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Sensors 2018, 18(11), 3871; https://doi.org/10.3390/s18113871

Specification and Performance Indicators of AeroRing—A Multiple-Ring Ethernet Network for Avionics Embedded Systems

ISAE-SUPAERO/Université de Toulouse, 10 avenue Edouard Belin, 31055 Toulouse, France
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Received: 7 August 2018 / Revised: 31 October 2018 / Accepted: 7 November 2018 / Published: 10 November 2018
(This article belongs to the Section Sensor Networks)
PDF [1187 KB, uploaded 10 November 2018]

Abstract

The complexity and costs of the avionics communication architecture are increasing exponentially with the increasing number of embedded computers over the last few decades. To limit the cabling complexity and the deployment costs of such a communication architecture, we specify a new Gigabit multiple-ring Ethernet network, called AeroRing, while meeting the avionics requirements. First, we describe the current Aircraft Data Communication Network (ADCN) to highlight the main characteristics and requirements that have to be fulfilled by our solution. Then, we give an overview of the most relevant solutions to improve ADCN performance and relate them to AeroRing. Afterwards, we detail the specifications and the main Performance Indicators (PIs) of AeroRing. Finally, sensitivity and validation analyses of AeroRing are conducted through a realistic avionics application, regarding the various PIs, in comparison to the backbone network of the ADCN, the Avionics Full DupleX Switched Ethernet (AFDX). The computed AeroRing performance metrics show its ability to guarantee the avionics requirements.
Keywords: Sensor Networks; Ethernet; ring; avionics; maximum delivery time; redundancy recovery time; IEC 61784; IEC 62439 Sensor Networks; Ethernet; ring; avionics; maximum delivery time; redundancy recovery time; IEC 61784; IEC 62439
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
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Amari, A.; Mifdaoui, A. Specification and Performance Indicators of AeroRing—A Multiple-Ring Ethernet Network for Avionics Embedded Systems. Sensors 2018, 18, 3871.

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