Dr. Kai Wulff

• Lucas Kunze: Untersuchung der Stabilität eine VTOL-Systems unter Aktorausfall.
  Masterarbeit, Technische Universität Ilmenau, Germany, 2025
• Niclas Tietze: Untersuchungen zu Sliding-Mode Ansätzen innerhalb der Modellfolgeregelungsarchitektur.
  Masterarbeit, Technische Universität Ilmenau, Germany, 2023
• Maximilian Rambach:Studies on eigenstructure assignment for multivariable control systems.
  Bachelorarbeit, Technische Universität Ilmenau, Germany, 2023
• Rebecca Heim: Untersuchung von Regleransätzen für ein Antiblockiersystem hinsichtlich unterschiedlicher Benchmarkingkriterien.
  Bachelorarbeit, Technische Universität Ilmenau, Germany, 2022
• Niclas Tietze: Erprobung von Reset-Reglern am Beispiel eines Servomotorversuchsstands.
  Bachelorarbeit, Technische Universität Ilmenau, Germany, 2022
• Oppeneiger: Kooperative Regelung von Fahrzeugkolonnen in der Innenstadt.
  Bachelorarbeit, in Kooperation mit BOSCH, Technische Universität Ilmenau, Germany, 2021
• Robert Krompholz: Regelung eines dreistufigen Turmreaktors im kontinuierlichen Polykondensationsprozess.
  Masterarbeit, in Kooperation mit BASF AG,  Technische Universität Ilmenau, Germany, 2021
• Maria Christine Honecker: Untersuchung zur simultanen Eigenraumvorgabe für zwei LTI-Systeme.
  Masterarbeit, Technische Universität Ilmenau, Germany, 2020
• Maurice Preussner: Nichtlineare Regelung für leistungsstarke und präzise Hydraulikantriebe.
  Masterarbeit in Kooperation mit BOSCH, Technische Universität Ilmenau, Germany, 2020
• Johanna Meier: Untersuchungen zur Positionsbestimmung einer Magnetkugel auf einer Kreisbahn.
  Bachelorarbeit, Technische Universität Ilmenau, Germany, 2020
• Matthias Wolfenstetter: Analyse von Anregungssignalen zur experimentellen Identifikation nichtlinearer dynamischer Prozesse am Beispiel des Abgasturboladers. 
  Bachelorarbeit, Technische Universität Ilmenau, Germany, 2019
• Tobias Thiele: Untersuchung zur Wirkung der Eigenraumstruktur bei Zustandsrückführung auf die Zustandsdynamik.
  Bachelorarbeit, Technische Universität Ilmenau, Germany, 2018
• Lukas Herrmann: Robust Trajectory Tracking for the Boost Pressure of a Turbocharger using Sliding Mode Control.
  Masterarbeit, Technische Universität Ilmenau, Germany, 2018
• Tilo Hirsch: Vorsteuerungsentwürfe zum Wechsel zwischen Ruhelagen des Dreifachpendels.
  Bachelorarbeit, Technische Universität Ilmenau, Germany, 2018
• Christian Schmitt: Lineare Trajektorienfolgeregelung an einem Balanciertisch.
  Bachelorarbeit, Technische Universität Ilmenau, Germany, 2018
• Michael Fischer: Modellbasierte Eingangsdatenplausibilisierung für die Fahrzeugzustandsbeobachtung hochautomatisierter und autonomer Fahrzeuge.
