Volume 4, Issue 1 (2004)
MJEE 2004, 4(1): 1-21 |
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HAMIDI BEHESHTI M, AHVAZI A. NONLINEAR H∞ CONTROLLER DESIGN FOR SATELLITE ATTITUDE CONTROL. MJEE 2004; 4 (1) :1-21
URL: http://mjee.modares.ac.ir/article-17-9738-en.html
URL: http://mjee.modares.ac.ir/article-17-9738-en.html
1- Tarbiat Modares university
Abstract: (3779 Views)
In this paper, we try to use modeling based on singular perturbation theory, in order to control satellite attitude during the wide rolling angle maneuvering through nonlinear H∞ control strategy. Differential equations describing dynamics of the satellite are presented first, and by choosing the appropriate dynamic model for actuators and based on the standard singular perturbation model, the closed-loop system is created. Next, this model is put into the appropriate form to solve H∞ problem. Then, after solving the HJI equation, the control law is determined. Simulation results for a nominal satellite control based on our approach are finally presented.
Received: 2010/10/3 | Accepted: 2010/10/3 | Published: 2010/10/3
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