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某衛(wèi)星大型天線真空低溫展開試驗(yàn)

Deployment test of a satellite antenna at low temperature under vacuum condition

  • 摘要: 文章采用試驗(yàn)件主動控溫的方法，完成了某衛(wèi)星大型天線常壓低溫展開試驗(yàn)，對天線進(jìn)行了展開控制和結(jié)構(gòu)應(yīng)變及展開阻力矩的測試，試驗(yàn)結(jié)果驗(yàn)證了天線在空間復(fù)雜溫度環(huán)境中成功解鎖、展開和鎖定的能力，為大型空間展開機(jī)構(gòu)的地面試驗(yàn)積累了經(jīng)驗(yàn)。

     

    Abstract: The deployment tests were carried out for a large scale deployable antenna at low temperature under vacuum condition and ambient pressure with active thermal control methods. The results have verified the antenna’s good performance of releasing, deployment and locking in space environment.

     

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