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Volume 25 Issue 6
Jun.  1999
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Journal of Beijing University of Aeronautics and Astronautics  > 1999  >  25(6): 634-638.
XUE Xiao-chun, ZHAO Zi-dan. Comprehensive Analyses of Energy Spectrum and Reflection Coefficient in front of Vertical Breakwaters[J]. Journal of Beijing University of Aeronautics and Astronautics, 2000, 26(1): 49-51. (in Chinese)
Citation: Han Chao. Adaptive Attitude Control of Extra-Vehicular Activity[J]. Journal of Beijing University of Aeronautics and Astronautics, 1999, 25(6): 634-638. (in Chinese)
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Adaptive Attitude Control of Extra-Vehicular Activity

  • Beijing University of Aeronautics and Astronautics,School of Astronautics

  • Received Date: 03 May 1999
  • Publish Date: 30 Jun 1999
    Abstract
  • Extra-Vehicular Activity (EVA) is one kind of aided devices for astronaut's acting out of the spacecraft. Because of the mass property uncertainties and variations, the attitude control of EVA is a nonlinear and time variant control system with the uncertain parameters. This paper presents the study for direct adaptive angular velocity tracking (AAVT) control of EVA with the command generator tracker (CGT) method. Based on the AAVT, an adaptive attitude control method of EVA is presented. Simulation shows that the adaptive control with CGT has good robustness. The tracking precision of angular velocity is 0.1 deg/s; precision of attitude control is 0.5 deg.

     

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  • 1. Tanygin S, Willioms T. Direct adaptive control for SAFER/astronaut system. Advances in the Astronautical Sciences,1996, 90(1): 609~628 2. Kaufman H, Bar-Kana I, Sobrl K. Direct adaptive control algorithms, theory and application. Springer-Verlag,1994 3. 章仁为. 卫星轨道姿态动力学与控制.北京:北京航空航天大学出版社,1998 4. Tanygin S, Williams T. Mass property estimation using coasting maneuvers. Journal of Guidance, Control and Dynamics, 1997, 20(4): 625~632 5. 薛定宇. 控制系统计算机辅助设计. 北京:清华大学出版社,1996
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