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= Peer-reviewed conference publications (36)

=== 2023 (8)
Rosbo, J.W., *Ritschel, T.K.S.*, Hørsholt, S., Jensen, A.D., Jørgensen, J.B., Huusom, J.K., 2023. Optimal Power Distribution in a P2A plant. *In:* Proceedings of the 33rd European Symposium on Computer-aided Process Engineering (ESCAPE), June 18-21, Athens, Greece. Accepted.

*Ritschel, T.K.S.*, 2023. A Newton-like Method based on Model Reduction Techniques for Implicit Numerical Methods. *In:* Proceedings of the 2023 European Control Conference, June 13-16, Bucharest, Romania. Accepted. arXiv: [http://arxiv.org/abs/2303.06978 2303.06978].

Cantisani, N., *Ritschel, T.K.S.*, Thilker, C.A., Madsen, H., Jørgensen, J.B., 2023. Modeling, Scientific Computing and Optimal Control for Renewable Energy Systems with Storage. *In:* Proceedings of the 2023 European Control Conference, June 13-16, Bucharest, Romania. Accepted. arXiv: [http://arxiv.org/abs/2212.08842 2212.08842].

Andersen, A.H.D., Zhang, Z., Hørsholt, S., *Ritschel, T.K.S.*, Jørgensen, J.B., 2023. Software principles and concepts applied in the implementation of cyber-physical systems for real-time advanced process control. *In:* Proceedings of the 2023 European Control Conference, June 13-16, Bucharest, Romania. Accepted. arXiv: [https://doi.org/10.48550/arXiv.2302.13595 2302.13595].

*Ritschel, T.K.S.*, Reenberg, A.T., Lindkvist, E.B., Laugesen, C., Svensson, J., Ranjan, A.G., Nørgaard, K., Dammann, B., Jørgensen, J.B., 2022. A One-size-fits-all Artificial Pancreas for People with Type 1 Diabetes based on Physiological Insight and Feedback Control. *In:* Proceedings of the 2023 European Control Conference, June 13-16, Bucharest, Romania. Accepted. arXiv: [https://arxiv.org/abs/2202.13338 2202.13338].

Martinsen, E.S., Rosbo, J.W., Andersen, A.H.D., *Ritschel, T.K.S.*, Hørsholt, S., Huusom, J.K., Jørgensen, J.B., 2023. Modeling and Simulation of a Single Catalytic Fixed Bed in an Ammonia Reactor. *In:* Proceedings of the 2023 IFAC World Congress, July 9-14, Yokohama, Japan. Accepted.

Andersen, A.H.D., *Ritschel, T.K.S.*, Hørsholt, S., Huusom, J.K., Jørgensen, J.B., 2023. Model-based Control Algorithms for the Quadruple Tank System: An experimental comparison. *In:* /Proceedings of Foundations of Computer Aided Process Operations \/ Chemical Process Control 2023 (FOCAPO\/CPC)/, January 8-12, San Antonio, Texas, USA. Accepted. arXiv: [https://arxiv.org/abs/2212.04798 2212.04798].

Nielsen, M.K., *Ritschel, T.K.S.*, Christensen, I., Dragheim, J., Huusom, J.K., Gernaey, K., Jørgensen, J.B., 2023. State Estimation Methods for Continuous-discrete Nonlinear Systems involving Stochastic Differential Equations. *In:* /Proceedings of Foundations of Computer Aided Process Operations \/ Chemical Process Control 2023 (FOCAPO\/CPC)/, January 8-12, San Antonio, Texas, USA. Accepted. arXiv: [https://arxiv.org/abs/2205.02730 2205.02730].

=== 2022 (8)
Engell, S.E., Aradóttir, T.B., *Ritschel, T.K.S.*, Bengtsson, H., Jørgensen, J.B., 2022. Estimating a Personalized Basal Insulin Dose from Short-term Closed-loop Data in Type 2 Diabetes. *In:* Proceedings of the 61st IEEE Conference on Decision and Control (CDC), Cancún, Mexico, December, 6-9. arXiv: [http://arxiv.org/abs/2211.14149 2211.14149]. DOI: [https://doi.org/10.1109/CDC51059.2022.9992960 10.1109/CDC51059.2022.9992960].

*Ritschel, T.K.S.*, Reenberg, A.T., Jørgensen, J.B., 2022. Large-scale Virtual Clinical Trials of Closed-loop Treatments for People with Type 1 Diabetes. IFAC-PapersOnLine 55(23), pp. 169--174. arXiv: [https://arxiv.org/abs/2205.01332 2205.01332]. DOI: [https://doi.org/10.1016/j.ifacol.2023.01.037 10.1016/j.ifacol.2023.01.037].

