25 Publications
2024 | Journal Article | LibreCat-ID: 57893 |

A. Junker, J. Timmermann, and A. Trächtler, “Adaptive Data‐Driven Models in Port‐Hamiltonian Form for Control Design,” PAMM, vol. 25, no. 1, 2024, doi: 10.1002/pamm.202400154.
LibreCat
| DOI
| Download (ext.)
2024 | Journal Article | LibreCat-ID: 59051
R.-S. Götte and J. Timmermann, “Online Learning With Joint State and Model Estimation,” PAMM, vol. 25, no. 1, 2024, doi: 10.1002/pamm.202400080.
LibreCat
| DOI
2023 | Conference Paper | LibreCat-ID: 34171
R.-S. Götte and J. Timmermann, “Estimating States and Model Uncertainties Jointly by a Sparsity Promoting UKF,” in 12th IFAC Symposium on Nonlinear Control Systems (NOLCOS 2022), Canberra, Australien, 2023, vol. 56, no. 1, pp. 85–90, doi: https://doi.org/10.1016/j.ifacol.2023.02.015.
LibreCat
| DOI
2023 | Conference Paper | LibreCat-ID: 44326
R.-S. Götte and J. Timmermann, “Approximating a Laplacian Prior for Joint State and Model Estimation within an UKF,” in IFAC-PapersOnLine, Yokohama, Japan, 2023, vol. 56, no. 2, pp. 869–874.
LibreCat
2023 | Conference Paper | LibreCat-ID: 48482 |

R.-S. Götte, J. N. Klusmann, and J. Timmermann, “Data-driven identification of disturbances using a sliding mode observer,” in Proceedings - 33. Workshop Computational Intelligence: Berlin, 23.-24. November 2023, Berlin, Germany, 2023, pp. 113–123, doi: 10.5445/KSP/1000162754.
LibreCat
| DOI
| Download (ext.)
2023 | Conference Paper | LibreCat-ID: 48476
M. Hesse, J. Timmermann, and A. Trächtler, “Hybrid Optimal Control for Dynamical Systems using Gaussian Process Regression and Unscented Transform*,” 2023, doi: 10.23919/ecc57647.2023.10178368.
LibreCat
| DOI
2023 | Conference Paper | LibreCat-ID: 42238 |

A. Junker, N. Fittkau, J. Timmermann, and A. Trächtler, “Autonomous Golf Putting with Data-Driven and Physics-Based Methods,” presented at the 2022 Sixth IEEE International Conference on Robotic Computing (IRC), Naples, Italy, 2023, doi: 10.1109/irc55401.2022.00031.
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| DOI
| Download (ext.)
2023 | Journal Article | LibreCat-ID: 50070 |

A. Junker, K. E. F. Pape, J. Timmermann, and A. Trächtler, “Adaptive Koopman-Based Models for Holistic Controller and Observer Design,” IFAC-PapersOnLine, vol. 56, no. 3, pp. 625–630, 2023, doi: 10.1016/j.ifacol.2023.12.094.
LibreCat
| DOI
| Download (ext.)
2022 | Conference Paper | LibreCat-ID: 26539 |

R.-S. Götte and J. Timmermann, “Composed Physics- and Data-driven System Identification for Non-autonomous Systems in Control Engineering,” in 2022 3rd International Conference on Artificial Intelligence, Robotics and Control (AIRC), Cairo, Egypt, 2022, pp. 67–76, doi: 10.1109/AIRC56195.2022.9836982.
LibreCat
| DOI
| Download (ext.)
2022 | Conference Paper | LibreCat-ID: 31066
O. Schön, R.-S. Götte, and J. Timmermann, “Multi-Objective Physics-Guided Recurrent Neural Networks for Identifying Non-Autonomous Dynamical Systems,” in 14th IFAC Workshop on Adaptive and Learning Control Systems (ALCOS 2022), Casablanca, Morocco, 2022, vol. 55, no. 12, pp. 19–24, doi: https://doi.org/10.1016/j.ifacol.2022.07.282.
LibreCat
| DOI
2022 | Conference Paper | LibreCat-ID: 29803
M. Hesse, M. Hunstig, J. Timmermann, and A. Trächtler, “Batch Constrained Bayesian Optimization for UltrasonicWire Bonding Feed-forward Control Design,” in Proceedings of the 11th International Conference on Pattern Recognition Applications and Methods (ICPRAM), Online, 2022, pp. 383–394.
LibreCat
2022 | Conference Paper | LibreCat-ID: 26389 |

