The direct force flight control systems based on the inversed dynamics and their stability analysis

Cheng Xu, Wen Yi Qiang, Chang Qing Wang

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

As the maneuverability of the modern aircraft is increasing day after day, the nonlinear effect and coupling character of the flight dynamics becone a big problem to the flight control systems. The nonlinear decoupled control system is needed for the aircraft controlling. Based on the inversed system mothods, the direct force flight control system based on the inversed dynamics is designed. With the help of the active load control technology for the aerodynamic surface, the influence of the aerodynamic disturbance and model uncertainty can be rejected, and the modelling precision of the inversed system can be improved. The stability of the disturbed system is analized and the stabilizing condition is given. The simulation results proved that the new flight control system has a good performance in the decoupled flight attitude control and the decoupled flying path control mode, it also shows a good anti-interference ability and strong rubustness in the simulation.

Original languageEnglish
Pages (from-to)1308-1313
Number of pages6
JournalYuhang Xuebao/Journal of Astronautics
Volume29
Issue number4
StatePublished - Jul 2008
Externally publishedYes

Keywords

  • Decoupling
  • Direct force
  • Flying control
  • Inversed dynamics
  • Perturbed system

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