Publications

A complete and most recent list of publications kann be found at:

Book contributions

14.C.M. Hackl, J. Kullick and N. Monzen, “Optimale Betriebsführung von nichtlinearen Synchronmaschinen”, in Elektrische Antriebe – Regelung von Antriebssystemen (5. Auflage), Springer-Verlag, 2020.
13.C.M. Hackl, J. Kullick and P. Landsmann, “Nichtlineare Stromregelverfahren für Reluktanz-Synchronmaschinen”, in Elektrische Antriebe – Regelung von Antriebssystemen (5. Auflage), Springer-Verlag, 2020.
12.C.M. Hackl, “Dynamische Reibungsmodellierung: Das Lund-Grenoble-Reibmodell (LuGre-Reibmodell)”, in Elektrische Antriebe – Regelung von Antriebssystemen (5. Auflage), Springer-Verlag, 2020 [überarbeitetes Kapitel].
11.C.M. Hackl, C. Dirscherl and K. Schechner, “Modellierung und Regelung von modernen Windkraftanlagen: Eine Einführung”, in Elektrische Antriebe – Regelung von Antriebssystemen (5. Auflage), Springer-Verlag, 2020 [überarbeitetes Kapitel].
10.C. M. Hackl, “Non-identifier based adaptive control in mechatronics: Theory and application”, Berlin: Springer-Verlag, DOI: 10.1007/978-3-319-55036-7, 2017 (Publication date: May 2017, see https://www.springerprofessional.de/non-identifier-based-adaptive-control-in-mechatronics/12290362).
9.K. Schechner, F. Bauer and C.M. Hackl, “Nonlinear DC-link PI control for airborne wind energy systems during pumping mode”, accepted for publication as chapter in the book “Airborne Wind Energy: Advances in Technology Development and Research” (Editor: R. Schmehl), Springer-Verlag, 2018.
8.F. Bauer, C.M. Hackl, K. Smedley, R. Kennel, “On Multicopter-Based Launching and Landing of Lift Power Kites”, accepted for publication as chapter in the book “Airborne Wind Energy: Advances in Technology Development and Research” (Editor: R. Schmehl), Springer-Verlag, 2018.
7.F. Bauer, C.M. Hackl, K. Smedley, R. Kennel, “Crosswind Kite Power with Tower”, accepted for publication as chapter in the book “Airborne Wind Energy: Advances in Technology Development and Research” (Editor: R. Schmehl), Springer-Verlag, 2018.
6.C.M. Hackl, A.-M. Lickert and E. Taraba, “Projektbezogen Studieren: Aktives Lernen im Team”, to be published in Neues Handbuch Hochschullehre (NHHL), DUZ Verlags- und Medienhaus GmbH, 2016.
5.C. Dirscherl, C. M. Hackl and K. Schechner, “Modellierung und Regelung von modernen Windkraftanlagen: Eine Einführung”, pp. 1540–1614 in D. Schröder “Elektrische Antriebe – Regelung von Antriebssystemen”, Berlin: Springer-Verlag (4. edition), 2015.
4.C. M. Hackl, “Dynamische Reibungsmodellierung: Das Lund-Grenoble Reibmodell”, pp. 1615–1657 in D. Schröder “Elektrische Antriebe – Regelung von Antriebssystemen”, Berlin: Springer-Verlag (4. edition), 2015.
3.C. M. Hackl, “Funnel Control: Implementierung, Erweiterung und Anwendung”, pp. 697–760 in D. Schröder “Intelligente Verfahren Systemidentifikation und Regelung nichtlinearer Systeme”, Berlin: Springer-Verlag, 2010.
2.C. M. Hackl and D. Schröder, “Non-identifier based adaptive control in robotics: An introduction”, in Recent adavances in Control Systems, Robotics and Automation (S. Pennacchio, ed.), vol. 1, Palermo, Italy: INTERNATIONALSAR International Society for Advanced Research, third ed., 2009.
1.C. Endisch, C. Hackl, and D. Schröder, “Optimal brain surgeon for general dynamic neural networks”, in Progress in Artificial Intelligence (J. Neves, M. F. Santos, and J. M. Machado, eds.), vol. 4974/2007 of Lecture Notes in Artificial Intelligence, pp. 15–28, Berlin: Springer-Verlag, 2007.

