DE102008004908A1 - Motor vehicle, has control device outputting reference signal in intervals and detecting reaction time of driver to reference signal, where control device controls vehicle components for outputting reference signal - Google Patents

Motor vehicle, has control device outputting reference signal in intervals and detecting reaction time of driver to reference signal, where control device controls vehicle components for outputting reference signal

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Publication number
DE102008004908A1
DE102008004908A1 DE200810004908 DE102008004908A DE102008004908A1 DE 102008004908 A1 DE102008004908 A1 DE 102008004908A1 DE 200810004908 DE200810004908 DE 200810004908 DE 102008004908 A DE102008004908 A DE 102008004908A DE 102008004908 A1 DE102008004908 A1 DE 102008004908A1
Authority
DE
Germany
Prior art keywords
motor vehicle
driver
reference signal
characterized
stimulus
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
DE200810004908
Other languages
German (de)
Inventor
Harald Berninger
Thomas Schramm
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GM Global Technology Operations LLC
Original Assignee
GM Global Technology Operations LLC
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.)
Filing date
Publication date
Application filed by GM Global Technology Operations LLC filed Critical GM Global Technology Operations LLC
Priority to DE200810004908 priority Critical patent/DE102008004908A1/en
Publication of DE102008004908A1 publication Critical patent/DE102008004908A1/en
Application status is Withdrawn legal-status Critical

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Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00Detecting, measuring or recording for diagnostic purposes; Identification of persons
    • A61B5/16Devices for psychotechnics; Testing reaction times ; Devices for evaluating the psychological state
    • A61B5/18Devices for psychotechnics; Testing reaction times ; Devices for evaluating the psychological state for vehicle drivers or machine operators

Abstract

The vehicle has a control device (3) for outputting a reference signal in intervals and for detecting a reaction time of a driver (2) to the reference signal to determine an awareness level of the driver from the reaction time or failure of a reaction. The control device controls vehicle components (7) for outputting the reference signal, and a magnitude of the reference signal is varied. The control device is connected with an actuating device (5) associated with the vehicle components. An optical and/or acoustic warning signal is outputted.

