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307 Publications


2024 | Journal Article | LibreCat-ID: 53309
Insights and Challenges of Co-Simulation-based Optimal Pulse Pattern Evaluation for Electric Drives
L. Hölsch, A. Brosch, R. Steckel, T. Braun, S. Wendel, J. Böcker, O. Wallscheid, IEEE Transactions on Energy Conversion (2024) 1–12.
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2023 | Book | LibreCat-ID: 41369
Mechatronik und elektrische Antriebe / Mechatronics and electrical drives
J. Böcker, Mechatronik und elektrische Antriebe / Mechatronics and electrical drives, Paderborn University, Paderborn, n.d.
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2023 | Journal Article | LibreCat-ID: 43456
Time-Optimal Model Predictive Control of Permanent Magnet Synchronous Motors Considering Current and Torque Constraints
A. Brosch, O. Wallscheid, J. Böcker, IEEE Transactions on Power Electronics (2023) 1–14.
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2023 | Journal Article | LibreCat-ID: 46147
Finite Set Sensorless Control With Minimum a Priori Knowledge and Tuning Effort for Interior Permanent Magnet Synchronous Motors
A. Brosch, F. Tinazzi, O. Wallscheid, M. Zigliotto, J. Böcker, IEEE Transactions on Power Electronics (2023).
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2023 | Journal Article | LibreCat-ID: 48059
Pseudo-Labeling Machine Learning Algorithm for Predictive Maintenance of Relays
F. Winkel, O. Wallscheid, P. Scholz, J. Böcker, IEEE Open Journal of the Industrial Electronics Society (2023) 1–14.
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2023 | Journal Article | LibreCat-ID: 48058
Run-to-Failure Relay Dataset for Predictive Maintenance Research With Machine Learning
F. Winkel, J. Deuse-Kleinsteuber, J. Böcker, IEEE Transactions on Reliability (2023) 1–14.
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2023 | Conference Paper | LibreCat-ID: 48352
An Optimized Third-Harmonic Injection Reduces DC-Link Voltage Ripple in Cascaded H-Bridge Converters up to 50% for all Power Factors
R. Unruh, J. Böcker, F. Schafmeister, in: 2023 25th European Conference on Power Electronics and Applications (EPE’23 ECCE Europe), IEEE, 2023.
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2023 | Conference Paper | LibreCat-ID: 48093
Fade-Over Strategy for use of Model Predictive Direct Self-Control with Field-Oriented Control
M. Pena, M. Meyer, O. Wallscheid, J. Böcker, in: 2023 IEEE International Electric Machines and Drives Conference (IEMDC), IEEE, 2023.
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2023 | Journal Article | LibreCat-ID: 48092
Model Predictive Direct Self-Control for Six-Step Operation of Permanent-Magnet Synchronous Machines
M. Pena, M. Meyer, O. Wallscheid, J. Böcker, IEEE Transactions on Power Electronics 38 (2023) 12416–12429.
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2023 | Conference Paper | LibreCat-ID: 53310
Online system identification and excitation for thermal monitoring of electric machines using machine learning and model predictive control
E.G. Gedlu, O. Wallscheid, J. Böcker, O. Nelles, in: 2023 IEEE 14th International Symposium on Diagnostics for Electrical Machines, Power Electronics and Drives (SDEMPED), IEEE, 2023.
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2023 | Journal Article | LibreCat-ID: 53543
Reducing Contact Bouncing of a Relay by Optimizing the Switch Signal During Run-Time
F. Winkel, P. Scholz, O. Wallscheid, J. Böcker, IEEE Transactions on Automation Science and Engineering (2023) 1–11.
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2022 | Conference Paper | LibreCat-ID: 30349
An Open-Source Transistor Database and Toolbox as an Unified Software Engineering Tool for Managing and Evaluating Power Transistors
N. Förster, P. Rehlaender, O. Wallscheid, F. Schafmeister, J. Böcker, in: Proc. 37th IEEE Applied Power Electronics Conference (APEC), IEEE, Houston, TX, USA, n.d.
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2022 | Conference Paper | LibreCat-ID: 30350
Robust Hysteresis Control for LLC Resonant Converters Using a Fully Isolated Measurement Scheme
L. Keuck, F. Schafmeister, J. Böcker, in: Proc. IEEE International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management (PCIM), IEEE, Nuremberg, Germany, n.d.
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2022 | Journal Article | LibreCat-ID: 34533 LibreCat | DOI
 

