National Radio Astronomy Center

Red Bank, WV, United States

National Radio Astronomy Center

Red Bank, WV, United States

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Ranka T.,Case Western Reserve University | Garcia-Sanz M.,Case Western Reserve University | Weadon T.L.,National Radio Astronomy Center | Ford J.,National Radio Astronomy Center
Proceedings of SPIE - The International Society for Optical Engineering | Year: 2014

To conduct astronomical observations during windy days and increase the time available for exploration with the Green Bank Telescope (GBT) it is necessary to reduce the sensitivity of the telescope structure to wind forces. A promising approach is to design an advanced robust control system for wind induced vibration attenuation. As a first step it is necessary to (1) model analytically the structure and the servo system of the telescope and (2) validate the model through systems identification experiments. This paper presents the results of the identification experiments of the structure and the servo system along with the subsequent interval analysis. © 2014 SPIE.

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