# Research Findings and Technical Contributions From Our Work Professional Exchange ## Sharing Knowledge. Advancing Development. Our contributions document findings from research, development, and practical application. They provide transparency, encourage professional exchange, and make new methods and approaches available to others. ### 2026 #### BauSIM 2026 Wilde, A., Schwan, T., Leuschke, M., Wicke, M. (2026): *Dynamic plant and network simulation for sizing ambient-temperature district heating networks: A case study of an inner-city district in Dresden.* BauSIM 2026, Zurich, September 9–11, 2026. [Download publication](/documents/sites/ea-energy/company/publications/2026-bausim-dynamische-simulation.pdf) #### IPH-Energiekonferenz 2026 Unger, R. (05/2026): *Operating generation plants and storage for heating networks optimally at all times.* 8th IPH Energy Conference, Weimar, May 21, 2026. [View LinkedIn post](https://de.linkedin.com/posts/ren%C3%A9-unger-b24049107_w%C3%A4rmenetze-und-energiezentralen-mithilfe-activity-7468688653356228608-h390) ### 2025 #### Modelica Conference 2025 Leuschke, M. (2025): *BlueEnergy Application Tutorial in Modelon Impact.* Modelica Conference 2025. #### Building Simulation Conference 2025 Schwan, T., Tribulowski, K., Weiß, D., Wicke, M., Eckhardt, T. (08/2025): *Model-based co-design of LowEx heat supply and active thermal insulation systems.* 19th Conference of IBPSA, Brisbane, August 24–27, 2025, DOI: 10.26868/25222708.2025.1295. [View publication](https://publications.ibpsa.org/conference/paper/?id=bs2025_1295) #### Nature Engel, J., Castellani, A., Wollstadt, P. et al. (2025): *A Real-World Energy Management Dataset from a Smart Company Building for Optimization and Machine Learning.* Sci Data 12, 864 (2025) [View publication](https://www.nature.com/articles/s41597-025-05186-3) ### 2024 #### ESI Keysight User Conference 2024 Jirschik, P., Schwan, T. (2024): *Applications of large scale ice storage for city districts.* ESI Keysight User Conference 2024. ### 2023 #### Modelica Conference 2023 Schwan, T., Feige, D., Wenzel, L., Voelckner, C., Leuschke, M. (10/2023): *Automatic Optimization of Energy Supply Systems in Buildings and City Quarters based on Modelica Models.* 15th International Modelica Conference 2023, Aachen, October 9–11, 2023, DOI: 10.3384/ecp204779. [View publication](https://ecp.ep.liu.se/index.php/modelica/issue/view/83/89) #### Building Simulation Conference 2023 Schwan, T., Hentschel, A., Eckhardt, T., Jähnel, D., Unger, R. (09/2023): *An integrative Solution for rapid Simulation of urban-scale Energy Systems and GIS-based Visualization of the results on Maps.* BS2023, Shanghai, September 4–6, 2023. ### 2022 #### 15th Conference on Diagnostics in Mechatronic Vehicle Systems 2022 Pohl, D., Unger, R., Jähnel, D. (05/2022): *Digital service infrastructure for hydrogen refueling stations.* Diagnostics Conference 2022, Dresden, May 17–18, 2022. #### BauSIM2022 Eckstädt, E., Liersch, C., Hentschel, A., Hoch, R., Borchert, D., Khalili, M. (09/2022): *COMPARING BIM2SIM WORKFLOWS FOR COUPLED BUILDING AND HVAC SIMULATION.* BauSIM 2022, Weimar, 20-22 September 2022, DOI: 10.26868/29761662.2022.17. #### BauSIM2022 Paepcke, A., Leuschke, M., Hoch, R. (09/2022): *Stable simulation of thermohydraulic consumer networks with external pump control.* BauSIM 2022, Weimar, September 20–22, 2022, DOI: 10.26868/29761662.2022.63. [Download publication](/documents/sites/ea-energy/company/publications/2022-bausim-stabile-simulation.pdf) ### 2021 #### Modelica Conference 2021 Schwan, T., Wicke, M., Hentschel, A., Unger, R. (09/2021): *Modelica Models as Integral Part of the Building Design Process.