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3.5.2 Integrated Modular Avionics: a challenge in Tools & processes
Author(s) -
Bonnet Pierre,
Coupier Alain
Publication year - 2004
Publication title -
incose international symposium
Language(s) - English
Resource type - Journals
ISSN - 2334-5837
DOI - 10.1002/j.2334-5837.2004.tb00521.x
Subject(s) - avionics , integrated modular avionics , modular design , engineering , systems engineering , avionics software , manufacturing engineering , computer science , software engineering , operating system , software , aerospace engineering , software quality , software development
Abstract For years, the avionics systems have been implemented via Line Replaceable Units (LRU) where each LRU is dedicated to one avionics function, leading to huge avionics costs as more and more functions were embedded. In the late 80's, came the idea of Integrated Modular Avionics (IMA) where generic “platforms” would be shared by several “applications“. “First‐generation” IMA programs demonstrated the industry capability to provide integrated “avionics suites” with standardised computing resources, leading to significant improvements in terms of direct and indirect aircraft costs. With the “Second‐generation” of IMA program, the IMA platforms are now being procured separately from the hosted avionics applications, introducing many challenges in terms of industrial organisation, design processes and tools. Thales with Diehl Avionik Systeme, its 49% German subsidiary, has been awarded IMA platforms on the A380 and had to overcome with Airbus these challenges to make this “2nd‐generation” IMA a success. The paper will review how Thales and Diehl are conducting these changes, and how System Engineering processes are impacted. The paper will also give some hints and what is still to be made or could be envisioned as a “3rd‐generation” IMA.

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