A. Junker, J. Timmermann, and A. Trächtler, “Data-Driven Models for Control Engineering Applications Using the Koopman Operator,” in 2022 3rd International Conference on Artificial Intelligence, Robotics and Control (AIRC 2022), Cairo, Egypt, 2022, pp. 1–9, doi: 10.1109/AIRC56195.2022.9836980.
LibreCat
| DOI
| Download (ext.)
2022 | Journal Article | LibreCat-ID: 50071 |

A. Junker, J. Timmermann, and A. Trächtler, “Learning Data-Driven PCHD Models for Control Engineering Applications*,” IFAC-PapersOnLine, vol. 55, no. 12, pp. 389–394, 2022, doi: 10.1016/j.ifacol.2022.07.343.
LibreCat
| DOI
| Download (ext.)
2022 | Conference Paper | LibreCat-ID: 34011 |

A. Junker, N. Fittkau, J. Timmermann, and A. Trächtler, “Autonomes Putten mittels datengetriebener und physikbasierter Methoden,” in Proceedings - 32. Workshop Computational Intelligence: Berlin, 1. - 2. Dezember 2022, Berlin, Germany, 2022, pp. 119–124, doi: 10.5445/KSP/1000151141.
LibreCat
| DOI
| Download (ext.)
2018 | Book Chapter | LibreCat-ID: 22984
C. Lüke, J. Timmermann, J. H. Kessler, and A. Trächtler, “Intelligente Steuerungen und Regelungen,” in Steigerung der Intelligenz mechatronischer Systeme, vol. 1, Springer Vieweg, 2018, pp. 153–192.
LibreCat
2018 | Journal Article | LibreCat-ID: 22996
M. Hesse, J. Timmermann, E. Hüllermeier, and A. Trächtler, “A Reinforcement Learning Strategy for the Swing-Up of the Double Pendulum on a Cart,” Procedia Manufacturing, vol. 24, pp. 15–20, 2018.
LibreCat
2017 | Conference Paper | LibreCat-ID: 23005
K. Xu, J. Timmermann, and A. Trächtler, “Nonlinear Model Predictive Control with Discrete Mechanics and Optimal Control,” in Proc. Advanced Intelligent Mechatronics (AIM), 2017.
LibreCat
2017 | Conference Paper | LibreCat-ID: 23006
K. Xu, J. Timmermann, and A. Trächtler, “Swing-up of the moving double pendulum on a cart with simulation based LQR-Trees,” in Proc. 20th IFAC World Congress, 2017.
LibreCat
2014 | Journal Article | LibreCat-ID: 23110
K. Flaßkamp, J. Timmermann, S. Ober-Blöbaum, and A. Trächtler, “Control strategies on stable manifolds for energyefficient swing-ups of double pendula,” International Journal of Control, vol. DOI: 10.1080/00207179.2014.893450, pp. 1–20, 2014.
LibreCat
2014 | Dissertation | LibreCat-ID: 42237 |

J. Timmermann, Optimale Steuerung und Mehrzieloptimierung von dynamischen Systemen untersucht am Beispiel des Mehrfachpendels. 2014.
LibreCat
| Download (ext.)
2012 | Conference Paper | LibreCat-ID: 23161
K. Flaßkamp, J. Timmermann, S. Ober-Blöbaum, M. Dellnitz, and A. Trächtler, “Optimal Control on Stable Manifolds for a Double Pendulum,” in Proceedings in Applied Mathematics and Mechanics, 2012, vol. 12(1), pp. 723–724.
LibreCat
2011 | Conference Paper | LibreCat-ID: 23182
D. Bielawny, M. Krüger, P. Reinold, J. Timmermann, and A. Trächtler, “Iterative learning of Stochastic Disturbance Profiles Using Bayesian Networks,” in 9th International Conference on Industrial Informatics (INDIN), 2011.
LibreCat
2011 | Journal Article | LibreCat-ID: 23197
J. Timmermann, “Optimale Steuerung durch DMOC mit Anwendungen am Doppelpendel,” Vortrag beim 45. Regelungstechnischen Kolloquium in Boppard, 2011.
LibreCat
2011 | Conference Paper | LibreCat-ID: 23180
J. Timmermann, S. Khatab, S. Ober-Blöbaum, and A. Trächtler, “Discrete Mechanics and Optimal Control and its Application to a Double Pendulum on a Cart,” Milano, Italy, 2011.
LibreCat
2009 | Conference Paper | LibreCat-ID: 23237
S. Ober-Blöbaum and J. Timmermann, “Optimal Control for a Pitcher’s Motion Modeled as Constrained Mechanical System,” San Diego, CA, USA, 2009.
LibreCat
25 Publications
2024 | Journal Article | LibreCat-ID: 57893 |

