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307 Publications
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.
LibreCat
| DOI
2023 | Journal Article | LibreCat-ID: 43456
A. Brosch, O. Wallscheid, and J. Böcker, “Time-Optimal Model Predictive Control of Permanent Magnet Synchronous Motors Considering Current and Torque Constraints,” IEEE Transactions on Power Electronics, pp. 1–14, 2023, doi: 10.1109/tpel.2023.3265705.
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| DOI
2023 | Journal Article | LibreCat-ID: 46147
A. Brosch, F. Tinazzi, O. Wallscheid, M. Zigliotto, and J. 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, doi: 10.1109/tpel.2023.3294557.
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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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2023 | Conference Paper | LibreCat-ID: 53310
E. G. Gedlu, O. Wallscheid, J. Böcker, and O. Nelles, “Online system identification and excitation for thermal monitoring of electric machines using machine learning and model predictive control,” 2023, doi: 10.1109/sdemped54949.2023.10271427.
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2023 | Journal Article | LibreCat-ID: 53543
F. Winkel, P. Scholz, O. Wallscheid, and J. Böcker, “Reducing Contact Bouncing of a Relay by Optimizing the Switch Signal During Run-Time,” IEEE Transactions on Automation Science and Engineering, pp. 1–11, 2023, doi: 10.1109/tase.2023.3322762.
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2022 | Conference Paper | LibreCat-ID: 30349
N. Förster, P. Rehlaender, O. Wallscheid, F. Schafmeister, and J. Böcker, “An Open-Source Transistor Database and Toolbox as an Unified Software Engineering Tool for Managing and Evaluating Power Transistors,” presented at the 37th IEEE Applied Power Electronics Conference (APEC 22), Houston, TX, USA.
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2022 | Conference Paper | LibreCat-ID: 30350
L. Keuck, F. Schafmeister, and J. Böcker, “Robust Hysteresis Control for LLC Resonant Converters Using a Fully Isolated Measurement Scheme,” presented at the IEEE International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management (PCIM 22), Nuremberg, Germany.
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2022 | Journal Article | LibreCat-ID: 34533
A. Brosch, O. Wallscheid, and J. 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, doi: 10.1109/tpel.2022.3229619.
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2022 | Conference Paper | LibreCat-ID: 32796
J. Böcker, “Concept Study of an LLC Converter with Magnetically Resonant Inductor,” presented at the SPEEDAM, Sorrento, Italy, 2022, doi: 10.1109/speedam53979.2022.9842047.
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| DOI
2022 | Journal Article | LibreCat-ID: 33459
A. Brosch, O. Wallscheid, and J. 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, doi: 10.1109/tpel.2022.3206598.
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| DOI
2022 | Conference Paper | LibreCat-ID: 33489
J. Lange, D. Schmies, K. S. C. Stille, J. Böcker, and O. 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,” presented at the EPE’22 ECCE Europe, Hannover, 2022.
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2022 | Conference Paper | LibreCat-ID: 34299
M. Stender, M. Becker, O. Wallscheid, and J. Böcker, “Adaptive Operating Strategy for Induction Motors Under Changing Electrical-Thermal Conditions,” presented at the 48th Annual Conference of the Industrial Electronics Society IECON 2022 Conference, Brüssel, 2022, doi: 10.1109/IECON49645.2022.9968695.
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2022 | Conference Paper | LibreCat-ID: 35125
N. Förster, P. Rehlaender, O. Wallscheid, F. Schafmeister, and J. Böcker, “An Open-Source Transistor Database and Toolbox as a Unified Software Engineering Tool for Managing and Evaluating Power Transistors,” 2022, doi: 10.1109/apec43599.2022.9773701.
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| DOI
2022 | Conference Paper | LibreCat-ID: 35127
N. Förster, T. Piepenbrock, P. Rehlaender, O. Wallscheid, F. Schafmeister, and J. 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, 2022, pp. 1–10, doi: 10.30420/565822103.
