Oskar Wallmark oskar.wallmark@ee.kth.se School of Electrical Engineering Phone: +46 8 790 7831 (work) Electrical Energy Conversion (E2C) Fax: +46 8 205 268 Royal Institute of Technology (KTH) S-100 44 Stockholm Sweden Publications Published and accepted journal papers 1. D. Wanner, L. Drugge, A. Stensson Trigell, O. Wallmark, and M. Jonasson, "Control allocation strategies for an electric vehicle with a wheel hub motor failure," accepted for publication in International Journal of Vehicle Systems Modelling and Testing. 2. A. Krings, J. Soulard, and O. Wallmark, PWM influence on the iron losses and characteristics of a slot-less permanent magnet motor with SiFe and NiFe stator cores, accepted for publication in IEEE Transactions on Industry Applications. 3. S. Zhao, A. Lasson, O. Wallmark, and M. Leksell, Off-Vehicle Evaluation of Active Oscillation Damping Schemes, IEEE Journal of Emerging and Selected Topics in Power Electronics, vol. 2, no. 2, pp 264-271, 2014. 4. S. Nategh, A. Krings, O. Wallmark, and M. Leksell, Evaluation of impregnation materials for thermal management of liquid-cooled electric machines, IEEE Transactions on Industrial Electronics, vol. 61, no. 11, pp. 5956-5965, 2014. 5. S. Nategh, Z. Huang, O. Wallmark, M. Leksell, and A. Krings, Thermal modeling of directly cooled electric machines using lumped parameter and limited CFD analysis, IEEE Transactions on Energy Conversion, vol. 28, no. 4, pp. 979-990, 2013. 6. S. Zhao, O. Wallmark, M. Leksell, Low-speed sensorless control with reduced copper losses for saturated PMSynRel machines, IEEE Transactions on Energy Conversion, vol. 28, no. 4, pp, 841-848, 2013. 7. A. Krings, S. Nategh, O. Wallmark, and J. Soulard, Influence of the welding process on the performance of slot-less PM motors with SiFe and NiFe stator laminations, IEEE Transactions on Industry Applications, vol. 50, no. 1, pp. 296-306, 2014. 8. A. Krings, S. A. Mousavi, O. Wallmark, and J. Soulard, Temperature influence of NiFe steel laminations on the characteristics of small slot-less permanent magnet machines, IEEE Transactions on Magnetics, vol. 49, no. 7, pp. 4064-4067, 2013. 9. S. Nategh, O. Wallmark, M. Leksell, and S. Zhao, Thermal analysis of a PMaSRM using partial FEA and lumped parameter modeling, IEEE Transactions on Energy Conversion, vol. 27, no. 2, pp. 477-488, 2012. - 1 -
10. O. Wallmark, J. Galic, and H. Mosskull, Sensorless control of PMSMs adopting indirect self control, IET Journal of Electric Power Applications, vol. 6, no. 1, pp. 12-18, 2012. 11. O. Wallmark, S. Lundberg, and M. Bongiorno, Inverter admittance expressions for field-oriented controlled salient PMSM drives, IEEE Transactions on Power Electronics, vol. 27, no. 3, pp. 1514-1520, 2012. 12. O. Wallmark, P. Kjellqvist, and F. Meier, Analysis of axial leakage in high-speed slotless PM motors for industrial hand tools, IEEE Transactions on Industry Applications, vol. 45, no. 5, pp. 1815-1820, 2009. 13. O. Wallmark and P. Kjellqvist, Analysis of a low-cost air-gap winding for permanent-magnet synchronous motors, IEEE Transactions on Energy Conversion, vol. 24, no. 4, pp. 841-847, 2009. 14. M. Jonasson and O. Wallmark, Control of electric vehicles with autonomous corner modules: implementation aspects and fault handling, International Journal of Vehicle Systems Modelling and Testing, vol. 3, pp. 213-228, 2008. 15. M. Jonasson and O. Wallmark, Stability of an electric vehicle with permanentmagnet in-wheel motors during electrical faults, World Electric Vehicle Association (WEVA) Journal, vol. 1, pp. 100-107, 2007. 16. O. Wallmark, L. Harnefors, and O. Carlson, Control algorithms for a faulttolerant PMSM drive, IEEE Transactions on Industrial Electronics, vol. 54, no. 4, pp. 1973-1980, 2007. 17. O. Wallmark and L. Harnefors, Sensorless control of salient PMSM drives in the transition region, IEEE Transactions on Industrial Electronics, vol. 53, no. 4, pp. 1179-1187, 2006. 