To provide a tire state quantity estimation system capable of suppressing a data communication volume while ensuring the estimation accuracy of a tire state quantity including the degree of wear.SOLUTION: A tire state quantity estimation system includes: a vehicle information acquisition unit 101 for acquiring first raw information d1 about a vehicle V; a tire information acquisition unit SU mounted on a tire 10, for acquiring second raw information about the tire; a first data calculation unit 102 for calculating, in advance, first data D1 to be used for estimating a tire state quantity, on the basis of part of the first raw information and second raw information; a transmission unit 103 for transmitting second data D2 composed of information which, of the first raw information and second raw information, has not been used for calculation processing in the first data calculation unit, and the first data to an external device CL1; a third data calculation unit 302 for calculating third data D3 to be used for estimating the tire state quantity, on the basis of the received second data; and a tire state quantity estimation unit 303 for estimating the tire state quantity on the basis of the received first data and the third data.SELECTED DRAWING: Figure 2

    【課題】摩耗の程度を含むタイヤの状態量の推定精度を確保しつつ、データの通信量を抑制することが可能なタイヤ状態量推定システムを提供する。【解決手段】車両Vに関する第1生情報d1を取得する車両情報取得部101と、タイヤ10に搭載されて、タイヤに関する第2生情報を取得するタイヤ情報取得部SUと、第1生情報および第2生情報の一部に基づいて、タイヤの状態量の推定に用いる第1データD1を予め算出する第1データ算出部102と、第1生情報および第2生情報のうち第1データ算出部における算出処理に用いなかった情報で構成される第2データD2と第1データを外部装置CL1に送信する送信部103と、受信した第2データに基づいて、タイヤの状態量の推定に用いる第3データD3を算出する第3データ算出部302と、受信した第1データと、第3データとに基づいて、タイヤの状態量を推定するタイヤ状態量推定部303とを備える。【選択図】図2


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    Title :

    TIRE STATE QUANTITY ESTIMATION SYSTEM, TIRE STATE QUANTITY ESTIMATION PROGRAM, AND TIRE STATE QUANTITY ESTIMATION METHOD


    Additional title:

    タイヤ状態量推定システム、タイヤ状態量推定プログラムおよびタイヤ状態量推定方法


    Contributors:

    Publication date :

    2023-01-18


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B60C VEHICLE TYRES , Fahrzeugreifen / G01M TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES , Prüfen der statischen oder dynamischen Massenverteilung rotierender Teile von Maschinen oder Konstruktionen



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