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2022 | Journal Article | LibreCat-ID: 34065
W. Kirchgässner, O. Wallscheid, and J. Böcker, “Thermal neural networks: Lumped-parameter thermal modeling with state-space machine learning,” Engineering Applications of Artificial Intelligence, vol. 117, Art. no. 105537, 2022, doi: 10.1016/j.engappai.2022.105537.
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2022 | Conference Paper | LibreCat-ID: 32859
W. Kirchgässner, O. Wallscheid, and J. Böcker, “Learning Thermal Properties and Temperature Models of Electric Motors with Neural Ordinary Differential Equations,” 2022, doi: 10.23919/ipec-himeji2022-ecce53331.2022.9807209.
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| DOI
2022 | Journal Article | LibreCat-ID: 44163
P. Rehlaender, O. Wallscheid, F. Schafmeister, and J. 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, vol. 37, no. 11, pp. 13413–13427, 2022, doi: 10.1109/tpel.2022.3180758.
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| DOI
2022 | Conference Paper | LibreCat-ID: 42894
W. Kirchgässner, D. Wöckinger, O. Wallscheid, G. Bramerdorfer, and J. Böcker, “Application of Thermal Neural Networks on a Small-Scale Electric Motor,” in IKMT 2022; 13. GMM/ETG-Symposium, 2022, pp. 1–6.
LibreCat
2022 | Conference Paper | LibreCat-ID: 44164
P. Rehlaender, B. Korthauer, F. Schafmeister, and J. 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), Hannover, Germany, 2022, p. P.1-P.11.
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2022 | Conference Paper | LibreCat-ID: 44161
P. Rehlaender, F. Schafmeister, and J. Böcker, “Phase-Shift Modulation for Flying-Capacitor DC-DC Converters,” in 2022 24th European Conference on Power Electronics and Applications (EPE’22 ECCE Europe), Hannover, Germany, 2022, pp. 1–9.
LibreCat
2022 | Journal Article | LibreCat-ID: 31085
A. Brosch, J. Rauhaus, O. Wallscheid, J. Böcker, and D. Zimmer, “Data-Driven Adaptive Torque Oscillation Compensation for Multi-Motor Drive Systems,” IEEE Open Journal of Industry Applications, 2022, doi: 10.1109/ojia.2022.3171333.
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| DOI
2022 | Conference Paper | LibreCat-ID: 34176
R. Unruh, F. Schafmeister, and J. Böcker, “Zero-Sequence Voltage Reduces DC-Link Capacitor Demand in Cascaded H-Bridge Converters for Large-Scale Electrolyzers by 40%,” presented at the 24th European Conference on Power Electronics and Applications (EPE’22 ECCE Europe), Hanover, Germany, 2022.
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2022 | Conference Paper | LibreCat-ID: 35126
N. Förster et al., “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), 2022, p. P.1-P.9.
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2021 | Book | LibreCat-ID: 29876
D. Schröder and J. Böcker, Elektrische Antriebe – Regelung von Antriebssystemen, 5th ed. Springer Nature, 2021.
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2021 | Conference Paper | LibreCat-ID: 29849
B. Strothmann, F. Schafmeister, and J. Böcker, “Common-Mode-Free Bidirectional Three-Phase PFC-Rectifier for Non-Isolated EV Charger,” 2021, doi: 10.1109/apec42165.2021.9487462.
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2021 | Journal Article | LibreCat-ID: 29657
A. Brosch, O. Wallscheid, and J. Böcker, “Model Predictive Control of Permanent Magnet Synchronous Motors in the Overmodulation Region Including Six-Step Operation,” IEEE Open Journal of Industry Applications, vol. 2, pp. 47–63, 2021, doi: 10.1109/OJIA.2021.3066105.
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2021 | Conference Paper | LibreCat-ID: 29663
E. G. Gedlu, O. Wallscheid, and J. 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), 2021, pp. 1–8, doi: 10.1109/IEMDC47953.2021.9449548.
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2021 | Journal Article | LibreCat-ID: 29892
P. Rehlaender, F. Schafmeister, and J. Böcker, “Interleaved Single-Stage LLC Converter Design Utilizing Half- and Full-Bridge Configurations for Wide Voltage Transfer Ratio Applications,” IEEE Transactions on Power Electronics, vol. 36, no. 9, pp. 10065–10080, 2021, doi: 10.1109/tpel.2021.3067843.
