Study of Stability of Rotational Motion of Spacecraft with Canonical Variables

William Reis Silva, Maria Cecília F. P. S. Zanardi, Regina Elaine Santos Cabette and Jorge Kennety Silva Formiga

Mathematical Problems in Engineering, 2012, vol. 2012, 1-19

Abstract:

This work aims to analyze the stability of the rotational motion of artificial satellites in circular orbit with the influence of gravity gradient torque, using the Andoyer variables. The used method in this paper to analyze stability is the Kovalev-Savchenko theorem. This method requires the reduction of the Hamiltonian in its normal form up to fourth order by means of canonical transformations around equilibrium points. The coefficients of the normal Hamiltonian are indispensable in the study of nonlinear stability of its equilibrium points according to the three established conditions in the theorem. Some physical and orbital data of real satellites were used in the numerical simulations. In comparison with previous work, the results show a greater number of equilibrium points and an optimization in the algorithm to determine the normal form and stability analysis. The results of this paper can directly contribute in maintaining the attitude of artificial satellites.

Date: 2012
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnlmpe:137672

DOI: 10.1155/2012/137672

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