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Transactions: WSEAS TRANSACTIONS ON SYSTEMS AND CONTROL
Transactions ID Number: 31-569
Full Name: ELAKKARY AHMED
Position: Student
Age: ON
Sex: Male
Address: Avenue Prince Héritier Sidi Mohamed B.P: 227 Salé médina- MOROCCO
Country: MOROCCO
Tel: +21269542727
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Fax: 21237881564
E-mail address: aelakkary@gmail.com
Other E-mails: aelakkary@caramail.com
Title of the Paper: A necessary and sufficient condition for output feedback stabilizability: application for attitude control systems of micro satellite.
Authors as they appear in the Paper: N.ELALAMI
Email addresses of all the authors:
Number of paper pages: 10
Abstract: Abstract: - In this paper, we deal with the attitude control of a satellite equipped with wheels of reaction, using the static output feedback. In the first part, we set the control and its integral in the state-feedback form. Then, by using the algorithm of Kucera, we establish the necessary and sufficient conditions so that the nonlinear system which models the satellite will be stabilizable by the Static Output Feedback. Thereafter, we present the robust stabilization of the attitude control; this robustness is influenced by the parametric uncertainly of the model and by the input noise in the system. The main results of this paper show that the sufficient conditions for the existence of the robust static output feedback control can stabilize the studied system. The controller proposed here is based upon a generalization of Gronwall's lemma.
Keywords: pole placement; satellite; attitude control; attitude stabilization; robustness; Bellman –Gronwall; Output feedback.
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