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A PORTABLE IMPLEMENTATION OF A MODEL OF ELECTROMECHANICAL ACTUATORS USED IN MORE ELECTRIC AIRCRAFT DIMENSIONING TOOLS
KTH, School of Electrical Engineering (EES).
KTH, School of Electrical Engineering (EES), Electromagnetic Engineering.
2004 (English)In: Proceedings of Actuator 2004, 2004Conference paper, Published paper (Refereed)
Abstract [en]

Modelling of the electric power systems of a More Electric Aircraft (MEA) is multidisciplinary and quite CPU demanding. This paper suggests a modelling approach of the electromechanical actuators implemented in a portable code constituting a reasonable compromise between required CPU-time and accuracy. The approach is to divvide the actuator model in three partitions, namely an current control rectifier, electromachine and gear model. By using only quasi-stationary electrical state variables [1] the variations within the electrical power cycles are neglected. The involved electromachines are modelled in terms of their efficiencies, moment of inertia, torque and back EMF constants. The rectifiers are desccribed in terms of equivalent load dependent loss resistances corresponding to their efficiencies [2,3]. The gears are desccribed in terms of efficiencies and gear ratios. The model is designed in the modelling language Modelica with the objective that the model, i.e. the implementation of the model, should be flexible, extensible, portable to MATLAB and object oriented. The proposed modelling approach is considered to constitute a framework in future build-up of models of entire MEA aircrafts [4].

Place, publisher, year, edition, pages
2004.
Keyword [en]
electromechanical actuator, more electric aircraft, MEA, modelica, model, portable, flexible, object oriented
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-72155OAI: oai:DiVA.org:kth-72155DiVA: diva2:487236
Conference
The 9th International Conference on New Actuators, Bremen, 14-16 June 2004
Note
QC 20120206Available from: 2012-02-06 Created: 2012-01-31 Last updated: 2012-02-06Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
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More styles
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  • de-DE
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  • Other locale
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Output format
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