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An almost disturbance decoupling solution of the attitude control problem

R. Özgür Doruk (Department of Electrical and Electronic Engineering, Middle East Technical University, Ankara, Turkey)
Erol Kocaoglan (Department of Electrical and Electronic Engineering, Middle East Technical University, Ankara, Turkey)

Aircraft Engineering and Aerospace Technology

ISSN: 0002-2667

Article publication date: 16 May 2008

Abstract

Purpose

The purpose of this paper is to derive a robust nonlinear attitude control law intended for practical application.

Design/methodology/approach

The method of input/output feedback linearization is utilized for having a linear model and a recently developed almost disturbance decoupling (ADD) approach is adopted for designing a robust satellite attitude control (SAC) system. The kinematics of the satellite is modeled by modified Rodriguez parameters because of their continuous invertibility. The design is simulated on the model of a realistic satellite project (BILSAT‐I), which is developed by the Turkish Scientific and Technological Research Council.

Findings

The torque requirement of the operation does not exceed the maximum limit provided by the actuator. The square error levels are staying under the boundary of final global attractor, which is one of the important proofs for the successful operation of the generated ADD control law.

Originality/value

The ADD concept is investigated on SAC problem. By that way, simple control structures with known disturbance attenuation capability can be designed.

Keywords

Citation

Özgür Doruk, R. and Kocaoglan, E. (2008), "An almost disturbance decoupling solution of the attitude control problem", Aircraft Engineering and Aerospace Technology, Vol. 80 No. 3, pp. 295-307. https://doi.org/10.1108/00022660810873728

Publisher

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Emerald Group Publishing Limited

Copyright © 2008, Emerald Group Publishing Limited