Research on modeling and stability control of micro unmanned helicopter

The micro unmanned helicopter has become a hot spot in the fields of military applications because of its advantages of flexibility, good concealment and the capability of VTOL. In recent years, it has become the focus of the research institutes in various countries. In order to realize the goal of autonomous flight of the micro unmanned helicopter, it is necessary to have a precise model. In this paper, firstly, the theoretical model of the micro unmanned helicopter is carried out, and then a PID controller is designed for the linearized model, and finally, we carry out experiments on the “Ling-QueS” unmanned helicopter system which is designed by the authors of this paper. The results of the experiments show that the designed PID controller in this paper can correct the flight attitude shift effectively, and achieve the goal of stable and reliable flight. It is useful for the flight control system design and the further miniaturization design of the unmanned helicopter.

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