adilkhan095/SOC-Estimation-of-Li-ion-battery-using-Kalman-filter
The State of charge (SOC) is an important parameter to find the capacity of state. It is equivalent to the fuel gauge for a battery pack in a battery electric vehicle. There are different general methods to precisely estimate the battery SOC using voltage, current integration and pressure but each has its certain drawbacks. Accurate estimation of SOC is one of the major issues in a Battery Management System. To overcome these shortcomings, a Kalman filter is used which is able to adjust to the battery voltage and coulomb counting in real time. To estimate the SOC in both the batteries, an RC circuit is considered and its parameters are calculated and rewritten in state space form which in turn is converted to discrete time form to estimate SOC.