Description

  • The The invention relates to a motor vehicle with a control unit for Output of at least one stimulus signal and for detection of a Reaction time of a driver on the stimulus signal to get out of the reaction time to get a driver's attention.
  • Especially on long highway trips in the dark or at Tunnel passage can be an inattention of a driver Motor vehicle cause that he z. B. unintentionally his lane and therefore a serious accident comes. Even severe fatigue can lead to inattention lead the driver. There are different systems in motor vehicles familiar with which monitors the attention of the driver and optionally a warning signal can be issued. Under another eyelid movement of the driver can be visually detected and therefrom be closed, whether the driver attentive or overtired is.
  • The CH 612 340 describes a method for controlling the reaction time of motor vehicle drivers, in which an optical or acoustic stimulus signal can be output and subsequently a reaction time, for example, for actuating a transmission, a brake or a clutch can be detected. From the reaction time can be determined on the attention of the driver. However, for this purpose, the driving condition of the motor vehicle, for example by pressing the brake, must be actively changed.
  • Furthermore, the disclosure DE 34 47 536 A1 a device for maintaining the alertness of a motor vehicle driver with a stimulus signal generating device. If such a stimulus signal is output, an additional foot pedal must be pressed to acknowledge the stimulus signal. Otherwise, an inattentiveness of the driver is closed and issued a warning signal. However, this requires an additional foot pedal.
  • From the DE 103 11 895 A1 a system for the sleep detection of a motor vehicle driver is known, in which there are means that require a repeated and independent of the driving of the motor vehicle, always the same action intervention by the driver. By this monotony itself, however, again inattentiveness of the driver can be caused.
  • In addition, the shows DE 10 2005 026 479 A1 a method for inattentiveness detection of a driver of a motor vehicle. In this case, after a steering rest phase, ie when the steering wheel is not moved, a subsequent steering action monitored and closed from the size of the steering action, such as a quick return to the straight lane, on an inattentiveness of the driver. However, a corresponding warning signal may possibly be issued too late if the driver has already left his lane.
  • Finally, that is EP 0 030 021 A2 to take a device for monitoring the level of alertness of a motor vehicle driver, in which it is monitored what effects the actions of the driver have on the energy balance of the motor vehicle. If no change occurs, so the driver does not act, so he can potentially be inattentive. Thereafter, signals are output, which are to be acknowledged by the driver.
  • The known motor vehicles are disadvantageous, as either additional devices for confirming signals necessary or inattentiveness of the driver only by changes the driving condition of the motor vehicle is detected.
  • It is the object of the invention, a motor vehicle of the aforementioned To create a way in which in a simple way an inattention a driver is detected without a driving condition of the motor vehicle is changed so that this from the driver as a malfunction is perceived or a potentially dangerous traffic Situation can occur.
  • According to the invention the task solved by the fact that the control unit activates at least one vehicle component to output the stimulus signal, where the stimulus signal has no immediate impact on traffic safety of the motor vehicle.
  • In a motor vehicle designed in this way, the control unit selectively outputs stimulus signals or so-called trigger interference events via the vehicle component, which usually cause a reaction of the driver. Only such stimulus signals are issued or generated, which have no effect on the driving experience and the traffic safety of the motor vehicle, in particular with respect to the steering. In particular, no excessive delays are caused in order to cause the arrival of a subsequent traffic participant. The emitted stimulus signals must not jeopardize traffic safety. Similarly, no reactions of the driver may be provoked, which could cause a traffic-jeopardizing situation, so for example, a sudden flashing light signal that could frighten the driver. Only harmless disturbances are generated and subsequently detects a reaction time of the driver to this stimulus signal or this disturbance. The stimulus signals may only be dosed so low that they can not be interpreted as a malfunction of the motor vehicle.
  • in the Within the scope of the invention, these stimulus signals can be arbitrary can be selected, but preferably as described below. Of course, such monitoring the attention of the driver with others already in the vehicle existing surveillance systems, such as the optical Eyelid monitoring, combined. In doing so, such monitoring use only when other systems have already determined that that the driver is potentially inattentive, d. H. only then Stimulus signals output, not during normal Drive operation.
  • Out The length of the reaction time is due to inattention or tiredness of the driver closed. The longer the reaction time is the more inattentive the driver is. Will ever no response to the issued stimulus signal detected, then Immediately becomes a warning or control signal to others Vehicle systems generated.
  • Of the Advantage of the invention is that only already in the vehicle existing components are controlled by the control unit need to set a stimulus signal and a reaction of the To provoke drivers on this. For this purpose, the control unit only slightly modified by hardware and / or software to fulfill a corresponding functionality. Thus, the effort in the production of such a trained Motor vehicle practically negligible.
  • Preferably the strength of the emitted stimulus signals is changeable. For example, at a volume change an audio system as a vehicle component at a first signal output only a slight increase in volume take place and at later signal outputs each larger Volumes. In the same way, during a single stimulus signal output also the volume as long be increased continuously or in increments until one Reaction of the driver is detected. In doing so, the intensity the emitted stimulus signals also adapted to a detected inattention That means, the more inattentive the driver is, the stronger is the stimulus signal.
  • to permanent monitoring of the driver's attention Preferably, the stimulus signals are output at intervals that the longer are, the more attentive the driver is, d. H. the faster he reacts to a stimulus signal. Takes his inattention too, so the stimulus signals at shorter intervals set.
  • In further embodiment become the actual warning the driver issued visual and / or audible warning signals. For example, a voice message and / or a red warning light activated.
  • to Adaptation to different drivers is expediently the output of the stimulus signals can be personalized, for example based on the detected driver behavior, the driver-specific driving style, the frequency of operation of certain input elements and / or from system settings. Furthermore, the warning signals can also be personalized. For example, a driver only wants visual warning signals and another perceive only acoustic warning signals. Both can by different drivers the motor vehicle or the control unit be given and when driving the identity detected by the driver or known by the controller made to subsequently output the desired stimulus signals.
  • When possible stimulus signals or trigger interference events to determine a driver's attention are preferred among other things: Reduction of vehicle speed, change in the Interval duration of a windscreen wiper system, change the blower output or the temperature of a ventilation or air-conditioning system, change in heating capacity a seat heating, changing the volume an audio system, changing the lighting by color or brightness of a meter and / or change a damper rate of a vehicle suspension. All of these have different stimulus signals emitted by different vehicle components no direct influence on the current driving situation, apart from a slight reduction in vehicle speed, but not a traffic-jeopardizing situation leads. Therefore, none of these stimulus signals becomes potentially traffic-endangering situation brought about, if the driver reacts to it.
  • If the vehicle speed decreases, the driver's attention is determined. The driver will usually notice a reduction in vehicle speed quickly and counteract accordingly. On the other hand, if a substantially minor parameter, such as the length of a wiper interval, is changed, a driver's response to it may also require a longer period of time as he must observe the wiper over several intervals, whether or not his interval has actually lengthened. Such attention is to be assigned to vigilance, the long-term attention of a driver. The same applies to a modified damping behavior the suspension. Similarly, the response times can be measured if the volume of the audio system or the air conditioning system is correctly set again.
  • Around detecting a driver's reaction to the stimulus signal is preferred the control unit with an operating device associated with the vehicle component connected. As actuator can be a with a Engine control coupled accelerator pedal, a temperature or blower switch the ventilation or air conditioning system, a wiper / washer switch or the like may be provided.
  • In Design is the appeal and the determination of the degree of attention through an alternative attention-capture system for review and / or confirmation of the value determined there. For example, the observation of a driver observation system with the out of the reaction time or failure of the reaction to confirmed the stimulus signal attentiveness of the driver or discarded.
  • To a further education are further connected information and / or Warning systems in their function or warning strategy by the Determined attention signals of the control unit influenced. Warning strategies of information, warning or driver assistance systems, such as so-called active emergency braking adapted to the level of attention of the driver.
  • It It is understood that the above and below to be explained features not only in the specified Combination, but also usable in other combinations. The scope of the invention is defined only by the claims.
  • The Invention will be described below with reference to an embodiment explained in more detail with reference to the drawing. The sole figure of the drawing shows an inventive Motor vehicle in a schematic representation.
  • To capture a driver's attention 2 of the motor vehicle 1 is from a control unit 3 a stimulus signal via an output device 4 a vehicle component 7 output. This is, for example, an optical or acoustic stimulus or a change in a temperature or blower output of a ventilation system, a change in a windshield wiper interval or a reduction in the vehicle speed. From the time the driver 2 needed to respond to the issued stimulus signal may be at the attention of the driver 2 getting closed. For example, via an actuator 5 the temperature of the ventilation system is restored to its original value or by pressing an accelerator pedal the original vehicle speed again assumed. The individual components of the motor vehicle 1 stand by, as through the connecting lines 6 indicated with the control unit 3 in connection. The stimulus signals themselves can be changed in their intensity and / or repetition frequency.
  • 1
    motor vehicle
    2
    driver
    3
    control unit
    4
    output device
    5
    actuator
    6
    connecting line
    7
    vehicle component
  • QUOTES INCLUDE IN THE DESCRIPTION
  • This list The documents listed by the applicant have been automated generated and is solely for better information recorded by the reader. The list is not part of the German Patent or utility model application. The DPMA takes over no liability for any errors or omissions.
  • Cited patent literature
    • - CH 612340 [0003]
    • - DE 3447536 A1 [0004]
    • - DE 10311895 A1 [0005]
    • DE 102005026479 A1 [0006]
    • EP 0030021 A2 [0007]

