Mechanical Sciences
Mechanical Sciences
Mechanical Sciences
Articles | Volume 13, issue 2
Articles | Volume 13, issue 2
https://doi.org/10.5194/ms-13-1019-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/ms-13-1019-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 13, issue 2
Research article
 | 
19 Dec 2022
Research article |  | 19 Dec 2022

Dynamic modeling and vibration characteristics analysis of parallel antenna

Guoxing Zhang, Jianliang He, Jinwei Guo, and Xinlu Xia

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Short summary
The closed-form dynamics equation of the 1.8 m aperture parallel antenna is established. The relationship between the mechanism's natural frequency, displacement response, and resonance frequency is obtained. Based on the dynamic model, the closed-loop motion control strategy of the parallel antenna mechanism is established. The tracking error of the pitch and azimuth motion of the parallel antenna in the workspace is within ±0.05°.
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