System for calculating remaining capacity of energy storage...

Details System for calculating remaining capacity of energy storage... System for calculating remaining capacity of energy storage...

2006-11-14

2006-11-14

Hoff, Marc S. (Department: 2857)

Data processing: measuring, calibrating, or testing

Measurement system in a specific environment

Electrical signal parameter measurement system

C702S079000, C702S182000, C324S427000, C324S428000, C320S132000, C320S136000, C361S018000, C361S056000, C361S079000

Reexamination Certificate

active

07136762

ABSTRACT:
The remaining capacity of a battery obtained by integrating current and that obtained from the estimated open circuit voltage of the battery are weighted with a weight which varies depending on the operating conditions of the battery as needed and the weighted remaining capacities are combined into the final remaining capacity. Thus, the disadvantages of the remaining capacity based on current integration and those of the remaining capacity based on the estimated open circuit voltage cancel each other out and the advantages of the respective remaining capacities can be fully utilized. The uniform calculation accuracy can be ensured and the final remaining capacity can always be obtained with accuracy.

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Pascoe et al., ‘VRLA Battery Capacity Estimation Using Soft Computing Analysis of the Coup de Fouet Region’, 2000, IEEE Publicaiton, pp. 589596.

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