| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
13239
|
Tue Aug 22 15:17:19 2017 |
ericq | Update | Computers | Old frames accessible again | It turns out the problem was just a bent
pin on the SCSI cable, likely from having
to stretch things a bit to reach optimus |
|
|
13240
|
Tue Aug 22 15:40:06 2017 |
gautam | Update | Computers | Old frames accessible again | [jamie, gautam]
I had some trouble getting the
daqd processes up and running again using |
|
|
13241
|
Tue Aug 22 16:56:54 2017 |
johannes | Summary | General | AS laser existing components inventory | I surveyed the lab today to see what we
may need to buy for the AS laser setup.
We |
|
|
13242
|
Tue Aug 22 17:11:15 2017 |
gautam | Update | Computers | c1iscex model restarts | [jamie, gautam]
We tried to implement the fix
that Rolf suggested in order to solve (perhaps |
|
|
13243
|
Tue Aug 22 18:36:46 2017 |
gautam | Update | Computers | All FE models compiled against RCG3.4 | After getting the go ahead from Jamie,
I recompiled all the FE models against the
same version of RCG that we tested on the |
|
|
13244
|
Tue Aug 22 23:27:14 2017 |
rana | Update | ALS | ALS OLTFs | Didn't someone look at what the OLG
req. should be for these servos at some point?
I wonder if we can make a parallel digital |
|
|
13245
|
Wed Aug 23 10:11:46 2017 |
Steve | Update | VAC | vacuum valve specifications | The V1
gate valve specs installed at 40m wiki
page. VAT model number 10846-UE44-0007 Our |
|
|
13246
|
Wed Aug 23 17:22:36 2017 |
gautam | Update | ALS | Fiber ALS - reinstalled | I completed the revamp of the box, and
re-installed the box on the PSL table today.
I think it would be ideal to install this |
|
|
13248
|
Thu Aug 24 00:39:47 2017 |
gautam | Update | LSC | DRMI locking attempt | Since the single arm locking and dither
alignment seemed to work alright after the
CDS overhaul, I decided to try some recycling |
|
|
13249
|
Thu Aug 24 17:36:11 2017 |
gautam | Update | CDS | FSS Slow Python maintenance | A couple of weeks ago, I was trying to
modernize the python version of the FSS Slow
temperature control loops, when I accidentally |
|
|
13250
|
Thu Aug 24 18:02:16 2017 |
Gabriele | Summary | LSC | First cavity length reconstruction with a neural network | 1) Introduction
In brief, I
trained a deep neural network (DNN) to recosntuct
the cavity length, using as input only the |
8x |
|
13251
|
Thu Aug 24 18:51:57 2017 |
Koji | Summary | LSC | First cavity length reconstruction with a neural network | Phenomenal!
|
|
|
13252
|
Fri Aug 25 01:20:52 2017 |
gautam | Update | LSC | DRMI locking attempt | I tried some DRMI |
|
|
13253
|
Fri Aug 25 11:11:26 2017 |
gautam | Update | General | MC1 kicked again | Looks like MC1 got another big kick just
under 4 hours ago. None of the other optics
show any evidence of a glitch so it seems |
|
|
13254
|
Fri Aug 25 15:54:14 2017 |
gautam | Update | ALS | Fiber ALS noise measurement | [Kira, gautam]
Attachment #1 - Photo
of the revamped beat setup. The top panel |
|
|
13255
|
Fri Aug 25 17:11:07 2017 |
rana | Update | ALS | Fiber ALS noise measurement | Is it better to mount the box in the PSL
under the existing shelf, or in a nearby
PSL rack? |
|
|
13256
|
Sat Aug 26 09:56:34 2017 |
Gabriele | Summary | LSC | First cavity length reconstruction with a neural network | Update
I included the 55 MHz
sideband and higher order modes in my
training examples. To keep things simple, |
|
|
13257
|
Sun Aug 27 11:57:31 2017 |
rana | Update | ALS | Fiber ALS noise measurement | It seems like the main contribution to
the RMS comes from the high frequency bump.
When using the ALS loop to lock the arm to |
|
|
13258
|
Mon Aug 28 08:47:32 2017 |
Jamie | Summary | LSC | First cavity length reconstruction with a neural network |
|
|
|
13260
|
Mon Aug 28 10:28:07 2017 |
Steve | Update | VAC | RGA scan 20 day after 17 Torr | The RGA was turned on 7 days ago.
It's 46 C now. The X-arm room
tem ~20 C |
|
|
13261
|
Mon Aug 28 10:51:21 2017 |
steve | Update | SUS | ETMX damping recovered | |
|
|
13262
|
Mon Aug 28 16:20:00 2017 |
gautam | Update | CDS | 40m files backup situation | This elog is meant
to summarize the current backup situation |
|
|
13263
|
Mon Aug 28 17:13:57 2017 |
ericq | Update | CDS | 40m files backup situation | In addition to bootable full disk backups,
it would be wise to make sure the important
service configuration files from each machine |
|
|
13264
|
Mon Aug 28 23:22:56 2017 |
johannes | Update | PSL | PSL table auxiliary NPRO | I moved the axuiliary NPRO to the PSL table
today and started setting up the optics.