Claims (9)

  1. Motor vehicle with a control unit ( 3 ) for outputting at least one stimulus signal and for detecting a reaction time of a driver ( 2 ) on the stimulus signal to determine from the reaction time or the absence of a reaction a degree of attention of the driver ( 2 ), characterized in that the control unit ( 3 ) at least one vehicle component ( 7 ) for the output of the stimulus signal, the stimulus signal having no direct influence on the traffic safety of the motor vehicle ( 1 ) Has.
  2. Motor vehicle according to claim 1, characterized in that that a strength of the stimulus signals is variable.
  3. Motor vehicle according to claim 1 or 2, characterized that the stimulus signals in, in particular changeable, intervals are dispensable.
  4. Motor vehicle according to one of claims 1 to 3, characterized in that an optical and / or acoustic Warning signal is outputable.
  5. Motor vehicle according to one of claims 1 to 4, characterized in that a stimulus signal can be personalized is.
  6. Motor vehicle according to one of claims 1 to 5, characterized in that the stimulus signal is a vehicle speed reducible and / or an interval duration of a windshield wiper system changeable and / or a blower power and / or a tempera ture of a ventilation system changeable and / or a heating power of a seat heater changeable and / or a volume of an audio system changeable and / or a brightness and / or color of a display instrument changeable and / or a damper rate of a suspension is changeable.
  7. Motor vehicle according to one of claims 1 to 6, characterized in that the control device ( 3 ) with one of the vehicle components ( 7 ) associated actuating device ( 5 ) connected is.
  8. Motor vehicle according to one of claims 1 to 7, characterized in that the stimulus and the determination of attention level through an alternative attention-capture system for verification and / or confirmation of the value determined there can be triggered.
  9. Motor vehicle according to one of claims 1 to 8, characterized in that further connected information and / or warning systems in their function or their warning strategy by the detected attention signals of the control unit ( 3 ) can be influenced.
DE200810004908 2008-01-18 2008-01-18 Motor vehicle, has control device outputting reference signal in intervals and detecting reaction time of driver to reference signal, where control device controls vehicle components for outputting reference signal Withdrawn DE102008004908A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE200810004908 DE102008004908A1 (en) 2008-01-18 2008-01-18 Motor vehicle, has control device outputting reference signal in intervals and detecting reaction time of driver to reference signal, where control device controls vehicle components for outputting reference signal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200810004908 DE102008004908A1 (en) 2008-01-18 2008-01-18 Motor vehicle, has control device outputting reference signal in intervals and detecting reaction time of driver to reference signal, where control device controls vehicle components for outputting reference signal

