| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
2441
|
Mon Dec 21 19:24:29 2009 |
rana | Update | ASS | OAF Model update and build instructions | I fit the MC1 -> MCL TF using vectfit4.m
(from mDV). The wrapper file is mDV/extra/C1/
fitMC12MCL.m. |
|
|
2442
|
Tue Dec 22 02:50:09 2009 |
rana, kiwamu, jenne | Update | ASS | OAF Feedaround ON and doing something good | Kiwamu made the OAF screen functional today
- screenshot attached.
After this, I used the measured TF |
|
|
2449
|
Wed Dec 23 17:33:14 2009 |
rana | Update | ASS | OAF Feedaround ON and doing something good | The Rai box ran out of batteries a couple
of days ago and so the data is no good. I've
put the Ranger back on the SR560 for now |
|
|
4696
|
Wed May 11 23:02:52 2011 |
valera | Update | ASS | Dither angular stabilizitaion system update | This is what was done in past two days:
- The ETMY and ITMY pitch and yaw
dofs are modulated at 40, 44, 42, 46 Hz respectively |
|
|
4709
|
Fri May 13 00:39:53 2011 |
valera | Update | ASS | c1ass update | Here the status of the dither alignment
or c1ass:
- Both pitch and yaw centering on |
|
|
4726
|
Mon May 16 11:47:59 2011 |
kiwamu | Update | ASS | c1ass update part II | The medm screen for c1ass started being
modified to be more user-friendly.
The modification is still |
|
|
4795
|
Wed Jun 8 16:41:48 2011 |
valera | Update | ASS | X and Y arm dither alignment status | |
|
|
6723
|
Thu May 31 01:20:41 2012 |
Jenne | Update | ASS | ASS filter outputs are non-zero with no input | I was looking a little at ASS, while Yuta
was doing some Green transmitted DC PD work,
and I find that the output of some filters |
|
|
6980
|
Tue Jul 17 11:28:29 2012 |
Jenne | Update | ASS | Names of DoF filters in ASS wrong | The names of the DoF filters in the ASS
loop were wrong. The filters themselves
were correct (low pass filters at super low |
|
|
7017
|
Tue Jul 24 03:14:13 2012 |
Jenne | Update | ASS | Calibration of MC ASS lockins | I wanted to check that the calibration
of the MC ASS lockins was sensible, before
trusting them forevermore. |
|
|
7074
|
Wed Aug 1 22:37:21 2012 |
Jenne | Update | ASS | Filters installed in the ASS | As part of trying to figure out what is
going on with the ASS, I wanted to figure
out what filters are installed on which lockins. |
|
|
7075
|
Thu Aug 2 00:43:55 2012 |
Jenne | Update | ASS | Major cleanup of the ASS model | [Jamie, Jenne]
We are trying to figure out what
the story is with the ASS, and in order to |
|
|
7081
|
Thu Aug 2 23:31:04 2012 |
Jenne | Update | ASS | Major cleanup of the ASS model | Jamie re-redid the ASS model a few hours
ago.
I have just compiled it, and restarted |
|
|
7082
|
Fri Aug 3 03:24:13 2012 |
Jenne | Update | ASS | New ASS screens | I wanted to try out the ASS tonight, but
I wanted some kinds of screens thrown together
so I would know what I was doing. Turns |
|
|
7092
|
Mon Aug 6 17:15:15 2012 |
Jenne | Update | ASS | Filter banks not working | I was trying to load some filters into
the ASS so that I can try it out, but for
some reason the filter banks aren't working |
|
|
7099
|
Tue Aug 7 00:22:10 2012 |
Jenne | Update | ASS | Filter banks working |
|
|
|
7100
|
Tue Aug 7 03:20:56 2012 |
Jenne | Update | ASS | ASS setup, on, off scripts written | I wrote new setup, on and off scripts for
the arm ass. They take the arm as an
argument, so it's the same script for both |
|
|
7123
|
Wed Aug 8 20:34:29 2012 |
Jenne | Update | ASS | Trouble measuring sensing matrix | I turned on the ASS, without closing the
loops, to try to measure the sensing matrix.
