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537 Publications
2025 | Journal Article | LibreCat-ID: 59805
R. Unruh, J. Böcker, and F. Schafmeister, “Adaptive DC-Link Voltage Control for 22 kW, 40 kHz LLC Resonant Converter Considering Low-Frequency Voltage Ripple,” Electronics, vol. 14, no. 8, Art. no. 1517, 2025, doi: 10.3390/electronics14081517.
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2025 | Conference Paper | LibreCat-ID: 63157
R. Unruh, J. Böcker, and F. Schafmeister, “Three-Phase Instantaneous Current Controller for Unbalanced Grid Inductors Without DQ Transform for Cascaded H-Bridge Converters,” presented at the 2025 Energy Conversion Congress & Expo Europe (ECCE Europe), Birmingham, United Kingdom, 2025, doi: 10.1109/ecce-europe62795.2025.11238538.
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2025 | Conference Paper | LibreCat-ID: 60746
D. Jakobeit, M. Peña López, M. Schenke, B. Haucke-Korber, and O. Wallscheid, “Structural Optimization of Meta-Reinforcement Learning-based Finite-Control-Set Direct Torque Control of Permanent Magnet Synchronous Motors,” 2025, doi: 10.1109/iemdc60492.2025.11061179.
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2025 | Conference Paper | LibreCat-ID: 60745
B. Haucke-Korber, N. N. Aung, M. Schenke, M. Peña López, D. Jakobeit, and O. Wallscheid, “Reinforcement Learning-based Direct Torque Control of Externally Excited Synchronous Motors: a Proof of Concept,” 2025, doi: 10.1109/iemdc60492.2025.11061093.
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2025 | Conference Paper | LibreCat-ID: 60744
M. Peña López, M. Schenke, D. Jakobeit, B. Haucke-Korber, and O. Wallscheid, “Reinforcement Learning Control of Three-Level Converter Permanent Magnet Synchronous Machine Drives,” 2025, doi: 10.1109/iemdc60492.2025.11061032.
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2024 | Conference Paper | LibreCat-ID: 54355
D. Urbaneck, J. Wiegard, and F. Schafmeister, “Analysis of Inverter Operation Modes of an IGBT-Based ZCS LLC Converter for a 2 kW Automotive On-Board DC-DC,” Nuremberg.
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2024 | Conference Paper | LibreCat-ID: 54353
T. Piepenbrock, L. Keuck, S. Schachten, J. Böcker, and F. Schafmeister, “Study on Sample Geometries for Ferrite Characterisation in the MHz-Range,” Nuremberg.
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2024 | Conference Paper | LibreCat-ID: 54354
N. Förster, D. Urbaneck, B. Kohlhepp, D. Kübrich, and F. Schafmeister, “Pitfalls and their Avoidability in the Double-Pulse Test,” Nuremberg.
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2024 | Journal Article | LibreCat-ID: 53309
L. Hölsch et al., “Insights and Challenges of Co-Simulation-Based Optimal Pulse Pattern Evaluation for Electric Drives,” IEEE Transactions on Energy Conversion, pp. 1–12, 2024, doi: 10.1109/tec.2024.3374962.
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2024 | Conference Paper | LibreCat-ID: 54357
T. Piepenbrock, F. Schafmeister, and J. Böcker, “FEM Modelling of Dimensional-Resonant Inductors for LLC Converters in MHz Range,” presented at the 27th International Symposium on Power Electronics, Electrical Drives, Automation and Motion, Ischia, near Naples, Italy, doi: 10.1109/SPEEDAM61530.2024.10609111.
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2024 | Conference Paper | LibreCat-ID: 54356
R. Unruh, J. Böcker, and F. Schafmeister, “Experimentally Verified 22 kW, 40 kHz LLC Resonant Converter Design with new Control for a 1 MW Cascaded H-Bridge Converter,” presented at the ECCE Europe 2024, Darmstadt, Germany, doi: https://doi.org/10.1109/ECCEEurope62508.2024.10751954.
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2024 | Conference Paper | LibreCat-ID: 58648
R. Unruh, J. Böcker, and F. Schafmeister, “Experimentally Verified 22 kW, 40 kHz LLC Resonant Converter Design with new Control for a 1 MW Cascaded H-Bridge Converter,” presented at the Energy Conversion Congress & Expo (ECCE Europe), Darmstadt, 2024, doi: 10.1109/ECCEEurope62508.2024.10751954.
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2023 | Journal Article | LibreCat-ID: 48059
F. Winkel, O. Wallscheid, P. Scholz, and J. Böcker, “Pseudo-Labeling Machine Learning Algorithm for Predictive Maintenance of Relays,” IEEE Open Journal of the Industrial Electronics Society, pp. 1–14, 2023, doi: 10.1109/ojies.2023.3323870.
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2023 | Journal Article | LibreCat-ID: 48058
F. Winkel, J. Deuse-Kleinsteuber, and J. Böcker, “Run-to-Failure Relay Dataset for Predictive Maintenance Research With Machine Learning,” IEEE Transactions on Reliability, pp. 1–14, 2023, doi: 10.1109/tr.2023.3255786.
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2023 | Conference Paper | LibreCat-ID: 48352
R. Unruh, J. Böcker, and F. Schafmeister, “An Optimized Third-Harmonic Injection Reduces DC-Link Voltage Ripple in Cascaded H-Bridge Converters up to 50% for all Power Factors,” presented at the 2023 25th European Conference on Power Electronics and Applications (EPE’23 ECCE Europe), Aalborg, Denmark, 2023, doi: 10.23919/epe23ecceeurope58414.2023.10264313.
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2023 | Conference Paper | LibreCat-ID: 48093
M. Pena, M. Meyer, O. Wallscheid, and J. Böcker, “Fade-Over Strategy for use of Model Predictive Direct Self-Control with Field-Oriented Control,” presented at the 2023 IEEE International Electric Machines and Drives Conference (IEMDC), San Francisco, 2023, doi: 10.1109/iemdc55163.2023.10239056.
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2023 | Journal Article | LibreCat-ID: 48092
M. Pena, M. Meyer, O. Wallscheid, and J. Böcker, “Model Predictive Direct Self-Control for Six-Step Operation of Permanent-Magnet Synchronous Machines,” IEEE Transactions on Power Electronics, vol. 38, no. 10, pp. 12416–12429, 2023, doi: 10.1109/tpel.2023.3286713.
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