Abstract
Chemical, biological, radiological and nuclear (CBRN) threats pose many challenges to address in terms of reconnaissance, detection, personnel protection and countermeasures comprising a common set of techniques and procedures that fit in the concept of “all hazard” approach. The scientific and technological developments that led to the use of unmanned aerial systems (UAS) in an ubiquitous manner, enables its integration in CBRN operations, as sensors platforms for detection. In this scope, the GammaEx project targets to validate the concepts of operation using a specifically developed UAS with ATmosphères EXplosives (ATEX) compliance, equipped with chemical and radiological sensors for detection in CBRN scenarios. This paper aims to review the main concepts and challenges involving the sensors integration in UAS for specific CBRN environments considering the ATEX compliance, followed by the GammaEx project description and the presentation of the preliminary results of the laboratory and field comparative assays concerning the specifically developed sensors for the project and the commercial of the shelf sensors, follow on activities and future trends.
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