A 'Kane's Dynamics' model for the Active Rack Isolation System. Part 2: non-linear model development, verification and simplification
by R. David Hampton, Geoffrey S. Beech, Nagendra N. Subba Rao, Jason K. Rupert, Young K. Kim
International Journal of Vehicle Systems Modelling and Testing (IJVSMT), Vol. 2, No. 3, 2007

Abstract: Boeing's Active Rack Isolation System (ARIS) isolates microgravity space-science experiments on the International Space Station (ISS) against station-induced disturbances, at the level of the International Standard Payload Rack (ISPR). Part 1 of this documentation presented a linearised model of ARIS, hand-developed via Kane's method. Part 2, below, reports the use of software packages to develop and verify a corresponding non-linear model, without umbilicals. The model is first verified against a 'truth' model, then linearised to match the model of Part 1, and finally simplified using reasonable negligible-inertia assumptions. The resulting models all show nearly identical, and physically reasonable, dynamical responses.

Online publication date: Tue, 11-Dec-2007

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