Abstract

In order to realize the rapid verification of the control algorithm of the tilt tri-rotor UAV, this paper presents the design and implementation of the SIL(software in the loop) simulation system using X-plane software. Firstly, According to the actual parameters of the designed tilt tri-rotor UAV, a full scale digital model that can simulate actual flight dynamics is designed by Plane Maker. Secondly, the flight control scheme consists of mode transition strategy, hybrid controller and control allocation is illustrated and carried out using Matlab/Simulink. Then, using UDP protocol, the UAV model based on X-Plane and the controller based on MATLAB / Simulink are combined to form the SIL simulation system. Finally, the flight simulations are finished using the SIL system, and the results show that the designed simulation system is suitable for the verification of the flight control algorithm of the tilt tri rotor UAV.

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