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A kind of attitude control method for the quadrotor unmanned helicopter based on improved active disturbance rejection control (ADRC) is proposed in this paper. The dynamic model of the quadrotor unmanned helicopter is built, and the virtual control is introduced, then the non-linear model is decomposed into height, yaw, roll and pitch of the four independent channels and the disturbance rejection...
In this paper, a robust control strategy applying on a small helicopter is proposed. The controller is designed using the backstepping approach based on Lyapunov function. In control design, a hierarchical inner-outer loop based structure is proposed to control the hover flight in the presence of external wind gusts. The outer loop (position control) employs robust backstepping controller to control...
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