Article | The First Japanese Modelica Conferences, May 23-24, Tokyo, Japan | FMI for Co-Simulation of Embedded Control Software
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Title:
FMI for Co-Simulation of Embedded Control Software
Author:
Nicolai Pedersen: Technical University of Denmark, Embedded Systems Engineering, Denmark / MAN Diesel & Turbo, Denmark Tom Bojsen: MAN Diesel & Turbo, Copenhagen, Denmark Jan Madsen: Technical University of Denmark, Embedded Systems Engineering, Denmark Morten Vejlgaard-Laursen: MAN Diesel & Turbo, Copenhagen, Denmark
DOI:
10.3384/ecp1612470
Download:
Full text (pdf)
Year:
2016
Conference:
The First Japanese Modelica Conferences, May 23-24, Tokyo, Japan
Issue:
124
Article no.:
010
Pages:
70-77
No. of pages:
8
Publication type:
Abstract and Fulltext
Published:
2016-05-18
ISBN:
978-91-7685-749-6
Series:
Linköping Electronic Conference Proceedings
ISSN (print):
1650-3686
ISSN (online):
1650-3740
Publisher:
Linköping University Electronic Press, Linköpings universitet


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Increased complexity of cyber-physical systems within the maritime industry demands closer cooperation between engineering disciplines. The functional mockup interface (FMI) is an initiative aiding cross-discipline interaction by providing, a widely accepted, standard for model exchange and co-simulation. The standard is supported by a number of modelling tools. However, to implement it on an existing platform requires adaptation. This paper investigates how to adapt the software of an embedded control system to comply with the FMI for co-simulation standard. In particular, we suggest a way of advancing the clock of a real time operating system (RTOS), by overwriting the idle thread and waiting for a signal to start execution until return to idle. This approach ensures a deterministic and temporal execution of the simulation across multiple nodes. As proof of concept, a co-simulation is conducted, showing that the control system of an SCR (selective catalyst reduction) emission reduction system can be packed in a functional mockup unit (FMU) and co-simulated with a physical model, built in Ptolemy II. Results show that FMI can be used for co-simulation of an embedded SCR control software and for control software development. Keywords: Co-Simulation, RTOS, FMI, FMU, Embedded Systems

Keywords: Industry applications of Modelica and FMI, FMI in Modelica and non-Modelica applications and tools

The First Japanese Modelica Conferences, May 23-24, Tokyo, Japan

Author:
Nicolai Pedersen, Tom Bojsen, Jan Madsen, Morten Vejlgaard-Laursen
Title:
FMI for Co-Simulation of Embedded Control Software
DOI:
http://dx.doi.org/10.3384/ecp1612470
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The First Japanese Modelica Conferences, May 23-24, Tokyo, Japan

Author:
Nicolai Pedersen, Tom Bojsen, Jan Madsen, Morten Vejlgaard-Laursen
Title:
FMI for Co-Simulation of Embedded Control Software
DOI:
http://dx.doi.org/10.3384/ecp1612470
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