18. M. Jansson, L. Harnefors, O. Wallmark, and M. Leksell, Synchronization at startup and stable rotation reversal of sensorless nonsalient PMSM drives, IEEE Transactions on Industrial Electronics, vol. 53, no. 2, pp. 379-387, 2006. 19. O. Wallmark, L. Harnefors, and O. Carlson, An improved speed and position estimator for salient permanent-magnet synchronous motors, IEEE Transactions on Industrial Electronics, vol. 52, no. 1, pp. 255-262, 2005. Peer-reviewed conference papers 1. H. Zhang, O. Wallmark, and M. Leksell, On fault tolerance for IPM-FSCW machines adopting a modular converter, in Proc. 17 th International Conference on Electrical Machines and Systems (ICEMS 14), 2014. 2. L. Jin, S. Norrga, O. Wallmark, and M. Nikouei Harnefors, Control and modulation of the stacked polyphase bridges inverter, in Proc. 6 th Annual IEEE Energy Conversion Congress and Exposition (ECCE 14), 2014. - 2 -
3. H. Zhang, O. Wallmark, M. Leksell, S. Norrga, M. Nikouei Harnefors, and L. Jin, Machine design considerations for an MHF/SPB-converter based electric drive, in Proc. 40 th Annual Conference of the IEEE Industrial Electronics Society (IECON 14), 2014. 4. G. Tolstoy, B. Larsson, O. Wallmark, S. Norrga, and H.-P. Nee, Elimination of vector changes due to sector changes with DTC, in Proc. 16 th European Conference on Power Electronics and Applications (EPE 14-ECCE), 2014. 5. O. Wallmark, M. Nybacka, D. Malmquist, M. Burman, P. Wennhage, and P. Georén, Design and implementation of an experimental research and concept demonstration vehicle, in Proc. 10 th IEEE Vehicle Power and Propulsion Conference (VPPC 14), 2014. 6. S. Norrga, L. Jin, O. Wallmark, A. Mayer, and K. Ilves, A novel inverter topology for compact EV and HEV drive systems, in Proc. 39 th Annual Conference of the IEEE Industrial Electronics Society (IECON 13), 2013. 7. S. Zhao, A. Lasson, O. Wallmark, and M. Leksell, Off-vehicle evaluation of active oscillation damping schemes, in Proc. 5 th Annual IEEE Energy Conversion Congress and Exposition (ECCE 13), 2013. 8. A. Krings, S. Nategh, O. Wallmark, and J. Soulard, Local iron loss identification by thermal measurements on an outer rotor permanent magnet synchronous machine, in Proc. 15 th International Conference on Electrical Machines and Systems (ICEMS 12), 2012. 9. O. Wallmark, J. Galic, M. Jansson, and H. Mosskull, A robust sensorless control scheme for permanent-magnet motors in railway traction applications, in Proc. International Conference on Electrical Systems for Aircraft, Railway and Ship Propulsion (ESARS 12), 2012. 10. O. Wallmark and J. Galic, Prediction of DC-link current harmonics from PMmotor drives in railway applications, in Proc. International Conference on Electrical Systems for Aircraft, Railway and Ship Propulsion (ESARS 12), 2012. 11. A. Krings, S. Nategh, A. Stening, H. Grop, O. Wallmark, and J. Soulard, Measurement and modelling of iron losses in electrical machines, (invited paper) in Proc. 5 th International Conference on Magnetism and Metallurgy (WMM 12), 2012. 12. D. Wanner, J. Edrén, M. Jonasson, O. Wallmark, L. Drugge, and A. Stensson Trigell, Fault-tolerant control of electric vehicles with in-wheel motors through tyre-force allocation, in Proc 11 th International Symposium on Advanced Vehicle Control (AVEC 12), 2012. 13. S. Zhao and O. Wallmark, Torque dynamics in sensorless PMSM drives, in Proc. 20 th International Conference on Electrical Machines (ICEM 12), 2012. 14. A. Krings, S. Nategh, O. Wallmark, and J. Soulard, Influence of the welding processon the magnetic properties of a slot-less permanent magnet synchronous - 3 -
