Lithium ion power battery SOC dynamic estimation method and system, equipment and medium
A power battery and lithium-ion technology, applied in the field of dynamic SOC estimation of lithium-ion power batteries, can solve problems such as inability to balance accuracy and computational complexity, not being practical enough, and the SOC estimation method is not simple enough
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[0098] In order to make the purpose, technical solution and advantages of the present application clearer, the present application will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present application, and are not intended to limit the present application.
[0099] In one embodiment, such as figure 1 As shown, a method for dynamically estimating the SOC of a lithium-ion power battery is provided, including the following steps:
[0100] Step 101, modeling the equivalent circuit of the lithium-ion power battery, reading the parameters of the battery model and the initial battery SOC value, and using the least squares method to identify and calculate the parameters of the battery model to obtain corresponding model parameters;
[0101] Step 102, constructing a basic formula for power battery SOC estimation according to the model...
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