静的・動的ダウンウォッシュ干渉がマルチクアッドロータシステムに与える影響
Influence of Static and Dynamic Downwash Interactions on Multi-Quadrotor Systems
複数のクアッドロータが近接飛行する際のダウンウォッシュによる空力干渉を、力・トルク測定とPIVで分析し、単機と干渉ペアの特性を明らかにした。
詳しい要約
1. どんなもの?
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著者: Anoop Kiran, Nora Ayanian, Kenneth Breuer
分類: cs.RO, physics.flu-dyn
原文アブストラクト
Flying multiple quadrotors in close proximity presents a significant challenge due to complex aerodynamic interactions, particularly downwash effects that are known to destabilize vehicles and degrade performance. Traditionally, multi-quadrotor systems rely on conservative strategies, such as collision avoidance zones around the robot volume, to circumvent this effect. This restricts their capabilities by requiring a large volume for the operation of a multi-quadrotor system, limiting their applicability in dense environments. This work provides a comprehensive, data-driven analysis of the downwash effect, with a focus on characterizing, analyzing, and understanding forces, moments, and velocities in both single and multi-quadrotor configurations. We use measurements of forces and torques to characterize vehicle interactions, and particle image velocimetry (PIV) to quantify the spatial features of the downwash wake for a single quadrotor and an interacting pair of quadrotors. This data can be used to inform physics-based strategies for coordination, leverage downwash for optimized formations, expand the envelope of operation, and improve the robustness of multi-quadrotor control.
