Universität Bremen - Veröffentlichungen Prof. Dr.-Ing. Amir Ebrahimi

60 Universität Bremen - Veröffentlichungen Prof. Dr.-Ing. Amir Ebrahimi https://www.uni-bremen.de/ialb/team/prof-dr-ing-amir-ebrahimi/veroeffentlichungen-prof-dr-ing-amir-ebrahimi Veröffentlichungen Ebrahimi, Amir de Universität Bremen Sat, 25 Apr 2026 01:23:49 +0200 Sat, 25 Apr 2026 01:23:49 +0200 Universität Bremen content-540952 Wed, 12 Nov 2025 09:12:42 +0100 Liste der Publikationen https://www.uni-bremen.de/ialb/team/prof-dr-ing-amir-ebrahimi/veroeffentlichungen-prof-dr-ing-amir-ebrahimi#c540952 <ol> <li> Y. Bekele, O. Korolova, A. Biebighäuser, S. Akbar, A. Ebrahimi, B. Ponick, Reducing AC Joule Losses in Hairpin Windings of Electric Machines: Strategies for Minimizing Losses Due to Radial and Tangential Flux, ECCE Energy Conversion Conference and Expo, 2025. </li> <li> Kora Winkler, Amir Ebrahimi, Distributed cast tooth-coils in electrical machines: Opportunities and Challenges, 51st Annual Conference of the IEEE Industrial Electronics Society, 2025. </li> <li>F. Kodalle, J. Ulbrich, A. Ebrahimi, Structural Dynamic Behaviour of a Linear Transverse Flux Machine, IEEE Workshop on Electrical Machines Design, Control and Diagnosis (WEMDCD), 2025.</li> <li> S. Akbar, Y. T. Bekele, A. Ebrahimi, B. Ponick, Enhanced Design and Electromagnetic Analysis of Synchronous Reluctance Machines Using Multi-Material Additive Manufacturing, IEEE International Electric Machines &amp; Drives Conference (IEMDC), 2025. </li> <li> M. Meiswinkel, A. Ebrahimi, A. Biju, Analytical Estimation of Induced Voltage in Rotating Electrical Machines, IEEE Access, 2025. </li> <li>A. Barros, A. Ebrahimi, B. Schwarz, B. Ponick,&nbsp;Determination of the Equivalent Mechanical Properties of the Stator Core for Vibration Analysis in Hydro Generators,&nbsp;27th International Conference on Electrical Machines and Systems (ICEMS), 2025.</li> <li>M. Meiswinkel, A. Ebrahimi, A. Biju,&nbsp;Analytical Estimation of Induced Voltage in Rotating Electrical Machines,&nbsp;IEEE Access,&nbsp;2025</li> <li>A. De Barros, W. Weber, A. Ebrahimi, B. Schwarz, B. Ponick, Influence of the Stator Winding on the Mechanical Eigenfrequencies of Hydro Generators, IEEE ICEM, 2024.</li> <li>J. Ulbrich, W. Holzke, A. Ebrahimi, A Method for Modelling High Frequency Effects in Electrical Machine Windings for the Use in Circuit Simulation Programmes, IEEE ICEM, 2024.</li> <li>F. Redmann, A. Ernst, A. Ebrahimi, B. Orlik, Implementation of a Droop and Synchronization Control for Grid-Forming Fictitious Synchronous Generator Controlled Power Converters in Microgrids, IEEE PEDG, 2024</li> <li>&nbsp;A. Mielach, F. Redmann, A. Ernst, A. Ebrahimi, H Raffel, Emulation of a Battery-Sourced Black Start Through Grid-Forming Control of a Converter Test Bench, IEEE PEDG, 2024</li> <li>A. De Barros, A. Ebrahimi, B. Schwarz, B. Ponick, New Method Based on Shell Elements for Fast Calculation of the Stator Eigenfrequencies and Vibrations in Hydro Generators, IEEE Access, 2024.</li> <li>A. De Barros, A. Ebrahimi, B. Schwarz, B. Ponick, Graphical Root Cause Analysis of Magnetically Induced Vibrations in Synchronous Machines, IEEE Transactions on Magnetics, 2024.</li> <li>A. Ebrahimi, Estimation of torque components of a salient pole synchronous machine, IEEE IEMDC, USA, 2023.</li> <li>A. Ebrahimi, Torque Estimation in Rotating Electrical Machines, CPEEE, Japan, 2023.</li> <li>A. de Barros, M. Gerlach, X. Huang, M. Langfermann, B. Ponick, A. Ebrahimi, Mechanical Calculation of Stator Core Vibration of Rotating Electric Machines Using an Analytical Beam Element Model, Journal Publication- IEEE Transactions on Industry Applications, 2023.</li> <li>A. Ridder, A. de Barros, D. Emmrich, A. Ebrahimi, B. Schwarz, Effect of the damper winding pole-to-pole connection on the subtransient reactance and steady-state damper current in hydro generators, IEEE IEMDC, USA, 2023.