BATTERY CHARACTERISTIC EVALUATOR
First Claim
1. A battery characteristic evaluator configured to identify a circuit constant of an equivalent circuit model based on a current-voltage characteristic of a battery, the evaluator comprising:
- a current waveform divider configured to divide a certain current waveform into a plurality of step functions with a plurality of infinitesimal time intervals and output the step functions; and
a circuit constant optimizing unit configured to calculate the optimized circuit constant of the equivalent circuit model, based on the step functions, a measured voltage value, and equivalent circuit model data.
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Accused Products
Abstract
There is provided a battery characteristic evaluator configured to identify a circuit constant of an equivalent circuit model based on a current-voltage characteristic of a battery. The battery characteristic evaluator includes: a current waveform divider configured to divide a certain current waveform into a plurality of step functions with a plurality of infinitesimal time intervals and output the step functions; and a circuit constant optimizing unit configured to calculate the optimized circuit constant of the equivalent circuit model, based on the step functions, a measured voltage value, and equivalent circuit model data.
10 Citations
8 Claims
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1. A battery characteristic evaluator configured to identify a circuit constant of an equivalent circuit model based on a current-voltage characteristic of a battery, the evaluator comprising:
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a current waveform divider configured to divide a certain current waveform into a plurality of step functions with a plurality of infinitesimal time intervals and output the step functions; and a circuit constant optimizing unit configured to calculate the optimized circuit constant of the equivalent circuit model, based on the step functions, a measured voltage value, and equivalent circuit model data. - View Dependent Claims (2, 5, 6)
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3. A battery characteristic evaluator configured to identify a circuit constant of an equivalent circuit model based on a current-voltage characteristic of a battery, the evaluator comprising:
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a voltage waveform divider configured to divide a certain voltage waveform into a plurality of step functions with a plurality of infinitesimal time intervals and output the step functions; and a circuit constant optimizing unit configured to calculate the optimized circuit constant of the equivalent circuit model, based on the step functions, a measured current value, and equivalent circuit model data. - View Dependent Claims (4, 7, 8)
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Specification