To provide a battery management system capable of correcting the offset of a current measurement device even when a charge/discharge current is constantly changing, and to provide vehicles.SOLUTION: A battery management system is provided, comprising an acquisition unit for acquiring measurements of a current measurement device when measuring a charge current flowing from a charger to a battery using the current measurement device, a current level computation unit configured to compute a level of the charge current flowing to the battery on the basis of a known level of current flowing from the charger, and a correction unit configured to correct the offset of the current measurement device according to the computed current level and a measured current level.SELECTED DRAWING: Figure 2
【課題】絶えず充放電電流が変化している場合でも、電流計測デバイスのオフセットを補正することが可能なバッテリー管理システムおよび車両を提供する。【解決手段】バッテリー管理システムは、充電器からバッテリーに流れる充電電流が電流計測デバイスにより計測される場合において、電流計測デバイスの計測値を取得する取得部と、充電器から流れる既知の電流値に基づいてバッテリーに流れる充電電流の電流値を算出する電流値算出部と、算出された電流値と計測値に基づいて、電流計測デバイスのオフセットを補正する補正部と、を備える。【選択図】図2
BATTERY MANAGEMENT SYSTEM AND VEHICLES
バッテリー管理システムおよび車両
13.03.2024
Patent
Elektronische Ressource
Japanisch
IPC: | G01R Messen elektrischer Größen , MEASURING ELECTRIC VARIABLES / H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / 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 |
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