Measuring and Modeling Satellite Reaction Wheel Disturbances Using Acceleration and Force Sensors

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Sehatnia a.; HASHEMZADEH F.; Ghuchi Eskandar h.

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Paper Information

Journal: NASHRIYYAH -I MUHANDISI -I BARQ VA MUHANDISI -I KAMPYUTAR -I IRAN, A- MUHANDISI -I BARQ Year:2022 | Volume:20 | Issue:1 Page(s): 71-79

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Information Journal Paper

Title

Measuring and Modeling Satellite Reaction Wheel Disturbances Using Acceleration and Force Sensors

Author(s)

Sehatnia a. | HASHEMZADEH F. | Ghuchi Eskandar h. | Issue Writer Certificate

Keywords

Reaction wheel

observer

LMI

uncertain inputs

Abstract

The Reaction wheel is one of the most sensitive devices used in spacecraft, which is easily disturbed. Nowadays, maintaining the status of the satellite and the ability to control it, is one of the most important issues due to the costly design and construction of such projects. To improve this process, identifying and modeling perturbations and analyzing their effects on system parameters to spot the defects, are very important. As a result, accurate identification and estimation of perturbations on Reaction wheels through studying the effect of input uncertainty on the system state variables is necessary to reveal the internal condition of the spacecraft and identify its defects. For this reason, in this paper, a new observer is designed to estimate the uncertain perturbation and the system state vector. In this regard, by considering the dynamics of variable micro-turbulence with wheel imbalance time, we obtain the proposed observer’ s design matrices at any time by performing a series of linear matrix inequality (LMI) calculations that converge and stabilize the estimation error based on Lyapuanv theorem. Then, the results are presented in a series of simulations in MATLAB software included the characteristic of estimated uncertain inputs and state vector of micro-turbulence model, in section four.

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APA: Copy

Sehatnia, a., HASHEMZADEH, F., & Ghuchi Eskandar, h.. (2022). Measuring and Modeling Satellite Reaction Wheel Disturbances Using Acceleration and Force Sensors. NASHRIYYAH -I MUHANDISI -I BARQ VA MUHANDISI -I KAMPYUTAR -I IRAN, A- MUHANDISI -I BARQ, 20(1 ), 71-79. SID. https://sid.ir/paper/958388/en

Vancouver: Copy

Sehatnia a., HASHEMZADEH F., Ghuchi Eskandar h.. Measuring and Modeling Satellite Reaction Wheel Disturbances Using Acceleration and Force Sensors. NASHRIYYAH -I MUHANDISI -I BARQ VA MUHANDISI -I KAMPYUTAR -I IRAN, A- MUHANDISI -I BARQ[Internet]. 2022;20(1 ):71-79. Available from: https://sid.ir/paper/958388/en

IEEE: Copy

a. Sehatnia, F. HASHEMZADEH, and h. Ghuchi Eskandar, “Measuring and Modeling Satellite Reaction Wheel Disturbances Using Acceleration and Force Sensors,” NASHRIYYAH -I MUHANDISI -I BARQ VA MUHANDISI -I KAMPYUTAR -I IRAN, A- MUHANDISI -I BARQ, vol. 20, no. 1 , pp. 71–79, 2022, [Online]. Available: https://sid.ir/paper/958388/en

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