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Energy Management Strategy Based on Reinforcement Learning and Frequency Decoupling for Fuel Cell Hybrid Powertrain

Author

Listed:
  • Hongzhe Li

    (College of Electronic and Information Engineering, Tongji University, Shanghai 201804, China)

  • Jinsong Kang

    (Institute of Rail Transit, Tongji University, Shanghai 201804, China)

  • Cheng Li

    (CRRC Zhuzhou Electric Locomotive Research Institute Co., Ltd., Zhuzhou 412001, China)

Abstract

This study presents a Two-Layer Deep Deterministic Policy Gradient (TL-DDPG) energy management strategy for Hydrogen fuel cell hybrid train, that aims to solve the problem that traditional reinforcement learning strategies require high initial values and are difficult to optimize global variables. Augmenting the optimization capabilities of the inner layer, a frequency decoupling algorithm integrates into the outer layer, furnishing a fitting initial value for strategy optimization. This addition aims to bolster the stability of fuel cell output, thereby enhancing the overall efficiency of the hybrid power system. In comparison with the traditional reinforcement learning algorithm, the proposed approach demonstrates notable improvements: a reduction in hydrogen consumption per 100 km by 16.3 kg, a 9.7% increase in the output power stability of the fuel cell, and a 1.8% enhancement in its efficiency.

Suggested Citation

  • Hongzhe Li & Jinsong Kang & Cheng Li, 2024. "Energy Management Strategy Based on Reinforcement Learning and Frequency Decoupling for Fuel Cell Hybrid Powertrain," Energies, MDPI, vol. 17(8), pages 1-21, April.
    • Handle: RePEc:gam:jeners:v:17:y:2024:i:8:p:1929-:d:1378018
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    References listed on IDEAS

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    2. Wu, Jingda & He, Hongwen & Peng, Jiankun & Li, Yuecheng & Li, Zhanjiang, 2018. "Continuous reinforcement learning of energy management with deep Q network for a power split hybrid electric bus," Applied Energy, Elsevier, vol. 222(C), pages 799-811.
    3. Teng Liu & Yuan Zou & Dexing Liu & Fengchun Sun, 2015. "Reinforcement Learning–Based Energy Management Strategy for a Hybrid Electric Tracked Vehicle," Energies, MDPI, vol. 8(7), pages 1-18, July.
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