ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
16667
|
Fri Feb 11 16:09:11 2022 |
Anchal | Update | General | Scheduled power outage recovery - Input power increased | We increased the input power to IMC by
replacing the 98% transmission BS by a 10%
transmission BS on the detection table (reverse |
|
|
16666
|
Fri Feb 11 12:22:19 2022 |
rana | Update | CDS | [Solved] Huge random numbers flowing into ETMX/ETMY ASC PIT/YAW | you
can hand edit the autoBurt file which the
FE uses to set the values after boot up. |
|
|
16665
|
Fri Feb 11 11:17:00 2022 |
Anchal | Update | General | Scheduled power outage recovery | I found that two computers are not powering
up in the control room, Ottavia and Allegra.
Allegra was important for us as it had the |
|
|
16664
|
Fri Feb 11 10:56:38 2022 |
Anchal | Update | CDS | [Solved] Huge random numbers flowing into ETMX/ETMY ASC PIT/YAW | Yeah, this is a known issue actually. We
go to ASC screen and manually swich off all
the outputs after every reboot. We haven't |
|
|
16663
|
Thu Feb 10 21:51:02 2022 |
Koji | Update | CDS | [Solved] Huge random numbers flowing into ETMX/ETMY ASC PIT/YAW | Huge random numbers are flowing into ETMX/ETMY
ASC PIT/YAW. Because of this, I could not
damp the ETMX/ETMY suspension at the beginning |
|
|
16662
|
Thu Feb 10 21:16:27 2022 |
Koji | Summary | CDS | chiara resolv.conf wierdo | During the videomux debug, I noticed that
the host name resolving on chiara didn't
behave well. Basically I could not login |
|
|
16661
|
Thu Feb 10 21:10:43 2022 |
Koji | Update | General | Video Mux setting reset | Now the video matrix is responding correctly
and the web interface shows up. (Attachment
1) |
|
|
16660
|
Thu Feb 10 19:46:37 2022 |
Koji | Update | General | Scheduled power outage recovery - Locking mode cleaner(s) | ==
Assign new IP address to c1sus2 ==
cf: [40m |
|
|
16659
|
Thu Feb 10 19:03:23 2022 |
Koji | Update | General | Scheduled power outage recovery - Locking mode cleaner(s) | I came back to the 40m and started the
investigation.
If I ping 192.168.113.92, it responds. |
|
|
16658
|
Thu Feb 10 17:57:48 2022 |
Anchal | Update | General | Scheduled power outage recovery - Locking mode cleaner(s) | Something is wrong with the Video MUX.
The system did not turn back on with full
functionality. Even though we see the screens |
|
|
16657
|
Thu Feb 10 15:41:00 2022 |
Anchal | Update | General | Scheduled power outage recovery - Locking mode cleaner(s) | I found out that the ESP300 service needs
to be run in root mode for it to be able
to connect to the USB port of HWP motor controller. |
|
|
16656
|
Thu Feb 10 14:39:31 2022 |
Koji | Summary | Computers | Network security issue resolved | [Mike P / Koji / Tega / Anchal]
IMSS/LIGO IT notified us that "ILOM
ports" of one of our hosts on the "114" |
|
|
16655
|
Wed Feb 9 16:43:35 2022 |
Paco | Update | General | Scheduled power outage recovery - Locking mode cleaner(s) | [Paco, Anchal]
We went in and measured
the power after the power splitting HWP at |
|
|
16654
|
Wed Feb 9 14:34:27 2022 |
Ian | Summary | Computer Scripts / Programs | SUS Plant Plan for New Optics | Restarted the C1sim machine at about 12:30
to help diagnose a network problem. Everything
is back up and running |
|
|
16653
|
Wed Feb 9 13:55:05 2022 |
Koji | Update | General | Bringing back CDS | Great recovery work and cleaning of the
rebooting process.
I'm just curious: Did you observe |
|
|
16652
|
Wed Feb 9 11:56:24 2022 |
Anchal | Update | General | Bringing back CDS | [Anchal, Paco]
Bringing back CDS took a lot of
work yesterday. I'm gonna try to summarize |
|
|
16651
|
Mon Feb 7 16:53:02 2022 |
Koji | Update | General | Scheduled power outage recovery | I went to the X end and found it was warm.
Turned out that not all the A/Cs were on.
