24 Publications
2024 | Journal Article | LibreCat-ID: 57893 | 
Junker, Annika, Julia Timmermann, and Ansgar Trächtler. “Adaptive Data‐Driven Models in Port‐Hamiltonian Form for Control Design.” PAMM 25, no. 1 (2024). https://doi.org/10.1002/pamm.202400154.
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2023 | Conference Paper | LibreCat-ID: 34171
Götte, Ricarda-Samantha, and Julia Timmermann. “Estimating States and Model Uncertainties Jointly by a Sparsity Promoting UKF.” In 12th IFAC Symposium on Nonlinear Control Systems (NOLCOS 2022), 56:85–90, 2023. https://doi.org/10.1016/j.ifacol.2023.02.015.
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| DOI
2023 | Conference Paper | LibreCat-ID: 44326
Götte, Ricarda-Samantha, and Julia Timmermann. “Approximating a Laplacian Prior for Joint State and Model Estimation within an UKF.” In IFAC-PapersOnLine, 56:869–74, 2023.
LibreCat
2023 | Conference Paper | LibreCat-ID: 48482 |
Götte, Ricarda-Samantha, Jo Noel Klusmann, and Julia Timmermann. “Data-Driven Identification of Disturbances Using a Sliding Mode Observer.” In Proceedings - 33. Workshop Computational Intelligence: Berlin, 23.-24. November 2023, 113–23, 2023. https://doi.org/10.5445/KSP/1000162754.
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2023 | Conference Paper | LibreCat-ID: 48476
Hesse, Michael, Julia Timmermann, and Ansgar Trächtler. “Hybrid Optimal Control for Dynamical Systems Using Gaussian Process Regression and Unscented Transform*.” In 2023 European Control Conference (ECC). IEEE, 2023. https://doi.org/10.23919/ecc57647.2023.10178368.
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| DOI
2023 | Conference Paper | LibreCat-ID: 42238 |
Junker, Annika, Niklas Fittkau, Julia Timmermann, and Ansgar Trächtler. “Autonomous Golf Putting with Data-Driven and Physics-Based Methods.” In 2022 Sixth IEEE International Conference on Robotic Computing (IRC). IEEE, 2023. https://doi.org/10.1109/irc55401.2022.00031.
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2023 | Journal Article | LibreCat-ID: 50070 |
Junker, Annika, Keno Egon Friedrich Pape, Julia Timmermann, and Ansgar Trächtler. “Adaptive Koopman-Based Models for Holistic Controller and Observer Design.” IFAC-PapersOnLine 56, no. 3 (2023): 625–30. https://doi.org/10.1016/j.ifacol.2023.12.094.
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2022 | Conference Paper | LibreCat-ID: 26539 |
Götte, Ricarda-Samantha, and Julia 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), 67–76, 2022. https://doi.org/10.1109/AIRC56195.2022.9836982.
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2022 | Conference Paper | LibreCat-ID: 31066
Schön, Oliver, Ricarda-Samantha Götte, and Julia 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), 55:19–24, 2022. https://doi.org/10.1016/j.ifacol.2022.07.282.
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2022 | Conference Paper | LibreCat-ID: 29803
Hesse, Michael, Matthias Hunstig, Julia Timmermann, and Ansgar 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), 383–94, 2022.
LibreCat
2022 | Conference Paper | LibreCat-ID: 26389 |
Junker, Annika, Julia Timmermann, and Ansgar 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), 1–9, 2022. https://doi.org/10.1109/AIRC56195.2022.9836980.
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2022 | Journal Article | LibreCat-ID: 50071 |
Junker, Annika, Julia Timmermann, and Ansgar Trächtler. “Learning Data-Driven PCHD Models for Control Engineering Applications*.” IFAC-PapersOnLine 55, no. 12 (2022): 389–94. https://doi.org/10.1016/j.ifacol.2022.07.343.
