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Defan Feng

Southern University of Science and Technology

No 1088, xueyuan Rd.

Xili, Nanshan District

Shenzhen, 518055

China

  • Southern University of Science and Technology

SCHOLARLY PAPERS

10

DOWNLOADS

467

TOTAL CITATIONS

0

Scholarly Papers (10)

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1.

Stable Energy Management for Highway Electric Vehicle Charging Based on Reinforcement Learning

Downloads 94 (753,595)

Stable Energy Management for Highway Electric Vehicle Charging Based on Reinforcement Learning

Number of pages: 17 Posted: 06 Dec 2024
Hongbin Xie, Ge Song, Zhuoran Shi, Likun Peng, Defan Feng and Xuan Song
Southern University of Science and Technology, Southern University of Science and Technology, Southern University of Science and Technology, Peking University, Southern University of Science and Technology and Southern University of Science and Technology
Downloads 59 (1,038,620)

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Highway energy management, Electric vehicle charging, Reinforcement learning, GPT model, Stable decision-making

Stable Energy Management for Highway Electric Vehicle Charging Based on Reinforcement Learning

Number of pages: 17 Posted: 04 Nov 2024
Hongbin Xie, Ge Song, Zhuoran Shi, Likun Peng, Defan Feng and Xuan Song
Southern University of Science and Technology, Southern University of Science and Technology, Southern University of Science and Technology, Peking University, Southern University of Science and Technology and Southern University of Science and Technology
Downloads 35 (1,296,409)

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Highway energy management, Electric vehicle charging, Reinforcement learning, GPT model, Stable decision-making

2.

Long-Term Efficient Energy Management for Multi-Station Collaborative Electric Vehicle Charging: A Transformer-Based Multi-Agent Reinforcement Learning Approach

Number of pages: 16 Posted: 11 Mar 2025
Ge Song, Hongbin Xie, Jingyuan Zhang, Hongdi Fu, Zhuoran Shi, Defan Feng, Xuan Song and Haoran Zhang
Southern University of Science and Technology, Southern University of Science and Technology, Southern University of Science and Technology, Peking University, Southern University of Science and Technology, Southern University of Science and Technology, Southern University of Science and Technology and Peking University
Downloads 79 (844,901)

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Energy management, Electric vehicle charging, Transformer, Multi-agent reinforcement learning

3.

Risk-Aware RLHF with Prompt-Guided Coordination for Robust Energy Scheduling across Multi-Site Systems

Downloads 75 (924,743)

Risk-Aware RLHF with Prompt-Guided Coordination for Robust Energy Scheduling across Multi-Site Systems

Number of pages: 15 Posted: 10 Dec 2025
Ge Song, Haoran Zhang, Hongbin Xie, Jingyuan Zhang, Mingkun Jiang, Defan Feng, Liyu Zhang, Weiyao Yang and Xuan Song
Southern University of Science and Technology, Peking University, Southern University of Science and Technology, Southern University of Science and Technology, affiliation not provided to SSRN, Southern University of Science and Technology, Peking University, Peking University and Southern University of Science and Technology
Downloads 52 (1,095,444)

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Carbon neutrality, Hydrogen-electric systems, RLHF, Risk-aware framework, Resilience improvement

Risk-Aware RLHF with Prompt-Guided Coordination for Robust Energy Scheduling across Multi-Site Systems

Number of pages: 19 Posted: 18 Mar 2026
Ge Song, Haoran Zhang, Hongbin Xie, Panxi Chen, Mingkun Jiang, Defan Feng, Liyu Zhang, Weiyao Yang and Xuan Song
Southern University of Science and Technology, Peking University, Southern University of Science and Technology, Tsinghua University - Tsinghua Shenzhen International Graduate School, affiliation not provided to SSRN, Southern University of Science and Technology, Peking University, Peking University and Southern University of Science and Technology
Downloads 23 (1,559,710)

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Carbon neutrality, Hydrogen-electric systems, RLHF, Risk-aware framework, Resilience improvement

4.

RISF-LLM-H2: Reinforced Iterative Scheduling Framework with Large Language Models for Hydrogen-Integrated Multi-Energy Charging Optimization

Number of pages: 20 Posted: 10 Dec 2025
Jingyuan Zhang, Haoran Zhang, Hongbin Xie, Ge Song, Defan Feng, Weiyao Yang, Xuan Song and Yu Zhang
Southern University of Science and Technology, Peking University, Southern University of Science and Technology, Southern University of Science and Technology, Southern University of Science and Technology, Peking University, Southern University of Science and Technology and Southern University of Science and Technology
Downloads 59 (1,000,027)

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Hydrogen multi-energy, Charging optimization, Large language models, Reinforcement learning

5.

