To provide a train location estimation device which can shorten time for carrying out a map matching process.SOLUTION: A train location estimation device comprises a peripheral shape measuring part 101 installed in a vehicle 100 running on a preliminarily decided track and measuring peripheral shapes at present vehicle locations, a map storing part 102 installed in the vehicle and storing peripheral shape data measured preliminarily at each location, a start location estimation part 103 storing presence probabilities of the location at the vehicle start time, a map reading-out section determination device 104 outputting the peripheral shape data at the location in the descending order of the presence probabilities, and a matching processing device 105 comparing peripheral shape data at the present location with read-out peripheral shape data, calculating a comparison difference and outputting a location whose difference is equal to or less than a preliminarily decided threshold value.SELECTED DRAWING: Figure 1

    【課題】マップマッチング処理に要する時間を短縮できる列車位置推定装置を提供する。【解決手段】列車位置推定装置は、予め定められた軌道を走行する車両100に設置され車両の現在地点における周辺形状を計測する周辺形状計測部101と、車両に設置され予め計測した各位置における周辺形状データを記憶する地図記憶部102と、車両の起動時の位置の存在確率を記憶する起動位置推定部103と、存在確率の高い順にその位置における周辺形状データを出力する地図読出区間決定装置104と、現在地点の周辺形状データと読み出した周辺形状データとを比較し、その差分が予め定めた閾値以下となる位置を出力するマッチング処理装置105を備える。【選択図】図1


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    Title :

    TRAIN LOCATION ESTIMATION DEVICE


    Additional title:

    列車位置推定装置


    Contributors:

    Publication date :

    2019-09-12


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B61L Leiten des Eisenbahnverkehrs , GUIDING RAILWAY TRAFFIC / G01S RADIO DIRECTION-FINDING , Funkpeilung



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