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307 Publications


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).
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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.
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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.
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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.
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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.
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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.
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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.
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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).
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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.
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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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2020 | Conference Paper | LibreCat-ID: 29884
Analysis of the Magnetic Skin Effekt in Motors and Inductors
J. Böcker, in: 2020 International Symposium on Power Electronics, Electrical Drives, Automation and Motion (SPEEDAM), IEEE, 2020.
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2020 | Journal Article | LibreCat-ID: 21250
Estimating Electric Motor Temperatures with Deep Residual Machine Learning
W. Kirchgässner, O. Wallscheid, J. Böcker, IEEE Transactions on Power Electronics 36 (2020) 7480–7488.
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2020 | Conference Paper | LibreCat-ID: 29939
Evaluation of MMCs for High-Power Low-Voltage DC-Applications in Combination with the Module LLC-Design
R. Unruh, F. Schafmeister, J. Böcker, in: 2020 22nd European Conference on Power Electronics and Applications (EPE’20 ECCE Europe), IEEE, 2020.
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2020 | Conference Paper | LibreCat-ID: 29894
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
P. Rehlaender, S. Tikhonov, F. Schafmeister, J. Böcker, in: 2020 22nd European Conference on Power Electronics and Applications (EPE’20 ECCE Europe), IEEE, 2020.
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2020 | Journal Article | LibreCat-ID: 21558
Data-Driven Recursive Least Squares Estimation for Model Predictive Current Control of Permanent Magnet Synchronous Motors
A. Brosch, S. Hanke, O. Wallscheid, J. Böcker, IEEE Transactions on Power Electronics (2020) 2179–2190.
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2020 | Conference Paper | LibreCat-ID: 29956
Emulation of Microgrids for Research and Validation of Control and Operation Strategies
K.S.C. Stille, D. Weber, J. Lange, T. Vogt, O. Wallscheid, J. Böcker, in: 2020 International Symposium on Power Electronics, Electrical Drives, Automation and Motion (SPEEDAM), IEEE, 2020.
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2020 | Conference Paper | LibreCat-ID: 29896
A 3,6 kW Single-Stage LLC Converter Operating in Half-Bridge, Full-Bridge and Phase-Shift Mode for Automotive Onboard DC-DC Conversion
P. Rehlaender, T. Grote, S. Tikhonov, S. Mario, F. Schafmeister, J. Böcker, in: PCIM Europe Digital Days 2020, 2020.
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2020 | Conference Paper | LibreCat-ID: 29898
Two-Stage Automotive DC-DC Converter Design with Wide Voltage-Transfer Range Utilizing Asymmetric LLC Operation
T. Rüschenbaum, P. Rehlaender, P. Ha, T. Grote, F. Schafmeister, J. Böcker, in: PCIM Europe Digital Days 2020, 2020.
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2020 | Conference Paper | LibreCat-ID: 29874
LLC Converter Design in Capacitive Operation utilizes ZCS for IGBTs – a Concept Study for a 2.2 kW Automotive DC-DC Stage
D. Urbaneck, P. Rehlaender, F. Schafmeister, J. Böcker, in: PCIM Europe Digital Days 2020, 2020.
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2020 | Journal Article | LibreCat-ID: 30033
Comparison of Gray-Box and Black-Box Two-Level Three-Phase Inverter Models for Electrical Drives
M. Stender, O. Wallscheid, J. Böcker, IEEE Transactions on Industrial Electronics 68 (2020) 8646–8656.
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2020 | Conference Paper | LibreCat-ID: 30036
Accurate Torque Estimation for Induction Motors by Utilizing Globally Optimized Flux Observers
M. Stender, O. Wallscheid, J. Böcker, in: 2020 International Symposium on Power Electronics, Electrical Drives, Automation and Motion (SPEEDAM), IEEE, 2020.
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2020 | Conference Paper | LibreCat-ID: 29641
Permanent magnet synchronous machine temperature estimation using low-order lumped-parameter thermal network with extended iron loss model
E.G. Gedlu, O. Wallscheid, J. Böcker, in: The 10th International Conference on Power Electronics, Machines and Drives (PEMD 2020), 2020, pp. 937–942.
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2020 | Conference Paper | LibreCat-ID: 30339
Practical Implementation and Verification of Simple-to-Implement Digital Current Observer for Half-Bridge Topologies
M.E. Ahmmad, F. Schafmeister, J. Böcker, in: Proc. IEEE International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management (PCIM Digital Days), IEEE, Nuremberg, Germany, 2020.
