ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
16089
|
Wed Apr 28 10:56:10 2021 |
Anchal, Paco | Update | SUS | IMC Filters diagnosed | Good
morning! |
7x |
16090
|
Wed Apr 28 11:31:40 2021 |
Jon | Update | VAC | Empty N2 Tanks | I checked out what happened on c1vac. There
are actually two independent monitoring codes
running: |
|
16091
|
Wed Apr 28 17:09:11 2021 |
Anchal | Update | SUS | Tuned Suspension Parameters uploaded for long term behavior monitoring | I have uploaded all the new settings mentioned
in 16066
and 16072. |
|
16092
|
Wed Apr 28 18:56:57 2021 |
Yehonathan, Jon | Update | CDS | Updated c1auxey wiring plan | We took a Supermicro from the lab (along
with a keyboard, a mouse, and a screen taken
from a table on the Y arm) and placed it |
|
16093
|
Thu Apr 29 10:51:35 2021 |
Jon | Update | CDS | I/O Chassis Assembly | Summary
Yesterday I unpacked
and installed the three 18-bit DAC cards
received from Hanford. I then repeated the |
|
16094
|
Thu Apr 29 10:52:56 2021 |
Anchal | Update | SUS | IMC Trans QPD and WFS loops step response test | In 16087
we mentioned that we were unable to do a
step response test for WFS loop to get an |
 |
16095
|
Thu Apr 29 11:51:27 2021 |
Anchal | Summary | LSC | Start of measuring IMC WFS noise contribution in ar cavity length noise | Tried locking the arms
Ran IFO > Configure
> ! (YARM) > Restore YARM. Nothing |
|
16096
|
Thu Apr 29 13:41:40 2021 |
Ian MacMillan | Update | CDS | SUS simPlant model | To add the required library: put the .mdl
file that contains the library into the userapps/lib folder.
That will allow it to compile correctly |
|
16097
|
Thu Apr 29 15:11:33 2021 |
gautam | Update | CDS | RFM | The problem here was that the RFM errors
cropped up again - seems like it started
~4am today morning judging by TRX trends. |
 |
16098
|
Thu Apr 29 16:35:51 2021 |
Yehonathan | Update | CDS | Updated c1auxey wiring plan | I installed the EPICs base, asyn and modbus
modules according to Jon's
instructions. |
|
16099
|
Thu Apr 29 17:43:16 2021 |
Koji | Update | CDS | RFM | The other day I felt hot at the X end.
I wondered if the Xend A/C was off, but the
switch right next to the SP table was ON |
|
16100
|
Thu Apr 29 17:43:48 2021 |
Anchal | Update | CDS | F2A Filters double check | I double checked today and the F2A filters
in the output matrices of MC1, MC2 and MC3
in the POS column are ON. I do not get what |
|
16101
|
Thu Apr 29 17:51:19 2021 |
Anchal | Summary | LSC | Start of measuring IMC WFS noise contribution in arm cavity length noise | t Both arms were locked simply by using
IFO > Configure > ! (YARM) > Restore
YARM. I had to use ASS to improve the TRX/TRY |
|
16102
|
Thu Apr 29 18:53:33 2021 |
Anchal | Update | SUS | IMC Suspension Damping Gains Test | With the input matrix, coil ouput gains
and F2A filters loaded as in 16091,
I tested the suspension loops' step response |
  |
16103
|
Thu Apr 29 19:55:45 2021 |
Yehonathan | Update | CDS | Updated c1auxey wiring plan | We received a stock of DB9 male feed-through
connectors. That allowed me to complete the
remaining wiring on the c1auxey Acromag chassis. |
|
16104
|
Fri Apr 30 00:18:40 2021 |
gautam | Summary | LSC | Start of measuring IMC WFS noise contribution in arm cavity length noise | This is the actuator calibration.
