3 papers
physics.plasm-ph2026
Observer-Based Model Predictive Control for Isoflux Regulation in the EXL-50U Spherical Tokamak
Chang Lu, Jiayi Zhi, Xian Guo +1
Isoflux control in spherical tokamaks requires coordinated plasma-current and boundary regulation under coil-voltage and computational constraints. This study develops observer-bas…
physics.plasm-ph2026
AI Surrogate Modeling for Real-Time Tokamak Equilibrium Prediction: Benchmarking Neural Architectures and Validation on EXL-50U
Guoyang Shi, Zitong Zhang, Siqi Ding +5
Fast and reliable plasma equilibrium prediction is essential for real-time tokamak operation and control, but conventional Grad-Shafranov (GS) solvers are often too costly for real…
physics.plasm-ph2026
Reinforcement learning for vertical position control on the EXL-50U spherical tokamak
Lei Xing, Huicong Ma, Changquan Yu +14
Vertical position control is essential for sustaining high-performance operation in spherical tokamaks, where increased plasma elongation introduces stringent requirements on fast…