Method for estimating states and parameters of an...

Details Method for estimating states and parameters of an... Method for estimating states and parameters of an...

2006-09-19

2006-09-19

Tso, Edward H. (Department: 2838)

Electricity: battery or capacitor charging or discharging

Battery or cell discharging

With charging

Reexamination Certificate

active

07109685

ABSTRACT:
A method of estimating a state of charge (SOC) and a state of health (SOH) of an electrochemical cell (EC) includes modeling the EC with a linear equation, measuring a terminal current of the EC, measuring a terminal voltage of the EC and measuring a temperature of the EC. The linear equation is processed through a time-varying state and parameter estimator based on the terminal current, the terminal voltage and the temperature to determine states and parameters of the EC.

REFERENCES:
patent: 5349540 (1994-09-01), Birkle et al.
patent: 6441586 (2002-08-01), Tate et al.
patent: 6618681 (2003-09-01), Hoenig et al.
patent: 6927554 (2005-08-01), Tate et al.

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