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| DOI
2021 | Conference Paper | LibreCat-ID: 29895
B. Korthauer, P. Rehlaender, F. Schafmeister, and J. Böcker, “Design and Analysis of a Regenerative Snubber for a 2.2 kW Active-Clamp Forward Converter with Low-Voltage Output,” 2021, doi: 10.1109/apec42165.2021.9487130.
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| DOI
2021 | Conference Paper | LibreCat-ID: 29850
B. Strothmann, G. Book, F. Schafmeister, and J. 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, 2021, pp. 1–8.
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2021 | Conference Paper | LibreCat-ID: 29871
D. Urbaneck, P. Rehlaender, J. Böcker, and F. Schafmeister, “LLC Converter in Capacitive Operation Utilizing ZCS for IGBTs – Theory, Concept and Verification of a 2 kW DC-DC Converter for EVs,” presented at the Applied Power Electronics Conference (APEC), Arizona, 2021.
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2021 | Journal Article | LibreCat-ID: 30030
M. Stender, O. Wallscheid, and J. Böcker, “Accurate Torque Control for Induction Motors by Utilizing a Globally Optimized Flux Observer,” IEEE Transactions on Power Electronics, vol. 36, no. 11, pp. 13261–13274, 2021, doi: 10.1109/tpel.2021.3080129.
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2021 | Conference Paper | LibreCat-ID: 30031
M. Stender, O. Wallscheid, and J. Böcker, “Accurate Torque Estimation for Induction Motors by Utilizing a Hybrid Machine Learning Approach,” 2021, doi: 10.1109/pemc48073.2021.9432615.
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| DOI
2021 | Conference Paper | LibreCat-ID: 30029
M. Stender, O. Wallscheid, and J. Böcker, “Combined Electrical-Thermal Gray-Box Model and Parameter Identification of an Induction Motor,” 2021, doi: 10.1109/iecon48115.2021.9589225.
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| DOI
2021 | Conference Paper | LibreCat-ID: 30032
M. Stender, O. Wallscheid, and J. Böcker, “Gray-Box Loss Model for Induction Motor Drives,” 2021, doi: 10.1109/pemc48073.2021.9432491.
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2021 | Conference Paper | LibreCat-ID: 29665
S. Hanke, O. Wallscheid, and J. Böcker, “Comparison of Artificial Neural Network and Least Squares Prediction Models for Finite-Control-Set Model Predictive Control of a Permanent Magnet Synchronous Motor,” 2021, doi: 10.1049%2Ficp.2021.1122.
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| DOI
2021 | Journal Article | LibreCat-ID: 21251
W. Kirchgässner, O. Wallscheid, and J. Böcker, “Data-Driven Permanent Magnet Temperature Estimation in Synchronous Motors with Supervised Machine Learning: A Benchmark,” IEEE Transactions on Energy Conversion, vol. 36, no. 3, pp. 2059–2067, 2021, doi: 10.1109/tec.2021.3052546.
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| DOI
2021 | Journal Article | LibreCat-ID: 21557
A. Brosch, O. Wallscheid, and J. Böcker, “Torque and Inductances Estimation for Finite Model Predictive Control of Highly Utilized Permanent Magnet Synchronous Motors,” IEEE Transactions on Industrial Informatics, 2021, doi: 10.1109/tii.2021.3060469.
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| DOI
2021 | Conference Paper | LibreCat-ID: 30340
M. Hagemeyer, P. Wallmeier, F. Schafmeister, and J. 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), Phoenix, AZ, USA, 2021, pp. 569–576.
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2021 | Conference Paper | LibreCat-ID: 29938
R. Unruh, J. Lange, F. Schafmeister, and J. Böcker, “Adaptive Zero-Sequence Voltage Injection for Modular Solid-State Transformer to Compensate for Asymmetrical Fault Conditions,” presented at the 23rd European Conference on Power Electronics and Applications (EPE’21 ECCE Europe), Ghent, Belgium, 2021, doi: https://doi.org/10.23919/EPE21ECCEEurope50061.2021.9570542.
