3-D magnetic field analysis of hydraulic servo valve torque motor with magnetic fluid

Author

Songjing, Li ; Dan, Jiang ; Benzhou, Xu ; Xiaowei, Sheng

Author_Institution

Dept. of Fluid Control & Autom., Harbin Inst. of Technol.

Volume

3

fYear

2005

fDate

29-29 Sept. 2005

Firstpage

2447

Abstract

As a functional material, magnetic fluid (MF) is filled in the working clearances of torque motor in hydraulic servo valve. The construction and working principle of torque motor with magnetic fluid are introduced. Using 3-D magnetic field finite element analysis (FEA) method, the magnetic field distribution and characteristics of torque created by the torque motor are analyzed. Calculation results are given. The torque characteristics are compared when magnetic fluid is filled or not in the torque motor. Compared with analytical method, 3-D finite element analysis method is accurate enough to calculate the output torque of torque motor

Keywords

finite element analysis; hydraulic motors; magnetic fields; magnetic fluids; servomotors; torque; valves; 3D magnetic field analysis; FEA method; finite element analysis; hydraulic servovalve torque motor; magnetic field distribution; magnetic fluid; Finite element methods; Magnetic analysis; Magnetic fields; Magnetic liquids; Magnetic materials; Permanent magnet motors; Servomechanisms; Servomotors; Torque; Valves;

fLanguage

English

Publisher

ieee

Conference_Titel

Electrical Machines and Systems, 2005. ICEMS 2005. Proceedings of the Eighth International Conference on

Conference_Location

Nanjing

Print_ISBN

7-5062-7407-8

Type

conf

DOI

10.1109/ICEMS.2005.203013

Filename

1575210