Abstract
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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The datasets generated during and/or analyzed during the current study are available from the corresponding author on reasonable request.
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This project is funded by Natural Science Foundation of Hebei Province, China (Grant No. E2021203021).
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All authors have contributed to the study of concepts and design. The first draft of the manuscript was written by Li Dongsheng, Li Mengxu was mainly responsible for data analysis and image revision, Sun Qianyuan completed data collection, and Shang Kuo was responsible for material preparation. Qiu Xuesong revised the language and content of the paper, and all authors read and approved the final manuscript.
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Qiu, Xs., Li, Ds., Li, Mx. et al. Research on Gravity Compensation System of Planetary Rover Based on Electrodynamic Suspension. Microgravity Sci. Technol. 34, 104 (2022). https://doi.org/10.1007/s12217-022-10021-0
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DOI: https://doi.org/10.1007/s12217-022-10021-0