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The efficiency improvement of Hybrid Electric Vehicle (HEV) is strongly dependent on the system-level control of the power flow in both the mechanical and the electrical paths of the vehicle. This is realized by the HEV control strategy. In this paper, a control strategy is proposed for a medium sized Series Hybrid Electric Vehicle (SHEV) designed for campus and gymnasium. The control strategy is...
In this paper, an innovative power-split device (PSD) is introduced, and its application in a hybrid powertrain system is studied. The new PSD is a mechanism that allows operation in two different power-split modes through locking/unlocking of two clutches. In one mode, the PSD operates similar to a standard planetary gear unit, and in the other mode, it works the same as a compound planetary set...
In order to reduce fuel consumption and emissions in plug-in hybrid electric vehicles (PHEVs), it is equally important to select an appropriate drive train topology and to develop a suitable power flow control strategy. There are many control strategies that have been developed and presented. Most of them are expansions of hybrid electric vehicle control strategies and do not maximize the true potential...
In this study, comparative analysis of several types of power distribution and control strategies widely developed and used in the current fuel cell hybrid vehicles is presented, involving control theory, optimization methods and application. And a conclusion is drawn that fuzzy control strategies of power distribution is applicable for hybrid system characteristics of the existing fuel cell electric...
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