A non-iterative design for aileron to rudder interconnect gain

Aileron to Rudder Interconnect (ARI) gain is implemented on most fighter aircraft, primarily to reduce the side slip produced due to adverse yaw from pilot lateral control stick input and to improve the turn rate response. A systematic and non-iterative design procedure for ARI gain is proposed here...

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Bibliographic Details
Published inAeronautical journal Vol. 125; no. 1286; pp. 763 - 774
Main Authors Myala, J., Patel, V.V., Singh, G.K.
Format Journal Article
LanguageEnglish
Published Cambridge, UK Cambridge University Press 01.04.2021
Subjects
Ailerons
Aircraft accidents & safety
Control sticks
Control theory
Damage
Design specifications
Fighter aircraft
Flight control
Lateral control
Military aircraft
Reconfiguration
Rudders
Sideslip
Transfer functions
Yaw
ARI
aileron to rudder interconnect gain
flight
reconfiguration
control law
aircraft
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Summary:Aileron to Rudder Interconnect (ARI) gain is implemented on most fighter aircraft, primarily to reduce the side slip produced due to adverse yaw from pilot lateral control stick input and to improve the turn rate response. A systematic and non-iterative design procedure for ARI gain is proposed herein based on the evaluation of a transfer function magnitude at the aircraft roll mode frequency. The simplicity of the proposed method makes it useful for real-time flight control law reconfiguration in situations where the aileron control authority is diminished due to damage. This is demonstrated by a simulation example considering an aileron surface damage scenario.
ISSN:0001-9240
2059-6464
DOI:10.1017/aer.2020.131