  Bachelorarbeit in Kooperation mit Daimler AG, Technische Universität Ilmenau, Germany, 2017
• Johnny Saenz: Studies on Nonlinear Robust Tracking for a Quadcopter System.
  Master Thesis, Pontificia Universidad Catolica del Peru, Lima, Peru, and Technische Universität Ilmenau, Germany, 2017
• Dalthon Valencia: Studies on Obstacle Detection and Path Planning for a Quadrotor System.
  Master Thesis, Pontificia Universidad Catolica del Peru, Lima, Peru, and Technische Universität Ilmenau, Germany, 2017
• Tobias Posielek: Robustness Studies of Sliding Mode Approaches for the Boost Pressure Control.
  Masterarbeit, Technische Universität Ilmenau, Germany, 2017
• Peter Elsner: Regelung des Anfahrvorgangs einer Extrusionslinie zur Herstellung von EPP-Partikelschaum.
  Masterarbeit, Technische Universität Ilmenau, Germany, 2017
• Lukas Triska: Untersuchungen zu Schätzverfahren des Druckes vor Drosselklappe.
  Bachelorarbeit in Kooperation mit IAV GmbH, Technische Universität Ilmenau, Germany, 2016
• Jan Schreibeis: Untersuchung von strukturvariablen Ansätzen zur Ladedruckregelung.
  Masterarbeit, Technische Universität Ilmenau, Germany, 2016
• Joachim Kaiser: Nichtlineare Zustandsschätzung von Permanentmagnet-Synchronmotoren.
  Bachelorarbeit in Kooperation mit IAV GmbH, Technische Universität Ilmenau, Germany, 2016
• Julian Willkomm: Untersuchungen zum Einfluss des Modellierungsverfahrens auf die Regelgüte von interpolierenden Reglern am Beispiel eines Abgasturboladers.
  Masterarbeit, Technische Universität Ilmenau, Germany, 2015
• Felix Huttner: Online-Bestimmung des Querbeschleunigungs-Offsets bei der INS-/Odometrie-gestützten Koppelnavigation beim hochautomatisierten Fahren.
  Bachelorarbeit in Kooperation mit Daimler AG, Technische Universität Ilmenau, Germany, 2015
• Tobias Schucht: Lambdasensorgestützte Abgasrückführregelung beim PKW Dieselmotor.
  Bachelorarbeit in Kooperation mit IAV GmbH, Technische Universität Ilmenau, Germany, 2015
• Matti Noack: Untersuchungen zur Beobachtbarkeit der nichtlinearen Dynamik eines Abgasturboladers.
  Bachelorarbeit, Technische Universität Ilmenau, Germany, 2015
• Bastian Brandt: Untersuchung von Anregungssignalen zur Mehrgrößenidentifikation von LMNs am Beispiel eines Abgasturboladers.
  Masterarbeit, Technische Universität Ilmenau, Germany, 2014
• Christoph Weise: Design of a robust fractional-order controller for local model networks and its application to an exhaust turbo charger.
  Masterthesis, Technische Universität Ilmenau, Germany and Pontificia Universidad Catolica del Peru, Lima, 2014
• Mark Müller: Entwurf und Implementierung einer Entwicklungsplattform für den Versuchsstand Portalkran.
