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311 Publications
2013 | Conference Paper | LibreCat-ID: 30562
Krishna, D.V.M.M., H. Preckwinkel, N. Fröhleke, and Joachim Böcker. “A Novel LC Resonant Based Partial Booster Scheme for Improved Efficiency and Reduced Cost of Transformerless Photovoltaic Inverters.” In PCIM Europe Conference, Nürnberg, Germany, 2013.
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2013 | Conference Paper | LibreCat-ID: 30565
Bolte, S., J. Baurichter, C. Henkenius, N. Fröhleke, Joachim Böcker, and H. Figge. “Verlustmodellierung Und Effizienzoptimierung Einer Hart Schaltenden, Netzfreundlichen Pulsgleichrichterstufe (PFC).” In Internationaler ETG Kongress, Berlin, Germany, 2013.
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2013 | Conference Paper | LibreCat-ID: 30563
Peter, K., and Joachim Böcker. “Minimierung Niederfrequenter Oberschwingungen in Pulsmustern Für 2-Level Umrichter in Antriebssystemen Mittels Winkelmodulierter Partikel Schwarm Optimierung.” In Internationaler ETG Kongress, Berlin, Germany, 2013.
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2013 | Conference Paper | LibreCat-ID: 30564
Keuck, Lukas, N. Fröhleke, and Joachim Böcker. “Formaler Regelungsentwurf Für Netzfreundliche PFC-Ladegleichrichter Unter Anwendung Eines Netzbeobachters.” In Internationaler ETG Kongress, Berlin, Germany, 2013.
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2013 | Conference Paper | LibreCat-ID: 30556
Sharabash, H., D.V.M.M. Krishna, N. Fröhleke, and Joachim Böcker. “High Efficiency Photovoltaic Power Conditioning System.” In PCIM Europe Conference, Nürnberg, Germany, 2013.
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2013 | Conference Paper | LibreCat-ID: 30553
Böcker, Joachim, and O. Buchholz. “Can Oversampling Improve the Dynamics of PWM Controls?” In 2013 IEEE International Conference on Industrial Technology (ICIT). IEEE, 2013. https://doi.org/10.1109/icit.2013.6505952.
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2013 | Conference Paper | LibreCat-ID: 30571
Cao, Zhiyu, Junbing Tao, Norbert Fröhleke, and Joachim Böcker. “Dynamical Modeling for Series-Parallel Resonant Converter under Optimized Modulation.” In 2013 Twenty-Eighth Annual IEEE Applied Power Electronics Conference and Exposition (APEC). IEEE, 2013. https://doi.org/10.1109/apec.2013.6520481.
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2013 | Conference Paper | LibreCat-ID: 30551
Krishna, D. V. M. M., N. Fröhleke, Joachim Böcker, and H. Preckwinkel. “A Simplified Mathematical Model for DC-Balancing and Capacitor Ripple Reduction in 3-Level Inverters.” In 2013 IEEE International Conference on Industrial Technology (ICIT). IEEE, 2013. https://doi.org/10.1109/icit.2013.6505715.
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2013 | Conference Paper | LibreCat-ID: 30561
Preckwinkel, Heiko, Andreas Bünte, Joachim Böcker, Norbert Fröhleke, and Krishna Dora. “A Novel Low Cost Solar Central Inverters Topology with 99.2% Efficiency.” In 2013 15th European Conference on Power Electronics and Applications (EPE). IEEE, 2013. https://doi.org/10.1109/epe.2013.6631769.
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2013 | Conference Paper | LibreCat-ID: 30552
Solanki, J., N. Fröhleke, Joachim Böcker, and P. Wallmeier. “A Modular Multilevel Converter Based High-Power High-Current Power Supply.” In 2013 IEEE International Conference on Industrial Technology (ICIT). IEEE, 2013. https://doi.org/10.1109/icit.2013.6505713.
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2013 | Conference Paper | LibreCat-ID: 30560
Lönneker, Michael, and Joachim Böcker. “A Novel Space Vector Modulation Strategy for Thyristor Matrix Converters.” In 2013 15th European Conference on Power Electronics and Applications (EPE). IEEE, 2013. https://doi.org/10.1109/epe.2013.6631954.
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2012 | Conference Paper | LibreCat-ID: 29600
Peters, Wilhelm, Oliver Wallscheid, and Joachim Böcker. “A Precise Open-Loop Torque Control for an Interior Permanent Magnet Synchronous Motor (IPMSM) Considering Iron Losses.” In IECON 2012-38th Annual Conference on IEEE Industrial Electronics Society, 2877–2882, 2012.
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2012 | Conference Paper | LibreCat-ID: 30325
Figge, Heiko, Norbert Fröhleke, Joachim Böcker, and Frank Schafmeister. “Cost-Effective Implementation of a Digitally Controlled LLC Resonant Converter for Application in Server- and Telecom-PSUs.” In Proc. IEEE International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management (PCIM), 1–8. Nuremberg, Germany: IEEE, 2012.
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2012 | Conference Paper | LibreCat-ID: 30543
Cao, Z., F. H. Nzeugang, J. Tao, N. Fröhleke, and Joachim Böcker. “Novel Dynamical Modeling for Series-Parallel Resonant Converter.” In 21th IEEE International Symposium on Industrial Electronics (ISIE2012), Huangzhou, China, 2012. https://doi.org/10.1109/ISIE.2012.6237122.
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2012 | Conference Paper | LibreCat-ID: 30540
Grote, T., S. Bolte, N. Fröhleke, and Joachim Böcker. “Reduction of Total Harmonic Distortion (THD)for Interleaved Converters Operating in Discontinuous Conduction Mode (DCM).” In PCIM Europe Conference, Nürnberg, Germany, 2012, 2012.
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2012 | Conference Paper | LibreCat-ID: 30544
Böcker, Joachim, M. Sun, Z. Cao, L. Tong, H. Zou, and P. Ranjan. “High Fidelity Hybrid Hardware-in-the-Loop Simulator with FPGA and Processor for AC Railway Traction.” In PCIM Europe Conference, Nürnberg, Germany, 2012.
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2012 | Conference Paper | LibreCat-ID: 30545
Tao, J., Z. Cao, M. Sun, N. Fröhleke, and Joachim Böcker. “Full Digital Implementation of an Optimized Modulation Strategy for Series-Parallel Resonant Converter.” In PCIM Europe Conference, Nürnberg, Germany, 2012.
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2012 | Conference Paper | LibreCat-ID: 30541
Buchholz, O., S. Mathapati, and Joachim Böcker. “Boosting Dynamics of AC Machines by Using FPGA-Based Controls.” In PCIM Europe Conference, Nürnberg, Germany, 2012.
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2012 | Journal Article | LibreCat-ID: 30554
Mathapati, Shashidhar, and Joachim Böcker. “Analytical and Offline Approach to Select Optimal Hysteresis Bands of DTC for PMSM.” IEEE Transactions on Industrial Electronics 60, no. 3 (2012): 885–95. https://doi.org/10.1109/tie.2012.2189530.
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2012 | Conference Paper | LibreCat-ID: 30538
Preckwinkel, Heiko, DVMM Krishna, Norbert Fröhleke, and Joachim Böcker. “Photovoltaic Inverter with High Efficiency over a Wide Operation Area - a Practical Approach.” In IECON 2011 - 37th Annual Conference of the IEEE Industrial Electronics Society. IEEE, 2012. https://doi.org/10.1109/iecon.2011.6119432.
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2012 | Conference Paper | LibreCat-ID: 30550
Cao, Zhiyu, Junbing Tao, Norbert Fröhleke, and Joachim Böcker. “Time-Domain Steady-State Modeling of Series-Parallel Resonant Converter under Optimized Modulation.” In IECON 2012 - 38th Annual Conference on IEEE Industrial Electronics Society. IEEE, 2012. https://doi.org/10.1109/iecon.2012.6388646.
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2012 | Conference Paper | LibreCat-ID: 30531
Hu, Manli, Norbert Fröhleke, Wilhelm Peters, and Joachim Böcker. “Multi-Objective Optimization of LCC Resonant Converter Applied in VLF HV Generator.” In IECON 2011 - 37th Annual Conference of the IEEE Industrial Electronics Society. IEEE, 2012. https://doi.org/10.1109/iecon.2011.6119522.
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2012 | Conference Paper | LibreCat-ID: 30533
Cao, Zhiyu, Franklin H. Nzeugang, Norbert Fröhleke, and Joachim Böcker. “A Comparative Study of Series-Parallel Resonant Converter by Using Different Modulation Strategies.” In IECON 2011 - 37th Annual Conference of the IEEE Industrial Electronics Society. IEEE, 2012. https://doi.org/10.1109/iecon.2011.6119333.
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2012 | Conference Paper | LibreCat-ID: 30547
Solanki, Jitendra, Norbert Fröhleke, Joachim Böcker, and Peter Wallmeier. “Analysis, Design and Control of 1MW, High Power Factor and High Current Rectifier System.” In 2012 IEEE Energy Conversion Congress and Exposition (ECCE). IEEE, 2012. https://doi.org/10.1109/ecce.2012.6342604.
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2011 | Journal Article | LibreCat-ID: 29609
Wallscheid, Oliver, Wilhelm Peters, and Joachim Böcker. “Optimierte Regelung Für Mobile Elektromotoren.” Aktuelle Technik 5, no. 1 (2011): 30–33.
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2011 | Conference Paper | LibreCat-ID: 29601
Peters, Wilhelm, Oliver Wallscheid, and Joachim Böcker. “Current Controller with Defined Dynamic Behavior for an Interior Permanent Magnet Synchronous Motor.” In IECON 2011-37th Annual Conference of the IEEE Industrial Electronics Society, 534–538, 2011.
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2011 | Conference Paper | LibreCat-ID: 30323
Grote, Tobias, Heiko Figge, Norbert Fröhleke, Joachim Böcker, and Frank Schafmeister. “Digital Control Strategy for Multi-Phase Interleaved Boundary Mode and DCM Boost PFC Converters.” In Proc. IEEE Energy Conversion Congress and Exposition (ECCE), 3186–92. Phoenix, AZ, USA: IEEE, 2011.
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2011 | Conference Paper | LibreCat-ID: 30322
Figge, Heiko, Tobias Grote, Norbert Fröhleke, Joachim Böcker, and Frank Schafmeister. “Overcurrent Protection for the LLC Resonant Converter with Improved Hold-Up Time.” In Proc. 26th IEEE Applied Power Electronics Conference (APEC), 13–20. Fort Worth, TX, USA: IEEE, 2011.
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2011 | Conference Paper | LibreCat-ID: 30534
Lv, J., Z. Cao, N. Fröhleke, Joachim Böcker, H. Yuan, and H. Mi. “Thermal-Electrical Modeling and Simulation of Resonantly Operated DC-DC Converters Based on Extended Describing Function Method.” In Proceedings of the 2011 14th European Conference on Power Electronics and Applications, 2011.
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2011 | Conference Paper | LibreCat-ID: 30535
Peters, W., T. Huber, and Joachim Böcker. “Control Realization for an Interior Permanent Magnet Synchronous Motor (IPMSM) in Automotive Drive Trains.” In PCIM 2011, Nürnberg, Deutschland, 2011.
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2011 | Conference Paper | LibreCat-ID: 30532
Hu, M., Joachim Böcker, and N. Fröhleke. “Frequency / Duty Cycle Current-Mode Fuzzy Control for LCC Resonant Converter.” In EPE2011, Birmingham, UK, 2011.
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2010 | Conference Paper | LibreCat-ID: 30516
Paiz, C., J. Hagemeyer, C. Pohl, M. Porrmann, U. Rückert, B. Schulz, W. Peters, and Joachim Böcker. “FPGA-Based Realization of Self-Optimizing Drive-Controllers.” In 2009 35th Annual Conference of IEEE Industrial Electronics. IEEE, 2010. https://doi.org/10.1109/iecon.2009.5415402.
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2010 | Conference Paper | LibreCat-ID: 30523
Romaus, Christoph, Kai Gathmann, and Joachim Böcker. “Optimal Energy Management for a Hybrid Energy Storage System for Electric Vehicles Based on Stochastic Dynamic Programming.” In 2010 IEEE Vehicle Power and Propulsion Conference. IEEE, 2010. https://doi.org/10.1109/vppc.2010.5728979.
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2010 | Conference Paper | LibreCat-ID: 30524
Pohlenz, Daniel, and Joachim Böcker. “Efficiency Improvement of an IPMSM Using Maximum Efficiency Operating Strategy.” In Proceedings of 14th International Power Electronics and Motion Control Conference EPE-PEMC 2010. IEEE, 2010. https://doi.org/10.1109/epepemc.2010.5606831.
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2010 | Conference Paper | LibreCat-ID: 30525
Specht, Andreas, and Joachim Böcker. “Observer for the Rotor Temperature of IPMSM.” In Proceedings of 14th International Power Electronics and Motion Control Conference EPE-PEMC 2010. IEEE, 2010. https://doi.org/10.1109/epepemc.2010.5606818.
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2010 | Conference Paper | LibreCat-ID: 30526
Schneider, T., C. Schulte, S. Mathapati, and Joachim Böcker. “Energy Transfer with Doubly-Excited Switched Reluctance Drive.” In SPEEDAM 2010. IEEE, 2010. https://doi.org/10.1109/speedam.2010.5545160.
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2010 | Conference Paper | LibreCat-ID: 30521
Cao, Z., M. Hu, N. Fröhleke, and Joachim Böcker. “Modeling and Control Design for a Very Low-Frequency High-Voltage Test System.” In IEEE TRANSACTIONS ON POWER ELECTRONICS 25(2), 2010. https://doi.org/10.1109/TPEL.2009.2033600.
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2010 | Journal Article | LibreCat-ID: 43503
Kröger, Claus, Joachim Böcker, and Konstantin Neiß. “Elektromobilität — ein aktuelles Forschungsfeld insbesondere der Regelungstechnik.” at - Automatisierungstechnik 58, no. 10 (2010): 542–45. https://doi.org/10.1524/auto.2010.9082.
