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537 Publications
2025 | Journal Article | LibreCat-ID: 59805
Unruh, Roland, Joachim Böcker, and Frank Schafmeister. “Adaptive DC-Link Voltage Control for 22 KW, 40 KHz LLC Resonant Converter Considering Low-Frequency Voltage Ripple.” Electronics 14, no. 8 (2025). https://doi.org/10.3390/electronics14081517.
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2025 | Conference Paper | LibreCat-ID: 63157
Unruh, Roland, Joachim Böcker, and Frank Schafmeister. “Three-Phase Instantaneous Current Controller for Unbalanced Grid Inductors Without DQ Transform for Cascaded H-Bridge Converters.” In 2025 Energy Conversion Congress &Amp; Expo Europe (ECCE Europe). IEEE, 2025. https://doi.org/10.1109/ecce-europe62795.2025.11238538.
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2025 | Conference Paper | LibreCat-ID: 60746
Jakobeit, Darius, Mario Peña López, Maximilian Schenke, Barnabas Haucke-Korber, and Oliver Wallscheid. “Structural Optimization of Meta-Reinforcement Learning-Based Finite-Control-Set Direct Torque Control of Permanent Magnet Synchronous Motors.” In 2025 IEEE International Electric Machines & Drives Conference (IEMDC). IEEE, 2025. https://doi.org/10.1109/iemdc60492.2025.11061179.
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2025 | Conference Paper | LibreCat-ID: 60745
Haucke-Korber, Barnabas, Nyi Nyi Aung, Maximilian Schenke, Mario Peña López, Darius Jakobeit, and Oliver Wallscheid. “Reinforcement Learning-Based Direct Torque Control of Externally Excited Synchronous Motors: A Proof of Concept.” In 2025 IEEE International Electric Machines & Drives Conference (IEMDC). IEEE, 2025. https://doi.org/10.1109/iemdc60492.2025.11061093.
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2025 | Conference Paper | LibreCat-ID: 60744
Peña López, Mario, Maximilian Schenke, Darius Jakobeit, Barnabas Haucke-Korber, and Oliver Wallscheid. “Reinforcement Learning Control of Three-Level Converter Permanent Magnet Synchronous Machine Drives.” In 2025 IEEE International Electric Machines & Drives Conference (IEMDC). IEEE, 2025. https://doi.org/10.1109/iemdc60492.2025.11061032.
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2024 | Conference Paper | LibreCat-ID: 54355
Urbaneck, Daniel, Jan Wiegard, and Frank Schafmeister. “Analysis of Inverter Operation Modes of an IGBT-Based ZCS LLC Converter for a 2 KW Automotive On-Board DC-DC.” In PCIM Europe 2024; IEEE International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management. Nuremberg, n.d.
LibreCat
2024 | Conference Paper | LibreCat-ID: 54353
Piepenbrock, Till, Lukas Keuck, Sebastian Schachten, Joachim Böcker, and Frank Schafmeister. “Study on Sample Geometries for Ferrite Characterisation in the MHz-Range.” In PCIM Europe 2024; IEEE International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management. Nuremberg, n.d.
LibreCat
2024 | Conference Paper | LibreCat-ID: 54354
Förster, Nikolas, Daniel Urbaneck, Benedikt Kohlhepp, Daniel Kübrich, and Frank Schafmeister. “Pitfalls and Their Avoidability in the Double-Pulse Test.” In PCIM Europe 2024; IEEE International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management. Nuremberg, n.d.
LibreCat
2024 | Journal Article | LibreCat-ID: 53309
Hölsch, Lukas, Anian Brosch, Richard Steckel, Tristan Braun, Sebastian Wendel, Joachim Böcker, and Oliver Wallscheid. “Insights and Challenges of Co-Simulation-Based Optimal Pulse Pattern Evaluation for Electric Drives.” IEEE Transactions on Energy Conversion, 2024, 1–12. https://doi.org/10.1109/tec.2024.3374962.
