Robust fixed-time attitude stabilization control of flexible spacecraft with actuator uncertainty

L Cao, B Xiao, M Golestani - Nonlinear Dynamics, 2020 - Springer
A robust fixed-time control framework is presented to stabilize flexible spacecraft's attitude
system with external disturbance, uncertain parameters of inertia, and actuator uncertainty …

Adaptive fast nonsingular terminal sliding mode control for attitude tracking of flexible spacecraft with rotating appendage

Y Miao, I Hwang, M Liu, F Wang - Aerospace Science and Technology, 2019 - Elsevier
This paper investigates the attitude tracking problem for the flexible spacecraft composed of
a rigid platform with a rotating appendage. Two robust attitude controllers, each matched to …

Vibration suppression and fault-tolerant attitude control for flexible spacecraft with actuator faults and malalignments

MN Hasan, M Haris, S Qin - Aerospace Science and Technology, 2022 - Elsevier
An efficient and cost-effective finite-time fault-tolerant attitude controller for a class of flexible
spacecraft is designed in this paper to cater to flexible appendages' vibrations, along with …

Dynamic modeling and vibration control of a coupled rigid-flexible high-order structural system: A comparative study

M Azimi, EF Joubaneh - Aerospace Science and Technology, 2020 - Elsevier
Abstract A Generalized Differential Quadrature (GDQ) as an accurate numerical technique
based on non-uniform grid point distribution, Chebyshev-Gauss-Lobatto (CGL) and Roots of …

Rigid-flexible coupling dynamic modeling and analysis of dumbbell-shaped spacecraft

B Wang, Z Liu, P Zheng - Aerospace Science and Technology, 2022 - Elsevier
In this paper, the dynamic modeling of a new configuration spacecraft is investigated. The
significance of dumbbell-shaped spacecraft to deep space exploration and the configuration …

Neural network disturbance observer with extended weight matrix for spacecraft disturbance attenuation

T He, Z Wu - Aerospace Science and Technology, 2022 - Elsevier
A modified neural network-based disturbance observer with high-accuracy estimation
performance is fabricated for spacecraft attitude control in this paper. To reduce the …

Design and performance assessment of a distributed vibration suppression system of a large flexible antenna during attitude manoeuvres

F Angeletti, P Gasbarri, M Sabatini, P Iannelli - Acta Astronautica, 2020 - Elsevier
One of the major needs of future Earth Observation satellites is to fulfil high demanding
pointing requirements when using instrumentations supported by or mounted at the end of …

Modeling and disturbance suppression for spacecraft solar array systems subject to drive fluctuation

J Zhang, S Lu, L Zhao - Aerospace Science and Technology, 2021 - Elsevier
The vibration of flexible solar array during sun-tracking drive has been one of the
challenging problems in modern space technology. In this work, the vibration disturbance of …

Multirate iterative learning disturbance observer with robustness to frequency deviation for high precision attitude stabilization of flexible spacecraft subject to complex …

T He, Z Wu - Aerospace Science and Technology, 2020 - Elsevier
High precision attitude stabilization of spacecraft is essential for the operation of precision
instruments onboard. However, attitude vibrations of spacecraft are inevitably induced by …

Vibration suppression of flexible spacecraft during attitude maneuver using CMGs

J Guo, Y Geng, B Wu, X Kong - Aerospace Science and Technology, 2018 - Elsevier
In this paper, control moment gyroscope (CMG) system is employed to suppress vibration of
flexible spacecraft during attitude maneuver. Direct modal force generated by CMGs is …