Journal contributions

64.Y. Pang, J. Knezevic, C. Glose, and C.M. Hackl, “Robust Sensorless Control of Electrically Excited Synchronous Machines Considering Inductance Uncertainties”, IEEE Transactions on Industrial Electronics, 2023.
63.M. Oel, J. Rossmann, B. Bode, I. Meyer, T. Ehlers, C.M. Hackl and R. Lachmayer, “Multi-laterial laser powder bed fusion additive manufacturing of concentrated wound stator teeth”, Additive Manufacturing Letters 7, 2023.
62.Y. Pang, J. Knezevic, D. Glose, C.M. Hackl, “Sensorless Control of Electrically Excited Synchro- nous Machines Considering Magnetic Saturation and Flux Linkage Dynamics for Automotive Applications”, IEEE Transactions on Industrial Electronics, 2023 (doi: 10.1109/TIE.2023.3245202).
61.S. Wiedemann and C.M. Hackl, “Simultaneous Identification of Inverter and Machine Nonlinearities for Self-Commissioning of Electrical Synchronous Machine Drives”, IEEE Transactions on Energy Conversion, 2023 (doi: 10.1109/TEC.2023.3263353).
60.Z. Song, C.M. Hackl, A. Anand, A. Thommessen, J. Petzschmann, O. Kamel, R. Braunbehrens, A. Kaifel, C. Roosand S. Hauptmann, “Digital Twins for the Future Power System: An Overview and a Future Perspective”, MDPI Sustainability, 2023 (doi: 10.3390/su15065259).
59.I. Harbi, A. Mostafa, C.M. Hackl, J. Rodriguez, R. Kennel and M. Abdelrahem,“Low-Complexity Dual-Vector Model Predictive Control for Single-Phase Nine-Level ANPC-Based Converter”, IEEE Transactions on Power Electronics, 2022.
58.S.W. Su, H. Börngen, C.M. Hackl and R. Kennel, “Nonlinear Current Control of Reluctance Synchronous Machines With Analytical Flux Linkage Prototype Functions”, IEEE Open Journal of the Industrial Electronics Society, 2022.
57.F. Rojas, C. Jerez, C.M. Hackl, O. Kalmbach, J. Pereda and J. Lillo, “Faults in Modular Multi- level Cascade Converters – Part I: Reliability, Failure Mechanisms and Fault Impact Analysis”, IEEE Open Journal of the Industrial Electronics Society, 2022.
56.F. Rojas, C. Jerez, C.M. Hackl, O. Kalmbach, J. Pereda and J. Lillo, “Faults in Modular Multilevel Cascade Converters – Part II: Fault Tolerance, Fault Detection & Diagnosis and System Reconfiguration”, IEEE Open Journal of the Industrial Electronics Society, 2022.
55.S. Krüner and C.M. Hackl, “Nonlinear Modelling and Control of a Power Smoothing System for a Novel Wave Energy Converter Prototype”, Sustainability, 2022.
54.M. Ahmed, I. Harbi, C.M. Hackl, R. Kennel, J. Rodriguez and M. Abdelrahem, “Maximum power point tracking-based model predictive control with reduced sensor count for PV appli- cations”, IET Renewable Power Generation, 2022.
53.I. Hammoud, S. Hentzelt, K. Xu, T. Oehlschlaegel, M. Abdelrahem, C.M. Hackl and R. Kennel, “On Continuous Set Model Predictive Control of Permanent Magnet Synchronous Machines”, IEEE Transactions on Power Electronics, 2022.
52.H. Xie, J. Du, D. Ke, Y. He, F. Wang, C.M. Hackl, J. Rodríguez and R. Kennel, “Multistep Model Predictive Control for Electrical Drives—A Fast Quadratic Programming Solution”, Symmetry 14 (3), 626, 2022.
51.J. Kullick and C.M. Hackl, “Speed-Sensorless Control of Induction Machines with LC Filter for Geothermal Electric Submersible Pumping Systems”, Machines 10 (2), 87, 2022.
50.I. Harbi, A. Mostafa, C.M. Hackl, R. Kennel and M. Abdelrahem, “A Nine-level Split-capacitor Active-Neutral-Point-Clamped Inverter and Its Optimal Modulation Technique”, IEEE Transactions on Power Electronics, 2022.
49.S.W. Su, C.M. Hackl and R. Kennel, “Analytical Prototype Functions for Flux Linkage Approximation in Synchronous Machines”, IEEE Open Journal of the Industrial Electronics Society, 2022.
