[IEEE 2016 International Conference on Electrical Systems for Aircraft, Railway, Ship Propulsion and Road Vehicles & International Transportation Electrification Conference (ESARS-ITEC) - Toulouse, France (2016.11.2-2016.11.4)] 2016 International Conference on Electrical Systems for Aircraft, Railway, Ship Propulsion and Road Vehicles & International Transportation Electrification Conference (ESARS-ITEC) - TCO improvement of commercial electric vehicles using battery sizing and intelligent charge method