To provide a tire abrasion state prediction system and the like capable of precisely predicting an abrasion state at low costs also for a tire not preserving learning data.SOLUTION: A tire abrasion state prediction system includes: a sensor unit SU that is provided on an inner surface or in the inside of a tire and has a strain sensor SN for detecting strain of a tire; a strain signal acquisition part 201 for acquiring a strain signal; an index calculation part 202 for calculating an index of a deformation speed on the basis of time-series waveform of a strain signal; a relationship value calculation part 203 for calculating a relationship value between an index of a deformation speed and a degree of abrasion of a tire; an abrasion state estimation part 204 for estimating a degree of abrasion of a tire by comparing a relationship value with an index of a deformation speed; and a relationship value prediction part 205 for predicting a relationship value of a tire in another size on the basis of a relationship value between an index of a deformation speed for a tire and a degree of abrasion of a tire.SELECTED DRAWING: Figure 2
【課題】学習データを保有していないタイヤについても高精度な摩耗状態の予測を低コストで行うことが可能なタイヤ摩耗状態予測システム等を提供する。【解決手段】タイヤの内側面または内部に設けられ、タイヤの歪みを検知する歪みセンサSNを有するセンサユニットSUと、歪み信号を取得する歪み信号取得部201と、歪み信号の時系列波形に基づいて、変形速度の指標を算出する指標算出部202と、変形速度の指標と、タイヤの摩耗の度合いとの関係値を予め算出する関係値算出部203と、関係値と、変形速度の指標とを比較してタイヤの摩耗の度合いを推定する摩耗状態推定部204と、タイヤについての変形速度の指標と、タイヤの摩耗の度合いとの関係値に基づいて、他のサイズのタイヤの関係値を予測する関係値予測部205とを備える。【選択図】図2
TIRE ABRASION STATE PREDICTION SYSTEM, TIRE ABRASION STATE PREDICTION PROGRAM, AND TIRE ABRASION STATE PREDICTION METHOD
タイヤ摩耗状態予測システム、タイヤ摩耗状態予測プログラムおよびタイヤ摩耗状態予測方法
25.05.2022
Patent
Elektronische Ressource
Japanisch
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