Model predictive tracking of spacecraft deorbit trajectories using drag modulation

AD Hayes, RJ Caverly - Acta Astronautica, 2023 - Elsevier
A novel method is proposed for spacecraft deorbit trajectory tracking in low-Earth orbit using
model predictive control to command changes in aerodynamic drag. Compared to previous …

Analytical model for corona discharge-based electrohydrodynamic plasma actuator incorporating environmental conditions

MR Homaeinezhad, M Nesaeian - Acta Astronautica, 2023 - Elsevier
The electrohydrodynamic (EHD) actuator system, which produces thrust by ionizing a gas
and accelerating it, is a novel propulsion system for near space vehicles. In this paper, an …

Safe and constrained rendezvous, proximity operations, and docking

C Petersen, RJ Caverly, S Phillips… - 2023 American Control …, 2023 - ieeexplore.ieee.org
This tutorial paper discusses the rising need for safe and constrained spacecraft
Rendezvous, Proximity Operations, and Docking (RPOD). This class of problems brings with …

A comparison of linear quadratic and nonlinear model predictive control applied to station keeping of satellites in areostationary Mars orbits

RD Halverson, A Weiss, R Caverly - AIAA SCITECH 2023 Forum, 2023 - arc.aiaa.org
View Video Presentation: https://doi. org/10.2514/6.2023-2000. vid There is an ever-growing
need for sustainable and reliable telecommunications between Earth and Mars, especially …

Generic Homotopic Smoothing for Low-Thrust Optimal Control Problems With Power Constraints

Q Xiao, L Li, J Zhang, M Xu - IEEE Transactions on Control …, 2024 - ieeexplore.ieee.org
This brief is devoted to the power-constrained low-thrust optimal control problem (OCP).
First, a general model for a class of power constraints is proposed by defining a piecewise …

Optimal extended state observer based control for vibration reduction on a flexible cantilever beam with using air thrust actuator

B Hizarci, Z Kıral, S Şahin - Applied Acoustics, 2022 - Elsevier
The idea of using air thrusts for vibration control of structures has gained attention since the
1990s. However, only discontinuous controllers and switching functions have been studied …

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 …

Adaptive sliding mode and RBF neural network based fault tolerant attitude control for spacecraft with unknown uncertainties and disturbances

Z Hou, X Lan - Advances in Space Research, 2024 - Elsevier
Taking the external disturbance, model uncertainty, actuator failure, and actuator saturation
into consideration, this paper investigates the nonlinear fault-tolerant attitude control …

Deep Coupled Alignment Control for Spacecrafts With Composite Disturbances and Mandatory Pointing Constraint

H Teng, Y Yang, J Qiao, Y Zhu… - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
The high-precision alignment of spacecrafts subject to multiple composite disturbances [eg,
axle frictions and back electromotive force (EMF)] and mandatory pointing constraints is an …

Low-Thrust Station-Keeping Strategy toward Exploiting the Resonances in the Geostationary Region

L Li, C Colombo, I Gkolias, J Zhang… - Journal of Aerospace …, 2024 - ascelibrary.org
Low-thrust propulsion systems are widely used in space missions due to their high specific
impulse and reduced propellant consumption. However, current research focuses on …