machine stator core, in Proc. 20 th International Conference on Electrical Machines (ICEM 12), 2012. 15. S. Nategh, A. Krings, Z. Huang, O. Wallmark, M. Leksell, and M. Lindenmo, Evaluation of stator and rotor lamination materials for thermal management of a PMaSRM, in Proc. 20 th International Conference on Electrical Machines (ICEM 12), 2012. 16. S. Nategh, O. Wallmark, and M. Leksell, Thermal analysis of permanent-magnet synchronous reluctance machines, in Proc. 14 th European Conference on Power Electronics and Applications (EPE 11-ECCE), 2011. 17. S. Zhao, S. Hagbin, O. Wallmark, M. Leksell, S. Lundmark, and O. Carlson, Transient modeling of an integrated charger for a plug-in hybrid electric vehicle, in Proc. 14 th European Conference on Power Electronics and Applications (EPE 11-ECCE), 2011. 18. S. Zhao, O. Wallmark, and M. Leksell, Analysis of a deeply saturated sensorless PMSynRel drive for an automotive application, in Proc. 14 th European Conference on Power Electronics and Applications (EPE 11-ECCE), 2011. 19. S. Nategh, V. Lassila, Z. Huang, O. Wallmark, and M. Leksell, Evaluation of alternative stator and rotor lamination materials for thermal management of permanent magnet machines, presented at the IEEE International Magnetics Conference, 2011. 20. K. Khan, S. Hagbin, M. Leksell, and O. Wallmark, Design and performance analysis of a permanent-magnet assisted synchronous reluctance machine for an integrated charger application, in Proc. 19 th International Conference on Electrical Machines, 2010. 21. S. Hagbin, M. Alaküla, K. Khan, S. Lundmark, M. Leksell, O. Wallmark, and O. Carlson, Integrated chargers for EVs and PHEVs: Examples and new solutions, in Proc. 19 th International Conference on Electrical Machines, 2010. 22. S. Hagbin, K. Khan, S. Lundmark, M. Alaküla, O. Carlson, M. Leksell, and O. Wallmark, An integrated charger charger for plug-in hybrid electric vehicles based on a special interior permanent magnet motor, in Proc. IEEE Vehicle Power and Propulsion Conference (VPPC 10), 2010. 23. K. Khan, M. Leksell, and O. Wallmark, Design aspects on magnet placement in permanent-magnet assisted synchronous reluctance machines, in Proc. 5 th IET International Conference on Power Electronics, Machines and Drives, 2010. 24. O. Wallmark, P. Kjellqvist, and F. Meier, Analysis of axial leakage in high-speed slotless PM motors for industrial hand tools, in Proc. 43 rd IEEE Industry Applications Society Annual Meeting, 2008. 25. M. Jonasson and O. Wallmark, Stability of an electric vehicle with permanentmagnet in-wheel motors during electrical faults, in Proc. 22 nd International - 4 -
Battery, Hybrid and Fuel Cell Electric Vehicle Symposium and Exposition (EVS 22), 2006, pp. 1248-1259. 26. O. Wallmark, L. Harnefors, and O. Carlson, Control algorithms for a faulttolerant PMSM drive, in Proc. 31 st Annual Conference of the IEEE Industrial Electronics Society (IEEE IECON 05), 2005, pp. 1467-1473. 27. O. Wallmark, L. Harnefors, and O. Carlson, Post-fault operation of fault-tolerant inverters for PMSM drives, in Proc. 11 th European Conference on Power Electronics and Applications (EPE 05), 2005. 28. O. Wallmark, O. Carlson, and L. Harnefors, Loss minimization of a PMSM drive for a hybrid electric vehicle, in Proc. 11 th International Conference on Power Electronics and Motion Control (EPE PEMC 04), vol. 6, 2004, pp. 160-164. 29. O. Wallmark, L. Harnefors, and O. Carlson, Sensorless control of PMSM drives for hybrid electric vehicles, in Proc. 35 th Annual IEEE Power Electronics Specialists Conference (IEEE PESC 04), vol. 5, 2004, pp. 4017-4023. 30. O. Wallmark, Modelling of permanent-magnet synchronous machines with nonsinusoidal flux linkage, in Proc. IEEE Nordic Workshop on Power and Industrial Electronics (IEEE NorPIE 02), 2002. Non peer-reviewed publications 1. O. Wallmark, KTH Royal Institute of Technology A JMAG partner university JMAG Newsletter, June, pp. 21-22, 2014. Theses O. Wallmark, Control of Permanent-Magnet Synchronous Machines in Automotive Applications, Ph. D. thesis, Chalmers University of Technology, Göteborg, Sweden, 2006. O. Wallmark, On Control of Permanent-Magnet Synchronous Motors in Hybrid- Electric Vehicle Applications, Lic. thesis, Chalmers University of Technology, Göteborg, Sweden, 2004. O. Wallmark, Control of a Permanent Magnet Synchronous Motor with Non- Sinusoidal Flux Density Distribution, M. Sc. thesis, Chalmers University of Technology, Göteborg, Sweden, 2001. - 5 -