* 14th International Modelica Conference, Online, September 20–24, 2021. #### Building Simulation Conference 2021 Schwan, T., Unger (09/2021): *Simulation-based Optimization of thermal Comfort in a heritage Manor House.* 17th International Building Simulation Conference, Bruges, September 1–3, 2021. ### 2020 #### Simulation Scenarios for Building Energy Simulation in Early Design Stages Eckstädt, E., Paepcke, A., Hentschel, A., Schneider, A., Nicolai, A., Schumann, F. (09/2020): *Simulation scenarios for building energy simulation in early design stages.* BauSIM 2020, 8th Conference of IBPSA Germany and Austria, Graz, September 23–25, 2020, DOI: 10.3217/978-3-85125-786-1-27. [View publication](https://diglib.tugraz.at/download.php?id=60599b907ac72&location=browse) ### 2019 #### Calibration of HVAC system models with monitoring data – Digital Twin meets measurement data Schwan, T., Schmitt, S., Castellani, A. (11/2019): *Calibration of HVAC system models with monitoring data – Digital Twin meets measurement data.* ESI Forum in Germany, Berlin, 07. – 08. November, 2019. #### FMI-Based Co-Simulation of Multi-Agent Occupants Models, with Modelica Building and HVAC System Models Schwan, T., Unger, R., Eckhardt, T. (09/2019): *FMI-Based Co-Simulation of Multi-Agent Occupants Models, with Modelica Building and HVAC System Models.* 16th International Building Simulation Conference, Rome, September 2–4, 2019. #### Using Agent-Based Customer Modeling for the Evaluation of EV Charging Systems Rodemann, T., Eckhardt, T., Unger, R., Schwan, T. (07/2019): *Using Agent-Based Customer Modeling for the Evaluation of EV Charging Systems.* Energies Journal, July 25, 2019. [View publication](https://www.mdpi.com/1996-1073/12/15/2858) #### A Modelica-Based Framework for District Heating Grid Simulation Schwan, T., Ziessler, O., Eckhardt, T., Unger, R. (03/2019): *A Modelica-Based Framework for District Heating Grid Simulation.* 13th International Modelica Conference, Regensburg, March 4–6, 2019. ### 2018 #### FMI-based Coupling of SimulationX with Multi-Agent-Simulation-Tools for a Holistic Power Supply System Layout Eckhardt, T., Schwan, T., Unger, R. (11/2018): *FMI-based Coupling of SimulationX with Multi-Agent-Simulation-Tools for a Holistic Power Supply System Layout.* 20th ESI SimulationX Conference, Dresden, November 8–9, 2018. ### 2017 #### Assessing Indoor Air Quality and Comfort in Nonresidential Buildings With SimulationX Schwan, T. (11/2017): *Assessing indoor air quality and comfort in nonresidential buildings with SimulationX.* ESI Forum in Germany, Weimar, November 7–9, 2017. #### Complex Large-Scale Heating, Cooling and Power Supply Models – Virtual Renewable Power Plant Simulation with Modelica Schwan, T., Unger, R. (08/2017): *Complex Large-Scale Heating, Cooling and Power Supply Models – Virtual Renewable Power Plant Simulation with Modelica.* 15th International Building Simulation Conference, San Francisco, August 6–8, 2017. #### Aspects of FMI in Building Simulation Schwan, T., Unger, R., J. Pipiorke (05/2017): *Aspects of FMI in Building Simulation.* 12th International Modelica Conference, Prague, May 15–17, 2017. [Download publication](/documents/sites/ea-energy/company/publications/2017-aspects-of-fmi.pdf) ### 2016 #### Holistic District Heating Grid Design with SimulationX / GreenCity Schwan, T., Unger, R. (11/2016): *Holistic District Heating Grid Design with SimulationX / GreenCity.* ESI SimulationX User Forum, Dresden, November 2016. [Download publication](/documents/sites/ea-energy/company/publications/2016-holistic-district-heating-grid-design.pdf) #### Storage Technologies for Charging Infrastructure. Variant Analysis and Methods for Storage System Assessment Unger, R., Wicke, M. (05/2016): *Storage Technologies for Charging Infrastructure. Variant Analysis and Methods for Storage System Assessment.