Results 11 to 20 of about 2,101 (233)

Dynamic Analysis of Tethered Satellites with a Payload Moving Along a Flexible Tether

open access: yesApplied Sciences
This study investigates the dynamic behavior of a three-body tethered satellite system with a flexible tether, focusing on a scenario in which a payload is transported along the tether connecting two satellites.
Yohan Ahn   +3 more
doaj   +2 more sources

Nickelferrite on Pnictogen Functionalized Carbon Nanohorns. Bifunctional ORR and OER Catalysts in Rechargeable Zinc-Air Batteries. [PDF]

open access: yesAdv Sci (Weinh)
A systematic study on the performance of N,P‐doped NiFe2O4@CNH bi‐functional hybrid electrocatalysts for rechargeable zinc‐air batteries is presented. The importance of P, N‐doping and the intimate tethering of nickel‐ferrite nanocubes on the carbon nano‐horn (CNH) surface which are well dispersed on the surface of N,P doped CNHs.
Yadav SK   +4 more
europepmc   +2 more sources

A Unification of Models of Tethered Satellites [PDF]

open access: yesSIAM Journal on Applied Dynamical Systems, 2011
In this paper, different conservative models of tethered satellites are related mathematically, and it is established in what limit they may provide useful insight into the underlying dynamics. An infinite dimensional model is linked to a finite dimensional model, the slack-spring model, through a conjecture on the singular perturbation of tether ...
Kristian Uldall Kristiansen   +2 more
openaire   +3 more sources

Satellite Swarm-Based Antenna Arrays for 6G Direct-to-Cell Connectivity

open access: yesIEEE Access, 2023
Direct connectivity in L/S frequency bands between satellites and common mobile terrestrial user equipment (UE), such as smartphones, is an essential feature for future 6G non-terrestrial networks.
Diego Tuzi   +2 more
doaj   +1 more source

Micro Satellite Orbital Boost by Electrodynamic Tethers [PDF]

open access: yesMicromachines, 2021
In this manuscript, a method for maneuvering a spacecraft using electrically charged tethers is explored. The spacecraft’s velocity vector can be modified by interacting with Earth’s magnetic field. Through this method, a spacecraft can maintain an orbit indefinitely by reboosting without the constraint of limited propellant.
Peter Yao, Timothy Sands
openaire   +3 more sources

On the dynamics of a tethered satellite system [PDF]

open access: yesArchive for Rational Mechanics and Analysis, 1994
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Wang, Li-Sheng   +2 more
openaire   +2 more sources

ON CONTROL OF TETHERED SATELLITE SYSTEMS

open access: yesIFAC Proceedings Volumes, 1985
Abstract The dynamics of tethered satellite systems is rather complex and consists of various rotational and vibrational degrees of freedom. While designing its control system, some of these degrees of freedom may be modeled while the others are likely to be left unmodeled to reduce complexity and cost.
A.K. Misra, D.M. Xu, V.J. Modi
openaire   +1 more source

Stability of a tethered satellite system [PDF]

open access: yes29th Aerospace Sciences Meeting, 1991
am(S,ao.d6) a($,,) as a function of wing area, wing inclination and boom length The Tethers in Space program will provide an important new c The aerodynamic damping derivative = -2 facility for conducting experiments in regions remote from the (A rough approximation only; this was developed Space Shuttle Orbiter.
Santangelo, Andrew Dominic   +1 more
openaire   +1 more source

Effects of Orbital Perturbations on Deployment Dynamics of Tethered Satellite System Using Variable-Length Element

open access: yesIEEE Access, 2021
Orbital perturbations caused by the space environment will induce deviations compared with the prescribed motion trajectory or dynamic performance of the tethered satellite system (TSS).
Zhengfeng Bai, Xin Jiang
doaj   +1 more source

In-plane adaptive retrieval control for a noncooperative target by tethered space robots

open access: yesInternational Journal of Advanced Robotic Systems, 2016
Using tether to replace rigid arms, the tethered space robot has more flexibility and security than the traditional space robot, which gives it a wide application prospect in the satellite retrieval.
Zhongjie Meng   +3 more
doaj   +1 more source

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