Risk-management of UAS robust autonomy for its integration into civil aviation safety frameworks

Clothier, Reece A., Perez, Tristan, & Williams, Brendan (2013) Risk-management of UAS robust autonomy for its integration into civil aviation safety frameworks. In Proceedings of the Australian System Safety Conference 2013, Adelaide, Australia.


This paper discusses a model of the civil aviation reg- ulation framework and shows how the current assess- ment of reliability and risk for piloted aircraft has limited applicability for Unmanned Aircraft Systems (UAS) with high levels of autonomous decision mak- ing. Then, a new framework for risk management of robust autonomy is proposed, which arises from combining quantified measures of risk with normative decision making. The term Robust Autonomy de- scribes the ability of an autonomous system to either continue or abort its operation whilst not breaching a minimum level of acceptable safety in the presence of anomalous conditions. The decision making associ- ated with risk management requires quantifying prob- abilities associated with the measures of risk and also consequences of outcomes related to the behaviour of autonomy. The probabilities are computed from an assessment under both nominal and anomalous sce- narios described by faults, which can be associated with the aircraft’s actuators, sensors, communication link, changes in dynamics, and the presence of other aircraft in the operational space. The consequences of outcomes are characterised by a loss function which rewards the certification decision

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ID Code: 70931
Item Type: Conference Paper
Refereed: No
Additional URLs:
Divisions: Current > Schools > School of Electrical Engineering & Computer Science
Current > QUT Faculties and Divisions > Science & Engineering Faculty
Deposited On: 02 May 2014 00:33
Last Modified: 05 May 2014 03:45

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