| Issue |
MATEC Web Conf.
Volume 256, 2019
The 5th International Conference on Mechatronics and Mechanical Engineering (ICMME 2018)
|
|
|---|---|---|
| Article Number | 05005 | |
| Number of page(s) | 4 | |
| Section | Computer Aided Design and Electronic Information Technology | |
| DOI | https://doi.org/10.1051/matecconf/201925605005 | |
| Published online | 23 January 2019 | |
Shape Design of Cable-net for Parabolic Cylindrical Deployable Antenna
1 Key Laboratory of Electronic Equipment Structure Design, Ministry of Education, Xi’an, 710071, China
2 School of Electromechanical Engineering, Xidian University, Xi’an, 710071, China
3 Collaborative Innovation Center of Information Sensing and Understanding at Xidian University, Xi’an, 710071, China
A method of cable-net shape design based on the equilibrium matrix method is proposed for a new parabolic cylindrical deployable antenna structure with fewer modules. And the inverse iteration method is adopted to find the shape of cable-truss structure with considering the truss deformation induced by cable tension. Firstly, the ideal geometrical configuration of the locally symmetric support cable is designed for the given truss. Then, the pretension distribution of the cable is solved by the equilibrium matrix method under the circumstance of the unchanged topology of cable-net structure, position of nodes and boundary condition. In addition, the inverse iteration method is adopted to find the shape of cable-truss structure. Finally, the validity of the method is verified by simulation analysis.
© The Authors, published by EDP Sciences, 2019
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