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Forum: Tech Log

5th Jan 2015, 08:16

Replies: 49

Response of FBW aircraft in updraft

Views: 12,642

Posted By roulishollandais

Sensors, actuators and algorithms, observability and controllability

Hi A33Zab,
You are pointing other systems' faults... If sensors are missing for any reason and observability cannot be reached in the closed loop you must modify or add sensors, perhaps threads of...

Forum: Tech Log

5th Jan 2015, 02:58

Replies: 49

Response of FBW aircraft in updraft

Views: 12,642

Posted By roulishollandais

First quote : concerns the loss of...

First quote : concerns the loss of controllability reaching the limitation/protection. Boeing are not hard limited. Airbuses and F-16 are hard limited.
Second quote : concerns the certification of...

Forum: Tech Log

4th Jan 2015, 15:48

Replies: 49

Response of FBW aircraft in updraft

Views: 12,642

Posted By roulishollandais

A case of missing observability -which is the...

A case of missing observability -which is the other system design worst fault- can be pointed in the missing AoA under 60 KTs in AF447.

Remember : it is MANDATORY -state of art by serious guys-...

Forum: Tech Log

4th Jan 2015, 11:49

Replies: 49

Response of FBW aircraft in updraft

Views: 12,642

Posted By roulishollandais

That is of course the best side of these...

That is of course the best side of these algorithms. But devil is in details of the hard limits (F16, Airbus, but not Boeing). You kept control of your aircraft in overspeed by modifying Nz, but...

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