2022 | Conference Paper | LibreCat-ID: 32796
Concept Study of an LLC Converter with Magnetically Resonant Inductor
J. Böcker, in: 2022 International Symposium on Power Electronics, Electrical Drives, Automation and Motion (SPEEDAM), IEEE, 2022.
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2022 | Journal Article | LibreCat-ID: 33459 LibreCat | DOI
 

2022 | Conference Paper | LibreCat-ID: 33489 LibreCat | Download (ext.)
 

2022 | Conference Paper | LibreCat-ID: 34299
Adaptive Operating Strategy for Induction Motors Under Changing Electrical-Thermal Conditions
M. Stender, M. Becker, O. Wallscheid, J. Böcker, in: 48th Annual Conference of the Industrial Electronics Society (IECON), 2022.
LibreCat | DOI
 

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

2022 | Conference Paper | LibreCat-ID: 35127
An Open-Source FEM Magnetics Toolbox for Power Electronic Magnetic Components
N. Förster, T. Piepenbrock, P. Rehlaender, O. Wallscheid, F. Schafmeister, J. Böcker, in: PCIM Europe 2022; International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management, 2022, pp. 1–10.
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2022 | Journal Article | LibreCat-ID: 34065
Thermal neural networks: Lumped-parameter thermal modeling with state-space machine learning
W. Kirchgässner, O. Wallscheid, J. Böcker, Engineering Applications of Artificial Intelligence 117 (2022).
LibreCat | DOI
 

2022 | Conference Paper | LibreCat-ID: 32859
Learning Thermal Properties and Temperature Models of Electric Motors with Neural Ordinary Differential Equations
W. Kirchgässner, O. Wallscheid, J. Böcker, in: 2022 International Power Electronics Conference (IPEC-Himeji 2022- ECCE Asia), IEEE, 2022.
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2022 | Journal Article | LibreCat-ID: 44163
LLC Resonant Converter Modulations for Reduced Junction Temperatures in Half-Bridge Mode and Transformer Flux in the On-the-Fly Morphing Thereto
P. Rehlaender, O. Wallscheid, F. Schafmeister, J. Böcker, IEEE Transactions on Power Electronics 37 (2022) 13413–13427.
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2022 | Conference Paper | LibreCat-ID: 42894
Application of Thermal Neural Networks on a Small-Scale Electric Motor
W. Kirchgässner, D. Wöckinger, O. Wallscheid, G. Bramerdorfer, J. Böcker, in: IKMT 2022; 13. GMM/ETG-Symposium, 2022, pp. 1–6.
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2022 | Conference Paper | LibreCat-ID: 44164
Experimental Demonstration of a 2.2kW Active-Clamp Converter for High-Current Wide-Voltage-Transfer Ratio Applications
P. Rehlaender, B. Korthauer, F. Schafmeister, J. Böcker, in: 2022 24th European Conference on Power Electronics and Applications (EPE’22 ECCE Europe), 2022, p. P.1-P.11.
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2022 | Conference Paper | LibreCat-ID: 44161
Phase-Shift Modulation for Flying-Capacitor DC-DC Converters
P. Rehlaender, F. Schafmeister, J. Böcker, in: 2022 24th European Conference on Power Electronics and Applications (EPE’22 ECCE Europe), 2022, pp. 1–9.
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2022 | Journal Article | LibreCat-ID: 31085
Data-Driven Adaptive Torque Oscillation Compensation for Multi-Motor Drive Systems
A. Brosch, J. Rauhaus, O. Wallscheid, J. Böcker, D. Zimmer, IEEE Open Journal of Industry Applications (2022).
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2022 | Conference Paper | LibreCat-ID: 34176
Zero-Sequence Voltage Reduces DC-Link Capacitor Demand in Cascaded H-Bridge Converters for Large-Scale Electrolyzers by 40%
R. Unruh, F. Schafmeister, J. Böcker, in: 24th European Conference on Power Electronics and Applications (EPE’22 ECCE Europe), IEEE, 2022.
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2022 | Conference Paper | LibreCat-ID: 35126
An Open-Source FEM Magnetic Toolbox for Calculating Electric and Thermal Behavior of Power Electronic Magnetic Components
N. Förster, J. Hölscher, T. Piepenbrock, P. Rehlaender, O. Wallscheid, F. Schafmeister, J. Böcker, in: 2022 24th European Conference on Power Electronics and Applications (EPE’22 ECCE Europe), 2022, p. P.1-P.9.
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2021 | Book | LibreCat-ID: 29876
Elektrische Antriebe – Regelung von Antriebssystemen
D. Schröder, J. Böcker, Elektrische Antriebe – Regelung von Antriebssystemen, 5th ed., Springer Nature, 2021.
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2021 | Conference Paper | LibreCat-ID: 29849
Common-Mode-Free Bidirectional Three-Phase PFC-Rectifier for Non-Isolated EV Charger
B. Strothmann, F. Schafmeister, J. Böcker, in: 2021 IEEE Applied Power Electronics Conference and Exposition (APEC), IEEE, 2021.
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2021 | Journal Article | LibreCat-ID: 29657
Model Predictive Control of Permanent Magnet Synchronous Motors in the Overmodulation Region Including Six-Step Operation
A. Brosch, O. Wallscheid, J. Böcker, IEEE Open Journal of Industry Applications 2 (2021) 47–63.
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2021 | Conference Paper | LibreCat-ID: 29663
Temperature estimation of electric machines using a hybrid model of feed-forward neural and low-order lumped-parameter thermal networks
E.G. Gedlu, O. Wallscheid, J. Böcker, in: 2021 IEEE International Electric Machines & Drives Conference (IEMDC), 2021, pp. 1–8.
LibreCat | DOI
 

