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IOO (IMC)
keiko.kokeyama - 12:00 Tuesday 30 January 2018 (4048) Print this report
Comment to tiltsensor is reinstalled at MCE (4009)

[Park, Cho, Kokeyama, 1/22-26]

Here are photos of the installed tiltsensor at MCE. Both oplev and tiltsensor are installed together in the set of the pylons for dedundancy. As the windshields, just tin foils are covered over the pylons.

There are two spectra attached when MCE PIT or YAW was excited, respectively. Both oplev and tiltsensor calibrations seems OK. As expected, the tiltsensor has better sensitivity above 10 Hz where the oplev signal is limited by the electric noise. In lower frequencies, we don't know why the tiltsensor has higher noise floor. 

The tiltsensor's real time models are running on k1imc0. k1pemimc0 (used for the workshop) was killed as it's not used anymore. The original tiltsensor model have problems where arc tangent cannot be used twice in one model, so two models (k1vistsp and k1vistsy) are running for caliculating PIT and YAW signals separately. We'll keep try to solve this issue. 

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