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ID Date Author Type Categoryup Subject Text Attachments
  17230   Mon Nov 7 08:36:10 2022 JCUpdateSUSIMC out of alignment -- f2A failure[Paco, JC]

We came in this morning and noted
the IMC was grossly misaligned, with 
  
  17231   Mon Nov 7 11:24:05 2022 AnchalUpdateSUSF2A filters on MC1, MC2, and MC3 set to test at 1 amThis test was not successfull as IMC lost
lock during the f2A filter trial. However,
we do have 1 hour off data when all f2A filters
 MC3_f2a_failure_analysis.pdfMC3_f2a_Failure_Event.pngMC3_f2aQ3_filters.pdf 
  17232   Mon Nov 7 12:02:15 2022 AnchalUpdateSUSIMC test with PSL shutter closed.Following configurations were kept today
morning:

  
  17234   Mon Nov 7 14:38:59 2022 AnchalUpdateSUSMC3 coil strengths rebalancedI checked again today by sending excitation
at POS and reading back from C1:IOO-MC_TRANS_P
and C1:IOO-MC_TRANS_Y. I found that there
  
  17235   Mon Nov 7 16:14:43 2022 AnchalUpdateSUSF2A filter with Q=1, 0.3 stable with MC3I tired running for a few hours F2A filter
with Q=1 and for maybe 30 min Q=0.3 on MC3
today and that keeps the suspension stable.
  
  17237   Mon Nov 7 19:53:12 2022 AnchalUpdateSUSMC2 OSEMs calibrated using MC_FMC2 OSEM outputs were calibrated today
using MC_F to get the output values in microns.
This was done using
  
  17238   Mon Nov 7 20:00:37 2022 AnchalUpdateSUSMC1 OSEMs output is weirdFollowing up, I tried to do this exercise
with MC1 and MC3. While MC3 shows expected
minute corrections to the previous value,
 MC1_MC_F_OSEM_TF.pdfMC3_MC_F_OSEM_TF.pdf 
  17240   Tue Nov 8 08:57:18 2022 ranaUpdateSUSMC2 OSEMs calibrated using MC_Fthis measurement is not valid because of
the coil to sensor coupling that I mentioned
before. This is why I suggested you make
  
  17241   Tue Nov 8 10:23:42 2022 AnchalUpdateSUSMC3 damping loop step responsesI tuned MC3 local damping gains by looking
at step responses in the DOF bassis. The
same procedure was followed as described
 MC3_Step_Response_Test_2022-11-08_09-48.pdfMC3_Step_Response_Test_2022-11-08_10-19.pdf 
  17242   Tue Nov 8 10:35:26 2022 AnchalUpdateSUSIMC F2A testThis time the test was succesful but I
have reverted MC3 f2a filters back to with
Q=3, 7, and 10. The inital part of the test
 IMC_f2a_test_results.pdf 
  17245   Tue Nov 8 18:12:01 2022 AnchalUpdateSUSMC2 OSEMs calibrated using MC_FI reran this measurement at low frequency
0.1016 Hz. Following were the cts2um gain
changes:
  
  17246   Tue Nov 8 19:39:34 2022 AnchalUpdateSUSMC3 OSEMs calibrated using MC_FI did the same measurement for MC3 with
one difference that OSEMs report 
  
  17248   Wed Nov 9 07:49:59 2022 ranaUpdateSUSMC2 OSEMs calibrated using MC_FIt would be good if you can post the uncertainties
with these measurements (and for generally
any measurements). This is so that we can
  
  17249   Wed Nov 9 11:07:16 2022 AnchalUpdateSUSIMC testFollowing configurations were kept today
morning:

  
  17251   Wed Nov 9 20:01:38 2022 AnchalUpdateSUSMC1 OSEMs output is weirdI took a coil to OSEM transfer function
for MC1 osems  (LL, UR) today and again
the slope of the transfer function was -1.4
 MC1_COIL_to_OSEM_TF.pdfMC3_COIL_to_OSEM_TF.pdfMC1_UR_OSEM_TF.pdf 
  17252   Wed Nov 9 20:29:20 2022 AnchalUpdateSUSMC2 and MC3 set to undergo free swing test tonightI have set a free swing test for MC2 and
MC3 to trigger at 1 am tonight. The test
should last for about 4.5 hrs upto 5:30 am.
  
