Method and apparatus for automatic selection of alternative routing through congested areas using congestion prediction metrics
First Claim
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1. A method comprising:
- receiving a movement plan that schedules movements of plural rail vehicles in a track network;
identifying factors representative of historical vehicle events that occupied track resources in the track network for one or more respective dwell times during previous movements of the rail vehicles in the track network;
assigning metrics to the factors, the metrics representative of relative contributions of the respective factors to previous traffic congestion in the track network during the historical vehicle events;
predicting future traffic congestion in the track network during the movements of the rail vehicles that are scheduled in the movement plan, the traffic congestion predicted by calculating a first cumulative total of the metrics assigned to the factors associated with the previous movements of the rail vehicles in the track network that are scheduled to move in the track network using the movement plan; and
rescheduling the movements of one or more of the rail vehicles by modifying the movement plan, wherein a second cumulative total of the metrics assigned to the factors associated with the movements of the one or more of the rail vehicles that are rescheduled is less than the first cumulative total of the metrics.
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Abstract
A scheduling system and method for moving plural objects through a multipath system described as a freight railway scheduling system. The scheduling system utilizes a cost reactive resource scheduler to minimize resource exception while at the same time minimizing the global costs associated with the solution. The achievable movement plan can be used to assist in the control of, or to automatically control, the movement of trains through the system. Alternative routes through congested areas are automatically selected using congestion prediction metrics.
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7 Claims
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1. A method comprising:
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receiving a movement plan that schedules movements of plural rail vehicles in a track network; identifying factors representative of historical vehicle events that occupied track resources in the track network for one or more respective dwell times during previous movements of the rail vehicles in the track network; assigning metrics to the factors, the metrics representative of relative contributions of the respective factors to previous traffic congestion in the track network during the historical vehicle events; predicting future traffic congestion in the track network during the movements of the rail vehicles that are scheduled in the movement plan, the traffic congestion predicted by calculating a first cumulative total of the metrics assigned to the factors associated with the previous movements of the rail vehicles in the track network that are scheduled to move in the track network using the movement plan; and rescheduling the movements of one or more of the rail vehicles by modifying the movement plan, wherein a second cumulative total of the metrics assigned to the factors associated with the movements of the one or more of the rail vehicles that are rescheduled is less than the first cumulative total of the metrics. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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Specification