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A fractional order proportional integral controller for path following and trajectory tracking of miniature air vehicles

Mand, Gagan Preet K and Ghosh, Ratna and Ghose, Debasish (2014) A fractional order proportional integral controller for path following and trajectory tracking of miniature air vehicles. In: PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART G-JOURNAL OF AEROSPACE ENGINEERING, 228 (8). pp. 1389-1402.

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Official URL: http://dx.doi.org/10.1177/0954410013493055


In this paper, a fractional order proportional-integral controller is developed for a miniature air vehicle for rectilinear path following and trajectory tracking. The controller is implemented by constructing a vector field surrounding the path to be followed, which is then used to generate course commands for the miniature air vehicle. The fractional order proportional-integral controller is simulated using the fundamentals of fractional calculus, and the results for this controller are compared with those obtained for a proportional controller and a proportional integral controller. In order to analyze the performance of the controllers, four performance metrics, namely (maximum) overshoot, control effort, settling time and integral of the timed absolute error cost, have been selected. A comparison of the nominal as well as the robust performances of these controllers indicates that the fractional order proportional-integral controller exhibits the best performance in terms of ITAE while showing comparable performances in all other aspects.

Item Type: Journal Article
Additional Information: Copyright for this article belongs to the SAGE PUBLICATIONS LTD, 1 OLIVERS YARD, 55 CITY ROAD, LONDON EC1Y 1SP, ENGLAND
Keywords: fractional order controller; path following; trajectory tracking; Unmanned Aerial Vehicles
Department/Centre: Division of Mechanical Sciences > Aerospace Engineering(Formerly Aeronautical Engineering)
Depositing User: Id for Latest eprints
Date Deposited: 24 Jun 2014 05:55
Last Modified: 24 Jun 2014 05:55
URI: http://eprints.iisc.ac.in/id/eprint/49296

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