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IJSTR >> Volume 3- Issue 6, June 2014 Edition

International Journal of Scientific & Technology Research  
International Journal of Scientific & Technology Research

Website: http://www.ijstr.org

ISSN 2277-8616

Development Of Robust Flight Control Design For Unmanned Aerial Helicopter

[Full Text]



May Zin Tun, Zaw Min Naing, Hla Myo Tun



Keywords: UAV, Flight Control, Robust Control, Helicopter, MATLAB



Abstract: A complete flight control scheme with detailed design methodology is proposed for an indoor miniature coaxial helicopter with fixed collective pitch. To avoid system complexity and the problem of minimum phase control, the helicopter dynamic model is decomposed into two cascaded subsystems: an inner one for attitude and heading control and the outer one for trajectory control. H-infinity control technique and robust and perfect tracking method are used to respectively design the inner- and outer-loop controllers. By using the so-called asymptotic time-scale and eigenstructure assignment approach, the design process becomes very systematic and effective. The rotor simulation are also mentioned to improve the stability of UAH. The performance of the autonomous flight control system has been successfully validated in simulation flight tests.



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