AnLiFotografie

Prof. Dr. Karl Worthmann

Besuchsanschrift:
Weimarer Str. 25
Curiebau, Raum C 232
98693 Ilmenau

Postanschrift:
Postfach 10 05 65
98684 Ilmenau

E-Mail

+49 3677 69-3624 

Virtual Seminar

IFAC TC on Optimal Control Data-driven Methods in Control PDF

  • Date: July 8th 2021, 14h00-17h30 (CET)
 

My research interests are (in alphabetical order):

Teaching

Publications

2021

Journal articles:

  • T. Faulwasser, B. Maschke, F. Philipp, M. Schaller, K. Worthmann
    Optimal control of port-Hamiltonian descriptor systems with minimal energy supply
    (arxiv.org/abs/2106.06571) submitted, 35 pages, 2021
  • W.D. Esterhuizen, K. Worthmann, and S. Streif
    Recursive feasibility of continuous-time model predictive control without stabilising constraints
    IEEE Control Systems Letters 5(1):265-270, 2021
    DOI: 10.1109/LCSYS.2020.3001514 (Preprint available at arXiv:200307598)
  • S. Grundel, S. Heyder, T. Hotz, T.K. Ritschel, P. Sauerteig, and K. Worthmann
    How much testing and social distancing is required to control COVID-19? Some insight based on an age-differentiated compartmental model
    Submitted (Preprint available at arXiv:2011.01282)
  • S. Grundel, S. Heyder, T. Hotz, T.K. Ritschel, P. Sauerteig, and K. Worthmann
    How to Coordinate Vaccination and Social Distancing to Mitigate SARS-CoV-2 Outbreaks
    Submitted (Preprint available at medRxiv: DOI: 10.1101/2020.12.22.20248707)
  • A. Ilchmann, J. Witschel, and K. Worthmann
    Model predictive control for singular differential-algebraic equations
    International Journal of Control, accepted for publication.
  • Y. Jiang, P. Sauerteig, B. Houska, and K. Worthmann
    Distributed Optimization using ALADIN for Model Predictive Control in Smart Grids
    IEEE Transactions on Control Systems Technology. 
    DOI: 10.1109/TCST.2020.3033010 (Preprint available at arXiv:2004.01522)
 

Books

  • T. Faulwasser, M.A. Müller, K. Worthmann (Eds.)
    Recent Advances in Model Predictive Control
    to appear in Lecture Notes in Control and Information Sciences, Springer, 2021.
    DOI: 10.1007/978-3-030-63281-6

Book Chapters:

  • T. Aschenbruck, M. Baumann, W. Esterhuizen, B. Filipecki, S. Grundel, C. Helmberg, P. Sauerteig, S. Streif, T.K.S. Ritschel, and K. Worthmann
    Optimization and Stabilization of Hierarchical Electrical Networks
    to appear in S. Göttlich, M. Herty, and A. Milde (Eds.): Mathematical Modeling, Simulation and Optimization for Power Engineering and Management, Springer, 2021.
  • T. Faulwasser, M. Mehrez, and K. Worthmann
    Predictive path-following without terminal constraints
    to appear in T. Faulwasser, M.A. Müller, and K. Worthmann (Eds.): Recent Advances in Model Predictive Control, Springer 2021
    DOI: 10.1007/978-3-030-63281-6
  • P. Sauerteig, M. Baumann, J. Dickert, S. Grundel, and K. Worthmann
    Reducing transmission losses via reactive power control
    to appear in S. Göttlich, M. Herty, and A. Milde (Eds.): Mathematical Modeling, Simulation and Optimization for Power Engineering and Management, Springer, 2021.
 

