Design of an Adaptive Controller of a Satellite using Thruster Actuator | Zendy

Alireza Fazlyab | Zendy; Abbas Ajorkar | Zendy; Mansour Kabganian | Zendy

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Design of an Adaptive Controller of a Satellite using Thruster Actuator

Author(s) -

Alireza Fazlyab,

Abbas Ajorkar,

Mansour Kabganian

Publication year - 2014

Publication title -

international journal of computer applications

Language(s) - English

Resource type - Journals

ISSN - 0975-8887

DOI - 10.5120/17849-8798

Subject(s) - computer science , actuator , satellite , controller (irrigation) , aerospace engineering , simulation , aeronautics , artificial intelligence , engineering , agronomy , biology

this paper, an attitude control algorithm for a satellite is developed based on adaptive control using thruster actuators. For this purpose a twelve-thruster arrangement has been considered and the control torque for each thruster has been calculated. Then a Pulse Width-Pulse Frequency (PWPF) modulator is used for converting continuous controller signals into equivalent discrete one. Then, uncertainties in the moment of inertia matrix and disturbances torque has been considered and adaptive attitude control using feedback linearization controller with self-tuning regulator (Least Square Estimator With Bounded Gain Factor) is used. Finally, the performance of the designed attitude controller is investigated by simulations. KeywordsControl; Adaptive control; Satellite; Reaction

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