Unmanned aircraft system sense and avoid integrity and continuity risk for non-cooperatve intruders

Michael B. Jamoom, Mathieu Joerger, Boris Pervan

Research output: Chapter in Book/Report/Conference proceedingConference contribution

8 Scopus citations


This paper describes new methods to quantify safety of sense and avoid (SAA) functions for Unmanned Aircraft Systems (UAS) by evaluating integrity and continuity risks. These methods can set sensor requirements. The closest point of approach (CPA) distance and time to CPA, tau, are used to measure the hazards associated with the intruder aircraft. This paper presents a method to determine hazard state estimates and estimate error. These variances are used to establish (1) the integrity risk of the SAA system not detecting imminent loss of self-separation and (2) the probability of false alert, the continuity risk. A preliminary analysis assumes a constant relative velocity model with normal, independent and stationary measurement errors. A sensitivity analysis evaluates the impact on integrity and continuity of sensor noise, range and sample interval. This research can set potential SAA sensor requirements for UAS integration into the National Airspace System.

Original languageEnglish (US)
Title of host publicationAIAA Infotech at Aerospace
PublisherAmerican Institute of Aeronautics and Astronautics Inc.
ISBN (Electronic)9781624103384
StatePublished - 2015
EventAIAA Infotech @ Aerospace 2015 - Kissimmee, United States
Duration: Jan 5 2015Jan 9 2015

Publication series

NameAIAA Infotech at Aerospace


ConferenceAIAA Infotech @ Aerospace 2015
Country/TerritoryUnited States

ASJC Scopus subject areas

  • Aerospace Engineering


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