48.M. Buettner, N. Monzen and C.M. Hackl, “Artificial Neural Network based Optimal Feedfor- ward Torque Control of Interior Permanent Magnet Synchronous Machines”, Energies (Special Issue on High Performance Permanent Magnet Synchronous Motor Drives), 2022.
47.J. Kullick and C.M. Hackl, “Nonlinear modeling, identification and optimal feedforward tor- que control of induction machines using steady-state machine maps”, IEEE Transactions on Industrial Electronics, 2022.
46.A. Birda, C. Grabher, C.M. Hackl and J. Reuss, “DC-link capacitor and inverter current ripples in anisotropic synchronous motor drives produced by synchronous optimal PWM”, IEEE Transactions on Industrial Electronics, 2021.
45.A. Glac, V. Šmídl, Z. Peroutka and C.M. Hackl, “Dependence of IPMSM Motor Efficiency on Parameter Estimates”, Sustainability 13 (16), 9299, 2021.
44.M. Abdelrahem, C.M. Hackl, R. Kennel and J. Rodriguez, “Low Sensitivity Predictive Control for Doubly-Fed Induction Generators Based Wind Turbine Applications”, Sustainability 13 (16), 9150, 2021.
43.M. Abdelrahem, C.M. Hackl and R. Kennel, “Robust predictive control scheme for permanent- magnet synchronous generators based modern wind turbines”, Electronics 10 (13), 1596, 2021.
42.O. Kalmbach, C. Dirscherl and C.M. Hackl, “Discrete-time DC-Link Voltage and Current Control of a Grid-Connected Inverter with LCL-Filter and very small DC-Link capacitance”, Energies, 2020 (accepted for publication).
41.M. Abdelrahem, C.M. Hackl, R. Kennel and J. Rodriguez, “Computationally-Efficient Finite Position Set-Phase Locked Loop for Sensorless Control of PMSGs in Wind Turbine Applications”, in IEEE Transactions on Power Electronics, 2020 (doi: 10.1109/TPEL.2020.3015575).
40.C.M. Hackl and M. Landerer, “A Unified Method for Generic Signal Parameter Estimation of Arbitrarily Distorted Single-Phase Grids With DC-Offset”, IEEE Open Journal of the Industrial Electronics Society, 2020 (doi: 10.1109/OJIES.2020.3017379).
39.A. Farhan, M. Abdelrahem, C.M. Hackl, R. Kennel, A. Shaltout and A. Saleh “Advanced Strategy of Speed Predictive Control for Nonlinear Synchronous Reluctance Motors”, Machines, 2020 (doi: 10.3390/machines8030044).
38.M. Abdelrahem, C.M. Hackl, J. Rodríguez and R. Kennel, “Model Reference Adaptive System with Finite-Set for Encoderless Control of PMSGs in Micro-Grid Systems”, Energies, 2020 (doi: 10.3390/en13184844).
37.A. Birda, J. Reuss and C.M. Hackl, “Synchronous optimal PWM for synchronous machines with highly operating point dependent magnetic anisotropy”, IEEE Transactions on Industrial Electronics, 2020 (doi: 10.1109/TIE.2020.2984460).
36.C.M. Hackl and M. Landerer, “A Unified Method for Online Detection of Phase Variables and Symmetrical Components of Unbalanced Three-Phase Systems with Harmonic Distortion”, Energies, 2019 (doi: 10.3390/en12173243).
35.C.M. Hackl and M. Landerer, “Modified second-order generalized integrators with modified frequency locked loop for fast harmonics estimation of distorted single-phase signals”, IEEE Transactions on Power Electronics, 2019 (doi: 10.1109/TPEL.2019.2932790).
34.A. Birda, J. Reuss and C.M. Hackl, “Simple fundamental current estimation and smooth transition between Synchronous Optimal PWM and Asynchronous SVM”, IEEE Transactions on Industrial Electronics, 2019 (doi: 10.1109/TIE.2019.2938490).
33.H. Eldeeb, A. S. Abdel-Khalik, J. Kullick and C.M. Hackl, “Pre and Post-fault Current Control of Dual Three-Phase Reluctance Synchronous Drives”, IEEE Transactions on Industrial Electronics, 2019 (doi: 10.1109/TIE.2019.2921276).
