Papers in conference/workshop proceedings

88.C.M Hackl, J. Kullick and N. Monzen, "Generic loss minimization for nonlinear synchronous machines by analytical computation of optimal reference currents considering copper and iron losses", accepted for publication in Proceedings of the 22nd IEEE International Conference on Industrial Technology (ICIT), Special Session: Electrical Drives for Electric Mobility and Green Energy, 2021.
87.A. Glac, V. Šmídl, Z. Peroutka, C.M. Hackl, “Comparison of IPMSM Parameter Estimation Methods for Motor Efficiency”, in Proceedings of the 46th Annual Conference of the IEEE Industrial Electronics Society (IECON 2020), 2020.
86.M. Saegmueller, C. Hackl, R. Witzmann and R. Richter, “Analytic Solutions for Minimum Conduction Loss Modulation of Dual Active Bridge Converters Including Frequency Variation”, in Proceedings of the 46th Annual Conference of the IEEE Industrial Electronics Society (IECON 2020), 2020.
85.S.-W. Su, R. Kennel, C.M. Hackl, “Analytical flux linkage approximation prototypes for reluctance synchronous machines”, in Proceedings of the 2020 International Symposium on Power Electronics, Electrical Drives, Automation and Motion (SPEEDAM), 2020.
84.M. Ahmed, M. Abdelrahem, R. Kennel and C.M. Hackl, “A robust maximum power point tracking based model predictive control and extended Kalman filter for PV systems”, in Proceedings of the 2020 International Symposium on Power Electronics, Electrical Drives, Automation and Motion (SPEEDAM), 2020.
83.O. Kalmbach, C.M. Hackl and F. Rojas, “A Generic Switching State-Space Model for Modular Multilevel Converters”, in Proceedings of the 2020 IEEE 11th International Symposium on Power Electronics for Distributed Generation Systems (PEDG 2020), 2020.
82.T. Kreppel, F. Rojas and C.M. Hackl, “Extended Model of Half-Bridge Cell for Open Circuit Fault Detection in Modular Multilevel Converters using Sliding Mode Observers”, in Proceedings of the 2020 IEEE 11th International Symposium on Power Electronics for Distributed Generation Systems (PEDG 2020), 2020.
81.M. Ahmed, M. Abdelrahem, R. Kennel, C.M. Hackl, “Maximum Power Point Tracking Based Model Predictive Control and Extended Kalman Filter Using Single Voltage Sensor for PV Systems”, in Proceedings of the 2020 IEEE 29th International Symposium on Industrial Electronics (ISIE), 2020.
80.M. Abdelrahem, R. Kennel, C.M. Hackl, J. Rodríguez, "Simple and Robust Finite-Control-Set Model Predictive Control for DFIGs in Wind Turbine Systems", 2020 11th Power Electronics, Drive Systems, and Technologies Conference (PEDSTC), 2020.
79.M. Ahmed, M. Abdelrahem, R. Kennel, C.M. Hackl, "An Enhanced Maximum Power Point Tracking Based Finite-Control-Set Model Predictive Control for PV Systems", 2020 11th Power Electronics, Drive Systems, and Technologies Conference (PEDSTC), 2020.
78.M. Abdelrahem, C. Hackl, R. Kennel, J. Rodriguez, "Sensorless Predictive Speed Control of Permanent-Magent Synchronous Generators in Wind Turbine Applications", PCIM Europe, 2019.
77.M. Abdelrahem, C. Hackl, A. Farhan, R. Kennel, "Finite-Set MRAS Observer for Encoderless Control of PMSGs in Wind Turbine Applications", 2019 IEEE Conference on Power Electronics and Renewable Energy (CPERE), 2019.

76.

M. Abdelrahem, C.M. Hackl, M. Dal, R. Kennel and J. Rodriguez, “Efficient Finite-Position-Set MRAS Observer for Encoder-less Control of DFIGs”, in Proceedings of the 5th Symposium on Predictive Control of Electrical Drives and Power Electronics (PRECEDE), Pilsen, Czech Republic, 2019.
75.M. Abdelrahem, C.M. Hackl, R. Kennel and J. Rodriguez, “Sensorless Predictive Speed Control of Permanent-Magnet Synchronous Generators in Wind Turbine Applications”, in Proceedings of the International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management (PCIM Europe 2019), Nuremberg, Germany, 2019.
