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A novel integrated structure with a radial displacement sensor and a permanent magnet biased radial magnetic bearing.

Sun J, Zhang Y - Sensors (Basel) (2014)

Bottom Line: In this paper, a novel integrated structure is proposed in order to reduce the axial length of the high speed of a magnetically suspended motor (HSMSM) to ensure the maximum speed, which combines radial displacement sensor probes and the permanent magnet biased radial magnetic bearing in HSMSM.The sensor probes are integrated in the magnetic bearing, and the sensor preamplifiers are placed in the control system of the HSMSM, separate from the sensor probes.The proposed integrated structure can save space in HSMSMs, improve the working frequency, reduce the influence of temperature on the sensor circuit, and improve the stability of HSMSMs.

View Article: PubMed Central - PubMed

Affiliation: School of Instrumentation Science and Optoelectronics Engineering, Beihang University, Beijing 100191, China. sunjinji@buaa.edu.cn.

ABSTRACT
In this paper, a novel integrated structure is proposed in order to reduce the axial length of the high speed of a magnetically suspended motor (HSMSM) to ensure the maximum speed, which combines radial displacement sensor probes and the permanent magnet biased radial magnetic bearing in HSMSM. The sensor probes are integrated in the magnetic bearing, and the sensor preamplifiers are placed in the control system of the HSMSM, separate from the sensor probes. The proposed integrated structure can save space in HSMSMs, improve the working frequency, reduce the influence of temperature on the sensor circuit, and improve the stability of HSMSMs.

No MeSH data available.


Flux density distribution of the stator in the proposed structure.
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f10-sensors-14-01950: Flux density distribution of the stator in the proposed structure.

Mentions: The 3D FEM analyses are shown in Figures 7, 8, 9 and 10. From these figures, we can see that the magnetic field is weak at the sensor probes, so we can conclude that the sensor probes will not be influenced by the magnetic field produced by the radial magnetic bearing.


A novel integrated structure with a radial displacement sensor and a permanent magnet biased radial magnetic bearing.

Sun J, Zhang Y - Sensors (Basel) (2014)

Flux density distribution of the stator in the proposed structure.
© Copyright Policy
Related In: Results  -  Collection

License
Show All Figures
getmorefigures.php?uid=PMC3958256&req=5

f10-sensors-14-01950: Flux density distribution of the stator in the proposed structure.
Mentions: The 3D FEM analyses are shown in Figures 7, 8, 9 and 10. From these figures, we can see that the magnetic field is weak at the sensor probes, so we can conclude that the sensor probes will not be influenced by the magnetic field produced by the radial magnetic bearing.

Bottom Line: In this paper, a novel integrated structure is proposed in order to reduce the axial length of the high speed of a magnetically suspended motor (HSMSM) to ensure the maximum speed, which combines radial displacement sensor probes and the permanent magnet biased radial magnetic bearing in HSMSM.The sensor probes are integrated in the magnetic bearing, and the sensor preamplifiers are placed in the control system of the HSMSM, separate from the sensor probes.The proposed integrated structure can save space in HSMSMs, improve the working frequency, reduce the influence of temperature on the sensor circuit, and improve the stability of HSMSMs.

View Article: PubMed Central - PubMed

Affiliation: School of Instrumentation Science and Optoelectronics Engineering, Beihang University, Beijing 100191, China. sunjinji@buaa.edu.cn.

ABSTRACT
In this paper, a novel integrated structure is proposed in order to reduce the axial length of the high speed of a magnetically suspended motor (HSMSM) to ensure the maximum speed, which combines radial displacement sensor probes and the permanent magnet biased radial magnetic bearing in HSMSM. The sensor probes are integrated in the magnetic bearing, and the sensor preamplifiers are placed in the control system of the HSMSM, separate from the sensor probes. The proposed integrated structure can save space in HSMSMs, improve the working frequency, reduce the influence of temperature on the sensor circuit, and improve the stability of HSMSMs.

No MeSH data available.