9Moren J, Ortuzar M E, Dixon J W. Energy-management system for a hybrid electric vehicle, using ultra-capacitors and neural networks[J]. IEEE Transaction on Industry Applications, 2006,53 (2) : 614-623.
10Vinot E, Trigui R. Optimal energy management of HEVs with hybrid storage system[J]. Energy Conversion and Management, 2013,76 (30) :437-452.