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Faculté des Sciences appliquées
Faculté des Sciences appliquées
MASTER THESIS
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Travail de fin d'études et stage[BR]- Travail de fin d'études : Analytical model of an electromagnetic linear actuator and its design optimisation[BR]- Stage d'insertion professionnelle

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Ruelle, Bastien ULiège
Promotor(s) : Duysinx, Pierre ULiège
Date of defense : 5-Sep-2022/6-Sep-2022 • Permalink : http://hdl.handle.net/2268.2/15983
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Title : Travail de fin d'études et stage[BR]- Travail de fin d'études : Analytical model of an electromagnetic linear actuator and its design optimisation[BR]- Stage d'insertion professionnelle
Author : Ruelle, Bastien ULiège
Date of defense  : 5-Sep-2022/6-Sep-2022
Advisor(s) : Duysinx, Pierre ULiège
Committee's member(s) : Bruls, Olivier ULiège
Geuzaine, Christophe ULiège
Henrotte, François ULiège
BOU-SAADA, Johnny 
Language : English
Number of pages : 59
Keywords : [en] Tubular permanent magnet actuator
[en] Linear machine
[en] Particle swarm optimisation
[en] Dual Halbach array
[en] Analytical model
Discipline(s) : Engineering, computing & technology > Mechanical engineering
Target public : Researchers
Professionals of domain
Student
General public
Institution(s) : Université de Liège, Liège, Belgique
Degree: Master en ingénieur civil mécanicien, à finalité spécialisée en technologies durables en automobile
Faculty: Master thesis of the Faculté des Sciences appliquées

Abstract

[en] This Master’s Thesis aims to produce a tubular permanent magnet actuator (TPMA) design capable of replacing the hydraulic dampers present in active train suspensions. This design needs to be optimised to provide the best possible performance.
In the first part of this thesis, a state of the art of the available TPMA topologies is presented as
well as their operating principle.
In the second part the analytical model of each topology is developed in order to obtain the behaviour of the magnetic flux within each actuator. This model contains the solution of the Laplace and Poisson equations from Maxwell’s equations. The specific boundary conditions for each of the
topologies are exposed in order to obtain the specific solutions. Then the results are compared in order to keep the best topology for the rest of the thesis.
The third part is devoted to the modelling of the thrust produced by the actuator. The thrust
produced by the actuator is dependent on the type of current injected. Thus three types of current are compared: single-phase, two-phase and three-phase.
The fourth part concerns the optimisation of the actuator design. In a first step, the optimisation is
done by the particle swarm optimisation (PSO) method. This first optimisation has only one objective, to maximise the thrust produced by the actuator. The dimensions to be optimised are the radii of the actuator and the pole pitch of the magnets. In a second step, a new objective, that of minimising the force variation, is added to the optimisation. This multi-objective optimisation problem is solved using a method derived from PSO: vector evaluated particle swarm optimisation. Finally, the different designs obtained by the two optimisations are compared.
The last part is devoted to the presentation of some improvements that could be made to the analytical model of the actuator to make it even more accurate.


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Author

  • Ruelle, Bastien ULiège Université de Liège > Master ing. civ. méc., à fin.

Promotor(s)

Committee's member(s)

  • Bruls, Olivier ULiège Université de Liège - ULiège > Département d'aérospatiale et mécanique > Laboratoire des Systèmes Multicorps et Mécatroniques
    ORBi View his publications on ORBi
  • Geuzaine, Christophe ULiège Université de Liège - ULiège > Dép. d'électric., électron. et informat. (Inst.Montefiore) > Applied and Computational Electromagnetics (ACE)
    ORBi View his publications on ORBi
  • Henrotte, François ULiège Université de Liège - ULiège > Dép. d'électric., électron. et informat. (Inst.Montefiore) > Applied and Computational Electromagnetics (ACE)
    ORBi View his publications on ORBi
  • BOU-SAADA, Johnny Alstom Group
  • Total number of views 38
  • Total number of downloads 53










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