Modeling and Sliding Mode Control of a Roll-Pitch Seeker

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Ghasemi, Mahsa | 2021

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Type of Document: M.Sc. Thesis
Language: Farsi
Document No: 55682 (45)
University: Sharif University of Technology
Department: Aerospace Engineering
Advisor(s): Nobahari, Hadi; Pourtakdoust, Hossein; Mohammad Karimi, Hamed
Abstract:
The purpose of this thesis is sliding mode control of a roll-pitch seeker by considering the zenith pass problem. This problem takes place when the target appears in front of the seeker’s head. First, the mathematical model of the roll and pitch frames is obtained by the Newton-Euler equations of motion. Then, a MIMO sliding mode controller is designed. The performance of the controller is investigated in the presence of model uncertainties and seeker disturbances. The results indicate that the designed controller is robust enough and provides a suitable performance in the stabilization, tracking and guidance loops.
Keywords:
Sliding Mode Control ; Stabilization ; Guidance ; Tracking ; Tracking Control ; Roll-Pitch Seeker

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