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518 Publications
2004 | Conference Paper | LibreCat-ID: 30438
R. Li, A. Pottharst, N. Fröhleke, and J. Böcker, “Analysis and Design of Improved Isolated Full-Bridge Bi-Directional DC-DC Converter,” presented at the PESC 2004, Aachen, Germany, 2004.
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2004 | Conference Paper | LibreCat-ID: 30440
A. Pottharst, B. Schulz, and J. Böcker, “Kommunikationssystem einer Anlage mit doppelt gespeistem Linearmotor,” presented at the SPS/IPC/DRIVES 2004, Nürnberg, Deutschland, 2004.
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2004 | Conference Paper | LibreCat-ID: 30436
C. Kauczor, T. Schulte, and H. Grotstollen, “Piezoelectric Transformer of Travelling Wave Type,” presented at the ACTUATOR 2004, Bremen, Germany, 2004.
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2004 | Dissertation | LibreCat-ID: 30442
B. Yang, Regelung der Längs- und Vertikalbewegung des Linearmotors für ein vollaktives spurgeführtes Bahnfahrzeug. 2004.
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2004 | Dissertation | LibreCat-ID: 30441
T. Schulte, Stromrichter- und Regelungskonzepte für Ultraschall-Wanderwellenmotoren. 2004.
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2004 | Conference Paper | LibreCat-ID: 29921 | 
J. Böcker, “Advanced Hysteresis Control of Brushless DC Motors,” presented at the Germany-Korea Symposium, Aachen, Germany, 2004.
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2003 | Conference Paper | LibreCat-ID: 30307
F. Schafmeister and J. Kolar, “Novel Modulation Schemes Minimizing the Switching Losses of Sparse Matrix Converters,” in Proc. IEEE Annual Industrial Electronics Society Conference (IECON), Roanoke, VA, USA, 2003, pp. 2085–2090.
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2003 | Journal Article | LibreCat-ID: 30306
F. Schafmeister, M. Baumann, and J. Kolar, “Analytically Closed Calculation of the Conduction Losses of Three-Phase AC-AC Sparse Matrix Converters,” EPE Journal, vol. 13, no. 1, pp. 5–14, 2003.
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2003 | Conference Paper | LibreCat-ID: 30418
F. Schafmeister, S. Herold, and J. W. Kolar, “Evaluation of 1200 V-Si-IGBTs and 1300 V-SiC-JFETs for application in three-phase very sparse matrix AC-AC converter systems,” 2003, doi: 10.1109/apec.2003.1179222.
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2003 | Conference Paper | LibreCat-ID: 30421
H. Njiende, N. Fröhleke, and W. A. Cronje, “Modeling and analysis of integrated magnetic components,” 2003, doi: 10.1109/pesc.2003.1218307.
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2003 | Conference Paper | LibreCat-ID: 30426
B. Yang, M. Meyer, and H. Grotstollen, “Coupled Pitch and Velocity Control of a Doubly-Fed Linear Motor, Beijing, China,” presented at the ISICT 2003, 5th International Symposium on Instrumentation and Control Technology, Beijing, China, 2003.
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2003 | Conference Paper | LibreCat-ID: 30423
B. Yang and H. Grotstollen, “Direct Torque Control of a Singled-sided Linear Induction Motor based on Sliding Mode,” 2003.
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2003 | Conference Paper | LibreCat-ID: 30422
H. Njiende, H. Wetzel, N. Fröhleke, and W. A. Cronje, “Models of integrated magnetic components for simulation based design of SMPS with SIMPLORER,” presented at the 10th European Conference on Power Electronis and Applications (EPE 2003), Toulouse, France, 2003.
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2003 | Conference Paper | LibreCat-ID: 30425
H. Njiende, N. Fröhleke, and W. A. Cronje, “Modelling of Integrated Magnetic Components for Power Electronics,” presented at the EMF 2003, The 6th International Symposium on Electric and Magnetic Fields, Aachen, Germany, 2003.
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2003 | Conference Paper | LibreCat-ID: 30427
A. Pottharst and H. Grotstollen, “Radio Based Control of a Linear Motor for the NBP Railway System,” presented at the ISICT 2003, 5th International Symposium on Instrumentation and Control Technology, Beijing, China, 2003.
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2003 | Conference Paper | LibreCat-ID: 30431
H. Wetzel, N. Fröhleke, and H. Grotstollen, “Topologies for Low-voltage Regulator Modules,” presented at the ISICT 2003, 5th International Symposium on Instrumentation and Control Technology, Beijing, China, 2003.
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2003 | Conference Paper | LibreCat-ID: 30424
B. Schulz, B. Yang, A. Pottharst, and H. Grotstollen, “Das Linearantriebssystem der NBP-Versuchsanlage,” presented at the ISCoM 2003, International Scientific Colloquium on Mechatronics, Novocherkassk, 2003.
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2003 | Dissertation | LibreCat-ID: 30428
F. Schütte, Automatisierte Reglerinbetriebnahme für elektrische Antriebe mit schwingungsfähiger Mechanik. 2003.
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2003 | Dissertation | LibreCat-ID: 30429
P. Ide, Dreiphasiger, netzfreundlicher Dreipunkt-Gleichrichter zur Speisung von Gleichspannungszwischenkreisen. 2003.
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2003 | Dissertation | LibreCat-ID: 30430
M. Henke, Antrieb mit doppeltgespeistem Linearmotor für ein spurgeführtes Bahnfahrzeug. 2003.
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2003 | Conference Paper | LibreCat-ID: 32870
J. Böcker, “Discrete-Event Converter Control,” presented at the EPE 2003, Toulouse, France, 2003.
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2002 | Journal Article | LibreCat-ID: 29998
J. Böcker, J. Janning, and H. Jebenstreit, “High dynamic control of a three-level voltage-source-converter drive for a main strip mill,” IEEE Transactions on Industrial Electronics, vol. 49, no. 5, pp. 1081–1092, 2002, doi: 10.1109/tie.2002.803220.
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2002 | Conference Paper | LibreCat-ID: 30413
H. Wetzel, N. Fröhleke, F. Meier, and P. Ide, “Comparison of low voltage topologies for voltage regulator modules,” 2002, doi: 10.1109/ias.2002.1042729.
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| DOI
2002 | Conference Paper | LibreCat-ID: 30419
H. D. Njiende and N. Fröhleke, “Optimisation of Inductors in Power Converters Feeding High Power Piezoelectric Motors,” in Journal of Electrical & Electronics Engineering, Australia, 2002, vol. 22, no. 1, pp. 25–31.
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2002 | Conference Paper | LibreCat-ID: 30411
J. Kiel, A. Bünte, and S. Beinecke, “Sensorless Speed Control of Permanent Magnet Synchronous Machines for Low Speed and Standstill,” 2002.
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2002 | Conference Paper | LibreCat-ID: 30415
C. Kauczor, T. Schulte, and N. Fröhleke, “Resonant Power Converter for Ultrasonic Piezoelectric Converter, Bremen Germany,” 2002.
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2002 | Conference Paper | LibreCat-ID: 30412
B. Yang and H. Grotstollen, “Application, Calculation and Analysis of the Doubly Fed Longstator Linear Motor for the Wheel-on-Rail NBP Test Track,” 2002.
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2002 | Conference Paper | LibreCat-ID: 30414
T. Schulte and N. Fröhleke, “PWM-Converter for Travelling Wave Type Ultrasonic Motors,” 2002.
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2002 | Conference Paper | LibreCat-ID: 30416
A. Pottharst and H. Grotstollen, “Konzept zur berührungslosen Energieübertragung mit doppeltgespeistem Langstatorlinearmotor,” 2002.
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2002 | Conference Paper | LibreCat-ID: 30417
M. Henke and H. Grotstollen, “Regelung doppeltgespeister Antriebe ohne mechanischen Lagesensor am Beispiel eines Linearmotors,” 2002.
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2001 | Conference Paper | LibreCat-ID: 30124
P. Ide, F. Schafmeister, and N. Fröhleke, “Active Common-Mode Voltage Cancellation for Three-Phase PWM Rectifier/Inverter Systems based on a New Topology,” in Proc. 16th IEEE Applied Power Electronics Conf. (APEC), Anaheim, USA, 2001, vol. 1, pp. 201–207.
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2001 | Conference Paper | LibreCat-ID: 29996 |
J. Böcker, J. Janning, and H. Jebenstreit, “High Dynamic Control of a Three-Level Voltage Source Converter Drive with Synchronous Motor and Active Front End,” presented at the EPE’01, Graz, Austria, 2001.
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2001 | Conference Paper | LibreCat-ID: 30400
P. Wallmeier, “Generalization of orthogonality principle to model solenoidal wound multiwinding transformers,” 2001, doi: 10.1109/ias.2001.955930.
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2001 | Conference Paper | LibreCat-ID: 30407
M. Henke, B. Yang, and H. Grotstollen, “Linear Drive System for the NBP Railway Carriage,” 2001.
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2001 | Conference Paper | LibreCat-ID: 30409
N. Fröhleke, D. Hahm, H. Mundinger, H. Njiende, P. Wallmeier, and H. Puder, “CAE-tool for optimizing development of switched mode power supplies,” 2001, doi: 10.1109/apec.2001.912454.
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2001 | Conference Paper | LibreCat-ID: 30408
T. Schulte and N. Fröhleke, “Improved setpoint adjustment for ultrasonic motors,” 2001, doi: 10.1109/aim.2001.936514.
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2001 | Conference Paper | LibreCat-ID: 30403
B. Yang, M. Henke, and H. Grotstollen, “Pitch analysis and control design for the linear motor of a railway carriage,” 2001, doi: 10.1109/IAS.2001.955952.
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2001 | Conference Paper | LibreCat-ID: 30406
N. Fröhleke and M. Schniedermann, “Enhanced Analysis and Design Issues of a 3 Level DC/DC Converter with Zero Voltage Zero Current Switching,” 2001.
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2001 | Conference Paper | LibreCat-ID: 30405
T. Schulte and N. Fröhleke, “Development of Power Converter for High Power Piezoelectric Motors,” 2001.
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2001 | Conference Paper | LibreCat-ID: 30404
H. D. Njiende and N. Fröhleke, “Optimization of Inductors in Power Converters Feeding High Power Piezoelectric Motors,” 2001.
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2001 | Dissertation | LibreCat-ID: 30410
P. Wallmeier, Automatisierte Optimierung von induktiven Bauelementen für Stromrichteranwendungen. 2001.
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2000 | Conference Paper | LibreCat-ID: 30396
H. Wertz and F. Schutte, “Self-tuning speed control for servo drives with imperfect mechanical load,” 2000, doi: 10.1109/ias.2000.882081.
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2000 | Conference Paper | LibreCat-ID: 30397
P. Ide, N. Froehleke, H. Grotstollen, W. Korb, and B. Margaritis, “Analysis of three-phase/three-level rectifiers at low load and discontinuous conduction mode,” 2000, doi: 10.1109/apec.2000.826105.
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2000 | Dissertation | LibreCat-ID: 30398
S. Beinecke, Online-Schätzung von mechanischen Parametern, Kennlinien und Zustandsgrößen geregelter elektrischer Antriebe . 2000.
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1999 | Conference Paper | LibreCat-ID: 30274
P. Ide, N. Froehleke, H. Grotstollen, W. Korb, and B. Margaritis, “Operation of a three-phase/three-level-rectifier in wide range and single-phase applications,” 1999, doi: 10.1109/iecon.1999.816448.
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1999 | Conference Paper | LibreCat-ID: 30277
S. Beineke and H. Wertz, “Design of extended Kalman filters for high performance position control of electrical drives,” 1999, doi: 10.1109/aim.1999.803168.
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1999 | Conference Paper | LibreCat-ID: 30279
J. Maas and T. Schulte, “High performance speed control for ultrasonic motors,” 1999, doi: 10.1109/aim.1999.803148.
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1999 | Conference Paper | LibreCat-ID: 30272
H. Wertz et al., “Computer aided commissioning of speed and position control for electrical drives with identification of mechanical load,” 1999, doi: 10.1109/ias.1999.799174.
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1999 | Conference Paper | LibreCat-ID: 30273
N. Fröhleke, R. Pieper, H. Mundinger, and H. Grotstollen, “Computer aided investigation of the auxiliary resonant commutated pole converter for wide range applications such as welding power supplies,” 1999, doi: 10.1109/iecon.1999.816530.