The Faraday Isolator was showing |
|
|
13265
|
Tue Aug 29 01:52:22 2017 |
gautam | Update | SUS | Test mass actuator calibration | [ericq, gautam]
Tonight, |
|
|
13266
|
Tue Aug 29 02:08:39 2017 |
gautam | Update | ALS | Fiber ALS noise measurement | I was having a chat with EricQ about this
today, just noting some points from our discussion
down here so that I remember to look into |
|
|
13267
|
Tue Aug 29 15:04:59 2017 |
gautam | Update | SUS | ETMY Oplev PIT loop gain changed | Last night, while we were working on the
ALS, I noticed the GTRY spot moving around
(in PITCH) on the CCD monitor in the control |
|
|
13268
|
Tue Aug 29 15:35:19 2017 |
Steve | Update | VAC | vacuum pump specifications & manuals | RP1 and RP3 roughing pump manual of
Leybold D30A oily rotory pump
Fore pump of |
|
|
13269
|
Tue Aug 29 15:41:17 2017 |
Kira | Summary | PEM | heater circuit | I worked with Kevin and Gautam to create
a heater circuit. The first attachment is
Kevin's schematic of the circuit. The |
|
|
13270
|
Tue Aug 29 20:04:09 2017 |
rana | Update | PSL | PSL table auxiliary NPRO | I don't understand why the 1st order
diffracted beam doesn't go to zero when
you shut off the drive. My guess is that |
|
|
13271
|
Tue Aug 29 21:36:59 2017 |
johannes | Update | PSL | PSL table auxiliary NPRO |
|
|
|
13272
|
Wed Aug 30 06:45:32 2017 |
Kevin | Summary | PEM | New Heater Circuit | I changed the heater circuit described
in this
elog to a current sink. The new and old |
|
|
13273
|
Wed Aug 30 10:54:26 2017 |
gautam | Update | CDS | slow machine bootfest | MC autolocker and FSS loops were stuck
because c1psl |
|
|
13274
|
Wed Aug 30 11:04:08 2017 |
Gabriele | Summary | LSC | First look at neural network reconstruction of PRMI motion | Introduction
I trained a deep
neural network (DNN) to reconstruct MICH
and PRCL degrees of freedom in the PRMI configuration. |
|
|
13275
|
Wed Aug 30 15:00:06 2017 |
gautam | Update | General | Edgeswitch fiber swap | A couple of minutes ago, Larry W swapped
the fibers to our 40m Edgeswitch (BROCADE
FWS 648G) to a faster connection. This is |
|
|
13276
|
Wed Aug 30 19:49:33 2017 |
gautam | Update | LSC | REFL55 demod board debugging | Summary:
Today
I tried debugging the mysterious increase
in REFL55 signal levels in the DRMI configuration. |
|
|
13277
|
Wed Aug 30 22:15:47 2017 |
rana | Omnistructure | Computers | USB flash drives moved | I have moved the USB
flash |
|
|
13278
|
Thu Aug 31 00:19:35 2017 |
rana[^r] | Update | PSL | IMC/FSS FAST gain | nominal changed from 22 to 23 dB to minimize
PC drive RMS
|
|
|
13279
|
Thu Aug 31 00:46:57 2017 |
rana | Summary | CDS | allegra -> Scientific Linux 7.3 | I made a
'LiveCD' on a 16 GB USB stick using
this command after the GUIs didn't work |
|
|
13280
|
Thu Aug 31 00:52:52 2017 |
gautam | Update | LSC | REFL55 whitening board debugging | [rana,gautam] |
|
|
13281
|
Thu Aug 31 03:31:15 2017 |
gautam | Update | LSC | DRMI re-locked! | After our Demod/Whitening electronics investigations
suggested nothing obviously wrong, I decided
to give DRMI locking another go tonight. |
|
|
13282
|
Thu Aug 31 18:36:23 2017 |
gautam | Update | CDS | revisiting Acromag | Current
status:
There
is a single Acromag ADC unit installed in |
|
|
13283
|
Thu Aug 31 21:40:24 2017 |
gautam | Update | General | MC1 kicked again | There was a pretty large glitch in MC1
about an hour ago. The misalignment was so
large that the autolocker wasn't able |
|
|
13284
|
Fri Sep 1 08:25:08 2017 |
Steve | Update | SUS | MC1 glitching | MC1, MC2 and MC3 damping turned off to
see glitching action at 9:57am
|
|
|
13285
|
Fri Sep 1 15:46:12 2017 |
Kira | Update | PEM | temp sensor update | I took off the AD590 and attached it to
two long wires leading out from the board.
This will allow us to attach the sensor to |
|
|
13286
|
Fri Sep 1 16:27:39 2017 |
gautam | Update | SUS | MC1 glitching | I re-enabled the MC SUS damping and IMC
locking for some IFO work just now.
|
|
|
13287
|
Fri Sep 1 16:55:27 2017 |
gautam | Update | Computers | Testpoints now accessible again | Thanks to |
|
|
13288
|
Fri Sep 1 19:15:40 2017 |
gautam | Update | ALS | Fiber ALS noise measurement | Summary:
I
did some work today to see if I could use |
|
|
13289
|
Mon Sep 4 16:30:06 2017 |
gautam | Update | LSC | Oplev loop tweaking | Now that the DRMI locking seems to be repeatable
again, I want to see if I can improve the
measured MICH noise. Recall |
|
|
13290
|
Mon Sep 4 18:18:29 2017 |
rana | Update | LSC | dewhite switching: FOTON settings | not immediately necessary, since you have
already got it sort of working, but one of
these days we should optimize this for real. |
|