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Attitude tracking control for autogyro based on derivative-free adaptive NDI and dynamic control allocation
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摘要
This paper presents a new attitude tracking control scheme for autogyro.An example unmanned autogyro is built and modeled based on explicit blade element method(EBEM).To tackle the strong coupling and fast time-varying periodic disturbances,a new attitude control scheme is proposed.The scheme employs nonlinear dynamic inversion augmented with derivative-free adaptive neural network to achieve decoupling and fast compensation.To coordinate the aerodynamic control surfaces and non-affine rotor cyclic pitch controls,a rotor-surface control allocator is designed based on dynamic control allocation method.Numerical simulations illustrate the superior performance of the proposed scheme comparing to conventional PID and derivative-based adaptive controllers in the presence of fast time-varying disturbances.
This paper presents a new attitude tracking control scheme for autogyro.An example unmanned autogyro is built and modeled based on explicit blade element method(EBEM).To tackle the strong coupling and fast time-varying periodic disturbances,a new attitude control scheme is proposed.The scheme employs nonlinear dynamic inversion augmented with derivative-free adaptive neural network to achieve decoupling and fast compensation.To coordinate the aerodynamic control surfaces and non-affine rotor cyclic pitch controls,a rotor-surface control allocator is designed based on dynamic control allocation method.Numerical simulations illustrate the superior performance of the proposed scheme comparing to conventional PID and derivative-based adaptive controllers in the presence of fast time-varying disturbances.
引文
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