In energy management of HEVs, taking an energy distribution scheme derived from the given EMS will bring in changes of the vehicle state and driving state. Meanwhile, energy consumption of the powertrain occurs simultaneously with the transition of vehicle states. This instantaneous energy (or fuel) consumption and the sum of energy (fuel) it consumes over the future will provide a criterion for judging the strategy performance. Then, a new energy distribution scheme should be calculated according to the current vehicle states to accomplish the energy management. This described process contains main elements including the interaction of the decision maker with the controlled object and the environment it belongs to, the policy (or strategy), states, actions, and costs (or rewards). Because the state transition process of the vehicle shows a distinct Markovian property [54], we will model and formulate the HEV energy management problem based on MDP theory. The general modeling part will be described in this chapter, while the similarities and differences of the modeling process for different energy management problems will be described in the relevant sections of subsequent chapters.


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    Title :

    Background: Deep Reinforcement Learning


    Contributors:
    Li, Yuecheng (author) / He, Hongwen (author)


    Publication date :

    2022-01-01


    Size :

    13 pages





    Type of media :

    Article/Chapter (Book)


    Type of material :

    Electronic Resource


    Language :

    English




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