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Steffen Hofmann

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Address

Dipl.-Ing Steffen Hofmann

Technische Universität Berlin
Fachgebiet Regelungssysteme
Sekretariat EN11
Einsteinufer 17
D-10587 Berlin
Germany

Office: EN 204 (Elektrotechnik Neubau)
Phone: +49 (0)30 314-79281
Fax: +49 (0)30 314-21137
Email: Hofmann@control.TU-berlin.de


Brief Biography

I studied Electrical Engineering and Information Technology (etit) (Diploma) at the Technische Universität Darmstadt, Germany, from 2001 to 2008. During my studies, I completed an internship at the University of Ottawa, Canada. Since 2008 I am working as a research assistant / PhD candidate in the Control Systems Group headed by Prof. Dr.-Ing. Jörg Raisch at the Technische Universität Berlin.


Research

My research focuses on Trajectory Planning and Control of Preferential Crystallization Processes.
I have also worked on Model Reduction and Control of 2D Crystallization Processes.


Publications

Journal Articles

Hofmann, Steffen, Bajcinca, Naim, Raisch, Jörg, Sundmacher, Kai. Optimal control of univariate and multivariate population balance systems involving external fines removal. Chemical Engineering Science, 2017.
Bajcinca, Naim, Hofmann, Steffen, Bielievtsov, Dmytro, Sundmacher, Kai. Approximate ODE models for population balance systems. Computers & Chemical Engineering, 74 pages 158–168, 2015.
Bajcinca, Naim, Hofmann, Steffen, Sundmacher, Kai. Method of moments over orthogonal polynomial bases. Chemical Engineering Science, 119 pages 295–309, 2014.
Hofmann, Steffen, Raisch, Jörg. Inversionsbasierte optimale Steuerung von Batch-Kristallisationsprozessen zur Enantiomertrennung. at – Automatisierungstechnik, 62 (2):78–91, 2014.
Hofmann, Steffen, Raisch, Jörg. Solutions to inversion problems in preferential crystallization of enantiomers–Part II: Batch crystallization in two coupled vessels. Chemical Engineering Science, 88 pages 48–68, 2013.
Hofmann, Steffen, Raisch, Jörg. Solutions to inversion problems in preferential crystallization of enantiomers–part I: Batch crystallization in a single vessel. Chemical Engineering Science, 80 pages 253–269, 2012.

Conference Articles

Bajcinca, Naim, Hofmann, Steffen, Eisenschmidt, Holger, Sundmacher, Kai. Generalizing ODE modeling structure for multivariate systems with distributed parameters. IFAC-PapersOnLine, 48 (8):240–247, 2015. 9th IFAC Symposium on Advanced Control of Chemical Processes ADCHEM 2015, Whistler, Canada, June 7–10, 2015.
Bajcinca, Naim, Hofmann, Steffen. Optimal control of multivariate crystallization processes with size-dependent growth kinetics. In 2012 IEEE Conference on Control Applications (CCA), pages 476–481, 2012. IEEE Control Systems Society (CSS), Part of 2012 IEEE Multi-Conference on Systems and Control (MSC).
Bajcinca, Naim, Menarin, Henrique A., Hofmann, Steffen. Optimal control of multidimensional population balance systems for crystal shape manipulation. In Proc. 18th IFAC World Congress, pages 9842–9849, 2011.
Bajcinca, Naim, Hofmann, Steffen. Optimal control for batch crystallization with size-dependent growth kinetics. In Proceedings of the 2011 American Control Conference (ACC 2011), pages 2558–2565, 2011.
Hofmann, Steffen, Eicke, Matthias J., Elsner, Martin Peter, Seidel-Morgenstern, Andreas, Raisch, Jörg. A Worst-Case Observer for Impurities in Enantioseparation by Preferential Crystallization. In 21st European Symposium on Computer Aided Process Engineering (ESCAPE-21), pages 860–864, 2011.
Hofmann, Steffen, Raisch, Jörg. Application of Optimal Control Theory to a Batch Crystallizer using Orbital Flatness. In 16th Nordic Process Control Workshop, pages 61–67, 2010. Nordic Working Group on Process Control,
Bajcinca, Naim, Hofmann, Steffen, Raisch, Jörg, Sundmacher, Kai. Robust and optimal control scenarios for batch crystallization processes. In 20th European Symposium on Computer Aided Process Engineering (ESCAPE-20), pages 1605–1610, 2010.
Hofmann, Steffen, Eicke, Matthias J., Elsner, Martin Peter, Raisch, Jörg. Innovative Control Strategies for Coupled Preferential Crystallization. In Proceedings of WCPT6 2010 - World Congress on Particle Technology, 2010.

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