Article | Proceedings of 15:th Scandinavian International Conference on Fluid Power, June 7-9, 2017, Linköping, Sweden | An Open-Source Framework for Efficient Co-simulation of Fluid Power Systems
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Title:
An Open-Source Framework for Efficient Co-simulation of Fluid Power Systems
Author:
Robert Braun: Division of Fluid and Mechatronic Systems, Dept. of Management and Engineering, Linköping University, Sweden Adeel Asghar: PELAB - Programming Environment Lab, Dept. of Computer Science, Linköping University, Sweden Adrian Pop: PELAB - Programming Environment Lab, Dept. of Computer Science, Linköping University, Sweden Dag Fritzson: SKF Group Technology, AB SKF, Göteborg, Sweden
DOI:
10.3384/ecp17144393
Download:
Full text (pdf)
Year:
2017
Conference:
Proceedings of 15:th Scandinavian International Conference on Fluid Power, June 7-9, 2017, Linköping, Sweden
Issue:
144
Article no.:
039
Pages:
393-400
No. of pages:
8
Publication type:
Abstract and Fulltext
Published:
2017-12-20
ISBN:
978-91-7685-369-6
Series:
Linköping Electronic Conference Proceedings
ISSN (print):
1650-3686
ISSN (online):
1650-3740
Publisher:
Linköping University Electronic Press, Linköpings universitet


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Simulation of fluid power systems typically requires models from multiple disciplines. Achieving accurate load dynamics for a system with complex geometry, for example, may require both a 1D model of the hydraulic circuit and a 3D multi-body model. However, most simulation tools are limited to a single discipline. A solution to these kinds of problems is co-simulation, where different tools are coupled and simulated together. Co-simulation can provide increased accuracy, improved modularity and facilitated collaboration between different organizations. Unfortunately, tool coupling typically requires tedious and error-prone manual work. It may also introduce numerical problems. For these reasons, co-simulation is often avoided as long as possible. These problems have been addressed by the development of an open-source framework for asynchronous co-simulation. Simulation tools can be interconnected through a stand-alone master simulation tool. An extensive range of tools is also supported via the Functional Mockup Interface standard. A graphical user interface has been implemented in the OpenModelica Connection Editor. System models can be created and edited from both a schematic view and a 3D view. Numerical robustness is enforced by the use of transmission line modelling. A minimalistic programming interface consisting of only two functions is used. An example model consisting of a hydraulic crane with two arms, two actuators and a hanging load is used to verify the framework. The composite model consists of nine multi-body models, one hydraulic system model and a controller. It is shown that models from various simulation tools can be replaced with a minimal amount of user input.



Keywords: Co-simulation, system simulation, multi-body simulation, transmission line modelling

Proceedings of 15:th Scandinavian International Conference on Fluid Power, June 7-9, 2017, Linköping, Sweden

Author:
Robert Braun, Adeel Asghar, Adrian Pop, Dag Fritzson
Title:
An Open-Source Framework for Efficient Co-simulation of Fluid Power Systems
DOI:
http://dx.doi.org/10.3384/ecp17144393
References:
No references available

Proceedings of 15:th Scandinavian International Conference on Fluid Power, June 7-9, 2017, Linköping, Sweden

Author:
Robert Braun, Adeel Asghar, Adrian Pop, Dag Fritzson
Title:
An Open-Source Framework for Efficient Co-simulation of Fluid Power Systems
DOI:
http://dx.doi.org/10.3384/ecp17144393
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Last updated: 2017-02-21