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2021 | Conference Paper | LibreCat-ID: 29899
P. Rehlaender, R. Unruh, L. Hankeln, F. Schafmeister, and J. Böcker, “Frequency-Doubler Modulation for Reduced Junction Temperatures for LLC Resonant Converters Operated in Half-Bridge Configuration,” presented at the 23rd European Conference on Power Electronics and Applications (EPE’21 ECCE Europe), Ghent, Belgium, 2021, doi: 10.23919/EPE21ECCEEurope50061.2021.9570674.
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2021 | Preprint | LibreCat-ID: 29655
W. Kirchgässner, O. Wallscheid, and J. 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
P. Rehlaender, R. Unruh, F. Schafmeister, and J. Böcker, “Alternating Asymmetrical Phase-Shift Modulation for Full-Bridge Converters with Balanced Switching Losses to Reduce Thermal Imbalances,” presented at the 2021 IEEE Applied Power Electronics Conference and Exposition (APEC), Phoenix, AZ, USA, 2021, doi: 10.1109/apec42165.2021.9487104.
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2021 | Conference Paper | LibreCat-ID: 22218
S. Krauter 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, Staffelstein / online, 2021, pp. 305–309.
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2020 | Conference Paper | LibreCat-ID: 29884
J. Böcker, “Analysis of the Magnetic Skin Effekt in Motors and Inductors,” presented at the SPEEDAM, 2020, doi: 10.1109/speedam48782.2020.9161895.
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| DOI
2020 | Journal Article | LibreCat-ID: 21250
W. Kirchgässner, O. Wallscheid, and J. Böcker, “Estimating Electric Motor Temperatures with Deep Residual Machine Learning,” IEEE Transactions on Power Electronics, vol. 36, no. 7, pp. 7480–7488, 2020, doi: 10.1109/tpel.2020.3045596.
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| DOI
2020 | Conference Paper | LibreCat-ID: 29939
R. Unruh, F. Schafmeister, and J. Böcker, “Evaluation of MMCs for High-Power Low-Voltage DC-Applications in Combination with the Module LLC-Design,” presented at the 22nd European Conference on Power Electronics and Applications (EPE’20 ECCE Europe), Lyon, France, 2020, doi: 10.23919/epe20ecceeurope43536.2020.9215687.
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2020 | Conference Paper | LibreCat-ID: 29894
P. Rehlaender, S. Tikhonov, F. Schafmeister, and J. 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,” 2020, doi: 10.23919/epe20ecceeurope43536.2020.9215736.
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| DOI
2020 | Journal Article | LibreCat-ID: 21558
A. Brosch, S. Hanke, O. Wallscheid, and J. Böcker, “Data-Driven Recursive Least Squares Estimation for Model Predictive Current Control of Permanent Magnet Synchronous Motors,” IEEE Transactions on Power Electronics, pp. 2179–2190, 2020, doi: 10.1109/tpel.2020.3006779.
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| DOI
2020 | Conference Paper | LibreCat-ID: 29956
K. S. C. Stille, D. Weber, J. Lange, T. Vogt, O. Wallscheid, and J. Böcker, “Emulation of Microgrids for Research and Validation of Control and Operation Strategies,” presented at the SPEEDAM, Sorrent, Italy, 2020, doi: 10.1109/speedam48782.2020.9161971.
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| DOI
2020 | Conference Paper | LibreCat-ID: 29896
P. Rehlaender, T. Grote, S. Tikhonov, S. Mario, F. Schafmeister, and J. 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,” presented at the Power Conversion and Intelligent Motion (PCIM), Nürnberg, 2020.
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2020 | Conference Paper | LibreCat-ID: 29898
T. Rüschenbaum, P. Rehlaender, P. Ha, T. Grote, F. Schafmeister, and J. Böcker, “Two-Stage Automotive DC-DC Converter Design with Wide Voltage-Transfer Range Utilizing Asymmetric LLC Operation,” presented at the PCIM Europe digital days 2020, 2020.
