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The university in winter with a view of the J building tower. Show image information

The university in winter with a view of the J building tower.

Photo: Paderborn University, Adelheid Rutenburges

Dr. Sebastian Peitz

Contact
Profile
Biography
Publications
Dr. Sebastian Peitz

Chair of Applied Mathematics

Member - Academic Councillor for a Limited Period

Institut für Industriemathematik

Manager - Academic Councillor for a Limited Period

Phone:
+49 5251 60-5021
Fax:
+49 5251 60-4216
Office:
TP21.1.25
Visitor:
Technologiepark 21
33098 Paderborn

1. Research topics
  • Multiobjective optimization and optimal control
    • Acceleration of algorithms by structure exploitation
    • Real-time applicability in combination with model predictive control
    • Solution of PDE constrained problems using model order reduction
       
  • Model reduction of complex systems, in particular PDEs, using
    • Proper Orthogonal Decomposition (POD)
    • Koopman Operator-based approaches
    • Machine Learning
       
  • Control of complex systems, in particular fluid flows
2. Research projects
  • Title: Multiobjective Optimization of Non-Smooth PDE-Constrained Problems - Switches, State Constraints and Model Order Reduction
    Description: Joint project with the University of Konstanz (Prof. Dr. Stefan Volkwein), where we address multiobjective optimization and optimal control problems with non-smooth PDE constraints. In order to increase the numerical efficiency, model order reduction techniques such as Proper Orthogonal Decomposition (POD) are used, and we develop error bounds to obtain convergent algorithms.
    Project Funding: DFG Priority Programme 1962 "Non-Smooth and Complementarity-Based Distributed Parameter Systems: Simulation and Hierarchical Optimization"
     
  • Title: Simultaneous Development and Testing of Cyber Physical Systems (CPS) using the example of autonomous electric vehicles (SET CPS)
    Description: Joint project with dSPACE and e.GO, where we join the development and testing process of autonomous electric vehicles using multiobjective optimization in order to significantly accelerate the development of new cars (Further information (in german))
    Project Funding: EFRE.NRW
01.10.2017 - today

Managing Director

Institute for Industrial Mathematics, Paderborn University (Head: Prof. Dr. Michael Dellnitz)

01.10.2013 - 30.09.2017

Scientific Employee

Chair of Applied Mathematics and Institute for Industrial Mathematics (Prof. Dr. Michael Dellnitz, Paderborn University)

08.08.2017

PhD

Title: "Exploiting Structure in Multiobjective Optimization and Optimal Control"

01.10.2007 - 18.07.2013

Studies

Mechanical Engineering (RWTH Aachen)
Graduation: 07/18/2013 (M. Sc.)

16.06.2006

Abitur

Hans-Ehrenberg-Gymnasium (Sennestadt)

1. PhD Thesis

Exploiting Structure in Multiobjective Optimization and Optimal Control
Paderborn University, 2017 (UPB, PDF)

2. Journal articles

Klus, S.; Nüske, F.; Peitz, S.; Niemann, J.-H.; Clementi, C.; Schütte, C.:
Data-driven approximation of the Koopman generator: Model reduction, system identification, and control.
Submitted to Physica D (arXiv)

Bieker, K.; Peitz, S.; Brunton, S. L.; Kutz, J. N.; Dellnitz, M.:
Deep Model Predictive Control with Online Learning for Complex Physical Systems.
Submitted to Theoretical and Computational Fluid Dynamics (arXiv)

Peitz, S.; Klus, S.:
Koopman operator-based model reduction for switched-system control of PDEs.
Automatica 106, 184-191, 2019. (arXiv)

Gebken, B.; Peitz, S.; Dellnitz, M.:
On the hierarchical structure of Pareto critical sets.
Journal of Global Optimization 73(4), 891-913, 2019. (arXiv)

Schütze, O.; Cuate, O.; Martín, A.; Peitz, S.; Dellnitz, M.:
Pareto Explorer: a global/local exploration tool for many-objective optimization problems.
Engineering Optimization, 2019.