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2022 | Conference Paper | LibreCat-ID: 34011 |
Junker, Annika, Niklas Fittkau, Julia Timmermann, and Ansgar Trächtler. “Autonomes Putten Mittels Datengetriebener Und Physikbasierter Methoden.” In Proceedings - 32. Workshop Computational Intelligence: Berlin, 1. - 2. Dezember 2022, 119–24, 2022. https://doi.org/10.5445/KSP/1000151141.
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2018 | Book Chapter | LibreCat-ID: 22984
Lüke, Christopher, Julia Timmermann, Jan Henning Kessler, and Ansgar Trächtler. “Intelligente Steuerungen Und Regelungen.” In Steigerung Der Intelligenz Mechatronischer Systeme, 1:153–92. Springer Vieweg, 2018.
LibreCat
2018 | Journal Article | LibreCat-ID: 22996
Hesse, Michael, Julia Timmermann, Eyke Hüllermeier, and Ansgar Trächtler. “A Reinforcement Learning Strategy for the Swing-Up of the Double Pendulum on a Cart.” Procedia Manufacturing 24 (2018): 15–20.
LibreCat
2017 | Conference Paper | LibreCat-ID: 23005
Xu, Ke, Julia Timmermann, and Ansgar Trächtler. “Nonlinear Model Predictive Control with Discrete Mechanics and Optimal Control.” In Proc. Advanced Intelligent Mechatronics (AIM). IEEE, 2017.
LibreCat
2017 | Conference Paper | LibreCat-ID: 23006
Xu, Ke, Julia Timmermann, and Ansgar 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
Flaßkamp, Kathrin, Julia Timmermann, Sina Ober-Blöbaum, and Ansgar Trächtler. “Control Strategies on Stable Manifolds for Energyefficient Swing-Ups of Double Pendula.” International Journal of Control DOI: 10.1080/00207179.2014.893450 (2014): 1–20.
LibreCat
2014 | Dissertation | LibreCat-ID: 42237 |
Timmermann, Julia. Optimale Steuerung und Mehrzieloptimierung von dynamischen Systemen untersucht am Beispiel des Mehrfachpendels, 2014.
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| Download (ext.)
2012 | Conference Paper | LibreCat-ID: 23161
Flaßkamp, Kathrin, Julia Timmermann, Sina Ober-Blöbaum, Michael Dellnitz, and Ansgar Trächtler. “Optimal Control on Stable Manifolds for a Double Pendulum.” In Proceedings in Applied Mathematics and Mechanics, 12(1):723–24, 2012.
LibreCat
2011 | Conference Paper | LibreCat-ID: 23182
Bielawny, Dirk, Martin Krüger, Peter Reinold, Julia Timmermann, and Ansgar 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
Timmermann, Julia. “Optimale Steuerung Durch DMOC Mit Anwendungen Am Doppelpendel.” Vortrag Beim 45. Regelungstechnischen Kolloquium in Boppard, 2011.
LibreCat
2011 | Conference Paper | LibreCat-ID: 23180
Timmermann, Julia, Shaady Khatab, Sina Ober-Blöbaum, and Ansgar Trächtler. “Discrete Mechanics and Optimal Control and Its Application to a Double Pendulum on a Cart.” In 18th IFAC World Congress 2011. Milano, 2011.
LibreCat
2009 | Conference Paper | LibreCat-ID: 23237
Ober-Blöbaum, Sina, and Julia Timmermann. “Optimal Control for a Pitcher’s Motion Modeled as Constrained Mechanical System.” In 7th International Conference on Multibody Systems, Nonlinear Dynamics, and Contro, ASME International Design Engineering Technical Conferences . San Diego: ASME, 2009.
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24 Publications
2024 | Journal Article | LibreCat-ID: 57893 |
Junker, Annika, Julia Timmermann, and Ansgar Trächtler. “Adaptive Data‐Driven Models in Port‐Hamiltonian Form for Control Design.” PAMM 25, no. 1 (2024). https://doi.org/10.1002/pamm.202400154.
