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Thiele, Bernhard and Otter, Martin and Mattsson, Sven Erik (2014) Modular Multi-Rate and Multi-Method Real-Time Simulation. In: Proceedings of the 10th International Modelica Conference - Lund, Sweden - Mar 10-12, 2014, pp. 381-393. LiU Electronic Press. 10th International Modelica Conference, 2014-03-10 - 2014-03-12, Lund, Schweden. doi: 10.3384/ecp14096381. ISSN 1650-3740.
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Official URL: http://www.ep.liu.se/ecp/096/040//ecp14096040.pdf
Abstract
The demand to ever increse realism and scope of models routinely exceeds the currently available computing power and thus requires thoughts on improving simulation efficiency. This is especially true for real-time simulations, where ficed timing constraints do not allow to just "wait a bit longer". This paper presents a new approch in Modelica that allows a modeler to separate a model into different partitions for which individual solvers can be assigned. In effect, this allows to use multi-rate and multi-method time integration schemes that can contribute to improve the efficiency ofa (real-time) simulation. The first part of the paper discusses basic consideration relating to modular (real-)time integration. Afterwards, the implemention of a convenient Modelica libarary for the partitioning of physical models is briefly described. Finally, the presented libarary is used to partition a detailed six degree of freedom robot model for modular simulation. the simulation performacne of the partitioned model is compared to the simulation performance achieved by using "conventional" global solvers.[...]
| Item URL in elib: | https://elib.dlr.de/93667/ | ||||||||||||||||
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| Document Type: | Conference or Workshop Item (Speech) | ||||||||||||||||
| Title: | Modular Multi-Rate and Multi-Method Real-Time Simulation | ||||||||||||||||
| Authors: |
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| Date: | 2014 | ||||||||||||||||
| Journal or Publication Title: | Proceedings of the 10th International Modelica Conference - Lund, Sweden - Mar 10-12, 2014 | ||||||||||||||||
| Refereed publication: | Yes | ||||||||||||||||
| Open Access: | No | ||||||||||||||||
| Gold Open Access: | No | ||||||||||||||||
| In SCOPUS: | No | ||||||||||||||||
| In ISI Web of Science: | No | ||||||||||||||||
| DOI: | 10.3384/ecp14096381 | ||||||||||||||||
| Page Range: | pp. 381-393 | ||||||||||||||||
| Editors: |
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| Publisher: | LiU Electronic Press | ||||||||||||||||
| Series Name: | Linköping Electronic Conference Proceedings | ||||||||||||||||
| ISSN: | 1650-3740 | ||||||||||||||||
| Status: | Published | ||||||||||||||||
| Keywords: | multi-rate, multi-method time integration, simulation, clocked discretized continous-time partitions. | ||||||||||||||||
| Event Title: | 10th International Modelica Conference | ||||||||||||||||
| Event Location: | Lund, Schweden | ||||||||||||||||
| Event Type: | international Conference | ||||||||||||||||
| Event Start Date: | 10 March 2014 | ||||||||||||||||
| Event End Date: | 12 March 2014 | ||||||||||||||||
| Organizer: | University of Linköping | ||||||||||||||||
| HGF - Research field: | Aeronautics, Space and Transport | ||||||||||||||||
| HGF - Program: | Space | ||||||||||||||||
| HGF - Program Themes: | Space System Technology | ||||||||||||||||
| DLR - Research area: | Raumfahrt | ||||||||||||||||
| DLR - Program: | R SY - Space System Technology | ||||||||||||||||
| DLR - Research theme (Project): | R - Vorhaben Intelligente Mobilität (old) | ||||||||||||||||
| Location: | Oberpfaffenhofen | ||||||||||||||||
| Institutes and Institutions: | Institute of System Dynamics and Control > Vehicle System Dynamics | ||||||||||||||||
| Deposited By: | Klauer, Monika | ||||||||||||||||
| Deposited On: | 15 Dec 2014 15:40 | ||||||||||||||||
| Last Modified: | 24 Apr 2024 19:59 |
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