Article | Proceedings of the 8th International Modelica Conference; March 20th-22nd; Technical Univeristy; Dresden; Germany | Inclusion of Reliability and Safety Analysis Methods in Modelica Linköping University Electronic Press Conference Proceedings
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Title:
Inclusion of Reliability and Safety Analysis Methods in Modelica
Author:
Christian Schallert: German Aerospace Centre (DLR), Institute of Robotics and Mechatronics, Germany
DOI:
10.3384/ecp11063616
Download:
Full text (pdf)
Year:
2011
Conference:
Proceedings of the 8th International Modelica Conference; March 20th-22nd; Technical Univeristy; Dresden; Germany
Issue:
063
Article no.:
069
Pages:
616-627
No. of pages:
12
Publication type:
Abstract and Fulltext
Published:
2011-06-30
ISBN:
978-91-7393-096-3
Series:
Linköping Electronic Conference Proceedings
ISSN (print):
1650-3686
ISSN (online):
1650-3740
Publisher:
Linköping University Electronic Press; Linköpings universitet


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A method is developed to combine techniques of reliability and safety analysis with the Modelica language; which is now widely used for the modelling and simulation of technical systems.

The method allows to perform a reliability or safety analysis on the system model that is created and used for simulation studies. The procedure automatically determines the so called minimal path sets or minimal cut sets of a system; its failure probability and critical components.

The reliability and safety analysis methods are incorporated in a Modelica library that is established for the modelling and simulation of aircraft on-board electrical power systems. The recent trend towards a broader use of electric system technologies on commercial aircraft has motivated the creation of this kind of model library; which supports the conceptual design and optimisation of on-board electrical systems regarding power behaviour; weight; reliability and safety.

Keywords: Reliability; safety; fault modelling; redundant system; minimal path sets; minimal cut sets

Proceedings of the 8th International Modelica Conference; March 20th-22nd; Technical Univeristy; Dresden; Germany

Author:
Christian Schallert
Title:
Inclusion of Reliability and Safety Analysis Methods in Modelica
DOI:
http://dx.doi.org/10.3384/ecp11063616
References:

[1] Bineid M; Fielding J P: Development of an aircraft systems dispatch reliability design methodology. The Aeronautical Journal; pp. 345-352; June 2006.

[2] Birolini A: Reliability Engineering – Theory and Practice. Fifth Edition; Springer Verlag Berlin; 2007.

[3] CleanSky project; http://www.cleansky.eu

[4] Heidtmann K D: Smaller Sums of Disjoint Products by Subproduct Inversion. IEEE Transactions on Reliability; Vol. 38; No. 3; pp. 305-311; August 1989. doi: 10.1109/24.44172.

[5] Moir I; Seabridge A: Aircraft Systems - Me-chanical; electrical and avionics subsystems integration. John Wiley & Sons Ltd; 2008.

Proceedings of the 8th International Modelica Conference; March 20th-22nd; Technical Univeristy; Dresden; Germany

Author:
Christian Schallert
Title:
Inclusion of Reliability and Safety Analysis Methods in Modelica
DOI:
https://doi.org10.3384/ecp11063616
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Last updated: 2019-11-06