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航天器软着陆技术按其工作方式主要有降落伞减速装置、反推火箭、缓冲气囊方式、软着陆机构4类,本文通过对航天器软着陆技术原理和国内外专利信息展开分析研究,全面分析航天器软着陆领域的专利发展、地域分布、技术分布,从而获得了全球航天器软着陆技术概貌,从专利文献的视角对航天器软着陆技术的发展进行了系统分析,为我国航天器的发展提供一些参考。
Spacecraft soft landing technology according to their working methods are mainly parachute deceleration device, reverse thrust rocket, cushioning airbag approach, soft landing mechanism 4 categories, this paper through the spacecraft technology of soft landing and domestic and foreign patent information analysis and analysis of a comprehensive analysis of aerospace In the field of soft landing, the development of patents, geographical distribution and technology distribution are summarized, and the global overview of soft landing technology for spacecraft is obtained. From the perspective of patent literature, the development of spacecraft soft landing technology is systematically analyzed and the development of China’s spacecraft is provided Some reference.