Skip to main content
main-content
Top

Hint

Swipe to navigate through the articles of this issue

01-12-2020 | Original Article | Issue 1/2020 Open Access

Chinese Journal of Mechanical Engineering 1/2020

Novel Surface Design of Deployable Reflector Antenna Based on Polar Scissor Structures

Journal:
Chinese Journal of Mechanical Engineering > Issue 1/2020
Authors:
Pengyuan Zhao, Jinguo Liu, Chenchen Wu, Yangmin Li, Keli Chen

Abstract

Space-deployable mechanisms can be used as supporting structures for large-diameter antennas in space engineering. This study proposes a novel method for constructing the surface design of space reflector antennas based on polar scissor units. The concurrency and deployability equations of the space scissor unit with definite surface constraints are derived using the rod and vector methods. Constraint equations of the spatial transformation for space n-edge polar scissor units are summarized. A new closed-loop deployable structure, called the polar scissor deployable antenna (PSDA), is designed by combining planar polar scissor units with spatial polar scissor units. The over-constrained problem is solved by releasing the curve constraint that locates at the end-point of the planar scissor mechanism. Kinematics simulation and error analysis are performed. The results show that the PSDA can effectively fit the paraboloid of revolution. Finally, deployment experiments verify the validity and feasibility of the proposed design method, which provides a new idea for the construction of large space-reflector antennas.
Literature
About this article

Other articles of this Issue 1/2020

Chinese Journal of Mechanical Engineering 1/2020 Go to the issue

Premium Partners

    Image Credits