Biography

Christian A. Hans holds a professorship (W1 with tenure track) for Automation and Sensorics in Networked Systems at Faculty 16 Electrical Engineering and Computer Science at the University of Kassel. Prior to that, he was a researcher with the Control Systems Group ("Fachgebiet Regelungssysteme") at Technische Universität (TU) Berlin from 2015 to 2023. He received a PhD degree (Dr.-Ing., with distinction) from TU Berlin in 2021 and a Diploma from RWTH Aachen University in 2011. Before joining TU Berlin, he worked from 2011 to 2015 as a control engineer at Younicos AG (now Aggreko plc), Berlin, developing control algorithms for power grids with a high share of renewable energy sources.

Since 2023 Professor (W1 with tenure-track), University of Kassel.
Head of the Automation and Sensorics in Networked Systems (ASN) Group.
2015 - 2023 Researcher at the Control Systems Group, Technische Universität Berlin.
Supervisor: Prof. J. Raisch.
2011 - 2015 Control engineer at Younicos AG, Berlin.
Supervisor: Dr. C. Reincke-Collon.
2021 Doctorate (Dr.-Ing.) in Electrical Engineering at Technical University Berlin.
Topic: Operation control of islanded microgrids.
Doctoral committee: Prof. J. Raisch, Dr. A. Parisio, Dr. P. Sopasakis.
2015 Visiting scholar at IMT School for Advanced Studies Lucca, Italy.
Topic: Stochastic optimization for operation control of microgrids.
Advisor: Prof. A. Bemporad
2011 Diploma (Dipl.-Ing.) in Electrical Engineering at RWTH Aachen University.
Topic of final thesis: Development of a real-time photovoltaic power plant model.
Examiner: Prof. A. Moser
2008 - 2009 Study abroad at Universidad Politécnica de Madrid, Spain.
2022 Tiburtius Recognition Award for doctoral thesis.
2021 Open-Access Publication Fund of TU Berlin for publication of doctoral thesis.
2012 Reiner-Lemoine Foundation Scholarship for first three years as doctoral candidate.
2009 Erasmus-Stipendium for stay at Universidad Politécnica de Madrid.
2003 1st place in regional contest of “Jugend Forscht” (Youth Researches).
Topic: Chaos - Nonlinear dynamical systems.
  • IEEE Control System Society
  • IEEE Power & Energy Society
  • EnergieSystemWende Network

Publications

2024

M. Braun, C. Gruhl, C. A. Hans, P. Härtel, C. Scholz, B. Sick, M. Siefert, F. Steinke, O. Stursberg, and S. Wende-von Berg, “Predictions and Decision Making for Resilient Intelligent Sustainable Energy Systems,” in ISGT Europe, IEEE, Ed. Dubrovnik, Croatia, 2024, p. TBD.
http://dx.doi.org/10.48550/arXiv.2407.03021
A. Grapentin, C. A. Hans, and J. Raisch, “Robust LQ Optimal Control for Wind Turbine Power Tracking Operation,” in 63rd IEEE Conference on Decision and Control, IEEE, Ed. Milan, Italy, 2024, p. TBD.
http://dx.doi.org/ 10.48550/arXiv.2407.20922
J. B. Lipka and C. A. Hans, “Data-driven model predictive control of battery storage units,” in American Control Conference, IEEE, Ed. Toronto, Canada, 2024, p. TBD.
http://dx.doi.org/10.48550/arXiv.2407.05157
A. Sterle, C. A. Hans, and J. Raisch, “Model predictive control of wakes for wind farm power tracking,” Journal of Physics: Conference Series, vol. 2767, no. 3, p. 032005, 2024.
http://dx.doi.org/10.1088/1742-6596/2767/3/032005
http://dx.doi.org/10.48550/arXiv.2411.08678
C. A. Hans and T. A. Schenck, “Hierarchical distributed scenario-based model predictive control of interconnected microgrids,” in European Control Conference, European Control Association, Ed. Stockholm, Sweden, 2024, pp. 2836–2843.
http://dx.doi.org/10.48550/arXiv.2304.10901

2023

A. Sterle, A. Grapentin, C. A. Hans, and J. Raisch, “Model Predictive Control of Wind Turbines with Piecewise-Affine Power Coefficient Approximation,” in 62nd IEEE Conference on Decision and Control, IEEE, Ed. Singapore, 2023, pp. 3586–3591.
http://dx.doi.org/10.1109/CDC49753.2023.10383567
A. Grapentin, A. Sterle, J. Raisch, and C. A. Hans, “LQ Optimal Control for Power Tracking Operation of Wind Turbines,” in 22nd IFAC World Congress, IFAC, Ed. Yokohama, Japan, 2023, pp. 2759–2766.
http://dx.doi.org/10.1016/j.ifacol.2023.10.1374
A. K. Sampathirao, S. Hofmann, J. Raisch, and C. A. Hans, “Distributed Conditional Cooperation Model Predictive Control of Interconnected Microgrids,” Automatica, vol. 157, p. 111258, 2023.
http://dx.doi.org/10.1016/j.automatica.2023.111258
M. Rose, C. A. Hans, and J. Schiffer, “A Predictive Operation Controller for an Electro-Thermal Microgrid Utilizing Variable Flow Temperatures,” in 22nd IFAC World Congress, IFAC, Ed. Yokohama, Japan, 2023, pp. 5444–5450.
http://dx.doi.org/10.1016/j.ifacol.2023.10.195