  Bachelorarbeit, Technische Universität Ilmenau, Germany, 2014
• Thomas Wohlfahrt: Erprobung von Gain-Scheduling-Ansätzen zur Ladedruckregelung eines Abgasturboladers.
  Masterarbeit, Technische Universität Ilmenau, Germany, 2014
• Kamil Kampa: Erprobung von Reglerentwurfsverfahren anhand lokaler Modelle für die Ladedruckregelung eines Abgasturboladers.
  Masterarbeit, Technische Universität Ilmenau, Germany, 2013
• Alexander Barth: Physikalische Modellbildung und experimentelle Paramteridentifikation für einen Abgasturbolader mit variabler Turbinengeometrie.
  Masterarbeit, Technische Universität Ilmenau, Germany, 2013
• Christoph Weise: Erprobung von Verfahren zur Synthese lokaler linearer Modellnetze am Beispiel eines Abgasturboladers.
  Bachelorarbeit, Technische Universität Ilmenau, Germany, 2012
• Stefan Göllner: Inbetriebnahme und experimentelle Modellbidung des Versuchsstands Portalkran.
  Bachelorarbeit, Technische Universität Ilmenau, Germany, 2012
• Kamil Kampa: Inbetriebnahme und Reglerentwurf für einen Balanciertisch.
  Bachelorarbeit, Technische Universität Ilmenau, Germany, 2011
• Alexander Barth: Untersuchungen zur Lenkmomentgestaltung für ein Seitenwindassistenzsystem.
  Bachelorarbeit in Kooperation mit Daimler AG, Technische Universität Ilmenau, Germany, 2011
• Steffen Mauch: Zustandsschätzer in Echtzeit am Beispiel eines ABS-Prüfstands.
  Master-Thesis, in Kooperation mit Hochschule Furtwangen, Germany, 2011
• Jan Bribach: Modellierung und Parameteridentifikation eines ABS Prüfstandes mit Erprobung von Regelungskonzepten.
  Diplomarbeit, Technische Universität Ilmenau, Germany, 2009
• Huang Lili: Modellierung und Regelung eines Common Rail Systems mittels Flachheitsbasierter Regelungsansätze.
  Masterarbeit in Kooperation mit IAV GmbH, Technische Universität Berlin, Germany, 2009
• Yuan Jiajing: Modellierung und Regelung eines Common Rail Systems mittels strukturvariabler Regelung.
  Masterarbeit in Kooperation mit IAV GmbH, Technische Universität Berlin, Germany, 2009
• Lijuan Xu: Untersuchung von Konzepten zur hochdynamischen Ladedruckregelung von Verbrennungsmotoren in industriellen Anwendungen.
  Masterarbeit in Kooperation mit IAV GmbH, Technische Universität Berlin, Germany, 2007
• Yuan Wei: Entwicklung einer Regelung für ein Kfz-Brennstoffzellen-System.
  Diplomarbeit, in Kooperation mit Robert Bosch GmbH, Technische Universität Berlin, Germany, 2007
• Chen Keming: Regelungsentwurf für magnetgelagerte Rotoren.
  Studienarbeit, in Kooperation mit Siemens AG, Technische Universität Berlin, Germany, 2007
• Christoph Horst: Throughput-Optimal Cyclic Scheduling With Pooling Resources.
  Diplomarbeit, Otto-von-Guericke-Universität Magdeburg, Germany, 2006