Refereed Proceedings:

  • V. Kleyman, M. Schaller, M. Wilson, M. Mordmüller, R. Brinkmann, K. Worthmann, and Matthias A. Müller
    State and parameter estimation for model-based retinal laser treatment
    Submitted
  • F. Rußwurm, W. Esterhuizen, K. Worthmann, and S. Streif
    Interplay of MPC and the Viability Kernel
    Submitted
  • M. Schaller, F. Philipp, T. Faulwasser, K. Worthmann, and B. Maschke
    Control of port-Hamiltonian systems with minimal energy supply
    Submitted
    Preprint available at arxiv:2011.10296

2020

Journal Articles:

  • J.-M. Coron, L. Grüne, and K. Worthmann
    Model Predictive Control, Cost Controllability, and Homogeneity
    SIAM Journal on Control and Optimization 58(5):2979-2996, 2020.
    DOI: 10.1137/19M1265995 (Preprint available at arXiv:1906.05112)
  • V. Kleyman, H. Gernandt, K. Worthmann, H.S. Abbas, R. Brinkmann, and M.A. Müller
    Modeling and parameter identification for real-time temperature controlled retinal laser therapies
    at - Automatisierungstechnik 68(11):953-966, 2020.
    DOI: 10.1515/auto-2020-0074
  • M.W. Mehrez, K. Worthmann, J.P.V. Cenerini, M. Osman, W.W. Melek, S. Jeon
    Model Predictive Control without Terminal Constraints or Costs for Holonomic Mobile Robots
    Robotics and Autonomous Systems 127, 103468, 2020.
    DOI: 10.1016/j.robot.2020.103468
  • P. Sauerteig and K. Worthmann
    Towards multi-objective optimization and control of smart grids
    Optimal Control - Applications and Methods (OCAM); special issue MPC for Energy Systems: Economic and Distributed Approaches 41:128-145, 2020.
    DOI: 10.1002/oca.2532; open access

Refereed Proceedings:

  • T. Berger, C. Kästner, and K. Worthmann
    Learning-based Funnel-MPC for output-constrained nonlinear systems
    Proceedings of the 21st IFAC World Congress, Berlin, Germany, 2020, to appear
    Preprint available at ArXiv:1912.01843
  • T. Faulwasser, K. Flaßkamp, S. Ober-Blöbaum, and K. Worthmann
    A Dissipativity Characterization of Velocity Turnpikes in Optimal Control Problems for Mechanical Systems
    Proceedings of the 24th International Symposium on Mathematical Theory of Networks and Systems (MTNS 2020), 2021, accepted for publication
    Preprint available at ArXiv:2002.04388
  • V. Kleyman, H.S. Abbas, R. Brinkmann, K. Worthmann, and M.A. Müller
    Modelling of heat diffusion for temperature-controlled retinal photocoagulation
    Proceedings of the Automation in Medical Engineering 2020; 1(1):006
    DOI: 10.18416/AUTOMED.2020
  • P. Sauerteig, Y. Jiang, B. Houska, and K. Worthmann
    Distributed Control Enforcing Group Sparsity in Smart Grids
    Proceedings of the 21st IFAC World Congress, Berlin, Germany, 2020, to appear
    Preprint available at ArXiv:2002.03393

2019

Journal Articles:

  • M. Baumann, S. Grundel, P. Sauerteig, and K. Worthmann
    Surrogate models in bidirectional optimization of coupled microgrids
    at - Automatisierungstechnik 2019; 67(12): 1035-1046.
    DOI: 10.1515/auto-2019-0075 (arXiv:1911.04547)
  • K. Flaßkamp, S. Ober-Blöbaum, and K. Worthmann
    Symmetry and Motion Primitives in Model Predictive Control
    Mathematics of Control, Signals, and Systems (MCSS) 2019; 31(4): 455-485.
    DOI: 10.1007/s00498-019-00246-7 (arXiv:1906.09134)
  • K. Flaßkamp, K. Worthmann, J. Mühlenhoff, C. Greiner-Petter, C. Büskens, J. Oertel, D. Keiner, and T. Sattel
    Towards Optimal Control of Concentric Tube Robots in Stereotactic Neurosurgery
    Mathematical and Computer Modelling of Dynamical Systems 2019; 560-574
    DOI: 10.1080/13873954.2019.1690004
  • A. Ilchmann, L. Leben, J. Witschel, and K. Worthmann
    Optimal Control of differential-algebraic equations from an ordinary differential equation perspective
    Optimal Control - Applications and Methods (OCAM) 40:351-366, 2019
    Doi: 10.1002/oca.2481 (arXiv:1806.09518)

