Optimal energy management strategy for hybrid electric tracked vehicles
by Yuan Zou; Feng-Chun Sun; Cheng-Ning Zhang; Jun-Qiu Li
International Journal of Vehicle Design (IJVD), Vol. 58, No. 2/3/4, 2012

Abstract: A Dynamic Programming (DP) technique is used to design an optimal power distribution energy management strategy between the diesel engine-generator and traction battery for a hybrid electric tracked vehicle. A mathematical model incorporating the vehicle's dynamics, driving schedule data from the field tests and powertrain is developed. A control strategy based on the passive power covering concept is initially designed. An optimal one is then designed through the DP approach and DP-based battery sizing is properly adopted. The performance of the new control strategy is tested through simulations. Significant fuel economy improvement is observed.

Online publication date: Wed, 31-Dec-2014

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