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Open AccessCommunication
Sensors 2014, 14(2), 1950-1960; doi:10.3390/s140201950

A Novel Integrated Structure with a Radial Displacement Sensor and a Permanent Magnet Biased Radial Magnetic Bearing

School of Instrumentation Science and Optoelectronics Engineering, Beihang University, Beijing 100191, China
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Received: 29 November 2013 / Revised: 20 December 2013 / Accepted: 20 December 2013 / Published: 24 January 2014
(This article belongs to the Section Physical Sensors)
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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. View Full-Text
Keywords: displacement sensor; integrated structure; magnetic bearing; permanent magnet biased displacement sensor; integrated structure; magnetic bearing; permanent magnet biased
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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Sun, J.; Zhang, Y. A Novel Integrated Structure with a Radial Displacement Sensor and a Permanent Magnet Biased Radial Magnetic Bearing. Sensors 2014, 14, 1950-1960.

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