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

doi:10.1109/ECCE.2017.8096798

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

School of Electrical Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

12 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 language	English
Title of host publication	2017 IEEE Energy Conversion Congress and Exposition, ECCE 2017
Publisher	Institute of Electrical and Electronics Engineers Inc.
Pages	4678-4685
Number of pages	8
Volume	2017-January
ISBN (Electronic)	9781509029983
DOIs	https://doi.org/10.1109/ECCE.2017.8096798
Publication status	Published - 2017 Nov 3
Event	9th Annual IEEE Energy Conversion Congress and Exposition, ECCE 2017 - Cincinnati, United States Duration: 2017 Oct 1 → 2017 Oct 5

Other

Other	9th Annual IEEE Energy Conversion Congress and Exposition, ECCE 2017
Country/Territory	United States
City	Cincinnati
Period	17/10/1 → 17/10/5

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

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

Access to Document

10.1109/ECCE.2017.8096798

Cite this

Park, Y., Fernandez, D., Lee, S. B., Hyun, D., Jeong, M., Kommuri, S. K., 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, 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 et al.

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 proceeding › Conference 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

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

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.",

keywords = "Axial leakage flux, Condition monitoring, Finite element analysis, Hall effect field sensor, Permanent magnet synchronous motor, Rotor eccentricity",

author = "Yonghyun Park and Daniel Fernandez and Lee, {Sang Bin} and Doosoo Hyun and Myung Jeong and Kommuri, {Suneel Kumar} and Changhee Cho and David Reigosa and Fernando Briz",

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AU - Park, Yonghyun

AU - Fernandez, Daniel

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AU - Jeong, Myung

AU - Kommuri, Suneel Kumar

AU - Cho, Changhee

AU - Reigosa, David

AU - Briz, Fernando

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N2 - 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.

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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KW - Finite element analysis

KW - Hall effect field sensor

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KW - Rotor eccentricity

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

Abstract

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Keywords

ASJC Scopus subject areas

UN SDGs

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