期刊
IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT
卷 60, 期 6, 页码 1997-2006出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TIM.2011.2115630
关键词
Battery management; battery-powered device; nickel-metal hydride (Ni-MH); state-of-health (SoH) prediction
资金
- Romanian Ministry of Education and Research [PNCDI II ID-22/2007-2010]
Battery-powered embedded systems have known a rapid evolution in recent years, as nickel-metal hydride (Ni-MH) battery technology has enabled important reductions in size and proportional increases in total capacity over the older nickel-cadmium (Ni-Cd) and lead-acid battery types. This paper addresses the problem of state-of-health (SoH) estimation and prediction for use in resource-constrained Ni-MH-battery-powered embedded systems. We propose a novel SoH prediction methodology, presenting both a theoretical analysis of the estimation algorithm and the detailed description of hardware and software implementation. Two versions of estimation algorithms are proposed, along with the analysis of their performances in terms of prediction accuracy and required processing power, as the SoH prediction is designed to run online, being part of an embedded battery management system.
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