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Visual Detection of Small Unmanned Aircraft System: Modeling the Limits of Human Pilots

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Abstract

Every month, the Federal Aviation Administration (FAA) receives over 100 reports of small Unmanned Aircraft Systems (sUAS) operating in airspace where they do not belong and the industry has not deployed any specific, ubiquitous solution to preclude this potential collision hazard for pilots of manned aircraft [1]. The purpose of this research is to determine the key physical attributes and construct a new mathematical model to determine the probability of visual detection and avoidance of sUAS. Using the Monte Carlo simulation method, this study provided a means for addressing the effects of uncertainty in the uncontrollable inputs. As a result, it produced a set of probability curves for various operating scenarios and depicted the likelihood of visually detecting a small, unmanned aircraft in time to avoid colliding with it. This study suggested the probability of detecting a sUAS in time to avoid a collision, in all cases modeled during the study, is far less than 50%. The probability was well under 10% for sUAS aircraft similar to the products used by many recreational and hobby operators. This study indicated the see-and-avoid is not a reliable technique for collision prevention by manned-aircraft pilots with small, unmanned aircraft and call for regulators and the industry’s deployment of alternative methods.

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Correspondence to Dothang Truong.

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Woo, G.S., Truong, D. & Choi, W. Visual Detection of Small Unmanned Aircraft System: Modeling the Limits of Human Pilots. J Intell Robot Syst (2020). https://doi.org/10.1007/s10846-020-01152-w

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Keywords

  • Small unmanned aircraft system
  • Unmanned aerial vehicle
  • Visual detection
  • See-and-avoid
  • Monte Carlo simulation