Publications of Dr. Kai Schäfer

Articles (3)

1. I. Mykhailiuk, K. Schäfer, C. Büskens.
   Parametric stability score and its application in optimal control.
   IFAC-PapersOnLine, 55(16):172-177, Elsevier, 2022.

   DOI: 10.1016/j.ifacol.2022.09.019

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

   DOI: 10.1016/j.ifacol.2017.08.1526

3. J. Eckstein, S. Peitz, K. Schäfer, P. Friedel, U. Köhler, M. Hessel-von Molo, S. Ober-Blöbaum, M. Dellnitz.
   A Comparison of two Predictive Approaches to Control the Longitudinal Dynamics of Electric Vehicles.
   Procedia Technology, 26:465-472, Elsevier, 2016.

   DOI: 10.1016/j.protcy.2016.08.059

PhD/Habilitation Thesis (1)

1. K. Schäfer.
   Decomposition Methods for Parameter Identification and Bilevel Programming.
   Dissertationsschrift, Universität Bremen, 2023.

   DOI: 10.26092/elib/2735

Proceedings (9)

1. M. Wiesner, K. Schäfer, W. Bergmann, A. Berger, P. Shulpyakov, C. Dittert, C. Büskens.
   Analyzing the Influence of Measurements in Dynamical Parameter Identification Using Parametric Sensitivities.
   Third IFAC Conference on Modelling, Identification and Control of Nonlinear Systems, 15.09-17.09.2021.
   

   DOI: 10.1016/j.ifacol.2021.10.320

2. I. Mykhailiuk, K. Flaßkamp, C. Büskens, K. Schäfer.
   On the Computation of Convergence Regions for Sequential Nonlinear Programming Problems.
   GAMM 91st Annual Meeting of the international Association of Applied Mathematics and Mechanics, online, 15.03.2021 - 19.03.2021.
   Proceedings in Applied Mathematics & Mechanics, 20(1), WILEY-VCH, 2021.

   DOI: 10.1002/pamm.202000281

3. K. Schäfer, J. Fliege, K. Flaßkamp, C. Büskens.
   Reformulating Bilevel Problems by SQP Embedding.
   GAMM 91st Annual Meeting of the international Association of Applied Mathematics and Mechanics, online, 15.03.2021 - 19.03.2021.
   Proceedings in Applied Mathematics & Mechanics, WILEY-VCH, 2021.

   DOI: 10.1002/pamm.202000302

4. I. Mykhailiuk, K. Schäfer, C. Büskens.
   Stability Score for Local Solutions of Unconstrained Parametric Nonlinear Programs.
   GAMM 92nd Annual Meeting of the International Association of Applied Mathematics and Mechanics , 15.08-18.08.2022.
   Proceedings in Applied Mathematics & Mechanics, 21(1), Wiley, 2021.

   DOI: 10.1002/pamm.202100215

5. I. Mykhailiuk, K. Schäfer, K. Flaßkamp, C. Büskens.
   Preferable Minima in Nonlinear Optimization: Definition and Algorithmic Approaches.
   IEEE International Workshop on Machine Learning for Signal Processing (2024), 22.09.-25.09.2024, London, UK.
   To appear in IEEE.

   online at: https://hessenbox.uni-kassel.de/dl/fi226HzF3AJV3g4LFWM4fWE6/daily_program_2020.pdf?inline

6. K. Schäfer, K. Flaßkamp, J. Fliege, C. Büskens.
   A Combined Homotopy-Optimization Approach to Parameter Identification for Dynamical Systems.
   GAMM Annual Meeting of the international Association of Applied Mathematics and Mechanics, 18.02-22.02.2019, Vienna, Austria.
   90, Proc. Appl. Math. Mech., 19, Wiley, 2019.

   DOI: 10.1002/pamm.201900266

7. K. Schäfer, K. Flaßkamp, C. Büskens.
   A Numerical Study of the Robustness of Transcription Methods for Parameter Identification Problems.
   GAMM Annual Meeting of the international Association of Applied Mathematics and Mechanics, 19.03.-23.03.2018, Munich, Germany.
   89, Proc. Appl. Math. Mech., 18, Wiley, 2018.

   DOI: 10.1002/pamm.201800101

8. K. Schäfer, M. Runge, K. Flaßkamp, C. Büskens.
   Parameter Identification for Dynamical Systems Using Optimal Control Techniques.
   European Control Conference (ECC) 2018, 12.06.-15.06.2018, Limassol, Cyprus.
   

   DOI: 10.23919/ECC.2018.8550045

9. K. Flaßkamp, K. Schäfer, C. Büskens.
   Variational Integrators for Parameter Identification of Mechanical Systems.
   GAMM Annual Meeting of the international Association of Applied Mathematics and Mechanics, 19.03.-23.03.2018, Munich, Germany.
   89, Proc. Appl. Math. Mech., 18, Wiley, 2018.

   DOI: 10.1002/pamm.201800284