An electric vehicle power battery SOC detection system
A technology for electric vehicles and detection systems, which is applied in the direction of measuring electricity, measuring devices, measuring electrical variables, etc., can solve the problems of difficult to achieve ideal results and high real-time requirements, achieve good nonlinear approximation ability, reduce the number of training, and improve simulation. The effect of combined accuracy and generalization ability
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[0023] 1. Overall design of battery SOC detection system
[0024] The battery SOC detection system should have the following functions: 1) Parameter detection. Collect battery charging and discharging status in real time, and collect battery data including voltage, battery current, battery temperature, and battery voltage of single module; 2) SOC estimation. The system should collect parameters such as charge and discharge current and voltage in real time, and estimate the SOC through the corresponding algorithm. The remaining energy of the battery is equivalent to the amount of oil in a traditional car; 3) thermal management. The temperature of the battery is collected in real time, and the temperature of the battery is prevented from being too high through the control of the cooling device; 4) balanced control. Due to the individual differences of each battery and different usage status, the inconsistency of the battery will become more and more serious during the use proce...
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