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Full-scale BIRE
The bio-inspired rotating empennage (BIRE) aircraft is a fighter with the vertical tail removed.
The horizontal tail is allowed to rotate as an additional control input.
How in the world do you fly it?
- Stabilization -
In this video the BIRE aircraft is stabilized in a steady coordinated turn following a non-zero initial condition in rotation rates.
The BIRE aircraft can be stabilized about a trim condition, whether in steady level flight, or steady heading sideslip. For more information, check out this paper : BIRE Stabilizing Controllers JGCD 2025
- Multiple Trim Solutions -
It was found that, depending on center of gravity location and sideslip angle, the BIRE aircraft has multiple trim solutions. These are shown below. Which do you think is preferable?
For more information, check out this paper : Multiple Trims SciTech 2025
Tail rotation positive
Tail rotation near-zero
Tail rotation negative
- Tracking a Pilot Signal -
More on this soon! This is the crux of my dissertation, to be published soon!
Sub-scale BIRE
- Tracking a Pilot Signal -
Our goal is to develop tracking control methodologies based on those created for the full-scale aircraft. These will be used on a sub-scale BIRE vehicle!
- Steps to Sub-scale BIRE : 1 -- Glider -
Check Out the Flight Tests for the first phase of the project, simple SISO control on a slow glider airframe.
- Steps to Sub-scale BIRE : 2 -- Aeroscout -
Check Out the Flight Tests for the first phase of the project, simple SISO control on a slightly faster high-wing airframe.
For more information on the BIRE aircraft check out our AeroLab BIRE Project Website!
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