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Abstract:
To achieve real-time control in random driving cycles and prolong battery life for plug-in hybrid electric vehicles (PHEV), a battery aging-aware energy management strategy with dual-state feedback control is proposed based on multiple neural networks (Multi-NN) learning algorithms to minimize the life cycle cost (LCC). First, the offline optimal control results prepared for real-time strategy knowledge learning are obtained by an improved Pontryagin's minimum principle (PMP). Second, the determination coefficient is introduced to determine the train data for neural network learning. Besides, a k-means algorithm is used to cluster the offline optimal control sequences into three sub-data clusters, which are used as the training data of the sub-neural networks. Then, an online driving pattern recognition method based on generalized regression neural network is trained to select the corresponding sub-neural network. Finally, dual-state feedback control is applied to the energy management strategy by introducing the reference SOC and reference effective Ah-throughput. The simulation validations show that the LCC of the proposed strategy is similar to the LCC of PMP considering battery aging under three random driving cycles, and the LCC is reduced by 20.97, 22.25 and 22.28% compared with CD-CS.
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JOURNAL OF ENERGY STORAGE
ISSN: 2352-152X
Year: 2022
Volume: 46
9 . 4
JCR@2022
8 . 9 0 0
JCR@2023
ESI Discipline: ENGINEERING;
ESI HC Threshold:66
JCR Journal Grade:1
CAS Journal Grade:3
Cited Count:
WoS CC Cited Count: 6
SCOPUS Cited Count: 9
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count:
Chinese Cited Count:
30 Days PV: 4
Affiliated Colleges: