Radial Force Control of a Novel Hybrid Pole BLSRM

Huijun Wang; Dong-Hee Lee; Jin-Woo Ahn

Radial Force Control of a Novel Hybrid Pole BLSRM

Huijun Wang

Dong-Hee Lee

Jin-Woo Ahn

Vol. 9, No. 6, pp. 845-853, Nov. 2009

10.6113/JPE.2009.9.6.845

Bearingless

Switched reluctance motor

Radial force

Suspending force

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Abstract

This paper presents a novel hybrid pole BLSRM (Bearingless Switched Reluctance Motor) and its radial force control scheme. The proposed hybrid pole BLSRM has separated radial force poles and rotating torque poles. According to the FEM analysis, the proposed BLSRM has an excellent linear characteristic of radial force and controllability that is independent from the torque current. The radial force can be produced by the radial force winding which is wound at the separated radial force poles. The rotating torque is produced by the excitation current of the torque windings which are wound at the torque pole. The proposed radial force control scheme is independent of the phase torque winding current. A simple PID controller and look-up table are used to maintain a constant rotor air-gap. The proposed BLSRM and its radial force control scheme are verified by FEM analysis and experimental tests.

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Cite this article

[IEEE Style]

H. Wang, D. Lee, J. Ahn, "Radial Force Control of a Novel Hybrid Pole BLSRM," Journal of Power Electronics, vol. 9, no. 6, pp. 845-853, 2009. DOI: 10.6113/JPE.2009.9.6.845.

[ACM Style]

Huijun Wang, Dong-Hee Lee, and Jin-Woo Ahn. 2009. Radial Force Control of a Novel Hybrid Pole BLSRM. Journal of Power Electronics, 9, 6, (2009), 845-853. DOI: 10.6113/JPE.2009.9.6.845.