Method and device for ascertaining a driver state
First Claim
Patent Images
1. A method for ascertaining a variable representing at least an alertness of a driver, the method comprising:
- identifying the driver;
retrieving a profile of the driver, the profile including at least one of;
the variable representing at least the alertness of the driver determined in a preceding vehicle operating cycle, or at least one value used for ascertaining the variable representing at least the alertness of the driver in the preceding vehicle operating cycle; and
ascertaining, for a current vehicle operating cycle, the variable representing at least the alertness of the driver as a function of the at least one of;
the variable representing at least the alertness of the driver determined in the preceding vehicle operating cycle, or the at least one value used for ascertaining the variable representing at least the alertness of the driver in the preceding vehicle operating cycle.
1 Assignment
0 Petitions
Accused Products
Abstract
A variable that represents at least the alertness of the driver in a current vehicle operating cycle is ascertained as a function of at least one of (i) the variable representing the alertness of the driver determined in a preceding vehicle operating cycle, and (ii) at least one value used for ascertaining the variable representing the alertness of the driver determined in a preceding vehicle operating cycle.
6 Citations
18 Claims
-
1. A method for ascertaining a variable representing at least an alertness of a driver, the method comprising:
-
identifying the driver; retrieving a profile of the driver, the profile including at least one of;
the variable representing at least the alertness of the driver determined in a preceding vehicle operating cycle, or at least one value used for ascertaining the variable representing at least the alertness of the driver in the preceding vehicle operating cycle; andascertaining, for a current vehicle operating cycle, the variable representing at least the alertness of the driver as a function of the at least one of;
the variable representing at least the alertness of the driver determined in the preceding vehicle operating cycle, or the at least one value used for ascertaining the variable representing at least the alertness of the driver in the preceding vehicle operating cycle. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
-
-
13. A device for ascertaining a variable representing at least an alertness of the driver, the device comprising:
a control unit including a processor configured to perform the following; identifying the driver; retrieving a profile of the driver, the profile including at least one of;
the variable representing at least the alertness of the driver determined in a preceding vehicle operating cycle, or at least one value used for ascertaining the variable representing at least the alertness of the driver in the preceding vehicle operating cycle; andascertaining, for a current vehicle operating cycle, the variable representing at least the alertness of the driver as a function of the at least one of;
the variable representing at least the alertness of the driver determined in the preceding vehicle operating cycle, or the at least one value used for ascertaining the variable representing at least the alertness of the driver in the preceding vehicle operating cycle.- View Dependent Claims (14, 15, 16, 17, 18)
Specification