Fig. 1. Diagram of battery state information acquisition system.
Fig. 2. EV driving routes.
Fig. 3. Altitude of EV driving routes.
Fig. 4. Voltage, current and SOC during driving along different routes and charging mode.
Fig. 5. Battery voltage output for three routes.
Fig. 6. Battery current output for three routes.
Fig. 7. Battery SOC output for three routes.
Fig. 8. Relative frequency of C-rate in log-scale.
Fig. 9. Equivalent circuit of EV battery.
Fig. 10. Frequency of internal series resistance for three routes.
Fig. 11. Estimated SOC for Sungpanak route.
Fig. 12. SOH estimation for 1100-goji route.
Fig. 13. SOH estimation for Sungpanak route.
Fig. 14. SOH estimation for Haeandoro route.
TABLE I AVERAGE C-RATE OF DISCHARGING AND REGENERATIVE CHARGING MODES FOR THREE ROUTES
TABLE II EV BATTERY SPECIFICATION
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