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1999 | Dissertation | LibreCat-ID: 30280
A. Bünte, Selbsteinstellender Antrieb mit drehmomentoptimal betriebenem Asynchronmotor. 1999.
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1999 | Conference Paper | LibreCat-ID: 30278
T. Schulte and N. Fröhleke, “Parameter identification of ultrasonic motors,” 1999, doi: 10.1109/aim.1999.803149.
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1998 | Conference Paper | LibreCat-ID: 30270
F. Schutte, S. Beineke, and H. Grotstollen, “Knowledge based controller selection for electrical drives with imperfect mechanic,” 1998, doi: 10.1109/iecon.1998.722864.
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1998 | Dissertation | LibreCat-ID: 30271
J. Maas, Modellierungund Regelung stromrichtergespeister Ultraschall-Wanderwellenmotoren. 1998.
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1998 | Conference Paper | LibreCat-ID: 30267
S. Beinke, H. Wertz, F. Schutte, H. Grotstollen, and N. Fröhleke, “Identification of nonlinear two-mass systems for self-commissioning speed control of electrical drives,” 1998, doi: 10.1109/iecon.1998.724071.
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1998 | Conference Paper | LibreCat-ID: 30268
P. Wallmeier, J. Richter, N. Fröhleke, H. Grotstollen, L. Langemeyer, and B. Margaritis, “A high efficiency single-phase power factor corrected switched mode rectifier,” 1998, doi: 10.1109/iecon.1998.724175.
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1998 | Conference Paper | LibreCat-ID: 30266
P. Wallmeier, N. Fröhleke, and H. Grotstollen, “Improved analytical modeling of conductive losses in gapped high-frequency inductors,” 1998, doi: 10.1109/ias.1998.730254.
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1998 | Conference Paper | LibreCat-ID: 30269
P. Wallmeier, N. Fröhleke, and H. Grotstollen, “Automated optimization of high frequency inductors,” 1998, doi: 10.1109/iecon.1998.724147.
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1997 | Conference Paper | LibreCat-ID: 30243
P. Ide, N. Froehleke, and H. Grotstollen, “Investigation of low cost control schemes for a selected 3-level switched mode rectifier,” 1997, doi: 10.1109/intlec.1997.645920.
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1997 | Conference Paper | LibreCat-ID: 30241
P. Ide, N. Froehleke, and H. Grotstollen, “Comparison of selected 3-phase switched mode rectifiers,” 1997, doi: 10.1109/intlec.1997.646061.
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1997 | Conference Paper | LibreCat-ID: 30244
J. Sun and H. Grotstollen, “Fast time-domain simulation by waveform relaxation methods,” 1997, doi: 10.1109/pesc.1996.548800.
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1997 | Conference Paper | LibreCat-ID: 30247
S. Beineke, F. Schutte, and H. Grotstollen, “Online identification of nonlinear mechanics using extended Kalman filters with basis function networks,” 1997, doi: 10.1109/iecon.1997.671069.
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1997 | Conference Paper | LibreCat-ID: 30250
S. Beineke, F. Schutte, H. Wertz, and H. Grotstollen, “Comparison of parameter identification schemes for self-commissioning drive control of nonlinear two-mass systems,” 1997, doi: 10.1109/ias.1997.643068.
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1997 | Conference Paper | LibreCat-ID: 30251
J. Maas and H. Grotstollen, “Averaged model of inverter-fed ultrasonic motors,” 1997, doi: 10.1109/pesc.1997.616802.
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1997 | Conference Paper | LibreCat-ID: 30248
F. Schutte, S. Beineke, A. Rolfsmeier, and H. Grotstollen, “Online identification of mechanical parameters using extended Kalman filters,” 1997, doi: 10.1109/ias.1997.643069.
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1997 | Conference Paper | LibreCat-ID: 30249
J. Maas, T. Schulte, and H. Grotstollen, “Optimized drive control for inverter-fed ultrasonic motors,” 1997, doi: 10.1109/ias.1997.643144.
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1997 | Conference Paper | LibreCat-ID: 30245
P. Wallmeier and H. Grotstollen, “Magnetic shielding applied to high-frequency inductors,” 1997, doi: 10.1109/ias.1997.629003.
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1997 | Conference Paper | LibreCat-ID: 30254
A. Fiedler and H. Grotstollen, “Simulation of power electronic circuits with principles used in wave digital filters,” 1997, doi: 10.1109/ias.1995.530613.
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1997 | Conference Paper | LibreCat-ID: 29994
S. Scheffler and J. Böcker, “Application of Neural Networks for Control of Four-Quadrant Converters in Railway Propulsion Systems Applications of Neural Adaptive Control Technology,” in Applications of Neural Adaptive Control Technology, Berlin, Germany, 1997, vol. 17, pp. 281–302.
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1997 | Dissertation | LibreCat-ID: 30253
M. Ruff, Ein automatisiertes Verfahren zur Off-line-Identifikation der elektrischen Parameter von pulswechselrichtergespeisten Asynchronmotoren. 1997.
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1997 | Dissertation | LibreCat-ID: 30851
A. Fiedler, Beiträge zur Entwicklung von Gleichstromumrichtern mit geringer Ausgangsspannung. 1997.
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1997 | Conference Paper | LibreCat-ID: 30246
N. Fröhleke, H. Mundinger, S. Beineke, P. Wallmeier, and H. Grotstollen, “Resonant transition switching welding power supply,” 1997, doi: 10.1109/iecon.1997.671804.
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1997 | Conference Paper | LibreCat-ID: 30242
P. Wallmeier, N. Fröhleke, J. Richter, P. Ide, and H. Grotstollen, “A critical comparison of boost-topologies for single-phase switched mode rectifiers,” 1997, doi: 10.1109/intlec.1997.646060.
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1996 | Conference Paper | LibreCat-ID: 30070
J. Sun and H. Grotstollen, “Symbolic analysis of switching power converters based on a general averaging method,” 1996, doi: 10.1109/pesc.1996.548633.
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1996 | Conference Paper | LibreCat-ID: 30072
J. Sun and H. Grotstollen, “A symbolic computation package for averaged analysis of power electronic systems,” 1996, doi: 10.1109/apec.1996.500428.
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1996 | Conference Paper | LibreCat-ID: 30061
M. Ruff and H. Grotstollen, “Off-line identification of the electrical parameters of an industrial servo drive system,” 1996, doi: 10.1109/ias.1996.557017.
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1996 | Conference Paper | LibreCat-ID: 30068
A. Bunte, H. Grotstollen, and P. Krafka, “Field weakening of induction motors in a very wide region with regard to parameter uncertainties,” 1996, doi: 10.1109/pesc.1996.548695.
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1996 | Conference Paper | LibreCat-ID: 30056
J. Maas and H. Grotstollen, “Cascaded control scheme for speed variable ultrasonic drives,” 1996, doi: 10.1109/ias.1996.557064.
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1996 | Conference Paper | LibreCat-ID: 30069
J. Sun and H. Grotstollen, “Fast time-domain simulation by waveform relaxation methods,” 1996, doi: 10.1109/pesc.1996.548800.
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1996 | Conference Paper | LibreCat-ID: 30067
J. Maas and H. Grotstollen, “Dynamic analysis of inverter-fed ultrasonic motors,” 1996, doi: 10.1109/pesc.1996.548822.
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1996 | Conference Paper | LibreCat-ID: 30066
J. Sun, S. Beineke, and H. Grotstollen, “Optimal PWM based on real-time solution of harmonic elimination equations Publisher: IEEE PDF,” 1996.
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1996 | Conference Paper | LibreCat-ID: 30060
J. Sun and H. Grotstollen, “Optimized Space Vector Modulation and Regular-Sampled PWM: A Reexamination,” 1996.
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1996 | Conference Paper | LibreCat-ID: 30062
N. Fröhleke, P. Wallmeier, and H. Grotstollen, “Investigation of Active-Clamped Topologies for Low Output Voltage dc/dc-Modules,” 1996.
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1996 | Conference Paper | LibreCat-ID: 30064
J. Maas and H. Grotstollen, “ Characteristics of Inverter-Fed Ultrasonic Motors - Optimization of Stator/Rotor-Interface,” 1996.
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1996 | Conference Paper | LibreCat-ID: 30055
N. Fröhleke, J. Richter, P. Wallmeier, and H. Grotstollen, “Soft switching forward-flyback converter with one magnetic component and current doubler rectification circuit,” 1996, doi: 10.1109/ias.1996.560225.
