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Soft Tensegrity Systems for Planetary Landing and Exploration

机译:用于行星着陆和探索的软张拉整体系统

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During the last decade, tensegrity systems have been the focus of numerous investigations exploring the possibility of adopting them for planetary landing and exploration applications. Early approaches mainly focused on locomotion aspects related to tensegrity systems, where mobility was achieved by actuating the cable members of the system. Later efforts focused on understanding energy storage mechanisms of tensegrity systems undergoing landing events. More precisely, it was shown that under highly dynamic events, buckling of individual members of a tensegrity structure does not necessarily imply structural failure, suggesting that efficient structural design of planetary landers could be achieved by allowing its compression members to buckle. In this work, we combine both aspects of previous research on tensegrity structures, showing a possible lattice-like structural configuration able to withstand impact events, store pre-impact kinetic energy, and utilize a part of that energy for the locomotion process. Our work shows the feasibility of this proposed approach via both experimental and computational means.
机译:在过去的十年中,张拉整体系统一直是众多研究的重点,探索将其用于行星着陆和探索应用的可能性。早期的方法主要集中在与张拉整体系统相关的运动方面,通过驱动系统的电缆构件来实现机动性。后来的工作重点是理解经历着陆事件的张拉整体系统的能量储存机制。更准确地说,研究表明,在高动态事件下,张拉整体结构的单个构件屈曲并不一定意味着结构失效,这表明行星着陆器的有效结构设计可以通过允许其压缩构件屈曲来实现。在这项工作中,我们结合了之前对张拉整体结构研究的两个方面,展示了一种可能的晶格状结构配置,能够承受冲击事件,存储冲击前动能,并将部分能量用于运动过程。我们的工作通过实验和计算手段证明了该方法的可行性。

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