74.H. Eldeeb, C.M. Hackl, M. Abdelrahem, and A. Abdel-Khalik, “Enhanced Electromechanical Modeling of Asymmetrical Dual Three-Phase IPMSM Drives”, in Proceedings of the 2018 IEEE International Symposium on Industrial Electronics (ISIE 2018), Cairns, Australia, 2018.
73.K. Schechner and C.M. Hackl, "Detection of rotational periodic torque deviations in variable-speed wind turbine systems using disturbance observer and phase-locked loop", TORQUE 2018, Milano, 2018.
72.M. Abdelrahem, P. Catterfeld, C.M. Hackl, and R. Kennel, “A Sliding-Mode-Observer for Encoderless Direct Model Predictive Control of PMSGs”, in Proceedings of the International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management (PCIM Europe 2018), Nuremberg, Germany, 2018.
71.M. Abdelrahem, H. Eldeeb , C. Hackl, R. Kennel, and J. Rodriguez, "Computationally Efficient Predictive Direct Torque Control Strategy for PMSGs Without Weighting Factors", PCIM Europe 2018, Nuremberg, 2018. 
70.M. Espinoza, M. Diaz, E.E. González, C.M. Hackl and R. Cardenas, “Control Strategies for Modular Multilevel Converters Driving Cage Machines”, in Proceedings of 3rd IEEE Southern Power Electronics Conference (SPEC 2017), Puerto Varas, Chile, 2017.
69.H. Eldeeb, A. Abdel-Khalik, M. Abdelrahem and C.M. Hackl, “A Unified SVPWM Realization for Minimizing Circulating Currents of Dual Three Phase Machines”, in Proceedings of the 12th IEEE International Conference on Power Electronics and Drive Systems (PEDS), Honolulu, Hawaii, USA, 2017.
68.H. Eldeeb, A.S. Abdel-Khalik, and C.M. Hackl, “Highly Efficient Fault-Tolerant Electrical Drives for Airborne Wind Energy Systems”, in Proceedings of the Airborne Wind Energy Con- ference, ALU Freiburg, Germany, 2017.
67.F. Bauer, R.M. Kennel, C.M. Hackl, F. Campagnolo, M. Patt and R. Schmehl, “Power Curve and Design Optimization of Drag Power Kites”, in Proceedings of the Airborne Wind Energy Conference, ALU Freiburg, Germany, 2017.
66.C.M. Hackl, J. Kullick, H. Eldeeb and L. Horlbeck, "Analytical computation of the optimal reference currents for MTPC/MTPA, MTPV and MTPF operation of anisotropic synchronous machines considering stator resistance and mutual inductance", to be published in Proceedings of the 19th European Conference on Power Electronics and Applications (EPE'17 ECCE Europe), Warsaw, Poland, 2017.
65.A. Birda, J. Reuss and C.M. Hackl, "Synchronous Optimal Pulse-Width Modulation with differently modulated waveform symmetry properties for feeding synchronous motor with high magnetic anisotropy", to be published in Proceedings of the 19th European Conference on Power Electronics and Applications (EPE'17 ECCE Europe), Warsaw, Poland, 2017.
64.C. Dirscherl and C.M. Hackl, "Model predictive control with analytical solution and integral error feedback of current control of doubly-fed induction generators with LC filter", to be published in Proceedings of 4th Symposium on Predictive Control of Electrical Drives and Power Electronics (PRECEDE 2017), Pilsen, Czech Republic, 2017.
63M. Abdelrahem, Z. Zhang, R. Kennel, H. Eldeeb and C.M. Hackl, "Simple and Robust Direct-Model Predictive Current Control Technique for PMSGs in Variable-Speed Wind Turbines", to be published in Proceedings of 4th Symposium on Predictive Control of Electrical Drives and Power Electronics (PRECEDE 2017), Pilsen, Czech Republic, 2017.
62.M. Abdelrahem, A. El Hafni, R. Kennel and C.M. Hackl, "Predictive Phase Locked Loop for Sensorless Control of PMSG Based Variable-Speed Wind Turbines", to be published in Proceedings of 8th IEEE International Symposium on Sensorless Control for Electrical Drives (SLED 2017), Catania, Italy, 2017.
61.M. Fakharmesh, C.M. Hackl, and R. Perini, "Instantaneous conduction and switching losses in two-level voltage source inverters", to be published in Proceedings of the IEEE International Conference on Environmental and Electrical Engineering (EEEIC 2017), Milan, Italy, pp.~xxx--xxx, 2017.
