State of charge estimation algorithm for lithium battery monomer
A state of charge and estimation algorithm technology, applied in the direction of measuring electricity, measuring electrical variables, measuring devices, etc., can solve problems such as unrealistic, state of charge estimation errors, etc., and achieve the goal of ensuring effectiveness, improving accuracy, and ensuring accuracy Effect
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[0045] The specific implementation manners of the embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be understood that the specific implementations described here are only used to illustrate and explain the embodiments of the present invention, and are not used to limit the embodiments of the present invention.
[0046] Such as figure 1 As shown, in one embodiment of the present invention, two estimators based on the equivalent circuit model and the data-driven battery model are included, as well as the fusion of the weight calculation and the final estimation result. The key links include: second-order RC equivalent circuit model, partial least squares model, Kalman filter, Akaike weight calculation, etc. Such as figure 1 As shown, the measured value of the current I t And state of charge The estimated value of is used as the input of the two battery models, and the output of the model is the predicte...
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