Carstensen, P.E., Bendsen, J., Reenberg, A.T., *Ritschel, T.K.S.*, Jørgensen, J.B., 2022. A whole-body multi-scale mathematical model for dynamic simulation of the metabolism in man. IFAC-PapersOnLine 55(23), pp. 58--63. arXiv: [http://arxiv.org/abs/2205.01473 2205.01473]. DOI: [https://doi.org/10.1016/j.ifacol.2023.01.015 10.1016/j.ifacol.2023.01.015].

Reenberg, A.T., *Ritschel, T.K.S.*, Lindkvist, E.B., Laugesen, C., Svensson, J., Ranjan, A.G., Nørgaard, K., Jørgensen, J.B., 2022. Nonlinear Model Predictive Control and System Identification for a Dual-hormone Artificial Pancreas. IFAC-PapersOnLine 55(7), pp. 915--921. arXiv: [https://arxiv.org/abs/2202.13938 2202.13938]. DOI: [https://doi.org/10.1016/j.ifacol.2022.07.561 10.1016/j.ifacol.2022.07.561].

Wahlgreen, M.R., Meyer, K., *Ritschel, T.K.S.*, Engsig-Karup, A.P., Gernaey, K.V., Jørgensen, J.B., 2022. Modeling and Simulation of Upstream and Downstream Processes for Monoclonal Antibody Production. IFAC-PapersOnLine 55(7), pp. 685--690. DOI: [https://doi.org/10.1016/j.ifacol.2022.07.523 10.1016/j.ifacol.2022.07.523].

Furió-Novejarque, C., Sanz, R., Reenberg, A.T., *Ritschel, T.K.S.*, Ranjan, A.G., Nørgaard, K. and Díez, J.-L., Jørgensen, J.B., Bondia, J., 2022. Assessment of a new model of glucagon action with glucagon receptor dynamics. IFAC-PapersOnLine 55(20), pp. 647--652. DOI: [https://doi.org/10.1016/j.ifacol.2022.09.169 10.1016/j.ifacol.2022.09.169].

Sauerteig, P., Esterhuizen, W., Wilson, M., *Ritschel, T.K.S.*, Worthmann, K., Streif, S., 2022. Model Predictive control tailored to epidemic models. *In:* Proceedings of the 2022 European Control Conference (ECC), pp. 743--748, London, UK, July 12-15. arXiv: [https://arxiv.org/abs/2111.06688v1 2111.06688v1]. DOI: [https://doi.org/10.23919/ECC55457.2022.9838589 10.23919/ECC55457.2022.9838589].

Reenberg, A.T., *Ritschel, T.K.S.*, Dammann, B., Jørgensen, J.B., 2022. High-performance Uncertainty Quantification in Large-scale Virtual Clinical Trials of Closed-loop Diabetes Treatment. *In:* Proceedings of the 2022 American Control Conference (ACC), pp. 1367--1372, Atlanta, Georgia, USA, June 8-10. arXiv: [https://arxiv.org/abs/2202.13927 2202.13927]. DOI: [https://doi.org/10.23919/ACC53348.2022.9867234 ACC53348.2022.9867234].

=== 2021 (2)
Sejersen, M., Boiroux, D., Engell, S.E., *Ritschel, T.K.S.*, Reenberg, A.T., Jørgensen, J.B., 2021. Initial Titration for People with Type 1 Diabetes using an Artificial Pancreas. IFAC-PapersOnLine 54(15), pp. 484--489. DOI: [https://doi.org/10.1016/j.ifacol.2021.10.303 10.1016/j.ifacol.2021.10.303].

Wahlgreen, M.R., Reenberg, A.T., Nielsen, M.K., Rydahl, A., *Ritschel, T.K.S.*, Dammann, B., Jørgensen, J.B., 2021. A High-performance Monte Carlo Simulation Toolbox for Uncertainty Quantification of Closed-loop Systems. *In:* /Proceedings of the 60th Conference on Decision and Control/ (CDC), pp. 6755--6761, Austin, Texas, USA. DOI: [https://doi.org/10.1109/CDC45484.2021.9682781 10.1109/CDC45484.2021.9682781].