60.M. Abdelrahem, C.M. Hackl, B. Kahia and R. Kennel, "Predictive Direct Torque Control Strategy for Surface-Mounted Permanent-Magnet Synchronous Generators", to be published in Proceedings of the Conference on sustainable energy supply and energy storage systems (NEIS 2017), Hamburg, Germany, pp.~xxx--xxx, 2017.
59.H. Eldeeb, C.M. Hackl, and J. Kullick, and L. Horlbeck, "Analytical solutions for the optimal reference currents for MTPC/MTPA, MTPV and MTPF control of anisotropic synchronous machines", to be published in Proceedings of IEEE International Electric Machines and Drives Conference (IEMDC), Miami, FL, USA, 2017.
58.I. Erogl, L. Horlbeck, M. Lienkamp and C.M. Hackl, "Increasing the Overall Efficiency of Induction Motors for BEV by using the Overload Potential through Downsizing", to be published in Proceedings of IEEE International Electric Machines and Drives Conference (IEMDC), Miami, FL, USA, 2017.
57.M. Abdelrahem, C. Hackl, and R. Kennel, "Implementation of Extended Kalman Filter for PMSG Considering the Dynamics of the Mechanical System", to be published in Proceedings of the International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management (PCIM Europe 2017), Nuremberg, Germany, 2017.
56.M. Abdelrahem, C. Hackl, and R. Kennel, "A Robust Encoderless Predictive Current Control Using Novel MRAS Observer for Surface-Mounted Permanent-Magnet Synchronous Generators", to be published in Proceedings of the International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management (PCIM Europe 2017), Nuremberg, Germany, 2017.
55.H. Eldeeb, C.M. Hackl, and J. Kullick, "Efficient operation of anisotropic synchronous machines for wind energy systems", in the open access Journal of Physics: Conference Series (JPCS) on The Science of Making Torque from Wind (TORQUE 2016), Munich, Germany, 2016, doi:10.1088/1742-6596/753/11/112009;
54.M. Abdelrahem, C.M. Hackl, and R. Kennel, “Encoderless Model Predictive Control of Doubly-Fed Induction Generators in Variable-Speed Wind Turbine Systems”, in the open access Journal of Physics: Conference Series (JPCS) on The Science of Making Torque from Wind (TORQUE 2016), Munich, Germany, 2016 (doi:10.1088/1742-6596/753/11/112005;
53.K. Schechner and C.M. Hackl, "Non-ideal feedforward torque control of wind turbines: Impacts on annual energy production and gross earnings", in the open access Journal of Physics: Conference Series (JPCS) on The Science of Making Torque from Wind (TORQUE 2016), Munich, Germany, 2016 (doi:10.1088/1742-6596/753/11/112010;
52.J.C. Mitchell, M.J. Kamper and C.M. Hackl, “Small Scale Reluctance Synchronous Generator Wind-Turbine System with DC Transmission Linked Inverters", in Proceedings of the 2016 IEEE Energy Conversion Congress and Exposition (ECCE 2016), Milwaukee, USA, p. xxx-xxx, 2016 (
51.A. Ayad, M. Hashem, C. Hackl, R. Kennel, "Proportional-Resonant Controller Design for Quasi-Z-Source Inverters with LC Filters", in Proceedings of the 42nd IEEE Industrial Electronics Conference (IEEE IECON 2016), Firenze, Italy, p. xxx-xxx, 2016 (
50.Z. Zhang, R. Kennel and C.M. Hackl, "Computationally Efficient Direct Model Predictive Control for Three-Level NPC Back-to-Back Converter PMSG Wind Turbine Systems", in Proceedings of the 23rd International Symposium on Power Electronics, Electrical Drives, Automation and Drives (SPEEDAM 2016), Capri, Italy, p. xxx--xxx, 2016.
49.Z. Zhang, R. Kennel and C.M. Hackl, "Performance-Enhanced Direct Multiple-Vector Model Predictive Power Control for Grid-Tied AFEs", in Proceedings of the 2016 IEEE 8th International Power Electronics and Motion Control Conference (IPEMC-ECCE Asia), Hefei, China, p. xxx–xxx, 2016.
48.Z. Zhang, R. Kennel and C.M. Hackl, "Two Direct Torque and Power Control Methods for Back-to-Back Power Converter PMSG Wind Turbine Systems", in Proceedings of the 2016 IEEE 8th International Power Electronics and Motion Control Conference (IPEMC-ECCE Asia), Hefei, China, p. xxx–xxx, 2016.
