Abstract In this study, a new type of cable-strut tensioned antenna mechanism is proposed and subjected to multi-objective optimization. First, a series of new cable-strut tension element configurations is proposed, and the optimal configurations are optimized on the basis of six topological characteristics of stable spatial cable-strut tensioned structures. Second, the mathematical surrogate models between configuration parameters, structural parameters, and fundamental frequencies of antenna mechanisms are established with the response surface method. Third, the optimization of the antenna mechanism synthesis is established, and the antenna configuration with optimal stiffness and mass synthesis is obtained with a genetic algorithm. Finally, the correctness and rationality of the proposed structural configuration is verified by developing a 2 m caliber prototype and conducting a dynamic characteristic test. The results should serve as a useful reference for the design of large caliber satellite antennas in aerospace engineering.
Highlights A new type of cable-strut tensile deployable antenna mechanism is proposed. The antenna mechanism is designed with multi-objective integrated optimization. The lightweight design of deployable mechanism unit is realized. The antenna configuration with optimal stiffness and mass synthesis characteristics is obtained by genetic algorithm. The expand-fold function test and dynamic performance test are carried out on the prototype.
Design and multi-objective comprehensive optimization of cable-strut tensioned antenna mechanism
Acta Astronautica ; 178 ; 406-422
2020-09-16
17 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
Shape accuracy optimization for cable-rib tension deployable antenna structure with tensioned cables
Online Contents | 2017
|