Collaborative Optimization of Electric Vehicle Charging in Hydrogen-Integrated Multi-Energy System: A Temporal-Aware Multi-Agent Reinforcement Learning Approach

Number of pages: 20 Posted: 22 Aug 2025
Ge Song, Hongbin Xie, Haoran Zhang, Jingyuan Zhang, Hongdi Fu, Mingkun Jiang, Liyu Zhang, Zhuoran Shi, Defan Feng and Xuan Song
Southern University of Science and Technology, Southern University of Science and Technology, Peking University, Southern University of Science and Technology, Peking University, affiliation not provided to SSRN, Peking University, Southern University of Science and Technology, Southern University of Science and Technology and Southern University of Science and Technology
Downloads 53 (1,086,013)

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Energy management, Electric vehicle charging, Hydrogen integration, Temporal-aware, Multi-agent reinforcement learning

6.

Collaborative Optimization of Multi-Energy Distributed Energy Management with Hydrogen Integration: A Temporal Multi-Agent Reinforcement Learning Approach

Number of pages: 18 Posted: 01 May 2025
Ge Song, Hongbin Xie, Haoran Zhang, Jingyuan Zhang, Hongdi Fu, Mingkun Jiang, Liyu Zhang, Zhuoran Shi, Defan Feng and Xuan Song
Southern University of Science and Technology, Southern University of Science and Technology, Peking University, Southern University of Science and Technology, Peking University, affiliation not provided to SSRN, Peking University, Southern University of Science and Technology, Southern University of Science and Technology and Southern University of Science and Technology
Downloads 53 (1,063,489)

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Energy management, Electric Vehicle Charging, Hydrogen integration, Temporal Model, Multi-agent reinforcement learning

7.

Safe Reinforcement Learning-Based Robust Scheduling for Energy Systems: Field Experiments and Energy Management Insights

Downloads 22 (1,236,159)

Safe Reinforcement Learning-Based Robust Scheduling for Energy Systems: Field Experiments and Energy Management Insights

Number of pages: 11 Posted: 17 Feb 2026
Ge Song, Haoran Zhang, Hongbin Xie, XU Hengyi, Defan Feng, Liyu Zhang, Weiyao Yang, Shuangxue Liu and Xuan Song
Southern University of Science and Technology, Peking University, Southern University of Science and Technology, The Chinese University of Hong Kong, Southern University of Science and Technology, Peking University, Peking University, affiliation not provided to SSRN and Southern University of Science and Technology
Downloads 22 (1,486,852)

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Safe Reinforcement Learning, Decision Transformer, Energy System, Energy Management, Out-of-Distribution Detection

8.

Safety-Aware Meta-Reinforcement Learning for Large-Scale Hydrogen Injection Control in Hydrogen-Blended Natural Gas Pipeline Networks

Number of pages: 21 Posted: 02 Jun 2026
Panxi Chen, Ge Song, Nianru Chen, XU Hengyi, Hongbin Xie, Defan Feng, Liyu Zhang and Haoran Zhang
Tsinghua University - Tsinghua Shenzhen International Graduate School, Southern University of Science and Technology, South China University of Technology, The Chinese University of Hong Kong, affiliation not provided to SSRN, Southern University of Science and Technology, Peking University and Peking University
Downloads 17 (1,590,289)

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Meta-reinforcement learning, Intelligent Control, Energy System Integration, Energy Management, Natural gas pipeline, Hydrogen blending

9.

Constraint-first energy-efficient indoor environmental control with multi-agent device coordination and knowledge-graph memory

Number of pages: 22 Posted: 24 Jun 2026
Defan Feng, Hongbin Xie, Ge Song, Liyu Zhang, Yu Zhang, Xuan Song and Haoran Zhang
Southern University of Science and Technology, Southern University of Science and Technology, Southern University of Science and Technology, affiliation not provided to SSRN, Southern University of Science and Technology, Southern University of Science and Technology and Peking University
Downloads 8

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Building energy management, Indoor environmental quality, Multi-agent coordination, Knowledge-graph memory, Energy efficiency, Smart buildings

10.

A Dual-Stage LLM–KG Framework for Question Answering on Oil and Gas Pipeline Topologies

Number of pages: 26 Posted: 09 Apr 2026
Defan Feng, Xuan Song, Hongbin Xie, Ge Song, Liyu Zhang, Weiyao Yang, Yu Zhang and Haoran Zhang
Southern University of Science and Technology, Southern University of Science and Technology, Southern University of Science and Technology, Southern University of Science and Technology, Peking University, Peking University, Southern University of Science and Technology and Peking University
Downloads 7 (1,566,597)

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Large Language Models, Knowledge Graph Question Answering, Oil and Gas Pipeline Networks, Hybrid Reasoning Framework