BATTERY STATE OF CHARGE TRACKING, EQUIVALENT CIRCUIT SELECTION AND BENCHMARKING

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United States of America Patent

APP PUB NO 20140244193A1
SERIAL NO

14185790

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Abstract

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A method includes calculating a first estimated state of charge (SOC) of a battery at a first time, receiving a voltage value representing a measured voltage across the battery at a second time, calculating a filter gain at the second time, and calculating a second estimated SOC of the battery at the second time based on the first estimated SOC, the voltage value, and the filter gain. Another method includes storing, in a memory, a library of equivalent circuit models representing a battery, determining an operational mode of a battery based on a load associated with the battery, selecting one of the equivalent circuit models based on the determined operational mode, and calculating a state of charge of charge (SOC) of the battery using the selected equivalent circuit model.

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THE UNIVERSITY OF CONNECTICUT261 GLENBROOK ROAD STORRS CT 06269

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
AVVARI, Gopi Vinod Willimantic, US 2 26
BALASINGAM, Balakumar Storrs, US 2 26
BAR-SHALOM, Yaakov Mansfield, US 2 26
FRENCH, Brian Portsmouth, US 4 33
HWANG, Tai-Sik Portland, US 2 26
MEACHAM, James Gorham, US 3 28
PATTIPATI, Bharath Willimantic, US 7 26
PATTIPATI, Krishna Storrs, US 3 29
WILLIAMS, Travis Scarborough, US 7 28

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