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Träfflista för sökning "WFRF:(Tsoumas I. P.) "

Search: WFRF:(Tsoumas I. P.)

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1.
  • Georgoulas, George, 1976-, et al. (author)
  • An Automatic Method for Condition Monitoring of Inverter Fed Induction Motors
  • 2018
  • In: Proceedings. - : IEEE. ; , s. 1754-1760
  • Conference paper (peer-reviewed)abstract
    • This paper proposes an automatic method, for monitoring inverter fed induction motors using external stray flux measurements. The method relies on the marginal power spectrum of the Synchrosqueezed Wavelet Transform for the feature extraction stage and on Principal Component Analysis for the reduction of the high dimensionality of the generated feature vector. For the next stage two approaches were tested: a) a fault detector based on a one-class classifier and b) a fault diagnosis module based on a multiclass classifier. Both of them achieve high accuracies when tested with measurements coming from an experimental set up able to simulate stator short circuits and bearing faults. An explanation of the performance is given by visual inspection of the projection of the feature vectors into a three-dimensional space.
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2.
  • Tsoumas, I. P., et al. (author)
  • Analytical Investigation of the Transient Switch-On Current of Direct-On-Line Induction Motors
  • 2019
  • In: Proceedings. - : IEEE. ; , s. 3667-3672
  • Conference paper (other academic/artistic)abstract
    • This work presents an exact analytical equation for the calculation of the switch-on current of induction motors considering the general case of unequal stator and rotor parameters. Based on this analytical solution of the differential equations, the influence of the motor parameters on the amplitude and the duration of the electrical transient is investigated. The exact knowledge of the transient current is necessary for the assessment of its potential impact on transient motor current signature analysis methods for fault diagnosis.
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  • Result 1-2 of 2
Type of publication
conference paper (2)
Type of content
other academic/artistic (1)
peer-reviewed (1)
Author/Editor
Georgoulas, George, ... (2)
Tsoumas, I. P. (2)
Albini, A (1)
Frosini, L. (1)
Loutas, T.H. (1)
Antonino-Daviu, J.A. (1)
University
Luleå University of Technology (2)
Language
English (2)
Research subject (UKÄ/SCB)
Engineering and Technology (2)

Year

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