Development of a safe CPS component: the hybrid parachute, a remote termination add-on improving safety of UASReport as inadecuate




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1 MADYNES - Management of dynamic networks and services Inria Nancy - Grand Est, LORIA - NSS - Department of Networks, Systems and Services 2 RTaW - Realtime-at-Work 3 CSC - Computer Science and Communications Research Unit Luxembourg

Abstract : The use of Unmanned Aerial Systems UAS can be leveraged in many application domains ranging from agriculture to industry, opening up a wealth of new possibilities. However, UAS obviously raise important safety concerns and the use of the techniques, processes and standards developed for the aeronautic industry is not a feasible solution for most UAS. There is a need to bring in novel and pragmatic solutions to develop provably safe UAS in a time and cost-affordable manner. This paper reports on the development of a smart parachute which provides a safe-crash termination solution for UAS, one of the core safety requirements which can be complemented by other safety components in an incremental manner. The requirements elicitation phase, the design and partial verification of the termination system has been carried out using CPAL, a lightweight model-based design environment for embedded systems. The study illustrates on a specific requirement of the system how simulation and fault-injection on models can be used to provide evidence that the parachute system meets its design objectives.

Keywords : uav uas hybrid parachute safety





Author: Laurent Ciarletta - Loïc Fejoz - Adrien Guenard - Nicolas Navet -

Source: https://hal.archives-ouvertes.fr/



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