| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
4935
|
Sun Jul 3 21:18:06 2011 |
rana | Update | Computer Scripts / Programs | statScreen scripts dead since Feb 4 / now revived | This
CSHRC mangling on Feb 4 did more than
re-arrange FB binaries. |
|
|
7497
|
Sun Oct 7 23:39:10 2012 |
Den | Update | Modern Control | state estimation | I've applied online state estimation technique
using Kalman filter to LQG controller. It
helps to estimate states that we do not measure. |
|
|
7499
|
Mon Oct 8 09:51:30 2012 |
rana | Update | Modern Control | state estimation |
I guess that the estimated
state has the same low pass filter, effectively, |
|
|
7503
|
Mon Oct 8 12:34:52 2012 |
Den | Update | Modern Control | state estimation |
|
|
|
6492
|
Fri Apr 6 10:31:07 2012 |
Den | Update | Adaptive Filtering | static and adaptive | I've run static and adaptive filters simultaneously.
AA32 filters rotate the phase of the witness
signals GUR1X and GUR1Y and now the performance |
|
|
6493
|
Fri Apr 6 11:14:34 2012 |
Jenne | Update | Adaptive Filtering | static and adaptive |
|
|
|
6491
|
Fri Apr 6 09:57:24 2012 |
Den | Update | Adaptive Filtering | static starts to work | I made static filter to work to evaluate
the actuator TF.. Here is the result of static
filtering: |
7x |
|
6296
|
Sat Feb 18 17:01:26 2012 |
Den | Update | Adaptive Filtering | static variables | In order to prevent different DOF from
redetermining static variables in the adaptive
code, I've created a separate code for each |
|
|
3999
|
Tue Nov 30 16:02:18 2010 |
josephb | Update | CDS | status | Issues:
1) Turns out the /opt/rtcds/caltech/c1/target/gds/param/testpoint.par
file had been emptied or deleted at one point, |
|
|
3681
|
Fri Oct 8 17:35:24 2010 |
josephb | Update | CDS | status of c1ioo, c1sus and rfm | RFM is still not working.
I can see data on a filter just before it
reaches the RFM sending code, but I see only |
|
|
1302
|
Fri Feb 13 16:30:49 2009 |
steve | Configuration | General | status quo is disturbed | I have been getting ready for the annual
safety inspection in the past 2-3 days.
Meaning cleaning up and disturbing |
|
|
4917
|
Thu Jun 30 03:26:40 2011 |
kiwamu | Update | ABSL | status update | Status
update of the absolute length (ABSL) measurement: |
|
|
4694
|
Wed May 11 22:52:55 2011 |
kiwamu | Update | LSC | status update and plan | Rana forced
me to write this entry for summary because |
|
|
6102
|
Sat Dec 10 05:27:43 2011 |
kiwamu | Update | Green Locking | status update of the Y arm green lock | Status
update of the Y arm green lock: |
|
|
6103
|
Sun Dec 11 17:28:36 2011 |
kiwamu | Update | Green Locking | status update of the Y arm green lock |
|
|
|
4174
|
Thu Jan 20 04:43:28 2011 |
kiwamu | Update | Green Locking | status update: PLL connected to ADC | I
connected the PLL signal to the ADC on c1ioo. |
|
|
4176
|
Thu Jan 20 15:15:39 2011 |
kiwamu | Update | Green Locking | status update: PLL connected to ADC | I
realized that the black AA board I mentioned |
|
|
7089
|
Mon Aug 6 10:53:32 2012 |
steve | Update | VAC | status: vauum normal |
The power outage did not have
any effect on the vacuum system. I |
|
|
7682
|
Wed Nov 7 15:17:15 2012 |
Steve | Update | Alignment | steering option with pico motor? | We have two ready for vacuum 1.5" mirror mounts
with pico motors in our hands.
|
|
|
9187
|
Thu Oct 3 00:01:59 2013 |
rana, jenne | HowTo | LSC | steps to full IFO | In moving now to full |
|
|
9189
|
Thu Oct 3 01:18:57 2013 |
Koji | HowTo | LSC | steps to full IFO | I vote on PRMI+1arm -> PRFPMI |
|
|
6678
|
Thu May 24 16:39:47 2012 |
steve | Update | General | steve's webpage example | 3 strip charts monitoring on 24 hours time
scale: Vac, PSL-IFO, SUS and
10 channel video monitoring inside - outside |
|
|
1777
|
Wed Jul 22 11:18:49 2009 |
rob | Configuration | Computers | sticky sliders |
|
|
|
1359
|
Thu Mar 5 01:09:29 2009 |
rana, alberto | Update | DMF | still not working | We tried to run DMF on mafalda, but it didn't
work. I tried to compile it using Rob's elog
instructions.
|
|
|
12183
|
Wed Jun 15 11:21:51 2016 |
jamie | Update | CDS | still work to do to transition to new configuration/code | Just to be clear, there's still quite
a bit of work to fully transition the 40m
to this new system/configuration. Once |
|
|
4789
|
Mon Jun 6 17:28:31 2011 |
steve | Update | Computers | still, no PEM channels |
|
|
|
5361
|
Wed Sep 7 18:19:37 2011 |
steve | HowTo | VAC | stop pump down for overnight |
|
|
|
3854
|
Wed Nov 3 16:49:31 2010 |
steve | Update | General | storage cabinet is in place | The south end of IFO room 104 was reshuffled.
