To more accurately predict battery conditions using experimental data for battery information tested in an environment identical to the external environment of an electric vehicle.SOLUTION: The present disclosure includes a battery condition prediction device. The battery condition prediction device includes: a first communication unit that receives temperature, current, and voltage data of a plurality of battery cells measured by a battery management system included in a battery pack, and receives, from a vehicle in which the battery cells are used, first environmental information when the vehicle is running; a second communication unit that receives experimental data for the condition of the battery cells or pack in various environments received from an external server; and a battery condition prediction unit that predicts a battery condition using the received temperature, current, and voltage for each of the plurality of battery cells, the first environmental information, and the condition experimental data. The battery condition includes a charge condition of the battery cells and a degradation condition of the battery cells.SELECTED DRAWING: Figure 2
【課題】電気自動車の外部環境と同一な環境で実験された電池情報に対する実験データを用いて、さらに正確な電池状態を予測すること。【解決手段】本開示は、電池パックに含まれた電池管理システムにより測定された複数の電池セルの温度、電流、電圧データを受信し、当該電池セルが用いられる車両から前記車両が走行中の第1環境情報を受信する第1通信部と、外部サーバから受信された多様な環境での電池セルまたはパックの状態に対する実験データを受信する第2通信部と、前記受信された複数の電池セルそれぞれの温度、電流、電圧、および前記第1環境情報と、前記状態実験データとを用いて、電池状態を予測する電池状態予測部と、を含み、前記電池状態は、電池セルの充電状態および電池セルの劣化状態を含む、電池状態予測装置を含む。【選択図】図2
BATTERY CONDITION PREDICTION DEVICE AND BATTERY CONDITION PREDICTION METHOD
電池状態予測装置および電池状態予測方法
2024-02-28
Patent
Electronic Resource
Japanese
IPC: | G01R Messen elektrischer Größen , MEASURING ELECTRIC VARIABLES / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / G16Y / H01M Verfahren oder Mittel, z.B. Batterien, für die direkte Umwandlung von chemischer in elektrische Energie , PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY / H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung |
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