detecting micro-sleep of driver during long night travel, has warning unit for warning driver if micro-sleep of driver is detected, and sensor unit arranged/integrated in seat belt of driver's seat |
DE102011111433B4 (en) | 2011-08-25 | 2015-12-10 | Günter Fendt | Motor vehicle driver identification system, and method for this |
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