LibreCat
| DOI
| Download (ext.)
2023 | Conference Paper | LibreCat-ID: 34171
Götte, Ricarda-Samantha, and Julia Timmermann. “Estimating States and Model Uncertainties Jointly by a Sparsity Promoting UKF.” In 12th IFAC Symposium on Nonlinear Control Systems (NOLCOS 2022), 56:85–90, 2023. https://doi.org/10.1016/j.ifacol.2023.02.015.
LibreCat
| DOI
2023 | Conference Paper | LibreCat-ID: 44326
Götte, Ricarda-Samantha, and Julia Timmermann. “Approximating a Laplacian Prior for Joint State and Model Estimation within an UKF.” In IFAC-PapersOnLine, 56:869–74, 2023.
LibreCat
2023 | Conference Paper | LibreCat-ID: 48482 |
Götte, Ricarda-Samantha, Jo Noel Klusmann, and Julia Timmermann. “Data-Driven Identification of Disturbances Using a Sliding Mode Observer.” In Proceedings - 33. Workshop Computational Intelligence: Berlin, 23.-24. November 2023, 113–23, 2023. https://doi.org/10.5445/KSP/1000162754.
LibreCat
| DOI
| Download (ext.)
2023 | Conference Paper | LibreCat-ID: 48476
Hesse, Michael, Julia Timmermann, and Ansgar Trächtler. “Hybrid Optimal Control for Dynamical Systems Using Gaussian Process Regression and Unscented Transform*.” In 2023 European Control Conference (ECC). IEEE, 2023. https://doi.org/10.23919/ecc57647.2023.10178368.
LibreCat
| DOI
2023 | Conference Paper | LibreCat-ID: 42238 |
Junker, Annika, Niklas Fittkau, Julia Timmermann, and Ansgar Trächtler. “Autonomous Golf Putting with Data-Driven and Physics-Based Methods.” In 2022 Sixth IEEE International Conference on Robotic Computing (IRC). IEEE, 2023. https://doi.org/10.1109/irc55401.2022.00031.
LibreCat
| DOI
| Download (ext.)
2023 | Journal Article | LibreCat-ID: 50070 |
Junker, Annika, Keno Egon Friedrich Pape, Julia Timmermann, and Ansgar Trächtler. “Adaptive Koopman-Based Models for Holistic Controller and Observer Design.” IFAC-PapersOnLine 56, no. 3 (2023): 625–30. https://doi.org/10.1016/j.ifacol.2023.12.094.
LibreCat
| DOI
| Download (ext.)
2022 | Conference Paper | LibreCat-ID: 26539 |
Götte, Ricarda-Samantha, and Julia 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), 67–76, 2022. https://doi.org/10.1109/AIRC56195.2022.9836982.
LibreCat
| DOI
| Download (ext.)
2022 | Conference Paper | LibreCat-ID: 31066
Schön, Oliver, Ricarda-Samantha Götte, and Julia 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), 55:19–24, 2022. https://doi.org/10.1016/j.ifacol.2022.07.282.
LibreCat
| DOI
2022 | Conference Paper | LibreCat-ID: 29803
Hesse, Michael, Matthias Hunstig, Julia Timmermann, and Ansgar 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), 383–94, 2022.
LibreCat
2022 | Conference Paper | LibreCat-ID: 26389 |
Junker, Annika, Julia Timmermann, and Ansgar 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), 1–9, 2022. https://doi.org/10.1109/AIRC56195.2022.9836980.
LibreCat
| DOI
| Download (ext.)
2022 | Journal Article | LibreCat-ID: 50071 |
Junker, Annika, Julia Timmermann, and Ansgar Trächtler. “Learning Data-Driven PCHD Models for Control Engineering Applications*.” IFAC-PapersOnLine 55, no. 12 (2022): 389–94. https://doi.org/10.1016/j.ifacol.2022.07.343.