Book Chapters:

  • P. Braun, P. Sauerteig, and K. Worthmann
    Distributed optimization based control on the example of microgrids
    In M.J. Blondin, P.M. Pardalos, and J. Saéz, editors, Computational Intelligence and Optimization Methods for Control Engineering, volume 150 of Springer Optimization and Its Applications. Springer International Publishing, 2019, pp. 173-200.
  • S. Grundel, P. Sauerteig, and K. Worthmann
    Surrogate models for coupled microgrids
    In I. Faragó, F. Izsák, P.L. Simon, editors, Progress in Industrial Mathematics at ECMI 2018, volume 30 of Mathematics in Industry, Springer, 2019, pp. 477-483.

Refereed Proceedings:

  • T. Faulwasser, K. Flaßkamp, S. Ober-Blöbaum, and K. Worthmann
    Towards Velocity Turnpikes in Optimal Control of Mechanical Systems
    IFAC PapersOnLine 2019; 52(16):490-495
    DOI: 10.1016/j.ifacol.2019.12.009 (arXiv:1907.01786)
    (11th IFAC Symposium on Nonlinear Control Systems, Vienna, Austria)

2018

Journal Articles:

  • P. Braun, T. Faulwasser, L. Grüne, C.M. Kellett, S.R. Weller, and K. Worthmann
    Hierarchical Distributed ADMM for Predictive Control with Applications in Power Networks
    IFAC Journal of Systems and Control 3, 10-22, 2018.
    Doi: 10.1016.j.ifacsc.2018.01.001
  • T. Sprodowski, M.W. Mehrez, K. Worthmann, G.K.I. Mann, R.G. Gosine, J.K. Sagawa, and J. Pannek
    Differential Communication with Distributed MPC based on Occupancy Grid
    Information Sciences 453, 426-441, 2018.
    Doi: 10.1016/j.ins.2018.04.034 

Books:

  • S. Kurz, M. Stoll, and K. Worthmann
    Angewandte Mathematik - Ein Lehrbuch für Lehramtsstudierende
    Springer Spektrum (German). 
    Doi: 10.1007/978-3-662-56705-0

Refereed Proceedings:

  • K. Flaßkamp, K. Worthmann, C. Greiner-Petter, C. Büskens, T. Sattel
    An Optimal Control Problem for Stereotactic Neurosurgery
    Vol. ARGESIM Report 55, 67-68, 2018
    (MathMod 2018 Extended Abstract Volume)
  • A. Ilchmann, J. Witschel, and K. Worthmann
    Model Predictive Control for Linear Differential-Algebraic Equations
    IFAC PapersOnLine 51 (20), 116-121, 2018
    (6th IFAC Conference on Nonlinear Model Predictive Control, Madison, Wisconsin, USA)
  • A. Ilchmann, J. Witschel, and K. Worthmann
    Model Predictive Control for Linear DAEs without Terminal Constraints and Costs
    IFAC PapersOnLine 51 (20), 98-103, 2018
    (6th IFAC Conference on Nonlinear Model Predictive Control, Madison, Wisconsin, USA)
  • M. Schulze Darup and K. Worthmann
    Tailored MPC for mobile robots with very short prediction horizons
    in Proceedings of the 2018 European Control Conference (ECC 2018), Limassol, Cyprus, 1361-1366.

2017

Journal Articles:

  • P. Braun, L. Grüne, C.M. Kellett, S.R. Weller, and K. Worthmann
    Towards price-based predictive control of a small scale electricity network
    International Journal of Control, 2017; 93(1):40-61.
    Preprint [pdf] available under license Deutsches Urheberrecht
    Doi: 10.1080/00207179.2017.1339329
  • M.A. Müller and K. Worthmann
    Quadratic costs do not always work in MPC
    Automatica 82, 269-277, 2017.
    Preprint [pdf] available under license Deutsches Urheberrecht
    Doi: 10.1016/j.automatica.2017.04.058
  • M. Proch, K. Worthmann, J. Schlüchtermann
    A negotiation-based algorithm to coordinate supplier development in decentralized supply chains
    European Journal of Operational Research, 256(2), 412-429, 2016. Doi:10.1016/j.ejor.2016.06.029 (open access)
  • K. Worthmann, M.W. Mehrez, G.K.I. Mann, R.G. Gosine, and J. Pannek
    Interaction of Open and Closed Loop Control in MPC
    Automatica 82, 243-250, 2017.
    Preprint [pdf] available under license Deutsches Urheberrecht
    Doi: 10.1016/j.automatica.2017.04.038

