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Reports until 12:12, Thursday 23 October 2025
H1 SUS (SUS)
edgard.bonilla@LIGO.ORG - posted 12:12, Thursday 23 October 2025 - last comment - 16:42, Thursday 23 October 2025(87689)
SR3/PR3 estimator filter error

Following up on [LHO: 87659], we found an error on the file that transfers the SR3/PR3 OSEM estimator fits posted in [LHO: 87612 LHO: 87593] into foton. Maybe this error explains the 0.67 Hz ringing that we had with the estimator ON.

The make_PR3_estimator_LP.m file was jamming the ISI fits into the M1 drive model. This was a copy-paste type error that I have resolved by now. The corrected code was committed to the SVN under revision 12752.

Next update I will make these pieces of code that commission the estimator less hardcoded to hopefully avoid repeating this mistake in the future.

 

Comments related to this report
oli.patane@LIGO.ORG - 16:42, Thursday 23 October 2025 (87705)

These filters have been updated in both PR3 and SR3. The estimator is still off though!

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