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Christian A. Hans

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Address

Dipl.-Ing. Christian A. Hans

Technische Universität Berlin
Fachgebiet Regelungssysteme
Sekretariat EN11
Einsteinufer 17
D-10587 Berlin
Germany
Office: EN 240 (Elektrotechnik Neubau)
Phone: +49 30 314-23573
Fax: +49 30 314-21137
Email: hans@control.tu-berlin.de

       

Teaching

Consulting Times

By appointment via email.

Brief Biography

I studied electrical engineering at RWTH Aachen University and at the UPM in Madrid. There I mainly dealt with generation, transport and storage of electrical energy from renewable sources. Working as a student research assistant at Prof. De Doncker's and Prof. Sauer's institute I got familiar with power electronics, applied control engineering and electrochemical storage systems. Supervised by Prof. Moser I turned my attention to the destabilising effect of photovoltaic generators in weak electrical grids in my final thesis. From 2010 to 2015 I engaged in control issues in low inertia microgrids as development engineer at Younicos AG, Berlin. Since 2013 I am a researcher at the Control Systems Group at TU Berlin, partly supported by the Reiner Lemoine Foundation. In 2014 I have been a visiting student at Prof. Bemporad's DYSCO research unit at IMT Lucca.

Research

My research focuses on control concepts for microgrids. Here I am especially interested in

  • control schemes for electric grids with high renewable share,
  • model predictive control and time-series based forecasting and
  • energy management of microgrids.

Publications

Journal Articles

C. A. Hans, P. Sopasakis, J. Raisch, C. Reincke-Collon, P. Patrinos. Risk-Averse Model Predictive Operation Control of Islanded Microgrids. IEEE Transactions on Control Systems Technology, 28 (6):2136–2151, 2020.
Bibtex
Author : C. A. Hans, P. Sopasakis, J. Raisch, C. Reincke-Collon, P. Patrinos
Title : Risk-Averse Model Predictive Operation Control of Islanded Microgrids
In : IEEE Transactions on Control Systems Technology,
      28 (6):2136–2151, 2020.
Date : 2020
 | PDF | DOI | Link 
C. A. Hans, P. Braun, J. Raisch, L. Grüne, C. Reincke-Collon. Hierarchical Distributed Model Predictive Control of Interconnected Microgrids. IEEE Transactions on Sustainable Energy, 10 (1):407–416, 2019.
Bibtex
Author : C. A. Hans, P. Braun, J. Raisch, L. Grüne, C. Reincke-Collon
Title : Hierarchical Distributed Model Predictive Control of Interconnected Microgrids
In : IEEE Transactions on Sustainable Energy,
      10 (1):407–416, 2019.
Date : 2019
 | PDF | DOI 
J. Schiffer, C. A. Hans, T. Kral, J. Raisch, R. Ortega. Modelling, Analysis and Experimental Validation of Clock Drift Effects in Low-Inertia Power Systems. IEEE Transactions on Industrial Electronics, 64 (7):5942–5951, 2017.
Bibtex
Author : J. Schiffer, C. A. Hans, T. Kral, J. Raisch, R. Ortega
Title : Modelling, Analysis and Experimental Validation of Clock Drift Effects in Low-Inertia Power Systems
In : IEEE Transactions on Industrial Electronics,
      64 (7):5942–5951, 2017.
Date : 2017
 | PDF | DOI 

Patents

T. Kral, C. A. Hans, P. Merk. System for handling short circuits on an electrical network. 2017. US Patent App. 15/496,251.
Bibtex
Author : T. Kral, C. A. Hans, P. Merk
Title : System for handling short circuits on an electrical network
In :
      2017. US Patent App. 15/496,251.
Date : 2017
 | Link 

Conference Proceedings

J. Lei, C. A. Hans, P. Sopasakis. Optimal operation of microgrids with risk-constrained state of charge. In 2021. Accepted for publication at the 2021 European Control Conference (ECC).
Bibtex
Author : J. Lei, C. A. Hans, P. Sopasakis
Title : Optimal operation of microgrids with risk-constrained state of charge
In : In
      2021. Accepted for publication at the 2021 European Control Conference (ECC).
Date : 2021
 
