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511 Publications
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.
LibreCat
| DOI
2023 | Book | LibreCat-ID: 41369
Böcker, Joachim. Mechatronik und elektrische Antriebe / Mechatronics and electrical drives. Paderborn: Paderborn University, n.d. https://doi.org/10.17619/UNIPB/1-1640.
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| DOI
2023 | Journal Article | LibreCat-ID: 43456
Brosch, Anian, Oliver Wallscheid, and Joachim Böcker. “Time-Optimal Model Predictive Control of Permanent Magnet Synchronous Motors Considering Current and Torque Constraints.” IEEE Transactions on Power Electronics, 2023, 1–14. https://doi.org/10.1109/tpel.2023.3265705.
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| DOI
2023 | Journal Article | LibreCat-ID: 46147
Brosch, Anian, Fabio Tinazzi, Oliver Wallscheid, Mauro Zigliotto, and Joachim Böcker. “Finite Set Sensorless Control With Minimum a Priori Knowledge and Tuning Effort for Interior Permanent Magnet Synchronous Motors.” IEEE Transactions on Power Electronics, 2023. https://doi.org/10.1109/tpel.2023.3294557.
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| DOI
2023 | Journal Article | LibreCat-ID: 46213
Weber, Daniel, Maximilian Schenke, and Oliver Wallscheid. “Steady-State Error Compensation for Reinforcement Learning-Based Control of Power Electronic Systems.” IEEE Access 11 (2023): 76524–36. https://doi.org/10.1109/access.2023.3297274.
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| DOI
2023 | Conference Paper | LibreCat-ID: 46212
Weber, Daniel, Maximilian Schenke, and Oliver Wallscheid. “Safe Reinforcement Learning-Based Control in Power Electronic Systems.” In 2023 International Conference on Future Energy Solutions (FES). IEEE, 2023. https://doi.org/10.1109/fes57669.2023.10182718.
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2023 | Journal Article | LibreCat-ID: 46784 | 
Wallscheid, Oliver, Sebastian Peitz, Jan Stenner, Daniel Weber, Septimus Boshoff, Marvin Meyer, Vikas Chidananda, and Oliver Schweins. “ElectricGrid.Jl - A Julia-Based Modeling and Simulationtool for Power Electronics-Driven Electric Energy Grids.” Journal of Open Source Software 8, no. 89 (2023). https://doi.org/10.21105/joss.05616.
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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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| DOI
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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| DOI
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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| DOI
2023 | Journal Article | LibreCat-ID: 49760
Jakobeit, Darius, Maximilian Schenke, and Oliver Wallscheid. “Meta-Reinforcement-Learning-Based Current Control of Permanent Magnet Synchronous Motor Drives for a Wide Range of Power Classes.” IEEE Transactions on Power Electronics 38, no. 7 (2023): 8062–74. https://doi.org/10.1109/tpel.2023.3256424.
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| DOI
2023 | Conference Paper | LibreCat-ID: 53310
Gedlu, Emebet Gebeyehu, Oliver Wallscheid, Joachim Böcker, and Oliver Nelles. “Online System Identification and Excitation for Thermal Monitoring of Electric Machines Using Machine Learning and Model Predictive Control.” In 2023 IEEE 14th International Symposium on Diagnostics for Electrical Machines, Power Electronics and Drives (SDEMPED). IEEE, 2023. https://doi.org/10.1109/sdemped54949.2023.10271427.
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2023 | Journal Article | LibreCat-ID: 53543
Winkel, Fabian, Peter Scholz, Oliver Wallscheid, and Joachim Böcker. “Reducing Contact Bouncing of a Relay by Optimizing the Switch Signal During Run-Time.” IEEE Transactions on Automation Science and Engineering, 2023, 1–11. https://doi.org/10.1109/tase.2023.3322762.
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2022 | Conference Abstract | LibreCat-ID: 30347
Schafmeister, Frank. “Compensation of LF Common-Mode Noise by the Internal DC/DC-Stage for Transformerless On-Board Chargers at Three- and Single-Phase Operation.” In International Conference on Electric & Electronic in Hybrid and Electric Vehicles and Electric Energy Management (EEHE),. Bamberg, Germany, n.d.
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2022 | Conference Paper | LibreCat-ID: 30349
Förster, Nikolas, Philipp Rehlaender, Oliver Wallscheid, Frank Schafmeister, and Joachim Böcker. “An Open-Source Transistor Database and Toolbox as an Unified Software Engineering Tool for Managing and Evaluating Power Transistors.” In Proc. 37th IEEE Applied Power Electronics Conference (APEC). Houston, TX, USA: IEEE, n.d.
