A Production Train Diagram Of Train Control To
Save Power Consumption Used For
Dynamic Programming
Author(s)
T. Katori & T. Izumi
Abstract
Reducing power consumption is an important subject for railways using electric
energy. In order to efficiently use power generated by generation brakes, it is
necessary to consider the acceleration or deceleration of trains running in each
other’s neighbourhood and control these factors as a whole. Therefore, we are
studying to determine a train diagram that saves total and moment power
consumption. However, because there are many combinations of how to run the
trains, it is difficult to calculate the best solutions.
In this paper, we have solved the problem to create train diagrams to minimize
power consumption considering the generation braking system. A computer uses
conditions of distance between any stations and required running time for any
number of trains, calculates how to run by dynamic programming in a solid
model by time-distance planes, and shows S-curve train diagrams. Evaluation
values are both total and moment power consumption. A characteristic function
of power consumption is determined by train velocity of acceleration or
deceleration. The solution is a combination how to run the trains minimizing the
evaluation values.
Using this model, we calculated the appropriate schedule of train diagrams for
the case of two trains running between five stations. The solution uses the
generation braking system efficiently. For two trains, while one train increases
its velocity, the other train reduces its velocity just at the same moment. Running
conditions are able to combine gradient and limited high speed.
Keywords: trains control, power consumption, dynamic programming, train
diagram.
Keywords
trains control, power consumption, dynamic programming, train
diagram.
Related Book
Other papers in this volume
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