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2020 | Conference Paper | LibreCat-ID: 29874
D. Urbaneck, P. Rehlaender, F. Schafmeister, and J. Böcker, “LLC Converter Design in Capacitive Operation utilizes ZCS for IGBTs – a Concept Study for a 2.2 kW Automotive DC-DC Stage,” presented at the Power Conversion and Intelligent Motion (PCIM), Nürnberg, 2020.
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2020 | Journal Article | LibreCat-ID: 30033
M. Stender, O. Wallscheid, and J. Böcker, “Comparison of Gray-Box and Black-Box Two-Level Three-Phase Inverter Models for Electrical Drives,” IEEE Transactions on Industrial Electronics, vol. 68, no. 9, pp. 8646–8656, 2020, doi: 10.1109/tie.2020.3018060.
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| DOI
2020 | Conference Paper | LibreCat-ID: 30036
M. Stender, O. Wallscheid, and J. Böcker, “Accurate Torque Estimation for Induction Motors by Utilizing Globally Optimized Flux Observers,” 2020, doi: 10.1109/speedam48782.2020.9161955.
LibreCat
| DOI
2020 | Conference Paper | LibreCat-ID: 29641
E. G. Gedlu, O. Wallscheid, and J. 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, vol. 2020, pp. 937–942.
LibreCat
2020 | Conference Paper | LibreCat-ID: 30339
M. E. Ahmmad, F. Schafmeister, and J. Böcker, “Practical Implementation and Verification of Simple-to-Implement Digital Current Observer for Half-Bridge Topologies,” presented at the IEEE International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management (PCIM 20 digital days), Nuremberg, Germany, 2020.
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2020 | Journal Article | LibreCat-ID: 29642
S. Hanke, O. Wallscheid, and J. 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
W. Kirchgässner, O. Wallscheid, and J. Böcker, “Data-Driven Permanent Magnet Temperature Estimation in Synchronous Motors with Supervised Machine Learning,” arXiv preprint arXiv:2001.06246, 2020.
LibreCat
2020 | Conference Paper | LibreCat-ID: 29880
R. Unruh, F. Schafmeister, and J. Böcker, “11kW, 70kHz LLC Converter Design with Adaptive Input Voltage for 98% Efficiency in an MMC,” 2020, doi: 10.1109/compel49091.2020.9265771.
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2020 | Conference Paper | LibreCat-ID: 29940
R. Unruh, F. Schafmeister, N. Fröhleke, and J. Böcker, “1-MW Full-Bridge MMC for High-Current Low-Voltage (100V-400V) DC-Applications,” presented at the PCIM Europe digital days 2020, Germany, 2020.
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2020 | Conference Paper | LibreCat-ID: 30001
B. Strothmann, T. Piepenbrock, F. Schafmeister, and J. 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, 2020, pp. 1–7.
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2019 | Conference Paper | LibreCat-ID: 29885
M. T. Joy and J. Böcker, “Speed Estimation in Induction Machines at all Speed Ranges Using Sensing Windings,” presented at the IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES), Chennai, India, 2019, doi: 10.1109/pedes.2018.8707494.
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| DOI
2019 | Conference Paper | LibreCat-ID: 21247
W. Kirchgässner, O. Wallscheid, and J. Böcker, “Empirical Evaluation of Exponentially Weighted Moving Averages for Simple Linear Thermal Modeling of Permanent Magnet Synchronous Machines,” 2019, doi: 10.1109/isie.2019.8781195.
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| DOI
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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| DOI
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: 30002
B. Strothmann, F. Schafmeister, and J. Böcker, “Pareto Design and Switching Frequencies for SiC MOSFETs Applied in an 11 kW Buck Converter for EV-Charging,” 2019, doi: 10.1109/apec.2019.8721850.
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| DOI
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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| DOI
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.
LibreCat
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.
LibreCat
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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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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| DOI
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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| DOI
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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| DOI
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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| DOI
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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| Download (ext.)
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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| DOI
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.
LibreCat
| DOI
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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