Volume 28 Issue 6
Jun.  2002
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SU Yuan, CAO Yi-hua. Dynamic Stability Analysis and Control Law Design of Stability Augmentation System for Helicopter[J]. Journal of Beijing University of Aeronautics and Astronautics, 2002, 28(6): 636-639. (in Chinese)
Citation: SU Yuan, CAO Yi-hua. Dynamic Stability Analysis and Control Law Design of Stability Augmentation System for Helicopter[J]. Journal of Beijing University of Aeronautics and Astronautics, 2002, 28(6): 636-639. (in Chinese)

Dynamic Stability Analysis and Control Law Design of Stability Augmentation System for Helicopter

  • Received Date: 23 Apr 2001
  • Publish Date: 30 Jun 2002
  • Dynamic stability and control laws of a hingeless rotor helicopter were studied. Based on dynamic stability analysis of the helicopter, the unstable mode and the necessity of installation of Stability Augmentation System (SAS) were cognized. The control laws of SAS for helicopter pitching, rolling and yawing motions were presented. Following establishing helicopter flight control state equations, the calculations of effective derivatives, the performance analysis and step response simulation for helicopter SAS were carried out. Through the design of SAS, the helicopter dynamic stability can be improved, the stability augmentation performance can meet the requirements of the first level qualities of the design specifications.

     

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