ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
6998
|
Sat Jul 21 14:05:21 2012 |
Den | Update | PSL | PMC problems examined |
|
|
6999
|
Sat Jul 21 14:48:33 2012 |
Den | Update | CDS | RCG | As I've spent many hours trying to determine
the error in my C code for online filter
I decided to write about it to prevent people |
|
7000
|
Sat Jul 21 18:04:02 2012 |
Den | Update | Adaptive Filtering | frequency domain filter | I've implemented online frequency domain
filter and applied it to MC_F.
|
|
7001
|
Mon Jul 23 07:39:55 2012 |
Ryan Fisher | Summary | Computer Scripts / Programs | Alterations to base epics install for installing aLIGO conlog: | Note: The Conlog install instructions that
I started from were located here:
https://awiki.ligo-wa.caltech.edu/aLIGO/Conlog |
|
7002
|
Mon Jul 23 13:30:06 2012 |
Jenne | Update | Green Locking | Yarm ALS laser is funny / dying | Jamie and I were doing some locking, and
we found that the Yarm green wasn't locking.
It would flash, but not really stay locked |
|
7003
|
Mon Jul 23 17:39:34 2012 |
Jenne | Update | IOO | MC_F vs. MC_L | [Rana, Jenne]
We looked at the different outputs
of the MC servo board to make sure they make |
|
7004
|
Mon Jul 23 18:01:30 2012 |
Jenne | Update | Green Locking | Yarm ALS laser is funny / dying | I turned the Yend laser back on....it
hasn't turned itself off yet, but I'm watching
it. As long as we leave the shutter |
|
7005
|
Mon Jul 23 18:16:13 2012 |
Jamie | Update | SUS | DQ block added to sus_single_control library parts | I have added a DQ block to the sus_single_control
library part. This means that all sus
models will automatically generate DQ channels |
|
7006
|
Mon Jul 23 18:38:58 2012 |
Jenne | Update | PSL | PSL channels added to IOO model | I added a subblock to the IOO model, and
gave it a top_names of PSL, so the channels
show up as C1:PSL-...... |
|
7007
|
Mon Jul 23 18:41:15 2012 |
Jamie | Update | Green Locking | ALS_END.mdl model added for end station green ALS channels | The end sus models (c1scx and c1scy) both
contain some ALS stuff. This stuff
could maybe be moved to their own models, |
|
7008
|
Mon Jul 23 18:57:52 2012 |
Jamie | Update | CDS | c1scx and c1scy models recompiled and restarted | After the changes listed in 7005
and 7007,
I have rebuilt, installed, and restarted |
|
7009
|
Mon Jul 23 19:00:26 2012 |
Koji | Update | Green Locking | ALS_END.mdl model added for end station green ALS channels | This is a good modification. We just need
to check how the ALS scripts are affected.
|
|
7010
|
Mon Jul 23 19:13:12 2012 |
Jenne | Update | PSL | PSL channels added to IOO model |
|
|
7011
|
Mon Jul 23 19:50:43 2012 |
Jamie | Update | CDS | c1gcv model renamed to c1als | I decided to rename the c1gcv model to
be c1als. This is in an ongoing effort
to rename all the ALS stuff as ALS, and get |
|
7012
|
Mon Jul 23 20:19:01 2012 |
Liz | Update | Computer Scripts / Programs | Input Needed (From everyone!) | The summary pages
are now online |
|
7013
|
Mon Jul 23 20:34:38 2012 |
Jamie | Omnistructure | Computers | CHECK IN YOUR CHANGES TO THE SVN | I'm seeing LOTS OF STUFF NOT CHECKED INTO
THE SVN!!! both modified |
|
7014
|
Mon Jul 23 21:17:58 2012 |
Liz | Update | PEM | Weather Station Works! | Rana and I traced the cables that ran from
c1pem1 to the |
|
7015
|
Mon Jul 23 21:54:48 2012 |
rana | Update | PEM | Weather Station Works! | To get the code to run on c1pem1, we had
to move the old target back into the /cvs/cds/caltech/target/
directory. It is in /cvs/cds/caltech/target/c1pem1/. |
|
7016
|
Tue Jul 24 02:12:14 2012 |
Masha | Update | PEM | BLRMS, MEDM, Triangulation | Today I worked with the BLRMS channels,
re-triangulated the seismometers (the STS
is now on the very end of the Y-arm, while |
|
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. |
|
7018
|
Tue Jul 24 12:06:41 2012 |
Masha | Update | PEM | New RMS channels, New C1PEM Overview | As Jenne suggested last night, I changed
the C1PEM overview in Epics. Previously,
the C1PEM_OVERVIEW.adl screen had two separate |
|
7019
|
Tue Jul 24 15:17:10 2012 |
Masha | Update | PEM | RMS Filters, PEM Sitemap | RMS Filters
How Den, Rana, and I chose RMS filters: |
  |
7020
|
Tue Jul 24 18:33:12 2012 |
Yaakov | Update | VIDEO | Centering the MCR camera | Jenne and I centered the MCR camera |
|
7021
|
Tue Jul 24 21:16:55 2012 |
Den | Update | digital noise | quantization test | I'm trying to get some intuition how digital
