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In this paper, an aging estimation method is proposed for the lead-acid batteries serially connected in a string. This method can prevent the potential battery failure and guarantee the battery availability, and it can serve as an indicator for aging or degradation of the lead-acid battery. The salient feature of the proposed method is that aging of the individual battery is estimated automatically...
The spatial distribution and variation of six heavy metals and metalloid in soil of Zhuji Lipu copper mining area was studied using geostatistics approaches combined with GIS. These elements included Pb, As, Cr, Cu, Zn and Ni. The statistical analyses showed that concentrations of these elements were lognormal distribution. Concentrations of Pb, As, Cu, Zn and Ni were strongly correlated with each...
This paper presents a method for diagnosing the degradation of the lead-acid battery unit. This method can diagnose the degradation of the lead-acid battery unit caused by internal short, opening of internal short or cell reversal. The salient feature of the proposed method is that the state-of-health (SOH) of the battery unit is estimated automatically at the end of each discharge cycle by measuring...
Abstract -In this paper, an intelligent aging estimation method based on Sample Entropy (SampEn) is proposed for the lead-acid batteries serially connected in a string. This method can prevent the potential battery failure and guarantee the battery availability. Since SampEn can quantify the regularity of a data sequence, it can serve as an indicator for the aging or degradation of the lead-acid battery...
In this paper, a residual capacity estimation method based on the multilevel Peukert equations is proposed for the lead-acid battery. Multilevel Peukert equations and ampere hour accumulation are used in this paper to estimate residual capacity of the battery, and several Peukert equations are used for different range of discharge current to improve the accuracy of the conventional Peukert methods...
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