47.C.M. Hackl, M.J. Kamper, J. Kullick, and J. Mitchel, “Current control of reluctance synchronous machines with online adjustment of the controller parameters”, in Proceedings of the 2016 IEEE International Symposium on Industrial Electronics (ISIE 2016), Santa Clara, USA, p. xxx–xxx, 2016.
46.Z. Zhang, C.M. Hackl, and R. Kennel, “FPGA Based Direct Model Predictive Current Control of PMSM Drives with Three-Level NPC Power Converter”, in Proceedings of the International Exhibition and Conference for Power Electronics, Intelligent Motion, Renewable Energy and Energy Management (PCIM Europe 2016), Nuremberg, Germany, 2016.
45.F. Bauer, C.M. Hackl, K. Smedley, R. Kennel, “Virtual-Power-Hardware-in-the-Loop Simulations in Crosswind Kite Power with Ground Generation”, to be published in Proceedings of the 2016 American Control Conference (ACC 2016), Boston, USA, p. xxx–xxx, 2016 (invited paper).
44.C.M. Hackl, A.-M. Lickert and E. Taraba, “Projektbezogen Studieren – Aktives Studieren im Team: Projektstudium Antriebstechnik”, in Proceedings of Forum der Lehre 2016, Coburg, Germany, 2016 (Invited Paper).
43.C. Dirscherl and C.M. Hackl, “Dynamic power flow in wind turbine systems with doubly-fed induction generator”, to be published in Proceedings of the 2016 IEEE International Energy Conference (ENERGYCON 2016), Leuven, Belgium, p. 1-6, 2016.
42.Z. Zhang, C.M. Hackl, M. Abdelrahem, and R. Kennel, “Voltage Sensorless Direct Model Predictive Control of 3L-NPC Back-to-Back Power Converter PMSG Wind Turbine Systems with Fast Dynamics”, in Proceedings of the 7th Power and Energy Student Summit 2016 (PESS 2016), Aachen, Germany, 2016 (Best Paper Award;
41.M. Abdelrahem, C.M. Hackl, and R. Kennel, “Model Predictive Control of Permanent Magnet Synchronous Generators in Variable-Speed Wind Turbine Systems”, Proceedings of the 7th Power and Energy Student Summit 2016 (PESS 2016), Aachen, Germany, 2016.
40.M. Abdelrahem, C.M. Hackl, Z. Zhang, and R. Kennel, “Sensorless Control of Permanent Magnet Synchronous Generators in Variable-Speed Wind Turbine Systems”, in Proceedings of the 7th Power and Energy Student Summit 2016 (PESS 2016), Aachen, Germany, 2016 (
39.L. Horlbeck and C.M. Hackl, "Analytical solution for the MTPV hyperbola including the stator resistance", in the Proceedings of the 2016 IEEE International Conference on Industrial Technology, (Taipai, Taiwan), pp. 1060-1067, 2016 (Invited paper for Special Session "Digital Control in Power Converters and Drives")
38.C.M. Hackl, "Current PI-funnel control with anti-windup for synchronous machines", Proceedings of the 54th IEEE Conference on Decision and Control, p. 1997-2004, Osaka, Japan, 2015.
37.C.M. Hackl, "Speed funnel control with disturbance observer for wind turbine systems with elastic shaft", Proceedings of the 54th IEEE Conference on Decision and Control, p. 2005-2012, Osaka, Japan, 2015.
36.C. Dirscherl, C. M. Hackl, and K. Schechner, "Pole-placement based nonlinear state-feedback control of the DC-link voltage in grid-connected voltage source power converters: A preliminary study," Proceedings of the 2015 IEEE Multi-Conference on Systems and Control, pp. 207-214, 2015.
35.C. Dirscherl, J. Fessler, C.M. Hackl, and H. Ipach, "State-feedback controller and observer design for grid-connected voltage source power converters with LCL-filter," Proceedings of the 2015 IEEE Multi-Conference on Systems and Control, pp. 215-222, 2015.
34.F. Bauer, C.M. Hackl, and K. Schechner, "DC-link control for airborne wind energy systems during pumping mode", Proceedings of the 6th International Airborne Wind Energy Conference, p. 60, Delft, Netherlands, 2015.
