Title:
Adaptive, Integrated Guidance and Control Design for Line-of-Sight based Formation Flight
Adaptive, Integrated Guidance and Control Design for Line-of-Sight based Formation Flight
Author(s)
Kim, Byoung Soo
Calise, Anthony J.
Sattigeri, Ramachandra J.
Calise, Anthony J.
Sattigeri, Ramachandra J.
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Abstract
This paper presents an integrated guidance and control design for formation flight
using a combination of adaptive output feedback and backstepping techniques without an
underlying time-scale separation assumption. We formulate the problem as an adaptive
output feedback control problem for a line-of-sight (LOS) based formation flight
configuration of a leader and a follower aircraft. The design objective is to regulate range
and two bearing angle rates while maintaining turn coordination. Adaptive neural networks
are trained online with available measurements to compensate for unmodeled nonlinearities
in the design process. These include uncertainties due to unknown leader aircraft
acceleration, and the modeling error due to parametric uncertainties in the aircraft
aerodynamic derivatives. One benefit of this approach is that the guidance and flight control
design process is integrated. Simulation results using a nonlinear 6DOF simulation model
are presented to illustrate the efficacy of the approach by comparing the performance with a
time-scale separation based design.
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Date Issued
2006-08
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Text
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Proceedings