Unmanned aircraft system sense-and-avoid integrity and continuity risk

Michael B. Jamoom, Mathieu Joerger, Boris Pervan

Research output: Contribution to journalArticle

9 Scopus citations

Abstract

This paper describes new methods to reach safety targets for sense-and-avoid sensors for unmanned aircraft systems by evaluating integrity and continuity risks. These methods can be used to set sensor requirements. The closest-point-of-approach distance and timetoclosest pointofapproach,τ, are usedtomeasure the hazardsassociated with the intruder aircraft. The contribution to knowledge in this paper is a new method that uses hazard state estimates and estimate error to establish 1) the integrity risk of the sense-and-avoid system not detecting imminent loss of self-separation, and 2) the probability of false alert, the flight-path continuity risk. A sensitivity analysis evaluates the impactonintegrity and continuity of sensor noise, range, and sample interval. The methods describedinthis paper can be used to set potential sense-and-avoid sensor requirements for unmanned aircraft system integration into the National Airspace System.

Original languageEnglish (US)
Pages (from-to)498-506
Number of pages9
JournalJournal of Guidance, Control, and Dynamics
Volume39
Issue number3
DOIs
StatePublished - Jan 1 2016

ASJC Scopus subject areas

  • Control and Systems Engineering
  • Aerospace Engineering
  • Space and Planetary Science
  • Electrical and Electronic Engineering
  • Applied Mathematics

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