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2020 | Journal Article | LibreCat-ID: 29642 LibreCat
 

2020 | Journal Article | LibreCat-ID: 29640
Data-Driven Permanent Magnet Temperature Estimation in Synchronous Motors with Supervised Machine Learning
W. Kirchgässner, O. Wallscheid, J. Böcker, ArXiv Preprint ArXiv:2001.06246 (2020).
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2020 | Report | LibreCat-ID: 30034
Data Set Description: Three-Phase IGBT Two-Level Inverter for Electrical Drives
M. Stender, O. Wallscheid, J. Böcker, Data Set Description: Three-Phase IGBT Two-Level Inverter for Electrical Drives, 2020.
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2020 | Conference Paper | LibreCat-ID: 29880
11kW, 70kHz LLC Converter Design with Adaptive Input Voltage for 98% Efficiency in an MMC
R. Unruh, F. Schafmeister, J. Böcker, in: 2020 IEEE 21st Workshop on Control and Modeling for Power Electronics (COMPEL), IEEE, 2020.
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2020 | Conference Paper | LibreCat-ID: 29940
1-MW Full-Bridge MMC for High-Current Low-Voltage (100V-400V) DC-Applications
R. Unruh, F. Schafmeister, N. Fröhleke, J. Böcker, 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
Heat dissipation strategies for silicon carbide power SMDs and their use in different applications
B. Strothmann, T. Piepenbrock, F. Schafmeister, J. Böcker, 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
Speed Estimation in Induction Machines at all Speed Ranges Using Sensing Windings
M.T. Joy, J. Böcker, in: 2018 IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES), IEEE, 2019.
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2019 | Conference Paper | LibreCat-ID: 21247
Empirical Evaluation of Exponentially Weighted Moving Averages for Simple Linear Thermal Modeling of Permanent Magnet Synchronous Machines
W. Kirchgässner, O. Wallscheid, J. Böcker, in: 2019 IEEE 28th International Symposium on Industrial Electronics (ISIE), 2019.
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2019 | Conference Paper | LibreCat-ID: 21249
Deep Residual Convolutional and Recurrent Neural Networks for Temperature Estimation in Permanent Magnet Synchronous Motors
W. Kirchgässner, O. Wallscheid, J. Böcker, in: 2019 IEEE International Electric Machines & Drives Conference (IEMDC), 2019.
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2019 | Conference Paper | LibreCat-ID: 29999
Common Mode Analysis of Non-Isolated Three-Phase EV-Charger for Bi-Directional Vehicle-to-Grid Operation
B. Strothmann, F. Schafmeister, J. Böcker, 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
Pareto Design and Switching Frequencies for SiC MOSFETs Applied in an 11 kW Buck Converter for EV-Charging
B. Strothmann, F. Schafmeister, J. Böcker, in: 2019 IEEE Applied Power Electronics Conference and Exposition (APEC), IEEE, 2019.
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2019 | Conference Paper | LibreCat-ID: 16442
Analytical Modeling and Design of an Active Clamp Forward Converter Applied as a Single-Stage On-Board DC-DC Converter for EVs
P. Rehlaender, T. Grote, F. Schafmeister, J. Böcker, in: PCIM Europe 2019, 2019.
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2019 | Conference Paper | LibreCat-ID: 29942
MMC-Topology for High-Current and Low-Voltage Applications with Minimal Number of Submodules, Reduced Switching and Capacitor Losses
R. Unruh, F. Schafmeister, N. Fröhleke, J. Böcker, 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
Development of a Black-Box Two-Level IGBT Three-Phase Inverter Compensation Scheme for Electrical Drives
M. Stender, O. Wallscheid, J. Böcker, in: 2019 IEEE 28th International Symposium on Industrial Electronics (ISIE), IEEE, 2019.
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2019 | Conference Paper | LibreCat-ID: 29636
Finite-control-set model predictive control for a permanent magnet synchronous motor application with online least squares system identification
S. Hanke, S. Peitz, O. Wallscheid, J. Böcker, M. Dellnitz, 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
Stator flux-based field-oriented position-sensorless control of permanent magnet synchronous motors with limited parameter knowledge
O. Wallscheid, M.S. Shafiq, J. Böcker, in: 2019 IEEE 28th International Symposium on Industrial Electronics (ISIE), 2019, pp. 402–407.