researchgate, google scholar

• K. Wulff, T. Posielek and J. Reger. Compensation of unmatched disturbances via sliding-mode control - A comparison of classical results and recent methods using integral and higher-order sliding-mode. In: Variable-Structure Systems and Sliding-Mode Control: From Theory to Practice. M. Steinberger, M. Horn, and L. Fridman (eds.), pp. 237-272, Springer-Verlag, 2020.
• A. Barth, M. Reichhartinger, K. Wulff, J. Reger, S. Koch, and M. Horn. Indirect Adaptive Sliding-Mode Control Using the Certainty-Equivalence Principle. In: Advances in Variable Structure Systems and Sliding Mode Control—Theory and Applications. Li, S., Yu, X., Fridman, L., Man, Z., Wang, X.(Eds.), Studies in Systems, Decision and Control, v.115, Springer-Verlag,  2017.
• Robert Shorten, Oliver Mason, and Kai Wulff. Convex cones, Lyapunov functions, and the stability of switched linear systems. In: Switching and Learning in Feedback systems, editor(s): R. Shorten, R. Murray-Smith. Springer-Verlag, 2004. 

• J. Willkomm, K. Wulff and J. Reger, "Set-point control and local stability of MFC for flat nonlinear systems", submitted for publication, preprint: doi: 10.48550/arXiv.2501.12913
• K. Wulff, M. C. Honecker, R. Schmid, and J. Reger, “Non-overshooting output shaping for switched linear systems under arbitrary switching using eigenstructure assignment", to appear in Automatica, 2026, preprint: arxiv 2410.06688
• M. C. Honecker, H. Gernandt, K. Wulff, C. Trunk, and J. Reger, “Feedback rectifiable pairs and stabilization of switched linear systems”, Systems & Control Letters, Vol. 186, Article 105755, 2024. doi: 10.1016/j.sysconle.2024.105755
• T. Posielek, K. Wulff, J. Reger. Analysis of Sliding-Mode Control Systems with Relative Degree Altering Disturbances, Automatica, Vol. 148, Article 110745, 2023. doi: 10.1016/j.automatica. 2022.110745
• A. Barth, M. Reichhartinger, K. Wulff, M. Horn, and J. Reger. Certainty Equivalence Adaptation combined with Super-Twisting Sliding-Mode Control, International Journal of Control, 89(9): 1767-1776, 2016. 1767-1776, doi: 10.1080/00207179.2015.1132850  Corrigendum
• A. Mironchenko, F. Wirth and K. Wulff. Stabilization of switched linear differential-algebraic equations and periodic switching. IEEE Transactions on Automatic Control, 60(8): 2102-2113, 2015. doi: 10.1109/TAC.2015.2406979
• W. Griggs, C. King, R. Shorten, O. Mason and K. Wulff. Quadratic Lyapunov functions for systems with state-dependent switching, Linear Algebra and its Applications, 433(1): 52-63, 2010. doi: 10.1016/j.laa.2010.02.011
• K. Wulff, F. Wirth, and R. Shorten. A control design method for a class of SISO switched linear systems. Automatica, 45(11): 2592-2596, 2009. doi: 10.1016/j.automatica.2009.07.010 (preprint)
• R. Shorten, M. J. Corless, K. Wulff, S. Klinge, and R. Middleton. Quadratic stability and singular SISO switching systems. IEEE Transactions on Automatic Control, 54(11): 2714-2718, 2009. doi: 10.1109/TAC.2009.2031586 (preprint)
• R. Shorten, P. Curran, K. Wulff, and E. Zeheb. A Note on Spectral Conditions for Positive Realness of Transfer Function Matrices. IEEE Transactions on Automatic Control, 53(5): 1258-1261, 2008. doi: 10.1109/TAC.2008.919553
• S. Solmaz, R. Shorten, K. Wulff, and F. O'Cairbre. A pole placement design methodology for switched discrete time linear systems with applications to automotive roll dynamics control. Automatica, 44(9):2358-2363, 2008. doi: 10.1016/j.automatica.2008.01.014(preprint)
• E. Mayer, K. Wulff, Ch. Horst, and J. Raisch. Optimal Scheduling of Cyclic Processes with Pooling-Resources. at Automatisierungstechnik, 56(4):181–188, 2008. doi: 10.1524/auto.2008.0701(preprint)
• R. Shorten, F. Wirth, O. Mason, K. Wulff, and C. King. Stability Criteria for Switched and Hybrid Systems. SIAM Review, 49(4):545–592, 2007. doi: 10.1137/05063516X, (preprint)
• K. Wulff and R. Shorten. On maximum sector bounds for absolute stability of single-input single-output systems. International Journal of Control, 80(6):832–842, 2007. doi: 10.1080/00207170601123799
• R. Shorten, P. Curran, and K. Wulff. On time-domain multiplier criteria for single-input single-output systems. International Journal of Control, 77(11):985–991, 2004. doi: 10.1080/00207170410001723384
• K. Wulff, R. Shorten, and P. Curran. On the 45° region and the uniform asymptotic stability of classes of second order parameter varying and switched systems. International Journal of Control, 75(11):812-823, 2002. doi: 10.1080/00207170210153407

