Method and device for warning the driver of a motor vehicle in the event of lack of attention
First Claim
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1. A method for warning a driver of a host motor vehicle in the event of a lack of attention by the driver, comprising:
- monitoring the driver'"'"'s attention level to ascertain a lack of attention by the driver;
ascertaining a driving situation of the vehicle;
detecting whether the driving situation of the vehicle includes at least one predefined condition requiring the driver to be alert;
designating the driving situation of the vehicle as critical if the at least one predefined condition is detected and designating the driving situation of the vehicle as noncritical if the at least one predefined condition is not detected;
generating, in the event the lack of attention by the driver has been ascertained, a warning signal only if the driving situation of the vehicle is designated as critical;
in response to the determination that the driver is lacking attention and to the designating of the driving situation as non-critical, suppressing the generating of the warning signal.
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Abstract
In a method for warning the driver of a motor vehicle in the event of lack of attention, in order to improve the acceptance of such systems among drivers, it is provided to monitor the driver with regard to lack of attention and also to ascertain the instantaneous driving situation of the vehicle, and, if lack of attention of the driver has been determined, to output a warning signal only in certain driving situations, but not in others.
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Citations
7 Claims
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1. A method for warning a driver of a host motor vehicle in the event of a lack of attention by the driver, comprising:
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monitoring the driver'"'"'s attention level to ascertain a lack of attention by the driver; ascertaining a driving situation of the vehicle; detecting whether the driving situation of the vehicle includes at least one predefined condition requiring the driver to be alert; designating the driving situation of the vehicle as critical if the at least one predefined condition is detected and designating the driving situation of the vehicle as noncritical if the at least one predefined condition is not detected; generating, in the event the lack of attention by the driver has been ascertained, a warning signal only if the driving situation of the vehicle is designated as critical; in response to the determination that the driver is lacking attention and to the designating of the driving situation as non-critical, suppressing the generating of the warning signal. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A device for warning a driver of a host motor vehicle in the event of a lack of attention by the driver, comprising:
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a first sensor for monitoring signals relating to the driver'"'"'s attention level to ascertain a lack of attention by the driver; a second sensor for ascertaining a driving situation of the vehicle; and a control unit configured to (i) evaluate output signals of the first sensor and the second sensor for ascertaining the driving situation of the vehicle, (ii) detect whether the driving situation of the vehicle includes at least one predefined condition requiring the driver to be alert, (iii) designate the driving situation of the vehicle as critical if the at least one predefined condition is detected and designate the driving situation of the vehicle as noncritical if the at least one predefined condition is not detected, and (iv) generate, in the event the lack of attention by the driver has been ascertained, a warning only if the driving situation of the vehicle is designated as critical, wherein in response to the determination that the driver is lacking attention and to the designating of the driving situation as non-critical, suppressing the generating of the warning.
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Specification