Author

Ze-Zhong Zhang

2 papers indexed here

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Preprint Sep 2026

Data-Assimilation-Assisted Reinforcement Learning for Power Grid Control under Load Uncertainty

Reliable power grid control requires sequential decisions under transmission constraints, time-varying demand, renewable variability, and imperfect load information. We investigate how load information quality affects control in a customized transmission network simulator inspired by Grid2Op and based on a DC power flo...

Ruo-Yu Hu, Feng Bao, Ze-Zhong Zhang et al. · 0 citations

#artificial intelligence Apr 2026

Global Attention with Linear Complexity for Exascale Generative Data Assimilation in Earth System Prediction

STORM is introduced, a one-stage generative AI framework that reformulates DA as diffusion-based Bayesian posterior sampling, replacing online PDE ensemble forecasts with scalable AI inference, enabling high-resolution, long-context Earth modeling and demonstrating improved accuracy.

Xiao Wang, Ze-Zhong Zhang, Isaac Lyngaas et al. · arXiv.org · 1 citation