Cable section tension variance optimization-based design method for cable net structure of deployable satellite-borne antenna

A space-borne antenna and cable net structure technology, applied in antenna, design optimization/simulation, calculation, etc., can solve problems such as excessive maximum tension ratio of cable segments and uneven tension

Inactive Publication Date: 2017-10-17
XIDIAN UNIV
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Problems solved by technology

MorTerolle proposed a cable-net structure in his paper "Numerical form-finding of geoTensoid Tension Truss for mesh reflectTor" in 2012. The designed cable-net structure realizes the equal-ten

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  • Cable section tension variance optimization-based design method for cable net structure of deployable satellite-borne antenna
  • Cable section tension variance optimization-based design method for cable net structure of deployable satellite-borne antenna
  • Cable section tension variance optimization-based design method for cable net structure of deployable satellite-borne antenna

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Embodiment Construction

[0065] Below in conjunction with accompanying drawing and embodiment the invention is described in further detail; The present invention has proposed a kind of design method based on the cable section tension variance optimization of expandable space-borne antenna cable net structure, and it is front and back cable net surface cable section tension force Variance as the objective function for the cable network structure design method. Taking the biased parabolic antenna as an example, it specifically includes the following steps, such as figure 1 As shown, the method for designing the cable network structure of the expandable space-borne antenna based on the optimization of the tension variance of the cable section provided by the present invention includes the following steps:

[0066] Step 101: According to the performance requirements of the antenna structure, select the offset parabolic structure of the deployable spaceborne antenna, and determine the antenna diameter D of...

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Abstract

The invention discloses a cable section tension variance optimization-based design method for a cable net structure of a deployable satellite-borne antenna. The cable net structure of the deployable satellite-borne antenna consists of a front cable net surface, a back cable net surface and a longitudinal pull cable; when the cable net structure is designed, all cable net surface nodes fall on a paraboloid through a force density iterative method; meanwhile, boundary nodes of the front and back cable net surfaces are subjected to boundary cable section and annular truss reconnection by taking a regular hexagon in the cable net structure as an effective reflective surface, and serve as basic mesh configuration of the cable net structure of the deployable satellite-borne antenna; and then, by taking cable section tension of the front and back cable net surfaces and tension of the longitudinal pull cable as design variables, taking a cable section tension variance of the front and back cable net surfaces as a target function and taking boundary node fixation as a constraint condition, the cable net structure of the deployable satellite-borne antenna is designed. According to the method, excellent structure layout of the deployable satellite-borne antenna is realized, so that the stability and reliability of the deployable satellite-borne antenna can be remarkably improved.

Description

technical field [0001] The invention relates to a design method for a space-borne deployable parabolic antenna structure, in particular to a pre-tension design for a wire mesh structure of a deployable parabolic dish antenna, which is applied to the structural design of a large-diameter space-borne parabolic dish antenna, specifically a method based on cable segment tension variance optimization The structure design method of deployable space-borne antenna cable network. Background technique [0002] With the increasing frequency of space activities, deployable parabolic spaceborne antennas are more popular and have been widely used in navigation, communication, detection and other fields. The space-borne parabolic antenna of the ring truss is mainly divided into five parts: the front cable mesh surface, the rear cable mesh surface, the longitudinal cable, the metal reflection mesh, and the ring truss. A metal reflection net is attached to the back of the front cable mesh t...

Claims

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Application Information

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IPC IPC(8): G06F17/50H01Q15/14H01Q15/16
CPCG06F30/20H01Q15/141H01Q15/161
Inventor 杨东武郭王策王欢张涛方栋
Owner XIDIAN UNIV
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