Smart Energy Systems Modeling - Component Exchange during Simulation

Research output: Chapter in Book/Report/Conference proceedingConference paperpeer-review

Abstract

Data-driven modeling recently gained interest for various applications within energy systems such as buildings, district heating, or power systems. In some applications, it is used in addition to traditional physics-based simulations; in other cases, physical modeling is replaced by data-driven modeling. A major advantage of data-driven modeling is that data-driven models are less dependent on system parameters and expertise than physical models. However, they are sensitive to data quality. A promising approach is the combination of physical and data-driven models, which allows to use the strengths of each modeling approach. Combined models may then contain multiple sub-models, which can be exchanged during simulation. In our work, a workflow for seamless exchange of sub-models is developed. Our workflow is implemented in Python and Modelica, using a variable-structure model in the Modelica tool Dymola. The variable-structure model is embedded with physical and data-driven sub-models, the sub-models are then exchanged during simulation. Our workflow is applied in a case study of a single-family house heating system.
Original languageEnglish
Title of host publicationProceedings from the 2nd International Sustainable Energies Conference 2022
Place of PublicationGraz
Publication statusPublished - Apr 2022

Keywords

  • Cyber-Physical Systems
  • Simulation and Modeling
  • Machine Learning
  • Co-Simulation
  • Variable-Structure Models

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