| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
17230
|
Mon Nov 7 08:36:10 2022 |
JC | Update | SUS | IMC 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 |
Anchal | Update | SUS | F2A filters on MC1, MC2, and MC3 set to test at 1 am | This 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 |
|
|
17232
|
Mon Nov 7 12:02:15 2022 |
Anchal | Update | SUS | IMC test with PSL shutter closed. | Following configurations were kept today
morning:
|
|
|
17234
|
Mon Nov 7 14:38:59 2022 |
Anchal | Update | SUS | MC3 coil strengths rebalanced | I 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 |
Anchal | Update | SUS | F2A filter with Q=1, 0.3 stable with MC3 | I 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 |
Anchal | Update | SUS | MC2 OSEMs calibrated using MC_F | MC2 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 |
Anchal | Update | SUS | MC1 OSEMs output is weird | Following up, I tried to do this exercise
with MC1 and MC3. While MC3 shows expected
minute corrections to the previous value, |
|
|
17240
|
Tue Nov 8 08:57:18 2022 |
rana | Update | SUS | MC2 OSEMs calibrated using MC_F | this 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 |
Anchal | Update | SUS | MC3 damping loop step responses | I tuned MC3 local damping gains by looking
at step responses in the DOF bassis. The
same procedure was followed as described |
|
|
17242
|
Tue Nov 8 10:35:26 2022 |
Anchal | Update | SUS | IMC F2A test | This 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 |
|
|
17245
|
Tue Nov 8 18:12:01 2022 |
Anchal | Update | SUS | MC2 OSEMs calibrated using MC_F | I reran this measurement at low frequency
0.1016 Hz. Following were the cts2um gain
changes: |
|
|
17246
|
Tue Nov 8 19:39:34 2022 |
Anchal | Update | SUS | MC3 OSEMs calibrated using MC_F | I did the same measurement for MC3 with
one difference that OSEMs report |
|
|
17248
|
Wed Nov 9 07:49:59 2022 |
rana | Update | SUS | MC2 OSEMs calibrated using MC_F | It 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 |
Anchal | Update | SUS | IMC test | Following configurations were kept today
morning:
|
|
|
17251
|
Wed Nov 9 20:01:38 2022 |
Anchal | Update | SUS | MC1 OSEMs output is weird | I took a coil to OSEM transfer function
for MC1 osems (LL, UR) today and again
the slope of the transfer function was -1.4 |
|
|
17252
|
Wed Nov 9 20:29:20 2022 |
Anchal | Update | SUS | MC2 and MC3 set to undergo free swing test tonight | I 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 |
rana | Update | SUS | MC WFS settings all weird | Today 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 |
|
|
17256
|
Fri Nov 11 11:29:11 2022 |
Anchal | Update | SUS | MC1 OSEMs output is weird | Late elog; original time Thursday, Nov
10 16:00 2022
MC1 is using a new satellite |
|
|
17259
|
Fri Nov 11 19:20:23 2022 |
rana | Update | SUS | MC1 OSEMs output is weird | I
turned on the extra un-whitening filter (not |
|
|
17260
|
Fri Nov 11 19:47:04 2022 |
rana | Update | SUS | MC SUS were overdamped: damping gains all reduced | After 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 |
Paco | Configuration | SUS | BHD SUS Coil output balance | [JC, Paco]
We installed a steering mirror
intersecting the BHD beam path and put the |
|
|
17286
|
Fri Nov 18 17:00:15 2022 |
Anchal | Update | SUS | MC1 and MC3 OSEMs calibrated using MC_F | After 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 |
Anchal | Update | SUS | IMC test | I repeated this test for the following
configuration:
PSL shutter closed at good |
|
|
17295
|
Mon Nov 21 18:33:05 2022 |
Anchal | Update | SUS | MC2 OSEMs calibrated using MC_F | Repeated this for MC2 using the error measurement
technique mentioned in 40m/17286
using this notebook. |
|
|
17298
|
Tue Nov 22 10:29:31 2022 |
Anchal | Summary | SUS | ITMY Coil Strengths Balanced | I followed this
procedure to balance the coil strengths
on ITMY. The position sensor was created |
|
|
17310
|
Thu Nov 24 11:23:35 2022 |
Anchal | Update | SUS | Low noise state | I'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 |
Anchal | Update | SUS | Low noise state | Turned off HEPA at:
PST: 2022-11-25 15:34:55.683645
PST |
|
|
17331
|
Sat Dec 3 10:13:56 2022 |
Anchal | Update | SUS | Low noise state | I'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 |
Anchal | Summary | SUS | IMC optics angular actuation calibration at DC | Also reply to: 40m/16125
I migrated the code used
in 40m/16125 |
|
|
17357
|
Tue Dec 13 23:49:17 2022 |
Anchal | Update | SUS | Low noise state | I'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 |
Paco | Summary | SUS | MC1 and MC3 coil dewhitening filters added, location corrected | I 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 |
Anchal | Update | SUS | Low noise state | I'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 |
Anchal | Update | SUS | Null stream (butterfly/pringle) row added and DQed | I 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 |
|
|
3118
|
Fri Jun 25 01:28:33 2010 |
Dmass | HowTo | SVN | SVN woes | I 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 |
rana | HowTo | SVN | SVN woes |
|
|
|
3287
|
Sun Jul 25 18:47:23 2010 |
Alberto | Update | SVN | Optickle 40mUpgrade model updated to include short cavity length corrections | I 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 |
Manasa | Update | Scattering | Scattering 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 |
Manasa | Update | Scattering | Scattering setup |
|
|
|
7971
|
Thu Jan 31 11:53:31 2013 |
Manasa | Update | Scattering | Scattering setup |
|
|
|
8072
|
Tue Feb 12 23:22:14 2013 |
Manasa | Update | Scattering | Scattering setup |
[Jan, Manasa]
We installed a camera at the ETMY |
|
|
6957
|
Wed Jul 11 10:17:18 2012 |
Sasha | Summary | Simulations | SURF - Week 2 and 3 - Summary | These past two weeks, I've been working
on simulating a basic |
6x |
|
6985
|
Wed Jul 18 09:53:20 2012 |
Sasha | Summary | Simulations | SURF - Week 4 - Summary | This past week, I've been working on moving
forward with the basic cavity |
|
|
6990
|
Wed Jul 18 15:38:05 2012 |
Eric | Summary | Simulations | SURF Update | Most 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 |
Sasha | Summary | Simulations | SURF - Week 5 - Summary | This week I've been working on refining
my simulation and getting it |
|
|
7025
|
Wed Jul 25 11:34:31 2012 |
Eric | Summary | Simulations | SURF Update | I am continuing work on simulating the
DARM control loop. There is now a block for the length response |
|
|
7028
|
Wed Jul 25 14:35:45 2012 |
Sasha | Summary | Simulations | SURF - Week 5 - Summary |
|
|
|
7065
|
Wed Aug 1 10:45:38 2012 |
Sasha | Summary | Simulations | SURF - Week 6 - Summary | This week, I worked on transferring my
Simulink
simulation to the RCG |
|
|
7076
|
Thu Aug 2 03:06:57 2012 |
Sasha | Update | Simulations | LS Plant (LSP) is officially ONLINE | My ls plant compiled!! The
RCG code can now be found in |
|
|
7079
|
Thu Aug 2 21:40:55 2012 |
Jamie | Update | Simulations | ETMX simplant model revived | I 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 |
Jamie | Update | Simulations | More work on getting simplant models running: c1lsp and c1sup | I'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 |
|