For the error point calibration, you have
to look at the filter in the calibration |
|
16105
|
Fri Apr 30 00:20:30 2021 |
gautam | Update | CDS | F2A Filters double check | The SDF system is supposed to help with
restoring the correct settings, complementary
to burt. My personal opinion is that there |
|
16106
|
Fri Apr 30 12:52:14 2021 |
Ian MacMillan | Update | CDS | SUS simPlant model | Now that the model is finally compiled
I need to make an medm screen for it and
put it in the c1sim:/home/controls/docker-cymac/userapps/medm/ directory. |
|
16107
|
Fri Apr 30 19:18:51 2021 |
Yehonathan, Jon | Update | CDS | Updated c1auxey wiring plan | We finished the installation procedure
on the c1auxey1 host machine. There were
some adjustments that had to be made for |
|
16108
|
Mon May 3 09:14:01 2021 |
Anchal, Paco | Update | LSC | IMC WFS noise contribution in arm cavity length noise | Lock
ARMs |
 |
16109
|
Mon May 3 13:35:12 2021 |
Ian MacMillan | Update | CDS | SUS simPlant model | When the cymac is started it gives me a
list of channels shown below.
|
|
16110
|
Mon May 3 16:24:14 2021 |
Anchal | Update | SUS | IMC Suspension Damping Gains Test Repeated with IMC unlocked | We repeated the same test with IMC unlocked.
We had found these gains when IMC was unlocked
and their characterization needs to be done |
  |
16111
|
Mon May 3 16:49:04 2021 |
Yehonathan | Update | BHD | SOS assembly | I found a "vice" in the cleanroom
(attachment 1). I used it to push dowel pins
into the last suspension block using some |
 |
16112
|
Mon May 3 17:28:58 2021 |
Anchal, Paco, Rana | Update | LSC | IMC WFS noise contribution in arm cavity length noise | Rana came and helped us figure us where
to inject the noise. Following are the characteristics
of the test we did: |
 |
16113
|
Mon May 3 18:59:58 2021 |
Anchal | Summary | General | Weird gas leakagr kind of noise in 40m control room | For past few days, a weird sound of decaying
gas leakage comes in the 40m control room
from the south west corner of ceiling. Attached |
|
16114
|
Mon May 3 20:36:46 2021 |
Yehonathan, Jon | Update | CDS | Updated c1auxey wiring plan | It seemed like the BIO channels were not
working, both the inputs and the outputs.
The inputs were working on the windows machine |
|
16115
|
Mon May 3 23:28:56 2021 |
Koji | Summary | General | Weird gas leakagr kind of noise in 40m control room | I also noticed some sound in the control
room. (didn't open the MP3 yet)
I'm afraid that the hard disk |
|
16116
|
Tue May 4 07:38:36 2021 |
Jon | Update | CDS | I/O Chassis Assembly | IOP models created
With all
the PCIe issues now resolved, yesterday I
proceeded to build an IOP model for |
|
16117
|
Tue May 4 11:43:09 2021 |
Anchal, Paco | Update | LSC | IMC WFS noise contribution in arm cavity length noise | We redid the WFS noise injection test and
have compiled some results on noise contribution
in arm cavity noise and IMC frequency noise |
  |
16118
|
Tue May 4 14:55:38 2021 |
Ian MacMillan | Update | CDS | SUS simPlant model | After a helpful meeting with Jon, we realized
that I have somehow corrupted the sitemap
file. So I am going to use the code |
|
16119
|
Tue May 4 19:14:43 2021 |
Yehonathan | Update | General | OSEMs from KAGRA | I put the box containing the untested OSEMs
from KAGRA near the south flow bench on the
floor. |
|
16120
|
Wed May 5 09:04:47 2021 |
Anchal | Update | SUS | New IMC Suspension Damping Gains uploaded for long term testing | We have uploaded the new damping gains
on all the suspensions of IMC. This completes
changing all the configuration to as mentioned |