Gebken, B.; Peitz, S.:
Inverse multiobjective optimization: Inferring decision criteria from data.
Submitted to SIAM Journal on Optimization, 2019. (arXiv)

Peitz, S.; Ober-Blöbaum, S.; Dellnitz, M.:
Multiobjective Optimal Control Methods for the Navier-Stokes Equations Using Reduced Order Modeling.
Acta Applicandae Mathematicae 161(1), 171-199, 2019. (arXiv)

Klus, S.; Gelß, P.; Peitz, S.; Schütte, C.:
Tensor-based dynamic mode decomposition.
Nonlinearity 31(7), 3359-3380, 2018 (arXiv)

Peitz, S.; Dellnitz, M.:
A Survey of Recent Trends in Multiobjective Optimal Control – Surrogate Models, Feedback Control and Objective Reduction.
Mathematical and Computational Applications 23(2), 2018 (Link)

Ober-Blöbaum, S.; Peitz, S.:
Explicit multiobjective model predictive control for nonlinear systems with symmetries.
Submitted to International Journal of Robust and Nonlinear Control, 2018. (arXiv)

Peitz, S.:
Controlling nonlinear PDEs using low-dimensional bilinear approximations obtained from data.
Submitted, 2018. (arXiv)

3. Book chapters

Banholzer, S.; Gebken, B.; Dellnitz, M.; Peitz, S.; Volkwein, S.:
ROM-based multiobjective optimization of elliptic PDEs via numerical continuation.
Submitted (arXiv)

Peitz, S.; Klus, S.:
Feedback control of nonlinear PDEs using data-efficient reduced order models based on the Koopman operator.
To appear in Mauroy A.; Suzuki, Y.; Mezić, I. (Eds.) "The Koopman Operator in Systems and Control: Concepts, Methodologies and Applications", Springer, 2020. (arXiv)

Beermann, D.; Dellnitz, M.; Peitz, S.; Volkwein, S.:
Set-Oriented Multiobjective Optimal Control of PDEs using Proper Orthogonal Decomposition.
In Keiper, W.; Milde, A.; Volkwein, S. (Eds.) "Reduced-Order Modeling (ROM) for Simulation and Optimization", 47-72, Springer, 2018 (preprint)

4. Conference papers

Hanke, S.; Peitz, S.; Wallscheid, O.; Böcker, J.; Dellnitz M.:
Finite-Control-Set Model Predictive Control for a Permanent Magnet Synchronous Motor Application with Online Least Squares System Identification.
2019 IEEE International Symposium on Predictive Control of Electrical Drives and Power Electronics (PRECEDE), 2019.

Gebken, B.; Peitz, S.; Dellnitz, M.:
A Descent Method for Equality and Inequality Constrained Multiobjective Optimization Problems.
NEO 2017 Proceedings, 29-61, Springer, 2019 (arXiv)

Klus, S.; Peitz, S.; Schuster, I.:
Analyzing high-dimensional time-series data using kernel transfer operator eigenfunctions.
arXiv

Beermann, D.; Dellnitz, M.; Peitz, S.; Volkwein, S.:
POD-based multiobjective optimal control of PDEs with non-smooth objectives.
Proceedings in Applied Mathematics and Mechanics (PAMM) 17(1), 51-54, 2017. (PDF)

Peitz, S.; Schäfer, K.; Ober-Blöbaum, S.; Eckstein, J.; Köhler, U.; Dellnitz, M.:
A Multiobjective MPC Approach for Autonomously Driven Electric Vehicles.
IFAC PapersOnLine 50(1), 8674-8679, 2017 (arXiv)

Peitz, S.; Dellnitz, M.:
Gradient Based Multiobjective Optimization with Uncertainties.
NEO 2016 Proceedings, 159-182, Springer, 2018 (arXiv)

