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- H Zohm, J Adamek, C Angioni, G Antar, C V Atanasiu, M Balden +176 others
- 2006

ASDEX Upgrade was operated with fully W-covered wall in 2007 and 2008. Stationary H-modes at the ITER target values and improved H-modes with H up to 1.2 were run without any boronisation. The boundary conditions set by the full W-wall (high enough ELM frequency, high enough central heating and low enough power density arriving at the target plates) require… (More)

- R Preuss, M Maraschek, H Zohm, V Dose
- 2003

We examine a first order differential equation with respect to time used to describe magnetic islands in magnetically confined plasmas. The free parameters of this equation are obtained by employing Bayesian probability theory. Additionally, a typical Bayesian change point is solved in the process of obtaining the data.

- L Giannone, B Geiger, R Bilato, M Maraschek, T Odstrčil, R Fischer +4 others
- The Review of scientific instruments
- 2016

Real-time diamagnetic flux measurements are now available on ASDEX Upgrade. In contrast to the majority of diamagnetic flux measurements on other tokamaks, no analog summation of signals is necessary for measuring the change in toroidal flux or for removing contributions arising from unwanted coupling to the plasma and poloidal field coil currents. To… (More)

- Niek J. Doelman, Rens van den Braber, Walter Kasparek, Volker Erckmann, Waldo A. Bongers, Jorg Stober +12 others
- CDC
- 2013

— An adaptive mirror control strategy for tuning an optical resonator is described. The control approach is model-free and uses a small-amplitude perturbation signal to enable real-time estimation of the cost function gradient. The strategy has similarities with the approaches of 'stochastic approxima-tion' and 'extremum seeking control', which are… (More)

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