Study and Development of a Safe Sun Pointing Mode for the Proba-3 Mission

Woo, Pamela; Sobiesiak, Ludwik A.; Langelier, Marie-Kiki; Hamel, Jean‐François; Strippoli, Luigi; Canetri, Marco; Contreras, Rafael; Serrano, Daniel; Galano, Damien; Grzymisch, J.

doi:10.2514/6.2020-1199

AIAA Scitech 2020 Forum 2020

DOI: 10.2514/6.2020-1199

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Study and Development of a Safe Sun Pointing Mode for the Proba-3 Mission

Pamela Woo

Ludwik A. Sobiesiak

Marie-Kiki Langelier

et al.

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2024

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Satellite Sun‐Safe Controller Design Based on Super‐Twisting Disturbance Observer With Interval Analysis

Yang,

Wang,

Dávila

et al. 2024

Intl J Robust & Nonlinear

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This article investigates a satellite sun‐safe controller based on a super‐twisting disturbance observer (STDO) with interval analysis. First, a variable gain sliding mode control (SMC) algorithm is proposed to ensure that the satellite can achieve a fixed‐axis rotation and sun‐pointing attitude. The controller gains are adjusted according to the disturbance estimation value and the interval of the disturbance estimation error. The important feature of the adaptation algorithm is in non overestimating the values of the control gains. To achieve the purpose of non‐overestimating, a STDO is constructed to estimate the unknown disturbance. Additionally, the interval of the disturbance estimation error is obtained by interval analysis to update the controller gain in real time. Then, the stability and convergence of the closed‐loop system, including the variable gain sliding mode controller and the super‐twisting observer, are verified by using the Lyapunov theory. Finally, hardware‐in‐the‐loop (HIL) experimental results demonstrate that the proposed method not only performs better in terms of convergence and accuracy than the state‐of‐the‐art sun‐safe controller design method but also achieves more negligible chattering in the presence of disturbance torque compared to the fixed gain SMC method.

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Satellite Sun‐Safe Controller Design Based on Super‐Twisting Disturbance Observer With Interval Analysis

Yang,

Wang,

Dávila

et al. 2024

Intl J Robust & Nonlinear

View full text Add to dashboard Cite

show abstract

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Study and Development of a Safe Sun Pointing Mode for the Proba-3 Mission

Cited by 1 publication

References 0 publications

Satellite Sun‐Safe Controller Design Based on Super‐Twisting Disturbance Observer With Interval Analysis

Satellite Sun‐Safe Controller Design Based on Super‐Twisting Disturbance Observer With Interval Analysis

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