2021 | Journal Article | LibreCat-ID: 29892
Interleaved Single-Stage LLC Converter Design Utilizing Half- and Full-Bridge Configurations for Wide Voltage Transfer Ratio Applications
P. Rehlaender, F. Schafmeister, J. Böcker, IEEE Transactions on Power Electronics 36 (2021) 10065–10080.
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2021 | Conference Paper | LibreCat-ID: 29895
Design and Analysis of a Regenerative Snubber for a 2.2 kW Active-Clamp Forward Converter with Low-Voltage Output
B. Korthauer, P. Rehlaender, F. Schafmeister, J. Böcker, in: 2021 IEEE Applied Power Electronics Conference and Exposition (APEC), IEEE, 2021.
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2021 | Conference Paper | LibreCat-ID: 29850
Single-Phase Operation of Common-Mode-Free Bidirectional Three-Phase PFC-Rectifier for Non-Isolated EV Charger with Minimized DC-Link
B. Strothmann, G. Book, F. Schafmeister, J. Böcker, in: PCIM Europe Digital Days 2021; International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management, 2021, pp. 1–8.
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2021 | Conference Paper | LibreCat-ID: 29871
LLC Converter in Capacitive Operation Utilizing ZCS for IGBTs – Theory, Concept and Verification of a 2 kW DC-DC Converter for EVs
D. Urbaneck, P. Rehlaender, J. Böcker, F. Schafmeister, in: 2021 IEEE Applied Power Electronics Conference and Exposition (APEC), 2021.
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2021 | Journal Article | LibreCat-ID: 30030
Accurate Torque Control for Induction Motors by Utilizing a Globally Optimized Flux Observer
M. Stender, O. Wallscheid, J. Böcker, IEEE Transactions on Power Electronics 36 (2021) 13261–13274.
LibreCat | DOI
 