Refereed Proceedings:

  • D.-M. Ioan, F. Stoican, and K. Worthmann
    Active fault detection and isolation in a zonotopic framework
    in Proceedings of the 21st IEEE International Conference on System Theory, Control and Computing (ICSTCC 2017), Sinaia, Romania, 595-600.
  • M.W. Mehrez, T. Sprodowski, K. Worthmann, G.K.I. Mann, R.G. Gosine, J.K. Sagawa, and J. Pannek
    Occupancy Grid based Distributed MPC of Mobile Robots
    in Proceedings of the IEEE/RSJ International Conference on Intelligent Robots and Systems (IROS 2017), Vancouver, Canada, 4842-4847.
  • M.W. Mehrez, K. Worthmann, G.K.I. Mann, R.G. Gosine, and T. Faulwasser
    Predictive Path Following of Mobile Robots without Terminal Stabilizing Constraints
    IFAC PapersOnLine 50(1), 9852-9857, 2017 (IFAC World Congress, Toulouse, France)
    Doi: 10.1016/j.ifacol.2017.08.907   
  • M.W. Mehrez, K. Worthmann, G.K.I. Mann, R.G. Gosine, and J. Pannek
    Experimental Speedup and Stability Validation for Multi-Step MPC
    IFAC PapersOnLine 50(1), 8698-8703, 2017 (IFAC World Congress, Toulouse, France)
    Doi: 10.1016/j.ifacol.2017.08.1551

Proceedings (without peer-review):

  • J.P. Bergmann, M. Bielenin, R.A. Herzog, J. Hildebrand, I. Riedel, K. Schricker, C. Trunk, K. Worthmann
    Prevention of solidification cracking during pulsed laser beam welding
    PAMM Proc. Appl. Math. Mech. 17, 405 – 406, 2017
    Doi: 10.1002/pamm.201710172
  • M.A. Müller and K. Worthmann
    On quadratic stage costs for mobile robots in model predictive control
    PAMM Proc. Appl. Math. Mech. 17, 825-826, 2017
    Doi: 10.1002/pamm.201710380

2016

Journal Articles:

  • P. Braun, L. Grüne, C.M. Kellett, S.R. Weller, and K. Worthmann
    A Distributed Optimization Algorithm for the Predictive Control of Smart Grids
    IEEE Transactions on Automatic Control 61(12), 3898-3911, 2016.
    Preprint [pdf] available under license Deutsches Urheberrecht.
  • K. Worthmann, M.W. Mehrez, M. Zanon, G.K.I. Mann, R.G. Gosine, M. Diehl
    Model Predictive Control of Nonholonomic Mobile Robots without Stabilizing Constraints and Costs
    IEEE Transactions on Control Systems Technology24(4), 1394-1406, 2016.
    Preprint [pdf] available under license Deutsches Urheberrecht.
  • K. Worthmann, M. Proch, P. Braun, J. Schlüchtermann, and J. Pannek
    Towards Dynamic Contract Extension in Supplier Development
    Logistics Research9(1), 1-12, 2016.
    Doi: 10.1007/s12159-016-0141-z (open access)

Refereed Book Chapters

  • P. Braun, L. Grüne, C.M. Kellett, S.R. Weller, and K. Worthmann
    Preprint [pdf] available under license Deutsches Urheberrecht.
    Model Predictive Control of Residential Energy Systems Using Energy Storage and Controllable Loads
    In: G. Russo, V. Capasso, G. Nicosia, V. Romano (eds) Progress in Industrial Mathematics at ECMI 2014. Mathematics in Industry, vol 22, 617-623. Springer, Cham, 2016.
    Doi: 10.1007/978-3-319-23413-7_85

