| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
6506
|
Sat Apr 7 01:56:05 2012 |
kiwamu | Update | LSC | OSA signal in DRMI condition | It wasn't a dream or illusion -- I was
locking the DRMI to the right condition last
Wednesday (#6489). |
|
|
6505
|
Sat Apr 7 01:45:02 2012 |
Mike J. | Update | Computers | Even Better Hysteresis Model and Plots | The new hysteresis model is slightly
based on the SHO equation, but with the force
being out of phase with the position by an |
|
|
6504
|
Sat Apr 7 00:31:12 2012 |
keiko | Update | LSC | RAM simulation for Full ifo | I didn't
understand how CARM can be decreased 2 orderes
of magnitude and PRCL can be INCREASED by |
|
|
6503
|
Fri Apr 6 20:38:41 2012 |
Mike J. | Update | Computers | Sensoray | Turns out that the "MPEG-4 VES"
video format is just bad for captured video.
Everything except "MP4" and "MPEG-TS" |
|
|
6502
|
Fri Apr 6 20:24:31 2012 |
Mike J. | Update | Computers | Sensoray | The Sensoray device is currently viewing
Monitor 4 and plugged into Pianosa.
The user interface is run at /home/controls/Downloads/sdk_2253_1.2.2_linux/python |
|
|
6501
|
Fri Apr 6 20:05:12 2012 |
Jamie | Summary | General | Laser Emergency Shutoff | We reset the interlock and restarted the
PSL. The end AUX lasers seem to have
come back online fine. PMC and mode |
|
|
6500
|
Fri Apr 6 19:40:57 2012 |
Mike J. | Summary | General | Laser Emergency Shutoff | I accidently shut off the laser at 19:34
with the emergency shutoff button while trying
to tap into a video line for the Sensoray |
|
|
6499
|
Fri Apr 6 19:04:35 2012 |
Jenne | Update | PEM | STS releveled, GUR2 plugged in | [Den, Jenne]
We were wondering why the STS-2 signal
was funny. When I went to look at it, |
|
|
6498
|
Fri Apr 6 16:35:37 2012 |
Den | Update | Computers | c1ioo | c1ioo computer can not connect to the framebuilder
and everything is red in the status for this
machine, C1:FEC-33_CPU_METER is not moving. |
|
|
6497
|
Fri Apr 6 16:22:15 2012 |
Den | Update | Environment | seism box | I've changed R2 resistor in the seism box
for the VERT 1 channel from 464 Ohm to 1051
Ohm to reduce the gain of this channel by |
|
|
6496
|
Fri Apr 6 15:06:05 2012 |
Den | Update | IOO | 1 Hz resonance | I think we can try to damp 1 Hz resonance
more. In September it was not seen because
of the digital noise. After we've figured |
|
|
6495
|
Fri Apr 6 14:39:21 2012 |
Jamie | Update | Computers | RAID array is rebuilding.... | The RAID (JetStor SATA 416S) is indeed
resyncing itself after a disk failure.
There is a hot spare, so it's stable for |
|
|
6494
|
Fri Apr 6 11:32:09 2012 |
Jenne | Update | Computers | RAID array is rebuilding.... | Suresh reported to Den, who reported to
me (although no elogs were made.....) that
something was funny with the FB. I |
|
|
6493
|
Fri Apr 6 11:14:34 2012 |
Jenne | Update | Adaptive Filtering | static and adaptive |
|
|
|
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 |
|
|
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 |
|
6490
|
Thu Apr 5 18:24:55 2012 |
Den | Configuration | Adaptive Filtering | oaf starts to work | Today I tried to make the lms filter to
work online. I played around with the signals
(GUR1_X and MC_F) to pre-whiten them and |
|
|
6489
|
Thu Apr 5 07:19:16 2012 |
kiwamu | Update | LSC | DRMI locking | I
tried locking the DRMI to the signal-extraction
condition with the new trigger by AS110. |
|
|
6488
|
Thu Apr 5 06:27:51 2012 |
kiwamu | Update | LSC | AS110 sideband monitor installed | [Jenne / Kiwamu]
We |
|
|
6487
|
Thu Apr 5 01:07:08 2012 |
Mike J. | Update | Computers | Hysteresis Plots | Here are the hysteresis plots from the
most recent
model, which uses a modified harmonic |
|
|
6486
|
Wed Apr 4 23:57:35 2012 |
keiko | Update | LSC | RAM simulation for Full ifo | I'm still wondering whether iteration
version or simple version is closer approximation
to the real situation. Sorry for few explanations |
|
|
6485
|
Wed Apr 4 21:43:16 2012 |
Mike J. | Update | Computers | Better Hysteresis Model | A better hysteresis model based on the
simple harmonic oscillator equation. Useless
variables have been removed and output can |
|
|
6484
|
Wed Apr 4 13:25:29 2012 |
jamie | Configuration | PEM | PEM_SLOW (i.e. seismic RMS) channels aquiring |
|
|
|
6483
|
Tue Apr 3 22:50:37 2012 |
keiko | Update | LSC | RAM simulation for Full ifo | Koji and
Jamie suggested me to include the coupling
between DoFs when I calculate the last matrix. |
|
|
6482
|
Tue Apr 3 15:50:58 2012 |
keiko | Update | LSC | RAM simulation for Full ifo | Oops,
Yesterday's results for DARM was wrong! |
|
|
6481
|
Tue Apr 3 14:17:18 2012 |
keiko | Update | LSC | RAM simulation for Full ifo | I add a flow-chart drawing what the scripts
do and how the scripts calculate the LSC
matrix. |
|
|
6480
|
Tue Apr 3 14:11:33 2012 |
keiko | Update | LSC | RAM simulation for Full ifo |
|
|
|
6479
|
Tue Apr 3 12:42:19 2012 |
Mike J. | Update | Computers | Hysteresis Model | Here's my first hysteresis model in Simulink.