The Yarm was locked |
|
|
7124
|
Wed Aug 8 20:50:39 2012 |
Koji | Update | ASS | Trouble measuring sensing matrix | From the log, I couldn't understand what
has been done.
The procedure we should perform is |
|
|
7129
|
Thu Aug 9 00:23:11 2012 |
Jenne | Update | ASS | Trouble measuring sensing matrix |
|
|
|
7131
|
Thu Aug 9 01:26:03 2012 |
Koji | Update | ASS | Trouble measuring sensing matrix | That's a good point, but I suspect
that you end up with the in-phase (0deg)
as the response of the IFO is immediate compared |
|
|
7135
|
Thu Aug 9 12:31:36 2012 |
Jenne | Update | ASS | ASS rebuilt again | I was (in between Eric's measurements) driving
the YARM ASS dithers, and noticed that instead
of driving ITMY PIT, I was driving ITMX PIT. |
|
|
7137
|
Thu Aug 9 23:50:09 2012 |
Jenne | Update | ASS | ASS matrix measured, first ASS test | Koji pointed out that I was being silly,
and rather than actually misaligning the
optics (by, say, changing their IFO Align |
|
|
8176
|
Wed Feb 27 00:56:01 2013 |
Jenne | Update | ASS | Motivation for reactivating the ASS | I am putting a little bit of brain power
into reviving the ASS, and I want to write
down what the motivation is, and what the |
|
|
8178
|
Wed Feb 27 02:21:55 2013 |
Jenne | Update | ASS | Motivation for reactivating the ASS | I have modified the MeasureSpotPositions.py
script to accept the arms as valid cavities
(it used to give an error "Sorry, this |
|
|
8204
|
Fri Mar 1 02:49:34 2013 |
Jenne | Update | ASS | Arm A2L measurement | I haven't finished debugging the scripts
so that the measurement is fully automatic,
like the MC, but I did measure the arm spot |
|
|
8205
|
Fri Mar 1 08:19:40 2013 |
Steve | Update | ASS | drift | Early morning drift in pitch. This
plot is meaningless because there is no real
light on IP-Ang |
|
|
8216
|
Mon Mar 4 09:51:26 2013 |
Steve | Update | ASS | IP-ANG is still not real | IP-ANG is coming out of ETMY
without clipping. The beam is very high on
the pick off mirror at the end table but |
|
|
8229
|
Tue Mar 5 01:43:04 2013 |
Jenne | Update | ASS | Arm A2L measurement script finished | In either .../scripts/XARM or ...../scripts/YARM
run either A2L_XARM or A2L_YARM.
The wrapper script will, like the |
|
|
8494
|
Thu Apr 25 20:48:48 2013 |
Koji | Update | ASS | Den fixed the Yarm ASS scripts | I contacted Den about malfunctioning of
the Yarm ASS.
He found the scripts were modified |
|
|
8525
|
Fri May 3 01:24:25 2013 |
Koji | Update | ASS | Den fixed the Yarm ASS scripts | Output matrices are added to ASS. Currently
ASS is based on the mirror bases.
I prefer to have the actuator bases |
|
|
8552
|
Wed May 8 18:33:02 2013 |
Koji | Update | ASS | YARM ASS - faster and more precise convergence | Precise arm alignment is more demanded.
as the PRMI locking requires good and reliable
alignment of the ITMs. |
|
|
8554
|
Wed May 8 22:36:42 2013 |
Koji | Update | ASS | XARM ASS (YARM ASS - faster and more precise convergence) | Same ASS setup for the X arm has been
done.
