Research Article
Robust Online State of Charge Estimation of Lithium-Ion Battery Pack Based on Error Sensitivity Analysis
Table 3
SOC estimation error with different parameter error and rate for a battery with the capacity of 90 Ah.
| Factor error | Current rate | 0.5 C | 1 C | 1.5 C | 2 C |
| (%) | | | | | | 2% | −0.00007 | −0.00014 | −0.00020 | −0.00027 | 5% | −0.00017 | −0.00033 | −0.00050 | −0.00066 | 10% | −0.00032 | −0.00063 | −0.00095 | −0.0013 | 20% | −0.00058 | −0.00116 | −0.00174 | −0.00231 | | | | | | 2% | 0.3375 | 0.6750 | 1.013 | 1.350 | 5% | 0.8438 | 1.688 | 2.531 | 3.375 | 10% | 1.688 | 3.375 | 5.063 | 6.750 | 20% | 3.375 | 6.750 | 10.13 | 13.50 | 30% | 5.063 | 10.13 | 15.19 | 20.25 |
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