15 citations · 24 across the 4 of their papers we have counts for
4 papers
Inverse response behaviour in the bright ring radius measurement of the Czochralski process II: Mitigation by control
Halima Zahra Bukhari, Morten Hovd, Jan Winkler
This is the second part of a two-article series investigating the presence of an inverse response in the measurement of the ingot radius in the Czochralski process for monocrystall…
Inverse response behaviour in the bright ring radius measurement of the Czochralski process I: Investigation
Halima Zahra Bukhari, Morten Hovd, Jan Winkler
This is the first part of a two-article series that deals with the investigation of the anomalous behaviour in the radius measurement signal of the Czochralski (Cz) process and its…
Control of the Vertical Gradient Freeze crystal growth process via backstepping
Stefan Ecklebe, Frank Woittennek, Jan Winkler
This contribution presents a backstepping-based state feedback design for the tracking control of a two-phase Stefan problem which is encountered in the Vertical Gradient Freeze cr…
Towards model based control of the Vertical Gradient Freeze crystal growth process
Stefan Ecklebe, Frank Woittennek, Jan Winkler +2
In this contribution tracking control designs using output feedback are presented for a two-phase Stefan problem arising in the modeling of the Vertical Gradient Freeze process. Th…