Insights and Challenges of Co-Simulation-based Optimal Pulse Pattern Evaluation for Electric Drives
L. Hölsch, A. Brosch, R. Steckel, T. Braun, S. Wendel, J. Böcker, O. Wallscheid, IEEE Transactions on Energy Conversion (2024) 1–12.
LibreCat: /record/53309
DOI: 10.1109/tec.2024.3374962

Analysis of Inverter Operation Modes of an IGBT-Based ZCS LLC Converter for a 2 kW Automotive On-Board DC-DC
D. Urbaneck, J. Wiegard, F. Schafmeister, in: PCIM Europe 2024; IEEE International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management, Nuremberg, n.d.
LibreCat: /record/54355

Study on Sample Geometries for Ferrite Characterisation in the MHz-Range
T. Piepenbrock, L. Keuck, S. Schachten, J. Böcker, F. Schafmeister, in: PCIM Europe 2024; IEEE International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management, Nuremberg, n.d.
LibreCat: /record/54353

Pitfalls and their Avoidability in the Double-Pulse Test
N. Förster, D. Urbaneck, B. Kohlhepp, D. Kübrich, F. Schafmeister, in: PCIM Europe 2024; IEEE International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management, Nuremberg, n.d.
LibreCat: /record/54354

FEM Modelling of Dimensional-Resonant Inductors for LLC Converters in MHz Range
T. Piepenbrock, F. Schafmeister, J. Böcker, in: SPEEDAM 2024; 27th International Symposium on Power Electronics, Electrical Drives, Automation and Motion, Ischia, n.d.
LibreCat: /record/54357

Experimentally Verified 22 kW, 30 kHz LLC Resonant Converter Design with new Control for a 1 MW Cascaded H-Bridge Converter
R. Unruh, J. Böcker, F. Schafmeister, in: ECCE Europe 2024; IEEE Energy Conversion Congress &; Exposition Europe, Darmstadt, n.d.
LibreCat: /record/54356

Mechatronik und elektrische Antriebe / Mechatronics and electrical drives
J. Böcker, Mechatronik und elektrische Antriebe / Mechatronics and electrical drives, Paderborn University, Paderborn, n.d.
LibreCat: /record/41369
DOI: 10.17619/UNIPB/1-1640

Time-Optimal Model Predictive Control of Permanent Magnet Synchronous Motors Considering Current and Torque Constraints
A. Brosch, O. Wallscheid, J. Böcker, IEEE Transactions on Power Electronics (2023) 1–14.
LibreCat: /record/43456
DOI: 10.1109/tpel.2023.3265705

Finite Set Sensorless Control With Minimum a Priori Knowledge and Tuning Effort for Interior Permanent Magnet Synchronous Motors
A. Brosch, F. Tinazzi, O. Wallscheid, M. Zigliotto, J. Böcker, IEEE Transactions on Power Electronics (2023).
LibreCat: /record/46147
DOI: 10.1109/tpel.2023.3294557

Steady-State Error Compensation for Reinforcement Learning-Based Control of Power Electronic Systems
D. Weber, M. Schenke, O. Wallscheid, IEEE Access 11 (2023) 76524–76536.
LibreCat: /record/46213
DOI: 10.1109/access.2023.3297274

Safe Reinforcement Learning-Based Control in Power Electronic Systems
D. Weber, M. Schenke, O. Wallscheid, in: 2023 International Conference on Future Energy Solutions (FES), IEEE, 2023.
LibreCat: /record/46212
DOI: 10.1109/fes57669.2023.10182718

ElectricGrid.jl - A Julia-based modeling and simulationtool for power electronics-driven electric energy grids
O. Wallscheid, S. Peitz, J. Stenner, D. Weber, S. Boshoff, M. Meyer, V. Chidananda, O. Schweins, Journal of Open Source Software 8 (2023).
LibreCat: /record/46784
DOI: 10.21105/joss.05616

Pseudo-Labeling Machine Learning Algorithm for Predictive Maintenance of Relays
F. Winkel, O. Wallscheid, P. Scholz, J. Böcker, IEEE Open Journal of the Industrial Electronics Society (2023) 1–14.
LibreCat: /record/48059
DOI: 10.1109/ojies.2023.3323870

Run-to-Failure Relay Dataset for Predictive Maintenance Research With Machine Learning
F. Winkel, J. Deuse-Kleinsteuber, J. Böcker, IEEE Transactions on Reliability (2023) 1–14.
LibreCat: /record/48058
DOI: 10.1109/tr.2023.3255786

