Method of controlling battery charge level of hybrid...

Details Method of controlling battery charge level of hybrid... Method of controlling battery charge level of hybrid...

2011-04-26

2011-04-26

Tso, Edward (Department: 2858)

Electricity: battery or capacitor charging or discharging

Battery or cell discharging

With charging

C320S136000, C320S162000

Reexamination Certificate

active

07932699

ABSTRACT:
A method of controlling a battery charge level of a hybrid electric vehicle includes: monitoring a quantity of current accumulated for a predetermined time based on a battery charge/discharge current value; calculating a regenerative charge derating constant; calculating a correction coefficient based on the quantity of current accumulated and a battery state of charge; multiplying the regenerative charge derating constant by the correction coefficient to calculate a final regenerative charge derating constant; and multiplying the final regenerative charge derating constant by a charge power to calculate a final charge power, and selectively restricting the battery charge level based on the final charge power.

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