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A learning method for energy optimization of the plug-in hybrid electric bus

Author:
Sun, Yong   Chen, Zheng   Yan, BingJie   You, SiXiong  


Journal:
Science China Technological Sciences


Issue Date:
2015


Abstract(summary):

The optimal energy management for a plug-in hybrid electric bus (PHEB) running along the fixed city bus route is an important technique to improve the vehicles’ fuel economy and reduce the bus emission. Considering the inherently high regularities of the fixed bus routes, the continuous state Markov decision process (MDP) is adopted to describe a cost function as total gas and electric consumption fee. Then a learning algorithm is proposed to construct such a MDP model without knowing the all parameters of the MDP. Next, fitted value iteration algorithm is given to approximate the cost function, and linear regression is used in this fitted value iteration. Simulation results show that this approach is feasible in searching for the control strategy of PHEB. Simultaneously this method has its own advantage comparing with the CDCS mode. Furthermore, a test based on a real PHEB was carried out to verify the applicable of the proposed method.


Page:
1242-1249


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