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2022 | Conference Paper | LibreCat-ID: 30350
Keuck, Lukas, Frank Schafmeister, and Joachim Böcker. “Robust Hysteresis Control for LLC Resonant Converters Using a Fully Isolated Measurement Scheme.” In Proc. IEEE International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management (PCIM). Nuremberg, Germany: IEEE, n.d.
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2022 | Conference Paper | LibreCat-ID: 30844
Huber, Jonas, Peter Wallmeier, Ralf Pieper, Frank Schafmeister, and Johann Kolar. “Comparative Evaluation of MVAC-LVDC SST and Hybrid Transformer Concepts for Future Datacenters.” In Proc. 9th IEEJ International Power Electronics Conference (IPEC). Himeji, Japan: IEE Japan, n.d.
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2022 | Journal Article | LibreCat-ID: 34533
Brosch, Anian, Oliver Wallscheid, and Joachim Böcker. “Model Predictive Torque Control for Permanent Magnet Synchronous Motors Using a Stator-Fixed Harmonic Flux Reference Generator in the Entire Modulation Range.” IEEE Transactions on Power Electronics, 2022. https://doi.org/10.1109/tpel.2022.3229619.
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2022 | Conference Paper | LibreCat-ID: 32796
Böcker, Joachim. “Concept Study of an LLC Converter with Magnetically Resonant Inductor.” In 2022 International Symposium on Power Electronics, Electrical Drives, Automation and Motion (SPEEDAM). IEEE, 2022. https://doi.org/10.1109/speedam53979.2022.9842047.
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2022 | Journal Article | LibreCat-ID: 33459
Brosch, Anian, Oliver Wallscheid, and Joachim Böcker. “Long-Term Memory Recursive Least Squares Online Identification of Highly Utilized Permanent Magnet Synchronous Motors for Finite-Control-Set Model Predictive Control.” IEEE Transactions on Power Electronics, 2022. https://doi.org/10.1109/tpel.2022.3206598.
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2022 | Conference Paper | LibreCat-ID: 33489
Lange, Jarren, Dominik Schmies, Karl Stephan Christian Stille, Joachim Böcker, and Oliver Wallscheid. “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.” In EPE’22 ECCE Europe. Hannover: IEEE, 2022.
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2022 | Conference Paper | LibreCat-ID: 35125
Förster, Nikolas, Philipp Rehlaender, Oliver Wallscheid, Frank Schafmeister, and Joachim Böcker. “An Open-Source Transistor Database and Toolbox as a Unified Software Engineering Tool for Managing and Evaluating Power Transistors.” In 2022 IEEE Applied Power Electronics Conference and Exposition (APEC). IEEE, 2022. https://doi.org/10.1109/apec43599.2022.9773701.
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2022 | Conference Paper | LibreCat-ID: 35127
Förster, Nikolas, Till Piepenbrock, Philipp Rehlaender, Oliver Wallscheid, Frank Schafmeister, and Joachim Böcker. “An Open-Source FEM Magnetics Toolbox for Power Electronic Magnetic Components.” In PCIM Europe 2022; International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management, 1–10, 2022. https://doi.org/10.30420/565822103.
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2022 | Journal Article | LibreCat-ID: 34065
Kirchgässner, Wilhelm, Oliver Wallscheid, and Joachim Böcker. “Thermal Neural Networks: Lumped-Parameter Thermal Modeling with State-Space Machine Learning.” Engineering Applications of Artificial Intelligence 117 (2022). https://doi.org/10.1016/j.engappai.2022.105537.
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2022 | Conference Paper | LibreCat-ID: 32859
Kirchgässner, Wilhelm, Oliver Wallscheid, and Joachim Böcker. “Learning Thermal Properties and Temperature Models of Electric Motors with Neural Ordinary Differential Equations.” In 2022 International Power Electronics Conference (IPEC-Himeji 2022- ECCE Asia). IEEE, 2022. https://doi.org/10.23919/ipec-himeji2022-ecce53331.2022.9807209.
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2022 | Journal Article | LibreCat-ID: 44163
Rehlaender, Philipp, Oliver Wallscheid, Frank Schafmeister, and Joachim Böcker. “LLC Resonant Converter Modulations for Reduced Junction Temperatures in Half-Bridge Mode and Transformer Flux in the On-the-Fly Morphing Thereto.” IEEE Transactions on Power Electronics 37, no. 11 (2022): 13413–27. https://doi.org/10.1109/tpel.2022.3180758.
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2022 | Conference Paper | LibreCat-ID: 42894
Kirchgässner, Wilhelm, Daniel Wöckinger, Oliver Wallscheid, Gerd Bramerdorfer, and Joachim Böcker. “Application of Thermal Neural Networks on a Small-Scale Electric Motor.” In IKMT 2022; 13. GMM/ETG-Symposium, 1–6, 2022.
