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5600mah 2s lipo battery modeling basics

Today, CNHL will bring you the analysis method, modeling method and model type of the equivalent model of 5600mah 2s lipo battery . Interested partners will go and have a look.


5600mah 2s lipo battery equivalent model analysis method


The establishment of the equivalent model of 5600mah 2s lipo battery has two methods: theoretical analysis and experimental analysis. Theoretical analysis is based on understanding and studying the internal laws of 5600mah 2s lipo battery, and deriving the dynamic equation of the changing law of 5600mah 2s lipo battery; experimental analysis needs to collect the input and output signals of 5600mah 2s lipo battery, and establish an equivalent based on the collected signals. model, and perform parameter identification processing on the established model.
The physical and chemical changes inside the 5600mah 2s lipo battery are very complex, and the battery dynamic equation derived based on electrochemical theory is difficult to apply in practice, so in most cases, experimental analysis methods are often used.


Equivalent model modeling method of 5600mah 2s lipo battery


In order to predict the behavior of the 5600mah 2s lipo battery, many different models have been established, but there is no one model that can fully simulate the dynamic behavior of the 5600mah 2s lipo battery under any operating condition.
The equivalent model of 5600mah 2s lipo battery can be divided into empirical model and electrochemical model according to the modeling method.
The empirical model is based on the sample data and the system identification method to obtain the 5600mah 2s lipo battery kinetic alternative model. Its advantages are controllable complexity and low modeling cost, but the disadvantages are that the physical and chemical meanings of the model parameters are not obvious and the robustness is poor. .
The electrochemical model is a mathematical expression to obtain the dynamic characteristics of the 5600mah 2s lipo battery through the mechanism analysis method. engineering applications.


5600mah 2s lipo battery equivalent model type


According to the different model establishment mechanism of 5600mah 2s lipo battery, the equivalent model of 5600mah 2s lipo battery can be divided into simple electrochemical model, intelligent mathematical model and equivalent circuit model.
The electrochemical model of the 5600mah 2s lipo battery is complex and difficult to apply to actual products, mainly used to assist the design and manufacture of batteries;
The intelligent mathematical model of 5600mah 2s lipo battery is mainly a neural network model, which can theoretically complete battery modeling, but its practical application is limited due to the need for a large amount of actual data for training, high technical threshold and long processing time;
The equivalent circuit model of 5600mah 2s lipo battery is widely used due to its clear physical meaning and simple mathematical expression. Due to the nonlinearity of battery characteristics such as current, power, SOC and temperature, if these factors are to be fully considered in the modeling of 5600mah 2s lipo battery, the complexity of the calculation will be increased, and the general controller cannot meet the requirements.
The above is all about the modeling of 5600mah 2s lipo battery, I hope it will help you.

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