Robust output tracking control of a laboratory helicopter for automatic landing

Hao Liu, Geng Lu and Yisheng Zhong

International Journal of Systems Science, 2014, vol. 45, issue 11, 2242-2250

Abstract: In this paper, robust output tracking control problem of a laboratory helicopter for automatic landing in high seas is investigated. The motion of the helicopter is required to synchronise with that of an oscillating platform, e.g. the deck of a vessel subject to wave-induced motions. A robust linear time-invariant output feedback controller consisting of a nominal controller and a robust compensator is designed. The robust compensator is introduced to restrain the influences of parametric uncertainties, nonlinearities and external disturbances. It is shown that robust stability and robust tracking property can be achieved simultaneously. Experimental results on the laboratory helicopter for automatic landing demonstrate the effectiveness of the designed control approach.

Date: 2014
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DOI: 10.1080/00207721.2013.766774

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