2021 | Conference Paper | LibreCat-ID: 30031
Accurate Torque Estimation for Induction Motors by Utilizing a Hybrid Machine Learning Approach
M. Stender, O. Wallscheid, J. Böcker, in: 2021 IEEE 19th International Power Electronics and Motion Control Conference (PEMC), IEEE, 2021.
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2021 | Conference Paper | LibreCat-ID: 30029
Combined Electrical-Thermal Gray-Box Model and Parameter Identification of an Induction Motor
M. Stender, O. Wallscheid, J. Böcker, in: IECON 2021 – 47th Annual Conference of the IEEE Industrial Electronics Society, IEEE, 2021.
LibreCat | DOI
 

2021 | Conference Paper | LibreCat-ID: 30032
Gray-Box Loss Model for Induction Motor Drives
M. Stender, O. Wallscheid, J. Böcker, in: 2021 IEEE 19th International Power Electronics and Motion Control Conference (PEMC), IEEE, 2021.
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2021 | Conference Paper | LibreCat-ID: 29665 LibreCat | DOI
 

2021 | Journal Article | LibreCat-ID: 21251
Data-Driven Permanent Magnet Temperature Estimation in Synchronous Motors with Supervised Machine Learning: A Benchmark
W. Kirchgässner, O. Wallscheid, J. Böcker, IEEE Transactions on Energy Conversion 36 (2021) 2059–2067.
LibreCat | DOI
 

2021 | Journal Article | LibreCat-ID: 21557
Torque and Inductances Estimation for Finite Model Predictive Control of Highly Utilized Permanent Magnet Synchronous Motors
A. Brosch, O. Wallscheid, J. Böcker, IEEE Transactions on Industrial Informatics (2021).
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2021 | Conference Paper | LibreCat-ID: 30340
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
M. Hagemeyer, P. Wallmeier, F. Schafmeister, J. Böcker, in: Proc. 36th IEEE Applied Power Electronics Conference (APEC), IEEE, Phoenix, AZ, USA, 2021, pp. 569–576.
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2021 | Conference Paper | LibreCat-ID: 29938
Adaptive Zero-Sequence Voltage Injection for Modular Solid-State Transformer to Compensate for Asymmetrical Fault Conditions
R. Unruh, J. Lange, F. Schafmeister, J. Böcker, in: 23rd European Conference on Power Electronics and Applications (EPE’21 ECCE Europe), IEEE, 2021.
LibreCat | DOI | Download (ext.)
 

2021 | Conference Paper | LibreCat-ID: 29899
Frequency-Doubler Modulation for Reduced Junction Temperatures for LLC Resonant Converters Operated in Half-Bridge Configuration
P. Rehlaender, R. Unruh, L. Hankeln, F. Schafmeister, J. Böcker, in: 23rd European Conference on Power Electronics and Applications (EPE’21 ECCE Europe), IEEE, 2021.
LibreCat | DOI | Download (ext.)
 

2021 | Preprint | LibreCat-ID: 29655
Thermal Neural Networks: Lumped-Parameter Thermal Modeling With State-Space Machine Learning
W. Kirchgässner, O. Wallscheid, J. Böcker, ArXiv Preprint ArXiv:2103.16323 (2021).
LibreCat
 

2021 | Conference Paper | LibreCat-ID: 29893
Alternating Asymmetrical Phase-Shift Modulation for Full-Bridge Converters with Balanced Switching Losses to Reduce Thermal Imbalances
P. Rehlaender, R. Unruh, F. Schafmeister, J. Böcker, in: 2021 IEEE Applied Power Electronics Conference and Exposition (APEC), IEEE, 2021.
LibreCat | DOI | Download (ext.)
 

2021 | Conference Paper | LibreCat-ID: 22218
Projekt Art-D Grids: Nachhaltige und stabile Microgrids in Afrika - eine Plattform für Forschung und Lehre für die Entwicklung
S. Krauter, J. Böcker, C. Freitag, B. Hehenkamp, U. Hilleringmann, K. Temmen, T. Klaus, N. Rohrer, S. Lehmann, in: Tagungsband des 36. PV-Symposiums, 18.-26 Mai 2021, Conexio, Pforzheim, 2021, pp. 305–309.
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