33.F. Bauer, C.M. Hackl, K. Smedley , R. Kennel, "On Multicopter-Based Launch and Retrieval Concepts for Lift Mode Operated Power Generating Kites", Proceedings of the 6th International Airborne Wind Energy Conference, p. 92-93 Delft, Netherlands, 2015.
32.C. Hackl, "MPC with analytical solution and integral error feedback for LTI MIMO systems and its application to current control of grid-connected power converters with LCL-filter", Proceedings of the 3rd Symposium on Predictive Control of Electrical Drives and Power Electronics (Valparaíso, Chile), 2015.
31.C. Hackl, E. Taraba und A.-M. Fleischmann, "Projektbezogen Studieren – Aktives Lernen im Team: Fachliche und überfachliche Kompetenzen von Studierenden fördern", in Proceedings of the 2. HD-MINT-Symposium Hochschuldidaktik für MINT-Fächer (Nürnberg, Germany), 2015.
30.M. Abdelrahem, C.M. Hackl, R. Kennel, "Application of extended Kalman filter to parameters estimation of doubly-fed induction generators for variable speed wind turbines", Proceedings of the 5th International Conference on Clean Electrical Power, (Taormina, Italy), pp. 236-243, 2015.
29.M. Abdelrahem, C.M. Hackl, R. Kennel, "Sensorless control of doubly-fed induction generator for variable speed wind turbines", Proceedings of the 5th International Conference on Clean Electrical Power, (Taormina, Italy), pp. 423-430, 2015.
28.C. Dirscherl, C.M. Hackl, K. Schechner, "Explicit model predictive control with disturbance observer for grid-connected voltage source power converters", Proceedings of the 2015 IEEE International Conference on Industrial Technology, (Seville, Spain), pp. 999-1006, 2015.
27.C. M. Hackl, "Funnel control for wind turbine systems", Proceedings of 2014 IEEE Multi-Conference on Systems and Control, (Antibes, France), pp. 1377-1382, 2014.
26.T. Faulwasser and C. M. Hackl, "Path-following funnel control for rigid-link revolute-joint robotic systems", Proceedings of the The 21st International Symposium on Mathematical Theory of Networks and Systems, (Groningen, Netherlands), pp. 1044-1051, 2014.
25.C. M. Hackl, "PI-funnel control with anti-windup and its application to speed control of electrical drives", Proceedings of the 52nd IEEE Conference on Decision and Control and European Control Conference, (Firenze, Italy), pp. 6250-6255, 2013.
24.C. M. Hackl, "Funnel control with disturbance observer for two-mass systems", Proceedings of the 52nd IEEE Conference on Decision and Control and European Control Conference, (Firenze, Italy), pp. 6244–6249, 2013.
23.C.M. Hackl, F. Larcher, A. Dötlinger and R.M. Kennel, "Is multiple-objective model-predictive control "optimal"?", Proceedings of PRECEDE 2013, 2nd Symposium on Predictive Control of Electrical Drives and Power Electronics, (Munich, Germany), pp. 1-8, 2013. 
22.Z. Zhang, C. Hackl, F. Wang, Z. Chen, R. Kennel, "Encoderless Model Predictive Control of Back-to-Back Converter Direct-Drive Permanent-Magnet Synchronous Generator Wind Turbine Systems", Proceedings of 15th Conference on Power Electronics and Applications EPE'13 ECCE Europe, (Lille, France), pp. 1-10, 2013.
21.C. M. Hackl and R. M. Kennel, "Position funnel control with linear internal model", Proceedings of 2012 IEEE International Conference on Control Applications/Part of 2012 Multi-Conference on Systems and Control, (Dubrovnik, Croatia), pp. 1334-1339, 2012.
20.C. M. Hackl and R. M. Kennel, "Position funnel control for rigid revolute joint robotic manipulators with known inertia matrix", in Proceedings of the 20th Mediterranean Conference on Control and Automation (Barcelona, Spain), pp. 615-620, 2012.
19.C. M. Hackl and S. Trenn, "The Bang-Bang Funnel Controller: An experimental verification", Proceedings of the 83rd Annual Meeting of the International Association of Applied Mathematics and Mechanics (GAMM 2012, Darmstadt), pp.735-736, 2012.
18.C. M. Hackl, A. G. Hofmann, and R. M. Kennel, "Funnel control in mechatronics: An overview," in Proceedings of the 50th IEEE Conference on Decision and Control and European Control Conference, (Orlando, USA), pp. 8000–8007, 2011.