A. Junker, J. Timmermann, and A. Trächtler, “Adaptive Data‐Driven Models in Port‐Hamiltonian Form for Control Design,” PAMM, vol. 25, no. 1, 2024, doi: 10.1002/pamm.202400154.
LibreCat
| DOI
| Download (ext.)
2024 | Journal Article | LibreCat-ID: 59051
R.-S. Götte and J. Timmermann, “Online Learning With Joint State and Model Estimation,” PAMM, vol. 25, no. 1, 2024, doi: 10.1002/pamm.202400080.
LibreCat
| DOI
2023 | Conference Paper | LibreCat-ID: 34171
R.-S. Götte and J. Timmermann, “Estimating States and Model Uncertainties Jointly by a Sparsity Promoting UKF,” in 12th IFAC Symposium on Nonlinear Control Systems (NOLCOS 2022), Canberra, Australien, 2023, vol. 56, no. 1, pp. 85–90, doi: https://doi.org/10.1016/j.ifacol.2023.02.015.
LibreCat
| DOI
2023 | Conference Paper | LibreCat-ID: 44326
R.-S. Götte and J. Timmermann, “Approximating a Laplacian Prior for Joint State and Model Estimation within an UKF,” in IFAC-PapersOnLine, Yokohama, Japan, 2023, vol. 56, no. 2, pp. 869–874.
LibreCat
2023 | Conference Paper | LibreCat-ID: 48482 |

R.-S. Götte, J. N. Klusmann, and J. Timmermann, “Data-driven identification of disturbances using a sliding mode observer,” in Proceedings - 33. Workshop Computational Intelligence: Berlin, 23.-24. November 2023, Berlin, Germany, 2023, pp. 113–123, doi: 10.5445/KSP/1000162754.
LibreCat
| DOI
| Download (ext.)
2023 | Conference Paper | LibreCat-ID: 48476
M. Hesse, J. Timmermann, and A. Trächtler, “Hybrid Optimal Control for Dynamical Systems using Gaussian Process Regression and Unscented Transform*,” 2023, doi: 10.23919/ecc57647.2023.10178368.
LibreCat
| DOI
2023 | Conference Paper | LibreCat-ID: 42238 |

A. Junker, N. Fittkau, J. Timmermann, and A. Trächtler, “Autonomous Golf Putting with Data-Driven and Physics-Based Methods,” presented at the 2022 Sixth IEEE International Conference on Robotic Computing (IRC), Naples, Italy, 2023, doi: 10.1109/irc55401.2022.00031.
LibreCat
| DOI
| Download (ext.)
2023 | Journal Article | LibreCat-ID: 50070 |

A. Junker, K. E. F. Pape, J. Timmermann, and A. Trächtler, “Adaptive Koopman-Based Models for Holistic Controller and Observer Design,” IFAC-PapersOnLine, vol. 56, no. 3, pp. 625–630, 2023, doi: 10.1016/j.ifacol.2023.12.094.
LibreCat
| DOI
| Download (ext.)
2022 | Conference Paper | LibreCat-ID: 26539 |

R.-S. Götte and J. Timmermann, “Composed Physics- and Data-driven System Identification for Non-autonomous Systems in Control Engineering,” in 2022 3rd International Conference on Artificial Intelligence, Robotics and Control (AIRC), Cairo, Egypt, 2022, pp. 67–76, doi: 10.1109/AIRC56195.2022.9836982.
LibreCat
| DOI
| Download (ext.)
2022 | Conference Paper | LibreCat-ID: 31066
O. Schön, R.-S. Götte, and J. Timmermann, “Multi-Objective Physics-Guided Recurrent Neural Networks for Identifying Non-Autonomous Dynamical Systems,” in 14th IFAC Workshop on Adaptive and Learning Control Systems (ALCOS 2022), Casablanca, Morocco, 2022, vol. 55, no. 12, pp. 19–24, doi: https://doi.org/10.1016/j.ifacol.2022.07.282.
LibreCat
| DOI
2022 | Conference Paper | LibreCat-ID: 29803
M. Hesse, M. Hunstig, J. Timmermann, and A. Trächtler, “Batch Constrained Bayesian Optimization for UltrasonicWire Bonding Feed-forward Control Design,” in Proceedings of the 11th International Conference on Pattern Recognition Applications and Methods (ICPRAM), Online, 2022, pp. 383–394.
LibreCat
2022 | Conference Paper | LibreCat-ID: 26389 |