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2010 | Journal Article | LibreCat-ID: 43502
Böcker, Joachim, Tobias Huber, Wilhelm Peters, Daniel Pohlenz, and Andreas Specht. “Regelung elektrischer Traktionsantriebe in Elektro- und Hybridfahrzeugen.” at - Automatisierungstechnik 58, no. 10 (2010): 599–608. https://doi.org/10.1524/auto.2010.0871.
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2009 | Conference Paper | LibreCat-ID: 30319
Grote, Tobias, FHeiko Figge, Norbert Fröhleke, Winfried Beulen, Frank Schafmeister, Peter Ide, and Joachim Böcker. “Semi-Digital Interleaved PFC Control with Optimized Light Load Efficiency.” In Proc. 24th IEEE Applied Power Electronics Conference (APEC), 1722–27. Washington D.C., USA: IEEE, 2009.
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2009 | Conference Paper | LibreCat-ID: 30320
Grote, Tobias, Frank Schafmeister, Heiko Figge, Norbert Fröhleke, Peter Ide, and Joachim Böcker. “Adaptive Digital Slope Compensation for Peak Current Mode Control.” In Proc. IEEE Energy Conversion Congress and Exposition (ECCE), 3523–29. San Jose, CA, USA: IEEE, 2009.
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2009 | Conference Paper | LibreCat-ID: 30502
Schneider, T., B. Schulz, C. Henke, K. Witting, D. Steenken, and Joachim Böcker. “Energy Transfer via Linear Doubly-Fed Motor in Different Operating Modes.” In 2009 IEEE International Electric Machines and Drives Conference. IEEE, 2009. https://doi.org/10.1109/iemdc.2009.5075267.
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2009 | Conference Paper | LibreCat-ID: 30515
Romaus, C., Joachim Böcker, K. Witting, A. Seifried, and O. Znamenshchykov. “Optimal Energy Management for a Hybrid Energy Storage System Combining Batteries and Double Layer Capacitors.” In 2009 IEEE Energy Conversion Congress and Exposition. IEEE, 2009. https://doi.org/10.1109/ecce.2009.5316428.
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2009 | Conference Paper | LibreCat-ID: 30513
Hu, M., N. Fröhleke, and Joachim Böcker. “Small-Signal Model and Control Design of LCC Resonant Converter with a Capacitive Load Applied in Very Low Frequency High Voltage Test System.” In IEEE Energy Conversion Congress and Expo (ECCE), San Jose, USA, 2009, 2009. https://doi.org/10.1109/ECCE.2009.5316299.
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2009 | Conference Paper | LibreCat-ID: 30507
Cao, Z., N. Fröhleke, and Joachim Böcker. “Control Design for a Very Low-Frequency High-Voltage Test System.” In 13th European Conference on Power Electronics and Applications (EPE2009), Barcelona, Spain, 2009. https://doi.org/10.1109/ECCE.2009.5316441.
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2009 | Conference Paper | LibreCat-ID: 30504
Peters, W., B. Schulz, S. Mathapati, and Joachim Böcker. “Regular-Sampled Current Measurement in AC Drives Using Delta-Sigma Modulators.” In 13th European Conference on Power Electronics and Applications, Barcelona, Spain , 2009.
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2009 | Conference Paper | LibreCat-ID: 30514
Hu, M., Norbert Fröhleke, and Joachim Böcker. “Frequency / Duty Cycle Control of LCC Resonant Converter Supplying High Voltage Very Low Frequency Test Systems.” In 13th European Conference on Power Electronics and Applications (EPE2009), Barcelona, Spain, 2009.
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2009 | Conference Paper | LibreCat-ID: 30509
Cao, Z., N. Fröhleke, and Joachim Böcker. “Converter and Control Design for Very Low-Frequency High-Voltage Test Systems.” In IEEE Energy Conversion Congress and Expo (ECCE), San Jose, USA, 2009. https://doi.org/10.1109/ECCE.2009.5316441.
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2009 | Conference Paper | LibreCat-ID: 30505
Cao, Z., N. Fröhleke, and Joachim Böcker. “Design of a Resonant Converter for Very Low-Frequency High-Voltage Test Systems.” In Proc. of the PCIM China Conference, Shanghai, 2009, 2009.
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2009 | Conference Paper | LibreCat-ID: 30517
Grote, T., Frank Schafmeister, H. Figge, N. Fröhleke, P. Ide, and Joachim Böcker. “Adaptive Digital Slope Compensation for Peak Current Mode Control.” In 2009 IEEE Energy Conversion Congress and Exposition. IEEE, 2009. https://doi.org/10.1109/ecce.2009.5316380.
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