Abstract
This paper presents the hybrid technique to estimate the State of Charge (SoC) and State of Health (SoH) of a battery in real time. The technique described in this paper employs: (1) Coulomb Counting Method, (2) Electrical Circuit Model and (3) Mathematical model based on Peukert Law to estimate these parameters. The paper presents the method of estimating the internal resistance of the battery to determine the open circuit voltage so as to estimate the SoC and SoH. The proposed technique is simulated using Simulink/MATLAB and results were validated experimentally.
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