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511 Publications
2021 | Conference Paper | LibreCat-ID: 29899
Rehlaender P, Unruh R, Hankeln L, Schafmeister F, Böcker J. 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. doi:10.23919/EPE21ECCEEurope50061.2021.9570674
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2021 | Preprint | LibreCat-ID: 29655
Kirchgässner W, Wallscheid O, Böcker J. Thermal Neural Networks: Lumped-Parameter Thermal Modeling With State-Space Machine Learning. arXiv preprint arXiv:210316323. Published online 2021.
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2021 | Conference Paper | LibreCat-ID: 29893
Rehlaender P, Unruh R, Schafmeister F, Böcker J. 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. doi:10.1109/apec42165.2021.9487104
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2021 | Conference Paper | LibreCat-ID: 22218
Krauter S, Böcker J, Freitag C, et al. 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. Conexio; 2021:305-309.
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2020 | Journal Article | LibreCat-ID: 21252
Traue A, Book G, Kirchgässner W, Wallscheid O. Toward a Reinforcement Learning Environment Toolbox for Intelligent Electric Motor Control. IEEE Transactions on Neural Networks and Learning Systems. Published online 2020:1-10. doi:10.1109/tnnls.2020.3029573
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2020 | Conference Paper | LibreCat-ID: 29884
Böcker J. 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. doi:10.1109/speedam48782.2020.9161895
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2020 | Journal Article | LibreCat-ID: 21250
Kirchgässner W, Wallscheid O, Böcker J. Estimating Electric Motor Temperatures with Deep Residual Machine Learning. IEEE Transactions on Power Electronics. 2020;36(7):7480-7488. doi:10.1109/tpel.2020.3045596
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2020 | Conference Paper | LibreCat-ID: 29939
Unruh R, Schafmeister F, Böcker J. 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. doi:10.23919/epe20ecceeurope43536.2020.9215687
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2020 | Conference Paper | LibreCat-ID: 29894
Rehlaender P, Tikhonov S, Schafmeister F, Böcker J. 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. doi:10.23919/epe20ecceeurope43536.2020.9215736
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2020 | Journal Article | LibreCat-ID: 21558
Brosch A, Hanke S, Wallscheid O, Böcker J. Data-Driven Recursive Least Squares Estimation for Model Predictive Current Control of Permanent Magnet Synchronous Motors. IEEE Transactions on Power Electronics. Published online 2020:2179-2190. doi:10.1109/tpel.2020.3006779
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2020 | Conference Paper | LibreCat-ID: 29956
Stille KSC, Weber D, Lange J, Vogt T, Wallscheid O, Böcker J. 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. doi:10.1109/speedam48782.2020.9161971
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2020 | Conference Paper | LibreCat-ID: 29896
Rehlaender P, Grote T, Tikhonov S, Mario S, Schafmeister F, Böcker J. 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 T, Rehlaender P, Ha P, Grote T, Schafmeister F, Böcker J. 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 D, Rehlaender P, Schafmeister F, Böcker J. 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 M, Wallscheid O, Böcker J. Comparison of Gray-Box and Black-Box Two-Level Three-Phase Inverter Models for Electrical Drives. IEEE Transactions on Industrial Electronics. 2020;68(9):8646-8656. doi:10.1109/tie.2020.3018060
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2020 | Conference Paper | LibreCat-ID: 30036
Stender M, Wallscheid O, Böcker J. 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. doi:10.1109/speedam48782.2020.9161955
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2020 | Journal Article | LibreCat-ID: 29649
Heid S, Weber D, Bode H, Hüllermeier E, Wallscheid O. OMG: A scalable and flexible simulation and testing environment toolbox for intelligent microgrid control. Journal of Open Source Software. 2020;5(54):2435.
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2020 | Journal Article | LibreCat-ID: 29644
Bode H, Heid S, Weber D, Hüllermeier E, Wallscheid O. Towards a scalable and flexible simulation and testing environment toolbox for intelligent microgrid control. arXiv preprint arXiv:200504869. Published online 2020.
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2020 | Conference Paper | LibreCat-ID: 29641
Gedlu EG, Wallscheid O, Böcker J. 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). Vol 2020. ; 2020:937–942.
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2020 | Conference Paper | LibreCat-ID: 30339
Ahmmad ME, Schafmeister F, Böcker J. 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). IEEE; 2020.
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2020 | Patent | LibreCat-ID: 30362
Schafmeister F. Apparatus and method for charging an electric battery vehicle. Published online 2020.
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2020 | Journal Article | LibreCat-ID: 29643
Wallscheid O, Ngoumtsa EFB. Investigation of disturbance observers for model predictive current control in electric drives. IEEE Transactions on Power Electronics. 2020;35(12):13563–13572.
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2020 | Journal Article | LibreCat-ID: 29642
Hanke S, Wallscheid O, Böcker J. Data Set Description: Identifying the Physics Behind an Electric Motor–Data-Driven Learning of the Electrical Behavior (Part II). arXiv preprint arXiv:200306268. Published online 2020.
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2020 | Journal Article | LibreCat-ID: 29640
Kirchgässner W, Wallscheid O, Böcker J. Data-Driven Permanent Magnet Temperature Estimation in Synchronous Motors with Supervised Machine Learning. arXiv preprint arXiv:200106246. Published online 2020.
