提出可重构的十二面体模块化无人机,实现三维灵活飞行配置。
The Dodecacopter: a Versatile Multirotor System of Dodecahedron-Shaped Modules
- 采用正十二面体模块设计,突破传统平面旋翼布局限制。
- 支持三维全向驱动构型,具备更强结构与控制性能。
- 适合需要快速适应任务环境的科研与救援场景。
为提升安全性和适应性,模块化可重构无人飞行器被视为可替代多种固定结构飞行器的通用平台。现有刚性组装的模块化飞行器通常为二维平面布局,旋翼共面,呈“飞行阵列”形态。本文提出一种新型模块化旋翼飞行器——十二面体无人机(Dodecacopter),其所有模块均为正十二面体,可构建超越飞行阵列的丰富三维构型。特别地,该设计支持三维全向驱动构型,通过多种性能指标验证其在结构强度与控制能力上的优势。针对多构型与多功能需求,我们建立了可求解的优化模型,以在结构与驱动约束下寻找最优配置。最后,展示了该系统的原型机及在多种构型下的飞行实验结果。
原文摘要 · Abstract (English)
With the promise of greater safety and adaptability, modular reconfigurable uncrewed air vehicles have been proposed as unique, versatile platforms holding the potential to replace multiple types of monolithic vehicles at once. State-of-the-art rigidly assembled modular vehicles are generally two-dimensional configurations in which the rotors are coplanar and assume the shape of a "flight array". We introduce the Dodecacopter, a new type of modular rotorcraft where all modules take the shape of a regular dodecahedron, allowing the creation of richer sets of configurations beyond flight arrays. In particular, we show how the chosen module design can be used to create three-dimensional and fully actuated configurations. We justify the relevance of these types of configurations in terms of their structural and actuation properties with various performance indicators. Given the broad range of configurations and capabilities that can be achieved with our proposed design, we formulate tractable optimization programs to find optimal configurations given structural and actuation constraints. Finally, a prototype of such a vehicle is presented along with results of performed flights in multiple configurations.
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