Volume 33 Issue 09
Sep.  2007
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Wu Zhenhui, Dong Chaoyang. Adaptive fuzzy sliding mode control for reaction-jet and aerodynamics compound control missile[J]. Journal of Beijing University of Aeronautics and Astronautics, 2007, 33(09): 1051-1055. (in Chinese)
Citation: Wu Zhenhui, Dong Chaoyang. Adaptive fuzzy sliding mode control for reaction-jet and aerodynamics compound control missile[J]. Journal of Beijing University of Aeronautics and Astronautics, 2007, 33(09): 1051-1055. (in Chinese)

Adaptive fuzzy sliding mode control for reaction-jet and aerodynamics compound control missile

  • Received Date: 27 Sep 2006
  • Publish Date: 30 Sep 2007
  • A missile autopilot design method based on adaptive fuzzy sliding mode control (AFSMC) was proposed for reaction-jet and aerodynamics compound control missile with nonlinearity and strong coupling. The universal approximation ability of adaptive fuzzy system was used to approximate the nonlinear function in missile dynamics equation during the flight of high angle of attack. And because the sliding mode control was robustness to external disturbance strongly, the sliding mode surface of the error system was constructed to overcome the influence of approximation error and external disturbance so that the actual overload can track the maneuvering command with high precision. Simulation results show that the missile autopilot designed in this paper not only can track large overload command with higher precision than traditional methods, but also is robust to model uncertainty and external disturbance strongly. After employing the reaction-jet and aerodynamics compound control, the aerodynamic fin deflection is decreased greatly. Therefore, the aerodynamic fin deflection saturation is avoided.

     

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