LibreCat
| DOI
| Download (ext.)
2022 | Conference Paper | LibreCat-ID: 34011 |
Junker, Annika, Niklas Fittkau, Julia Timmermann, and Ansgar Trächtler. “Autonomes Putten Mittels Datengetriebener Und Physikbasierter Methoden.” In Proceedings - 32. Workshop Computational Intelligence: Berlin, 1. - 2. Dezember 2022, 119–24, 2022. https://doi.org/10.5445/KSP/1000151141.
LibreCat
| DOI
| Download (ext.)
2018 | Book Chapter | LibreCat-ID: 22984
Lüke, Christopher, Julia Timmermann, Jan Henning Kessler, and Ansgar Trächtler. “Intelligente Steuerungen Und Regelungen.” In Steigerung Der Intelligenz Mechatronischer Systeme, 1:153–92. Springer Vieweg, 2018.
LibreCat
2018 | Journal Article | LibreCat-ID: 22996
Hesse, Michael, Julia Timmermann, Eyke Hüllermeier, and Ansgar Trächtler. “A Reinforcement Learning Strategy for the Swing-Up of the Double Pendulum on a Cart.” Procedia Manufacturing 24 (2018): 15–20.
LibreCat
2017 | Conference Paper | LibreCat-ID: 23005
Xu, Ke, Julia Timmermann, and Ansgar Trächtler. “Nonlinear Model Predictive Control with Discrete Mechanics and Optimal Control.” In Proc. Advanced Intelligent Mechatronics (AIM). IEEE, 2017.
LibreCat
2017 | Conference Paper | LibreCat-ID: 23006
Xu, Ke, Julia Timmermann, and Ansgar 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
Flaßkamp, Kathrin, Julia Timmermann, Sina Ober-Blöbaum, and Ansgar Trächtler. “Control Strategies on Stable Manifolds for Energyefficient Swing-Ups of Double Pendula.” International Journal of Control DOI: 10.1080/00207179.2014.893450 (2014): 1–20.
LibreCat
2014 | Dissertation | LibreCat-ID: 42237 |
Timmermann, Julia. Optimale Steuerung und Mehrzieloptimierung von dynamischen Systemen untersucht am Beispiel des Mehrfachpendels, 2014.
LibreCat
| Download (ext.)
2012 | Conference Paper | LibreCat-ID: 23161
Flaßkamp, Kathrin, Julia Timmermann, Sina Ober-Blöbaum, Michael Dellnitz, and Ansgar Trächtler. “Optimal Control on Stable Manifolds for a Double Pendulum.” In Proceedings in Applied Mathematics and Mechanics, 12(1):723–24, 2012.
LibreCat
2011 | Conference Paper | LibreCat-ID: 23182
Bielawny, Dirk, Martin Krüger, Peter Reinold, Julia Timmermann, and Ansgar 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
Timmermann, Julia. “Optimale Steuerung Durch DMOC Mit Anwendungen Am Doppelpendel.” Vortrag Beim 45. Regelungstechnischen Kolloquium in Boppard, 2011.
LibreCat
2011 | Conference Paper | LibreCat-ID: 23180
Timmermann, Julia, Shaady Khatab, Sina Ober-Blöbaum, and Ansgar Trächtler. “Discrete Mechanics and Optimal Control and Its Application to a Double Pendulum on a Cart.” In 18th IFAC World Congress 2011. Milano, 2011.
LibreCat
2009 | Conference Paper | LibreCat-ID: 23237
Ober-Blöbaum, Sina, and Julia Timmermann. “Optimal Control for a Pitcher’s Motion Modeled as Constrained Mechanical System.” In 7th International Conference on Multibody Systems, Nonlinear Dynamics, and Contro, ASME International Design Engineering Technical Conferences . San Diego: ASME, 2009.
LibreCat