Thursday, May 27

MS53
Dynamics of Tethered Satellite Systems

10:00 AM-12:00 PM
Room: Superior A

Tethered satellite systems, that is, two or more satellites in orbit connected by thin long cables are a new concept of space exploration with great application potential as has been demonstrated by two NASA Space Shuttle flights. The equations of motion are a set of nonlinear, stiff, coupled partial and ordinary differential equations which pose a number of interesting problems both in their analytical and numerical treatment. The nontrivial mechanical and mathematical modelling of such systems due to their changing mass composition and various aspects concerning the mathematical treatment of the equations of motion such as the occurrence of chaotic motions, stability of relative equilibria, control strategies of deployment/retrieval of a subsatellite from a mothersatellite and efficient integration algorithms will be discussed.

Organizer: Hans Troger
Technical University Vienna, Wien, Austria

10:00-10:25 Modelling and Equations of Motion of Tethered Satellite Systems and Some Simulation Results
Hans Troger, Organizer; and Martin Schagerl, Technical University Vienna, Austria
10:30-10:55 Nonlinear Dynamics of Tethered Satellite Systems
Arun K. Misra and M. S. Nixon, McGill University, Montréal, Canada; and V. J. Modi, University of British Columbia, Vancouver, Canada
11:00-11:25 Relative Equilibria of Tethered Satellite Systems
Martin Krupa, M. Schagerl, A. Steindl, P. Szmolyan, Technical University Vienna, Austria; and Hans Troger, Organizer
11:30-11:55 Numerical Treatment of the Relative Equilibrium Equations
Alois Steindl, Technical University Vienna, Austria

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LMH, 1/11/99, MMD, 2/9/99