Rail and train monitoring system and method
First Claim
Patent Images
1. A method for determining at least one parameter related to a train traversing on a railway track, the method comprising:
- (a) sensing high frequency acoustic signals at a detection location on the railway track; and
(b) analyzing a temporal progression of a high frequency spectrum corresponding to the high frequency acoustic signals to detect an approach of the train towards the detection location on the railway track.
1 Assignment
0 Petitions
Accused Products
Abstract
A system and method for determining at least one parameter related to a train traversing on a railway track is provided. The system comprises a sensor coupled to a detection location and configured for sensing acoustic signals at the detection location on the railway track and a processor coupled to the sensor and configured for analyzing a temporal progression of a frequency spectrum corresponding to the acoustic signals
41 Citations
40 Claims
-
1. A method for determining at least one parameter related to a train traversing on a railway track, the method comprising:
-
(a) sensing high frequency acoustic signals at a detection location on the railway track; and
(b) analyzing a temporal progression of a high frequency spectrum corresponding to the high frequency acoustic signals to detect an approach of the train towards the detection location on the railway track. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
-
-
14. A system for determining at least one parameter related to a train traversing on a railway track, the system comprising:
-
(a) a sensor coupled to a detection location and configured for sensing high frequency acoustic signals at the detection location on the railway track; and
(b) a processor coupled to the sensor and configured for analyzing a temporal progression of a high frequency spectrum corresponding to the high frequency acoustic signals to detect an approach of the train towards the detection location on the railway track. - View Dependent Claims (15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28)
-
-
29. A system to determine at least one parameter related to a train characteristic, the system comprising:
-
a sensor configured for detecting low frequency acoustic signals at a detection location on a railway track, as the train is traversing over the detection location on the railway track, and a processor configured for analyzing a temporal progression of a low frequency spectrum corresponding to the low frequency acoustic signals to determine at least one parameter related to the train characteristic. - View Dependent Claims (30)
-
- 31. A method for determining a determining a position of a rail break by using a speed of a train determined by analyzing acoustic signals propagated by the train while traversing over the railway track and a difference between a time of detection of a discontinuity and a time of train passage over a detection location.
-
35. A system to determine at least one parameter related to a train traveling on a railway track, the system comprising:
-
a sensor configured for detecting broadband acoustic signals at a detection location on the railway track; and
a processor configured for analyzing a temporal progression of a broadband frequency spectrum corresponding to the broadband acoustic signals to determine at least one parameter related to a train characteristic. - View Dependent Claims (36, 37, 38, 39, 40)
-
Specification