Process for detecting and reporting traffic situation data
First Claim
1. A process for detecting and reporting traffic situation data of a road system via a respective sample vehicle, in which at least one position determination triggering criteria is defined and, in the respective sample vehicle, in each case an automatic position determination is carried out in an event of an occurrence of the triggering criteria and, as a function thereof, pertaining traffic situation data is detected and reported, the process comprising the acts of:
- storing the road system, together with drive duration data concerning drive durations to be expected for partial routes of the road system, in the respective sample vehicle;
after a respective automatic determination of an actual position, detecting a partial route of the road system travelled since the preceding position determination and the pertaining actual drive duration, and determining the position to be expected (wi+xi−
1) for the actual drive duration and/or the drive duration to be expected for the actual position via the stored partial route drive duration data;
comparing the actual position with the position to be expected, and/or comparing the actual drive duration with the drive duration to be expected; and
triggering a traffic situation data reporting operation only if the actual position and/or actual drive duration deviates by more than a respective definable threshold value from the position to be expected or drive duration to be expected.
8 Assignments
0 Petitions
Accused Products
Abstract
A process for detecting and reporting traffic situation data of a road system via a respective sample vehicle is provided, in which case an automatic position determination is carried out in the respective sample vehicle at definable points in time and, as a function thereof, pertaining traffic situation data are detected and reported. The road system, together with drive duration data concerning the drive duration to be expected for partial routes of the road system, is stored in the sample vehicles. After a respective position determination, the partial route travelled since the preceding position determination and the pertaining actual drive duration are detected, and via the stored drive duration data, the position to be expected for the actual drive duration and/or the drive duration to be expected for the determined position is determined. Then the deviation is determined between the actual position or drive duration and the expected position or drive duration, after which a traffic situation data reporting operation is triggered only if the deviation is larger than a definable threshold value. The process can be used for obtaining traffic situation data for a highway system.
34 Citations
21 Claims
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1. A process for detecting and reporting traffic situation data of a road system via a respective sample vehicle, in which at least one position determination triggering criteria is defined and, in the respective sample vehicle, in each case an automatic position determination is carried out in an event of an occurrence of the triggering criteria and, as a function thereof, pertaining traffic situation data is detected and reported, the process comprising the acts of:
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storing the road system, together with drive duration data concerning drive durations to be expected for partial routes of the road system, in the respective sample vehicle;
after a respective automatic determination of an actual position, detecting a partial route of the road system travelled since the preceding position determination and the pertaining actual drive duration, and determining the position to be expected (wi+xi−
1) for the actual drive duration and/or the drive duration to be expected for the actual position via the stored partial route drive duration data;
comparing the actual position with the position to be expected, and/or comparing the actual drive duration with the drive duration to be expected; and
triggering a traffic situation data reporting operation only if the actual position and/or actual drive duration deviates by more than a respective definable threshold value from the position to be expected or drive duration to be expected. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A computer software product, comprising a computer readable medium, said computer readable medium having stored thereon code segments which:
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(a) store a road system, together with drive duration data concerning drive durations to be expected for partial routes of the road system, in a respective sample vehicle;
(b) after a respective automatic determination of an actual position, detect a partial route of the road system travelled since the preceding position determination and the pertaining actual drive duration, and determine the position to be expected for the actual drive duration and/or the drive duration to be expected for the actual position via the stored partial route drive duration data;
(c) compare the actual position with the position to be expected, and/or the actual drive duration with the drive duration to be expected; and
(d) trigger a traffic data situation data reporting operation only if the actual position and/or actual drive duration deviates by more than a respective definable threshold value from the position to be expected or drive duration to be expected. - View Dependent Claims (13, 14, 15, 16)
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17. A system for detecting and reporting traffic situation data of a road system via a respective sample vehicle, in which at least one position determination triggering criteria is defined and, in the respective sample vehicle, in each case an automatic position determination is carried out in an event of an occurrence of the triggering criteria and, as a function thereof, pertaining traffic situation data is detected and reported, the system comprising:
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means for storing the road system, together with drive duration data concerning drive durations to be expected for partial routes of the road system, in the respective sample vehicle;
means for, after a respective automatic determination of an actual position, detecting a partial route of the road system travelled since the preceding position determination and the pertaining actual drive duration and determining the position to be expected for the actual drive duration and/or the drive duration to be expected for the actual position via the stored partial route drive duration data;
means for comparing the actual position with the position to be expected, and/or comparing the actual drive duration with the drive duration to be expected; and
means for triggering a traffic situation data reporting operation only if the actual position and/or actual drive duration deviates by more than a respective definable threshold value from the position to be expected or drive duration to be expected. - View Dependent Claims (18, 19, 20, 21)
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Specification