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The Tail-Sitter VTOL UAV is a new type of unmanned aerial vehicle (UAVS), and it has been the focus and difficulty of domestic and foreign scholars because of the large state changes and high control difficulty in the transition process. In this paper, an improved L1 adaptive control method was proposed to solve the problem that the aerodynamic parameters of Tail-Sitter VTOL UAV changed greatly during the transition process. Finally, the design process of the improved L1 adaptive controller is introduced in detail, and the digital simulation is carried out to verify the feasibility and effectiveness of the improved L1 adaptive controller in the UAV transition process. Finally, the digital simulation results of the whole process of Tail-Sitter VTOL UAV are given and analyzed.
Meng et al. (Fri,) studied this question.