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Volume 39 Issue 2
Feb.  2013
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Journal of Beijing University of Aeronautics and Astronautics  > 2013  >  39(2): 215-219.
Zhang Jiayi, Luo Xiling, Huang Zhiganget al. Optimization of multi-mode motion estimation algorithm in H.264[J]. Journal of Beijing University of Aeronautics and Astronautics, 2008, 34(02): 140-143. (in Chinese)
Citation: Cao Qimeng, Li Yinghui, Xu Haojunet al. Stability region for closed-loop pilot-vehicle system with actuator rate saturation[J]. Journal of Beijing University of Aeronautics and Astronautics, 2013, 39(2): 215-219. (in Chinese)
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Stability region for closed-loop pilot-vehicle system with actuator rate saturation

  • School of Aeronautics and Astronautics Engineering, Air Force Engineering University, Xi'an 710038, China

  • Received Date: 09 Jan 2012
  • Publish Date: 28 Feb 2013
    Abstract
  • To solve advanced warplanes flight safety problem caused by category Ⅱ pilot induced oscillations(PIOs), the stability region of closed-loop pilot-vehicle system with actuator rate saturation was studied. The nonlinear model of closed-loop pilot-vehicle system was built. The augmented state variables and saturation degree function were introduced to address the rate saturation element. The ellipsoidal invariant sets were applied to estimate the stability region of closed-loop pilot-vehicle system. The stability region estimating algorithm was obtained. The stability region conservatism was investigated by time domain simulation and the effects of pilot control gain and rate saturation value on the stability region were researched. The results show that the stability region method has specific physical concept and illustrative results, and can be applied to evaluate the stability of closed-loop pilot-vehicle system. The results can provide a theoretical guidance for designing flight control systems of advanced warplanes.

     

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    • References(9)
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