</li> <li>M. Gerlach, A. Barros, X. Huang, M. Langfermann, B. Ponick, A. Ebrahimi, The Analytical Beam Element Model: Novel Approach for Fast Calculation of Vibrations in Electrical Machines, Journal Publication- e+i Elektrotechnik und Informationstechnik, 2023.</li> <li>A. de Barros, A. Ridder, A. Ebrahimi, B. Schwarz, Estimation of the damper winding pole-to-pole impedance in hydro generators, IEEE IEMDC, USA, 2023.</li> <li>A. de Barros, M. Gerlach, X. Huang, M. Langfermann, B. Ponick, A. Ebrahimi, Calculation of Electric Machines Vibration using an Analytical Beam Element Model, International Conference on Electrical Machines (ICEM), Spain, 2022.</li> <li>A. Ebrahimi, A Contribution to the Theory of Rotating Electrical Machines, Journal Publication- IEEE Access, vol. 9, 2021.</li> <li>D. Heide, A. Ebrahimi, B. Ponick, Measurement of Parasitic High-Frequency Currents in Inverter-Fed Low-Speed Electrical Machines Using Rogowski Current Sensors, IEEE European Conference on Power Electronics and Applications (EPE), 2021.</li> <li>A. de Barros, A. Galai, A. Ebrahimi, B. Schwarz, Practical Modal Analysis of a Prototyped Hydrogenerator, Journal Publication- Journal of Vibration, vol. 4, 2021.</li> <li>S. Lin, A. Ebrahimi, J. Friebe, Impact of Electric Field on Magnetic Flux Distribution in Electrical Machines with Very Large Size, IEEE Energy Conversion Congress and Exposition (ECCE), 2021.</li> <li>M. Meiswinkel, A. Ebrahimi, C. Wohlers, T. Neschitsch, Transient Roebel Bar Force Calculation in Large Salient-Pole Synchronous Machines, Journal Publication- IEEE Access, vol. 9, 2020.</li> <li>A. Ebrahimi, Advances in Modelling and control of Wind and Hydrogenerators, Book, ISBN: 978-1-83880-533-3, April 2020.</li> <li>D. Zhang, A. Ebrahimi, C. Wohlers, J. Redlich, B. Ponick, On the Analytical Calculation of Eddy-Current Losses in Permanent Magnets of Electrical Machines (IECON), 2020.</li> <li>A. Ebrahimi, M. Meiswinkel, Modeling of Radial and Tangential Roebel Bar Force Distributions in Large Electrical Machines Considering Longitudinal Transposition, In: Bertoldi, P. (eds) Energy Efficiency in Motor Systems. Springer Proceedings in Energy. Springer, 2019.</li> <li>Rehfeldt, T. Fricke, B. Schwarz, A. Ebrahimi, B. Ponick, Semi-analytical Calculation of Field and Loss Distribution in the Tooth Tips of Electrical Machines, In: Bertoldi, P. (eds) Energy Efficiency in Motor Systems. Springer Proceedings in Energy. Springer, 2019.</li> <li>A. Ebrahimi, Challenges of developing a digital twin model of renewable energy generators, 28th IEEE International Conference on Industrial Electronics, Canada, 2019.</li> <li>A. Ebrahimi, A Novel Harmonic Current Control Algorithm for Torque Ripple Reduction of Permanent Magnet Synchronous Motors for Traction Application, IEEE International Conference on Electrical Systems IEEE (ESARS-ITEC), UK, 2018.</li> <li>A. Ebrahimi, Design Optimization of Permanent Magnet Synchronous Motors using Multilevel Ant Algorithm, 14th IEEE International Conference on Power Electronics (CIEP), Mexico, 2018.</li> <li>A. Ebrahimi, Characterization of a Large Electrical Machine Test Bench for Advanced Investigations on Wind and Hydro Generators, 4th IEEE Southern Power Electronics Conference, Singapore, 2018.</li> <li>A. Ebrahimi, Analytical Modeling of Permanent Magnetic Synchronous Motors Considering Spatial Harmonics, Brazilian Power Electronic Conference (COBEP), Brazil, 2017.&nbsp;</li> <li>A. Ebrahimi, D. Gröninger, R. Singer, U. Schneider, Control Parameter Optimization of the Actively Powerd Upper Body Exoskeleton Using Subjective Feedbacks, The 3rd International Conference on Control, Automation and Robotics (ICCAR), Japan, 2017.