noise due to quantization shows up in iir
filters. I decided to do tests in C using |
 |
7022
|
Wed Jul 25 10:31:33 2012 |
Sasha | Summary | Simulations | SURF - Week 5 - Summary | This week I've been working on refining
my simulation and getting it |
   |
7023
|
Wed Jul 25 11:22:39 2012 |
Liz | Update | Computer Scripts / Programs | Week 6 update | This week,
I made several modifications to the Summary |
 |
7024
|
Wed Jul 25 11:25:27 2012 |
Masha | Update | General | Summary | This week, I have been mainly working on
my new neural network project, and working
with the BLRMS channels. |
|
7025
|
Wed Jul 25 11:34:31 2012 |
Eric | Summary | Simulations | SURF Update | I am continuing work on simulating the
DARM control loop. There is now a block for the length response |
 |
7026
|
Wed Jul 25 11:41:00 2012 |
Yaakov | Update | VIDEO | Centering the MCR camera |
|
|
7027
|
Wed Jul 25 12:00:21 2012 |
Yaakov | Update | STACIS | Weekly update | The past few days I've been working on
making a noise budget for the |
|
7028
|
Wed Jul 25 14:35:45 2012 |
Sasha | Summary | Simulations | SURF - Week 5 - Summary |
|
   |
7029
|
Wed Jul 25 15:33:55 2012 |
janosch | Update | LSC | ringdown measurement | We did our first ringdown measurement on
the Y arm. First we tried to keep the arm
locked in green during the ringdown, but |
|
7030
|
Wed Jul 25 16:31:01 2012 |
Jenne | Update | LSC | Yarm green locking to arm - PDH box saturating |
|
|
7031
|
Wed Jul 25 16:55:01 2012 |
Den | Update | digital noise | notch, lowpass filters | Direct Form 2 is noisy in the first
test. This is the one similar to Matt's in
his presentation. Input signal was a sine |
6x |
7032
|
Wed Jul 25 17:35:44 2012 |
Liz | Update | Computer Scripts / Programs | Summary Pages are in the right place! | The summary pages can now be accessed from
the "Daily Summary" link under
LOGS on the 40 meter Wiki page. |
|
7033
|
Wed Jul 25 22:16:36 2012 |
Koji | Update | LSC | ringdown measurement | Is this the step response of the single
pole low pass???
It should have an exponential decay, |
|
7034
|
Wed Jul 25 23:03:22 2012 |
rana | Update | digital noise | notch, lowpass filters | If the problem is the precision in DTT,
then why would the noise change when the
corner frequency of the filter is changed? |
|
7035
|
Thu Jul 26 02:44:17 2012 |
Jenne | Update | IOO | Centering the MCR camera | [Yaakov, Jenne]
The
short version: |
|
7036
|
Thu Jul 26 10:22:03 2012 |
Den | Update | digital noise | notch, lowpass filters |
|
   |
7037
|
Thu Jul 26 12:10:28 2012 |
Den | Update | CDS | new c1tst model for testing RCG code |
|
|
7038
|
Thu Jul 26 13:10:51 2012 |
janosch | Update | LSC | modelled ringdown | We fitted shutter and ringdown functions
to the ringdown data. It is not perfectly
clear how the power change due to the shutter |
|
7039
|
Thu Jul 26 15:43:03 2012 |
rana | Update | LSC | modelled ringdown | You cannot use the digital system for this.
You hook up a scope to the transmitted light
as well as the incoming light (after the |
|
7040
|
Thu Jul 26 16:08:59 2012 |
Yaakov | Update | STACIS | Noise plot update | I have a tentative noise plot for the STACIS
that includes accelerometer noise, geophone
noise, and platform motion with the STACIS |
   |
7041
|
Thu Jul 26 17:39:49 2012 |
Den | Update | digital noise | biquad key is working | I've filtered a 1 Hz sin wave excitation
with a notch filter inside c1sus and c1rfm
models. The biquad key is switched on in |
   |
7042
|
Thu Jul 26 21:31:44 2012 |
Den | Update | digital noise | online biquad works |
|
 |
7043
|
Fri Jul 27 14:27:14 2012 |
Jamie | Update | CDS | new c1tst model for testing RCG code |
|
|
7044
|
Fri Jul 27 14:28:36 2012 |
steve | Update | VAC | cold cathode gauges | Our cold
cathode 423 gauges are 10 years old.
They get insulated by age and show no ionization |
|
7045
|
Fri Jul 27 14:30:49 2012 |
Jamie | Update | digital noise | biquad key is working | What is "DQF"? Is that
the biquad? And what is the difference
between DF1 and DF2? Why don't you |
|
7046
|
Fri Jul 27 16:32:17 2012 |
Jamie | Update | CDS | RCG bug exposed by simple c1tst model | As Den mentioned in 7043,
attempting to run the c1tst model was causing
the entire c1iscey machine to crash. |
|
7047
|
Mon Jul 30 09:00:18 2012 |
steve | Update | PSL | PMC is still not fixed | The PMC was locking right the way, but
it's transmission would not go up.
Finally I get it back up by moving the "sticky" |
 |