| 摘要 |
PROBLEM TO BE SOLVED: To provide a railway vehicle position detection device capable of accurately detecting which branch track a train vehicle has entered even if an interval of the branch tracks is short as in the case of a station yard.SOLUTION: A position detection device includes: a distance sensor 1 for detecting a travel distance of a maintenance vehicle H and an angular velocity detector 2 for detecting an angular velocity ω in a travel direction; a distance calculation part 11 for calculating a travel distance on the basis of a signal from the distance sensor; a shift angle calculation part 12 for calculating a shift angle &thetas; of the vehicle relative to a main track on the basis of the angular velocity obtained from the angular velocity detector; a branch section detection part 13 for detecting a branch large section that is a large section including a branch point by inputting the travel distance obtained from the distance calculation part; and a track determination part 14 for calculating each separation distance from a main track calculated on the basis of the shift angle detected by the shift angle calculation part, for individual small sections that are produced by dividing the branch large section into plural portions by inputting the branch large section detected by the branch section detection part, and determining a track on which the vehicle is currently passing through by inputting these separation distances by using a neural network scheme. |
