Correcting encoder interpolation error on the Green Bank Telescope using an iterative model based identification algorithm

Author:

Franke Timothy1,Weadon Tim2,Ford John2,Garcia-Sanz Mario1

Affiliation:

1. Case Western Reserve University, Electrical Engineering and Computer Science Department, 10900 Euclid Avenue, Cleveland, Ohio 44106, United States

2. National Radio Astronomy Observatory, P.O. Box 2, Green Bank, West Virginia 24944, United States

Publisher

SPIE-Intl Soc Optical Eng

Subject

Space and Planetary Science,Mechanical Engineering,Astronomy and Astrophysics,Instrumentation,Control and Systems Engineering,Electronic, Optical and Magnetic Materials

Reference15 articles.

1. Tracking performance of the GBT;Prestage,2011

2. Resonances found in the GBT servo system point to the motors;Weadon,2009

3. An innovative method to increase the resolution of optical encoders in motion servo systems;Cheung,1999

4. Determination and correction of quadrature fringe measurement errors in interferometers

5. Encoder system design: strategies for error compensation

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