Calculation device calculating available capacity of...

Details Calculation device calculating available capacity of... Calculation device calculating available capacity of...

2007-04-03

2007-04-03

Barlow, John (Department: 2863)

Data processing: measuring, calibrating, or testing

Measurement system in a specific environment

Electrical signal parameter measurement system

Reexamination Certificate

active

10570311

ABSTRACT:
A method of calculating an available capacity includes the steps of: calculating a first estimated SOC from a value in voltage; calculating an integral of a value of a current and adding the integral to calculate a second estimated SOC; calculating a difference between the first and second estimated SOCs; calculating a first correction coefficient R(1) from the value in voltage; calculating a second correction coefficient R(2) to be smaller for the current having a smaller value; and adding the second estimated SOC to an correction term, or the dSOC multiplied by R(1) and R(2), to calculate a corrected SOC.

REFERENCES:
patent: 5422822 (1995-06-01), Toyota et al.
patent: 6845332 (2005-01-01), Teruo
patent: 2004/0138836 (2004-07-01), Ishishita et al.
patent: 2005/0017725 (2005-01-01), Murakami et al.
patent: A-06-006901 (1994-01-01), None
patent: A-2000-166109 (2000-06-01), None
patent: A-2003-149307 (2003-05-01), None

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