Bootstrap current optimization in Tokamaks using sum-of-squares polynomials

Bootstrap current optimization in Tokamaks using sum-of-squares polynomials
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使用平方和多项式在托卡马克中引导电流优化

DOI:
10.1109/cdc.2012.6426638
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发表时间:
2012
期刊:
2012 IEEE 51st IEEE Conference on Decision and Control (CDC)
影响因子:
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通讯作者:
M. Alamir
M. Alamir
中科院分区:
--
文献类型:
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作者:
Aditya Gahlawat;E. Witrant;M. Peet;M. Alamir

文献摘要

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在本文中,我们提出了一种基于李雅普诺夫反馈设计策略,通过采用平方和多项式的框架,最大化托卡马克中的自举电流。自举电流在降低托卡马克运行所需的外部能量输入方面可能起重要作用。平方和多项式框架允许我们在算法上构造控制器。此外,我们提供了一个启发式考虑到控制输入形状的限制,由于对执行器的限制而产生的。
In this paper we present a Lyapunov based feedback design strategy, by employing the sum-of-squares polynomials framework, to maximize the bootstrap current in tokamaks. The bootstrap current may play an important role in reducing the external energy input required for tokamak operation. The sum-of-squares polynomials framework allows us to algorithmically construct controllers. Additionally, we provide a heuristic to take into account the control input shape constraints which arise due to limitations on the actuators.