METHOD AND SYSTEM FOR DETECTING WHEN AN END OF TRAIN HAS PASSED A POINT

摘要

A controller determines that an end of train (EOT) has passed a point throug h the use of positioning systems at the head of the train (HOT) and the EOT. I n a first method, the controller obtains the HOT position at a point of intere st from the HOT positioning system. The controller then determines when the tra in has traveled a distance equal to the length of the train and then interrogat es the EOT positioning system. If the difference between this position and the position reported by the HOT positioning system at the point of interest exceeds a threshold, then the EOT has passed the point. In a second method, when the HOT positioning system reaches a point of interest, the position reported by the EOT positioning system is integrated until the total distanc e traveled by the EOT equals the length of the train.