Peitz, S.; Gräler, M.; Henke, C.; Hessel-von Molo, M.; Dellnitz, M.; Trächtler, A.:
Multiobjective Model Predictive Control of an Industrial Laundry.
Procedia Technology 26, 483-490, 2016 (PDF)

Eckstein, J.; Peitz, S.; Schäfer, K.; Friedel, P.; Hessel-von Molo, M.; Ober-Blöbaum, S.; Dellnitz, M.:
A comparison of two predictive approaches to control the longitudinal dynamics of electric vehicles.
Procedia Technology 26, 465-472, 2016 (PDF)

Dellnitz, M.; Eckstein, J.; Flaßkamp, K.; Friedel, P.; Horenkamp, C.; Köhler, U.; Ober-Blöbaum, S.; Peitz, S.; Tiemeyer, S.:
Multiobjective optimal control methods for the development of an intelligent cruise control.
Progress in Industrial Mathematics at ECMI 2014, 633-641 2017 (PDF)

Peitz, S.; Ober-Blöbaum, S.; Dellnitz, M.:
Reduced Order Model based Multiobjective Optimal Control of Fluids.
XXIV ICTAM, 21-26 August 2016, Montreal, Canada - Online publication, 2016 (PDF)

Peitz, S.; Dellnitz, M.:
Multiobjectve Optimization of the Flow Around a Cylinder Using Model Order Reduction.
Proceedings in Applied Mathematics and Mechanics (PAMM) 15, 613-614, 2015 (PDF)

Dellnitz, M.; Eckstein, J.; Flaßkamp, K.; Friedel, P.; Horenkamp, C.; Köhler, U.; Ober-Blöbaum, S.; Peitz, S.; Tiemeyer, S.:
Development of an intelligent cruise control using optimal control methods.
Procedia Technology 15, 285-294, 2014 (PDF)

5. Talks and Workshops

6th International Conference on Continuous Optimization
05.08. - 08.08.2019 - Berlin, Germany
"Feedback control of nonlinear PDEs using Koopman-Operator-based switched systems"

SIAM Conference on Applications of Dynamical Systems
19.05. - 23.05.2019 - Snowbird, Utah, USA
"Data Driven Feedback Control of Nonlinear PDEs Using the Koopman Operator"

SIAM Conference on Computational Science and Engineering
25.02. - 01.03.2019 - Spokane, WA, USA
"Feedback Control of Nonlinear PDEs using Data-efficient Reduced Order Models Based on the Koopman Operator"

Symposium On Machine Learning for Dynamical Systems
11.02. - 13.02.2019 - London, UK
"Low-dimensional data-based surrogate models for analysis, simulation and control of high-dimensional dynamical systems"

Forschungsseminar der Fachgruppe CSC, Max-Planck-Institut für Dynamik Komplexer Technischer Systeme
20.11.2018 - Magedburg, Germany
"Data driven feedback control of nonlinear PDEs using the Koopman operator"

5th European Conference on Computational Optimization (EUCCO) 2018
10.09. - 12.09.2018 - Trier, Germany
"Data driven feedback control of nonlinear PDEs using the Koopman operator"

NUMDIFF-15
03.09. - 07.09.2018 - Halle (Saale), Germany
"Data driven feedback control of nonlinear PDEs using the Koopman operator"

Oxford Universitxy - Control Engineering Group Seminar
14.05.2018 - Oxford, UK
"Data driven feedback control of nonlinear PDEs using the Koopman operator"

89th Annual Meeting of GAMM
19.03. - 23.03.2018 - Munich, Germany
"Set-Oriented Multiobjective Optimal Control of PDEs using Certified ROMs"

4th CRITICS Workshop and Winter School on “Critical Transitions in Complex Systems: Mathematical theory and applications”
12.03. - 16.03.2018, Wöltingerode, Germany
"Controlling the Navier-Stokes equations using low-dimensional bilinear approximations obtained from data"

