Precision IPACS in the Presence of Dynamic Uncertainty

被引：6
作者：
Kim, D. [1 ]
MacKunis, W. [1 ]
Fitz-Coy, N. [1 ]
Dixon, W. E. [1 ]
机构：
[1] Univ Florida, Mech & Aerosp Engn Dept, Gainesville, FL 32611 USA
来源：
PROCEEDINGS OF THE 48TH IEEE CONFERENCE ON DECISION AND CONTROL, 2009 HELD JOINTLY WITH THE 2009 28TH CHINESE CONTROL CONFERENCE (CDC/CCC 2009) | 2009年
关键词：
ATTITUDE-CONTROL; ADAPTIVE ATTITUDE; TRACKING;
D O I：
10.1109/CDC.2009.5400752
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
An adaptive robust integrated power and attitude control system (IPACS) is presented for a variable speed control moment gyroscope (VSCMG)-actuated satellite. The developed IPACS method is capable of achieving precision attitude control while simultaneously achieving asymptotic power tracking for a rigid-body satellite in the presence of dynamic uncertainty in the VSCMG gimbals and wheels. In addition, the developed controller compensates for the effects of uncertain, time-varying satellite inertia properties. Some challenges encountered in the control design are that the control input is premultiplied by a non-square, time-varying, nonlinear, and uncertain matrix and is embedded in a discontinuous nonlinearity. Globally uniformly ultimately bounded attitude tracking and asymptotic power tracking results are proven via Lyapunov stability analysis.
引用
收藏
页码：5959 / 5964
页数：6
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