Vibratory response of a mirror support/positioning system for the Advanced Photon Source project at Argonne National Laboratory

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The vibratory response of a typical mirror support/positioning system used at the experimental station of the Advanced Photon Source (APS) project at Argonne National Laboratory is investigated. Positioning precision and stability are especially critical when the supported mirror directs a high-intensity beam aimed at a distant target. Stability may be compromised by low level, low frequency seismic and facility-originated vibrations traveling through the ground and/or vibrations caused by flow-structure interactions in the mirror cooling system. The example case system has five positioning degrees of freedom through the use of precision actuators and rotary and linear bearings. These linkage devices result ... continued below

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14 p.

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Basdogan, I.; Shu, Deming; Kuzay, T.M.; Royston, T.J. & Shabana, A.A. August 1, 1996.

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Description

The vibratory response of a typical mirror support/positioning system used at the experimental station of the Advanced Photon Source (APS) project at Argonne National Laboratory is investigated. Positioning precision and stability are especially critical when the supported mirror directs a high-intensity beam aimed at a distant target. Stability may be compromised by low level, low frequency seismic and facility-originated vibrations traveling through the ground and/or vibrations caused by flow-structure interactions in the mirror cooling system. The example case system has five positioning degrees of freedom through the use of precision actuators and rotary and linear bearings. These linkage devices result in complex, multi-dimensional vibratory behavior that is a function of the range of positioning configurations. A rigorous multibody dynamical approach is used for the development of the system equations. Initial results of the study, including estimates of natural frequencies and mode shapes, as well as limited parametric design studies, are presented. While the results reported here are for a particular system, the developed vibratory analysis approach is applicable to the wide range of high-precision optical positioning systems encountered at the APS and at other comparable facilities.

Physical Description

14 p.

Notes

INIS; OSTI as DE96013604

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  • Denver `96: 1. conference on space processing of materials, at SPIE International Society for Optical Engineering (SPIE) annual international symposium on optical science, engineering, and instrumentation, Denver, CO (United States), 4-9 Aug 1996

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  • Other: DE96013604
  • Report No.: ANL/XFD/CP--90675
  • Report No.: CONF-960848--6
  • Grant Number: W-31109-ENG-38
  • Office of Scientific & Technical Information Report Number: 379071
  • Archival Resource Key: ark:/67531/metadc688300

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  • August 1, 1996

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  • July 25, 2015, 2:20 a.m.

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  • Dec. 14, 2015, 6:56 p.m.

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Basdogan, I.; Shu, Deming; Kuzay, T.M.; Royston, T.J. & Shabana, A.A. Vibratory response of a mirror support/positioning system for the Advanced Photon Source project at Argonne National Laboratory, article, August 1, 1996; Illinois. (digital.library.unt.edu/ark:/67531/metadc688300/: accessed August 17, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.