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Experimental Investigation Of Active Feedback Control Of Turbulent Transport In A Magnetized Laboratory Plasma, Chaouki T. Abdallah, M. Gilmore, S. Xie, S. Will, P. Ram, A.G. Lynn, C. Watts, A.S. Ware, L. Pangioni

Electrical & Computer Engineering Faculty Publications

Summary form only given. Many toroidal fusion devices now routinely generate edge and/or core transport barriers, where heat and particle transport are reduced far below Bohm diffusion levels. However, minimal particle transport is not necessarily desirable, since it can lead to core impurity accumulation, or alpha particle buildup. Ideally, active, stable control over the transport, rather than simple minimization, could be obtained. To this effect, research is now underway to investigate active control of particle transport. Turbulence and transport dynamics are, of course, strongly nonlinear, and apparently not deterministic. However, modern nonlinear control methods now exist, such as chaotic control …