ELECTRIC POWER SOURCE CONTROL DEVICE, CONTROL METHOD, AND STORAGE MEDIUM
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United States of America Patent
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Issued Date -
Dec 28, 2023
app pub date -
Apr 13, 2023
filing date -
Apr 13, 2023
priority date (Note) -
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Abstract
An electric power source control device includes an acquisition unit that acquires a charging/discharging current of a low-voltage battery, a detection unit that detects a predetermined operation executed with respect to a high-voltage battery, and a determining unit that determines presence/absence of an abnormality with respect to a connection state of the low-voltage battery, based on the charging/discharging current. When the predetermined operation is detected, the determining unit determines whether a state in which the charging/discharging current is no greater than a first threshold value continues for a first duration of time, controls an electric power converter when the state continues for the first duration of time, and further determines whether the state continues for a second duration of time longer than the first duration of time, and determines that the connection state of the low-voltage battery is abnormal when the state continues for the second duration of time.
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