The flow bench was moved all the way to the
south end to create more room for the crane |
|
|
6045
|
Tue Nov 29 22:19:26 2011 |
Den | Update | digital noise | straight line | I tried to understand what part of
the signal is corrupted while passing through
a digital straight line without any filters. |
|
|
4728
|
Mon May 16 17:11:28 2011 |
steve | Update | Electronics | strain relieved 1X1 | 1X1 is strain relieved in the back. I will
use similar approach on the rest of the racks
. |
|
|
4475
|
Thu Mar 31 11:30:51 2011 |
steve | Configuration | General | strain relieved rf cables | I strain relieved RF cables labeled 33
MHZ LO and 166 MHZ to EOM at 1X2 This
is a temporary setup for the 11 MHZ |
|
|
4036
|
Thu Dec 9 12:24:46 2010 |
kiwamu | Update | SUS | strange ETMX suspension | [Koji, Osamu and Kiwamu]
We
found that the ETMX free swinging spectra |
|
|
658
|
Fri Jul 11 00:30:24 2008 |
rob | Metaphysics | Computers | strange SUS controllers |
[I]rob, johnnie[B]M[/B][/I]
|
|
|
11815
|
Wed Nov 25 23:17:34 2015 |
yutaro | Update | LSC | strange behavior of ASDC | [yutaro, Koji]
I noticed that ASDC level changes
depending on the angle of ITMY when trying |
|
|
11827
|
Mon Nov 30 16:33:06 2015 |
ericq | Update | LSC | strange behavior of ASDC | One possible explanation of this behavior is
simply poor centering of the AS beam
on AS55 (whose DC level provides ASDC, if |
|
|
11829
|
Mon Nov 30 18:27:30 2015 |
Koji | Update | LSC | strange behavior of ASDC | It wasn't fully mentioned in ELOG
11814.
We checked the PD first and this behavior |
|
|
11870
|
Thu Dec 10 12:33:04 2015 |
yutaro | Update | LSC | strange behavior of ASDC | I did additional tests for the strange
behavior of ASCD. ETMY, ETMX and ITMY were
misaligned so that only light reflected by |
|
|
11871
|
Thu Dec 10 19:53:22 2015 |
yutaro | Update | LSC | strange behavior of ASDC | To check if the strange behavior of ASDC
is caused by SR2/SR3 or not, I did the following
measurement: |
|
|
13132
|
Sun Jul 23 15:00:28 2017 |
Jamie | Omnistructure | VAC | strange sound around X arm vacuum pumps | While walking down to the X end to reset
c1iscex I heard what I would call a "rythmic
squnching" sound coming from under the |
|
|
6184
|
Tue Jan 10 09:17:23 2012 |
steve | Update | Photos | strawman's visiters | |
|
|
2650
|
Tue Mar 2 12:20:54 2010 |
kiwamu | Update | PSL | stray beam | In order to block stray beams, I have
put some beam dumps and razor blades on the
PSL table. |
|
|
6698
|
Tue May 29 00:48:51 2012 |
Den | Update | PEM | sts readout box | STS readout box seems to be partly broken.
I've terminated inputs from the seismometer
and measured the output. I could not do this |
|
|
6427
|
Sun Mar 18 00:29:24 2012 |
Den | Update | PEM | sts-2 | I've turned off the power of the STS-2
readout box as it provides outputs with ~10
Volts DC offset! AA filter box works in the |
|
|
6747
|
Sun Jun 3 01:30:07 2012 |
Den | Update | PEM | sts-2 and guralp in isolation box | We have 2 sts-2 readout box - pink and
blue. Pink outputs 12 DVC - this a problem
of amplifier. This box has a rectifier (the |
|
|
6818
|
Thu Jun 14 21:37:37 2012 |
yuta | Update | Green Locking | succeeded in 1FSR mode scan | [Jenne, Yuta]
We couldn't scan the Y arm for 1FSR |
|
|
5985
|
Wed Nov 23 00:30:55 2011 |
Zach | Update | elog | sucks | Tried the script 3 times and it didn't
come back. Pkill'd and then scripted. That
worked. |
|
|
255
|
Wed Jan 23 11:41:06 2008 |
steve | Update | PEM | sulfur smell in 40m | Led - acid car batteries were overcharged
in the machine shop next door
and sulfuric acid smell is coming over to |
|
|
12543
|
Mon Oct 10 17:27:29 2016 |
rana | Update | DMF | summar pages dead again | Been non-functional for 3 weeks. Anyone
else notice this? images missing since ~Sep
21. |
|
|
12544
|
Mon Oct 10 17:42:47 2016 |
Max Isi | Update | DMF | summar pages dead again | I've re-submitted the Condor job; pages
should be back within the hour.
|
|
|
12548
|
Tue Oct 11 08:09:46 2016 |
Max Isi | Update | DMF | summar pages dead again | Summary pages will be unavailable today
due to LDAS server maintenance. This is unrelated
to the issue that Rana reported. |
|