32.X. Gao, M. Abdelrahem, C.M. Hackl and R. Kennel, “Direct Predictive Speed Control With A Sliding Manifold Term for PMSM Drives”, IEEE Journal of Emerging and Selected Topics in Power Electronics, 2019 (doi: 10.1109/JESTPE.2019.2923285).
31.S. Krüner and C. Hackl, “Experimental Identification of the Optimal Current Vectors for a Permanent-Magnet Synchronous Machine in Wave Energy Converters”, Energies, 2019, 12(5),862 (doi: 10.3390/en12050862).
30.K. Zhang, S. Hanif, C.M. Hackl and T. Hamacher, “A Framework for Multi-regional Real-time Pricing in Distribution Grids”, IEEE Transactions on Smart Grids, 2019 (doi: 10.1109/TSG.2019.2911996).
29.K. Bär , A. Saidi, C. Hackl and W. Zörner, “Combined Operation of Photovoltaic and Biogas Plants for Optimal Transformer Loading”, Chemical Engineering Transactions, 2019 (doi: 10.3303/CET1976101).
28. H. Eldeeb, A. S. Abdel-Khalik, C.M. Hackl, “Post-Fault Full Torque-Speed Exploitation of Dual Three-Phase IPMSM Drives”, IEEE Transactions on Industrial Electronics, 2018 (doi: 10.1109/TIE.2018.2880698).
27. K. Schechner and C.M. Hackl, “Scaling of the drive train dynamics of large-scale wind turbine systems for real-time emulation in small-scale laboratory setups”, IEEE Transactions on Industrial Electronics, 2018 (doi: 10.1109/TIE.2018.2879287).
26. M. Abdelrahem, C.M. Hackl, R. Kennel and J. Rodríguez, “Efficient Direct-Model Predictive Control With Discrete-Time Integral Action for PMSGs”, IEEE Transactions on Energy Conversion, 2018 (doi: 10.1109/TEC.2018.2872626).
25. M. Diaz, R. Cardenas, M. Espinoza, C.M. Hackl, F. Rojas, J.C. Clare, and P. Wheeler, “Vector Control of a Modular Multilevel Matrix Converter Operating in the Full Output-Frequency Range”, IEEE Transactions on Industrial Electronics, 2018 (doi: 10.1109/TIE.2018.2870367).
24. C.M. Hackl, U. Pecha, K. Schechner, “Modeling and control of permanent-magnet synchronous generators under open-switch converter faults”, IEEE Transactions on Power Electronics, 2018 (doi: 10.1109/TPEL.2018.2855423).
23.C.M. Hackl, P. Jané-Soneira, M. Pfeifer, K. Schechner and S. Hohmann,
“Full- and Reduced-Order State-Space Modeling of Wind Turbine Systems with Permanent Magnet Synchronous Generator”, Energies, 2018 (doi: 10.3390/en11071809).
22.C. Dirscherl and C.M. Hackl, “Local Stability Analysis and Controller Design for Speed-Controlled Wind Turbine Systems in Regime II.5”, Energies, 2018 (doi: 10.3390/en11051251).
21.H. Eldeeb; A. S. Abdel-Khalik; C. Hackl, “Dynamic Modelling of Dual Three-Phase IPMSM Drives with different Neutral Configurations”, IEEE Transactions on Industrial Electronics, 2018 (doi: 10.1109/TIE.2018.2823684).
20.S. Hanif; K. Zhang; C. Hackl; M. Barati; H.B. Gooi; T. Hamacher, “Decomposition and Equilibrium Achieving Distribution Locational Marginal Prices using Trust-Region Method”, IEEE Transactions on Smart Grids, 2018 (doi: 10.1109/TSG.2018.2822766).
19.M. Espinoza-B, R. Cárdenas, J. Clare, D. Soto-Sanchez, M. Diaz, E. Espina, and C.M. Hackl, “An Integrated Converter and Machine Control System for MMC-Based High-Power Drives”, IEEE Transactions on Industrial Electronics, 2018 (doi: 10.1109/TIE.2018.2801839).
18.J. Kullick and C.M. Hackl, “Dynamic Modeling and Simulation of Deep Geothermal Electric Submersible Pumping Systems”, Energies, 2017 (doi:10.3390/en10101659).
17.F. Bauer, R. Kennel, C.M. Hackl, F. Campagnolo, M. Patt and R. Schmehl, “Drag power kite with very high lift coefficient”, Renewable Energy, 2017 (doi:10.1016/j.renene.2017.10.073).
