40m QIL Cryo_Lab CTN SUS_Lab TCS_Lab OMC_Lab CRIME_Lab FEA ENG_Labs OptContFac Mariner WBEEShop
  40m Log, Page 75 of 344  Not logged in ELOG logo
ID Date Author Typedown Category Subject Text Attachments
  5527   Thu Sep 22 23:10:07 2011 SureshUpdateIOOproposed modifications to the C1IOO modelRana advised that we put in a lockin-output
matrix which will allow us to excite any
combination of MC mirrors so that we can
  
  5529   Fri Sep 23 16:25:01 2011 steveUpdateVACvac rack UPS battery replacedAPC Smart -UPS 2200   model: SUA2200RM2U
  batteries were replaced by compatible
RBC43, 8x  12V5A
 P1080252.JPGP1080254.JPG 
  5530   Fri Sep 23 16:56:07 2011 MirkoUpdateLSCDesired MC modulation frequency measurement, tuning of modulation frequency[ Mirko, Koji, Suresh ]
Looked into the modulation frequency
that should pass the input MC. With a locked
  
  5531   Fri Sep 23 17:31:14 2011 KatrinUpdateGreen LockingStray light reduction (Y)I inserted several beam blocks and iris
on the Y arm Green table. There was/is lots
of stray light because a lot of the mirrors
  
  5532   Fri Sep 23 17:57:34 2011 PaulUpdateSUSOplev filter optimization for 2 poles and 2 zerosI have made a function to optimise
the overall gain, pole frequencies and zero
frequencies for the oplev filter. The script
 optimised2p2z_v1.pngoptimised2p2z_v1_TFs.png 
  5533   Fri Sep 23 18:00:54 2011 SureshUpdateIOOPSL beam realigned to MCI noticed that the beam centering on the
WFS had changed over night and the MC_TRANS_SUM
was about 40k counts.  When well aligned
 trend.png 
  5534   Sat Sep 24 01:21:11 2011 kiwamuUpdateSUSdamping test    
  5535   Sat Sep 24 01:38:14 2011 kiwamuUpdateCDSc1scx and c1x01 restarted[Koji / Kiwamu]
 The c1scx and c1x01 realtime
processes became frozen. We restarted them
  
  5536   Sat Sep 24 01:51:02 2011 ranaUpdateSUSOplev filter optimization for 2 poles and 2 zeros


   
        
            
  
  5537   Sat Sep 24 02:09:43 2011 kiwamuUpdateSUSRe:Oplev filter optimization for 2 poles and 2 zerosGood work for the oplev noise simulations.
Here are some comments/questions:
 (A) The noise looks suppressed
  
  5538   Sat Sep 24 09:55:42 2011 KeikoUpdateIOOAM modulation misteryFrom the night day before yesterday (Sep
22nd, Thursday night. Sorry for my late update),
there
  
  5539   Sat Sep 24 17:12:54 2011 KojiUpdateLSCRealignment of REFL / Some 3f PRMI locking / Recycling Gain[Koji Suresh]
Activity on Friday evening
  
  5540   Sat Sep 24 17:45:56 2011 PaulUpdateSUSRe:Oplev filter optimization for 2 poles and 2 zeros

    

       
            
  
  5541   Sat Sep 24 20:14:36 2011 KojiUpdateLSCRough estimation of the PR gain 
POXDC (i.e. POY DCout) 
PRM misaligned: 70cnt
  
  5542   Mon Sep 26 11:35:44 2011 steveUpdateCamerasarms cameras upgradedThe arm's CCD cameras were reset as picture
shows last week.
The height adjustment only works
 P1080251.JPG 
  5543   Mon Sep 26 12:41:27 2011 kiwamuUpdateASCC1ASS : status update

    

       
            
  
  5544   Mon Sep 26 14:21:07 2011 kiwamuUpdateSUSITMX ULSEN shows jumps

    
        
 ITMXspectra.pngITMX-sensors.png 
  5545   Mon Sep 26 15:15:45 2011 AnamariaUpdateLSCRealignment of REFL / Some 3f PRMI locking / Recycling GainA few comments on REFL table alignment
and REFL165.
Last time we realigned the table
  
  5546   Mon Sep 26 15:54:46 2011 kiwamuUpdateSUSITMX ULSEN shows jumpsCurrently the damping
of the ITMX suspension is intentionally disabled
  
  5547   Mon Sep 26 16:42:08 2011 kiwamuUpdateSUSITMX ULSEN : fixedThe
issue on the ITMX UL sensor has been fixed.
 connection.pngITMXsensors.png 
  5548   Mon Sep 26 17:49:21 2011 JenneUpdateComputersWe now have BURT restore for slow channelsKoji and Suresh found that there have not been any autoburt snapshots   
  5549   Mon Sep 26 17:49:51 2011 KojiUpdatePSLc1psl [Koji Suresh]
c1psl has got frozen during our ezcaread/write
business. 
  
