2Iwai N. Analysis on fuel economy and advanced systems of hybrid vehicles [J]. JSAE Review, 1999,(20):3-11.
3Raman Z, Butler K L. A compariosn study between two parallel hybrid control concepts[EB/OL]. www.elecpubs. sae. org,SAE Paper 2000-01-0994.
4Karin Jonasson, Petter Strandh. Comparative study of generic hybrid topologies[A]. Proceedings of the18th International Electric Vehicle Symposium [DB/CD]. Berlin, Germany:World Electric Vehicle Association, 2001.