* CoFAT Conference on Future Automotive Technology, Fürstenfeld, May 2016. [Download publication](/documents/sites/ea-energy/company/publications/2016-storage-technologies-charging-infrastructure.pdf) ### 2015 #### Multi-Criteria HVAC Systems Optimization with Modelica Schwan, T., Unger, R. (12/2015): *Multi-Criteria HVAC Systems Optimization with Modelica.* 14th Conference of International Building Performance Simulation Association, Hyderabad, December 7–9, 2015. #### Energy-Efficient Design of a Research Greenhouse Schwan, T., Unger, R. (11/2015): *Energy-Efficient Design of a Research Greenhouse.* 18th ITI Symposium, Dresden, November 9–11, 2015. #### Energy-Efficient Design of a Research Greenhouse with Modelica Schwan, T., Unger, R., Pipiorke, J. (09/2015): *Energy-Efficient Design of a Research Greenhouse with Modelica.* 11th International Modelica Conference, Versailles, September 21–23, 2015. [Download publication](/documents/sites/ea-energy/company/publications/2015-energy-efficient-research-greenhouse.pdf) #### Aspects of Power Management in Fleet Charging of EV R. Unger, R. Petersohn, K. Krebs (06/2015): *Aspects of Power Management in Fleet Charging of EV.* ICEEV 2015, Dresden, June 16–17, 2015. #### Simulation Based Testing of Charging Infrastructure and Power Management Algorithms with ICIRP R. Unger, R. Petersohn (04/2015): *Simulation Based Testing of Charging Infrastructure and Power Management Algorithms with ICIRP.* CoFAT, Fürstenfeld, April 2015. [Download publication](/documents/sites/ea-energy/company/publications/2015-simulation-based-charging-infrastructure-testing.pdf) ### 2014 #### Model-based design of control strategies for a sophisticated building energy system in a school and sports complex Wicke, M., Unger, R., Schwan, T. (11/2014): *Model-based design of control strategies for a sophisticated building energy system in a school and sports complex.* 18th ITI Symposium, Dresden, November 10–11, 2014. [Download publication](/documents/sites/ea-energy/company/publications/2014-model-based-control-strategies.pdf) #### Model-Based Design of Integrative Energy Concepts for Building Quarters using Modelica Schwan, T., Unger, R., Lerche, C., Kehrer, C. (03/2014): *Model-Based Design of Integrative Energy Concepts for Building Quarters using Modelica.* 10th International Modelica Conference, Lund, March 10–12, 2014. ### 2013 #### Aspects of Model Based Design of Renewable Energy Management Systems Unger, R., Schwan, T. (11/2013): *Aspects of Model Based Design of Renewable Energy Management Systems.* 16th ITI Symposium, Dresden, November 12–13, 2013. [Download publication](/documents/sites/ea-energy/company/publications/2013-model-based-renewable-energy-management.pdf) #### Model-Based Design of Integrative Energy Concepts for Municipalities Schwan, T., Unger, R., Lerche, C. (11/2013): *Model-Based Design of Integrative Energy Concepts for Municipalities.* 16th ITI Symposium, Dresden, November 12–13, 2013. [Download publication](/documents/sites/ea-energy/company/publications/2013-integrative-energy-concepts-municipalities.pdf) #### Modelling and optimization of renewable energy supply for electrified vehicle fleet Schwan, T., Unger, R., Bäker, B. (09/2013): *Modelling and optimization of renewable energy supply for electrified vehicle fleet.* 8th Conference on Sustainable Development of Energy, Water and Environment Systems, Dubrovnik, September 22–27, 2013. [Download publication](/documents/sites/ea-energy/company/publications/2013-renewable-energy-electrified-vehicle-fleet.pdf) #### Developing and Testing Energy Management Systems With Modelica-Based Simulation Unger, R. (04/2013): *Developing and testing energy management systems with Modelica-based simulation.