Ahmad, S.M., Shaheed, M.H., Chipperfield, A.J. and Tokhi, M.O.
Non-linear modelling of a one-degree-of-freedom twin-rotor multi-input system using radial basis function networks.
Proceedings of the Institution of Mechanical Engineers, Part G: Journal of Aerospace Engineering, 216, (4), .
Modelling of innovative aircraft such as unmanned air vehicles (UAVs), X-wing, tilt body and delta-wing aircraft is not easy. It is argued in this paper that non-linear system identification is suitable for modelling air vehicles of complex configuration. This approach is demonstrated through a laboratory test rig. Extensive time and frequency-domain model-validation tests are employed in order to instil confidence in the estimated model. The estimated model has a good predictive capability and can be utilized for non-linear flight simulation studies. Some aspects of the modelling approach presented may be relevant to flight mechanics modelling of new generations of air vehicle.
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