Refereed Proceedings:

  • P. Braun, T. Faulwasser, L. Grüne, C.M. Kellett, S.R. Weller, and K. Worthmann
    Maximal Islanding Time For Microgrids via Distributed Predictive Control
    in Proceedings of the 22nd International Symposium on Mathematical Theory of Networks and Systems (MTNS 2016), Minneapolis, MN, USA, 2016, 652-659 [pdf].
  • K. Worthmann, P. Braun, M. Proch, J. Schlüchtermann, and J. Pannek
    On Contractual Periods in Supplier Development
    IFAC-PapersOnLine 49(2), 060-065, 2016 (7th IFAC Conference on Management and Control of Production and Logistics (MCPL 2016), Bremen, Germany)

2015

Journal Articles:

  • K. Worthmann, C.M. Kellett, P. Braun, L. Grüne, S.R. Weller
    Distributed and decentralized Control of Residential Energy Systems incorporating Battery Storage
    IEEE Transactions on Smart Grid 6(4), 1914-1923, 2015 [PDF]

Refereed Proceedings:

  • P. Braun, L. Grüne, C.M. Kellett, S.R. Weller, and K. Worthmann:
    A Real-Time Pricing Scheme for Residential Energy Systems Using a Market Maker
    Proceedings of the Australian Control Conference (AUCC 2015), Gold Coast, Australia, 259-262.
  • P. Braun, L. Grüne, C.M. Kellett, S.R. Weller, and K. Worthmann
    Predictive Control of a Smart Grid: A Distributed Optimization Algorithm with Centralized Performance Properties
    Proceedings of the 54th IEEE Conference on Decision and Control (CDC 2015), Osaka, Japan, 2015, 5593-5598.
  • K. Worthmann, M.W. Mehrez, M. Zanon, G.K.I. Mann, R.G. Gosine, M. Diehl
    Regulation of Differential Drive Robots using Continuous Time MPC without Stabilizing Constraints or Costs
    IFAC-PapersOnLine 48(23): 129-135, 2015 (5th IFAC Conference on Nonlinear Model Predictive Control (NMPC) 2015, Seville, Spain) [pdf]
  • K. Worthmann, M. Reble, L. Grüne, and F. Allgöwer
    Unconstrained Nonlinear MPC: Performance Estimates for Sampled-Data Systems with Zero Order Hold
    Proceedings of the 54th IEEE Conference on Decision and Control (CDC 2015), Osaka, Japan, 2015, 4971-4976 [pdf]

2014

Journal Articles:

  • A. Boccia, L. Grüne, K. Worthmann
    Stability and feasibility of state constrained MPC without stabilizing terminal constraints
    Systems and Control Letters 72, 14-21, 2014 [PDF]
  • T. Damm, L. Grüne, M. Stieler, and K. Worthmann
    An exponential turnpike theorem for dissipative discrete time optimal control problems
    SIAM J. Control Optim., Vol. 52 (3), 1935-1957, 2014 [PDF]
  • J. Pannek and K. Worthmann
    Stability and performance guarantees for model predictive control algorithms without terminal constraints
    ZAMM - Journal of Applied Mathematics and Mechanics; Special Issue on Control theory for digitally networked dynamical systems 94(4), 317-330, 2014 [PDF]
  • K.Worthmann, M.Reble, L.Grüne, F.Allgöwer
    The Role of Sampling for Stability and Performance in Unconstrained Nonlinear Model Predictive Control
    SIAM J. Control Optim. 52(1), 581-605, 2014 [PDF]

Refereed Proceedings:

  • A. Boccia, L. Grüne, K. Worthmann
    Stability and feasibility of state-constrained linear MPC without stabilizing terminal constraints
    in: Proceedings of the 21st International Symposium on Mathematical Theory of Networks and Systems (MTNS 2014), Groningen, Netherlands, 2014, 1173-1180 [PDF]
  • K. Worthmann, C.M. Kellett, L. Grüne, and S.R. Weller
    Distributed Control of Residential Energy Systems Using a Market Maker
    IFAC Proceedings Volumes 47(3), 11641-11646, 2014
    (19th IFAC World Congress, Cape Town, South Africa[PDF] 


