Lithium battery residual life prediction method based on multi-scale integrated regression model
A life prediction and regression model technology, applied in special data processing applications, computer-aided design, design optimization/simulation, etc., can solve problems such as poor generalization ability, inability to fully consider the non-stationary problem of capacity data, and insufficient prediction stability , to achieve the effects of improving accuracy, reducing data complexity and instability, and improving prediction accuracy and robustness
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[0046] The present invention will be described in further detail below with reference to the accompanying drawings.
[0047] The present invention proposes a method for predicting the remaining life of a lithium battery based on a multi-scale integrated regression model, such as figure 1 Shown is the concrete flowchart of the present invention, comprises the following steps:
[0048] (1) Preprocessing lithium battery data: Divide the lithium battery data into three stages: charging, discharging, and impedance, and then filter out the discharging stage to extract the lithium battery capacity degradation data, and use the lithium battery capacity degradation data at time 1,...,t as In the training set, the lithium battery capacity degradation data after time t+1 is used as the prediction data set, where t represents the current moment;
[0049] Preprocess lithium battery data according to step (1). The lithium battery capacity degradation data comes from the NASA Research Cente...
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