Magnetically damped vibration isolation system for a space shuttle payload

Details Magnetically damped vibration isolation system for a space shuttle payload Magnetically damped vibration isolation system for a space shuttle payload

May 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996spie.2720..272k&link_type=abstract

Proc. SPIE Vol. 2720, p. 272-280, Smart Structures and Materials 1996: Passive Damping and Isolation, Conor D. Johnson; Ed.

Physics

Scientific paper

A new vibration isolation system for a Space Shuttle payload is described. Designed for a large optical instrument to be launched aboard the next Hubble Telescope servicing mission, the system uses a set of eight telescoping struts to mount the payload to a shuttle pallet. Each strut is a combination of a titanium coil spring and a passive damper. The latter dissipates energy through eddy currents induced in a conductor moving in a dc magnetic field. The result is a simple, robust, all-metal isolation mount that is linear over a long stroke, relatively insensitive to temperature, and contains no fluids. Design of the system is described and strut- level test results are given along with predictions for system-level isolation under flight loads.

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