Underactuated spacecraft formation reconfiguration with collision avoidance

X Huang, Y Yan, Y Zhou - Acta astronautica, 2017 - Elsevier
Underactuated collision-free controllers are proposed in this paper for multiple spacecraft
formation reconfiguration in circular orbits with the loss of either the radial or in-track thrust. A …

A pulsed plasma thruster fault detection and isolation strategy for formation flying of satellites

A Valdes, K Khorasani - Applied Soft Computing, 2010 - Elsevier
The main objective of this paper is to develop a dynamic neural network-based fault
detection and isolation (FDI) scheme for pulsed plasma thrusters (PPTs) that are employed …

Minimum sliding mode error feedback control for fault tolerant reconfigurable satellite formations with J2 perturbations

L Cao, X Chen, AK Misra - Acta Astronautica, 2014 - Elsevier
Abstract Minimum Sliding Mode Error Feedback Control (MSMEFC) is proposed to improve
the control precision of spacecraft formations based on the conventional sliding mode …

Relative orbit estimation and formation keeping control of satellite formations in low Earth orbits

G Zeng, M Hu, H Yao - Acta Astronautica, 2012 - Elsevier
A new relative orbit estimation method and practical control scheme for satellite formation
keeping is developed. We present the general formation description method based on the …

Sliding mode control for Lorentz-augmented spacecraft hovering around elliptic orbits

X Huang, Y Yan, Y Zhou, H Zhang - Acta Astronautica, 2014 - Elsevier
A Lorentz spacecraft is an electrostatically charged space vehicle that could actively
modulate its surface charge to generate Lorentz force as it moves through the planetary …

Towards a unified catalog of hypermedia design patterns

DM Germán, DD Cowan - Proceedings of the 33rd Annual …, 2000 - ieeexplore.ieee.org
There has been a recent increase in the number of published design patterns for
hypermedia. Some of these patterns have been evolving, while others have remained …

Acquirement of pure gravity orbit using precise formation flying technology

W Zhaokui, Z Yulin - Acta Astronautica, 2013 - Elsevier
Pure gravity orbit is an orbit removed non-gravity disturbances, which can give a more
precise relation between gravity and orbit, and can be used to navigation satellite, earth …

Optimal Lorentz-augmented spacecraft formation flying in elliptic orbits

X Huang, Y Yan, Y Zhou - Acta Astronautica, 2015 - Elsevier
An electrostatically charged spacecraft accelerates as it moves through the Earth׳ s
magnetic field due to the induced Lorentz force, providing a new means of propellantless …

Input–output linearization minimum sliding-mode error feedback control for spacecraft formation with large perturbations

L Cao, X Chen - Proceedings of the Institution of Mechanical …, 2015 - journals.sagepub.com
To improve the control precision of nonlinear spacecraft formation flying, the input–output
linearization minimum sliding-mode error feedback controller is presented based on the …

Dynamics and control of underactuated spacecraft formation reconfiguration in elliptic orbits

X Huang, Y Yan, Y Zhou - Proceedings of the Institution of …, 2018 - journals.sagepub.com
Feasibility of underactuated formation reconfiguration in elliptic orbits without radial or in-
track thrust is investigated in this paper. For either underactuated case, by using a linear …