Method and apparatus of determining performance for battery for mild hybrid electric vehicle
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United States of America Patent
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Oct 2, 2018
Grant Date -
Jan 25, 2018
app pub date -
Nov 2, 2016
filing date -
Jul 19, 2016
priority date (Note) -
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Abstract
A method for determining performance of a battery for a mild hybrid electric vehicle may include detecting a speed of the mild hybrid electric vehicle, a position value of an accelerator pedal, a position value of a brake pedal, and a state of charge (SOC) of the battery, determining whether a regenerative braking condition is satisfied, determining a demand braking amount of a driver, determining a regenerative braking allowance, operating a mild hybrid starter and generator (MHSG) to generate regenerative braking torque corresponding to the regenerative braking allowance, determining a target SOC increment amount, determining an actual SOC increment amount, and determining that the performance of the battery is deteriorated when a difference in value between the target SOC increment amount and the actual SOC increment amount is equal to or greater than a reference value.
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