Volume 40 Issue 4
Apr.  2014
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Guan Hong, Xu Shijie. Attitude dynamics and control of spacecraft with fluidic ring actuator based on the refined model[J]. Journal of Beijing University of Aeronautics and Astronautics, 2014, 40(4): 479-485. doi: 10.13700/j.bh.1001-5965.2013.0316(in Chinese)
Citation: Guan Hong, Xu Shijie. Attitude dynamics and control of spacecraft with fluidic ring actuator based on the refined model[J]. Journal of Beijing University of Aeronautics and Astronautics, 2014, 40(4): 479-485. doi: 10.13700/j.bh.1001-5965.2013.0316(in Chinese)

Attitude dynamics and control of spacecraft with fluidic ring actuator based on the refined model

doi: 10.13700/j.bh.1001-5965.2013.0316
  • Received Date: 31 May 2013
  • Publish Date: 20 Apr 2014
  • The influence of nonlinear disturbances to model's precision and control accuracy were studied after considering the viscous of the flow flied and the friction in the pump control system. For the former, the momentum loss caused by the viscous of flow was studied. The equivalent momentum loss depth in boundary layer and the momentum loss model of fully developed flow in curved rectangular tubes were obtained. For the latter, feedback compensation law of friction loss was designed under the consideration of friction nonlinearity influence, which improves the performance of pump. The precise dynamic and control models of fluidic ring actuator (FRA) for the high accuracy attitude control missions were deduced by adding the above two nonlinear feedback models to FRA dynamic model functions.

     

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