They were turned on now. |
|
|
16650
|
Mon Feb 7 16:14:37 2022 |
Tega | Update | Computers | realtime system reboot problem | I was looking into plotting temperature
sensor data trend and why we currently do
not have frame data written to file (on /frames) |
|
|
16649
|
Mon Feb 7 15:32:48 2022 |
Yehonathan | Update | General | Y End laser controller | I went to the Y end. The AUX laser was
on Standby. I pushed the Standby button.
The laser turned on and there was some green |
|
|
16648
|
Mon Feb 7 09:00:26 2022 |
Paco | Update | General | Scheduled power outage recovery | [Paco]
Started recovering from scheduled
(Feb 05) power outage. Basically, time-reversing |
|
|
16647
|
Fri Feb 4 10:21:39 2022 |
Anchal | Summary | General | Complete lab shutdown | Please edit this same
entry throughout the day for the shutdown |
|
|
16646
|
Fri Feb 4 10:04:47 2022 |
Chub | Update | General | dish soap and clean scrub sponges! | Bought dish soap and scrub sponges today
and placed them under the sink with the other
dish supplies. |
|
|
16645
|
Thu Feb 3 17:15:23 2022 |
Tega | Summary | Computer Scripts / Programs | SUS Plant Plan for New Optics | Finally got the SIMPLANT damping to work
following Rana's suggestion to try damping
one DoF at a time, woo-hoo! |
|
|
16644
|
Thu Feb 3 14:47:12 2022 |
Chub | Update | Electronics | new UPS in place | Received the new 1100VA APC UPS today and
placed it at the bottom of the valve rack.
I'd connected the battery and plugged |
|
|
16643
|
Thu Feb 3 10:25:59 2022 |
Jordan | Update | VAC | TP1 and Manual Gate Valve Install | Jordan, Chub
Chub and I installed the new manual
gate valve (Nor-Cal GVM-6002-CF-K79) and |
|
|
16641
|
Wed Feb 2 21:16:23 2022 |
Koji | Summary | BHD | Optomechanics configuration for the in-vacuum aux small optics | Asked Jordan to clean 2x 1.5" posts
(0.5 dia) and a washer with 1" dia.
|
|
|
16640
|
Wed Feb 2 18:55:58 2022 |
Koji | Summary | BHD | Optomechanics configuration for the in-vacuum aux small optics | Here is more detail of the POP_SM4
mount assembly.
It's a combination of BA2V |
|
|
16639
|
Wed Feb 2 16:32:02 2022 |
Anchal | Summary | BHD | Part IX of BHR upgrade - AS1 free swing test still not good | We still did not get a good AS1 free swinging
spectrum. It seems the Side OSEM is reporting
coupling to too many DOFs and some extra |
|
|
16638
|
Wed Feb 2 16:27:57 2022 |
Anchal | Summary | BHD | Part III of BHR upgrade - PR3 inpute matrix diagonalized | The
free swinging test was successful. I
ran the input matrix diagonalization code |
|
|
16637
|
Wed Feb 2 16:22:00 2022 |
Anchal | Summary | BHD | Part III of BHR upgrade - PR2 inpute matrix diagonalized | The
free swinging test was successful. I
ran the input matrix diagonalization code |
|
|
16636
|
Tue Feb 1 20:16:09 2022 |
Tega | Update | BHD | PR2 candidate mirror analysis | git repo: git@git.ligo.org:tega-edo/charmirrormap.git
The analysis code takes in a set
of raw images, 10 in our case, for |
|
|
16635
|
Tue Feb 1 15:33:28 2022 |
Koji | Summary | BHD | Optomechanics configuration for the in-vacuum aux small optics | I've summarized the optomechanics configuration
for the in-vacuum aux small optics
It's not obvious here but the |
|
|
16634
|
Mon Jan 31 10:39:19 2022 |
Jordan | Update | VAC | TP1 and Manual Gate Valve Removal | Jordan, Chub
Today, Chub and I removed TP1 and
the failed manual gate valve off of the pumping |
|
|
16632
|
Fri Jan 28 16:35:18 2022 |
Anchal | Summary | BHD | AS1, PR2 and PR3 set to trigger free swing test | AS1, PR2 and PR3 are set to o go through
a free swinging test at 3 am. We have used
