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AI-Based Prediction and Control of T...

Abbate, Joseph Albert.

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AI-Based Prediction and Control of Tokamaks: Combining Simulations and Experimental Data.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	AI-Based Prediction and Control of Tokamaks: Combining Simulations and Experimental Data./
作者:	Abbate, Joseph Albert.
出版者:	Ann Arbor : ProQuest Dissertations & Theses, : 2024,
面頁冊數:	138 p.
附註:	Source: Dissertations Abstracts International, Volume: 85-12, Section: B.
Contained By:	Dissertations Abstracts International85-12B.
標題:	Plasma physics. -
電子資源:	https://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=30997202
ISBN:	9798382806853

AI-Based Prediction and Control of Tokamaks: Combining Simulations and Experimental Data.
Abbate, Joseph Albert.

AI-Based Prediction and Control of Tokamaks: Combining Simulations and Experimental Data. - Ann Arbor : ProQuest Dissertations & Theses, 2024 - 138 p.

Source: Dissertations Abstracts International, Volume: 85-12, Section: B.

Thesis (Ph.D.)--Princeton University, 2024.

A unified AI (artificial intelligence) approach to predict and control the dynamics of kinetic plasma profiles in fusion reactors is presented. On one hand, it is demonstrated that empirical models trained on experimental data ("data-driven models") significantly outperform the state-of-the-art ASTRA and TRANSP codes ("simulations") when predicting within the distribution of the training set. On the other hand, it is demonstrated that simulations can perform as well or better than data-driven models when extrapolating outside of the training distribution. Multiple AI-based methodologies for combining the data-driven models and simulations, leveraging data from multiple machines (DIII-D and AUG), are presented. One of the methodologies better extrapolates to new regimes than either data-driven models or simulations alone. Applications of the holistic approach to the task of commissioning a new reactor such as ITER are discussed. A successful model-predictive control test at DIII-D based on the methodology is described.

ISBN: 9798382806853Subjects--Topical Terms:

3175417
Plasma physics.
Subjects--Index Terms:

Data-driven models

AI-Based Prediction and Control of Tokamaks: Combining Simulations and Experimental Data.
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500 $a Source: Dissertations Abstracts International, Volume: 85-12, Section: B.
500 $a Advisor: Kolemen, Egemen.
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520 $a A unified AI (artificial intelligence) approach to predict and control the dynamics of kinetic plasma profiles in fusion reactors is presented. On one hand, it is demonstrated that empirical models trained on experimental data ("data-driven models") significantly outperform the state-of-the-art ASTRA and TRANSP codes ("simulations") when predicting within the distribution of the training set. On the other hand, it is demonstrated that simulations can perform as well or better than data-driven models when extrapolating outside of the training distribution. Multiple AI-based methodologies for combining the data-driven models and simulations, leveraging data from multiple machines (DIII-D and AUG), are presented. One of the methodologies better extrapolates to new regimes than either data-driven models or simulations alone. Applications of the holistic approach to the task of commissioning a new reactor such as ITER are discussed. A successful model-predictive control test at DIII-D based on the methodology is described.
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653 $a AI-based methodologies
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