Method for designing spatial arrangement of foldable space-borne antenna multi-joint pointing mechanism

A pointing mechanism and layout design technology, which is applied to the antenna, calculation, and special data processing applications suitable for movable objects, can solve the problems that cannot be satisfied at the same time, and achieve the advantages of simple design method, material saving, and processing cost saving Effect

Inactive Publication Date: 2014-12-03
DALIAN UNIV OF TECH
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Problems solved by technology

[0006] The spatial layout design of the multi-joint pointing mechanism of a large-scale deployable spaceborne antenna must satisfy both the pointing constraint and the position constraint of the focal length of the reflector. Neither of these two traditional design methods can satisfy these two constraints at the same time.

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  • Method for designing spatial arrangement of foldable space-borne antenna multi-joint pointing mechanism
  • Method for designing spatial arrangement of foldable space-borne antenna multi-joint pointing mechanism
  • Method for designing spatial arrangement of foldable space-borne antenna multi-joint pointing mechanism

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Embodiment Construction

[0050] The present invention will be further described below in conjunction with the accompanying drawings. Such as figure 1 As shown, the feed point of a multi-joint pointing mechanism for a deployable spaceborne antenna is located on the satellite surface plane, the connection point between the root of the deployment arm and the satellite surface plane is the installation point of the pointing mechanism, and the connection point between the reflector and the end support arm and The vertical line of the line connecting the centers of the reflectors is the direction in which the antenna points. Such as figure 2 As shown in , the pointing mechanism has an initial installation orientation on the surface of the satellite. During the actual deployment process, the support arms should be folded with each other and in a folded state. Such as image 3 As shown, the antenna points in the same direction as the end support arm.

[0051] Such as Figure 7 As shown, a design method ...

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Abstract

The invention discloses a method for designing the spatial arrangement of a foldable space-borne antenna multi-joint pointing mechanism. The method includes the following steps: determining known conditions, setting constraint conditions, determining a designing target, carrying out spatial arrangement design calculation, and obtaining the design result. According to the method, the design target is provided, spatial arrangement calculation is carried out in cooperation with extra constraint existing in the antenna practical folding process, and the design result can meet the requirements of pointing constraint and the requirements of position constraint in the spatial arrangement design of the large foldable space-borne antenna multi-joint pointing mechanism at the same time. By means of the method, while the requirements of the antenna pointing constraint and the requirements of antenna focal length constraint in the pointing mechanism are met, extra constraint conditions in the folding and unfolding processes of the pointing mechanism are additionally provided, length limitation of supporting arms is considered, and the design target that materials for the supporting arms are saved to the maximum degree while the constraint conditions are met is provided, so that the design result of the spatial arrangement meets the engineering practice requirements, and the materials and the processing cost can be saved.

Description

technical field [0001] The invention relates to the design and processing technology of a satellite and its accessories, in particular to a design method for the spatial layout of a multi-joint pointing mechanism of a large expandable satellite antenna. [0002] The feed point of the multi-joint pointing mechanism of the space-borne antenna is separated from its antenna reflection surface. The present invention proposes a design method for its spatial layout, which satisfies the requirements of the pointing mechanism for the antenna focal length while satisfying the antenna pointing to the feed source after the pointing mechanism is deployed. Background technique [0003] The multi-joint pointing mechanism of a large-scale expandable spaceborne antenna is composed of the antenna mainly including a reflector, a feed source assembly and an expansion arm. The function of the expansion arm is to support the spatial layout, also called the support arm. The component is separated ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01Q1/28G06F17/50
Inventor 周文雅张朔穆瑞楠杜剑明
Owner DALIAN UNIV OF TECH
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