Publications (1)

Publication Number Publication Date
DE102008004908A1 true DE102008004908A1 (en) 2009-07-23

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DE200810004908 Withdrawn DE102008004908A1 (en) 2008-01-18 2008-01-18 Motor vehicle, has control device outputting reference signal in intervals and detecting reaction time of driver to reference signal, where control device controls vehicle components for outputting reference signal

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013213179A1 (en) * 2013-07-04 2015-01-08 Continental Automotive Gmbh Device and method for increasing the driving safety of a means of transportation
DE202013008392U1 (en) 2013-09-21 2015-01-08 GM Global Technology Operations LLC (n. d. Gesetzen des Staates Delaware) Device for estimating a driver's attention

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH612340A5 (en) 1978-05-19 1979-07-31 Elektromobil Elektro Es Jarmue Method for monitoring the reaction time of motor vehicle drivers when driving and device for carrying out the method
EP0030021A2 (en) 1979-11-29 1981-06-10 ELEKTROMOBIL Elektro és Jármüipari Szövetkezet Method and apparatus for checking the fitness of the driver of a road vehicle
DE3447536A1 (en) 1984-01-01 1985-07-11 Chaim Brody An apparatus for maintaining vigilance
DE3803916A1 (en) * 1988-02-09 1989-08-17 Messerschmitt Boelkow Blohm A method and device for determining the driving ability of a fahrzeugfuehrers
DE10152852A1 (en) * 2001-10-25 2003-05-22 Daimler Chrysler Ag System for determining and influencing emotional state of motor vehicle driver, has emotion sensors, emotional state assessment device, device for stimulating driver with e.g. visual influences
DE10311895A1 (en) 2003-03-18 2004-10-07 Knorr-Bremse Systeme für Nutzfahrzeuge GmbH Vehicle driver monitoring system, detects falling asleep condition by taking repeat measurements of driver's grip of steering wheel
DE102004045483A1 (en) * 2004-09-20 2006-04-06 Daimlerchrysler Ag Method and apparatus for detecting an attention deficit a motor driver
DE102005026479A1 (en) 2005-06-09 2006-12-14 Daimlerchrysler Ag A method and control device for Unaufmerksamkeitserkennung in dependence of at least one driver-specific parameter

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH612340A5 (en) 1978-05-19 1979-07-31 Elektromobil Elektro Es Jarmue Method for monitoring the reaction time of motor vehicle drivers when driving and device for carrying out the method
EP0030021A2 (en) 1979-11-29 1981-06-10 ELEKTROMOBIL Elektro és Jármüipari Szövetkezet Method and apparatus for checking the fitness of the driver of a road vehicle
DE3447536A1 (en) 1984-01-01 1985-07-11 Chaim Brody An apparatus for maintaining vigilance
DE3803916A1 (en) * 1988-02-09 1989-08-17 Messerschmitt Boelkow Blohm A method and device for determining the driving ability of a fahrzeugfuehrers
DE10152852A1 (en) * 2001-10-25 2003-05-22 Daimler Chrysler Ag System for determining and influencing emotional state of motor vehicle driver, has emotion sensors, emotional state assessment device, device for stimulating driver with e.g. visual influences
DE10311895A1 (en) 2003-03-18 2004-10-07 Knorr-Bremse Systeme für Nutzfahrzeuge GmbH Vehicle driver monitoring system, detects falling asleep condition by taking repeat measurements of driver's grip of steering wheel
DE102004045483A1 (en) * 2004-09-20 2006-04-06 Daimlerchrysler Ag Method and apparatus for detecting an attention deficit a motor driver
DE102005026479A1 (en) 2005-06-09 2006-12-14 Daimlerchrysler Ag A method and control device for Unaufmerksamkeitserkennung in dependence of at least one driver-specific parameter

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013213179A1 (en) * 2013-07-04 2015-01-08 Continental Automotive Gmbh Device and method for increasing the driving safety of a means of transportation
DE202013008392U1 (en) 2013-09-21 2015-01-08 GM Global Technology Operations LLC (n. d. Gesetzen des Staates Delaware) Device for estimating a driver's attention
US9858489B2 (en) 2013-09-21 2018-01-02 GM Global Technology Operations LLC Device for estimating the alertness of a driver

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