=== 2020 (3)
*Ritschel, T.K.S.*, Boiroux, D., Nielsen, M.K., Huusom, J.K., Jørgensen, S.B., Jørgensen, J.B., 2020. Economic Nonlinear Model Predictive Control of a U-loop Bioreactor. *In:* /Proceedings of the 2020 European Control Conference/ (ECC), pp. 208--213, Saint Petersburg, Russia, May 12-15. DOI: [https://doi.org/10.23919/ECC51009.2020.9143629 10.23919/ECC51009.2020.9143629].

Jørgensen, J.B., *Ritschel, T.K.S.*, Boiroux, D., Schroll-Fleischer, E., Wahlgreen, M.R., Nielsen, M.K., Wu, H., Huusom, J.K., 2020. Simulation of NMPC for a Laboratory Adiabatic CSTR with an Exothermic Reaction. *In:* /Proceedings of the 2020 European Control Conference/ (ECC), pp. 202--207, Saint Petersburg, Russia, May 12-15. DOI: [https://doi.org/10.23919/ECC51009.2020.9143733 10.23919/ECC51009.2020.9143733].

Wahlgreen, M.R., Schroll-Fleischer, E., Boiroux, D., *Ritschel, T.K.S.*, Wu, H., Huusom, J.K., Jørgensen, J.B., 2020. Nonlinear Model Predictive Control for an Exothermic Reaction in an Adiabatic CSTR. IFAC-Papers-OnLine 53(1), pp. 500--505. DOI: [https://doi.org/10.1016/j.ifacol.2020.06.084 10.1016/j.ifacol.2020.06.084].

=== 2019 (6)
Boiroux, D., *Ritschel, T.K.S.*, Poulsen, N. K., Madsen, H., Jørgensen, J.B., 2019. Efficient Computation of the Continuous-Discrete Extended Kalman Filter Sensitivities Applied to Maximum Likelihood Estimation. *In:* /Proceedings of the 58th IEEE Conference on Decision and Control/ (CDC), pp. 6983--6988, Nice, France, December 11-13. DOI: [https://doi.org/10.1109/CDC40024.2019.9029672 10.1109/CDC40024.2019.9029672].

Reenberg, A.T., Boiroux, D., *Ritschel, T.K.S.*, Jørgensen, J.B., 2019. Model Predictive Control of the Blood Glucose Concentration for Critically Ill Patients in Intensive Care Units. *In:* /Proceedings of the 58th IEEE Conference on Decision and Control/ (CDC), pp. 3762--3769, Nice, France, December 11-13. DOI: [https://doi.org/10.1109/CDC40024.2019.9029651 10.1109/CDC40024.2019.9029651].

*Ritschel, T.K.S.*, Boiroux, D., Nielsen, M.K., Huusom, J.K., Jørgensen, S.B., Jørgensen, J.B., 2019. Economic Optimal Control of a U-loop Bioreactor using Simultaneous Collocation-based Approaches. *In:* /Proceedings of the 3rd IEEE Conference on Control Technology and Applications/ (CCTA), pp. 933--938, Hong Kong, China, August 19-21. DOI: [https://doi.org/10.1109/CCTA.2019.8920479 10.1109/CCTA.2019.8920479].

*Ritschel, T.K.S.*, Boiroux, D., Nielsen, M.K., Huusom, J.K., Jørgensen, S.B., Jørgensen, J.B., 2019. The Extended Kalman Filter for Nonlinear State Estimation in a U-loop Bioreactor. *In:* /Proceedings of the 3rd IEEE Conference on Control Technology and Applications/ (CCTA), pp. 920--925, Hong Kong, China, August 19-21. DOI: [https://doi.org/10.1109/CCTA.2019.8920643 10.1109/CCTA.2019.8920643].

Hørsholt, A., Christiansen, L.H., *Ritschel, T.K.S.*, Meyer, K., Huusom, J.K., Jørgensen, J.B., 2019. State and Input Estimation of Nonlinear Chromatographic Processes. *In:* /Proceedings of the 3rd IEEE Conference on Control Technology and Applications/ (CCTA), pp. 1030--1035, Hong Kong, China, August 19-21. DOI: [https://doi.org/10.1109/CCTA.2019.8920651 10.1109/CCTA.2019.8920651].

*Ritschel, T.K.S.*, Jørgensen, J.B., 2019. Nonlinear Model Predictive Control for Disturbance Rejection in Isoenergetic-isochoric Flash Processes. IFAC-PapersOnLine 52(1), pp. 796--801. DOI: [https://doi.org/10.1016/j.ifacol.2019.06.159 10.1016/j.ifacol.2019.06.159].

