Research on Gravity Compensation System of Planetary Rover Based on Electrodynamic Suspension

被引：0
|
作者：
Xue-song Qiu
Dong-sheng Li
Meng-xu Li
Qian-yuan Sun
Kuo Shang
机构：
[1] Yanshan University,Institute of Mechanical Engineering
来源：
Microgravity Science and Technology | / 34卷
关键词：
Gravity compensation; Electrodynamic suspension; Halbach array ; Levitation force;
D O I：
暂无
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学科分类号：
摘要：
In this paper, an electrodynamic levitation gravity compensation system based on a new type of annular Halbach array permanent magnet is proposed. The magnetic levitation force model is established using the equivalent expansion method, and the reliability of the model is verified by comparing the results of numerical calculation and simulation analysis. Through magnetic field simulation experiments, the effects of rotating speed and air gap on magnetic levitation force and eddy current loss are analyzed. The control model of the electric magnetic levitation system considering the vertical speed is investigated, and the hybrid control method of force and position is used to realize the stable magnetic levitation control. Finally, an experimental platform is built to verify the feasibility of the electric magnetic levitation system. The results show that the magnetic levitation force can be improved and the eddy current loss can be reduced by setting the rotating speed and air gap reasonably.
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