Author

Hanpei Yang

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Open access Jul 2026

Low-Carbon Urban Freight Optimization: Per-Order Adaptive Mode Mixing with Demonstration-Regularized Constrained Reinforcement Learning

The findings suggest that hard carbon budgets can be controlled in expectation online at modest cost—a step toward operator-facing low-carbon logistics whose average emissions honour a binding carbon budget, though external validation on operational data and a risk-sensitive formulation that upgrades this average contr...

Shu-Kang Zheng, Genhua Ma, Hanpei Yang et al. · Applied Sciences · 0 citations

Open access Aug 2026

Research on Route Optimization for Truck–Drone Delivery Considering En Route Synchronization

Truck–UAV collaborative delivery can improve last-mile logistics efficiency, but fixed-node rendezvous often causes waiting loss and service delay. To address this problem, this paper proposes a route optimization method integrating en route synchronization, pseudo-node insertion, and GAT-PPO. Pseudo-nodes are generate...

Shu-Kang Zheng, Gen-Hua Ma, Hanpei Yang et al. · Applied Sciences · 0 citations