Adaptive Control of Truss Structures for Gossamer Spacecraft | Zendy

Bong-Jun Yang | Zendy; Anthony Calise | Zendy; James R. Craig | Zendy; Mark Whorton | Zendy

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Adaptive Control of Truss Structures for Gossamer Spacecraft

Author(s) -

Bong-Jun Yang,

Anthony Calise,

James R. Craig,

Mark Whorton

Publication year - 2007

Publication title -

54th aiaa/asme/asce/ahs/asc structures, structural dynamics, and materials conference

Language(s) - English

Resource type - Conference proceedings

DOI - 10.2514/6.2007-1805

Subject(s) - truss , spacecraft , computer science , adaptive control , aerospace engineering , control (management) , engineering , structural engineering , artificial intelligence

Neural network-based adaptive control is considered for active control of a highly flexible truss structure which may be used to support solar sail membranes. The objective is to suppress unwanted vibrations in SAFE (Solar Array Flight Experiment) boom, a test-bed located at NASA. Compared to previous tests that restrained truss structures in planar motion, full three dimensional motions are tested. Experimental results illustrate the potential of adaptive control in compensating for nonlinear actuation and modeling error, and in rejecting external disturbances.

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