Testing Modern Modeling and Simulation Environments on Typical Examples of Hybrid Dynamical Systems

Hybrid dynamical systems exhibiting both discrete and continuous behavior are a convenient way of representing complex dynamic processes. Examples are electrical power systems, electromechanical robotic arms, chemical processes, socioeconomic systems among many others. Nowadays, they are modeled and simulated in specialized environments in an automated manner. Three such modern software suites, namely ISMA 2021, OpenModelica and SimInTech, are tested on two typical examples of hybrid dynamical systems. The textual program models as well as the simulation results obtained in the three modeling and simulation environments are compared. The models composed in the first two environments turned out to be cleaner and more concise than those built in SimInTech. This is partially due to the fact that the modeling languages of ISMA 2021 and OpenModelica are declarative, whereas that of SimInTech is purely imperative. Regarding event detection, ISMA 2021 and OpenModelica have demonstrated comparable results. SimInTech does not employ an independent event detection algorithm, which affects event detection.