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Characteristics Analysis of Hydraulic Servo-Valve Torque Motor Using Magnetic Fluid

[+] Author Affiliations
Songjing Li, Dan Jiang, Wen Bao

Harbin Institute of Technology, Harbin, Heilongjiang, China

Paper No. DETC2005-84704, pp. 151-158; 8 pages
doi:10.1115/DETC2005-84704
From:
  • ASME 2005 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference
  • Volume 7: 29th Mechanisms and Robotics Conference, Parts A and B
  • Long Beach, California, USA, September 24–28, 2005
  • Conference Sponsors: Design Engineering Division and Computers and Information in Engineering Division
  • ISBN: 0-7918-4744-6 | eISBN: 0-7918-3766-1
  • Copyright © 2005 by ASME

abstract

Magnetic fluids are added to a torque motor of hydraulic servo-valve, to improve the performance of the torque motor and the servo-valve. The construction and principle of the torque motor are introduced. Using finite element analysis method, the magnetic field distribution of the torque motor is analyzed. The static and dynamic performance of the torque motor with or without magnetic fluids is studied and compared. The simulation results are shown.

Copyright © 2005 by ASME

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