A. Junker, J. Timmermann, and A. Trächtler, “Data-Driven Models for Control Engineering Applications Using the Koopman Operator,” in 2022 3rd International Conference on Artificial Intelligence, Robotics and Control (AIRC 2022), Cairo, Egypt, 2022, pp. 1–9, doi: 10.1109/AIRC56195.2022.9836980.
LibreCat
| DOI
| Download (ext.)
2022 | Journal Article | LibreCat-ID: 50071 |

A. Junker, J. Timmermann, and A. Trächtler, “Learning Data-Driven PCHD Models for Control Engineering Applications*,” IFAC-PapersOnLine, vol. 55, no. 12, pp. 389–394, 2022, doi: 10.1016/j.ifacol.2022.07.343.
LibreCat
| DOI
| Download (ext.)
2022 | Conference Paper | LibreCat-ID: 34011 |

A. Junker, N. Fittkau, J. Timmermann, and A. Trächtler, “Autonomes Putten mittels datengetriebener und physikbasierter Methoden,” in Proceedings - 32. Workshop Computational Intelligence: Berlin, 1. - 2. Dezember 2022, Berlin, Germany, 2022, pp. 119–124, doi: 10.5445/KSP/1000151141.
LibreCat
| DOI
| Download (ext.)
2018 | Book Chapter | LibreCat-ID: 22984
C. Lüke, J. Timmermann, J. H. Kessler, and A. Trächtler, “Intelligente Steuerungen und Regelungen,” in Steigerung der Intelligenz mechatronischer Systeme, vol. 1, Springer Vieweg, 2018, pp. 153–192.
LibreCat
2018 | Journal Article | LibreCat-ID: 22996
M. Hesse, J. Timmermann, E. Hüllermeier, and A. Trächtler, “A Reinforcement Learning Strategy for the Swing-Up of the Double Pendulum on a Cart,” Procedia Manufacturing, vol. 24, pp. 15–20, 2018.
LibreCat
2017 | Conference Paper | LibreCat-ID: 23005
K. Xu, J. Timmermann, and A. Trächtler, “Nonlinear Model Predictive Control with Discrete Mechanics and Optimal Control,” in Proc. Advanced Intelligent Mechatronics (AIM), 2017.
LibreCat
2017 | Conference Paper | LibreCat-ID: 23006
K. Xu, J. Timmermann, and A. Trächtler, “Swing-up of the moving double pendulum on a cart with simulation based LQR-Trees,” in Proc. 20th IFAC World Congress, 2017.
LibreCat
2014 | Journal Article | LibreCat-ID: 23110
K. Flaßkamp, J. Timmermann, S. Ober-Blöbaum, and A. Trächtler, “Control strategies on stable manifolds for energyefficient swing-ups of double pendula,” International Journal of Control, vol. DOI: 10.1080/00207179.2014.893450, pp. 1–20, 2014.
LibreCat
2014 | Dissertation | LibreCat-ID: 42237 |

J. Timmermann, Optimale Steuerung und Mehrzieloptimierung von dynamischen Systemen untersucht am Beispiel des Mehrfachpendels. 2014.
LibreCat
| Download (ext.)
2012 | Conference Paper | LibreCat-ID: 23161
K. Flaßkamp, J. Timmermann, S. Ober-Blöbaum, M. Dellnitz, and A. Trächtler, “Optimal Control on Stable Manifolds for a Double Pendulum,” in Proceedings in Applied Mathematics and Mechanics, 2012, vol. 12(1), pp. 723–724.
LibreCat
2011 | Conference Paper | LibreCat-ID: 23182
D. Bielawny, M. Krüger, P. Reinold, J. Timmermann, and A. Trächtler, “Iterative learning of Stochastic Disturbance Profiles Using Bayesian Networks,” in 9th International Conference on Industrial Informatics (INDIN), 2011.
LibreCat
2011 | Journal Article | LibreCat-ID: 23197
J. Timmermann, “Optimale Steuerung durch DMOC mit Anwendungen am Doppelpendel,” Vortrag beim 45. Regelungstechnischen Kolloquium in Boppard, 2011.
LibreCat
2011 | Conference Paper | LibreCat-ID: 23180
J. Timmermann, S. Khatab, S. Ober-Blöbaum, and A. Trächtler, “Discrete Mechanics and Optimal Control and its Application to a Double Pendulum on a Cart,” Milano, Italy, 2011.
LibreCat
2009 | Conference Paper | LibreCat-ID: 23237
S. Ober-Blöbaum and J. Timmermann, “Optimal Control for a Pitcher’s Motion Modeled as Constrained Mechanical System,” San Diego, CA, USA, 2009.
LibreCat