To provide a battery life prediction device and a battery life prediction method which can predict a battery life of a detection device that detects information concerning a state of a tire, with high accuracy.SOLUTION: A battery life prediction device, which predicts a life of a battery of a detection device that detects information concerning a state of a tire, comprises: an obtaining part (131) that obtains input data including a temperature of the tire, pressure of the tire, a value concerning voltages of the battery and use time of the battery; and a predicting part (133) that predicts, as the life of the battery, a value concerning voltages at a time after a predetermined period of time elapses in the future, using the input data and a prediction model. The prediction model is generated by machine leaning, using data for learning in which the temperature of the tire, the pressure of the tire, the value concerning voltages of the battery and the use time of the battery in result data are set as explanatory variables and the value concerning voltages of the battery at the time after the predetermined period of time elapses is set as an objective variable.SELECTED DRAWING: Figure 1
【課題】タイヤの状態に関する情報を検出する検出装置の電池寿命を高精度に予測可能な電池寿命予測装置及び電池寿命予測方法が提供される。【解決手段】電池寿命予測装置は、タイヤの状態に関する情報を検出する検出装置の電池の寿命を予測する電池寿命予測装置であって、タイヤの温度、タイヤの圧力、電池の電圧に関する値及び電池の使用時間を含む入力データを取得する取得部(131)と、入力データと予測モデルとを用いて、電池の寿命として将来の所定期間後の電圧に関する値を予測する予測部(133)と、を備え、予測モデルは、実績データにおけるタイヤの温度、タイヤの圧力、電池の電圧に関する値及び電池の使用時間を説明変数とし、所定期間後の電池の電圧に関する値を目的変数とする学習用データを用いて、機械学習によって生成される。【選択図】図1
BATTERY LIFE PREDICTION DEVICE AND BATTERY LIFE PREDICTION METHOD
電池寿命予測装置及び電池寿命予測方法
17.03.2025
Patent
Elektronische Ressource
Japanisch
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