偏馈式构架反射器展开冲击特性分析 |
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摘 要: |
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收稿时间: | 2015-01-15 |
Deployment impact analysis of the offset-fed truss reflector |
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Authors: | HUANG Zhirong SONG Yanping ZHENG Shikun ZHU Jialong WANG Xiaokai |
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Affiliation: | (1. China Academy of Space Technology(Xi'an), Xi'an 710100, China;
2. Shanghai YS Information Technology Co. Ltd., Shanghai 200240, China) |
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Abstract: | As the off-fed truss reflector is connected to the platform by a single edge and deployed rapidly through being driven by the spring, the impact influence acts obviously on both the reflector and the platform. Due to limitations of the ground test, the in-orbit deployment impact characteristics of truss reflector are difficult to obtain. Then, by taking a certain reflector as the research object, a dynamic model is established with multibody dynamic software. Based on the modified model with ground deployable tests, in-orbit deployment impact characteristics are obtained by simulation analysis. Therefore, the method for multibody dynamic modeling is suitable for truss reflector dynamic research, and the result is useful for the deployable reliability optimization. |
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Keywords: | deployable antenna reflector dynamics impact characteristics analysis |
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