被动磁力轴承造价低廉，但是不可控。
磁力轴承按照工作原理不同可分为：主动磁力轴承、被动磁力轴承以及超导磁力轴承。
Magnetic bearings, according to their various working principles, can be divided into: active magnetic bearings, passive magnetic bearings and superconducting magnetic bearings.
本文系统介绍了主动、被动、混合式磁力轴承的工作原理、工作特点及其在工业实际中的应用。
The principles and the development of active magnetic bearing (AMB), passive magnetic bearing (PMB), hybrid magnetic bearing (HMB), and their applications in industries are put forward.
采用该文提出的被动式磁力轴承，电机转子可实现磁悬浮而不需要进行悬浮力控制。
The magnetic suspension of the rotor is realized by the use of the proposed passive magnetic bearings that does not need any active control.
采用该文提出的被动式磁力轴承，电机转子可实现磁悬浮而不需要进行悬浮力控制。
The magnetic suspension of the rotor is realized by the use of the proposed passive magnetic bearings that does not need any active control.
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