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Automotive Engineering ›› 2025, Vol. 47 ›› Issue (11): 2093-2102.doi: 10.19562/j.chinasae.qcgc.2025.11.004

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Research on Energy Management Strategy for Hybrid Electric Flying Vehicles Based on an Improved TD3 Algorithm

Zhongkai Luan1,Yukun Shen1,Wanzhong Zhao1,Chunyan Wang1(),Jianhao Zhou1,Pengchang Jiang2   

  1. 1.College of Energy and Power Engineering,Nanjing University of Aeronautics and Astronautics,Nanjing 210016
    2.Nanjing Aolian New Energy Co. ,Ltd. ,Nanjing 210019
  • Received:2025-05-30 Revised:2025-07-24 Online:2025-11-25 Published:2025-11-28
  • Contact: Chunyan Wang E-mail:wcy2000@126.com

Abstract:

For severe power fluctuation, challenges in SOC and temperature control, frequent engine start-stop, and poor fuel economy in hybrid flying vehicles under air-ground coordination, in this paper a series connected architecture based on a turboshaft engine-generator set and battery collaborative power supply is constructed. An improved TD3 strategy (KI-TD3) is proposed, guided by structural priors. By incorporating the prior information of the engine’s economic working zone, positive working point reward, dynamic exploration mechanism, and action space restriction method are constructed to enhance the performance of the strategy. The simulation results show that the KI-TD3 strategy achieves better power distribution and battery control. Compared to standard TD3, it ensures more accurate SOC convergence to the target value of 0.25, stabilizes the temperature rise, concentrates engine operation in efficient zones, and cuts fuel use by 3.5%. Compared to DP, it further reduces fuel use by 5.2%, suppresses start-stop and power spikes, and keeps operation near minimum BSFC, significantly improving economy.

Key words: hybrid flying vehicle, structural prior knowledge, energy management, fuel economy