=== 2018 (4)
*Ritschel, T.K.S.*, Jørgensen, J.B., 2018. Nonlinear Filters for State Estimation of UV Flash Processes. *In:* /Proceedings of the 2nd IEEE Conference on Control Technology and Applications/ (CCTA), pp. 1753--1760, Copenhagen, Denmark, August 21-24. DOI: [https://doi.org/10.1109/CCTA.2018.8511532 10.1109/CCTA.2018.8511532].

*Ritschel, T.K.S.*, Jørgensen, J.B., 2018. The Extended Kalman Filter for State Estimation of Dynamic UV Flash Processes. IFAC-PapersOnLine 51(8), pp. 164--169. DOI: [https://doi.org/10.1016/j.ifacol.2018.06.372 10.1016/j.ifacol.2018.06.372].

*Ritschel, T.K.S.*, Jørgensen, J.B., 2018. Computation of Phase Equilibrium in Reservoir Simulation and Optimization. IFAC-PapersOnLine 51(8), pp. 94--101. DOI: [https://doi.org/10.1016/j.ifacol.2018.06.361 10.1016/j.ifacol.2018.06.361].

*Ritschel, T.K.S.*, Jørgensen, J.B., 2018. Production Optimization of a Rigorous Thermal and Compositional Reservoir Flow Model. IFAC-PapersOnLine 51(8), pp. 76--81. DOI: [https://doi.org/10.1016/j.ifacol.2018.06.358 10.1016/j.ifacol.2018.06.358].

=== 2017 (5)
*Ritschel, T.K.S.*, Capolei, A., Jørgensen, J.B., 2017. The Adjoint Method for Gradient-based Dynamic Optimization of UV Flash Processes. Computer Aided Chemical Engineering 40, pp. 2071--2076. DOI: [https://doi.org/10.1016/B978-0-444-63965-3.50347-0 10.1016/B978-0-444-63965-3.50347-0].

Drejer, A., *Ritschel, T.K.S.*, Jørgensen, S.B., Jørgensen, J.B., 2017. Economic Optimizing Control for Single-Cell Protein Production in a U-loop Reactor. Computer Aided Chemical Engineering 40, pp. 1759--1764. DOI: [https://doi.org/10.1016/B978-0-444-63965-3.50295-6 10.1016/B978-0-444-63965-3.50295-6].

Gaspar, J., *Ritschel, T.K.S.*, Jørgensen, J.B., 2017. An Efficient and Rigorous Thermodynamic Library and Optimal-control of a Cryogenic Air Separation Unit. Computer Aided Chemical Engineering 40, pp. 1543--1548. DOI: [https://doi.org/10.1016/B978-0-444-63965-3.50259-2 10.1016/B978-0-444-63965-3.50259-2].

*Ritschel, T.K.S.*, Gaspar, J., Jørgensen, J.B., 2017. A Thermodynamic Library for Simulation and Optimization of Dynamic Processes. IFAC-PapersOnLine 50(1), pp. 3542--3547. DOI: [https://doi.org/10.1016/j.ifacol.2017.08.951 10.1016/j.ifacol.2017.08.951].

*Ritschel, T.K.S.*, Capolei, A., Jørgensen, J.B., 2017. Dynamic Optimization of UV Flash Processes. *In:* /Proceedings of Foundations of Computer Aided Process Operations \/ Chemical Process Control 2017/ (FOCAPO\/CPC), January 8-12, Tucson, Arizona, USA. [https://orbit.dtu.dk/en/publications/dynamic-optimization-of-uv-flash-processes Link].

= Additional conference publications (2)
=== 2019 (1)
Mahmoudi, Z., Boiroux, D., *Ritschel, T.K.S.*, Jørgensen, J.B., 2019. Filtering and Prediction of the Blood Glucose Concentration using an Android Smart Phone and a Continuous Glucose Monitor. arXiv: [https://arxiv.org/abs/1908.10234 1908.10234v1].

=== 2018 (1)
*Ritschel, T.K.S.*, Jørgensen, J.B., 2018. Production Optimization of Thermodynamically Rigorous Isothermal and Compositional Models. *In:* /Proceedings of the 16th European Conference on the Mathematics of Oil Recovery/ (ECMOR), pp. 1--13, September 3-6, Barcelona, Spain. DOI: [https://doi.org/10.3997/2214-4609.201802112 10.3997/2214-4609.201802112].