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2022 | Conference Paper | LibreCat-ID: 44164
Rehlaender, Philipp, Bastian Korthauer, Frank Schafmeister, and Joachim Böcker. “Experimental Demonstration of a 2.2kW Active-Clamp Converter for High-Current Wide-Voltage-Transfer Ratio Applications.” In 2022 24th European Conference on Power Electronics and Applications (EPE’22 ECCE Europe), P.1-P.11, 2022.
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2022 | Conference Paper | LibreCat-ID: 44161
Rehlaender, Philipp, Frank Schafmeister, and Joachim Böcker. “Phase-Shift Modulation for Flying-Capacitor DC-DC Converters.” In 2022 24th European Conference on Power Electronics and Applications (EPE’22 ECCE Europe), 1–9, 2022.
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2022 | Journal Article | LibreCat-ID: 31085
Brosch, Anian, Johann Rauhaus, Oliver Wallscheid, Joachim Böcker, and Detmar Zimmer. “Data-Driven Adaptive Torque Oscillation Compensation for Multi-Motor Drive Systems.” IEEE Open Journal of Industry Applications, 2022. https://doi.org/10.1109/ojia.2022.3171333.
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2022 | Dissertation | LibreCat-ID: 44230
Hagemeyer, Marc. Untersuchung und Entwicklung eines modularen speicherbasierten Schweißstromgenerators mit geringster Stromschwankungsbreite für das Widerstandsschweißen, 2022. https://doi.org/10.17619/UNIPB/1-1582.
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2022 | Conference Paper | LibreCat-ID: 34176
Unruh, Roland, Frank Schafmeister, and Joachim Böcker. “Zero-Sequence Voltage Reduces DC-Link Capacitor Demand in Cascaded H-Bridge Converters for Large-Scale Electrolyzers by 40%.” In 24th European Conference on Power Electronics and Applications (EPE’22 ECCE Europe). IEEE, 2022.
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2022 | Conference Paper | LibreCat-ID: 35126
Förster, Nikolas, Jonas Hölscher, Till Piepenbrock, Philipp Rehlaender, Oliver Wallscheid, Frank Schafmeister, and Joachim Böcker. “An Open-Source FEM Magnetic Toolbox for Calculating Electric and Thermal Behavior of Power Electronic Magnetic Components.” In 2022 24th European Conference on Power Electronics and Applications (EPE’22 ECCE Europe), P.1-P.9, 2022.
LibreCat
2021 | Book | LibreCat-ID: 29876
Schröder, Dierk, and Joachim Böcker. Elektrische Antriebe – Regelung von Antriebssystemen. 5th ed. Springer Nature, 2021. https://doi.org/10.1007/978-3-662-62700-6.
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2021 | Conference Paper | LibreCat-ID: 29849
Strothmann, Benjamin, Frank Schafmeister, and Joachim Böcker. “Common-Mode-Free Bidirectional Three-Phase PFC-Rectifier for Non-Isolated EV Charger.” In 2021 IEEE Applied Power Electronics Conference and Exposition (APEC). IEEE, 2021. https://doi.org/10.1109/apec42165.2021.9487462.
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2021 | Journal Article | LibreCat-ID: 29657
Brosch, Anian, Oliver Wallscheid, and Joachim Böcker. “Model Predictive Control of Permanent Magnet Synchronous Motors in the Overmodulation Region Including Six-Step Operation.” IEEE Open Journal of Industry Applications 2 (2021): 47–63. https://doi.org/10.1109/OJIA.2021.3066105.
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2021 | Conference Paper | LibreCat-ID: 29663
Gedlu, Emebet Gebeyehu, Oliver Wallscheid, and Joachim Böcker. “Temperature Estimation of Electric Machines Using a Hybrid Model of Feed-Forward Neural and Low-Order Lumped-Parameter Thermal Networks.” In 2021 IEEE International Electric Machines & Drives Conference (IEMDC), 1–8, 2021. https://doi.org/10.1109/IEMDC47953.2021.9449548.
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2021 | Journal Article | LibreCat-ID: 29892
Rehlaender, Philipp, Frank Schafmeister, and Joachim Böcker. “Interleaved Single-Stage LLC Converter Design Utilizing Half- and Full-Bridge Configurations for Wide Voltage Transfer Ratio Applications.” IEEE Transactions on Power Electronics 36, no. 9 (2021): 10065–80. https://doi.org/10.1109/tpel.2021.3067843.
