Understanding power flows in HEV eCVT's with ultracapacitor boosting
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Architecture of the power split electronic continuously variable transmission, eCVT, relies on power flow through an electric path to enable an efficient bulk transmission of power via its mechanical path. To date, there is no commercially available simulation tool capable of modeling the complex eCVT architectures encountered in hybrid vehicles now on the road or those planned to be available after 2008. This paper addresses the need for a flexible planetary gear model in IEEE VHDL that is adaptable to eCVT's of the input and compound split type. 2005 IEEE.