16.M. Abdelrahem, C. Hackl, Z. Zhenbin, R. Kennel, “Robust Predictive Control for Direct-Driven Surface-Mounted Permanent-Magnet Synchronous Generators Without Mechanical Sensors”, IEEE Transactions on Energy Conversion, 2017 (doi: 10.1109/TEC.2017.2744980).
15.M. Abdelrahem, C.M. Hackl, R. Kennel, “Finite Set Model Predictive Control with On-line Parameter Estimation for Active Frond-End Converters”, Electrical Engineering, 2017 (doi: 10.1007/s00202-017-0606-3).
14.H. Eldeeb, C. M. Hackl, L. Horlbeck, and J. Kullick, “A unified theory for optimal feedforward torque control of anisotropic synchronous machines,” International Journal of Control, 2017 (doi: 10.1080/00207179.2017.1338359).
13.M. Abdelrahem, C.M. Hackl, R. Kennel, “Finite Position Set-Phase Locked Loop for Sensorless Control of Direct- Driven Permanent-Magnet Synchronous Generators”, IEEE Transactions on Power Electronics, 2017 (doi: 10.1109/TPEL.2017.2705245).
12.F. Bauer, C.M. Hackl, K.M. Smedley, and R. Kennel, “Multicopter With Series Connected Propeller Drives”, IEEE Transactions on Control Systems Technology, 2017 (doi: 10.1109/TCST.2017.2679071).
11.M. Abdelrahem, C.M. Hackl, R. Kennel, “Implementation and Experimental Investigation of A Sensorless Field-Oriented Control Scheme for Permanent-Magnet Synchronous Generators”, Electrical Engineering, 2017 (doi: 10.1007/s00202-017-0554-y).
10.Z. Zhang, C.M. Hackl, and R. Kennel, “Computationally Efficient DMPC for Three-levelNPC Back-to-Back Converters in Wind TurbineSystems With PMSG”, IEEE Transactions on Power Electronics, 2017 (doi: 10.1109/TPEL.2016.2637081).
9.M. Abdelrahem, C.M. Hackl, R. Kennel, “Simplified model predictive current control without mechanical sensors for variable-speed wind energy conversion systems”, Electrical Engineering, 2016 (doi: 10.1007/s00202-016-0433-y).
8.Z. Zhang, H. Xu, M. Xue, Z. Chen, T. Sun, R. Kennel, and C. M. Hackl, “Predictive control with a novel virtual flux estimation for back-to-back power converters,” IEEE Transactions on Industrial Electronics, vol. 62, no. 5, pp. 2823-2834, 2015 (doi: 10.1109/TIE.2014.2361802).
7.C. M. Hackl, N. Hopfe, A. Ilchmann, M. Mueller, and S. Trenn, “Funnel control for systems with relative degree two,” SIAM Journal on Control and Optimization, vol. 51, no. 2, pp. 965–995, 2013 (doi: 10.1137/100799903).
6.C. M. Hackl, “High-gain adaptive position control,” International Journal of Control, vol. 84, no. 10, pp. 1695–1716, 2011 (doi: 10.1080/00207179.2011.623720).
5.C. Endisch, P. Stolze, C. Hackl, and D. Schröder, “Comments on ‘Backpropagation algorithms for a broad class of dynamic networks’,” IEEE Transactions on Neural Networks, vol. 20, no. 3, pp. 540–541, 2009 (doi: 10.1109/TNN.2009.2013243).
4.C. M. Hackl, C. Endisch, and D. Schröder, “Contributions to nonidentifier based adaptive control in mechatronics,” Robotics and Autonomous Systems, Elsevier, vol. 57, no. 10, pp. 996–1005, 2009 (doi: 10.1016/j.robot.2009.07.014).
3.C. M. Hackl and D. Schröder, “Non-identifier based adaptive control in robotics: An introduction,” International Journal of Factory Automation, Robotics and Soft Computing, vol. 4, pp. 90–99, 2008.
2.C. Endisch, C. Hackl, and D. Schröder, “System identification with general dynamic neural networks and network pruning,” International Journal of Computational Intelligence, vol. 4, no. 3, pp. 187–195, 2007.
1.C. Hackl, H.-Y. Tang, R. Lorenz, L.-S. Turng, and D. Schröder, “A multidomain model of planar electro-active polymer actuators,” IEEE Transactions on Industry Applications, vol. 41, no. 5, pp. 1142–1148, 2005 (doi: 10.1109/TIA.2005.853384).

