Peak power prediction method for power battery
A technology of peak power and prediction method, which is applied in the measurement of electric power, measurement of electric power, electric vehicles, etc., can solve the problems of poor reliability, inability to improve power estimation, inaccurate power estimation, and large error of the first-order RC model.
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[0139] Specific Embodiments 1. A peak power prediction method for a power battery,
[0140] The invention discloses a method for estimating the peak value of a power battery. The method includes two parts: A is based on the simplified electrochemical impedance spectrum equivalent circuit model and online parameter estimation of the fractional joint Kalman filter; B is based on the zero state response and zero Input Response Decomposition for Battery Peak Power Prediction Method.
[0141] The specifics of the method are: a battery power prediction method based on a simplified electrochemical impedance spectroscopy equivalent circuit model, fractional joint Kalman filter, zero-state response and zero-input response decomposition. It is achieved by the following steps:
[0142] Step 1. According to the test results of the electrochemical impedance spectroscopy of the battery, since in the impedance spectroscopy, the equivalent circuit model of the electrochemical impedance spect...
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