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1996 | Conference Paper | LibreCat-ID: 30054
J. Sun, N. Fröhleke, and H. Grotstollen, “Harmonic reduction techniques for single-switch three-phase boost rectifiers,” 1996, doi: 10.1109/ias.1996.560234.
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1996 | Conference Paper | LibreCat-ID: 30071
H. Grotstollen and A. Bünte, “Control of induction motor with orientation on rotor flux or on stator flux in a very wide field weakening region-experimental results,” 1996, doi: 10.1109/isie.1996.551065.
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1995 | Journal Article | LibreCat-ID: 30050
H. Grotstollen and J. Wiesing, “Torque capability and control of a saturated induction motor over a wide range of flux weakening,” IEEE Transactions on Industrial Electronics, vol. 42, no. 4, pp. 374–381, 1995, doi: 10.1109/41.402476.
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1995 | Conference Paper | LibreCat-ID: 30052
B. Becker, H. Grotstollen, and L. Heinemann, “Computer aided design and modeling of high frequency magnetic components,” 1995, doi: 10.1109/apec.1995.468970.
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1995 | Conference Paper | LibreCat-ID: 30041
A. Fiedler and H. Grotstollen, “Simulation of power electronic circuits with principles used in wave digital filters,” 1995, doi: 10.1109/ias.1995.530613.
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1995 | Conference Paper | LibreCat-ID: 30048
A. Fiedler and H. Grotstollen, “Investigation of asymmetrical phase-shifted full bridge [power convertors],” 1995, doi: 10.1109/iecon.1995.483448.
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1995 | Conference Paper | LibreCat-ID: 30049
J. Maas, P. Ide, N. Fröhleke, and H. Grotstollen, “Simulation model for ultrasonic motors powered by resonant converters,” 1995, doi: 10.1109/ias.1995.530291.
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1995 | Conference Paper | LibreCat-ID: 30040
N. Fröhleke, A. Fiedler, H. Grotstollen, and B. Margaritis, “Investigation of PWM controlled, resonant transition converters with asymmetrical duty cycle,” 1995, doi: 10.1109/iecon.1995.485666.
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1995 | Dissertation | LibreCat-ID: 30051
J. Sun, Optimal pulsewidth modulation techniques for high-power voltage-source inverter. 1995.
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1995 | Conference Paper | LibreCat-ID: 29990 |
J. Böcker, C. Endrikat, and S. Liu, “A Systematic Approach to State Feedback Controller Design for DC/DC Line-Side Traction Converters,” in EPE’95, Sevilla, Sevilla, Spain, 1995, vol. 1, pp. 314–318.
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1995 | Journal Article | LibreCat-ID: 29992 |
J. Janning, J. Böcker, K. Anbuhl, and M. Boni, “Netzkupplungsumrichter Jübek – Regelung,” Elektrische Bahnen, no. 6, pp. 177–212, 1995.
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1994 | Conference Paper | LibreCat-ID: 30025
J. Sun and I. Grotstollen, “Pulsewidth modulation based on real-time solution of algebraic harmonic elimination equations,” 1994, doi: 10.1109/iecon.1994.397753.
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1994 | Conference Paper | LibreCat-ID: 30021
M. Ruff, A. Bunte, and H. Grotstollen, “A new self-commissioning scheme for an asynchronous motor drive system,” 1994, doi: 10.1109/ias.1994.345457.
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1994 | Conference Paper | LibreCat-ID: 30027
J. Sun, S. Beineke, and H. Grotstollen, “DSP-based real-time harmonic elimination of PWM inverters,” 1994, doi: 10.1109/pesc.1994.349664.
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1994 | Conference Paper | LibreCat-ID: 30026
L. Heinemann, R. Schulze, P. Wallmeier, and H. Grotstollen, “Modeling of high frequency inductors,” 1994, doi: 10.1109/pesc.1994.373782.
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1994 | Conference Paper | LibreCat-ID: 30023
N. Fröhleke, B. Becker, H. Grotstollen, B. Magaritis, and L. Vollmer, “Analysis and design of isolated high power boost topologies and simulations with quasi-static and quasi-stationary transformer models,” 1994, doi: 10.1109/ias.1994.377539.
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