| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
10744
|
Mon Dec 1 20:12:52 2014 |
ericq | Update | Modern Control | Rebirth of CESAR / ESCOBAR | I've uploaded a note at T1400735 about |
|
|
10754
|
Thu Dec 4 02:59:05 2014 |
ericq | Update | LSC | Bump in Darm Plant | [J,Q]
After some housekeeping (ASS is wonky,
alignment of X green beat was bad, tuning |
|
|
10783
|
Thu Dec 11 17:45:54 2014 |
ericq | Update | Computer Scripts / Programs | Lockloss plotting | With some advice from Jamie, I've
gotten the lock loss plotting script that
is used at LHO working on our machines. The |
|
|
10784
|
Thu Dec 11 18:00:43 2014 |
ericq | Update | Computer Scripts / Programs | MC error signal monitoring | The other day, I hooked up the agilent
analyzer to OUT2 of the MC board, which is
currently set to output the MC refl error |
|
|
10785
|
Thu Dec 11 18:12:46 2014 |
ericq | Update | LSC | (Fixed) Y end whitening board |
|
|
|
10796
|
Sat Dec 13 14:26:36 2014 |
ericq | Update | LSC | Mismatched gains on ETMY Transmon QPD | Yesterday, we were seeing anomalously high
low frequency RIN in the y-arm (rms of 4%
or so). I swung by the lab briefly to check |
|
|
10797
|
Mon Dec 15 12:53:13 2014 |
ericq | Update | Computer Scripts / Programs | Status of the new nodus | Nodus
(solaris) is dead, long live Nodus (ubuntu). |
|
|
10809
|
Wed Dec 17 13:14:38 2014 |
ericq | Update | LSC | PRMI loops need help |
|
|
|
10811
|
Wed Dec 17 18:14:36 2014 |
ericq | Update | ASC | Transmon QPD -> ASC servos ready for comissioning | I have completed all of the model
modifications and medm screen updates to
allow for feedback from the transmon QPD |
|
|
10814
|
Thu Dec 18 02:23:34 2014 |
ericq | Update | LSC | Locking update | [ericq, Diego]
Some locking efforts tonight; many
locklosses due to PRC angular motion. Furthest |
|
|
10815
|
Thu Dec 18 15:41:30 2014 |
ericq | Update | Computer Scripts / Programs | Offsite backups of /cvs/cds going again | Since the Nodus switch, the offsite backup
scripts (scripts/backup/rsync.backup) had
not been running successfully. I tracked |
|
|
10816
|
Thu Dec 18 16:21:08 2014 |
ericq | Update | Computer Scripts / Programs | scripts not being backed up! | I just stumbled upon this while poking
around:
Since the great crash of June 2014, |
|
|
10819
|
Fri Dec 19 16:39:25 2014 |
ericq | Update | Computer Scripts / Programs | elog autostart | I've set up nodus to start the ELOG on
boot, through /etc/init/elog.conf.
Also, thanks to this, we don't need to use |
|
|
10820
|
Fri Dec 19 16:59:32 2014 |
ericq | Update | Computer Scripts / Programs | FSS Slow servo moved to megatron | Given that op340m showed some undesired
behavior, and that the FSS slow seems prone
to railing lately, I've moved the FSS slow |
|
|
10825
|
Sat Dec 20 00:00:03 2014 |
ericq | Update | Computer Scripts / Programs | FSS Slow servo moved to megatron | I ssh'd in, and was able to run each script
manually successfully. I ran the initctl
commands, and they started up fine too. |
|
|
10830
|
Mon Dec 22 16:21:15 2014 |
ericq | Update | elog | Strange ELOG search | In order to fix ELOG search, I have started
running ELOG v2.9.2 on Nodus.
Sadly, |
|
|
10835
|
Tue Dec 23 14:27:16 2014 |
ericq | Update | CDS | Chiara moved to UPS | Steve and I switched chiara over
to the UPS we bought for it, after ensuring
the vacuum system was in a safe state. Everything |
|
|
10836
|
Tue Dec 23 14:30:11 2014 |
ericq | Update | CDS | Chiara moved to UPS |
|
|
|
10839
|
Tue Dec 23 16:49:32 2014 |
ericq | Update | elog | Strange ELOG search | So, despite having registered users,
it turns out that the "Author"
field is still open for editing when making |
|
|
10852
|
Mon Jan 5 12:42:09 2015 |
ericq | Update | SUS | BS misbehaving | The BS was showing some excess motion.
I think I've fixed it. Order of operations:
The DC PIT bias from previous |
|
|
10855
|
Mon Jan 5 23:36:47 2015 |
ericq | Update | IOO | AO cable reconnected |
|
|
|
10857
|
Tue Jan 6 03:13:09 2015 |
ericq | Update | LSC | PRFPMI status & IFO status | Two plots from tonight:
Lock loss. Based on the fact that
it looked like the DARM servo was running |
|
|
10864
|
Wed Jan 7 09:44:33 2015 |
ericq | Update | LSC | DARM phase budget | As Jenne mentioned, I created a model of
the DARM OLG to see why we have so little
phase margin. However, it turns out I |
|
|
10875
|
Thu Jan 8 02:52:09 2015 |
ericq | Update | LSC | UGF Servo for LSC | I added UGF servos for the DRMI DoFs, after
creating a library block for the servos.
I also deleted the FMs before the phase rotation, |
|
|
10877
|
Thu Jan 8 03:40:50 2015 |
ericq | Update | Computer Scripts / Programs | ELOG 3.0 | I've installed the very fresh ELOG
3.0, for nothing else than the new built
in text editor which has a LATEX capable |
|
|
10880
|
Thu Jan 8 19:41:50 2015 |
ericq | Update | General | inane LSCoffsets script removed | The restored offset script used old tdsavg
calls that our workstations can't do,
and didn't include things like the transmon |
|
|
10886
|
Mon Jan 12 18:11:25 2015 |
ericq | Update | ASC | Test Mass -> Transmon QPD TFs measured | We want to have some angular control of
the arms during lock acquistion.
