Liquid floating gyroscopes are usually classified according to different structures, working principles, functions, etc. The common classifications are as follows.
1) According to the number of precession degrees of freedom of the rotation axis, it is divided into: single degree of freedom liquid floating gyro and double degree of freedom liquid floating gyro.
2) According to the suspension support used, it is single or multiple: fluid floated gyroscope, dual-floated gyroscope (dynamic pressure air-floating rotor, liquid floating frame), three floats Trip-floated gyroscope (using dynamic pressure air-floating rotor, liquid floating frame, magnetic floating).
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