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2019 | Conference Paper | LibreCat-ID: 29633
Hierarchical model predictive speed and current control of an induction machine drive with moving-horizon load torque estimator
O. Wallscheid, E.F.B. Ngoumtsa, J. Böcker, in: 2019 IEEE International Electric Machines & Drives Conference (IEMDC), 2019, pp. 2188–2195.
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2019 | Conference Paper | LibreCat-ID: 29637
Continuous-control-set model predictive control with integrated modulator in permanent magnet synchronous motor applications
S. Hanke, O. Wallscheid, J. Böcker, in: 2019 IEEE International Electric Machines & Drives Conference (IEMDC), 2019, pp. 2210–2216.
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2019 | Journal Article | LibreCat-ID: 29629
Improved Fusion of Permanent Magnet Temperature Estimation Techniques for Synchronous Motors Using a Kalman Filter
D.E.E. Gaona, O. Wallscheid, J. Böcker, IEEE Transactions on Industrial Electronics (2019).
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2019 | Conference Paper | LibreCat-ID: 30334
Computer-Aided Design and Optimization of an Integrated Transformer with Distributed Air Gap and Leakage Path for an LLC Resonant Converter
L. Keuck, F. Schafmeister, J. Böcker, in: Proc. 34th IEEE Applied Power Electronics Conference (APEC), IEEE, Anaheim, CA, USA, 2019, pp. 1415–1422.
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2019 | Conference Paper | LibreCat-ID: 30335
Computer-Aided Design and Optimization of an Integrated Transformer with Distributed Air Gap and Leakage Path for LLC Resonant Converter
L. Keuck, F. Schafmeister, J. Böcker, H. Jungwirth, M. Schmidhuber, in: Proc. IEEE International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management (PCIM), IEEE, Nuremberg, Germany, 2019.
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2019 | Conference Paper | LibreCat-ID: 30337
Novel Current Measurement Concept for Half Bridge Topologies based on simple-to-implement Digital Current Observer
M.E. Ahmad, 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, 2019.
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2019 | Conference Paper | LibreCat-ID: 30336
LCC Resonant Converter for Piezoelectric Transducers with Phase Shift Control
S. Bolte, 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, 2019.
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2019 | Conference Paper | LibreCat-ID: 30338
Bidirectional Resonant Converter with Integrated Magnetics for On-Board Chargers
S. Bolte, F. Schafmeister, J. Böcker, in: Proc. IEEE International Symposium on Industrial Electronics (ISIE), IEEE, Vancouver, Canada, 2019, pp. 770–774.
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2019 | Conference Paper | LibreCat-ID: 30344
Interleaved Active Clamp Forward Converters as Single Stage On-Board DC-DC Converters for EVs – an Accurate Model and Design Considerations
P. Rehlaender, T. Grote, 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, 2019.
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2019 | Conference Paper | LibreCat-ID: 30346
A PCB-Integrated Winding Using a Litz Structure for a Wireless Charging Coil
P. Rehlaender, T. Grote, S. Tikhonov, H. Njiende, F. Schafmeister, J. Böcker, P. Thiemann, in: Proc. 21st European Conference on Power Electronics and Applications (EPE-ECCE Europe), EPE, Genova, Italy, 2019, pp. 1–9.
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2019 | Conference Paper | LibreCat-ID: 30345
Analytical Topology Comparison for a Single-Stage On-Board EV-Battery Converter
P. Rehlaender, T. Grote, F. Schafmeister, J. Böcker, in: Proc. IEEE International Symposium on Industrial Electronics (ISIE), IEEE, Vancouver, Canada, 2019, pp. 2477–2482.
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2018 | Conference Paper | LibreCat-ID: 29888
Online-Identification of the Machine Parameters of an Induction Motor Drive
O. Buchholz, J. Böcker, in: 2018 IEEE 27th International Symposium on Industrial Electronics (ISIE), IEEE, 2018.
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2018 | Conference Paper | LibreCat-ID: 29912
Gopinath-observer for flux estimation of an induction machine drive system
O. Buchholz, J. Böcker, in: 2017 IEEE Southern Power Electronics Conference (SPEC), IEEE, 2018.
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2018 | Conference Paper | LibreCat-ID: 29911
Consideration on primary control reserve provision by industrial microgrids in grid-coupled operation
T. Vogt, J. Badeda, J. Böcker, D.U. Sauer, in: 2017 IEEE 12th International Conference on Power Electronics and Drive Systems (PEDS), IEEE, 2018.
