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A non-iterative design for aileron to rudder interconnect gain

Published online by Cambridge University Press:  09 December 2020

J. Myala Open the ORCID record for J. Myala [Opens in a new window] ,
V.V. Patel  and
G.K. Singh
J. Myala*
Affiliation:
Scientist, Integrated Flight Control Systems, ADA Bangalore, India Student of Academy of Scientific and Innovative Research (AcSIR), CSIR-NAL, Bangalore, India
V.V. Patel
Affiliation:
Scientist, Integrated Flight Control Systems, ADA, Bangalore, India
G.K. Singh
Affiliation:
Scientist, Flight Mechanics Control Division, NAL, Bangalore, India Faculty of Academy of Scientific and Innovative Research (AcSIR), CSIR-NAL, Bangalore, India
*
jayalakshmim@nal.res.in
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Abstract

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.

Keywords

aileron to rudder interconnect gaincontrol lawARIaircraftflightreconfiguration
Type
Research Article
Information
The Aeronautical Journal , Volume 125 , Issue 1286 , April 2021 , pp. 763 - 774
Copyright
© The Author(s), 2020. Published by Cambridge University Press on behalf of Royal Aeronautical Society

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