【摘要】 缓冲气囊是继着陆腿及反推发动机之外,另一种行之有效的着陆缓冲装置。新一代载人飞船采用群伞加缓冲气囊的无损回收方案,实现了其重复使用的目的。文章对新飞船试验船缓冲气囊的选型及参数的确定原则进行了分析,介绍了气囊着陆缓冲系统的设计状态、工作程序以及缓冲过程的排气控制策略。通过建立地面试验装置和测量系统,对缓冲气囊的性能进行了验证。结果表明:具备主动排气控制的多气室组合式气囊着陆缓冲系统缓冲过载达到预期,无侧翻和明显反弹,着陆稳定性满足要求。试验船缓冲气囊的设计理念和设计方法可以为其它大载荷航天器和大载荷空投着陆缓冲气囊的设计提供依据和参考。更多还原

【Abstract】 The cushion airbag is another effective landing buffer device besides thrust reverser and landing retreat. The new generation manned spacecraft test ship adopts the lossless recovery scheme of group parachutes and cushion airbags to achieve the purpose of reuse. This paper analyzes the type selection and the principle of parameter determination of the new-generation manned test spacecraft cushion airbag, and introduces the design statua, working procedure and control strategy of cushion airbag landing cushion system. Through the establishment of ground test device and measurement system, the performance of cushion airbag verified. The results show that the multi chanber combined airbag landing buffer system with active exhaust control achieves the expected overload, no rollover and obvious rebound, and the landing stability meets the requirements. The design concept and method of the cushion airbag of the test ship can provide the basis and reference for the design of the cushion airbag of other heavy-duty spacecraft and heavy-duty airdrop.更多还原