State variable and parameter estimator comprising several partial models for an electrical energy storage device
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Abstract
A state variable and parameter estimator for determining state variables and parameters of a mathematical energy storage model, especially of a battery model, which calculates the state variables and the parameters from operating variables of an energy storage device. A particularly simple estimation of the state variables and the parameters may be carried out if the state variable and parameter estimator includes a plurality of mathematical submodels which are valid for different working ranges and/or frequency ranges of the energy storage device.
58 Citations
30 Claims
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1-14. -14. (canceled)
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15. A method for determining state variables and parameters of a mathematical energy storage model by a state variable and parameter estimator, comprising:
causing the state variable and parameter estimator to calculate the state variables and the parameters of the mathematical energy storage model from operating variables of an energy storage device, wherein;
the state variable and parameter estimator includes a plurality of mathematical submodels that are validly applicable for at least one of different working ranges and different frequency ranges of the energy storage device. - View Dependent Claims (16, 17, 18, 19, 20, 21, 22, 23, 25)
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24. A state variable and parameter estimator for determining state variables and parameters of a mathematical energy storage model, comprising:
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an arrangement for calculating the state variables and the parameters from operating variables of an energy storage device; and
an arrangement for storing a plurality of submodels that are valid for at least one of different working ranges and different frequency ranges of the energy storage device. - View Dependent Claims (26, 27, 28, 29, 30)
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Specification