Center for Industrial Mathematics - University of Bremen
14.12.2017, Bremen, Germany
"Exploiting structure in multiobjective optimal control for real-time applicability and PDE constraints"

it's OWL Strategietagung
06.12.2017, Paderborn, Germany
"Mathematik in der Industrie - von der Mehrzieloptimierung zu intelligenten Systemen"

18th French - German - Italian Conference on Optimization
25.09. - 28.09.2017 - Paderborn, Germany
"Multiobjective optimization with uncertainties and the application to reduced order models for PDEs"

8th International Workshop on Set Oriented Numerics (SON)
12.09. - 15.09.2017 - Santa Barbara, California, USA
"A new framework for Koopman operator based open and closed loop control"

IFAC 2017 World Congress
19.07. - 24.07.2017 - Toulouse, France
"A Multiobjective MPC Approach for Autonomously Driven Electric Vehicle"

SIAM Conference on Applications of Dynamical Systems
21.05. - 25.05.2017 - Snowbird, Utah, USA
"A Multiobjective MPC Approach for Autonomously Driven Electric Vehicles"

88th Annual Meeting of GAMM
06.03. - 10.03.2017 - Weimar, Germany
"POD-based Set Oriented Multiobjective Optimal Control"

Workshop on Optimal and Feedback Control of Differential Equations
21.11. - 23.11.2016 - Konstanz, Germany
"Multiobjective Optimal Control of the Navier-Stokes Equations Using Reduced Order Modeling"

KoMSO Challenge Workshop "Reduced-Order Modeling for Simulation and Optimization"
07.11. - 08.11.2016 - Robert BOSCH Campus, Renningen, Germany
"ROM-based Multiobjective Optimal Control of the Navier-Stokes Equations"

4th European Conference on Computational Optimization
12.09. - 14.09.2016 - Leuven, Belgium
"Reduced Order Model Based Multiobjective Optimal Control of Nonlinear PDEs"

24th International Congress of Theoretical and Applied Mechanics
21.08. - 26.08.2016 - Montreal, Canada
"Reduced Order Model based Multiobjective Optimal Control of Fluids"

11th AIMS Conference on Dynamical Systems, Differential Equations and Applications
01.07. - 05.07.2016 - Orlando, Florida, USA
"Multiobjective Optimal Control of Coherent Structures Using Reduced Order Modeling"

Paderborner Wissenschaftstage
27.06.2016, Paderborn, Germany
"Energieeffizientes autonomes Fahren mit Hilfe mathematischer Optimierungsverfahren"

SON2015 - 6th International Workshop on Set-Oriented Numerics
28.09. - 01.10.2015, London, England
"Multiobjective Optimal Control Methods for Fluid Flow Using Reduced Order Modeling"

SIAM Conference on Control & it's Applications
08.07. - 10.07.2015, Paris, France
"Multiobjective Optimal Control Techniques in Energy Management" (within the Minisymposium "Controls, Optimization and Estimation for Building Energy Managment")

GAMM 86th Annual Meeting
23.03. - 27.03.2015, Lecce, Italy
"Multiobjective Optimization of the Flow Around a Cylinder Using Model Order Reduction"

Oberwolfach Seminar: Projection Based Model Reduction
23.09. - 29.09.2014, Oberwolfach, Germany

SON2014 - 5th International Workshop on Set-Oriented Numerics
01.09. - 05.09.2014, Christchurch, New Zealand
"Multiobjective Optimal Control Methods for the Development of an Intelligent Cruise Control"

SysInt2014 - Conference on System-Integrated Intelligence
02.07. - 04.07.2014, Bremen, Germany
"Development of an Intelligent Cruise Control using Optimal Control Methods"

ECMI2014 - European Consortium for Mathematics in Industry
09.06. - 13.06.2014, Taormina, Italy
"Multiobjective Optimal Control Methods for the Development of an Intelligent Cruise Control"

6th Elgersburg School on Hybrid Dynamical Systems and Mathematical Biology
16.03. - 22.03.2014, Elgersbrug, Germany

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