  5550   Mon Sep 26 18:59:11 2011 JenneUpdateAdaptive FilteringPlan for making MC_F


   
        
            
  
  5551   Mon Sep 26 20:04:03 2011 KojiUpdatePSLMC lock has been recovered[Kiwamu Suresh Koji]
Some main parameters of the PSL has
been recovered using Dataviewer and some
 snapshot1.pngsnapshot2.pngsnapshot3.png 
  5552   Mon Sep 26 22:40:41 2011 JenneUpdateComputersWe now have BURT restore for slow channels[Jenne, Koji]

After much Perl-learning and a few iterations,
  
  5553   Tue Sep 27 04:13:22 2011 kiwamuUpdateLSCtonight's locking activityThe lock of PRMI wasn't so robust although
it could stay locked for more than 10 minutes.
 PRMI.png 
  5554   Tue Sep 27 08:51:29 2011 PaulUpdateSUSOplev filter optimization for 2 poles and 2 zeros

    

       
            
  
  5555   Tue Sep 27 09:47:52 2011 SureshUpdateAdaptive FilteringPlan for making MC_F


   
        
            
  
  5556   Tue Sep 27 11:43:59 2011 JenneUpdateelogElog has been dying a lot lately...WTF?   
  5557   Tue Sep 27 11:52:33 2011 JenneUpdateAdaptive FilteringPlan for making MC_F

    
        
  
  5558   Tue Sep 27 15:33:03 2011 JenneUpdateComputersMaking models, wreaking havoc[Jenne, Mirko, Den]
We have entered into an adventure
in model compiling.  What follows is
  
  5559   Tue Sep 27 20:02:19 2011 KojiUpdateSUSWatchdog rearmedI came to the control room and found the
PMC and IMC were unlocked. ==> Relocked
I found the watch dogs of the vertex
  
  5560   Wed Sep 28 00:06:21 2011 JenneUpdateSUSWatchdog rearmed

    

       
            
  
  5561   Wed Sep 28 02:42:04 2011 kiwamuUpdateCDSsome DAQ channel lost in c1sus : fb, c1sus and c1pem restartedSomehow
some DAQ channels for C1SUS have disappeared
from the DAQ channel list.
  
  5562   Wed Sep 28 07:36:41 2011 steveUpdateSUSITMY damping restoredITMY suspention damping restored   
  5563   Wed Sep 28 07:46:42 2011 steveUpdateSUSDsub connections at the back of 1X5 are fixed 
 I'm turning  the sus damping 
off for Dsub connection fix at  the
  
  5564   Wed Sep 28 13:30:01 2011 JenneUpdatePSLPMC was unlockedRelocked the PMC.  MC came back immediately.   
  5565   Wed Sep 28 14:15:40 2011 JenneUpdateComputersEdits to c1pem, c1oaf[Mirko, Jenne]
Mirko edited c1pem to have some new
BLRMS channels.
  
  5566   Wed Sep 28 15:33:58 2011 SureshUpdateComputer Scripts / Programsediting database files for medm screens and restarting the slow c1psl machineI changed the names on a switch(SW1) in
the C1:PSL-FSS screen.  To do this I
had to edit the psl.db database file in the
  
  5567   Wed Sep 28 18:39:50 2011 MirkoUpdatePEMBLRM seismic channels in c1pem[Mirko,Jenne]
Created 5-band BLRMS for seismometer
data (Gur1, Gur2 and STS1 each in x,y,z respectively)
  
  5568   Wed Sep 28 21:23:23 2011 MirkoUpdateComputersISCY FE network card / cable not ok[Mirko,Jenne]
We discovered that the left network
cable is not rigidly connected to the back
  
  5569   Wed Sep 28 21:28:34 2011 MirkoUpdateComputersTorturing control computers. Fine again now[Mirko, Jenne]
We tried to run an extended version
of Matt's LMS adaptive filter c-code. We
  
  5571   Wed Sep 28 22:25:25 2011 JenneUpdateComputersTorturing control computers. Fine again now


   
        
            
  
  5572   Wed Sep 28 22:30:01 2011 JenneUpdateAdaptive FilteringOAF is disabledI am leaving the
OAF disabled, so there should be nothing
  
  5573   Thu Sep 29 00:16:35 2011 DenUpdateComputersSegmentation fault fixed.The OAF c-code crashed because of the segmentation
fault. We've created arrays of static variables
  
  5574   Thu Sep 29 03:43:20 2011 kiwamuUpdateASCwrong channel assignment on IPPOSThe
channels for IPPOS had been assigned in a
wrong way.
  
  5575   Thu Sep 29 11:25:55 2011 JenneUpdateAdaptive FilteringTried new c-code, Fail.[Mirko, Jenne]
Mirko edited the c-code to use Den's
stuff that he put in the elog last night. 
  
  5576   Thu Sep 29 12:56:27 2011 JenneUpdateAdaptive FilteringMeditations on the OAF[Mirko, Den, Jenne]
We're modifying the c1oaf model,
and we got to talking about the "Fx"
  
  5577   Thu Sep 29 20:37:12 2011 MirkoUpdateComputersNew c1oaf c-code: Breaking in new way[Mirko, Jenne]
Programmed a new implementation of
the LMS in C. Compiles fine in gcc. The full
 ADAPT_XFCODE11-09-29---20-12.c 
  5578   Fri Sep 30 01:18:39 2011 kiwamuUpdateASCC1ASS : status updateNow
the C1ASS servos are working fine.
However
  
ELOG V3.1.3-