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2021 | Conference Paper | LibreCat-ID: 29895
Korthauer, Bastian, Philipp Rehlaender, Frank Schafmeister, and Joachim Böcker. “Design and Analysis of a Regenerative Snubber for a 2.2 KW Active-Clamp Forward Converter with Low-Voltage Output.” In 2021 IEEE Applied Power Electronics Conference and Exposition (APEC). IEEE, 2021. https://doi.org/10.1109/apec42165.2021.9487130.
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2021 | Journal Article | LibreCat-ID: 22162
Book, Gerrit, Arne Traue, Praneeth Balakrishna, Anian Brosch, Maximilian Schenke, Sören Hanke, Wilhelm Kirchgässner, and Oliver Wallscheid. “Transferring Online Reinforcement Learning for Electric Motor Control From Simulation to Real-World Experiments.” IEEE Open Journal of Power Electronics, 2021, 187–201. https://doi.org/10.1109/ojpel.2021.3065877.
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2021 | Journal Article | LibreCat-ID: 29653
Weber, Daniel, Stefan Heid, Henrik Bode, Jarren Lange, Eyke Hüllermeier, and Oliver Wallscheid. “Safe Bayesian Optimization for Data-Driven Power Electronics Control Design in Microgrids: From Simulations to Real-World Experiments.” IEEE Access 9 (2021): 35654–35669. https://doi.org/10.1109/ACCESS.2021.3062144.
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2021 | Conference Paper | LibreCat-ID: 29850
Strothmann, Benjamin, Gerrit Book, Frank Schafmeister, and Joachim Böcker. “Single-Phase Operation of Common-Mode-Free Bidirectional Three-Phase PFC-Rectifier for Non-Isolated EV Charger with Minimized DC-Link.” In PCIM Europe Digital Days 2021; International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management, 1–8, 2021.
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2021 | Conference Paper | LibreCat-ID: 29871
Urbaneck, Daniel, Philipp Rehlaender, Joachim Böcker, and Frank Schafmeister. “LLC Converter in Capacitive Operation Utilizing ZCS for IGBTs – Theory, Concept and Verification of a 2 KW DC-DC Converter for EVs.” In 2021 IEEE Applied Power Electronics Conference and Exposition (APEC), 2021.
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2021 | Journal Article | LibreCat-ID: 30030
Stender, Marius, Oliver Wallscheid, and Joachim Böcker. “Accurate Torque Control for Induction Motors by Utilizing a Globally Optimized Flux Observer.” IEEE Transactions on Power Electronics 36, no. 11 (2021): 13261–74. https://doi.org/10.1109/tpel.2021.3080129.
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| DOI
2021 | Conference Paper | LibreCat-ID: 30031
Stender, Marius, Oliver Wallscheid, and Joachim Böcker. “Accurate Torque Estimation for Induction Motors by Utilizing a Hybrid Machine Learning Approach.” In 2021 IEEE 19th International Power Electronics and Motion Control Conference (PEMC). IEEE, 2021. https://doi.org/10.1109/pemc48073.2021.9432615.
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2021 | Conference Paper | LibreCat-ID: 30029
Stender, Marius, Oliver Wallscheid, and Joachim Böcker. “Combined Electrical-Thermal Gray-Box Model and Parameter Identification of an Induction Motor.” In IECON 2021 – 47th Annual Conference of the IEEE Industrial Electronics Society. IEEE, 2021. https://doi.org/10.1109/iecon48115.2021.9589225.
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| DOI
2021 | Conference Paper | LibreCat-ID: 30032
Stender, Marius, Oliver Wallscheid, and Joachim Böcker. “Gray-Box Loss Model for Induction Motor Drives.” In 2021 IEEE 19th International Power Electronics and Motion Control Conference (PEMC). IEEE, 2021. https://doi.org/10.1109/pemc48073.2021.9432491.
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| DOI
2021 | Conference Paper | LibreCat-ID: 29665
Hanke, Sören, Oliver Wallscheid, and Joachim Böcker. “Comparison of Artificial Neural Network and Least Squares Prediction Models for Finite-Control-Set Model Predictive Control of a Permanent Magnet Synchronous Motor.” IET Digital Library, 2021. https://doi.org/10.1049%2Ficp.2021.1122.
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2021 | Journal Article | LibreCat-ID: 29664
Wallscheid, Oliver. “Thermal Monitoring of Electric Motors: State-of-the-Art Review and Future Challenges.” IEEE Open Journal of Industry Applications, 2021.
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2021 | Journal Article | LibreCat-ID: 21251
Kirchgässner, Wilhelm, Oliver Wallscheid, and Joachim Böcker. “Data-Driven Permanent Magnet Temperature Estimation in Synchronous Motors with Supervised Machine Learning: A Benchmark.” IEEE Transactions on Energy Conversion 36, no. 3 (2021): 2059–67. https://doi.org/10.1109/tec.2021.3052546.