• N. Tietze, K. Wulff, J. Reger. Stability of Lyapunov redesign trajectory tracking control with unbounded perturbations -- A tube-based stability analysis, to be submitted to: International Workshop on Variable Structure Systems, Exeter, United Kingdom, 2026, preprint arXiv:2512.04247
• N. Tietze, K. Wulff, J. Reger. Tube-based stability analysis of Lyapunov~redesign model-following control for trajectory tracking with unbounded perturbations, 23rd IFAC World Congress, Busan, 2026, submitted.
• P. Nöther, V. Ivanov, K. Wulff, J. Reger. Combined slip and lateral motion control for split friction scenarios using super-twisting control, 19th IEEE International Conference on Advanced Motion Control (AMC), Daegu, 2026.
• N. Tietze, K. Wulff, J. Reger. Set invariance in model-following high-gain control – Decoupling the region of attraction and precision, 64rd IEEE Conference on Decision and Control (CDC), pp. 7487-7494, Rio de Janeiro, 2025.
• N. Tietze, K. Wulff, J. Reger. Local stability analysis for sliding mode control with unbounded perturbations – Dynamic sliding mode design revisited, 64rd IEEE Conference on Decision and Control (CDC), pp. 6975-6982, Rio de Janeiro, 2025.
• N. Tietze, T. Kaufmann, K. Wulff, J. Reger. Increasing the estimated region of attraction for nonlinear systems stabilised at the linear approximation applying LgV control, 13th IFAC Symposium on Nonlinear Control Systems (NOLCOS), pp. 573-578, Reykjavik, 2025. https://doi.org/10.1016/j.ifacol.2025.11.096  
• Ch. Weise, K. Wulff, A. Hosseini, M. Kaczmarek, S. H. HosseinNia, J. Reger.  Fractional-Order Memory-Reset Hybrid Integrator System - Part II: Stability Analysis,Joint 11th IFAC Symposium on Robust Control Design (RODOND) and 6th IFAC Workshop on Linear Parameter Varying Systems (LPVS), pp. 283-288, Porto, 2025. https://doi.org/10.1016/j.ifacol.2025.10.117
• Ch. Weise, K. Wulff, A. Hosseini, M. Kaczmarek, S. H. HosseinNia, J. Reger. Fractional-Order Memory-Reset Hybrid Integrator System - Part I: Frequency Domain Properties, Joint 11th IFAC Symposium on Robust Control Design and 6th IFAC Workshop on Linear Parameter Varying Systems (LPVS), pp. 277-282, Porto, 2025. https://doi.org/10.1016/j.ifacol.2025.10.116
• N. Tietze, K. Wulff, J. Reger. Trajectory tracking model-following control using Lyapunov redesign with output time-derivatives to compensate unmatched uncertainties, European Control Conference (ECC), pp. 2363-2368, Thessaloniki, 2025. https://doi.org/10.23919/ECC65951.2025.11186850, preprint: https://doi.org/10.48550/arXiv.2501.12916
• N. Tietze, K. Wulff, J. Reger. Dynamic partial state-feedback revisited for output tracking using Lyapunov redesign and model-following control, 63rd IEEE Conference on Decision and Control (CDC), pp. 2882-2889,  Milano, 2024. doi: 10.1109/CDC56724.2024.10886711
• N. Tietze, K. Wulff, J. Reger. Local stabilisation of nonlinear systems with time- and state-dependent perturbations using sliding-mode model-following control, 63rd IEEE Conference on Decision and Control (CDC), pp. 6620-6627, Milano, 2024. doi: 10.1109/CDC56724.2024.10886830
• N. Tietze, K. Wulff, J. Reger. A model-following control approach to peaking attenuation in the context of high-gain partial state feedback stabilisation of nonlinear systems, 4th IFAC Conference on Modelling, Identification and Control of Nonlinear Systems (MINON), pp. 7-12, Lyon, 2024. doi: 10.1016/j.ifacol.2024.10.134
• M. C. Honecker, R. Schmid, K. Wulff, J. Reger. Monotonic tracking of step references for linear switched systems under arbitrary switching signals, European Control Conference (ECC), pp. 3292-3298, Stockholm, 2024. doi: 10.23919/ECC64448.2024.10591227
• N. Tietze, K. Wulff, J. Reger. Local stabilization of systems with time and state dependent perturbations using Super-Twisting Integral Sliding-Mode Control, European Control Conference (ECC), pp. 3669-3676, Stockholm, 2024. doi: 10.23919/ECC64448.2024.10591209
• J. Willkomm, K. Wulff, and J. Reger. Set-point tracking for nonlinear systems subject to uncertainties using model-following control with a high-gain controller, European Control Conference (ECC), pp. 1617-1622, London, 2022. doi: 10.23919/ECC55457.2022.9838162
• J. Willkomm, K. Wulff, and J. Reger. Quantitative robustness analysis of model following control for nonlinear systems subject to model uncertainties, IFAC Conference on Modelling, Identification and Control of Nonlinear Systems (MICNON), pp. 167-172, Tokyo, 2021. doi: 10.1016/j.ifacol.2021.10.347
• K. Wulff, M. C. Honecker, J. Reger. On the control design for the stabilisation of switched linear systems via eigenstructure assignment, European Control Conference (ECC), pp. 293-299, Rotterdam (virtual), 2021. doi: 10.23919/ECC54610.2021.9655006, 
• Ch. Weise, K. Wulff, J. Reger. Extended Fractional-Order Memory Reset Control for Integer-Order LTI Systems and Experimental Demonstration, IFAC World Congress, pp. 7683-7690, Berlin, 2020. doi: 10.1016/j.ifacol.2020.12.1512