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2018 | Conference Paper | LibreCat-ID: 29905
Sensorless Control of Induction Motor Drives Using Additional Windings on the Stator
M.T. Joy, J. Böcker, in: 2018 IEEE 9th International Symposium on Sensorless Control for Electrical Drives (SLED), IEEE, 2018.
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2018 | Conference Paper | LibreCat-ID: 29908
GaN Buck Converter in CCM with Optimized High Frequency Inductors
S. Bolte, N. Fröhleke, J. Böcker, in: PCIM Europe 2018; International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management, 2018, pp. 1–6.
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2018 | Conference Paper | LibreCat-ID: 29943
Energy Management for a Nano-CHP Unit and an Electrical Storage System in a Residential Application
D. Weber, K.S.C. Stille, O. Wallscheid, J. Böcker, in: 2018 International Symposium on Power Electronics, Electrical Drives, Automation and Motion (SPEEDAM), IEEE, 2018.
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2018 | Conference Paper | LibreCat-ID: 29628
Improving torque and speed estimation accuracy by conjoint parameter identification and unscented Kalman filter design for induction machines
O. Wallscheid, M. Schenke, J. Böcker, 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
A combined approach to identify induction machine parameters and to design an extended kalman filter for speed and torque estimation
O. Wallscheid, M. Schenke, J. Böcker, 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
Online-Identification of the Induction Machine Parameters Using the Extended Kalman Filter
O. Buchholz, J. Böcker, J. Bonifacio, in: 2018 XIII International Conference on Electrical Machines (ICEM), IEEE, 2018.
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2018 | Conference Paper | LibreCat-ID: 29887
Speed Estimation in Induction Motors Using Additional Windings
M.T. Joy, J. Böcker, in: 2018 20th European Conference on Power Electronics and Applications (EPE’18 ECCE Europe), 2018, p. P.1-P.10.
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2018 | Conference Paper | LibreCat-ID: 30331
Adaptive Frequency Control of DC-DC-Converters for Maximum Efficiency Using Artificial Neural Network
L. Keuck, A. Munir, 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, 2018.
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2018 | Conference Paper | LibreCat-ID: 30332
Switching Loss Characterization of Wide Band-Gap Devices by an Indirect Identification Methodology
L. Keuck, N. Jabbar, F. Schafmeister, J. Böcker, in: Proc. 20th European Conference on Power Electronics and Applications (EPE-ECCE Europe), EPE, Riga, Latvia, 2018, pp. 1–10.
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2018 | Conference Paper | LibreCat-ID: 30333
Coupled Inductor Design for Interleaved High-Current DC-DC Converters
M. Hagemeyer, F. Schafmeister, J. Böcker, in: Proc. International Conference on Electrical Machines and Systems (ICEMS), Korea IEE & IEE Japan, Jeju, South-Korea, 2018, pp. 2316–2321.
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2018 | Journal Article | LibreCat-ID: 29624
Koopman Operator-Based Finite-Control-Set Model Predictive Control for Electrical Drives
S. Hanke, S. Peitz, O. Wallscheid, S. Klus, J. Böcker, M. Dellnitz, ArXiv Preprint ArXiv:1804.00854 (2018).
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2018 | Conference Paper | LibreCat-ID: 30631
Design of a flywheel energy storage system for high current pulsating loads
M. Hagemeyer, N. Fröhleke, J. Böcker, B. Rödder, L. Aßmann, B. Völkel, in: 2017 IEEE 12th International Conference on Power Electronics and Drive Systems (PEDS), IEEE, 2018.
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2018 | Conference Paper | LibreCat-ID: 30632
Consideration on primary control reserve provision by industrial microgrids in grid-coupled operation
T. Vogt, J. Badeda, J. Böcker, D.U. Sauer, in: 2017 IEEE 12th International Conference on Power Electronics and Drive Systems (PEDS), IEEE, 2018.
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2018 | Conference Paper | LibreCat-ID: 6523
Lifetime Extension of Photovoltaic Modules by Influencing the Module Temperature Using Phase Change Material
D. Weber, M.I. Rafsan Jani, M. Grabo, O. Wallscheid, T. Klaus, S. Krauter, J. Böcker, in: World Conference on Photovoltaic Energy Conversion (WCPEC-7), 45th IEEE PVSC, 28th PVSEC, 34th EU PVSEC., Waikoloa Village, Big Island, Hawaii (USA), 2018.