Proceedings (without peer-review):

  • K. Worthmann, M. Reble, L. Grüne, and F. Allgöwer
    Nonlinear MPC: the Impact of Sampling on Closed Loop Stability
    in: Proceedings in Applied Mathematics and Mechanics (PAMM 2014) 14(1), 911-912, 2014 [PDF]


Book Chapters:

 
  • L. Grüne, F. Allgöwer, R. Findeisen, J. Fischer, D. Groß,
    U. D. Hanebeck, B. Kern, M. A. Müller, J. Pannek, M. Reble,
    O. Stursberg, P. Varutti, K. Worthmann
    Distributed and Networked Model Predictive Control
    in: Control Theory of Digitally Networked Dynamic Systems, Chapter 4, J. Lunze (ed.) Springer Verlag, 2014, 111 - 167
    DOI: 10.1007/978-3-319-01131-8_4  Front Matter [PDF]

prior

2012

  • P. Braun, J. Pannek, K. Worthmann
    Predictive Control Algorithms: Stability Despite Shortened Optimization Horizons
    in: Proceedings on the 15th IFAC Workshop on Control Applications of Optimization (CAO 2012), Rimini, Italy, 2012, 274-279  [PDF]
  • L. Grüne, J. Pannek, M. Seehafer, K. Worthmann
    Analysis of Unconstrained Nonlinear MPC Schemes with Time Varying Control Horizon
    in: Proceedings of the 51st IEEE Conference on Decision and Control (CDC 2012), Maui, HI, USA, 2012, 2605-2610  [PDF]
  • L. Grüne, J. Pannek, K. Worthmann:
    Ensuring Stability in Networked Systems with Nonlinear MPC for Continuous Time Systems
    in: Proceedings of the 51st IEEE Conference on Decision and Control (CDC 2012),
    Maui, HI, USA, 2012, 14-19 [PDF] 
  • L. Grüne, K. Worthmann
    A distributed NMPC scheme without stabilizing terminal constraints
    in: Distributed Decision Making and Control
    Chapter 12,
     R. Johansson, A. Rantzer (eds.)
    Springer Verlag, 2012, 261 - 287
    DOI: 10.1007/978-1-4471-2265-4_12   [PDF] 
  • K. Worthmann
    Estimates on the Prediction Horizon Length in Model Predictive Control
    in: Proceedings of the 20th International Symposium on Mathematical Theory of Networks and Systems (MTNS2012)
    Melbourne, Australia, 2012, MTNS2012_0112_paper.pdf [PDF]
  • K. Worthmann
    Estimates of the Prediction Horizon Length in MPC: a Numerical Case Study
    IFAC Proceedings Volumes 45(17), 232-237, 2012.
    (4th IFAC Conference on Nonlinear Model Predictive Control, Noordwijkerhout, the Netherlands) [PDF]

2011

  • J. Pannek, K. Worthmann
    Reducing the Prediction Horizon in NMPC: An Algorithm Based Approach
    in: Proceedings of the 18th IFAC World Congress
    Milano, Italy, 2011, 7969 - 7974  [PDF]
  • K. Worthmann
    Stability Analysis of Unconstrained Receding Horizon Control Schemes
    PhD thesis, Bayreuth, Germany, 2011 [PDF]

