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A Novel FMI and TLM-based Desktop Simulator for Detailed Studies of Thermal Pilot Comfort
Systems Simulation and Concept Design, Saab Aeronautics, Linköping, Sweden.ORCID iD: 0000-0002-5773-3518
Linköping University, Department of Management and Engineering, Applied Thermodynamics and Fluid Mechanics. Linköping University, Faculty of Science & Engineering.ORCID iD: 0000-0003-0204-5395
Systems Simulation and Concept Design, Saab Aeronautics, Linköping, Sweden.
Linköping University, Department of Management and Engineering, Fluid and Mechatronic Systems. Linköping University, Faculty of Science & Engineering.
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2018 (English)In: ICAS congress proceeding, International Council of the Aeronautical Sciences , 2018, article id ICAS2018_0203Conference paper, Published paper (Other academic)
Abstract [en]

Modelling and Simulation is key in aircraft system development. This paper presents a novel, multi-purpose, desktop simulator that can be used for detailed studies of the overall performance of coupled sub-systems, preliminary control design, and multidisciplinary optimization. Here, interoperability between industrially relevant tools for model development and simulation is established via the Functional Mockup Interface (FMI) and System Structure and Parametrization (SSP) standards. Robust and distributed simulation is enabled via the Transmission Line element Method (TLM). The advantages of the presented simulator are demonstrated via an industrially relevant use-case where simulations of pilot thermal comfort are coupled to Environmental Control System (ECS) steadystate and transient performance.

Place, publisher, year, edition, pages
International Council of the Aeronautical Sciences , 2018. article id ICAS2018_0203
Keywords [en]
OMSimulator; FMI; TLM; Pilot Thermal Comfort; Modelling and Simulation
National Category
Applied Mechanics Other Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:liu:diva-152897ISBN: 9783932182884 (print)OAI: oai:DiVA.org:liu-152897DiVA, id: diva2:1266089
Conference
31st Congress of the International Council of the Aeronautical Sciences,Belo Horizonte, Brazil, September 9-14, 2018
Available from: 2018-11-27 Created: 2018-11-27 Last updated: 2020-01-16Bibliographically approved
In thesis
1. On Standardized Model Integration: Automated Validation in Aircraft System Simulation
Open this publication in new window or tab >>On Standardized Model Integration: Automated Validation in Aircraft System Simulation
2019 (English)Licentiate thesis, comprehensive summary (Other academic)
Abstract [en]

Designing modern aircraft is not an easy task. Today, it is not enough to optimize aircraft sub-systems at a sub-system level. Instead, a holistic approach is taken whereby the constituent sub-systems need to be designed for the best joint performance. The State-of-the-Art (SotA) in simulating and exchanging simulation models is moving forward at a fast pace. As such, the feasible use of simulation models has increased and additional benefits can be exploited, such as analysing coupled sub-systems in simulators. Furthermore, if aircraft sub-system simulation models are to be utilized to their fullest extent, opensource tooling and the use of open standards, interoperability between domain specific modeling tools, alongside robust and automated processes for model Verification and Validation (V&V) are required.

The financial and safety related risks associated with aircraft development and operation require well founded design and operational decisions. If those decisions are to be founded upon information provided by models and simulators, then the credibility of that information needs to be assessed and communicated. Today, the large number of sensors available in modern aircraft enable model validation and credibility assessment on a different scale than what has been possible up to this point. This thesis aims to identify and address challenges to allow for automated, independent, and objective methods of integrating sub-system models into simulators while assessing and conveying the constituent models aggregated credibility.

The results of the work include a proposed method for presenting the individual models’ aggregated credibility in a simulator. As the communicated credibility of simulators here relies on the credibility of each included model, the assembly procedure itself cannot introduce unknown discrepancies with respect to the System of Interest (SoI). Available methods for the accurate simulation of coupled models are therefore exploited and tailored to the applications of aircraft development under consideration. Finally, a framework for automated model validation is outlined, supporting on-line simulator credibility assessment according to the presented proposed method.

Place, publisher, year, edition, pages
Linköping: Linköping University Electronic Press, 2019. p. 76
Series
Linköping Studies in Science and Technology. Licentiate Thesis, ISSN 0280-7971 ; 1866
National Category
Embedded Systems
Identifiers
urn:nbn:se:liu:diva-162810 (URN)10.3384/lic.diva-162810 (DOI)9789179299293 (ISBN)
Opponent
Supervisors
Projects
Model Validation – from Concept to ProductOpen Cyber-Physical System Model-Driven Certified Development (OpenCPS).
Funder
Vinnova
Note

Ytterligare forskningsfinansiär: Saab Aeronautics

Available from: 2019-12-20 Created: 2019-12-19 Last updated: 2020-01-16Bibliographically approved

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Hällqvist, RobertSchminder, JörgBraun, RobertGårdhagen, RolandKrus, Petter

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CiteExportLink to record
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Citation style
  • apa
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