17.C. M. Hackl, A. G. Hofmann, R. W. De Doncker, and R. M. Kennel, "Funnel control for speed & position control of electrical drives: A survey," in Proceedings of the 19th Mediterranean Conference on Control and Automation, (Corfu, Greece), pp. 181–188, 2011.
16.P. Landsmann, C. Hackl, and R. Kennel, "Eliminating all machine parameters in encodersless predictive torque control without signal injection," in Proceedings of the 2011 IEEE International Electric Machines and Drives Conference, (Niagara Falls, Canada), pp. 1259–1264, 2011.
15.C. Endisch, P. Stolze, P. Endisch, C. Hackl, and R. Kennel, "Levenberg-Marquardt-based OBS algorithm using adaptive pruning interval for system identification with dynamic neural networks," in Proceedings of the IEEE International Conference on Systems, Man and Cybernetics, (San Antonio, Texas, USA), pp. 3402–3408, 2009.
14.C. M. Hackl, C. Endisch, and D. Schröder, "Specially designed funnel-control in mechatronics," in Proceedings of the 5th International Conference on Computational Intelligence, Robotics and Autonomous Systems, (Linz, Austria), pp. 59–64, 2008.
13.C. M. Hackl, C. Endisch, and D. Schröder, "Applicability of funnel-control in robotics," in Proceedings of the 5th International Conference on Computational Intelligence, Robotics and Autonomous Systems, (Linz, Austria), pp. 65–70, 2008.
12.C. M. Hackl, C. Endisch, and D. Schröder, "Funnel-control in robotics: An introduction," in Proceedings of the 16th Mediterranean Conference on Control and Automation, (Ajaccio, France), pp. 913–919, 2008.
11.C. M. Hackl, C. Endisch, and D. Schröder, "Error reference control of nonlinear two-mass flexible servo systems," in Proceedings of the 16th Mediterranean Conference on Control and Automation, (Ajaccio, France), pp. 1047–1053, 2008.
10.C. M. Hackl and B. Mair, "Optimale Bahnzugregelung am Beispiel einer Papierstreichanlage," in Konferenzband des 9. Bahnlaufseminar, (TU Chemnitz, Deutschland), 2007.
9.C. M. Hackl, Y. Ji, and D. Schröder, "Nonidentifier-based adaptive control with saturated control input compensation," in Proceedings of the 15th Mediterranean Conference on Control and Automation, (Athens, Greek), 2007.
8.C. M. Hackl, Y. Ji, and D. Schröder, "Enhanced funnel-control with improved performance," in Proceedings of the 15th Mediterranean Conference on Control and Automation, (Athens, Greek), 2007.
7.C. M. Hackl and D. Schröder, "Funnel-control with online foresight," in Proceedings of the 26th IASTED International Conference MODELLING, IDENTIFICATION AND CONTROL, (Innsbruck, Austria), pp. 171–176, 2007.
6.C. M. Hackl, Y. Ji, and D. Schröder, "Funnel-control with constrained control input compensation," in Proceedings of the 9th IASTED International Conference CONTROL AND APPLICATIONS, (Montreal, Canada), pp. 147–152, 2007.
5.C. M. Hackl, H. Schuster, C. Westermaier, and D. Schröder, "Funnel-control with integrating prefilter for nonlinear, time-varying two-mass flexible servo systems," in Proceedings of the 9th International Workshop on Advanced Motion Control, (Istanbul, Turkey), pp. 456–461, 2006.
4.C. M. Hackl and D. Schröder, "Funnel-control for nonlinear multi-mass flexible systems," in Proceedings of the 32nd Annual Conference on IEEE Industrial Electronics, (Paris, France), pp. 4707–4712, 2006.
3.C. M. Hackl and D. Schröder, "Extension of high-gain controllable systems for improved accuracy," in Proceedings of the IEEE International Conference on Control Applications, (Munich, Germany), pp. 2231–2236, 2006.
2.H. Schuster, C. Hackl, C. Westermaier, and D. Schröder, "Funnel-control for electrical drives with uncertain parameters," in Proceedings of the 7th International Power Engineering Conference, (Singapore), 2005.
1.C. Hackl, H.-Y. Tang, R. Lorenz, L.-S. Turng, and D. Schröder, "A multiphysics model of planar electro-active polymer actuators," in Conference Record of the 39th IEEE Industrial Application Society Annual Meeting, vol. 3, pp. 2125–2130, 2004.