<abstract xml:lang="en" xmlns="http://www.w3.org/1999/xhtml"><p>Resolvers have been widely used in motion control systems as position sensors. This paper deals with the analysis of Axial Flux Resolvers. Axial flux resolvers are a group of resolvers which can be used in high performance servomechanisms. The accuracy of resolver detected position is affected by errors. Some of these errors are caused by speed fluctuations, permeance ripples, unbalanced voltages, and eccentricity between rotor and stator. Among these errors the static eccentricity > and L<sub>q</sub> values and then, the static eccentricity effect based on the developed model is studied. A novel algorithm is proposed for suppressing the eccentricity error. This method is based on analytical model and modern control fundamentals. In a comparison, simulation and experimental results show good agreement. Finally, the effect of air gap length, pole number and excitation voltage on position error of eccentric AFR is investigated, practically.</p></abstract>

Resolvers have been widely used in motion control systems as position sensors. This paper deals with the analysis of Axial Flux Resolvers. Axial flux resolvers are a group of resolvers which can be used in high performance servomechanisms. The accuracy of resolver detected position is affected by errors. Some of these errors are caused by speed fluctuations, permeance ripples, unbalanced voltages, and eccentricity between rotor and stator. Among these errors the static eccentricity > and Lq values and then, the static eccentricity effect based on the developed model is studied. A novel algorithm is proposed for suppressing the eccentricity error. This method is based on analytical model and modern control fundamentals. In a comparison, simulation and experimental results show good agreement. Finally, the effect of air gap length, pole number and excitation voltage on position error of eccentric AFR is investigated, practically.

A New Technique for Analysis of Static Eccentricity in Axial Flux Resolver

Candidate of Electrical and Computer Engineering, K. N. Toosi University of Technology, Shariati street, 16314, Tehran, Iran

Electrical and Computer Engineering, K. N. Toosi University of Technology, Shariati street, 16314, Tehran, Iran

Measurement Science Review

{"article-title":"A New Technique for Analysis of Static Eccentricity in Axial Flux Resolver"}

Resolvers have been widely used in motion control systems as position sensors. This paper deals with the analysis of Axial Flux Resolvers. Axial flux resolvers...

A New Technique for Analysis of Static Eccentricity in Axial Flux Resolver

Published Online: Mar 01, 2012

Page range: 14 - 20

DOI: https://doi.org/10.2478/v10048-012-0004-y

Keywords
Position sensor, axial flux resolver, static eccentricity, dynamic model, state feedback, pole placement

This content is open access.

A New Technique for Analysis of Static Eccentricity in Axial Flux Resolver

Published Online: Mar 01, 2012

Page range: 14 - 20

DOI: https://doi.org/10.2478/v10048-012-0004-y

KeywordsPosition sensor, axial flux resolver, static eccentricity, dynamic model, state feedback, pole placement

This content is open access.

Keywords
Position sensor, axial flux resolver, static eccentricity, dynamic model, state feedback, pole placement