LibreCat
| DOI
2021 | Journal Article | LibreCat-ID: 21254
Balakrishna, Praneeth, Gerrit Book, Wilhelm Kirchgässner, Maximilian Schenke, Arne Traue, and Oliver Wallscheid. “Gym-Electric-Motor (GEM): A Python Toolbox for the Simulation of Electric Drive Systems.” Journal of Open Source Software, 2021. https://doi.org/10.21105/joss.02498.
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| DOI
2021 | Journal Article | LibreCat-ID: 25031
Schenke, Maximilian, and Oliver Wallscheid. “A Deep Q-Learning Direct Torque Controller for Permanent Magnet Synchronous Motors.” IEEE Open Journal of the Industrial Electronics Society, 2021, 388–400. https://doi.org/10.1109/ojies.2021.3075521.
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2021 | Journal Article | LibreCat-ID: 29662
Schenke, Maximilian, and Oliver Wallscheid. “Improved Exploring Starts by Kernel Density Estimation-Based State-Space Coverage Acceleration in Reinforcement Learning.” ArXiv Preprint ArXiv:2105.08990, 2021.
LibreCat
2021 | Journal Article | LibreCat-ID: 21557
Brosch, Anian, Oliver Wallscheid, and Joachim Böcker. “Torque and Inductances Estimation for Finite Model Predictive Control of Highly Utilized Permanent Magnet Synchronous Motors.” IEEE Transactions on Industrial Informatics, 2021. https://doi.org/10.1109/tii.2021.3060469.
LibreCat
| DOI
2021 | Conference Paper | LibreCat-ID: 30340
Hagemeyer, Marc, Peter Wallmeier, Frank Schafmeister, and Joachim Böcker. “Comparison of Unidirectional Three- and Four-Wire Based Boost PFC-Rectifier Topologies for Non-Isolated Three-Phase EV On-Board Chargers under Common-Mode Aspects.” In Proc. 36th IEEE Applied Power Electronics Conference (APEC), 569–76. Phoenix, AZ, USA: IEEE, 2021.
LibreCat
2021 | Newspaper Article | LibreCat-ID: 30348
Schafmeister, Frank. “Transformerless On-Board Chargers at Three- and Single-Phase Operation: Compensation of LF Common-Mode Noise by the Internal DC/DC-Stage.” Power System Design (PSD) Web Magazine, 2021.
LibreCat
2021 | Dissertation | LibreCat-ID: 30849
Henkenius, Carsten. Entwurf netzfreundlicher Synchrongleichrichter mit integriertem Synchronwandler, 2021. https://doi.org/10.17619/UNIPB/1-1109.
LibreCat
| DOI
2021 | Conference Paper | LibreCat-ID: 29938
Unruh, Roland, Jarren Lange, Frank Schafmeister, and Joachim Böcker. “Adaptive Zero-Sequence Voltage Injection for Modular Solid-State Transformer to Compensate for Asymmetrical Fault Conditions.” In 23rd European Conference on Power Electronics and Applications (EPE’21 ECCE Europe). IEEE, 2021. https://doi.org/10.23919/EPE21ECCEEurope50061.2021.9570542.
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2021 | Conference Paper | LibreCat-ID: 29899
Rehlaender, Philipp, Roland Unruh, Lars Hankeln, Frank Schafmeister, and Joachim Böcker. “Frequency-Doubler Modulation for Reduced Junction Temperatures for LLC Resonant Converters Operated in Half-Bridge Configuration.” In 23rd European Conference on Power Electronics and Applications (EPE’21 ECCE Europe). IEEE, 2021. https://doi.org/10.23919/EPE21ECCEEurope50061.2021.9570674.
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2021 | Preprint | LibreCat-ID: 29655
Kirchgässner, Wilhelm, Oliver Wallscheid, and Joachim Böcker. “Thermal Neural Networks: Lumped-Parameter Thermal Modeling With State-Space Machine Learning.” ArXiv Preprint ArXiv:2103.16323, 2021.
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2021 | Conference Paper | LibreCat-ID: 29893
Rehlaender, Philipp, Roland Unruh, Frank Schafmeister, and Joachim Böcker. “Alternating Asymmetrical Phase-Shift Modulation for Full-Bridge Converters with Balanced Switching Losses to Reduce Thermal Imbalances.” In 2021 IEEE Applied Power Electronics Conference and Exposition (APEC). IEEE, 2021. https://doi.org/10.1109/apec42165.2021.9487104.
