Volume 39 Issue 2
Feb.  2013
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Zhong Youwu, Ni Shaobo, Yang Lingyu, et al. Dynamic model and flight control method for structure damaged aircraft[J]. Journal of Beijing University of Aeronautics and Astronautics, 2013, 39(2): 154-158. (in Chinese)
Citation: Zhong Youwu, Ni Shaobo, Yang Lingyu, et al. Dynamic model and flight control method for structure damaged aircraft[J]. Journal of Beijing University of Aeronautics and Astronautics, 2013, 39(2): 154-158. (in Chinese)

Dynamic model and flight control method for structure damaged aircraft

  • Received Date: 30 Nov 2011
  • Publish Date: 28 Feb 2013
  • The dynamic model of a structure damaged aircraft was presented, for designing flight control law to ensure flight safety when the aircraft structure damaged partially. After analyzing the dynamic model, the rotational motion of structure damaged aircraft could be decomposed to normal aircraft rotational motion and disturbance motion by structural damage. The control of structure damaged aircraft could be translated to suppress the disturbance motion and uncertainties. A trajectory linearization control method based on extended state observer was proposed to design the robust flight control law. The simulation results indicate that, the flight control system can achieve the decouple control of the aircraft when the right wing lost 15%. And the attitude rate response follows the command well. The control system can endure the uncertainties and disturbance because of structure damage.

     

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