|
16121
|
Wed May 5 13:05:07 2021 |
Chub | Update | General | chassis delivery from De Leone | Assembled chassis from De Leone placed
in the 40 Meter Lab, along the west wall
and under the display pedestal table. |
|
16122
|
Wed May 5 15:11:54 2021 |
Ian MacMillan | Update | CDS | SUS simPlant model | I added the IPC parts back to the plant
model so that should be done now. It looks
like this again here. |
|
16124
|
Thu May 6 16:13:24 2021 |
Ian MacMillan | Update | CDS | SUS simPlant model | When using mdl2adl I
was getting the error:
|
|
16125
|
Thu May 6 16:13:39 2021 |
Anchal | Summary | IMC | Angular actuation calibration for IMC mirrors | Here's my first attempt at doing angular
actuation calibration for IMC mirrors using
the method descibed in /users/OLD/kakeru/oplev_calibration/oplev.pdf |
|
16126
|
Fri May 7 11:19:29 2021 |
Ian MacMillan | Update | CDS | SUS simPlant model | I copied c1scx.mdl
to the docker to attach to the plant using
the commands: |
|
16127
|
Fri May 7 11:54:02 2021 |
Anchal, Paco | Update | LSC | IMC WFS noise contribution in arm cavity length noise | We today measured the calibration factors
for XARM_OUT and YARM_OUT in nm/cts and replotted
our results from 16117 |
  |
16128
|
Mon May 10 10:57:54 2021 |
Anchal, Paco | Summary | Calibration | Using ALS beatnote for calibration, test | Test details:
We
locked both arms and opened the shutter for
Yend green laser.
After toggling |
  |
16129
|
Mon May 10 18:19:12 2021 |
Anchal, Paco | Update | LSC | IMC WFS noise contribution in arm cavity length noise, Corrections | A few corrections to last analysis:
The first plot was not
IMC frequency noise but actually MC_F noise |
|
16130
|
Tue May 11 16:29:55 2021 |
Jon | Update | CDS | I/O Chassis Assembly |
Quote:
|
|
16131
|
Tue May 11 17:43:09 2021 |
Koji | Update | CDS | I/O Chassis Assembly | Did you match the local PC time with the
GPS time? |
|
16132
|
Wed May 12 10:53:20 2021 |
Anchal, Paco | Update | LSC | PSL-IMC PDH Loop and XARM PDH Loop diagram | Attached is the control loop diagram when
main laser is locked to IMC and a single
arm (XARM) is locked to the transmitted light |
|
16133
|
Wed May 12 11:45:13 2021 |
Anchal, Paco | Summary | SUS | New IMC Settings are miserable | We picked a few parameters from 40m summary
page and plotted them to see the effect of
new settings. On April 4th, old settings |
  |
16134
|
Wed May 12 13:06:15 2021 |
Ian MacMillan | Update | CDS | SUS simPlant model | Working with Chris, we decided that it
is probably better to use a simple filter
module as a controller before we make the |
   |
16135
|
Wed May 12 14:23:20 2021 |
Jordan | Update | SUS | Mass Properties of SOS Assembly with 3"->2" Optic sleeve, in SI units | |
|
16136
|
Wed May 12 16:53:59 2021 |
Koji | Update | SUS | Mass Properties of SOS Assembly with 3"->2" Optic sleeve, in SI units | No, this is the property of the suspension
assembly. The mass says 10kg
Could you do the same for the testmass |
|
16137
|
Wed May 12 17:06:52 2021 |
Jordan | Update | SUS | Mass Properties of SOS Assembly with 3"->2" Optic sleeve, in SI units | Here are the mass properties for the only
the test mass assembly (optic, 3" ring,
and wire block). (Updated with g*mm^2) |
|
16138
|
Thu May 13 11:55:04 2021 |
Anchal, Paco | Update | SUS | MC1 suspension misbehaving | We came in the morning with the following
scene on the zita monitor:
|
 |
16139
|
Thu May 13 19:38:54 2021 |
Anchal | Update | SUS | MC1 Satellite Amplifier Debugged | [Anchal Koji]
Koji and I did a few tests with
an OSEM emulator on the satellite amplifier |
|