An Optimized Third-Harmonic Injection Reduces DC-Link Voltage Ripple in Cascaded H-Bridge Converters up to 50% for all Power Factors
R. Unruh, J. Böcker, F. Schafmeister, in: 2023 25th European Conference on Power Electronics and Applications (EPE’23 ECCE Europe), IEEE, 2023.
LibreCat: /record/48352
DOI: 10.23919/epe23ecceeurope58414.2023.10264313

Fade-Over Strategy for use of Model Predictive Direct Self-Control with Field-Oriented Control
M. Pena, M. Meyer, O. Wallscheid, J. Böcker, in: 2023 IEEE International Electric Machines and Drives Conference (IEMDC), IEEE, 2023.
LibreCat: /record/48093
DOI: 10.1109/iemdc55163.2023.10239056

Model Predictive Direct Self-Control for Six-Step Operation of Permanent-Magnet Synchronous Machines
M. Pena, M. Meyer, O. Wallscheid, J. Böcker, IEEE Transactions on Power Electronics 38 (2023) 12416–12429.
LibreCat: /record/48092
DOI: 10.1109/tpel.2023.3286713

Meta-Reinforcement-Learning-Based Current Control of Permanent Magnet Synchronous Motor Drives for a Wide Range of Power Classes
D. Jakobeit, M. Schenke, O. Wallscheid, IEEE Transactions on Power Electronics 38 (2023) 8062–8074.
LibreCat: /record/49760
DOI: 10.1109/tpel.2023.3256424

Online system identification and excitation for thermal monitoring of electric machines using machine learning and model predictive control
E.G. Gedlu, O. Wallscheid, J. Böcker, O. Nelles, in: 2023 IEEE 14th International Symposium on Diagnostics for Electrical Machines, Power Electronics and Drives (SDEMPED), IEEE, 2023.
LibreCat: /record/53310
DOI: 10.1109/sdemped54949.2023.10271427

Reducing Contact Bouncing of a Relay by Optimizing the Switch Signal During Run-Time
F. Winkel, P. Scholz, O. Wallscheid, J. Böcker, IEEE Transactions on Automation Science and Engineering (2023) 1–11.
LibreCat: /record/53543
DOI: 10.1109/tase.2023.3322762

Advanced Synchronous Rectification for an IGBT-Based ZCS LLC Converter with High Output Currents for a 2 kW Automotive DC-DC Stage
D. Urbaneck, J. Böcker, F. Schafmeister, in: PCIM Europe 2023; IEEE International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management , Nuremberg, 2023.
LibreCat: /record/54352

Compensation of LF Common-Mode Noise by the internal DC/DC-Stage for transformerless On-Board Chargers at Three- and Single-Phase Operation
F. Schafmeister, in: International Conference on Electric &; Electronic in Hybrid and Electric Vehicles and Electric Energy Management (EEHE), Bamberg, Germany, n.d.
LibreCat: /record/30347

An Open-Source Transistor Database and Toolbox as an Unified Software Engineering Tool for Managing and Evaluating Power Transistors
N. Förster, P. Rehlaender, O. Wallscheid, F. Schafmeister, J. Böcker, in: Proc. 37th IEEE Applied Power Electronics Conference (APEC), IEEE, Houston, TX, USA, n.d.
LibreCat: /record/30349

Robust Hysteresis Control for LLC Resonant Converters Using a Fully Isolated Measurement Scheme
L. Keuck, F. Schafmeister, J. Böcker, in: Proc. IEEE International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management (PCIM), IEEE, Nuremberg, Germany, n.d.
LibreCat: /record/30350

Comparative Evaluation of MVAC-LVDC SST and Hybrid Transformer Concepts for Future Datacenters
J. Huber, P. Wallmeier, R. Pieper, F. Schafmeister, J. Kolar, in: Proc. 9th IEEJ International Power Electronics Conference (IPEC), IEE Japan, Himeji, Japan, n.d.
LibreCat: /record/30844

Model Predictive Torque Control for Permanent Magnet Synchronous Motors Using a Stator-Fixed Harmonic Flux Reference Generator in the Entire Modulation Range
A. Brosch, O. Wallscheid, J. Böcker, IEEE Transactions on Power Electronics (2022).
LibreCat: /record/34533
DOI: 10.1109/tpel.2022.3229619

