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Title: Deployable large aperture optics system for remote sensing applications.

Abstract

This report summarizes research into effects of electron gun control on piezoelectric polyvinylidene fluoride (PVDF) structures. The experimental apparatus specific to the electron gun control of this structure is detailed, and the equipment developed for the remote examination of the bimorph surface profile is outlined. Experiments conducted to determine the optimum electron beam characteristics for control are summarized. Clearer boundaries on the bimorphs control output capabilities were determined, as was the closed loop response. Further controllability analysis of the bimorph is outlined, and the results are examined. In this research, the bimorph response was tested through a matrix of control inputs of varying current, frequency, and amplitude. Experiments also studied the response to electron gun actuation of piezoelectric bimorph thin film covered with multiple spatial regions of control. Parameter ranges that yielded predictable control under certain circumstances were determined. Research has shown that electron gun control can be used to make macrocontrol and nanocontrol adjustments for PVDF structures. The control response and hysteresis are more linear for a small range of energy levels. Current levels needed for optimum control are established, and the generalized controllability of a PVDF bimorph structure is shown.

Authors:
; ;  [1]; ; ;
  1. University of Kentucky, Lexington, KY
Publication Date:
Research Org.:
Sandia National Laboratories (SNL), Albuquerque, NM, and Livermore, CA (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
918742
Report Number(s):
SAND2004-1267
TRN: US0807323
DOE Contract Number:  
AC04-94AL85000
Resource Type:
Technical Report
Country of Publication:
United States
Language:
English
Subject:
42 ENGINEERING; APERTURES; ELECTRON GUNS; PROCESS CONTROL; ENERGY LEVELS; POLYMERS; HYSTERESIS; OPTICS; REMOTE SENSING; Mirrors-Design and construction.; Electron optics.; Space vehicles-Design and construction.

Citation Formats

Sumali, Anton Hartono, Martin, Jeffrey W, Main, John A, Macke, Benjamin T, Massad, Jordan Elias, and Chaplya, Pavel Mikhail. Deployable large aperture optics system for remote sensing applications.. United States: N. p., 2004. Web. doi:10.2172/918742.
Sumali, Anton Hartono, Martin, Jeffrey W, Main, John A, Macke, Benjamin T, Massad, Jordan Elias, & Chaplya, Pavel Mikhail. Deployable large aperture optics system for remote sensing applications.. United States. https://doi.org/10.2172/918742
Sumali, Anton Hartono, Martin, Jeffrey W, Main, John A, Macke, Benjamin T, Massad, Jordan Elias, and Chaplya, Pavel Mikhail. 2004. "Deployable large aperture optics system for remote sensing applications.". United States. https://doi.org/10.2172/918742. https://www.osti.gov/servlets/purl/918742.
@article{osti_918742,
title = {Deployable large aperture optics system for remote sensing applications.},
author = {Sumali, Anton Hartono and Martin, Jeffrey W and Main, John A and Macke, Benjamin T and Massad, Jordan Elias and Chaplya, Pavel Mikhail},
abstractNote = {This report summarizes research into effects of electron gun control on piezoelectric polyvinylidene fluoride (PVDF) structures. The experimental apparatus specific to the electron gun control of this structure is detailed, and the equipment developed for the remote examination of the bimorph surface profile is outlined. Experiments conducted to determine the optimum electron beam characteristics for control are summarized. Clearer boundaries on the bimorphs control output capabilities were determined, as was the closed loop response. Further controllability analysis of the bimorph is outlined, and the results are examined. In this research, the bimorph response was tested through a matrix of control inputs of varying current, frequency, and amplitude. Experiments also studied the response to electron gun actuation of piezoelectric bimorph thin film covered with multiple spatial regions of control. Parameter ranges that yielded predictable control under certain circumstances were determined. Research has shown that electron gun control can be used to make macrocontrol and nanocontrol adjustments for PVDF structures. The control response and hysteresis are more linear for a small range of energy levels. Current levels needed for optimum control are established, and the generalized controllability of a PVDF bimorph structure is shown.},
doi = {10.2172/918742},
url = {https://www.osti.gov/biblio/918742}, journal = {},
number = ,
volume = ,
place = {United States},
year = {Thu Apr 01 00:00:00 EST 2004},
month = {Thu Apr 01 00:00:00 EST 2004}
}