Toward Model-Based Control of the Vertical Gradient Freeze Crystal Growth Process

In this contribution, tracking control designs using output feedback are presented for a two-phase Stefan problem (SP) arising in the modeling of the vertical gradient freeze process. The two-phase SP, consisting of two coupled free boundary problems, is a vital part of many crystal growth processes...

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Veröffentlicht in:	IEEE transactions on control systems technology 2022-01, Vol.30 (1), p.384-391
Hauptverfasser:	Ecklebe, Stefan, Woittennek, Frank, Frank-Rotsch, Christiane, Dropka, Natasha, Winkler, Jan
Format:	Artikel
Sprache:	eng
Schlagworte:	Crystal growth Crystals distributed parameter systems (DPSs) Feedback control Free boundaries Heating systems Mathematical model nonlinear dynamical systems Output feedback Parameter robustness Parameter uncertainty Process control State feedback Tracking control
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