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517 Publications
2019 | Conference Paper | LibreCat-ID: 21249
W. Kirchgässner, O. Wallscheid, and J. Böcker, “Deep Residual Convolutional and Recurrent Neural Networks for Temperature Estimation in Permanent Magnet Synchronous Motors,” 2019, doi: 10.1109/iemdc.2019.8785109.
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2019 | Conference Paper | LibreCat-ID: 29999
B. Strothmann, F. Schafmeister, and J. 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, 2019, pp. 1–7.
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2019 | Conference Paper | LibreCat-ID: 16442
P. Rehlaender, T. Grote, F. Schafmeister, and J. Böcker, “Analytical Modeling and Design of an Active Clamp Forward Converter Applied as a Single-Stage On-Board DC-DC Converter for EVs,” presented at the PCIM Europe 2019, Nürnberg, 2019.
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2019 | Conference Paper | LibreCat-ID: 29942
R. Unruh, F. Schafmeister, N. Fröhleke, and J. Böcker, “MMC-Topology for High-Current and Low-Voltage Applications with Minimal Number of Submodules, Reduced Switching and Capacitor Losses,” presented at the PCIM Europe 2019, Nuremberg, Germany, 2019.
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2019 | Conference Paper | LibreCat-ID: 30035
M. Stender, O. Wallscheid, and J. Böcker, “Development of a Black-Box Two-Level IGBT Three-Phase Inverter Compensation Scheme for Electrical Drives,” 2019, doi: 10.1109/isie.2019.8781543.
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2019 | Conference Paper | LibreCat-ID: 29636
S. Hanke, S. Peitz, O. Wallscheid, J. Böcker, and M. 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), 2019, pp. 1–6.
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2019 | Conference Paper | LibreCat-ID: 29634
O. Wallscheid, M. S. Shafiq, and J. Böcker, “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, pp. 402–407.
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2019 | Conference Paper | LibreCat-ID: 29633
O. Wallscheid, E. F. B. Ngoumtsa, and J. Böcker, “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, pp. 2188–2195.
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2019 | Conference Paper | LibreCat-ID: 29637
S. Hanke, O. Wallscheid, and J. Böcker, “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, pp. 2210–2216.
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2019 | Journal Article | LibreCat-ID: 29629
D. E. E. Gaona, O. Wallscheid, and J. Böcker, “Improved Fusion of Permanent Magnet Temperature Estimation Techniques for Synchronous Motors Using a Kalman Filter,” IEEE Transactions on Industrial Electronics, 2019.
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2019 | Conference Paper | LibreCat-ID: 30334
L. Keuck, F. Schafmeister, and J. Böcker, “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), Anaheim, CA, USA, 2019, pp. 1415–1422.
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2019 | Conference Paper | LibreCat-ID: 30335
L. Keuck, F. Schafmeister, J. Böcker, H. Jungwirth, and M. Schmidhuber, “Computer-Aided Design and Optimization of an Integrated Transformer with Distributed Air Gap and Leakage Path for LLC Resonant Converter,” presented at the IEEE International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management (PCIM 19), Nuremberg, Germany, 2019.
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2019 | Conference Paper | LibreCat-ID: 30337
M. E. Ahmad, F. Schafmeister, and J. Böcker, “Novel Current Measurement Concept for Half Bridge Topologies based on simple-to-implement Digital Current Observer,” presented at the IEEE International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management (PCIM 19), Nuremberg, Germany, 2019.
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2019 | Conference Paper | LibreCat-ID: 30336
S. Bolte, F. Schafmeister, and J. Böcker, “LCC Resonant Converter for Piezoelectric Transducers with Phase Shift Control,” presented at the IEEE International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management (PCIM 19), Nuremberg, Germany, 2019.
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2019 | Conference Paper | LibreCat-ID: 30338
S. Bolte, F. Schafmeister, and J. Böcker, “Bidirectional Resonant Converter with Integrated Magnetics for On-Board Chargers,” in Proc. IEEE International Symposium on Industrial Electronics (ISIE), Vancouver, Canada, 2019, pp. 770–774.
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2019 | Conference Paper | LibreCat-ID: 30344
P. Rehlaender, T. Grote, F. Schafmeister, and J. Böcker, “Interleaved Active Clamp Forward Converters as Single Stage On-Board DC-DC Converters for EVs – an Accurate Model and Design Considerations,” presented at the IEEE International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management (PCIM 19), Nuremberg, Germany, 2019.
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2019 | Conference Paper | LibreCat-ID: 30346
P. Rehlaender et al., “A PCB-Integrated Winding Using a Litz Structure for a Wireless Charging Coil,” in Proc. 21st European Conference on Power Electronics and Applications (EPE-ECCE Europe), Genova, Italy, 2019, pp. 1–9.