• T. Posielek, K. Wulff, J. Reger. Analysis of Sliding-Mode Control Systems with Unmatched Disturbances Altering the Relative Degree, IFAC World Congress, pp. 5122-5128, Berlin, 2020. doi: 10.1016/j.ifacol.2020.12.1149

• Ch. Weise, R. Tavares, K. Wulff, M. Ruderman, J. Reger. Fractional-Order Control for Ramp tracking, 16th IEEE International Workshop on Advanced Motion Control (AMC), Agder, 2020. doi: 10.1109/AMC44022.2020.9244309

• Ch. Weise, K. Wulff, J. Reger. Fractional-Order Memory Reset Control for Integer-Order LTI Systems, 58th IEEE Conference on Decision and Control (CDC), Nice, 2019. doi: 10.1109/CDC40024.2019.9029825

• J. Willkomm, K. Wulff, J. Reger. Tracking-control for the boost-pressure of a turbo-charger based on a local model network. IEEE 2019 International Conference on Mechatronics (ICM), Ilmenau, 2019. doi: 0.1109/ICMECH.2019.8722870

• J. Willkomm, K. Wulff, J. Reger. Feedforward Control for Non-Minimumphase Local Model Networks using Model Following Control. 2nd IEEE Conference on Control Technology and Applications (CCTA), Copenhagen, 2018. doi: 10.1109/CCTA.2018.8511378

• Ch. Weise, K. Wulff, J. Reger. Observer with Improved Convergence for a Class of Initialized FO-LTI Systems. 2nd IEEE Conference on Control Technology and Applications (CCTA), Copenhagen, 2018. doi: 0.1109/CCTA.2018.8511326

• T. Posielek, K. Wulff, J. Reger. Disturbance decoupling using a novel approach to integral sliding-mode, 15th International Workshop on Variable Structure Systems and Sliding Mode Control (VSS18), Graz, 2018. doi: 10.1109/VSS.2018.8460323

• T. Posielek, K. Wulff, J. Reger. Robust control of the boost-pressure of a turbocharger subject to model uncertainty and disturbances, IFAC Asian Control Conference (ASCC), 2017. doi: 10.1109/ASCC.2017.8287336

• Ch. Weise, K. Wulff, J. Reger. Fractional-Order Observer for Integer-Order LTI Systems, IFAC Asian Control Conference (ASCC), 2017. doi: 10.1109/ASCC.2017.8287499

• J. Schreibeis, K. Wulff, J. Reger and J. A. Moreno. Lyapunov-stability for the sliding-mode control of a turbocharger subject to state constraints, IECON, 43rd Annual Conference of the IEEE Industrial Electronics Society (IES), Bejing, 2017. doi: 10.1109/IECON.2017.8216697

• Ch. Weise, K. Wulff, J. Reger. Exponentially converging Observer for Fractional-Order LTI Systems, IEEE Conference on Control Applications (CCA), pp. 723-729, Buenos Aires, 2016. doi: 10.1109/CCA.2016.7587904

• M. Noack, K. Wulff, J. Reger, M. Höper. Observability Analysis and Nonlinear Observer Design for a Turbocharger in a Diesel Engine, IEEE Conference on Control Applications (CCA), pp. 323-328, Buenos Aires, 2016. doi: 10.1109/CCA.2016.7587856

• A. Barth, M. Reichhartinger, J. Reger, Martin Horn, and Kai Wulff. Certainty-equivalence based super-twisting control using continuous adaptation laws, 14th International Workshop on Variable Structure Systems (VSS), pp. 92-97, Nanjing, Jiangsu, China, 2016. doi: 10.1109/VSS.2016.7506897

• A. Barth, M. Reichhartinger, J. Reger, Martin Horn, and Kai Wulff. Lyapunov-design for a super-twisting sliding-mode controller using the certainty-equivalence principle, 1st IFAC Conference on Modelling, Identification and Control of Nonlinear Systems, pp. 860-865, St. Petersburg, 2015. doi: /10.1016/j.ifacol.2015.09.298