It's based on the equation y=Amplitude*sin(frequency*t+phase)+(hysteresis/frequency2)
as a solution to y''+frequency2*y+hysteresis=0. |
|
|
6478
|
Tue Apr 3 01:52:15 2012 |
Zach | Update | LSC | RAM simulation for Full ifo |
|
|
|
6477
|
Mon Apr 2 23:06:38 2012 |
Suresh | Update | IOO | Beam Profile measurement: IPPOS beam: Mystery deepens |
|
|
|
6476
|
Mon Apr 2 18:58:32 2012 |
Jenne | Update | IOO | Beam Profile measurement: IPPOS beam | Suresh noted that I never wrote down the
waist positions of the beam propagated through
the MMT (based on where we think it is from |
|
|
6475
|
Mon Apr 2 18:24:34 2012 |
keiko | Update | LSC | RAM simulation for Full ifo | I extended my RAM script from DRMI
(3DoF) to the full IFO (5DoF).
Again, it calculates the operation |
|
|
6474
|
Sat Mar 31 08:01:07 2012 |
kiwamu | Update | LSC | DRMI measurement | I have measured the sensing matrix of the
DRMI although the lock still doesn't stay
for a long time. |
|
|
6473
|
Fri Mar 30 17:37:09 2012 |
steve | Update | General | cutting green welding glass for beam dumps |
|
|
|
6472
|
Fri Mar 30 10:24:14 2012 |
steve | Update | SUS | new OSEM locking plunger |
|
|
|
6471
|
Fri Mar 30 10:20:51 2012 |
kiwamu | Update | LSC | locking last night | I was trying to make the DRMI lock more
robust.
Increasing the gains of the oplev |
|
|
6470
|
Fri Mar 30 09:37:13 2012 |
steve | Update | SAFETY | safety audit 2012 CORRECTIONS |
|
|
|
6469
|
Fri Mar 30 08:58:37 2012 |
steve | Update | SAFETY | Safety glasses checked | Bob cleaned all safety glasses in 10 %
Liquinox soap in water solution first.
The transmittance of glasses were checked |
|
|
6468
|
Thu Mar 29 20:13:21 2012 |
jamie | Configuration | PEM | PEM_SLOW (i.e. seismic RMS) channels added to fb master | I've added the PEM_SLOW.ini file to the
fb master file, which should give us the
slow seismic RMS channels when the framebuilder |
|
|
6467
|
Thu Mar 29 19:13:56 2012 |
Jamie | Omnistructure | Computers | Wireless router for GC | I retrieved the newly "secured"
router from Junaid. It had apparently
been hooked up to the GC network via it's |
|
|
6466
|
Thu Mar 29 18:42:11 2012 |
keiko | Update | LSC | POP22/POP110 amplifires | Adding two amplifiers on POP22/110,
I checked the signals going to the dmod board
of 22 and 110. |
|
|
6465
|
Thu Mar 29 13:23:05 2012 |
Jenne | Omnistructure | Computers | Wireless router for GC |
|
|
|
6464
|
Thu Mar 29 11:29:27 2012 |
keiko | Update | LSC | POP22/POP110 amplifires | Yesterday I and Kiwamu connected two amplifiers
(mini-circuit, ZFL-1000LNB+) for POP22/110.
Dataviewer can see some signals. I'll test |
|
|
6463
|
Wed Mar 28 21:15:53 2012 |
rana | Omnistructure | Computers | Wireless router for GC | I installed a NETGEAR Wireless Router (WPN824N)
today on the 131 network. The admin password
for it as well as the wireless access password |
|
|
6462
|
Wed Mar 28 20:54:02 2012 |
Jenne | Update | IOO | Beam Profile measurement: IPPOS beam | I fitzed by hand with the numbers for the
incident angles on MMT1 and MMT2, and then
let the code optimize the position of MMT1 |
|
|
6461
|
Wed Mar 28 18:26:47 2012 |
Jenne | Update | IOO | Beam Profile measurement: IPPOS beam | More calculations....
Game Plan: Using MC
waist measured beam as the starting point |
|
|
6460
|
Wed Mar 28 01:17:29 2012 |
Jenne | Update | IOO | Beam Profile measurement: IPPOS beam | As I was a little dissatisfied with the
inaccuracy in the distance numbers in Kiwamu's
sketch, I went back to the 18 Dec 2010 table |
|
|
6459
|
Tue Mar 27 23:37:35 2012 |
Suresh | Update | IOO | Beam Profile measurement: IPPOS beam |
|
|
|
6458
|
Tue Mar 27 21:37:51 2012 |
keiko | Configuration | IOO | Beam Profile measurement: IPPOS beam | From the mode measurement I and Suresh
have done yesterday, I calculated what beam
size we expect at ETM ((1) upper Fig.1) and |
9x |
|
6457
|
Tue Mar 27 21:20:32 2012 |
Jenne | Update | IOO | Beam Profile measurement: IPPOS beam |
|
|