An Experimental Investigation to Improve Lead Acid Battery Recharging Algorithms for Environmental Performance

Perform functional testing of lead acid batteries to demonstrate potential improvements to battery charging algorithms Rationale -Improving charging algorithms can improve battery lifetime -Current charging algorithms are constant voltage and may only provide for temperature compensation (if at all)...

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Hauptverfasser: Ding, Yi, Zanardelli, Sonya, Jones, Stanley, Mendoza, John, Wang, Daniel
Format: Report
Sprache:eng
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Zusammenfassung:Perform functional testing of lead acid batteries to demonstrate potential improvements to battery charging algorithms Rationale -Improving charging algorithms can improve battery lifetime -Current charging algorithms are constant voltage and may only provide for temperature compensation (if at all) -Variable voltage algorithms that also incorporating state-of-charge compensation can improve battery charge operations -Improving battery state of knowledge (charge status) can extend battery usage beyond SLI (starting, lights, ignition) operations to enable silent watch operations Approach -Characterize lead acid battery performance as a function of temperature -Three test phases identified and are being executed -Characterize battery environmental performance (OCV, resistance and capacity tests according to MIL-PRF-32143A) -Controlled alternator charging performance -Vehicle simulation tests Submitted to 2012 NDIA Ground Vehicle Systems Engineering and Technology Symposium August 14-16 Troy, Michigan