In single arm lock, Diego |
|
|
10889
|
Tue Jan 13 01:58:16 2015 |
ericq | Update | Computer Scripts / Programs | Cdsutils upgraded to 382 | I've upgraded our cdsutils installation
to v382; there have been some changes to
pydv which will allow me to implement the |
|
|
10890
|
Tue Jan 13 03:47:46 2015 |
ericq | Update | CDS | Installed new ethernet driver on Chiara | Chiara threw another network hissy fit.
Dmesg was spammed with a bunch of messages
like eth0: link up appearing |
|
|
10892
|
Tue Jan 13 04:57:26 2015 |
ericq | Update | CDS | All FE diagnostics back to green | I was looking into the status of IPC communications
in our realtime network, as Chris suggested
that there may be more phase missing that |
|
|
10901
|
Wed Jan 14 19:27:09 2015 |
ericq | Update | LSC | UGF servo now linear again | The UGF servos have been moved to the control
point, are are once again totally linear! |
|
|
10908
|
Thu Jan 15 18:57:41 2015 |
ericq | Update | ASC | Transmon QPD loops live | I've measured the sensing for each
of the arms, by using our calibrated oplevs,
in terms of QPD counts per micron. It is: |
|
|
10909
|
Thu Jan 15 19:01:30 2015 |
ericq | Update | PSL | PMC realigned | PMC realigned again... The transmission
was down to 0.70, and the MC was having a
hard time trying to autolock. |
|
|
10912
|
Fri Jan 16 04:14:38 2015 |
ericq | Update | CDS | Unexpected CDS behavior | EDIT: Sleepy Eric doesn't
understand loops. The conditions for this
observation included active oplev loops. |
|
|
10920
|
Mon Jan 19 18:27:16 2015 |
ericq | Update | ASC | QPD ASC saga continues. | Herein,
I will try
to paint a more thorough picture of this |
|
|
10921
|
Tue Jan 20 02:39:49 2015 |
ericq | Update | ASC | QPD ASC saga continues. | Although the QPD loops are less than
ideal right now, I made changes to the ASC
model to trigger the QPD loops on and off |
|
|
10928
|
Thu Jan 22 02:56:07 2015 |
ericq | Update | IOO | FSS input offset adjusted | Since Rana's overhaul of the IMC, the
FSS input offset had been sitting at zero.
Over the last day or so, I had |
|
|
10936
|
Fri Jan 23 15:46:21 2015 |
ericq | Update | CDS | New netgpib scripts for SR785 |
|
|
|
10940
|
Mon Jan 26 17:43:52 2015 |
ericq | Configuration | IOO | MC Autolocker update | The MC autolocker hasn't been
so snappy recently, and has been especially fussy
today. Previously, the mcup script was triggered |
|
|
10953
|
Thu Jan 29 04:27:35 2015 |
ericq | Update | LSC | CARM on REFL11 | [ericq, Diego]
Tonight, |
|
|
10969
|
Tue Feb 3 16:36:33 2015 |
ericq | Update | LSC | CM servo & AO path status | I have removed REFLDC and the SR560 offsetter
from the CM board IN2. Now, analog AS55 I
lives there, for our single arm testing. |
|
|
10972
|
Wed Feb 4 14:30:05 2015 |
ericq | Update | LSC | ASDC Whitening Gain | At the lunch meeting, we were thinking
about the exess high frequency content of
the MICH control signal, which leads to railing |
|
|
10984
|
Fri Feb 6 15:29:29 2015 |
ericq | Update | CDS | Network Shenanigans | Just now we had another EPICS freeze. The
network was still up; i.e. I could ssh to
chiara and fb, who both seemed to be |
|
|
10994
|
Tue Feb 10 03:09:02 2015 |
ericq | Update | LSC | Some locking thoughts on PRMI | Unfortunately, we only had one good CARM
offset reduction to powers of about 25, but
then my QPD loop blew it. We spent the vast |
|
|
10997
|
Tue Feb 10 18:37:17 2015 |
ericq | Update | ASC | QPD ASC ready to go | I've remeasured the QPD ASC sensing
coefficients, and figured out what I did
weird with the actuation coefficients. I've |
|
|
11003
|
Wed Feb 11 17:31:11 2015 |
ericq | Update | LSC | RFPD spectra | For future reference, I've taken spectra
of our various RFPDs while the PRMI was sideband
locked on REFL33, using a 20dB RF coupler |
|
|
11004
|
Wed Feb 11 18:07:42 2015 |
ericq | Update | LSC | RFPD spectra | After some discussion with Koji, I've
asked Steve to order some SBP-30+ bandpass
filters as a quick and cheap way |
|
|
11010
|
Thu Feb 12 03:43:54 2015 |
ericq | Update | LSC | 3F PRMI at zero ALS CARM | I have been able to recover the ability
to sit at zero CARM offset while the PRMI
is locked on RELF33 and CARM/DARM are on |
|
|
11015
|
Thu Feb 12 15:21:37 2015 |
ericq | Update | Computer Scripts / Programs | netgpib updates | I've fixed the gpib scripts for the
SR785 and AG4395A to output data in the same
format as expected by older scripts when |
|
|
11022
|
Fri Feb 13 14:27:30 2015 |
ericq | Update | Electronics | Second QPD Whitening Switch enabled | I have re-enabled the second whitening
stage switching on each quadrant of each
end's QPD whitening board, to try and |
|