Volume 5, Issue 15 And 16 (No.15-16,Vol.5,March-september2013 2013)
فصلنامه فناوری اطلاعات 2013, 5(15 And 16): 9-18 |
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Three-axis attitude control of a micro-satellite by magnetic actuators through-synthesis robust method. فصلنامه فناوری اطلاعات. 2013; 5 (15 and 16) :9-18
URL: http://jor.iranaict.ir/article-1-643-en.html
URL: http://jor.iranaict.ir/article-1-643-en.html
Abstract: (7197 Views)
In this paper a robust controller using µ-synthesis method has been designed for attitude control system of a micro-satellite in LEO orbit. Then the controller has been evaluated with accurate linear and nonlinear simulations. After necessary evaluation three-axis stabilization method with only magnetic torques and auxiliary gravity gradient boom was been selected. Nonlinear kinematics and dynamics equation of this system was obtained and linearization was performed on it. Finally the system was converted into a multivariable linear time varying system and controller for this system was performed via µ-synthesis, which has been done by changing from time varying system into system with uncertainty.
Keywords: Satellite attitude control, Magnetic attitude control, µ-synthesis, robust control, micro-satellite.
Type of Study: Applicable |
Subject:
Special
Received: 2015/03/3 | Accepted: 2015/03/3 | Published: 2015/03/3
Received: 2015/03/3 | Accepted: 2015/03/3 | Published: 2015/03/3