* 4th VPE Swiss Symposium, Rapperswil, April 24, 2013. ### 2012 #### Co-Simulation and SiL Testing of Distributed Energy Management Systems With a Combined Vehicle–Building–User Model Unger, R., Schwan, T., Mikoleit, B., Bäker, B. (11/2012): *Co-simulation and SiL testing of distributed energy management systems with a combined vehicle–building–user model.* 15th ITI Symposium, Dresden, November 14–15, 2012. [Download publication](/documents/sites/ea-energy/company/publications/2012-co-simulation-sil-test.pdf) #### Modeling and Optimization of a Smart Home System Rodemann, T., Schwan, T., Unger, R. (11/2012): *Modeling and Optimization of a Smart Home System.* 15th ITI Symposium, Dresden, November 14–15, 2012. [Download publication](/documents/sites/ea-energy/company/publications/2012-smart-home-system.pdf) #### Improving Renewable Energy Supply for Districts and Municipalities Through Cross-System Simulation Unger, R., Schwan, T., Mikoleit, B., Bäker, B. (11/2012): *Improving renewable energy supply for districts and municipalities through cross-system simulation.* 5th International Congress Bauhaus SOLAR, Erfurt, November 13–14, 2012. [Download publication](/documents/sites/ea-energy/company/publications/2012-regenerative-energy-supply.pdf) #### “Green Building” – Modelling renewable building energy systems and electric mobility concepts using Modelica Schwan, T., Unger, R., Bäker, B., Mikoleit, B., Kehrer, C., Rodemann, T. (09/2012): *“Green Building” – Modelling renewable building energy systems and electric mobility concepts using Modelica.* 9th International Modelica Conference, Munich, September 3–5, 2012. #### Simulation and evaluation of (eVehicle) charging strategies based on renewable energy availability Schwan, T., Unger, R., Bäker, B., Mikoleit, B., Krebs, K. (06/2012): *Simulation and evaluation of (eVehicle) charging strategies based on renewable energy availability.* EEVC 2012 – Energy Efficient Vehicles Conference, Dresden, June 18–19, 2012. ### 2011 #### Optimization of local renewable energy systems using automotive simulation approaches Schwan, T., Unger, R., Baeker, B., Mikoleit, B., Kehrer, C. (11/2011): *Optimization of local renewable energy systems using automotive simulation approaches.* 12th Conference of International Building Performance Simulation Association, Sydney, 14. – 16. November, 2011. [Download publication](/documents/sites/ea-energy/company/publications/2011-optimization-local-renewable-energy-systems.pdf) #### „Residence and Mobility“ – Renewable Energy Management in the linked system “Building – eMobility” Unger, R., Schwan, T., Mikoleit, B., Baeker, B. (07/2011): *„Residence and Mobility“ – Renewable Energy Management in the linked system “Building – eMobility”.* EEVC 2011 – Energy Efficient Vehicles Conference 2011, Dresden, June 30–July 1, 2011. #### Optimization-Tool for local renewable energy usage in the connected system: “Building-eMobility” Schwan, T., Unger, R., Baeker, B., Mikoleit, B., Kehrer, C. (03/2011): *Optimization-Tool for local renewable energy usage in the connected system: “Building-eMobility”.* 8th International Modelica Conference, Dresden, March 20–22, 2011. [Download publication](/documents/sites/ea-energy/company/publications/2011-optimization-tool-building-emobility.pdf) ### 2010 #### Optimization-Tool for local renewable energy usage in the connected system: ”Building-eMobility” Unger, R., Schwan, T., Mikoleit, B., Baeker, B. (11/2010): *Optimization-Tool for local renewable energy usage in the connected system: ”Building-eMobility”.* 13th ITI Symposium, Dresden, November 24–25, 2010.