14.2 Artificial Intelligence and Machine Learning in Fusion Research
3 min read•july 19, 2024
is revolutionizing fusion research. From optimizing to enhancing diagnostics, are improving reactor performance and efficiency. These advancements are bringing us closer to achieving sustainable fusion energy.
are accelerating reactor design, while aid in optimization. However, the integration of AI in fusion technology raises ethical concerns. Addressing transparency, bias, and safety issues is crucial for responsible development.
Machine Learning Applications in Fusion Research
Machine learning for plasma optimization
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Frontiers | Time and Action Co-Training in Reinforcement Learning Agents View original
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Machine learning algorithms optimize plasma control in fusion devices
finds optimal control strategies through trial and error
Agents learn to maximize a reward function based on desired plasma parameters or fusion performance metrics
trains models on historical data to predict optimal control settings based on plasma state inputs
Trained models enable real-time control decisions
Optimized control strategies through machine learning improve fusion device performance
Better and confinement are achieved
Increased and efficiency (Q factor) can be attained
and detrimental events (vertical displacement events) are minimized or avoided
Deep learning in fusion diagnostics
techniques enable real-time plasma diagnostics
(CNNs) analyze plasma images and videos
CNNs extract relevant features and patterns from visual data (plasma shape, filaments)
Real-time monitoring of plasma position and instabilities is achieved
Recurrent Neural Networks () process time-series data from plasma sensors (magnetic probes, Langmuir probes)
RNNs capture temporal dependencies and dynamics in plasma behavior
Predictions of future plasma states and evolution are made
in fusion experiments is performed using deep learning
trained on normal operating data identify potential anomalies as deviations from reconstructed data
(GANs) learn to generate realistic plasma data
Discriminator network identifies anomalies as deviations from generated data
Early detection of instabilities (), disruptions, and equipment failures () is achieved