  17254   Thu Nov 10 18:09:28 2022 ranaUpdateSUSMC WFS settings all weirdToday I found the MC WFS settings all weird.
Not only was the input slider set to zero,
but the filter bank outputs were off, and
 Photo_on_11-10-22_at_6.11_PM.jpg 
  17256   Fri Nov 11 11:29:11 2022 AnchalUpdateSUSMC1 OSEMs output is weirdLate elog; original time Thursday, Nov
10 16:00 2022

MC1 is using a new satellite
 MC1_UR_WhtnBrd_TF.png 
  17259   Fri Nov 11 19:20:23 2022 ranaUpdateSUSMC1 OSEMs output is weirdI
turned on the extra un-whitening filter (not
 secretIMCsecrets.png 
  17260   Fri Nov 11 19:47:04 2022 ranaUpdateSUSMC SUS were overdamped: damping gains all reducedAfter clicking on the extra MC1 unwhitening
filter, I was going to retune the damping
gains to give a Q ~ 5 for the suspension.
  
  17264   Mon Nov 14 14:52:56 2022 PacoConfigurationSUSBHD SUS Coil output balance[JC, Paco]

We installed a steering mirror
intersecting the BHD beam path and put the
 PXL_20221114_224829547~2.jpgScreenshot_2022-11-14_16-07-26_AS1CoilBalancing.pngScreenshot_2022-11-14_16-23-17_AS4CoilBalancing.pngScreenshot_2022-11-14_16-38-16_LO1CoilBalancing.pngScreenshot_2022-11-14_16-54-14_LO2CoilBalancing.png 
  17286   Fri Nov 18 17:00:15 2022 AnchalUpdateSUSMC1 and MC3 OSEMs calibrated using MC_FAfter the MC1 osem dewhitening was fixed,
I did the calibration of MC1 OSEM signals
using MC_F using this notebook.
  
  17289   Sun Nov 20 13:42:21 2022 AnchalUpdateSUSIMC testI repeated this test for the following
configuration:


PSL shutter closed at good
  
  17295   Mon Nov 21 18:33:05 2022 AnchalUpdateSUSMC2 OSEMs calibrated using MC_FRepeated this for MC2 using the error measurement
technique mentioned in 40m/17286
using this notebook.
  
  17298   Tue Nov 22 10:29:31 2022 AnchalSummarySUSITMY Coil Strengths BalancedI followed this
procedure to balance the coil strengths
on ITMY. The position sensor was created
  
  17310   Thu Nov 24 11:23:35 2022 AnchalUpdateSUSLow noise stateI've turned off HEPA fan and all lights
at
PST: 2022-11-24 11:23:59.509949 PST
  
  17313   Fri Nov 25 15:35:23 2022 AnchalUpdateSUSLow noise stateTurned off HEPA at:

PST: 2022-11-25 15:34:55.683645
PST
  
  17331   Sat Dec 3 10:13:56 2022 AnchalUpdateSUSLow noise stateI've turned off HEPA fan and all lights
at:

PST: 2022-12-03 10:13:03.184705
  
  17352   Fri Dec 9 14:18:43 2022 AnchalSummarySUSIMC optics angular actuation calibration at DCAlso reply to: 40m/16125


I migrated the code used
in 40m/16125
 IMC_Ang_Act_Calibration.pdf 
  17357   Tue Dec 13 23:49:17 2022 AnchalUpdateSUSLow noise stateI've turned off HEPA fan and all lights
at:

PST: 2022-12-13 23:49:12.955214
  
  17361   Fri Dec 16 14:52:42 2022 PacoSummarySUSMC1 and MC3 coil dewhitening filters added, location correctedI corrected the filter module location
for 28 Hz ELP filter on MC1 and MC3 coil
output filter banks to FM8 (from FM9). FM9
  
