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Lead Acid Battery Analysis using S-Transform
International Journal on Advanced Science, Engineering and Information Technology
This paper proposes a new signal processing technique using time-frequency distribution (TFD), namely S-transform (ST) for battery parameters estimation. Compared to other TFDs such as short time Fourier transform (STFT) and wavelet transform (WT), ST technique offers more promising results in a low frequency application analysis, especially battery. The results of the ST are the parameters of instantaneous means square voltage (V RMS (t)), instantaneous direct current voltage (V DC (t)) anddoi:10.18517/ijaseit.7.5.2289 fatcat:4qachyp7wze73kjsqzrhanyt5y