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2019 | Conference Paper | LibreCat-ID: 30345
P. Rehlaender, T. Grote, F. Schafmeister, and J. Böcker, “Analytical Topology Comparison for a Single-Stage On-Board EV-Battery Converter,” in Proc. IEEE International Symposium on Industrial Electronics (ISIE), Vancouver, Canada, 2019, pp. 2477–2482.
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2019 | Patent | LibreCat-ID: 30361
R. Pohlmann and F. Schafmeister, “Current measurement circuit for TCM-PFC.” 2019.
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2019 | Dissertation | LibreCat-ID: 29903
K. Peter, Untersuchung des Verlustverhaltens eines geregelten und mit optimierten Pulsmustern gespeisten Hochgeschwindigkeits-Antriebssystems, vol. 9. Paderborn: Shaker Verlag, 2019.
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2019 | Dissertation | LibreCat-ID: 30855
T. Pape, Ein Beitrag zur Regelung von Permanentmagnet-Synchronmotoren in Statorflusskoordinaten ohne Rotorlagesensor. 2019.
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2019 | Journal Article | LibreCat-ID: 21519
M. Grabo et al., “Numerical Investigation of the Temperature Distribution in PCM-integrated Solar Modules,” CHEMICAL ENGINEERING TRANSACTIONS, vol. 76, pp. 895–900, 2019, doi: 10.3303/CET1976150.
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2019 | Conference Paper | LibreCat-ID: 21521
M. Grabo, D. Weber, A. Paul, T. Klaus, W. Bermpohl, and E. Kenig, “Numerische Untersuchung der Temperaturverteilung in PCM-integrierten Solarmodulen,” presented at the Jahrestreffen der ProcessNet-Fachgruppe Energieverfahrenstechnik und des Arbeitsausschusses Thermische Energiespeicherung, Frankfurt am Main, 2019.
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2019 | Conference Paper | LibreCat-ID: 21520
M. Grabo et al., “Entwicklung eines thermischen 1D-Simulationsmodells zur Bestimmung der Temperaturverteilung in Solarmodulen,” presented at the 2. Regenerative Energietechnik Konferenz (RET.Con 2019), Nordhausen, 2019.
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2019 | Journal Article | LibreCat-ID: 15250
M. Grabo et al., “Numerical Investigation of the Temperature Distribution in PCM-integrated Solar Modules,” Chemical Engineering Transactions, pp. 895–900, 2019, doi: 10.3303/CET1976150.
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2018 | Conference Paper | LibreCat-ID: 29888
O. Buchholz and J. Böcker, “Online-Identification of the Machine Parameters of an Induction Motor Drive,” presented at the International Symposium on Industrial Electronics (ISIE), Cairns, QLD, Australia, 2018, doi: 10.1109/isie.2018.8433852.
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2018 | Conference Paper | LibreCat-ID: 29912
O. Buchholz and J. Böcker, “Gopinath-observer for flux estimation of an induction machine drive system,” presented at the 2017 IEEE Southern Power Electronics Conference (SPEC), Puerto Varas, Chile, 2018, doi: 10.1109/spec.2017.8333614.
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2018 | Conference Paper | LibreCat-ID: 29911
T. Vogt, J. Badeda, J. Böcker, and D. U. Sauer, “Consideration on primary control reserve provision by industrial microgrids in grid-coupled operation,” Honolulu, HI, USA , 2018, doi: 10.1109/peds.2017.8289189.
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2018 | Conference Paper | LibreCat-ID: 29905
M. T. Joy and J. Böcker, “Sensorless Control of Induction Motor Drives Using Additional Windings on the Stator,” presented at the International Symposium on Sensorless Control for Electrical Drives (SLED), Helsinki, Finland , 2018, doi: 10.1109/sled.2018.8486038.
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2018 | Conference Paper | LibreCat-ID: 29908
S. Bolte, N. Fröhleke, and J. Böcker, “GaN Buck Converter in CCM with Optimized High Frequency Inductors,” in PCIM Europe 2018; International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management, Nuremberg, Germany, 2018, pp. 1–6.
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2018 | Conference Paper | LibreCat-ID: 29943
D. Weber, K. S. C. Stille, O. Wallscheid, and J. Böcker, “Energy Management for a Nano-CHP Unit and an Electrical Storage System in a Residential Application,” 2018, doi: 10.1109/speedam.2018.8445296.
