Research Article
State of Charge Estimation Based on Microscopic Driving Parameters for Electric Vehicle's Battery
Table 2
Results of parameters calibration for power consumption rate models.
| | Variable | Accelerating | Decelerating | Cruising | Idling | | coefficients (-value) | coefficients (-value) | coefficients (-value) | coefficients |
| | Constant | 1.862 (14.816) | 1.098 (18.314) | 0.602 (2.704) | 3.62 | | 0.226 (2.132) | 0.317 (4.743) | 0.633 (3.002) | — | | — | 0.025 (42.068) | 0.037 (10.492) | — | | — | — | — | — | | — | (12.008) | (−3.314) | — | | — | — | — | — | | — | — | — | — | | — | — | — | — | | 0.098 (23.0313) | 0.115 (49.117) | — | — | | — | 0.152 (35.344) | — | — | | −0.030 (−6.753) | 0.053 (28.475) | — | — | | — | — | — | — | | — | — | — | — | | — | — | — | — | | — | — | — | — | | (−13.667) | (−13.310) | — | — | | (12.637) | — | — | — | | Adjusted | 0.947 | 0.894 | 0.927 | — |
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is the instantaneous vehicle speed, km/h; is the acceleration, m/s2; is the initial SOC for each second, %; is the coefficient of determination.
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