| 径向磁轴承的力学特性 |
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| 引用本文： | 张钢,虞烈,谢友柏.径向磁轴承的力学特性[J].上海大学学报(英文版),2001,4(Z1). |
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| 作者姓名： | 张钢 虞烈 谢友柏 |
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| 摘 要： |
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Mechanical Characteristics of Radial Magnetic Bearing |
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| ZHANG Gang,YU Lie,XIE You-bai.Mechanical Characteristics of Radial Magnetic Bearing[J].Journal of Shanghai University(English Edition),2001,4(Z1). |
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| Authors: | ZHANG Gang YU Lie XIE You-bai |
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| Institution: | 1. School of Electromechanical Engineering and Automation, Shanghai University,
2. Xian Jiaotong University, |
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| Abstract: | This paper is based on the example of a radial magnetic bearing possessed of eight-pole, and derives the calculation formulas of
static and dynamic mechanical characteristics of the bearing, in which the shape and curvature of surface, eccentricity and tilt of the journal
are taken into account. Variations of the static and dynamic characteristics of the radial magnetic bearing versus static tilt parameters of
journal are discussed. The outcomes show that the static tilt of the journal has influence on the mechanical characteristics of radial magnetic
bearing, and change the static load capacity between two radial magnetic bearings and exert coupling effect between them. To study the
dynamics of a practical rotor-magnetic bearing system, at least six stiffness coefficients in each radial magnetic bearing must be considered
in ideal case, and twelve stiffness coefficients must be considered in general case of tilting journal. Such a find can be used for the coupled
electromechanical dynamics analysis of rotor system equipped with magnetic bearings. |
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