C. A. Hans, E. Klages. Very Short Term Time-Series Forecasting of Solar Irradiance Without Exogenous Inputs. In 6th International Conference on Time Series and Forecasting (ITISE), pages 1007–1018, Granada, Spain, 2019.
Bibtex
Author : C. A. Hans, E. Klages
Title : Very Short Term Time-Series Forecasting of Solar Irradiance Without Exogenous Inputs
In : In 6th International Conference on Time Series and Forecasting (ITISE),
      pages 1007–1018, Granada, Spain, 2019.
Date : 2019
 | PDF | Link 
A. Krishna, C. A. Hans, J. Schiffer, J. Raisch, T. Kral. Steady state evaluation of distributed secondary frequency control strategies for microgrids in the presence of clock drifts. In 25th Mediterranean Conference on Control and Automation (MED), pages 508–515, Valletta, Malta, 2017.
Bibtex
Author : A. Krishna, C. A. Hans, J. Schiffer, J. Raisch, T. Kral
Title : Steady state evaluation of distributed secondary frequency control strategies for microgrids in the presence of clock drifts
In : In 25th Mediterranean Conference on Control and Automation (MED),
      pages 508–515, Valletta, Malta, 2017.
Date : 2017
 | PDF | DOI 
H. Zhou, C. A. Hans, W. Zhang. Minimax model predictive operation control of grid-connected microgrids. In IEEE Conference on Control Applications (CAA), pages 58–63, Buenos Aires, Argentina, 2016.
Bibtex
Author : H. Zhou, C. A. Hans, W. Zhang
Title : Minimax model predictive operation control of grid-connected microgrids
In : In IEEE Conference on Control Applications (CAA),
      pages 58–63, Buenos Aires, Argentina, 2016.
Date : 2016
 | DOI 
C. A. Hans, P. Sopasakis, A. Bemporad, J. Raisch, C. Reincke-Collon. Scenario-Based Model Predictive Operation Control of Islanded Microgrids. In 54th IEEE Conference on Decision and Control (CDC), pages 3272–3277, Osaka, Japan, 2015.
Bibtex
Author : C. A. Hans, P. Sopasakis, A. Bemporad, J. Raisch, C. Reincke-Collon
Title : Scenario-Based Model Predictive Operation Control of Islanded Microgrids
In : In 54th IEEE Conference on Decision and Control (CDC),
      pages 3272–3277, Osaka, Japan, 2015.
Date : 2015
 | PDF | DOI 
C. A. Hans, V. Nenchev, J. Raisch, C. Reincke-Collon. Approximate Closed-Loop Minimax Model Predictive Operation Control of Microgrids. In European Control Conference (ECC), pages 241–246, Linz, Austria, 2015.
Bibtex
Author : C. A. Hans, V. Nenchev, J. Raisch, C. Reincke-Collon
Title : Approximate Closed-Loop Minimax Model Predictive Operation Control of Microgrids
In : In European Control Conference (ECC),
      pages 241–246, Linz, Austria, 2015.
Date : 2015
 | PDF | DOI 
V. Nenchev, C. A. Hans. Optimal Adaptive Predictive Control of a Combustion Engine. In European Control Conference (ECC), pages 1409–1413, Linz, Austria, 2015.
Bibtex
Author : V. Nenchev, C. A. Hans
Title : Optimal Adaptive Predictive Control of a Combustion Engine
In : In European Control Conference (ECC),
      pages 1409–1413, Linz, Austria, 2015.
Date : 2015
 | DOI 
J. Schiffer, R. Ortega, C. A. Hans, J. Raisch. Droop-Controlled Inverter-Based Microgrids are Robust to Clock Drifts. In American Control Conference (ACC), pages 2341–2346, Chicago, IL, USA, 2015.
Bibtex
Author : J. Schiffer, R. Ortega, C. A. Hans, J. Raisch
Title : Droop-Controlled Inverter-Based Microgrids are Robust to Clock Drifts
In : In American Control Conference (ACC),
      pages 2341–2346, Chicago, IL, USA, 2015.
Date : 2015
 | PDF | DOI 
C. A. Hans, V. Nenchev, J. Raisch, C. Reincke-Collon. Minimax Model Predictive Operation Control of Microgrids. In 19th IFAC World Congress, pages 10287–10292, Cape Town, South Africa, 2014.
Bibtex
Author : C. A. Hans, V. Nenchev, J. Raisch, C. Reincke-Collon
Title : Minimax Model Predictive Operation Control of Microgrids
In : In 19th IFAC World Congress,
      pages 10287–10292, Cape Town, South Africa, 2014.
Date : 2014
 | PDF | DOI 