Now |
|
|
9018
|
Fri Aug 16 13:25:50 2013 |
Koji | Update | ASS | ASX model/screen cleaning up | [Koji Manasa]
Yesterday we cleaned up the ASX model
and screens to have more straight forward |
|
|
11846
|
Fri Dec 4 10:18:33 2015 |
yutaro | Update | ASS | Offset in the dither loop of XARM vs beam spot shift on ETMX | As I did for YARM (elog
11779), I measured the relation between
offsets added just after the demodulation |
|
|
12869
|
Mon Mar 6 12:34:30 2017 |
johannes | Summary | ASS | ASS light injection scenarios | What we want from the light source for
the AS port light injection:
Frequency control for locking |
|
|
13032
|
Fri Jun 2 00:54:08 2017 |
Koji | Update | ASS | Xarm ASS restoration work | While Gautam is working the restoration
of Yarm ASS, I worked on Xarm.
Basically, I have changed the oscillator |
7x |
|
13033
|
Fri Jun 2 01:22:50 2017 |
gautam | Update | ASS | ASS restoration work | I started by checking if shaking an optic
in pitch really moves it in pitch - i.e.
how much PIT to YAW coupling is there. The |
|
|
13048
|
Wed Jun 7 14:11:49 2017 |
gautam | Update | ASS | Y-arm coil driver electronics investigation | Rana suggested taking a look at the Y-arm
test mass actuator TFs (measured by driving
the coils one at a time, with only local |
|
|
13051
|
Wed Jun 7 17:45:11 2017 |
gautam | Update | ASS | Y-arm coil driver electronics investigation | I repeated the test of driving C1:SUS-<Optic>_<coil>_EXC
individually and measuring |
|
|
13052
|
Thu Jun 8 02:11:28 2017 |
gautam | Update | ASS | Y-arm coil driver electronics investigation |
p.p1
{margin: 0.0px 0.0px 0.0px 0.0px; font: 18.0px
'Helvetica Neue'; -webkit-text-stroke: #000000}
p.p3 |
|
|
13060
|
Mon Jun 12 17:42:39 2017 |
gautam | Update | ASS | ETMY Oplev Pentek board pulled out | As part of my Oplev servo investigations,
I have pulled out the Pentek Generic Whitening
board (D020432) from the Y-end electronics |
|
|
13063
|
Wed Jun 14 18:15:06 2017 |
gautam | Update | ASS | ETMY Oplev restored | I
replaced the Pentek Generic Whitening Board
and the Optical Lever PD Interface Board |
|
|
13064
|
Thu Jun 15 01:56:50 2017 |
gautam | Update | ASS | ETMY Oplev restored | Summary:
I tried playing around with |
|
|
13470
|
Fri Dec 8 23:31:31 2017 |
johannes | Frogs | ASS | c1ass slow channel offloading scripts with small | While staring at epics records all day
I noticed something about the PIT/YAW offset
sliders and ASS offset offloading to slow |
|
|
13471
|
Wed Dec 13 09:49:23 2017 |
johannes | Update | ASS | wiring diagram | I attached a wiring schematic from the
slow DAQ to the eurocrate modules. Of these,
pins 1-32 (or 1A-16C) and pins 33-64 (17A-32C) |
|
|
13473
|
Thu Dec 14 00:32:56 2017 |
johannes | Update | ASS | Acromag new crate; c1auxex2 configured as gateway server for acromag | This splicing in of fast binary channels
we discussed at yesterday's and today's
meetings is getting messy with the current |
|
|
13476
|
Thu Dec 14 19:33:20 2017 |
gautam | Frogs | ASS | c1ass slow channel offloading scripts with small | I
don't think this is really a problem |
|
|
14093
|
Fri Jul 20 22:53:15 2018 |
Koji | Update | ASS | Attempt to resurrect Yarm ASS | [Koji Gautam]
We managed to realize stable
ASS configuration for Yarm. The transmission |
|
|
14132
|
Fri Aug 3 19:02:11 2018 |
gautam | Update | ASS | X arm ASS recovery | [koji,
gautam]
After I effected the series resistance |
|