Method and device for ascertaining a fatigue degree of a driver of a vehicle, and vehicle
First Claim
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1. A method for ascertaining a fatigue degree of a driver of a vehicle, the method comprising:
- providing a driver-specific ascertainment of a change in the fatigue degree by ascertaining the fatigue degree based on a previous fatigue degree that is ascertained with the aid of a driver-related circadian rhythm and the ascertained change in the degree of fatigue;
wherein the previous fatigue degree is ascertained using data about the driver during a period in which the driver is not driving the vehicle.
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Abstract
A method and a device for ascertaining a fatigue degree of a driver of a vehicle, and to a vehicle, includes a driver-specific ascertainment of a change in the fatigue degree, and ascertaining the fatigue degree based on a previous fatigue degree, which is ascertained utilizing a driver-related circadian rhythm and the ascertained change in the fatigue degree. The method includes the ascertainment of the previous fatigue degree based on data about the driver in a time period during which the driver is not driving the vehicle.
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Citations
10 Claims
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1. A method for ascertaining a fatigue degree of a driver of a vehicle, the method comprising:
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providing a driver-specific ascertainment of a change in the fatigue degree by ascertaining the fatigue degree based on a previous fatigue degree that is ascertained with the aid of a driver-related circadian rhythm and the ascertained change in the degree of fatigue; wherein the previous fatigue degree is ascertained using data about the driver during a period in which the driver is not driving the vehicle. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A device for ascertaining a fatigue degree of a driver of a vehicle, comprising:
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a memory unit; an ascertainment unit having a set of instructions, which is executable by the ascertainment unit and which is stored in the memory unit, for ascertaining the fatigue degree of the driver of the vehicle, by performing the following; providing a driver-specific ascertainment of a change in the fatigue degree by ascertaining the fatigue degree based on a previous fatigue degree that is ascertained with the aid of a driver-related circadian rhythm and the ascertained change in the degree of fatigue; wherein the previous fatigue degree is ascertained using data about the driver during a period in which the driver is not driving the vehicle. - View Dependent Claims (8, 9)
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10. A vehicle, comprising:
a device for ascertaining a fatigue degree of a driver of a vehicle, including; a memory unit; an ascertainment unit having a set of instructions, which is executable by the ascertainment unit and which is stored in the memory unit, for ascertaining the fatigue degree of the driver of the vehicle, by performing the following; providing a driver-specific ascertainment of a change in the fatigue degree by ascertaining the fatigue degree based on a previous fatigue degree that is ascertained with the aid of a driver-related circadian rhythm and the ascertained change in the degree of fatigue; wherein the previous fatigue degree is ascertained using data about the driver during a period in which the driver is not driving the vehicle.
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