2021

C. A. Hans, “Operation control of islanded microgrids,” Shaker Verlag, Düren, 2021.
http://dx.doi.org/10.2370/9783844083002​​​​​​​​​​​​​​
J. Lei, C. A. Hans, and P. Sopasakis, “Optimal operation of microgrids with risk-constrained state of charge,” in European Control Conference, European Control Association, Ed. Rotterdam, Netherlands, 2021, pp. 2116–2122.
http://dx.doi.org/10.23919/ECC54610.2021.9655020

2020

C. A. Hans, P. Sopasakis, J. Raisch, C. Reincke-Collon, and P. Patrinos, “Risk-Averse Model Predictive Operation Control of Islanded Microgrids,” IEEE Transactions on Control Systems Technology, vol. 28, no. 6, pp. 2136–2151, 2020.
http://dx.doi.org/10.1109/TCST.2019.2929492
T. Kral, C. A. Hans, and P. Merk, System for handling short circuits on an electrical network (Patent No.: US10756536B2). 2020, p. TBD.

2019

C. A. Hans, P. Braun, J. Raisch, L. Grüne, and C. Reincke-Collon, “Hierarchical Distributed Model Predictive Control of Interconnected Microgrids,” IEEE Transactions on Sustainable Energy, vol. 10, no. 1, pp. 407–416, 2019.
http://dx.doi.org/10.1109/TSTE.2018.2802922

2018

C. A. Hans and E. Klages, “Very Short Term Time-Series Forecasting of Solar Irradiance Without Exogenous Inputs,” in 6th International Conference on Time Series and Forecasting, ITISE Chair, Ed. Granada, Spain, 2018, pp. 1–13.
http://dx.doi.org/10.48550/arXiv.1810.07066

2017

A. Krishna, C. A. Hans, J. Schiffer, J. Raisch, and 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, IEEE, Ed. Valetta, Malta, 2017, pp. 508–515.
http://dx.doi.org/10.1109/MED.2017.7984168
J. Schiffer, C. A. Hans, T. Kral, R. Ortega, and J. Raisch, “Modeling, Analysis, and Experimental Validation of Clock Drift Effects in Low-Inertia Power Systems,” IEEE Transactions on Industrial Electronics, vol. 64, no. 7, pp. 5942–5951, 2017.
http://dx.doi.org/10.1109/TIE.2016.2638805

2016

H. Zhou, C. A. Hans, and W. Zhang, “Minimax model predictive operation control of grid-connected microgrids,” in IEEE Conference on Control Applications, IEEE, Ed. Buenos Aires, Argentina, 2016, pp. 58–63.
http://dx.doi.org/10.1109/CCA.2016.7587822

2015

J. Schiffer, R. Ortega, C. A. Hans, and J. Raisch, “Droop-controlled inverter-based microgrids are robust to clock drifts,” in American Control Conference, American Automatic Control Council, Ed. Chicago, USA, 2015, pp. 2341–2346.
http://dx.doi.org/10.1109/ACC.2015.7171082
C. A. Hans, P. Sopasakis, A. Bemporad, J. Raisch, and C. Reincke-Collon, “Scenario-based model predictive operation control of islanded microgrids,” in 54th IEEE Conference on Decision and Control, IEEE, Ed. Osaka, Japan, 2015, pp. 3272–3277.
http://dx.doi.org/10.1109/CDC.2015.7402711
V. Nenchev and C. A. Hans, “Optimal adaptive predictive control of a combustion engine,” in European Control Conference, European Control Association, Ed. Linz, Austria, 2015, pp. 1409–1413.
http://dx.doi.org/10.1109/ECC.2015.7330736
C. A. Hans, V. Nenchev, J. Raisch, and C. Reincke-Collon, “Approximate closed-loop minimax model predictive operation control of microgrids,” in European Control Conference, European Control Association, Ed. Linz, Austria, 2015, pp. 241–246.
http://dx.doi.org/10.1109/ECC.2015.7330551

2014

C. A. Hans, V. Nenchev, J. Raisch, and C. Reincke-Collon, “Minimax Model Predictive Operation Control of Microgrids,” in IFAC World Congress, vol. 47, no. 3, IFAC, Ed. Cape Town, South Africa, 2014, pp. 10287–10292.
http://dx.doi.org/10.3182/20140824-6-ZA-1003.00683
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