Abstract We use a noncanonical Hamiltonian approach to study the equilibrium attitudes of a rigid satellite with N rotors in a central gravitational field. The relative equilibria of this system of equations represent steady motions of the body as seen in the body frame, and correspond to stationary points of the Hamiltonian constrained by Casimir functions. This approach leads to an algorithm for computing the equilibria, and simultaneously providing direct stability information, since the calculations required to solve the constrained minimization problem are also involved in computing the positive definiteness of the constrained Hamiltonian for use as a Lyapunov function.
Hamiltonian mechanics and relative equilibria of orbiting gyrostats
The Journal of the Astronautical Sciences ; 55 , 1 ; 53-65
2007-03-01
13 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
Hamiltonian Mechanics and Relative Equilibria of Orbiting Gyrostats
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