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Effects of physical parameters on the accuracy of axial flux resolvers

Alipour Sarabi, R ; Sharif University of Technology | 2017

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  1. Type of Document: Article
  2. DOI: 10.1109/TMAG.2016.2645163
  3. Publisher: Institute of Electrical and Electronics Engineers Inc , 2017
  4. Abstract:
  5. Axial flux resolvers (AFRs) are used in motion control of electrical machines. In this paper, the effects of physical parameters on the accuracy of detected position are studied. The examined parameters are width of slot opening and slot width, number of poles, number of slots per pole and per phase, and skewing of rotor slots. An analytical model based on the winding function method is proposed for the first time in to estimate the error of position signal. The results of the analytical method are verified with 3-D time stepping finite-element method. Finally, the prototype of the studied AFR is constructed and tested. Good agreement between simulation and experimental results confirms the effectiveness of the proposed analytical model. © 1965-2012 IEEE
  6. Keywords:
  7. Accuracy ; Axial flux resolver (AFR) ; Position sensor ; Time stepping finite-element method ; Analytical models ; Electric machine control ; Poles ; Axial flux ; Physical parameters ; Position sensors ; Time-stepping finite element method ; Finite element method
  8. Source: IEEE Transactions on Magnetics ; Volume 53, Issue 4 , 2017 ; 00189464 (ISSN)
  9. URL: https://ieeexplore.ieee.org/document/7797510