To provide a position estimation device which improves an availability of a technique to estimate a self position of a train, using an identifier being out of a rail.SOLUTION: A position estimation system comprises a first identifier 108, a second identifier 109, a first sensor 102 recognizing the first identifier 108, a second sensor 103 recognizing the second identifier 109 and a position estimation device 100 and estimates a self position from position information of the identifiers and relative distances between the identifiers and a train 200. In a case where the first identifier 108 cannot be recognized in a travel direction 101 by the first sensor 102, the second identifier 109 is recognized in a reverse side of the travel direction 101 by the second sensor 103 and a self position of a train is estimated from position information of the second identifier 109.SELECTED DRAWING: Figure 1

    【課題】線路外の識別子を使用して、列車の自己位置を推定する技術の可用性を向上させる位置推定装置を提供する。【解決手段】位置推定システムは、第一識別子108、第二識別子109、第一識別子108を認識する第一センサ102、第二識別子109を認識する第二センサ103および位置推定装置100を備え、識別子の位置情報と識別子と列車200との相対距離から自己位置を推定する。第一センサ102にて進行方向101の第一の識別子108が認識できない場合は、進行方向101とは逆側の第二センサ103を用いて第二の識別子109を認識し、第二の識別子109の位置情報から列車の自己位置を推定する。【選択図】図1


    Access

    Download


    Export, share and cite



    Title :

    POSITION ESTIMATION DEVICE, POSITION ESTIMATION SYSTEM AND POSITION ESTIMATION METHOD


    Additional title:

    位置推定装置、位置推定システム、位置推定方法


    Contributors:

    Publication date :

    2020-11-05


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B61L Leiten des Eisenbahnverkehrs , GUIDING RAILWAY TRAFFIC / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen



    POSITION ESTIMATION DEVICE, POSITION ESTIMATION SYSTEM, AND POSITION ESTIMATION METHOD

    NAKASHIMA KAZUHIRO / SANJI KENICHIROU | European Patent Office | 2020

    Free access

    POSITION ESTIMATION DEVICE, POSITION ESTIMATION SYSTEM, AND POSITION ESTIMATION METHOD

    NAKAJIMA KAZUHIRO / MITSUHARU KENICHIRO | European Patent Office | 2020

    Free access

    POSITION ESTIMATION DEVICE, POSITION ESTIMATION SYSTEM, AND POSITION ESTIMATION METHOD

    ODA ATSUSHI / KATSUTA KEIICHI / TSUTSUMI YUHI | European Patent Office | 2020

    Free access

    POSITION ESTIMATION DEVICE, POSITION ESTIMATION METHOD, POSITION ESTIMATION PROGRAM

    ODA ATSUSHI / KATSUTA KEIICHI / KAWAMATA YUKIHIRO | European Patent Office | 2020

    Free access

    Position estimation device, position estimation system, and position estimation method

    NAKASHIMA KAZUHIRO / SANJI KENICHIROU | European Patent Office | 2025

    Free access