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2021 | Conference Paper | LibreCat-ID: 22218
Krauter, Stefan, Joachim Böcker, Christine Freitag, Burkhard Hehenkamp, Ulrich Hilleringmann, Katrin Temmen, Tobias Klaus, Nicolaus Rohrer, and Sven Lehmann. “Projekt Art-D Grids: Nachhaltige und stabile Microgrids in Afrika - eine Plattform für Forschung und Lehre für die Entwicklung.” In Tagungsband des 36. PV-Symposiums, 18.-26 Mai 2021, 305–9. Pforzheim: Conexio, 2021.
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2020 | Journal Article | LibreCat-ID: 21252
Traue, Arne, Gerrit Book, Wilhelm Kirchgässner, and Oliver Wallscheid. “Toward a Reinforcement Learning Environment Toolbox for Intelligent Electric Motor Control.” IEEE Transactions on Neural Networks and Learning Systems, 2020, 1–10. https://doi.org/10.1109/tnnls.2020.3029573.
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2020 | Conference Paper | LibreCat-ID: 29884
Böcker, Joachim. “Analysis of the Magnetic Skin Effekt in Motors and Inductors.” In 2020 International Symposium on Power Electronics, Electrical Drives, Automation and Motion (SPEEDAM). IEEE, 2020. https://doi.org/10.1109/speedam48782.2020.9161895.
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2020 | Journal Article | LibreCat-ID: 21250
Kirchgässner, Wilhelm, Oliver Wallscheid, and Joachim Böcker. “Estimating Electric Motor Temperatures with Deep Residual Machine Learning.” IEEE Transactions on Power Electronics 36, no. 7 (2020): 7480–88. https://doi.org/10.1109/tpel.2020.3045596.
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| DOI
2020 | Conference Paper | LibreCat-ID: 29939
Unruh, Roland, Frank Schafmeister, and Joachim Böcker. “Evaluation of MMCs for High-Power Low-Voltage DC-Applications in Combination with the Module LLC-Design.” In 2020 22nd European Conference on Power Electronics and Applications (EPE’20 ECCE Europe). IEEE, 2020. https://doi.org/10.23919/epe20ecceeurope43536.2020.9215687.
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2020 | Conference Paper | LibreCat-ID: 29894
Rehlaender, Philipp, Sergey Tikhonov, Frank Schafmeister, and Joachim Böcker. “Dual Interleaved 3.6 KW LLC Converter Operating in Half-Bridge, Full-Bridge and Phase-Shift Mode as a Single-Stage Architecture of an Automotive On-Board DC-DC Converter.” In 2020 22nd European Conference on Power Electronics and Applications (EPE’20 ECCE Europe). IEEE, 2020. https://doi.org/10.23919/epe20ecceeurope43536.2020.9215736.
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| DOI
2020 | Journal Article | LibreCat-ID: 21558
Brosch, Anian, Sören Hanke, Oliver Wallscheid, and Joachim Böcker. “Data-Driven Recursive Least Squares Estimation for Model Predictive Current Control of Permanent Magnet Synchronous Motors.” IEEE Transactions on Power Electronics, 2020, 2179–90. https://doi.org/10.1109/tpel.2020.3006779.
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| DOI
2020 | Conference Paper | LibreCat-ID: 29956
Stille, Karl Stephan Christian, Daniel Weber, Jarren Lange, Thorsten Vogt, Oliver Wallscheid, and Joachim Böcker. “Emulation of Microgrids for Research and Validation of Control and Operation Strategies.” In 2020 International Symposium on Power Electronics, Electrical Drives, Automation and Motion (SPEEDAM). IEEE, 2020. https://doi.org/10.1109/speedam48782.2020.9161971.
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| DOI
2020 | Conference Paper | LibreCat-ID: 29896
Rehlaender, Philipp, Tobias Grote, Sergey Tikhonov, Schröder Mario, Frank Schafmeister, and Joachim Böcker. “A 3,6 KW Single-Stage LLC Converter Operating in Half-Bridge, Full-Bridge and Phase-Shift Mode for Automotive Onboard DC-DC Conversion.” In PCIM Europe Digital Days 2020, 2020.
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2020 | Conference Paper | LibreCat-ID: 29898
Rüschenbaum, Tobias, Philipp Rehlaender, Phuong Ha, Tobias Grote, Frank Schafmeister, and Joachim Böcker. “Two-Stage Automotive DC-DC Converter Design with Wide Voltage-Transfer Range Utilizing Asymmetric LLC Operation.” In PCIM Europe Digital Days 2020, 2020.
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2020 | Conference Paper | LibreCat-ID: 29874
Urbaneck, Daniel, Philipp Rehlaender, Frank Schafmeister, and Joachim Böcker. “LLC Converter Design in Capacitive Operation Utilizes ZCS for IGBTs – a Concept Study for a 2.2 KW Automotive DC-DC Stage.” In PCIM Europe Digital Days 2020, 2020.
