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General Information
    • ISSN: 1793-8198
    • Frequency: Quarterly
    • DOI: 10.18178/IJMMM
    • Editor-in-Chief: Prof. K. M. Gupta, Prof. Ian McAndrew
    • Executive Editor: Ms. Cherry L. Chen
    • Abstracting/Indexing: EI (INSPEC, IET), Chemical Abstracts Services (CAS),  ProQuest, Crossref, Ulrich's Periodicals Directory,  etc.
    • E-mail ijmmm@ejournal.net
Prof. Ian McAndrew
Embry Riddle Aeronautical University, UK.
It is my honor to be the editor-in-chief of IJMMM. I will do my best to help develop this journal better.

IJMMM 2014 Vol.2(3): 187-192 ISSN: 1793-8198
DOI: 10.7763/IJMMM.2014.V2.125

Controlling a VTOL in 2-DOF Subspaces

Aydin Yesildirek and Bara Emran
Abstract—A switching controller for vertical take off and landing (VTOL) vehicle is presented. Since the entire system belongs to a class of underactuated systems, it is decomposed in to three fully-actuated subsystems. Then, a set of constraints on the rotor speeds are given to cancel out some nonlinearities in input, hence ensure to obtain an affine in control dynamics that enables us to derive local feedback linearizing controllers and together with some associated Lyapunov functions. Finally, a controller scheduler based on Lyapunov functions is invoked to select the subsystem to be controlled and achieve the desired tracking motion. An illustration is given to show the effectiveness of the controller.

Index Terms—Quadrotor, lyapunov function, underactuated systems ,VTOL.

Aydin Yesildirek is with the Department of Electrical Engineering, American University of Sharjah, UAE.
Bara Emran is with the Mechatronics Graduate Program, American University of Sharjah, UAE (e-mail: Bara.Emran@yahoo.com).


Cite: Aydin Yesildirek and Bara Emran, "Controlling a VTOL in 2-DOF Subspaces," International Journal of Materials, Mechanics and Manufacturing vol. 2, no. 3, pp. 187-192, 2014.

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