Output Feedback Control for Spacecraft Attitude System with Practical Predefined-Time Stability Based on Anti-Windup Compensator

Nguyen Xuan-Mung, Mehdi Golestani, Huu Tiep Nguyen, Ngoc Anh Nguyen and Afef Fekih ()
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Nguyen Xuan-Mung: Faculty of Mechanical and Aerospace Engineering, Sejong University, Seoul 05006, Republic of Korea
Mehdi Golestani: Department of Electrical Engineering, Iran University of Science and Technology, Tehran 16844, Iran
Huu Tiep Nguyen: Department of Quantum and Nuclear Engineering, Sejong University, Seoul 05006, Republic of Korea
Ngoc Anh Nguyen: Faculty of Fundamental Science, PHENIKAA University, Hanoi 12116, Vietnam
Afef Fekih: Department of Electrical and Computer Engineering, University of Louisiana at Lafayette, Lafayette, LA 70504, USA

Mathematics, 2023, vol. 11, issue 9, 1-17

Abstract: This paper investigates the problem of output feedback attitude control for rigid spacecraft subject to inertia matrix uncertainty, space disturbance, and input saturation. Firstly, a model transformation is adopted to convert an attitude system with immeasurable angular velocity into a new system. All states of the new converted system are measurable and available for feedback; however, the system contains mismatched uncertainty resulting from the coordinate transformation. Then, an adaptive nonsingular back-stepping control with practical predefined-time convergence is designed. To resolve the problem of input saturation, an anti-windup compensator is developed. It is analytically proved that the spacecraft attitude and angular velocity are practical predefined-time stable, such that the convergence time is a given tunable constant. The simulation results reveal that the proposed control framework provides rapid attitude maneuver and actuator saturation elimination.

Keywords: spacecraft attitude system; output feedback; practical predefined-time stability; back-stepping control; anti-windup compensator (search for similar items in EconPapers)
JEL-codes: C (search for similar items in EconPapers)
Date: 2023
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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