this script |
|
|
16631
|
Fri Jan 28 11:30:52 2022 |
Koji | Summary | BHD | Part III of BHR upgrade - PR2 OSEM finalized, reinsall LO1 OSEMs | All
green! Great work, Team! |
|
|
16630
|
Fri Jan 28 10:37:59 2022 |
Paco | Summary | BHD | Part III of BHR upgrade - PR2 OSEM finalized, reinsall LO1 OSEMs | [Paco]
Thanks to Koji's hotfix on
the PR2 SatAmp box last evening, this morning |
|
|
16629
|
Thu Jan 27 20:46:38 2022 |
Koji | Summary | BHD | Part III of BHR upgrade - Install PR2, balance, and attempt OSEM tuning |
Started debugging D1002818
/ S2100737
(8:30PM)
Confirmed the issue of |
|
|
16628
|
Thu Jan 27 18:03:36 2022 |
Paco | Summary | BHD | Part III of BHR upgrade - Install PR2, balance, and attempt OSEM tuning | [Paco, Anchal, Tega]
After installing the short OSEMs
into PR2, we moved it into ITMX Chamber. |
|
|
16627
|
Thu Jan 27 17:57:35 2022 |
Anchal | Summary | BHD | Part III of BHR upgrade - Replaced small suspended PR3 with new SOS PR3 and OSEM tuning | [Anchal, Paco]
We removed the old PR3 housed in
a tip-tilt style suspension and put it on |
|
|
16626
|
Thu Jan 27 16:40:57 2022 |
Tega | Summary | Computer Scripts / Programs | SUS Plant Plan for New Optics | [Ian, Paco, Tega]
Last night we set up the four main
matrices that handle the conversion between |
|
|
16625
|
Thu Jan 27 08:27:34 2022 |
Paco | Summary | BHD | Part IX of BHR upgrade - AS1 inspection and correction | [Paco]
This morning, I went into ITMY
chamber to inspect AS1 after the free swinging |
|
|
16624
|
Tue Jan 25 18:37:12 2022 |
TYehonathan | Update | BHD | PR2 Suspension | PR2's side magnet height was adjusted
and its roll was balanced (attachment 1,2).
I verified that the OpLev beam is still aligned. |
|
|
16623
|
Tue Jan 25 16:42:03 2022 |
Anchal | Summary | BHD | Reduced filter gains in all damped new SOS | I noticed that our current suspension damping
loops for the new SOS were railing the DAC
outputs. The reason being that cts2um module |
|
|
16622
|
Tue Jan 25 11:02:54 2022 |
Anchal | Summary | BHD | Part IX of BHR upgrade - AS1 free swing test failed | For some reasonf the free swing test showed
only one resonance peak (see attachment 1).
This probably happened because one of the |
|
|
16621
|
Tue Jan 25 10:55:02 2022 |
Anchal | Summary | BHD | Part VIII of BHR upgrade - LO2 input matrix diagonalization performed. | The free swinging test was successful.
I ran the input matrix diagonalization code
(/opt/rtcds/caltech/c1/Git/40m/scripts/SUS/InMAtCalc/sus_diagonalization.py) |
|
|
16620
|
Mon Jan 24 21:18:40 2022 |
Paco | Summary | BHD | Part IX of BHR upgrade - AS1 placed and OSEM tuned | [Paco]
AS1 was installed in the ITMY chamber
today. For this I moved AS4 to its nominal |
|
|
16619
|
Mon Jan 24 20:48:48 2022 |
Anchal | Update | BHD | AS4 Input Matrix Diagonalization performed. | I agree. That's an interesting idea.
But does that mean that there is an always
working inverse matrix solution or that any |
|
|
16618
|
Mon Jan 24 18:53:09 2022 |
Anchal | Summary | BHD | Part VIII of BHR upgrade - LO2 placed and OSEMs tuned | I placed LO2 in its planned position in
BS chamber, inserted the OSEMs, and tuned
their position to halfway brightness. At |
|
|
16617
|
Mon Jan 24 17:58:21 2022 |
Yehonathan | Update | BHD | PR2 Suspension | I picked up the PR2 mirrors (labeled M1,
M2) from Anchel's table and took them
to the cleanroom. By inspection, I spotted |
|
|
16616
|
Mon Jan 24 17:12:27 2022 |
rana | Update | BHD | AS4 Input Matrix Diagonalization performed. | I think our
suspension input matrix diagonalization is
not so robust usually because |
|