Concept Study of an LLC Converter with Magnetically Resonant Inductor
J. Böcker, in: 2022 International Symposium on Power Electronics, Electrical Drives, Automation and Motion (SPEEDAM), IEEE, 2022.
LibreCat: /record/32796
DOI: 10.1109/speedam53979.2022.9842047

Long-Term Memory Recursive Least Squares Online Identification of Highly Utilized Permanent Magnet Synchronous Motors for Finite-Control-Set Model Predictive Control
A. Brosch, O. Wallscheid, J. Böcker, IEEE Transactions on Power Electronics (2022).
LibreCat: /record/33459
DOI: 10.1109/tpel.2022.3206598

Experimental Comparison of FPGA-Implemented Model Predictive Voltage Control to Cascaded Proportional Resonant Control for a Three-Phase Four-Wire Three-Level Grid-Forming Inverter of 250 kVA
J. Lange, D. Schmies, K.S.C. Stille, J. Böcker, O. Wallscheid, in: EPE’22 ECCE Europe, IEEE, Hannover, 2022.
LibreCat: /record/33489

An Open-Source Transistor Database and Toolbox as a Unified Software Engineering Tool for Managing and Evaluating Power Transistors
N. Förster, P. Rehlaender, O. Wallscheid, F. Schafmeister, J. Böcker, in: 2022 IEEE Applied Power Electronics Conference and Exposition (APEC), IEEE, 2022.
LibreCat: /record/35125
DOI: 10.1109/apec43599.2022.9773701

An Open-Source FEM Magnetics Toolbox for Power Electronic Magnetic Components
N. Förster, T. Piepenbrock, P. Rehlaender, O. Wallscheid, F. Schafmeister, J. Böcker, in: PCIM Europe 2022; International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management, 2022, pp. 1–10.
LibreCat: /record/35127
DOI: 10.30420/565822103

Thermal neural networks: Lumped-parameter thermal modeling with state-space machine learning
W. Kirchgässner, O. Wallscheid, J. Böcker, Engineering Applications of Artificial Intelligence 117 (2022).
LibreCat: /record/34065
DOI: 10.1016/j.engappai.2022.105537

Learning Thermal Properties and Temperature Models of Electric Motors with Neural Ordinary Differential Equations
W. Kirchgässner, O. Wallscheid, J. Böcker, in: 2022 International Power Electronics Conference (IPEC-Himeji 2022- ECCE Asia), IEEE, 2022.
LibreCat: /record/32859
DOI: 10.23919/ipec-himeji2022-ecce53331.2022.9807209

LLC Resonant Converter Modulations for Reduced Junction Temperatures in Half-Bridge Mode and Transformer Flux in the On-the-Fly Morphing Thereto
P. Rehlaender, O. Wallscheid, F. Schafmeister, J. Böcker, IEEE Transactions on Power Electronics 37 (2022) 13413–13427.
LibreCat: /record/44163
DOI: 10.1109/tpel.2022.3180758

Application of Thermal Neural Networks on a Small-Scale Electric Motor
W. Kirchgässner, D. Wöckinger, O. Wallscheid, G. Bramerdorfer, J. Böcker, in: IKMT 2022; 13. GMM/ETG-Symposium, 2022, pp. 1–6.
LibreCat: /record/42894

Experimental Demonstration of a 2.2kW Active-Clamp Converter for High-Current Wide-Voltage-Transfer Ratio Applications
P. Rehlaender, B. Korthauer, F. Schafmeister, J. Böcker, in: 2022 24th European Conference on Power Electronics and Applications (EPE’22 ECCE Europe), 2022, p. P.1-P.11.
LibreCat: /record/44164

Phase-Shift Modulation for Flying-Capacitor DC-DC Converters
P. Rehlaender, F. Schafmeister, J. Böcker, in: 2022 24th European Conference on Power Electronics and Applications (EPE’22 ECCE Europe), 2022, pp. 1–9.
LibreCat: /record/44161

Data-Driven Adaptive Torque Oscillation Compensation for Multi-Motor Drive Systems
A. Brosch, J. Rauhaus, O. Wallscheid, J. Böcker, D. Zimmer, IEEE Open Journal of Industry Applications (2022).
LibreCat: /record/31085
DOI: 10.1109/ojia.2022.3171333

