Loiter UAV Reinsertion Guidance for Fixed-wing UAV Corridors
Pradeep J, Kedarisetty Siddhardha, Ashwini Ratnoo
TLDR
This paper presents a guidance algorithm for conflict-free reinsertion of fixed-wing UAVs from a loiter lane into a main traffic corridor.
Key contributions
- Addresses conflict-free reinsertion of UAVs from a circular loiter lane into a main traffic lane.
- Develops a guidance algorithm to compute the required transit lane speed for safe reinsertion.
- Considers loiter slots, UAV speed limits, and minimum safety distances for calculations.
- Validates the proposed guidance and automation strategies through numerical simulations.
Why it matters
Managing UAV traffic in corridors is crucial for safety and efficiency. This paper provides a practical solution for safely reinserting loitering UAVs, preventing collisions and optimizing airspace use. It offers a key step towards autonomous UAV traffic management systems.
Original Abstract
This paper considers fixed-wing unmanned aerial vehicle (UAV) corridors comprising a main lane, a circular loiter lane for managing traffic congestion, and transit lanes connecting the two. In particular, we address the problem of conflict-free reinsertion of UAVs from the loiter lane back into the main lane. The loiter lane contains a fixed number of equidistant virtual slots that UAVs can occupy. Reinsertion of loiter UAVs into the main lane becomes essential either due to reduced traffic in the main lane or due to a loiter UAV needing to reach its destination urgently. Given the total number of loiter slots, UAV speed limits, and the minimum safety distance, a guidance algorithm is developed to compute the required speed of a loiter UAV in the transit lane to ensure safe reinsertion. The proposed guidance and automation strategies are validated through numerical simulations.
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