Presentations

Hierarchical distributed model predictive control of interconnected microgrids. 14th Viennese Conference on Optimal Control and Dynamic Games, Special Session on Model based control: analysis and modelling, Vienna, Austria, 2018.
Slides

Supervised Theses

S. C. Petznick. Neural-network-based learning of storage dynamics for model predictive control of microgrids. Bachelor Thesis, TU Berlin, Germany, 2021.
Bibtex
Author : S. C. Petznick
Title : Neural-network-based learning of storage dynamics for model predictive control of microgrids
In : Bachelor Thesis, TU Berlin, Germany,
      2021.
Date : 2021
 
L. Möller. Entwurf und Analyse einer Regelung für eine vertikale Windturbine mit Pitchoptimierung. Bachelor Thesis, TU Berlin, Germany, 2021.
Bibtex
Author : L. Möller
Title : Entwurf und Analyse einer Regelung für eine vertikale Windturbine mit Pitchoptimierung
In : Bachelor Thesis, TU Berlin, Germany,
      2021.
Date : 2021
 
P. Zitzlaff. Distributed Secondary Voltage Control of Islanded Microgrids with Reactive Power Sharing. Master Thesis, TU Berlin, Germany, 2017.
Bibtex
Author : P. Zitzlaff
Title : Distributed Secondary Voltage Control of Islanded Microgrids with Reactive Power Sharing
In : Master Thesis, TU Berlin, Germany,
      2017.
Date : 2017
 
A. Schödl. Distributed Model Predictive Secondary Voltage Control of Islanded Microgrids. Master Thesis, TU Berlin, Germany, 2017.
Bibtex
Author : A. Schödl
Title : Distributed Model Predictive Secondary Voltage Control of Islanded Microgrids
In : Master Thesis, TU Berlin, Germany,
      2017.
Date : 2017
 
A. Forel. Distributed Model Predictive Operation Control of Interconnected Microgrids. Master Thesis, TU Berlin, Germany, KTH, Stockholm, Schweden ENSE3, Grenoble, France, 2017.
Bibtex
Author : A. Forel
Title : Distributed Model Predictive Operation Control of Interconnected Microgrids
In : Master Thesis, TU Berlin, Germany, KTH, Stockholm, Schweden ENSE3, Grenoble, France,
      2017.
Date : 2017
 | Link 
J. Theune. Distributed Model Predictive Secondary Control of Islanded Microgrids. Master Thesis, TU Berlin, Germany, 2016.
Bibtex
Author : J. Theune
Title : Distributed Model Predictive Secondary Control of Islanded Microgrids
In : Master Thesis, TU Berlin, Germany,
      2016.
Date : 2016
 
E. Klages. Time Series Based Forecasting of Renewable Power Infeed for the Operation of Microgrids. Master Thesis, TU Berlin, Germany, 2016.
Bibtex
Author : E. Klages
Title : Time Series Based Forecasting of Renewable Power Infeed for the Operation of Microgrids
In : Master Thesis, TU Berlin, Germany,
      2016.
Date : 2016
 | PDF 
H. Zhou. Grid Connected Model Predictive Operation Control of Microgrids. Bachelor Thesis, TU Berlin, Germany, 2015.
Bibtex
Author : H. Zhou
Title : Grid Connected Model Predictive Operation Control of Microgrids
In : Bachelor Thesis, TU Berlin, Germany,
      2015.
Date : 2015
 
J. Hofmeister. Evaluation von Verfahren zur Testautomatisierung in der modellbasierten Entwicklung von Regelungen für Leistungselektronik. Bachelor Thesis, HS Anhalt, Germany, 2014.
Bibtex
Author : J. Hofmeister
Title : Evaluation von Verfahren zur Testautomatisierung in der modellbasierten Entwicklung von Regelungen für Leistungselektronik
In : Bachelor Thesis, HS Anhalt, Germany,
      2014.
Date : 2014
 
R. Reibsch. Entwicklung und Untersuchung von Kurzschlussstrategien für netzbildende Wechselrichter. Diploma Thesis, TU Berlin, Germany, 2014.
Bibtex
Author : R. Reibsch
Title : Entwicklung und Untersuchung von Kurzschlussstrategien für netzbildende Wechselrichter
In : Diploma Thesis, TU Berlin, Germany,
      2014.
Date : 2014
 


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