2010

  • N. Altmüller, L. Grüne, K. Worthmann
    Instantaneous control of the linear wave equation
    in: Proceedings of the 18th International Symposium on Mathematical Theory of Networks and Systems (MTNS2010)
    Budapest, Hungary, 2010, 1895 - 1899  [PDF]
  • N. Altmüller, L. Grüne, K. Worthmann
    Performance of NMPC schemes without stabilizing terminal constraints
    in: Recent Advances in Optimization and its Applications in Engineering
    M. Diehl, F. Glineur, E. Jarlebring, W. Michiels (eds.)
    Springer Verlag, 2010, 289 - 298 DOI: 10.1007/978-3-642-12598-0_25  [PDF]
  • N. Altmüller, L. Grüne, K. Worthmann
    Receding Horizon optimal control for the wave equation
    in: Proceedings of the 49th IEEE Conference on Decision and Control
    Atlanta, Georgia, 2010, 3427 - 3432 [PDF]
  • L. Grüne, J. Pannek, M. Seehafer, K. Worthmann
    Analysis of unconstrained nonlinear MPC schemes with time varying control horizon
    SIAM Journal on Control and Optimization 48 (8), 4938 - 4962, 2010 DOI: 10.1137/090758696 [PDF]
  • L. Grüne, M. von Lossow, J. Pannek, K. Worthmann
    MPC: implications of a growth condition on exponentially controllable systems
    in: Proceedings of NOLCOS 2010
    Bologna, Italy, 2010, 385 - 390 DOI: 10.3182/20100901-3-IT-2016.00225 [PDF]
  • L. Grüne, M. von Lossow, K. Worthmann
    NMPC suboptimality estimates for sampled-data continuous systems
    in: Recent Advances in Optimization and its Applications in Engineering
    M. Diehl, F. Glineur, E. Jarlebring, W. Michiels (eds.)
    Springer Verlag, 2010, 329 - 338 DOI: 10.1007/978-3-642-12598-0_29  [PDF]

2009

  • L. Grüne, D. Nesic, K. Worthmann
    Digital redesign of nonlinear multi-input systems
    in: Oberwolfach Reports 11, 2009, 619 - 622 [PDF]
  • L. Grüne, J. Pannek, K. Worthmann
    A networked unconstrained nonlinear MPC scheme
    in: Proceedings of the European Control Conference (ECC) 2009
    Budapest, Hungary, 2009, 371 - 376
    [PDF] 
    [PDF-extended]
  • L. Grüne, J. Pannek, K. Worthmann
    A prediction based control scheme for networked systems with delays and packet dropouts  
    in: Proceedings of the 48th IEEE Conference on Decision and Control
    Shanghai, China, 2009, 537 - 542 [PDF]

2008

  •  L. Grüne, D. Nesic, J. Pannek, K. Worthmann
    Redesign techniques for nonlinear sampled-data systems
    at-Automatisierungstechnik 56 (Special Issue on Digitally Networked Systems)
    38 - 48, 2008 DOI: 10.1524/auto.2008.0684  [PDF]
  • L. Grüne, K. Worthmann
    Nonlinear sampled-data redesign: analytical formulas and their practical implementatio
    in: Proceedings of the 18th International Symposium on Mathematical Theory of Networks and Systems (MTNS2008)
    CD-Rom, Paper 084.pdf, 6 pages, Blacksburg, Virginia, 2008, [PDF]
  • L. Grüne, K. Worthmann
    Sampled-data redesign for nonlinear multi-input systems
    in: Geometric Control and Nonsmooth Analysis
    F. Ancona, A. Bressan, P. Cannarsa, F. Clarke, P. R. Wolenski (eds.) World Scientific, Singapore, 2008, 206 - 227 DOI: 10.1142/9789812776075_0011   [PDF]
  • L. Grüne, K. Worthmann, D. Nesic
    Continuous-time controller redesign for digital implementation: a trajectory based approach
    Automatica 44, 225 - 232, 2008
    DOI: 10.1016/j.automatica.2007.05.003 [PDF]

2006

  • L. Grüne, D. Nesic, K. Worthmann
    High order approximations by sampled-data feedback
    in: Proceedings of the 17th International Symposium on Mathematical Theory of Networks and Systems (MTNS2006)
    Kyoto, Japan, 2006, 1780 - 1787  [PDF]
  • K. Worthmann
    Digitale Implementierung kontinuierlicher Regler: Analyse und Optimierung Diplomarbeit
    Chair of Applied Mathematics, University of Bayreuth, Germany, 2006 [PDF]

Abschlussarbeiten