Efficiency of hysteresis rods in small spacecraft attitude stabilization

Farrahi, Assal and Sanz Andres, Angel Pedro (2013). Efficiency of hysteresis rods in small spacecraft attitude stabilization. "The Scientific World Journal", v. 2013 ; ISSN 2356-6140. https://doi.org/10.1155/2013/459573.

Description

Title: Efficiency of hysteresis rods in small spacecraft attitude stabilization
Author/s:
  • Farrahi, Assal
  • Sanz Andres, Angel Pedro
Item Type: Article
Título de Revista/Publicación: The Scientific World Journal
Date: 2013
ISSN: 2356-6140
Volume: 2013
Subjects:
Faculty: Instituto de Microgravedad Ignacio Da Riva (UPM)
Department: Aeronaves y Vehículos Espaciales
Creative Commons Licenses: Recognition - No derivative works - Non commercial

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Abstract

A semiempirical method for predicting the damping efficiency of hysteresis rods on-board small satellites is presented. It is based on the evaluation of dissipating energy variation of different ferromagnetic materials for two different rod shapes: thin film and circular cross-section rods, as a function of their elongation. Based on this formulation, an optimum design considering the size of hysteresis rods, their cross section shape, and layout has been proposed. Finally, the formulation developed was applied to the case of four existing small satellites, whose corresponding in-flight data are published. A good agreement between the estimated rotational speed decay time and the in-flight data has been observed.

More information

Item ID: 39476
DC Identifier: http://oa.upm.es/39476/
OAI Identifier: oai:oa.upm.es:39476
DOI: 10.1155/2013/459573
Official URL: http://www.hindawi.com/journals/tswj/2013/459573/
Deposited by: Biblioteca ETSI Aeronauticos
Deposited on: 25 Feb 2016 11:35
Last Modified: 13 Jun 2016 09:25
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