PROBLEM TO BE SOLVED: To restrain the amount of communication between a vehicle device and a server and to estimate an accurate travel route even if the amount of information is small in the case of constructing a travel route estimation system of the vehicle device mounted on a vehicle and the server communicatively connected to the vehicle device.SOLUTION: In a travel route estimation system 10, a vehicle device 11 transmits positional information indicating a position measured by a position measuring unit 13 to a server 31 by a communication unit 14. The server 31 receives the positional information by a communication unit 33, identifies a link in the vicinity of the position indicated by the received positional information as a vicinity link by a vicinity link identification processing unit 42, identifies an interpolation link interpolating a section with the vicinity link by a link interpolation processing unit 43, and estimates a route including the vicinity link and the interpolation link as a travel route on which the vehicle has travelled by a travel route estimation processing unit 44.
【課題】車両に搭載される車両用装置と当該車両用装置が通信可能に接続されるサーバとで走行経路推定システムを構築する場合において、車両用装置とサーバとの間の通信量を抑え、且つ、少ない情報量であっても正確な走行経路を推定する。【解決手段】走行経路推定システム10によれば、車両用装置11は、位置測定部13が測定した位置を示す位置情報を通信部14によりサーバ31に送信する。サーバ31は、通信部33により位置情報を受信し、近傍リンク特定処理部42により、受信した位置情報が示す位置の近傍のリンクを近傍リンクとして特定し、リンク補間処理部43により、近傍リンクの間を補間する補間リンクを特定し、走行経路推定処理部44により、近傍リンクと補間リンクを含む経路を、車両が走行した走行経路として推定する。【選択図】図1
TRAVEL ROUTE ESTIMATION SYSTEM
走行経路推定システム
2015-11-19
Patent
Electronic Resource
Japanese
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