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2020 | Journal Article | LibreCat-ID: 30033
Stender, Marius, Oliver Wallscheid, and Joachim Böcker. “Comparison of Gray-Box and Black-Box Two-Level Three-Phase Inverter Models for Electrical Drives.” IEEE Transactions on Industrial Electronics 68, no. 9 (2020): 8646–56. https://doi.org/10.1109/tie.2020.3018060.
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| DOI
2020 | Conference Paper | LibreCat-ID: 30036
Stender, Marius, Oliver Wallscheid, and Joachim Böcker. “Accurate Torque Estimation for Induction Motors by Utilizing Globally Optimized Flux Observers.” In 2020 International Symposium on Power Electronics, Electrical Drives, Automation and Motion (SPEEDAM). IEEE, 2020. https://doi.org/10.1109/speedam48782.2020.9161955.
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2020 | Journal Article | LibreCat-ID: 29649
Heid, Stefan, Daniel Weber, Henrik Bode, Eyke Hüllermeier, and Oliver Wallscheid. “OMG: A Scalable and Flexible Simulation and Testing Environment Toolbox for Intelligent Microgrid Control.” Journal of Open Source Software 5, no. 54 (2020): 2435.
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2020 | Journal Article | LibreCat-ID: 29644
Bode, Henrik, Stefan Heid, Daniel Weber, Eyke Hüllermeier, and Oliver Wallscheid. “Towards a Scalable and Flexible Simulation and Testing Environment Toolbox for Intelligent Microgrid Control.” ArXiv Preprint ArXiv:2005.04869, 2020.
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2020 | Conference Paper | LibreCat-ID: 29641
Gedlu, Emebet Gebeyehu, Oliver Wallscheid, and Joachim Böcker. “Permanent Magnet Synchronous Machine Temperature Estimation Using Low-Order Lumped-Parameter Thermal Network with Extended Iron Loss Model.” In The 10th International Conference on Power Electronics, Machines and Drives (PEMD 2020), 2020:937–942, 2020.
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2020 | Conference Paper | LibreCat-ID: 30339
Ahmmad, Mohsin Ejaz, Frank Schafmeister, and Joachim Böcker. “Practical Implementation and Verification of Simple-to-Implement Digital Current Observer for Half-Bridge Topologies.” In Proc. IEEE International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management (PCIM Digital Days). Nuremberg, Germany: IEEE, 2020.
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2020 | Patent | LibreCat-ID: 30362
Schafmeister, Frank. “Apparatus and Method for Charging an Electric Battery Vehicle,” 2020.
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2020 | Journal Article | LibreCat-ID: 29643
Wallscheid, Oliver, and Etienne Florian Bouna Ngoumtsa. “Investigation of Disturbance Observers for Model Predictive Current Control in Electric Drives.” IEEE Transactions on Power Electronics 35, no. 12 (2020): 13563–13572.
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2020 | Journal Article | LibreCat-ID: 29642
Hanke, Sören, Oliver Wallscheid, and Joachim Böcker. “Data Set Description: Identifying the Physics Behind an Electric Motor–Data-Driven Learning of the Electrical Behavior (Part II).” ArXiv Preprint ArXiv:2003.06268, 2020.
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2020 | Journal Article | LibreCat-ID: 29640
Kirchgässner, Wilhelm, Oliver Wallscheid, and Joachim Böcker. “Data-Driven Permanent Magnet Temperature Estimation in Synchronous Motors with Supervised Machine Learning.” ArXiv Preprint ArXiv:2001.06246, 2020.
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2020 | Dissertation | LibreCat-ID: 30853
Vogt, T. Multikriterielle Betriebsstrategien industrieller Microgrids, 2020. https://doi.org/10.17619/UNIPB/1-867.
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2020 | Report | LibreCat-ID: 30034
Stender, Marius, Oliver Wallscheid, and Joachim Böcker. Data Set Description: Three-Phase IGBT Two-Level Inverter for Electrical Drives, 2020. https://doi.org/10.13140/RG.2.2.23335.37280.
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2020 | Conference Paper | LibreCat-ID: 29880
Unruh, Roland, Frank Schafmeister, and Joachim Böcker. “11kW, 70kHz LLC Converter Design with Adaptive Input Voltage for 98% Efficiency in an MMC.” In 2020 IEEE 21st Workshop on Control and Modeling for Power Electronics (COMPEL). IEEE, 2020. https://doi.org/10.1109/compel49091.2020.9265771.
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2020 | Conference Paper | LibreCat-ID: 29940
Unruh, Roland, Frank Schafmeister, Norbert Fröhleke, and Joachim Böcker. “1-MW Full-Bridge MMC for High-Current Low-Voltage (100V-400V) DC-Applications.” In PCIM Europe Digital Days 2020; International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management. VDE, 2020.
