Questions tagged [ima]

IMA (integrated modular avionics) refers to real-time computer network airborne systems.

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How does Integrated Modular Avionics (IMA) improve reliability and obsolescence mitigation over the federated architecture?

I've been researching this question on why IMA is more reliable, and the common answer seems to be because of the robust partitioning which is reliable and can prevent software fault propagation. But ...
Kavooty's user avatar
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On IMA systems e.g. A380 how many people are required to preform regular maintenance checks on this system?

I am aware that there is usually 1 or 2 engineers preforming maintenance checks for a particular avionic system on an aircraft at a given moment. For IMA system, is there often more engineers working ...
Kavooty's user avatar
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41 votes
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How does an Airbus aircraft connect to the Internet? [duplicate]

I would like to understand better where (physically in the aircraft) and how the Internet connection is received on an Airbus aircraft, in particular in an Airbus A380, and then how this system is ...
Bluephoenix's user avatar
1 vote
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Which AFDX connections are used in Airbus A380?

AFDX is defined by ARINC 664 Part 7 and used in Airbus A380, I would like to know in which connections on the aircraft is used and for which purposes? Does anyone knows the answer or good ...
Bluephoenix's user avatar
0 votes
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6k views

What is the CPIOM in the IMA?

What is the CPIOM in the IMA architecture. Which is the difference between the CPIOM in the A380 and the CPIOM in the B777?
Gianni Alessandro's user avatar
5 votes
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What exactly is a BITE?

I read that with each LRU or Module in the IMA it is associated a BITE, Built-in-test Equipment. Can you describe more in detail what it is and which is its scope?
Gianni Alessandro's user avatar
1 vote
1 answer
2k views

Which is the difference between IMA (B777) and Open IMA (A380)?

The integrated modular avionics concept (IMA) was developed by Boeing for its B777. Open IMA is an improved version developed by Airbus starting from A380. Which are the differences? For example, I ...
Gianni Alessandro's user avatar
5 votes
1 answer
518 views

How are the system development and integration procedure separated for Integrated Modular Avionics?

I'm reading this paper about IMA (Integrated Modular Avionics) and I don't get the splitting of the development and integration procedure. In page 4 it says: Airbus has to modify the conventional ...
Gianni Alessandro's user avatar
12 votes
2 answers
40k views

What is the difference between Line-Replaceable Unit (LRU) and Integrated Modular Avionics (IMA)?

I'm studying the Integrated Modular Avionics (IMA) and the Line-Replaceable Unit (LRU), but I don't get the difference.
Gianni Alessandro's user avatar