Monitoring sealed automotive lead-acid batteries by sparse-impedance spectroscopy
B Hariprakash S K Martha A K Shukla
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A reliable diagnostics of lead-acid batteries would become mandatory with the induction of an improved power net and the increase of electrically assisted features in future automobiles. Sparse-impedance spectroscopic technique described in this paper estimates the internal resistance of sealed automotive lead-acid batteries in the frequency range 10 Hz-10 kHz, usually produced by the alternators fitted in the automobiles. The state-of-health of the battery could be monitored from its internal resistance.
B Hariprakash1 S K Martha1 A K Shukla1
Volume 135, 2023
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