  17364   Fri Dec 16 22:06:55 2022 AnchalUpdateSUSLow noise stateI've turned off HEPA fan and all lights
at:

PST: 2022-12-16 22:06:53.830911
  
  17388   Mon Jan 9 19:41:01 2023 AnchalUpdateSUSNull stream (butterfly/pringle) row added and DQedI updated the suspension model (/cvs/cds/rtcds/userapps/trunk/sus/c1/models/lib/sus_single_control_new.dml)
to add a 5th row in the input matrix so that
we can put in the calculated NULL stream
 SUS_Model_Changes.pngMC1_INMATRIX.png 
  3118   Fri Jun 25 01:28:33 2010 DmassHowToSVNSVN woesI am trying to get an actual complete install
of the 40m svn on my machine. It keeps stopping
at the same point:
  
  3123   Sat Jun 26 05:02:04 2010 ranaHowToSVNSVN woes


   
        
            
  
  3287   Sun Jul 25 18:47:23 2010 AlbertoUpdateSVNOptickle 40mUpgrade model updated to include short cavity length correctionsI uploaded an updated optickle model of
the upgrade to the SVN directory with the
optickle models (here).
  
  7948   Mon Jan 28 19:15:14 2013 ManasaUpdateScatteringScattering setup [Jan, Manasa]
We are trying to get some scattering
measurements in the Y-arm cavity. We have
  
  7962   Wed Jan 30 11:18:31 2013 ManasaUpdateScatteringScattering setup

    

       
            
  
  7971   Thu Jan 31 11:53:31 2013 ManasaUpdateScatteringScattering setup

    

       
            
  
  8072   Tue Feb 12 23:22:14 2013 ManasaUpdateScatteringScattering setup 
 [Jan, Manasa]
We installed a camera at the ETMY
  
  6957   Wed Jul 11 10:17:18 2012 SashaSummarySimulationsSURF - Week 2 and 3 - SummaryThese past two weeks, I've been working
on simulating a basic 
 6x 
  6985   Wed Jul 18 09:53:20 2012 SashaSummarySimulationsSURF - Week 4 - SummaryThis past week, I've been working on moving
forward with the basic cavity
 Screen_Shot_2012-07-18_at_9.50.26_AM.png 
  6990   Wed Jul 18 15:38:05 2012 EricSummarySimulationsSURF UpdateMost of my work has been on continuing to develop the
Simulink model of the differential arm length
  
  7022   Wed Jul 25 10:31:33 2012 SashaSummarySimulationsSURF - Week 5 - SummaryThis week I've been working on refining
my simulation and getting it
 Screen_Shot_2012-07-24_at_10.46.05_AM.pngScreen_Shot_2012-07-24_at_10.45.43_AM.pngScreen_Shot_2012-07-25_at_10.16.58_AM.pngScreen_Shot_2012-07-25_at_10.25.27_AM.png 
  7025   Wed Jul 25 11:34:31 2012 EricSummarySimulationsSURF UpdateI am continuing work on simulating the
DARM control loop. There is now a block for the length response
 DARM_control_loop_hendries.PNGOLG_old_hendries2.png 
  7028   Wed Jul 25 14:35:45 2012 SashaSummarySimulationsSURF - Week 5 - Summary

    

       
            
 Screen_Shot_2012-07-25_at_2.20.01_PM.pngScreen_Shot_2012-07-25_at_2.20.15_PM.pngScreen_Shot_2012-07-25_at_2.20.29_PM.pngScreen_Shot_2012-07-25_at_2.23.05_PM.png 
  7065   Wed Aug 1 10:45:38 2012 SashaSummarySimulationsSURF - Week 6 - SummaryThis week, I worked on transferring my
Simulink
simulation to the RCG
  
  7076   Thu Aug 2 03:06:57 2012 SashaUpdateSimulationsLS Plant (LSP) is officially ONLINEMy ls plant compiled!! The
RCG code can now be found in
 Screenshot-1.png 
  7079   Thu Aug 2 21:40:55 2012 JamieUpdateSimulationsETMX simplant model revivedI revived the ETMX simplant model, c1spx. 
It's running on cpu4 on c1iscex, and interfaces
with C1scx via SHMEM.
  
  7097   Mon Aug 6 20:27:59 2012 JamieUpdateSimulationsMore work on getting simplant models running: c1lsp and c1supI'm trying to get more of the simplant
models running so that we (me and Sasha Surf)
can get a full real-time cavity simplant
  
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