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2018 | Conference Paper | LibreCat-ID: 29628
O. Wallscheid, M. Schenke, and J. Böcker, “Improving torque and speed estimation accuracy by conjoint parameter identification and unscented Kalman filter design for induction machines,” in 2018 21st International Conference on Electrical Machines and Systems (ICEMS), 2018, pp. 1181–1186.
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2018 | Conference Paper | LibreCat-ID: 29625
O. Wallscheid, M. Schenke, and J. Böcker, “A combined approach to identify induction machine parameters and to design an extended kalman filter for speed and torque estimation,” in 2018 IEEE 18th International Power Electronics and Motion Control Conference (PEMC), 2018, pp. 793–799.
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2018 | Conference Paper | LibreCat-ID: 29957
O. Buchholz, J. Böcker, and J. Bonifacio, “Online-Identification of the Induction Machine Parameters Using the Extended Kalman Filter,” presented at the International Conference on Electrical Machines (ICEM), Alexandroupoli, Greece, 2018, doi: 10.1109/icelmach.2018.8506739.
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2018 | Conference Paper | LibreCat-ID: 29887
M. T. Joy and J. Böcker, “Speed Estimation in Induction Motors Using Additional Windings,” in 2018 20th European Conference on Power Electronics and Applications (EPE’18 ECCE Europe), Riga, Lettland, 2018, p. P.1-P.10.
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2018 | Conference Paper | LibreCat-ID: 30331
L. Keuck, A. Munir, F. Schafmeister, and J. Böcker, “Adaptive Frequency Control of DC-DC-Converters for Maximum Efficiency Using Artificial Neural Network,” presented at the IEEE International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management (PCIM 18), Nuremberg, Germany, 2018.
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2018 | Conference Paper | LibreCat-ID: 30332
L. Keuck, N. Jabbar, F. Schafmeister, and J. Böcker, “Switching Loss Characterization of Wide Band-Gap Devices by an Indirect Identification Methodology,” in Proc. 20th European Conference on Power Electronics and Applications (EPE-ECCE Europe), Riga, Latvia, 2018, pp. 1–10.
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2018 | Conference Paper | LibreCat-ID: 30333
M. Hagemeyer, F. Schafmeister, and J. Böcker, “Coupled Inductor Design for Interleaved High-Current DC-DC Converters,” in Proc. International Conference on Electrical Machines and Systems (ICEMS), Jeju, South-Korea, 2018, pp. 2316–2321.
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2018 | Journal Article | LibreCat-ID: 29624
S. Hanke, S. Peitz, O. Wallscheid, S. Klus, J. Böcker, and M. Dellnitz, “Koopman Operator-Based Finite-Control-Set Model Predictive Control for Electrical Drives,” arXiv preprint arXiv:1804.00854, 2018.
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2018 | Conference Paper | LibreCat-ID: 30631
M. Hagemeyer, N. Fröhleke, J. Böcker, B. Rödder, L. Aßmann, and B. Völkel, “Design of a flywheel energy storage system for high current pulsating loads,” 2018, doi: 10.1109/peds.2017.8289157.
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2018 | Dissertation | LibreCat-ID: 30636
C. Masjosthusmann, Ein neuartiger Ansatz der robusten Regelung für das Lastmanagement in batteriebetriebenen Elektrofahrzeugen. 2018.
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2018 | Conference Paper | LibreCat-ID: 30632
T. Vogt, J. Badeda, J. Böcker, and D. U. Sauer, “Consideration on primary control reserve provision by industrial microgrids in grid-coupled operation,” 2018, doi: 10.1109/peds.2017.8289189.
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2018 | Conference Paper | LibreCat-ID: 6523
D. Weber et al., “Lifetime Extension of Photovoltaic Modules by Influencing the Module Temperature Using Phase Change Material,” presented at the World Conference on Photovoltaic Energy Conversion (WCPEC-7), 45th IEEE PVSC, 28th PVSEC, 34th EU PVSEC, Waikoloa Village, Big Island, Hawaii (USA), 2018, doi: 10.1109/PVSC.2018.8548115.
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2017 | Conference Paper | LibreCat-ID: 29889
K. Peter, F. Mink, and J. Böcker, “Model-based control structure for high-speed permanent magnet synchronous drives,” presented at the International Electric Machines and Drives Conference (IEMDC), Miami, FL, USA, 2017, doi: 10.1109/iemdc.2017.8002284.
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2017 | Conference Paper | LibreCat-ID: 21248
O. Wallscheid, W. Kirchgässner, and J. Böcker, “Investigation of long short-term memory networks to temperature prediction for permanent magnet synchronous motors,” 2017, doi: 10.1109/ijcnn.2017.7966088.
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