نوع مقاله : علمی- ترویجی

نویسنده

استادیار، پژوهشگاه هوافضا، وزارت علوم تحقیقات و فناوری، تهران، ایران

چکیده

افزایش تعداد فضاپیماهای آماده پرتاب سبب نیاز به کاهش وزن، حجم و هزینه سخت‌افزارها و زیرسیستم­های آنها شده است. همچنین، این امر سبب نیاز به کاهش وزن، حجم و هزینه سخت‌افزارها و زیرسیستم­های آنها شده است. یکی از راهکارهای رفع این نیازمندی‌ها، استفاده از مکانیزم­های بازشونده در سازه­های فضایی است. ویژگی و کاربردهای استفاده از این مکانیزم­ها با بزرگ­تر شدن فضاپیماها افزایش می­یابد که سبب توسعه فناوری برای سیستم­های بزرگ­تر نیز خواهد شد. از جمله پرکاربردترین مکانیزم­های بازشونده فضایی می­توان از آرایه­های خورشیدی، آنتن­های مخابراتی، بوم‌های گرادیان جاذبه، بادبان­های خورشیدی نام برد. در این مقاله، انواع مکانیزم­های حرکتی با تمرکز بر آرایه­های خورشیدی، روش­ها و تجهیزات باز شدن آنها پس از قرار گرفتن در مدار و مزایا و معایبشان بحث و بررسی شده است.

کلیدواژه‌ها

عنوان مقاله [English]

Review of Deployment Mechanisms for Space Structures

نویسنده [English]

  • Milad Azimi

Assistant Professor, Aerospace Research Institute, Ministry of Science, Research and Technology،Tehran ،Iran

چکیده [English]

Growing the number of satellites ready to be launched emphasizes the need for reduction of space hardware and subsystems cost, volume, and mass. Realizing these reductions can be implemented deploying new mechanisms for space structures. The performance benefit margin of deploying structures increases, as the size of the structure increases. Thus, it makes the technology more attractive for large-scale space systems. Examples of satellite components benefiingt from the utilization of inflatable structures including solar arrays, gravity gradient booms, communication antennas and solar sails. This paper discusses different types of deploying mechanism with their advantageous and disadvantageous focusing on solar arrays and required driven equipments after being placed in an operational orbit.

کلیدواژه‌ها [English]

  • Deployment Mechanism
  • Solar Panels
  • Space Structures
  • Spacecraft
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