A 'Kane's dynamics' model for the active rack isolation system. Part 3: addition of umbilicals to the non-linear model Online publication date: Thu, 21-May-2009
by R. David Hampton, Jason K. Rupert, Geoffrey S. Beech, Nagendra N. Subba Rao, Young K. Kim
International Journal of Vehicle Systems Modelling and Testing (IJVSMT), Vol. 3, No. 4, 2008
Abstract: Boeing's Active Rack Isolation System (ARIS) isolates space-science experiments on the International Space Station against station-induced disturbances, at the rack-level. Part 1 of this documentation presented a linearised model of ARIS, hand-developed via Kane's method. Part 2 reported the use of software packages to develop and verify a corresponding nonlinear model, without umbilicals. Part 3, below, reports on: umbilical addition to the nonlinear model; model verification against simple truth models. Verification checks against truth models indicate that the proposed nonlinear model, when properly calibrated against experimental data, offers a high-fidelity representation of ARIS for simulation and controller-design purposes.
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