On-line detection of rotor eccentricity for PMSMs based on hall-effect field sensor measurements

Yonghyun Park, Daniel Fernandez, Sang Bin Lee, Doosoo Hyun, Myung Jeong, Suneel Kumar Kommuri, Changhee Cho, David Reigosa, Fernando Briz

Research output: Chapter in Book/Report/Conference proceedingConference contribution

5 Citations (Scopus)

Abstract

Rotor eccentricity in permanent magnet synchronous motors (PMSMs) increases unbalanced magnetic pull and motor vibration resulting in accelerated aging of motor components. If eccentricity remains undetected, it can increase in severity, and increase the risk of stator-rotor contact, which causes forced outage of the motor and driven process. Detection of eccentricity currently relies on off-line testing and on-line vibration/current spectrum analysis, which are inconvenient or cannot provide reliable detection as they are influenced by other mechanical non-idealities in the motor or load. In this paper, the feasibility of using the signals from analog Hall-effect field sensors for detecting eccentricity is investigated. It is shown that Hall sensors already present in machines for motion control can be used for measuring the variation in the flux inside the motor due to eccentricity. 3-dimensional (3D) finite element analysis (FEA) and experimental results performed on an interior PMSM (IPMSM) show that the proposed method can provide sensitive and reliable detection of dynamic and mixed eccentricity with minimal hardware modifications.

Original languageEnglish
Title of host publication2017 IEEE Energy Conversion Congress and Exposition, ECCE 2017
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages4678-4685
Number of pages8
Volume2017-January
ISBN (Electronic)9781509029983
DOIs
Publication statusPublished - 2017 Nov 3
Event9th Annual IEEE Energy Conversion Congress and Exposition, ECCE 2017 - Cincinnati, United States
Duration: 2017 Oct 12017 Oct 5

Other

Other9th Annual IEEE Energy Conversion Congress and Exposition, ECCE 2017
CountryUnited States
CityCincinnati
Period17/10/117/10/5

Fingerprint

Hall Effect
Permanent Magnet Synchronous Motor
Eccentricity
Hall effect
Synchronous motors
Rotor
Permanent magnets
Rotors
Sensor
Sensors
Rotors (windings)
Vibration
Motion control
Spectrum Analysis
Outages
Spectrum analysis
Motion Control
Stators
Aging of materials
Fluxes

Keywords

  • Axial leakage flux
  • Condition monitoring
  • Finite element analysis
  • Hall effect field sensor
  • Permanent magnet synchronous motor
  • Rotor eccentricity

ASJC Scopus subject areas

  • Energy Engineering and Power Technology
  • Electrical and Electronic Engineering
  • Renewable Energy, Sustainability and the Environment
  • Control and Optimization

Cite this

Park, Y., Fernandez, D., Lee, S. B., Hyun, D., Jeong, M., Kommuri, S. K., ... Briz, F. (2017). On-line detection of rotor eccentricity for PMSMs based on hall-effect field sensor measurements. In 2017 IEEE Energy Conversion Congress and Exposition, ECCE 2017 (Vol. 2017-January, pp. 4678-4685). [8096798] Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/ECCE.2017.8096798

On-line detection of rotor eccentricity for PMSMs based on hall-effect field sensor measurements. / Park, Yonghyun; Fernandez, Daniel; Lee, Sang Bin; Hyun, Doosoo; Jeong, Myung; Kommuri, Suneel Kumar; Cho, Changhee; Reigosa, David; Briz, Fernando.

2017 IEEE Energy Conversion Congress and Exposition, ECCE 2017. Vol. 2017-January Institute of Electrical and Electronics Engineers Inc., 2017. p. 4678-4685 8096798.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Park, Y, Fernandez, D, Lee, SB, Hyun, D, Jeong, M, Kommuri, SK, Cho, C, Reigosa, D & Briz, F 2017, On-line detection of rotor eccentricity for PMSMs based on hall-effect field sensor measurements. in 2017 IEEE Energy Conversion Congress and Exposition, ECCE 2017. vol. 2017-January, 8096798, Institute of Electrical and Electronics Engineers Inc., pp. 4678-4685, 9th Annual IEEE Energy Conversion Congress and Exposition, ECCE 2017, Cincinnati, United States, 17/10/1. https://doi.org/10.1109/ECCE.2017.8096798
Park Y, Fernandez D, Lee SB, Hyun D, Jeong M, Kommuri SK et al. On-line detection of rotor eccentricity for PMSMs based on hall-effect field sensor measurements. In 2017 IEEE Energy Conversion Congress and Exposition, ECCE 2017. Vol. 2017-January. Institute of Electrical and Electronics Engineers Inc. 2017. p. 4678-4685. 8096798 https://doi.org/10.1109/ECCE.2017.8096798
Park, Yonghyun ; Fernandez, Daniel ; Lee, Sang Bin ; Hyun, Doosoo ; Jeong, Myung ; Kommuri, Suneel Kumar ; Cho, Changhee ; Reigosa, David ; Briz, Fernando. / On-line detection of rotor eccentricity for PMSMs based on hall-effect field sensor measurements. 2017 IEEE Energy Conversion Congress and Exposition, ECCE 2017. Vol. 2017-January Institute of Electrical and Electronics Engineers Inc., 2017. pp. 4678-4685
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AB - Rotor eccentricity in permanent magnet synchronous motors (PMSMs) increases unbalanced magnetic pull and motor vibration resulting in accelerated aging of motor components. If eccentricity remains undetected, it can increase in severity, and increase the risk of stator-rotor contact, which causes forced outage of the motor and driven process. Detection of eccentricity currently relies on off-line testing and on-line vibration/current spectrum analysis, which are inconvenient or cannot provide reliable detection as they are influenced by other mechanical non-idealities in the motor or load. In this paper, the feasibility of using the signals from analog Hall-effect field sensors for detecting eccentricity is investigated. It is shown that Hall sensors already present in machines for motion control can be used for measuring the variation in the flux inside the motor due to eccentricity. 3-dimensional (3D) finite element analysis (FEA) and experimental results performed on an interior PMSM (IPMSM) show that the proposed method can provide sensitive and reliable detection of dynamic and mixed eccentricity with minimal hardware modifications.

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