• Ch. Weise, K. Wulff, M. Höper, and R. Hurtado. Continuous-time Local Model Network for the Boost-pressure Dynamics of a Turbocharger. In: Selected papers of the IFIP TC7 Conference on System Modelling and Optimization 2013, Ch. Pötsche, C. Heuberger, B. Kaltenbacher, F. Rendl (Eds), pp. 348-358, Spinger, 2014. doi: 10.1007/978-3-662-45504-3_34

• A. Mironchenko, F. Wirth and K. Wulff. Stabilization of switched linear differential-algebraic equations via time-dependent switching signals. 52nd IEEE Conference on Decision and Control (CDC), pp. 5975-5980, Firenze, Italy, 2013. doi: 0.1109/CDC.2013.6760832

• K. Treichel, R. Al Azrak, J. Reger and K. Wulff. Robust Output Feedback Trajectory Tracking Control of an Electrodynamic Planar Motion Stage for Precision Positioning, 18th Intl Conference on Methods & Models in Automation & Robotics (MMAR), pp. 57-62, Miedzyzdroje, Poland, 2013. doi: 0.1109/MMAR.2013.6669881

• K. Treichel, R. Al Azrak, J. Reger and K. Wulff. Modeling a Planar Motion Stage for Precision Positioning, 18th Intl Conference on Methods & Models in Automation & Robotics (MMAR), pp.51-56, Miedzyzdroje, Poland, 2013. doi: 0.1109/MMAR.2013.6669880

• B. Jahn, A. Barth, K. Wulff, T. Simon and J. Römisch. Rate Control and Flight Stabilization for a Quadrotor System, IEEE International Conference on Unmanned Aircraft Systems (ICUAS), pp. 642-649, Atlanta, GA, USA, 2013. doi: 10.1109/ICUAS.2013.6564744

• K. Wulff and A. Lorenz. Stability analysis of linear switched systems utilising flow relations. 17. Steirisches Seminar über Regelungstechnik und Prozessautomatisierung, Schloss Retzhof, Leibnitz, Österreich, 2011.
• K. Treichel, K. Wulff, J Reger and St. Amthor. Modelling and identification of a high-precision planar positioning system, 55th International Scientific Colloquium (IWK), Crossing Borders within the ABC : Automation, Biomedical Engineering and Computer Science Bd. 55, pp 430-435, Ilmenau, Deutschland, 2010. openAccess Ilmedia
• R. Shorten, M. J. Corless, R. Middleton, S. Klinge, and K. Wulff. A quadratic stability result for singular switched systems with application to anti-windup control, American Control Conference (ACC), St. Louis, 2009. doi: 0.1109/ACC.2009.5160413
• W. Griggs, C. King, R. Shorten, O. Mason and K. Wulff. A Geometrical Treatment for Obtaining Necessary and Sufficient Conditions for Joint Quadratic Lyapunov Function Existence for State-Dependent, Switched Systems: A Two-Dimensional Case, 17th Mediterranean Conference on Control & Automation, pp. 1337-1342, Thessaloniki, Greece, 2009. doi: 10.1109/MED.2009.5164732
• Robert Shorten, Paul Curran, Kai Wulff, Chris King, and Ezra Zeheb. On Spectral Conditions for Positive Realness of Transfer Function Matrices. American Control Conference (ACC), pp. 1076-1079, Seattle, USA, 2008. doi: 10.1109/ACC.2008.4586635
• Ishan Pendharkar, Kai Wulff, and Jörg Raisch. On stability of switched differential algebraic systems – conditions and applications. IFAC World Congress, 3871-3876, Seoul, South Korea, 2008. doi: 10.3182/20080706-5-KR-1001.00651

• Ishan Pendharkar, Kai Wulff, and Jörg Raisch. On the construction of quadratically stable switched linear systems with multiple component systems. 46th IEEE Conference on Decision and Control (CDC), pp. 6276-6279, New Orleans, USA, 2007. doi: 10.1109/CDC.2007.4434421

