NASA NTRS · 19950070307
Multilayer Active Control For Structural Damping And Optical-Path Regulation
Abstract
Two active-control concepts incorporated into system for suppression of vibrations in truss structure and regulation of length of optical path on structure to nanometer level. Optical-path-length-control subsystem contains two feedback control loops to obtain active damping in wide amplitude-and-frequency range. Concept described in more detail in number of previous articles, including "Stabilizing Optical-Path Length on a Vibrating Structure" (NPO-19040), "Controllable Optical Delay Line for Stellar Interferometry" (NPO-18686), "Test Bed for Control of Optical-Path Lengths" (NPO-18487).
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Rahman, Zahidul H., Spanos, John T., Fanson, James L.. 1995-10-01. Multilayer Active Control For Structural Damping And Optical-Path Regulation. https://ntrs.nasa.gov/citations/19950070307
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