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Implementation of real-time energy management strategy based on reinforcement learning for hybrid electric vehicles and simulation validation.


ABSTRACT: To further improve the fuel economy of series hybrid electric tracked vehicles, a reinforcement learning (RL)-based real-time energy management strategy is developed in this paper. In order to utilize the statistical characteristics of online driving schedule effectively, a recursive algorithm for the transition probability matrix (TPM) of power-request is derived. The reinforcement learning (RL) is applied to calculate and update the control policy at regular time, adapting to the varying driving conditions. A facing-forward powertrain model is built in detail, including the engine-generator model, battery model and vehicle dynamical model. The robustness and adaptability of real-time energy management strategy are validated through the comparison with the stationary control strategy based on initial transition probability matrix (TPM) generated from a long naturalistic driving cycle in the simulation. Results indicate that proposed method has better fuel economy than stationary one and is more effective in real-time control.

SUBMITTER: Kong Z 

PROVIDER: S-EPMC5495435 | biostudies-literature | 2017

REPOSITORIES: biostudies-literature

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Implementation of real-time energy management strategy based on reinforcement learning for hybrid electric vehicles and simulation validation.

Kong Zehui Z   Zou Yuan Y   Liu Teng T  

PloS one 20170703 7


To further improve the fuel economy of series hybrid electric tracked vehicles, a reinforcement learning (RL)-based real-time energy management strategy is developed in this paper. In order to utilize the statistical characteristics of online driving schedule effectively, a recursive algorithm for the transition probability matrix (TPM) of power-request is derived. The reinforcement learning (RL) is applied to calculate and update the control policy at regular time, adapting to the varying drivi  ...[more]

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