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Both of the electric variable transmission (EVT) and Toyota Hybrid System (THS) can be used as an power split device in the hybrid electric vehicles (HEVs). They can make the internal combustion engine (ICE) independent of the road loads and run in the high efficiency area to reduce the fuel consumption as well as emissions. However, the planetary gears of THS make serious vibration and noise, limiting...
In the design of hybrid vehicles, it is important to identify proper component sizes along with the optimal control. When the design search space is large, exhaustive optimal control strategies, such as dynamic programming (DP) is too time consuming to be used. Instead, a near-optimal method that is orders of magnitude faster than DP is needed. One such near-optimal method is developed and presented...
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