Electrified vehicle control to reduce battery sensor heat generation

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United States of America Patent

PATENT NO 11787306
APP PUB NO 20220212561A1
SERIAL NO

17142990

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Abstract

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An electrified vehicle, system, and control method include a traction battery having a first plurality of cells and a second plurality of cell monitoring circuits each having an associated at least one of the first plurality of cells, and a controller configured to control the cell monitoring circuits to measure voltage of the associated cells at an initial frequency until a state of charge (SOC) of the traction battery is established, and to measure voltage of the associated cells at a second frequency based on the SOC after the SOC is established to reduce heat generation of the cell monitoring circuits. The cell monitoring circuits may be controlled to asynchronously measure associated cell voltage and/or to reduce voltage/current conversion time when delta cell voltage and battery pack current are below respective thresholds.

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Patent Owner(s)

  • FORD GLOBAL TECHNOLOGIES, LLC

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Gibeau, John Paul Canton, US 61 373
Tabatowski-Bush, Benjamin A Ann Arbor, US 71 352
Wang, Baojin Saline, US 23 47

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