Conference contributions

101.Y. Pang, J. Knezevic, D. Glose and C.M. Hackl, “Sensitivity of Model-Based Sensorless Control of Electrically Excited Synchronous Machines Considering Nonlinear Flux Linkages for Automotive Applications”, 25th European Conference on Power Electronics and Applications (EPE’23 ECCE), 2023.
100.S.W. Su, N. Monzen, C.M. Hackl and R. Kennel, “Self-Identification of Reluctance Synchronous Machines with Analytical Flux Linkage Prototype Functions”, ICPE 2023-ECCE Asia, 2023.
99.N. Monzen and C.M. Hackl, “Artificial neural network based optimal feedforward torque control of electrically excited synchronous machines”, IEEE International Symposium on Industrial Electronics (ISIE), 2023. 
98.N. Monzen, B. Pfeifer, and C.M. Hackl, “A simple disturbance observer for stator flux linkage estimation of nonlinear synchronous machines”, IEEE International Symposium on Industrial Electronics (ISIE), 2023. 
97. J. Roßmann, N. Monzen, M. Kamper, C.M. Hackl, “Nonlinear Three-Phase Reluctance Synchronous Machine Modeling With Extended Torque Equation”, IEEE International Symposium on Industrial Electronics (ISIE), 2023. 
96.O. Kalmbach and C.M. Hackl, “I/O-Linearization Based Current Decoupling Control of Modular Multilevel Cascade Converters”, IEEE International Symposium on Industrial Electronics (ISIE), 2023. 
95.L. Testa, O. Kalmbach and C.M. Hackl, “A generic Lyapunov-based Observer for Double-Star-Chopper-Cell/Bridge-Cell Modular-Multilevel-Cascade-Converters”, IEEE International Symposium on Industrial Electronics (ISIE), 2023.
94.A. Thommessen and C.M. Hackl, “Combining virtual synchronous machine and feedforward torque control for doubly-fed induction machine based wind energy conversion systems”, IEEE International Symposium on Industrial Electronics (ISIE), 2023.
93.S.-W. Su, N. Monzen, C.M. Hackl, R. Kennel, “Self-Identfication of Reluctance Synchronous Machines with Analytical Flux Linkage Prototype Functions”, ICPE 2023-ECCE Asia, 2023.
92.I.D. De Martin, F. Tinazzi, M. Zigliotto and C.M. Hackl, “System Parameter-free Continuous Control-set Predictive Current Control of Synchronous Motors”, 48th Annual Conference of the IEEE Industrial Electronics Society (IECON 2022), 2022 (third best paper award).
91.M. Saegmueller, C.M. Hackl, R. Witzmann and R. Richter, “Analytic Solutions for Full Opera- ting Range Single-Side ZVS Modulation of Dual Active Bridge Converters”, IEEE International Symposium on Industrial Electronics (ISIE), 2021.
90.A. Thommessen and C.M. Hackl, “Optimal feedforward torque control for nonlinear induc- tion machines considering stator & rotor copper losses and current & voltage limits”, IEEE International Symposium on Industrial Electronics (ISIE), 2021 (Special Session).
89.C.M. Hackl, S. Krüner and Z. Song, “3D-Modulation and PI State-Feedback Control for Voltage Source Inverters with Split DC-Link”, IEEE International Symposium on Industrial Electronics (ISIE), 2021.
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 (best paper award).
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, 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, 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, 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, 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, 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, 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, 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, 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, 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.

Miscellaneous (not peer-reviewed)

36.C.M. Hackl and M. Landerer, “A unified method for signal parameter estimation of arbitra- rily distorted single-phase grids with DC-offset”, doi: 10.36227/techrxiv.12290237.v2. 2020 (Preprint).
35.C.M. Hackl and M. Landerer, “Modified second-order generalized integrators with modified frequency locked loop for fast harmonics estimation of distorted single-phase signals (LONG VERSION)”, doi:arXiv.1902.04653, 2019 (Preprint).
34.J. Kullick and C.M. Hackl, “Generic machine identification and maximum efficiency operation of induction machines”, doi: arXiv.1812.02431, 2018 (Preprint).
33.J. Kullick and C.M. Hackl, “Speed-sensorless state feedback control of induction machines with LC filter”, doi: arXiv.1807.11799, 2018 (Preprint).
