Research Article

Robust Online State of Charge Estimation of Lithium-Ion Battery Pack Based on Error Sensitivity Analysis

Table 1

SOC estimation error with different parameter error for a battery with the capacity of 8.8 Ah.

FactorsFactor error
0.2%0.5%1%2%5%10%20%30%

(%)
−0.0000037−0.0000092−0.0000183−0.0000362−0.0000879−0.000168−0.000308−0.000426
0.02960.0740.1480.2960.741.482.964.44
−0.2−0.5−1−2−5−10−20−30
1.453.627.2414.536.2