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2024 | Conference Paper | LibreCat-ID: 54357
Piepenbrock, Till, Frank Schafmeister, and Joachim Böcker. “FEM Modelling of Dimensional-Resonant Inductors for LLC Converters in MHz Range.” In SPEEDAM 2024; 27th International Symposium on Power Electronics, Electrical Drives, Automation and Motion. Ischia, n.d. https://doi.org/10.1109/SPEEDAM61530.2024.10609111.
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2024 | Conference Paper | LibreCat-ID: 54356
Unruh, Roland, Joachim Böcker, and Frank Schafmeister. “Experimentally Verified 22 KW, 40 KHz LLC Resonant Converter Design with New Control for a 1 MW Cascaded H-Bridge Converter.” In ECCE Europe 2024; IEEE Energy Conversion Congress & Exposition Europe. Darmstadt: IEEE, n.d. https://doi.org/10.1109/ECCEEurope62508.2024.10751954.
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2024 | Conference Paper | LibreCat-ID: 58648
Unruh, Roland, Joachim Böcker, and Frank Schafmeister. “Experimentally Verified 22 KW, 40 KHz LLC Resonant Converter Design with New Control for a 1 MW Cascaded H-Bridge Converter.” In Proceedings of the Energy Conversion Congress & Expo (ECCE Europe). IEEE, 2024. https://doi.org/10.1109/ECCEEurope62508.2024.10751954.
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2024 | Dissertation | LibreCat-ID: 58756
Kirchgässner, Wilhelm. Data-Driven Thermal Modeling of a Permanent Magnet Synchronous Motor with Machine Learning. LibreCat University, 2024. https://doi.org/10.17619/UNIPB/1-2068.
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2024 | Dissertation | LibreCat-ID: 58757
Rehlaender, Philipp. Single-Stage DC-DC Converters for a Wide Input & Output Voltage Range. LibreCat University, 2024. https://doi.org/10.17619/UNIPB/1-2148.
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2024 | Dissertation | LibreCat-ID: 58682
Brosch, Anian. Time-Optimal Control of Synchronous Machines in the Whole Modulation Range Considering Current and Torque Constraints , 2024. https://doi.org/10.17619/UNIPB/1-2064.
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2023 | Journal Article | LibreCat-ID: 48059
Winkel, Fabian, Oliver Wallscheid, Peter Scholz, and Joachim Böcker. “Pseudo-Labeling Machine Learning Algorithm for Predictive Maintenance of Relays.” IEEE Open Journal of the Industrial Electronics Society, 2023, 1–14. https://doi.org/10.1109/ojies.2023.3323870.
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2023 | Journal Article | LibreCat-ID: 48058
Winkel, Fabian, Johannes Deuse-Kleinsteuber, and Joachim Böcker. “Run-to-Failure Relay Dataset for Predictive Maintenance Research With Machine Learning.” IEEE Transactions on Reliability, 2023, 1–14. https://doi.org/10.1109/tr.2023.3255786.
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2023 | Conference Paper | LibreCat-ID: 48352
Unruh, Roland, Joachim Böcker, and Frank Schafmeister. “An Optimized Third-Harmonic Injection Reduces DC-Link Voltage Ripple in Cascaded H-Bridge Converters up to 50% for All Power Factors.” In 2023 25th European Conference on Power Electronics and Applications (EPE’23 ECCE Europe). IEEE, 2023. https://doi.org/10.23919/epe23ecceeurope58414.2023.10264313.
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2023 | Conference Paper | LibreCat-ID: 48093
Pena, Mario, Michael Meyer, Oliver Wallscheid, and Joachim Böcker. “Fade-Over Strategy for Use of Model Predictive Direct Self-Control with Field-Oriented Control.” In 2023 IEEE International Electric Machines and Drives Conference (IEMDC). IEEE, 2023. https://doi.org/10.1109/iemdc55163.2023.10239056.
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2023 | Journal Article | LibreCat-ID: 48092
Pena, Mario, Michael Meyer, Oliver Wallscheid, and Joachim Böcker. “Model Predictive Direct Self-Control for Six-Step Operation of Permanent-Magnet Synchronous Machines.” IEEE Transactions on Power Electronics 38, no. 10 (2023): 12416–29. https://doi.org/10.1109/tpel.2023.3286713.
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