32.C.M. Hackl, “Elektrische Antriebe”, Lehrmaterial, Hochschule München, 2018 (Vorlesungs- skriptum, Übungsunterlagen).
31.C.M. Hackl, M. Pfeier, K. Schechner P. Jané-Soneria, S. Hohmann, “Full- & Reduced-Order State-Space Modeling of Wind Turbine Systems with Permanent-Magnet Synchronous Generator”, doi: arXiv.1802.00799, 2018 (Preprint).
30.C.M. Hackl, U. Pecha and K. Schechner, “Modeling and control of permanent-magnet synchro- nous generators under open-switch converter faults”, doi: arXiv.1802.00182, 2018 (Preprint).
29.S. Eyerer, C. Schifflechner, S. Hofbauer, C. Wieland, K. Zosseder, W. Bauer, T. Baumann, F. Heberle, C. Hackl, M. Irl und H. Spliethoff, “Potential der hydrothermalen Geothermie zur Stromerzeugung in Deutschland”, Technischer Bericht (im Rahmen der Geothermie Allianz Bayern), 2017.
28.H. Eldeeb, C.M. Hackl, L. Horlbeck, J. Kullick, “On the optimal feedforward torque control problem of anisotropic synchronous machines: Quadrics, quartics and analytical solutions”, doi: arXiv.1611.01629, 2016 (Preprint).
27.C.M. Hackl, “On the equivalence of proportional-integral and proportional-resonant controllers with anti-windup”, doi: arXiv.1610.07133, 2016.
26.H. Eldeeb, C.M. Hackl, L. Horlbeck and J. Kullick, “Optimal feedforward control of permanent- magnet synchronous machines in renewable energy systems”, in Proceedings of the 6th Collo- quium of the Munich School of Engineering, TUM, Germany, 2016 (Vortrag).
25.J. Kullick and C.M. Hackl, “Optimized control and condition monitoring of electric submersible pumps (ESPs) in geothermal power plants”, in Proceedings of the 6th Colloquium of the Munich School of Engineering, TUM, Germany, 2016 (Poster).
24.Hisham Eldeeb, Christoph M. Hackl, Lorenz Horlbeck, Julian Kullick, “On the optimal feedforward torque control problem of anisotropic synchronous machines: Quadrics, quartics and analytical solutions”, (working paper, doi: arXiv:1611.01629), 2016.
23.C.M. Hackl, “On the equivalence of proportional-integral and proportional-resonant controllers with anti-windup” (working paper, doi: arXiv:1610.07133), 2016.
22.C.M. Hackl, K. Schechner, “Non-ideal torque control of wind turbine systems: Impacts on annual energy production” (working paper, doi: arXiv:1602.01225), 2016.
21.C.M. Hackl, M.J. Kamper, J. Kullick, J. Mitchell, “Nonlinear PI current control of reluctance synchronous machines” (working paper, doi: arXiv:1512.09301), 2015.
20.C.M. Hackl, A.-M. Fleischmann, und E. Taraba, “Projektstudium Antriebstechnik: Projektbezogen Studieren – Aktives Lernen im Team” in Tagungsband des 5. VDI Qualitätsdialogs Lehre – Studienerfolg verbessern, Tagungswerk Jerusalemkirche Berlin, Germany, 2015.
19.C. Hackl and K. Schechner, “Non-ideal torque control in wind turbine systems: Causes and impacts” in Proceedings of the 5th Colloquium of the Munich School of Engineering, TUM, Germany, 2015.
18.C. Dirscherl, J. Fessler, C. Hackl, H. Ipach, “State-feedback control and observer design of grid-connected power inverters with LCL-filter” in Proceedings of the 5th Colloquium of the Munich School of Engineering, TUM, Germany, 2015.
17.C.M. Hackl, “Klein-Windkraftanlagen mit effizienter und kostengünstiger Generatortopologie für Micro-Grids: Eine Voruntersuchung”, Bund der Freunde der Technischen Universität München e.V., 2014.
16.C.M. Hackl, “Projektbezogen Studieren – Aktives Lernen im Team: Projektstudium Antriebstechnik”, Lehrmaterialien zur Umsetzung des Ernst-Otto Fischer Lehrpreises 2013, Technische Universität München, 2014/2015.
15.C. Dirscherl, C.M. Hackl and K. Schechner, “Modeling and control of wind turbine systems with Permanent-Magnet Synchronous Generators (PMSG) and Doubly Fed Induction Generators (DFIG)” in Proceedings of the 4th Colloquium of the Munich School of Engineering, TUM, Germany, 2014.
