Volume 36 Issue 10
Oct.  2010
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Zhang Youan, Wu Yinsheng. Sliding mode control based on proportion allocation for over-actuated saucer-shaped aircraft[J]. Journal of Beijing University of Aeronautics and Astronautics, 2010, 36(10): 1194-1198. (in Chinese)
Citation: Zhang Youan, Wu Yinsheng. Sliding mode control based on proportion allocation for over-actuated saucer-shaped aircraft[J]. Journal of Beijing University of Aeronautics and Astronautics, 2010, 36(10): 1194-1198. (in Chinese)

Sliding mode control based on proportion allocation for over-actuated saucer-shaped aircraft

  • Received Date: 09 Sep 2009
  • Publish Date: 31 Oct 2010
  • In order to avoid some actuators saturation in advance, a proportion control allocation strategy was proposed in over-actuated saucer-shaped aircraft under position limits. The proportion was defined by the lower and upper position limits of the actuators. With the strategy, the system with two inputs was changed into one with single input, and the appearance of some actuators saturation in advance was avoided. The actuator dynamics and the uncertainty of the aerodynamic coefficients of the system were considered. A sliding mode control law was designed. The weighting matrix of the pseudoinverse control allocation was determined by comparison between proportion control allocation and pseudoinverse control allocation. Simulation results show that the proposed method is right and effective.

     

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