</li> <li>A. Ebrahimi, Stuttgart Exo-Jacket: An Exoskeleton for Industrial Upper Body Applications, International Conference on Human System Interaction, 10th International Conference on Human Systems Interactions (HIS), Korea, 2017.</li> <li>T. Rogge, U. Daub, A. Ebrahimi, Status demonstration of the interdisciplinary development regarding the upper limb exoskeleton Stuttgart Exo-Jacket, 17th Stuttgart International Symposium - Automotive and Engine Technology, Volume 2: Stuttgart. Wiesbaden: Springer Vieweg, 2017.</li> <li>T. Rogge, U. Daub, A. Ebrahimi, U. Schneider, Der interdisziplinäre Entwicklungsprozess von aktiv angetriebenen, körpergetragenen Exoskeletten für die oberen Extremitäten am Beispiel des Stuttgart Exo-Jacket, zweite interdisziplinäre Konferenz zum Thema Technische Unterstützungssysteme, die die Menschen wirklich wollen, Germany, 2016.</li> <li>O. Schwarz, A. Ebrahimi, Technologieansätze der Exoskelette für die Rehabilitation und Prävention, In: Verl, Alexander u.a.; Stuttgarter Produktionsakademie: Exoskelette: Schlüsseltechnologien, Anwendungsbeispiele und Zukunftstrends. Stuttgart, 2016.</li> <li>A. Ebrahimi, M. Maier, N. Parspour, Analysis of Torque Behavior of Permanent Magnet Synchronous Motor in Field-Weakening Operation, IEEE Power and Energy Conference, USA, 2013.</li> <li>A. Ebrahimi, F. Dreher, N. Parspour, Sensorless direct torque control of transverse flux machines with hybrid flux conduction, International Conference on power conversion and intelligent motion (PCIM), 2013.</li> <li>A. Ebrahimi, N. Parspour, Modified Analytical Modeling of Surface Mounted Permanent Magnet Synchronous Motor- Design and Prototype Tests, 4th International Conference on power engineering energy and electrical drives, 2013.</li> <li>A. Ebrahimi, N. Parspour, M. Fabian, Design and Qualitative Thermographic Comparison of Different Power Inverter Packaging, 4th International conference on power engineering, energy and drives, 2013.</li> <li>F. Dreher, A. Ebrahimi, N. Parspour, Balancing torque loss and cogging reduction at PM transverse flux machines segmented stator phases, International Conference on power conversion and intelligent motion (PCIM), 2013.</li> <li>S. Yavuz, N. Parspour, A. Ebrahimi, Design of a Switched Reluctance Machine as a Near-Wheel Motor for Electric Vehicles, International Conference on power conversion and intelligent motion (PCIM), 2013.</li> <li>A. Ebrahimi, D. Minzenmay, B. Budaker, U. Schneider, Bionic Upper Orthotics with integrated EMG sensory, 23rd IEEE International Symposium on Robot and Human interactive Communication, 2014.</li> <li>A. Ebrahimi, Auslegung eines EC-Motors für aktiv angetriebene Knieprothesen, Journal Publications- Fachzeitschrift Orthopädie-Technik, 2014.</li> <li>A. Ebrahimi, Antriebstechnik in der Medizin- und Rehabilitationstechnik In: Verl, Alexander (Hrsg.) u.a.; Stuttgarter Produktionsakademie: Antriebstechnik in der Medizin- und Rehabilitationstechnik: Seminar, 2014.</li> <li>Budaker, A. Ebrahimi, Electric motors in wearable rehabilitation devices, 3rd International Electric Drives Production Conference (EDPC), 2013.</li> <li>F. Dreher, A. Ebrahimi, N. Parspour, Optimizing the control behavior of Transverse Flux Machines by the use of hybrid flux conduction, International Conference and Exposition on Electrical and Power Engineering (EPE), 2012.</li> <li>Y. Xu, U. Vollmer, A. Ebrahimi, N. Parspour, Online estimation of the stator resistances of a PMSM with consideration of magnetic saturation, International Conference and Exposition on Electrical and Power Engineering (EPE), 2012.</li> <li>A. Ebrahimi, B. Budaker, N. Parspour, Adaption of an EC‐ motor for actively controlled knee, International Conference on Orthotics and Prosthetics, Germany, 2012.</li> </ol> Content