Hybrid fuzzy sliding mode control for motorised space tether spin-up when coupled with axial and torsional oscillation

Details Hybrid fuzzy sliding mode control for motorised space tether spin-up when coupled with axial and torsional oscillation Hybrid fuzzy sliding mode control for motorised space tether spin-up when coupled with axial and torsional oscillation

Mar 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010ap%26ss.326..105c&link_type=abstract

Astrophysics and Space Science, Volume 326, Issue 1, pp.105-118

Astronomy and Astrophysics

Astrophysics

Fuzzy Control, Sliding Mode Control, Skyhook Damper, Fuzzy Sliding Mode Control, Space Tether

Scientific paper

A specialised hybrid controller is applied to the control of a motorised space tether spin-up space coupled with an axial and a torsional oscillation phenomenon. A seven-degree-of-freedom (7-DOF) dynamic model of a motorised momentum exchange tether is used as the basis for interplanetary payload exchange in the context of control. The tether comprises a symmetrical double payload configuration, with an outrigger counter inertia and massive central facility. It is shown that including axial and torsional elasticity permits an enhanced level of performance prediction accuracy and a useful departure from the usual rigid body representations, particularly for accurate payload positioning at strategic points. A simulation with given initial condition data has been devised in a connecting programme between control code written in MATLAB and dynamics simulation code constructed within MATHEMATICA. It is shown that there is an enhanced level of spin-up control for the 7-DOF motorised momentum exchange tether system using the specialised hybrid controller.

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