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2020 | Conference Paper | LibreCat-ID: 30001
Strothmann, Benjamin, Till Piepenbrock, Frank Schafmeister, and Joachim Böcker. “Heat Dissipation Strategies for Silicon Carbide Power SMDs and Their Use in Different Applications.” In PCIM Europe Digital Days 2020; International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management, 1–7, 2020.
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2019 | Conference Paper | LibreCat-ID: 15247
Grabo, Matti, Daniel Weber, Andreas Paul, Tobias Klaus, Wolfgang Bermpohl, Stefan Krauter, and Eugeny Kenig. “Entwicklung eines thermischen 1D-Simulationsmodells zur Bestimmung der Temperaturverteilung in Solarmodulen,” 2019.
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2019 | Conference Abstract | LibreCat-ID: 15248
Grabo, Matti, Daniel Weber, Andreas Paul, Tobias Klaus, Wolfgang Bermpohl, and Eugeny Kenig. “Numerische Untersuchung der Temperaturverteilung in PCM-integrierten Solarmodulen,” 2019.
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2019 | Journal Article | LibreCat-ID: 25030
Schenke, Maximilian, Wilhelm Kirchgässner, and Oliver Wallscheid. “Controller Design for Electrical Drives by Deep Reinforcement Learning: A Proof of Concept.” IEEE Transactions on Industrial Informatics, 2019, 4650–58. https://doi.org/10.1109/tii.2019.2948387.
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| DOI
2019 | Conference Paper | LibreCat-ID: 29885
Joy, Meryl Teresa, and Joachim Böcker. “Speed Estimation in Induction Machines at All Speed Ranges Using Sensing Windings.” In 2018 IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES). IEEE, 2019. https://doi.org/10.1109/pedes.2018.8707494.
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| DOI
2019 | Conference Paper | LibreCat-ID: 21247
Kirchgässner, Wilhelm, Oliver Wallscheid, and Joachim Böcker. “Empirical Evaluation of Exponentially Weighted Moving Averages for Simple Linear Thermal Modeling of Permanent Magnet Synchronous Machines.” In 2019 IEEE 28th International Symposium on Industrial Electronics (ISIE), 2019. https://doi.org/10.1109/isie.2019.8781195.
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| DOI
2019 | Conference Paper | LibreCat-ID: 21249
Kirchgässner, Wilhelm, Oliver Wallscheid, and Joachim Böcker. “Deep Residual Convolutional and Recurrent Neural Networks for Temperature Estimation in Permanent Magnet Synchronous Motors.” In 2019 IEEE International Electric Machines & Drives Conference (IEMDC), 2019. https://doi.org/10.1109/iemdc.2019.8785109.
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2019 | Conference Paper | LibreCat-ID: 29999
Strothmann, Benjamin, Frank Schafmeister, and Joachim Böcker. “Common Mode Analysis of Non-Isolated Three-Phase EV-Charger for Bi-Directional Vehicle-to-Grid Operation.” In PCIM Europe 2019; International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management, 1–7, 2019.
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2019 | Conference Paper | LibreCat-ID: 16442
Rehlaender, Philipp, Tobias Grote, Frank Schafmeister, and Joachim Böcker. “Analytical Modeling and Design of an Active Clamp Forward Converter Applied as a Single-Stage On-Board DC-DC Converter for EVs.” In PCIM Europe 2019, 2019.
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2019 | Conference Paper | LibreCat-ID: 29942
Unruh, Roland, Frank Schafmeister, Norbert Fröhleke, and Joachim Böcker. “MMC-Topology for High-Current and Low-Voltage Applications with Minimal Number of Submodules, Reduced Switching and Capacitor Losses.” In PCIM Europe 2019; International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management. VDE, 2019.
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2019 | Conference Paper | LibreCat-ID: 30035
Stender, Marius, Oliver Wallscheid, and Joachim Böcker. “Development of a Black-Box Two-Level IGBT Three-Phase Inverter Compensation Scheme for Electrical Drives.” In 2019 IEEE 28th International Symposium on Industrial Electronics (ISIE). IEEE, 2019. https://doi.org/10.1109/isie.2019.8781543.
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| DOI
2019 | Conference Paper | LibreCat-ID: 29636
Hanke, Sören, Sebastian Peitz, Oliver Wallscheid, Joachim Böcker, and Michael Dellnitz. “Finite-Control-Set Model Predictive Control for a Permanent Magnet Synchronous Motor Application with Online Least Squares System Identification.” In 2019 IEEE International Symposium on Predictive Control of Electrical Drives and Power Electronics (PRECEDE), 1–6, 2019.
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