• Ishan Pendharkar, Kai Wulff, and Jörg Raisch. A behavioral-theoretic approach to quadratic stability of switched linear systems. 13th IEEE IFAC International Conference on Methods and Models in Automation and Robotics (MMAR), Szczecin, Poland, 2007.
• Kai Wulff and Robert Shorten. On the existence of periodic motion and the maximum sector bounds for absolute stability of nonlinear nonstationary systems (translation), Proceedings of IX International Workshop on Stability and Oscillations of Nonlinear Control Systems, Special Issue: Automation and Remote Control 68(8):1355–1363, 2007. doi: 0.1134/S0005117907080073
  О существовании периодических движений и максимальном размере сектора в задаче абсолютной устойчивости нелинейных нестационарных систем, Автомат. и телемех. (Avtomatika i Telemekhanika), выпуск 8, 68-77, 2007. https://www.mathnet.ru/at1032
• Kai Wulff, Fabian Wirth, and Robert Shorten. On the stabilisation of a class of switched SISO systems. IEEE Conference on Decision and Control and European Control Conference (CDC), pp. 3976-3981, Sevilla, 2005. doi: 10.1109/CDC.2005.1582783
• Kai Wulff and Robert Shorten. A generalisation of the 45° Criterion for the stability of time-varying systems with non-real eigenvalues. IEE Irish Signals and Systems Conference (ISSC), pp. 354-359, Dublin, 2005. doi: 10.1049/cp:20050336
• Robert Shorten, Paul Curran, and Kai Wulff. On time-domain multiplier criteria for single-input single-output systems. 42nd Conference on Decision and Control (CDC), pp. 5621-5625, Hawaii, 2003. doi:10.1109/CDC.2003.1271898
• Robert Shorten, Oliver Mason, and Kai Wulff. On the existence of common quadratic Lyapunov functions for single-input single-output switched systems. 12th Yale Workshop on Adaptive and Learning Systems, New Haven, 2003.
• Kai Wulff, John Foy, and Robert Shorten. Comments on the relation of periodic and absolute stability of switched linear systems. American Control Conference (ACC), pp. 3226–3227, Denver, 2003. doi: 10.1109/ACC.2003.1244026
• Kai Wulff, Robert Shorten, and Paul Curran. On the relationship of matrix-pencil eigenvalue criteria and the choice of Lyapunov function for the analysis of second order switched systems. American Control Conference (ACC), pp. 3226-3227, Anchorage, 2002. doi: 0.1109/ACC.2002.1023191 (session award)
• Kai Wulff, Paul Curran, and Robert Shorten. On the Infinity-Norm and the Asymptotic Stability of a class of Second order Time-Varying Systems. Proceedings of Irish Signals and Systems Conference (ISSC), 2001. (best paper award, best presentation award)

PhD Thesis
"Quadratic and Non-Quadratic Stability Criteria for Switched Linear Systems", Hamilton Institute, NUI Maynooth, Ireland, 2005

Supervisor: Prof. Dr. Robert Shorten (Hamilton Institute, National University of Ireland, Maynooth)
Internal Examiner: Dr. Fiacre Ó Caibre (Dept. of Mathematics, National University of Ireland, Maynooth)
External Examiner: Prof. Dr. Ezra Zeheb (Dept. of Electrical Engineering, Technion - Israel Institute of Technology) 

Diplomarbeit
"Robuster Mehrgrößenreglerentwurf für ein aktives Federungssystem", TU Berlin, Germany, 2000.
("Robust multi-input multi-output control design for an active suspension system")

Supervisor: Dr.-Ing. Jens Kalkkuhl (DaimlerChrysler AG, Forschung und Technologie, Berlin)
Examiner: Prof. Dr.-Ing. Filbert (TU Berlin)
Co-Examiner: Dr.-Ing. Johannes Reuter (TU Berlin)

Studienarbeit
"Tracking bewegter Hindernisse zur Anwendung in der mobilen Robotik - adaptive Verfahren für den Extended Kalmann-Filter", TU Berlin, Germany, 1999.
("Tracking of moving obstacles for mobile robots - adaptive methods for the extended Kalman-Filter") 

Supervisor: Dipl.-Ing. Johannes Reuter (TU Berlin)
Examiner: Prof. Dr.-Ing. Hartmann (TU Berlin)