14.C.M. Hackl, “Regelung von regenerativen Energiesystemen”, Lehrmaterialien, Technische Universität München, 2014 (Slides, Vorlesungskurzskriptum, Übung mit Musterlösung und Simulationsdateien).
13.C.M. Hackl, “Projektbezogenen Studieren – Aktives Lernen im Team: Projektstudium Antriebstechnik”, Ernst Otto Fischer Lehrpreis-Auftaktseminar, Technische Universität München, 2013.
12.C.M. Hackl, “Non-identifier based adaptive control in mechatronics,” Course materials, Technische Universität München, 2013.
11.D. Bytschkow, A. Dotzler, C.Hackl, C.Hellings, M. Huber, H. Mangesius, H. Seuschek, “Power systems research – why we should cooperate”, TUM MSE Colloquium 2013, Munich, Germany, 2013.
10.C.M. Hackl, “Non-identifier based adaptive control in mechatronics”, Poster session at 5th Indo-German Frontiers of Engineering Symposium, Hyderabad, India, 2013.
9.C.M. Hackl, “`Funnel control’ zur Positionsregelung von starren Drehgelenkrobotern mit grob bekannter Trägheitsmatrix”, Tagungsband des GMA-Fachausschuss 1.40, pp. 302-310, (Salzburg, Austria), 2012 .
8.C. Hackl, “Bewegungssteuerung durch geregelte elektrischen Antriebe,” Tutorial materials, TUM, 2012.
7.C. Hackl, “Praktikum Energietechnik – Versuch S2: Regelung einer Gleichstrommaschine,” Practical course material, TUM, 2012.
6.C. Hackl, “Non-identifier based adaptive control in mechatronics,” Course materials, TUM, 2012.
5.D. Schröder and C. Hackl, “Grundlagen der Regelungstechnik,” IHK Schwaben, Mechatronik Weiterbildung, 2009.
4.C. M. Hackl and B. Mair, “Smoothing the tension – optimal web tension control with a dSPACE prototyping system,” dSPACE Magazine, vol. 2, pp. 40–45, 2008.
3.C. M. Hackl and B. Mair, “Besser Bahnen ziehen – Optimale Bahnzugregelung mit dSPACE-Prototyping-System,” dSPACE Magazine, vol. 2, pp. 40–45, 2008.
2.C. M. Hackl and B. Mair, “Optimierung der Bahnspannungsregelung durch dezentrale Regelsysteme auf der Basis von moderner Mikroelektronik und intelligenter Software zur Steigerung der Produktionssicherheit und der Produktivität von Papierstreichanlagen”, Abschlussbericht zum Forschungsvorhaben AiF/IGF 14140N, Arbeitsgemeinschaft industrieller Forschungsvereinigungen “Otto von Guericke” (AiF), 2007.
1.B. Mair and C. Hackl, “Optimierung der Bahnspannungsregelung durch dezentrale Regelsysteme auf der Basis von moderner Mikroelektronik und intelligenter Software zur Steigerung der Produktionssicherheit und der Produktivität von Papierstreichanlagen,” PTS Forschungsbericht, The Paper Technology Specialists, Hessstr. 134, 80797 München, Germany, 2007.

Theses

4.C.M. Hackl, “Mechatronische und regenerative Energiesysteme”, Kumulativer Habilitationsbe- richt, Lehrstuhl für Elektrische Antriebssysteme und Leistungselektronik, Technische Universität München, 2019.
3.C.M. Hackl, “Contributions to high-gain adaptive control in mechatronics“, Dissertation, Lehrstuhl für Elektrische Antriebssysteme und Leistungselektronik, Technische Universität München, 2012.
2.C.M. Hackl, “Stabilitätsuntersuchungen adaptiver Regelungskonzepte für mechatronische Systeme”, Diplomarbeit, Lehrstuhl für Elektrische Antriebssysteme, Technische Universität München, 2004.
1.C.M. Hackl, “A physics-based model of electro-active polymer actuators as the bases for a Gopinath-style motion state observer,” Bachelorthesis, Lehrstuhl für Elektrische Antriebssysteme, Technische Universität München, Germany & Department of Mechanical Engineering and Department of Electrical & Computer Engineering, University of Wisconsin-Madison, USA, 2003.