Conference article

Towards Hard Real-Time Simulation of Complex Fluid Networks

Dirk Zimmer
DLR German Aerospace Center, Institute of System Dynamics and Control, Münchener Strasse 20, 82234 Oberpfaffenhofen, Germany

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Published in: Proceedings of the 13th International Modelica Conference, Regensburg, Germany, March 4–6, 2019

Linköping Electronic Conference Proceedings 157:59, p. 10

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Published: 2019-02-01

ISBN: 978-91-7685-122-7

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


Complex fluid systems created with Modelica have often been difficult to simulate under hard real-tim e constraints since they typically involve non-line ar equation systems that are difficult to solve especially within a predictable finite time frame. This pap er explores the usage of a new approach that avoids nonlinear equation systems and its suitability for real-time simulation. A model of an aircraft environmental control system is taken as a use case for this study.


Thermal fluids, Thermal process systems, real-time simulation, environmental control systems


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