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Real-time capable modeling of neutral beam injection on NSTX-U using neural networks
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 …
NSTX-U that uses neural networks has been developed. The model has been trained and …
Simultaneous control of safety factor profile and normalized beta for JT-60SA using reinforcement learning
T Wakatsuki, M Yoshida, E Narita, T Suzuki… - Nuclear …, 2023 - iopscience.iop.org
Plasma with an internal transport barrier (ITB) will be developed in JT-60SA as an attractive
operation appropriate for a steady-state fusion reactor. To achieve the ITB plasma while …
operation appropriate for a steady-state fusion reactor. To achieve the ITB plasma while …
A robust LQR-FOPIλDµ controller design for output voltage regulation of stand-alone self-excited induction generator
This paper presents several optimal controllers compared with a robust control method for
the terminal voltage regulation of a stand-alone self-excited induction generator (SEIG) with …
the terminal voltage regulation of a stand-alone self-excited induction generator (SEIG) with …
A comprehensive evaluation of the vibration control approach of the multi-layer sandwich composite piezoelectric micro-beam using higher-order elasticity theory and …
The present study is devoted to investigate the comprehensive study of vibration control of
multi-layer sandwich micro beam made of piezoelectric materials. The analysis considers …
multi-layer sandwich micro beam made of piezoelectric materials. The analysis considers …
Control of the tokamak safety factor profile with time-varying constraints using MPC
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) …
operational and physics limits into account. This so-called model predictive controller (MPC) …
A general infrastructure for data-driven control design and implementation in tokamaks
A general infrastructure for tokamak controllers based on data-driven neural net models is
presented. The paradigm allows for more flexible choices of both the underlying model and …
presented. The paradigm allows for more flexible choices of both the underlying model and …
Profile control simulations and experiments on TCV: a controller test environment and results using a model-based predictive controller
E Maljaars, F Felici, TC Blanken, C Galperti… - Nuclear …, 2017 - iopscience.iop.org
The successful performance of a model predictive profile controller is demonstrated in
simulations and experiments on the TCV tokamak, employing a profile controller test …
simulations and experiments on the TCV tokamak, employing a profile controller test …
Current profile and normalized beta control via feedback linearization and Lyapunov techniques
Simultaneous control of the current profile and normalized plasma beta is an essential
control problem in the development of advanced tokamak scenarios. However, this control …
control problem in the development of advanced tokamak scenarios. However, this control …
Enhancing deep reinforcement learning with integral action to control tokamak safety factor
Recent advances in the use of Artificial Intelligence to control complex systems make it
suitable for profile plasma control. In this work, we propose an algorithm based on Deep …
suitable for profile plasma control. In this work, we propose an algorithm based on Deep …
Physics-based control-oriented modeling of the safety factor profile dynamics in high performance tokamak plasmas
JE Barton, W Shi, K Besseghir, J Lister… - … IEEE Conference on …, 2013 - ieeexplore.ieee.org
The tokamak is a device that utilizes magnetic fields to confine a reactant gas to generate
energy from nuclear fusion reactions. The next step towards the realization of a tokamak …
energy from nuclear fusion reactions. The next step towards the realization of a tokamak …