Untersuchung und Entwicklung eines modularen speicherbasierten Schweißstromgenerators mit geringster Stromschwankungsbreite für das Widerstandsschweißen
M. Hagemeyer, Untersuchung und Entwicklung eines modularen speicherbasierten Schweißstromgenerators mit geringster Stromschwankungsbreite für das Widerstandsschweißen, 2022.
LibreCat: /record/44230
DOI: 10.17619/UNIPB/1-1582

Zero-Sequence Voltage Reduces DC-Link Capacitor Demand in Cascaded H-Bridge Converters for Large-Scale Electrolyzers by 40%
R. Unruh, F. Schafmeister, J. Böcker, in: 24th European Conference on Power Electronics and Applications (EPE’22 ECCE Europe), IEEE, 2022.
LibreCat: /record/34176

An Open-Source FEM Magnetic Toolbox for Calculating Electric and Thermal Behavior of Power Electronic Magnetic Components
N. Förster, J. Hölscher, T. Piepenbrock, P. Rehlaender, O. Wallscheid, F. Schafmeister, J. Böcker, in: 2022 24th European Conference on Power Electronics and Applications (EPE’22 ECCE Europe), 2022, p. P.1-P.9.
LibreCat: /record/35126

Elektrische Antriebe – Regelung von Antriebssystemen
D. Schröder, J. Böcker, Elektrische Antriebe – Regelung von Antriebssystemen, 5th ed., Springer Nature, 2021.
LibreCat: /record/29876
DOI: 10.1007/978-3-662-62700-6

Common-Mode-Free Bidirectional Three-Phase PFC-Rectifier for Non-Isolated EV Charger
B. Strothmann, F. Schafmeister, J. Böcker, in: 2021 IEEE Applied Power Electronics Conference and Exposition (APEC), IEEE, 2021.
LibreCat: /record/29849
DOI: 10.1109/apec42165.2021.9487462

Model Predictive Control of Permanent Magnet Synchronous Motors in the Overmodulation Region Including Six-Step Operation
A. Brosch, O. Wallscheid, J. Böcker, IEEE Open Journal of Industry Applications 2 (2021) 47–63.
LibreCat: /record/29657
DOI: 10.1109/OJIA.2021.3066105

Temperature estimation of electric machines using a hybrid model of feed-forward neural and low-order lumped-parameter thermal networks
E.G. Gedlu, O. Wallscheid, J. Böcker, in: 2021 IEEE International Electric Machines &; Drives Conference (IEMDC), 2021, pp. 1–8.
LibreCat: /record/29663
DOI: 10.1109/IEMDC47953.2021.9449548

Interleaved Single-Stage LLC Converter Design Utilizing Half- and Full-Bridge Configurations for Wide Voltage Transfer Ratio Applications
P. Rehlaender, F. Schafmeister, J. Böcker, IEEE Transactions on Power Electronics 36 (2021) 10065–10080.
LibreCat: /record/29892
DOI: 10.1109/tpel.2021.3067843

Design and Analysis of a Regenerative Snubber for a 2.2 kW Active-Clamp Forward Converter with Low-Voltage Output
B. Korthauer, P. Rehlaender, F. Schafmeister, J. Böcker, in: 2021 IEEE Applied Power Electronics Conference and Exposition (APEC), IEEE, 2021.
LibreCat: /record/29895
DOI: 10.1109/apec42165.2021.9487130

Transferring Online Reinforcement Learning for Electric Motor Control From Simulation to Real-World Experiments
G. Book, A. Traue, P. Balakrishna, A. Brosch, M. Schenke, S. Hanke, W. Kirchgässner, O. Wallscheid, IEEE Open Journal of Power Electronics (2021) 187–201.
LibreCat: /record/22162
DOI: 10.1109/ojpel.2021.3065877

Safe Bayesian Optimization for Data-Driven Power Electronics Control Design in Microgrids: From Simulations to Real-World Experiments
D. Weber, S. Heid, H. Bode, J. Lange, E. Hüllermeier, O. Wallscheid, IEEE Access 9 (2021) 35654–35669.
LibreCat: /record/29653
DOI: 10.1109/ACCESS.2021.3062144

Single-Phase Operation of Common-Mode-Free Bidirectional Three-Phase PFC-Rectifier for Non-Isolated EV Charger with Minimized DC-Link
B. Strothmann, G. Book, F. Schafmeister, J. Böcker, in: PCIM Europe Digital Days 2021; International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management, 2021, pp. 1–8.
LibreCat: /record/29850