Results 31 to 40 of about 1,722 (145)

Hardware-in-the-Loop Testing of Spacecraft Relative Dynamics and Tethered Satellite System on a Tip-Tilt Flat-Table Facility

Aerospace
This article presents a compact tip-tilting platform designed for hardware-in-the-loop emulation of spacecraft relative dynamics and a physical setup for testing tethered systems. The architecture consists of a granite slab supported by a universal joint
Giuseppe Governale, Armando Pastore, Matteo Clavolini, Mattia Li Vigni, Christian Bellinazzi, Catello Leonardo Matonti, Stefano Aliberti, Riccardo Apa, Marcello Romano   +8 more
doaj   +1 more source

Dynamic analysis of the tethered satellite system considering uncertain but bounded parameters

Defence Technology
Dynamic analysis of the tethered satellite system (TSS) can provide a fundamental guideline to the evaluation of performance and robust design of the system examined.
Xin Jiang, Zhengfeng Bai
doaj   +1 more source

Non-linear Free Periodic Oscillations Of A Tethered Satellite System [PDF]

Journal of Sound and Vibration, 1994
Abstract This paper deals with the non-linear dynamics of a tethered satellite system, with particular reference to periodic transverse oscillations. The motion is governed by two integro-differential equations with quadratic non-linear terms associated to gyroscopic forces. Notwithstanding the weakness of the non-linearities, the closeness of the in-
LUONGO, Angelo, Vestroni F.
openaire   +3 more sources

Fixed-Time Attitude Control for a Flexible Space-Tethered Satellite via a Nonsingular Terminal Sliding-Mode Controller

Aerospace
This paper presents a rigid–flexible coupling dynamic modeling framework and a fixed-time control strategy for a flexible space-tethered satellite (STS) system.
Cong Xue, Qiao Shi, Hecun Zheng, Baizheng Huan, Weiran Yao, Yankun Wang, Xiangyu Shao   +6 more
doaj   +1 more source

Model and Dynamic Analysis of a Three-Body Tethered Satellite System in Three Dimensions

Applied Sciences
The three-body tethered satellite system is a new potential technology for the purposes of orbital transportation. In contrast to conventional orbit transfer methods, this system is expected to transport space supplies to a predetermined orbital altitude
Teng He, ZhanXia Zhu
doaj   +1 more source

Controlled Deployment of a Tethered Satellite System [PDF]

PAMM, 2003
AbstractThe deployment of a tethered satellite system undoubtedly represents one of the most critical phases in a tether mission: due to its complicated dynamics, high amplitude oscillations are likely to rise in the system, and it will take a long time to reach the desired stable radial equilibrium state.
openaire   +1 more source

The Maintenance of Orbital States in a Floating Partial Space Elevator Using the Reinforcement Learning Method

Aerospace
A partial space elevator (PSE) is a multi-body tethered space system in which the main satellite, typically an ultra-large spacecraft or a space station in a higher orbit, is connected to a transport spacecraft in a lower orbit via a tether, maintaining ...
Weili Xu, Xuerong Yang, Gefei Shi
doaj   +1 more source

Long-Duration Inspection of GNSS-Denied Environments with a Tethered UAV-UGV Marsupial System

Drones
Unmanned Aerial Vehicles (UAVs) have become essential tools in inspection and emergency response operations due to their high maneuverability and ability to access hard-to-reach areas. However, their limited battery life significantly restricts their use
Simón Martínez-Rozas, David Alejo, José Javier Carpio, Fernando Caballero, Luis Merino   +4 more
doaj   +1 more source

Feedback Control for Satellite Orbit Transfer by a Tethered Satellite System

JOURNAL OF THE JAPAN SOCIETY FOR AERONAUTICAL AND SPACE SCIENCES, 2009
This study deals with co-planar orbital transfer of a satellite using a tether extension/retrieval mechanism. By controlling the pitch motion of the tether system, the designated velocity increment for the orbital transfer can be achieved at a prescribed position in orbit.
HOKAMOTO, Shinji, KOGA, Shohei
openaire   +2 more sources

ANCF-based dynamic modeling and control of an active tethered space robot in approaching phase

Scientific Reports
Herein we analyze the dynamic behavior of a tethered space robot (TSR) for on-orbit capturing, considering large deformation of the tether. The robot is deployed from the mother satellite by using a long, flexible tether and moving along the target ...
Ali Kasiri, Farhad Fani Saberi
doaj   +1 more source