Introducing the Virtual Systems Interface for Dynamic Coupling of Continuous Time Systems with Discontinuities

Jeffrey Morgan
General Motors

Bruno Loyer
Siemens Digital Industries Software

Ladda ner artikelhttps://doi.org/10.3384/ecp202017413

Ingår i: Proceedings of Asian Modelica Conference 2020, Tokyo, Japan, October 08-09, 2020

Linköping Electronic Conference Proceedings 174:1, s. 13-22

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Publicerad: 2020-11-02

ISBN: 978-91-7929-775-6

ISSN: 1650-3686 (tryckt), 1650-3740 (online)


This paper introduces the Virtual Systems Interface (VSI) as a potential enhancement of the FMI interface or as a separate open source interface. The VSI interface is intended to simplify model exchange and dynamic model coupling of continuous time systems with discontinuities while ensuring fast, accurate and low-cost simulations. The VSI interface uses a single interface for the coupling of both continuous time and discrete time systems. It is designed for variable time step integration with proper discontinuity handling and convergence checking. It requires no run-time licenses for any model packaged using the interface.


virtual systems interface, dynamic coupling, controls integration, functional mock-up interface


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