Koopman-operator control optimization for relative motion in space

S Servadio, R Armellin, R Linares - Journal of Guidance, Control, and …, 2023 - arc.aiaa.org
A high-order optimal control strategy implemented in the Koopman operator framework is
proposed in this work. The new technique exploits the Koopman representation of the …

Orbit control techniques for space debris removal missions using electric propulsion

M Leomanni, G Bianchini, A Garulli… - Journal of guidance …, 2020 - arc.aiaa.org
Electric propulsion is currently seen as a key enabling technology for space debris removal
missions aimed at deorbiting multiple debris targets. This paper develops an autonomous …

Electric satellite station keeping, attitude control, and momentum management by MPC

RJ Caverly, S Di Cairano… - IEEE Transactions on …, 2020 - ieeexplore.ieee.org
We propose a model predictive control (MPC) policy for simultaneous station keeping,
attitude control, and momentum management of a low-thrust nadir-pointing geostationary …

Micro-thrust, low-fuel consumption, and high-precision east/west station keeping control for GEO satellites based on synovial variable structure control

F Liu, L Ye, C Liu, J Wang, H Yin - Mathematics, 2023 - mdpi.com
Aiming at the shortcomings of non-optimal fuel consumption and low accuracy of
Geosynchronous orbit (GEO) satellites in the east/west station keeping (EWSK) at the …

Geostationary station-keeping of electric-propulsion satellite equipped with robotic arms

C Li, B Xu, W Zhou, Q Peng - Aerospace, 2022 - mdpi.com
We propose two approaches based on feedforward control and model-predictive control,
respectively, to solve the station-keeping problem of an electric-propulsion geostationary …

North/south station keeping of the geo satellites in asymmetric configuration by electric propulsion with manipulator

L Ye, C Liu, W Zhu, H Yin, F Liu, H Baoyin - Mathematics, 2022 - mdpi.com
Geosynchronous orbit (GEO) is a very important strategic resource. In order to maximize the
utilization of the GEO resources, the use of all-electric propulsion GEO platforms can greatly …

GMM-based adaptive extended Kalman filter design for satellite attitude estimation under thruster-induced disturbances

T Kim, NS Zewge, H Bang, H Yoon - Sensors, 2023 - mdpi.com
Star images from star trackers are usually defocused to capture stars over an exposure time
for better centroid measurements. While a satellite is maneuvering, the star point on the …

The Low Fuel Consumption Keeping Method of Eccentricity under Integrated Keeping of Inclination-Longitude

L Ye, C Liu, F Liu, W Zhang, H Baoyin - Aerospace, 2023 - mdpi.com
The influence of the natural perturbation force will cause the eccentricity of the GEO satellite
to produce a periodic motion with a period of years, and then cause the east–west station of …

Predefined-Time Control of a Spacecraft Attitude with Thrust Booms

X Kong, Y Sun, Y Guo, G Ma, Y Gong - Aerospace, 2023 - mdpi.com
A predefined-time attitude controller for electric spacecraft and its thrust booms is
investigated by combining a second-order sliding mode control with predefined-time …

Efficient high-accuracy north-south station-keeping strategy for geostationary satellites

XX Huang, B Yang, S Li, ZB Wang - Science China Technological …, 2021 - Springer
Station-keeping (SK) is indispensable in actual geostationary (GEO) satellite missions. Due
to the luni-solar gravity perturbations, the inclination of a GEO satellite suffers the issues of …