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2020 | Dissertation | LibreCat-ID: 30853
Vogt T. Multikriterielle Betriebsstrategien industrieller Microgrids.; 2020. doi:10.17619/UNIPB/1-867
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2020 | Report | LibreCat-ID: 30034
Stender M, Wallscheid O, Böcker J. Data Set Description: Three-Phase IGBT Two-Level Inverter for Electrical Drives.; 2020. doi:10.13140/RG.2.2.23335.37280
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2020 | Conference Paper | LibreCat-ID: 29880
Unruh R, Schafmeister F, Böcker J. 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. doi:10.1109/compel49091.2020.9265771
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2020 | Conference Paper | LibreCat-ID: 29940
Unruh R, Schafmeister F, Fröhleke N, Böcker J. 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 B, Piepenbrock T, Schafmeister F, Böcker J. 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. ; 2020:1-7.
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2019 | Conference Paper | LibreCat-ID: 15247
Grabo M, Weber D, Paul A, et al. Entwicklung eines thermischen 1D-Simulationsmodells zur Bestimmung der Temperaturverteilung in Solarmodulen. In: ; 2019.
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2019 | Conference Abstract | LibreCat-ID: 15248
Grabo M, Weber D, Paul A, Klaus T, Bermpohl W, Kenig E. Numerische Untersuchung der Temperaturverteilung in PCM-integrierten Solarmodulen. In: ; 2019.
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2019 | Journal Article | LibreCat-ID: 25030
Schenke M, Kirchgässner W, Wallscheid O. Controller Design for Electrical Drives by Deep Reinforcement Learning: A Proof of Concept. IEEE Transactions on Industrial Informatics. Published online 2019:4650-4658. doi:10.1109/tii.2019.2948387
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2019 | Conference Paper | LibreCat-ID: 29885
Joy MT, Böcker J. 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. doi:10.1109/pedes.2018.8707494
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2019 | Conference Paper | LibreCat-ID: 21247
Kirchgässner W, Wallscheid O, Böcker J. 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. doi:10.1109/isie.2019.8781195
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2019 | Conference Paper | LibreCat-ID: 21249
Kirchgässner W, Wallscheid O, Böcker J. 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. doi:10.1109/iemdc.2019.8785109
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2019 | Conference Paper | LibreCat-ID: 29999
Strothmann B, Schafmeister F, Böcker J. 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. ; 2019:1-7.
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2019 | Conference Paper | LibreCat-ID: 16442
Rehlaender P, Grote T, Schafmeister F, Böcker J. 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 R, Schafmeister F, Fröhleke N, Böcker J. 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 M, Wallscheid O, Böcker J. 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. doi:10.1109/isie.2019.8781543
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2019 | Conference Paper | LibreCat-ID: 29636
Hanke S, Peitz S, Wallscheid O, Böcker J, Dellnitz M. 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). ; 2019:1–6.
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2019 | Conference Paper | LibreCat-ID: 29634
Wallscheid O, Shafiq MS, Böcker J. Stator flux-based field-oriented position-sensorless control of permanent magnet synchronous motors with limited parameter knowledge. In: 2019 IEEE 28th International Symposium on Industrial Electronics (ISIE). ; 2019:402–407.
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2019 | Conference Paper | LibreCat-ID: 29633
Wallscheid O, Ngoumtsa EFB, Böcker J. Hierarchical model predictive speed and current control of an induction machine drive with moving-horizon load torque estimator. In: 2019 IEEE International Electric Machines & Drives Conference (IEMDC). ; 2019:2188–2195.
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2019 | Conference Paper | LibreCat-ID: 29637
Hanke S, Wallscheid O, Böcker J. Continuous-control-set model predictive control with integrated modulator in permanent magnet synchronous motor applications. In: 2019 IEEE International Electric Machines & Drives Conference (IEMDC). ; 2019:2210–2216.
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2019 | Journal Article | LibreCat-ID: 29629
Gaona DEE, Wallscheid O, Böcker J. Improved Fusion of Permanent Magnet Temperature Estimation Techniques for Synchronous Motors Using a Kalman Filter. IEEE Transactions on Industrial Electronics. Published online 2019.
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2019 | Conference Paper | LibreCat-ID: 30334
Keuck L, Schafmeister F, Böcker J. Computer-Aided Design and Optimization of an Integrated Transformer with Distributed Air Gap and Leakage Path for an LLC Resonant Converter. In: Proc. 34th IEEE Applied Power Electronics Conference (APEC). IEEE; 2019:1415-1422.
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2019 | Conference Paper | LibreCat-ID: 30335
Keuck L, Schafmeister F, Böcker J, Jungwirth H, Schmidhuber M. Computer-Aided Design and Optimization of an Integrated Transformer with Distributed Air Gap and Leakage Path for LLC Resonant Converter. In: Proc. IEEE International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management (PCIM). IEEE; 2019.
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2019 | Conference Paper | LibreCat-ID: 30337
Ahmad ME, Schafmeister F, Böcker J. Novel Current Measurement Concept for Half Bridge Topologies based on simple-to-implement Digital Current Observer. In: Proc. IEEE International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management (PCIM). IEEE; 2019.
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2019 | Conference Paper | LibreCat-ID: 30336
Bolte S, Schafmeister F, Böcker J. LCC Resonant Converter for Piezoelectric Transducers with Phase Shift Control. In: Proc. IEEE International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management (PCIM). IEEE; 2019.
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2019 | Conference Paper | LibreCat-ID: 30338
Bolte S, Schafmeister F, Böcker J. Bidirectional Resonant Converter with Integrated Magnetics for On-Board Chargers. In: Proc. IEEE International Symposium on Industrial Electronics (ISIE). IEEE; 2019:770-774.
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2019 | Conference Paper | LibreCat-ID: 30344
Rehlaender P, Grote T, Schafmeister F, Böcker J. Interleaved Active Clamp Forward Converters as Single Stage On-Board DC-DC Converters for EVs – an Accurate Model and Design Considerations. In: Proc. IEEE International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management (PCIM). IEEE; 2019.
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