Paper Title:
Parametric Simulation on Torque-Angle Characteristic of Rotary Electromagnet with Low Inertia
  Abstract

Since conventional electro-mechanical converter of 2D digital valve had limitations of large inertia and low dynamic response, a novel low inertia rotary electromagnet with coreless rotor structure was proposed. The axial magnetic flux generated by permanent magnet and the radial magnetic flux generated by excitation coils were superimposed and then electromagnetic torque was produced to drive rotor to track the input signal simultaneously. Based on the approach of 3D finite element electromagnetic field simulation, the influence of key structure and operating parameters such as excitation ampere turns, working air gap, tooth height, tooth width and wall thickness of coreless rotor on torque-angle characteristic was discussed. The result obtained provides a certain reference value on the structural optimization of electro-mechanical converter of 2D digital valve.

  Info
Periodical
Key Engineering Materials (Volumes 474-476)
Edited by
Garry Zhu
Pages
29-35
DOI
10.4028/www.scientific.net/KEM.474-476.29
Citation
B. Meng, J. Ruan, S. Li, "Parametric Simulation on Torque-Angle Characteristic of Rotary Electromagnet with Low Inertia", Key Engineering Materials, Vols. 474-476, pp. 29-35, 2011
Online since
April 2011
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Price
$32.00
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