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Preliminary system safety assessment of electromechanical actuation architectures for unmanned aerial vehicles

Bosch, Colin and Hajek, Manfred and Ismail, Mohamed AA (2021) Preliminary system safety assessment of electromechanical actuation architectures for unmanned aerial vehicles. In: Proceedings of 5th International Conference on Control and Fault-Tolerant Systems (SysTol'21). 5th International Conference on Control and Fault-Tolerant Systems (SysTol'21), 29.-30. Sep. 2021, Saint-Raphaël, France.

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Official URL: http://www.systol.org/systol21/

Abstract

Unmanned Aerial Vehicles (UAVs) undergo fastgrowing integration into civilian airspace. Recently, the European Aviation Safety Agency (EASA) published regulations forming top-level safety targets for certified categories for UAVs. In this paper, we present a qualitative criticality analysis for a simplex electromechanical actuator (EMA) to evaluate the reliability of its components. Consequently, several hardware redundancies have been iterated to qualify the actuator architecture for the safety requirements and technical constraints. Finally, we verify the possible operating modes for the EMA using stochastic Markov models. Markov models have been also utilized for exploring health monitoring strategies for fault-tolerant features and their operating modes.

Item URL in elib:https://elib.dlr.de/144092/
Document Type:Conference or Workshop Item (Lecture, Speech)
Title:Preliminary system safety assessment of electromechanical actuation architectures for unmanned aerial vehicles
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Bosch, ColinColin.Bosch (at) tum.deUNSPECIFIED
Hajek, Manfredhajek (at) tum.deUNSPECIFIED
Ismail, Mohamed AAMohamed.Ismail (at) dlr.dehttps://orcid.org/0000-0002-2077-0681
Date:30 September 2021
Journal or Publication Title:Proceedings of 5th International Conference on Control and Fault-Tolerant Systems (SysTol'21)
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Status:Published
Keywords:stochastic Markov models, health monitoring, fault tolernat systems
Event Title:5th International Conference on Control and Fault-Tolerant Systems (SysTol'21)
Event Location:Saint-Raphaël, France
Event Type:international Conference
Event Dates:29.-30. Sep. 2021
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:Components and Systems
DLR - Research area:Aeronautics
DLR - Program:L CS - Components and Systems
DLR - Research theme (Project):L - Aircraft Systems
Location: Braunschweig
Institutes and Institutions:Institute of Flight Systems
Institute of Flight Systems > Safety Critical Systems&Systems Engineering
Deposited By: Ismail, Dr. Mohamed AA
Deposited On:07 Dec 2021 16:20
Last Modified:07 Dec 2021 16:20

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