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Command Tracking in High Performance Aircrafts: A New Dynamic Inversion Design

Padhi, R and Rao, PN and Goyal, S and Balakrishnan, SN (2007) Command Tracking in High Performance Aircrafts: A New Dynamic Inversion Design. In: 17th IFAC Symposium on Automatic Control in Aerospace, Touoluse, France, 2007, Touoluse.

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This paper proposes a new straight forward technique based on dynamic inversion, which is applied for tracking the pilot commands in high performance aircrafts.Pilot commands assumed in longitudinal mode are normal acceleration and total velocity(while roll angle and lateral acceleration are maintained at zero). In lateral mode, roll rate and total velocity are used as pilot commands (while climb rate and lateral acceleration are maintained at zero). Ensuring zero lateral acceleration leads to a better turn co-ordination. A six degree-of-freedom model of F-16 aircraft is used for both control design as well as simulation studies. Promising results are obtained which are found to be superior as compared to an existing approach (which is also based on dynamic inversion). The new approach has two potential benefits, namely reduced oscillatory response and reduced control magnitude. Another advantage of this approach is that it leads to a significant reduction of tuning parameters in the control design process.

Item Type: Conference Paper
Keywords: Command tracking;dynamic inversion;aircraft control; longitudinal maneuver;lateral maneuver
Department/Centre: Division of Mechanical Sciences > Aerospace Engineering(Formerly Aeronautical Engineering)
Date Deposited: 22 Oct 2011 07:43
Last Modified: 22 Oct 2011 07:43
URI: http://eprints.iisc.ac.in/id/eprint/41582

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