MD Boyer, S Kaye, K Erickson - Nuclear Fusion, 2019 - iopscience.iop.org
A new model of heating, current drive, torque and other effects of neutral beam injection on NSTX-U that uses neural networks has been developed. The model has been trained and …
E Maljaars, F Felici, MR De Baar, J Van Dongen… - Nuclear …, 2015 - iopscience.iop.org
A controller is designed for the tokamak safety factor profile that takes real-time-varying operational and physics limits into account. This so-called model predictive controller (MPC) …
MD Boyer, J Barton, E Schuster, TC Luce… - Plasma Physics and …, 2013 - iopscience.iop.org
In tokamak fusion plasmas, control of the spatial distribution profile of the toroidal plasma current plays an important role in realizing certain advanced operating scenarios. These …
S Li, H Jiang, Z Ren, C Xu - Abstract and Applied Analysis, 2014 - Wiley Online Library
We consider the optimal tracking problem for a divergent‐type parabolic PDE system, which can be used to model the spatial‐temporal evolution of the magnetic diffusion process in a …
JE Barton, MD Boyer, W Shi, E Schuster… - Nuclear …, 2012 - iopscience.iop.org
In order for ITER to be capable of operating in advanced tokamak operating regimes, characterized by a high fusion gain, good plasma confinement, magnetohydrodynamic …
Stable, high-performance operation of a tokamak requires several plasma control problems to be handled simultaneously. Moreover, the complex physics which governs the tokamak …
MD Boyer, J Barton, E Schuster… - … on Control Systems …, 2014 - ieeexplore.ieee.org
One of the most promising devices for realizing power production through nuclear fusion is the tokamak. To maximize performance, it is preferable that tokamak reactors achieve …
Y Ou, C Xu, E Schuster, TC Luce… - … on Control Systems …, 2010 - ieeexplore.ieee.org
Setting up a suitable current spatial profile in tokamak plasmas has been demonstrated to be a key condition for one possible advanced scenario with improved confinement and …
JE Barton, MD Boyer, W Shi, WP Wehner… - Nuclear …, 2015 - iopscience.iop.org
DIII-D experimental results are reported to demonstrate the potential of physics-model- based safety factor profile control for robust and reproducible sustainment of advanced …