Feiye Zhang, Qingyu Yang*, Dou An. Hamlet: Hierarchical Multi-objective Reinforcement Learning Method for Charging Power Control of Electric Vehicles with Dynamic Quantity. IEEE Transactions on Smart Grid, 2023, DOI: 10.1109/TSG.2023.3288277. (SCI, 中科院1区top期刊,西安交通大学最有国际影响力的学术期刊, IF: 10.275)