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2017 | Conference Paper | LibreCat-ID: 29889
Model-based control structure for high-speed permanent magnet synchronous drives
K. Peter, F. Mink, J. Böcker, in: 2017 IEEE International Electric Machines and Drives Conference (IEMDC), IEEE, 2017.
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2017 | Conference Paper | LibreCat-ID: 21248
Investigation of long short-term memory networks to temperature prediction for permanent magnet synchronous motors
O. Wallscheid, W. Kirchgässner, J. Böcker, in: 2017 International Joint Conference on Neural Networks (IJCNN), 2017.
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2017 | Journal Article | LibreCat-ID: 29915
Wassergekühltes On-Board-Ladegerät mit optimiertem Kühlkanal
S. Bolte, C. Henkenius, J. Böcker, E. Kenig, A. Zibart, H. Figge, Wt Werkstattstechnik Online 107 (2017) 381ff.
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2017 | Conference Paper | LibreCat-ID: 29914
Water-cooled on-board charger with optimized cooling channel
S. Bolte, C. Henkenius, J. Böcker, A. Zibart, E. Kenig, H. Figge, in: 2017 19th European Conference on Power Electronics and Applications (EPE’17 ECCE Europe), IEEE, 2017.
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2017 | Conference Paper | LibreCat-ID: 29916
Calorimetric measurements with compensating temperature control
S. Bolte, L. Keuck, J.K. Afridi, N. Fröhleke, J. Böcker, in: 2017 IEEE 26th International Symposium on Industrial Electronics (ISIE), IEEE, 2017.
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2017 | Conference Paper | LibreCat-ID: 29918
An iterative compensation method for production tolerances in electric drive systems
M. Ott, A. Gülec, J. Böcker, in: 2017 IEEE International Electric Machines and Drives Conference (IEMDC), IEEE, 2017.
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2017 | Conference Paper | LibreCat-ID: 29913
Winding concepts for high frequency inductors with reduced DC resistance
S. Bolte, J.K. Afridi, J. Böcker, in: 2017 IEEE International Telecommunications Energy Conference (INTELEC), IEEE, 2017.
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2017 | Conference Paper | LibreCat-ID: 29917
Calorimetric Measurement of Wide Bandgap Semiconductors Switching Losses
S. Bolte, L. Wohlrab, J.K. Afridi, N. Fröhleke, J. Böcker, in: PCIM Europe 2017; International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management, 2017, pp. 1–6.
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2017 | Conference Paper | LibreCat-ID: 29622
Glocal identification methods for low-order lumped parameter thermal networks used in permanent magnet synchronous motors
D. Gaona, O. Wallscheid, J. Böcker, in: 2017 IEEE 12th International Conference on Power Electronics and Drive Systems (PEDS), 2017, pp. 1–126.
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2017 | Conference Paper | LibreCat-ID: 29621
Sensitivity analysis of a permanent magnet temperature observer for PM synchronous machines using the monte carlo method
D. Gaona, O. Wallscheid, J. Böcker, in: 2017 IEEE 12th International Conference on Power Electronics and Drive Systems (PEDS), 2017, pp. 599–606.
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2017 | Conference Paper | LibreCat-ID: 29620
A direct model predictive torque control approach to meet torque and loss objectives simultaneously in permanent magnet synchronous motor applications
S. Hanke, O. Wallscheid, J. Böcker, in: 2017 IEEE International Symposium on Predictive Control of Electrical Drives and Power Electronics (PRECEDE), 2017, pp. 101–106.
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2017 | Journal Article | LibreCat-ID: 29615
Observing the Permanent Magnet Temperature of Synchronous Motors Based on Electrical Fundamental Wave Model Quantities
O. Wallscheid, A. Specht, J. Böcker, IEEE Transactions on Industrial Electronics 64 (2017) 3921–3929.
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2017 | Conference Paper | LibreCat-ID: 29623
Fusion of a lumped-parameter thermal network and speed-dependent flux observer for PM temperature estimation in synchronous machines
D. Gaona, O. Wallscheid, J. Böcker, in: 2017 IEEE Southern Power Electronics Conference (SPEC), 2017, pp. 1–6.
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