Development of a Rotorcraft Micro air Vehicle for Indoor Flight Research

Fu, Li; Wang, Lingling; Yang, Xi

doi:10.1007/s10846-015-0217-z

Cited by 3 publications

(1 citation statement)

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“…As shown in [14], an accurate and robust altitude control method was presented for VTOL aircrafts equipped with turbine engines in order to achieve the quasi-stationary flight. To support navigation and control research for indoor micro air vehicles, a four wing tailsitter type rotorcraft micro air vehicle was developed in [15]. Based on aerodynamics characteristics of a fixed-wing micro air vehicle, the influence of a propeller slipstream was investigated in [16].…”

Section: Introductionmentioning

confidence: 99%

Nonlinear robust control of tail-sitter aircrafts in flight mode transitions

Zhang

Liu

et al. 2018

Aerospace Science and Technology

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In this paper, a nonlinear robust controller is proposed to deal with the flight mode transition control problem of tail-sitter aircrafts. During the mode transitions, the control problem is challenging due to the high nonlinearities and strong couplings. The tail-sitter aircraft model can be considered as a nominal part with uncertainties including nonlinear terms, parametric uncertainties, and external disturbances. The proposed controller consists of a nominal H ∞ controller and a nonlinear disturbance observer. The nominal H ∞ controller based on the nominal model is designed to achieve the desired trajectory tracking performance. The uncertainties are regarded as equivalent disturbances to restrain their influences by the nonlinear disturbance observer. Theoretical analysis and simulation results are given to show advantages of the proposed control method, compared with the standard H ∞ control approach.

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Section: Introductionmentioning

confidence: 99%