| ID |
Date |
Author |
Type |
Category |
Subject |
Text |
 |
|
8779
|
Fri Jun 28 02:12:21 2013 |
manasa | Update | LSC | PRMI + X arm ALS | X arm stabilized
using ALS while PRMI stayed locked |
|
|
8778
|
Thu Jun 27 23:18:46 2013 |
jamie | Update | Computer Scripts / Programs | WARNING: Matlab upgraded |
|
|
|
8777
|
Thu Jun 27 23:01:39 2013 |
gautam | Update | General | ITMx Oplev-servo gains adjusted |
With rana's input, I changed
the ITMx oplev servo gains given the beam |
|
|
8776
|
Thu Jun 27 22:52:38 2013 |
Rana, Gabriele, Francesco | Summary | Computer Scripts / Programs | LIGO-DV installed | I installed ligoDV in the /ligo/apps/ligoDV/
Now, by pointing the tool at the
local NDS2 server (megatron:31200) you can |
|
|
8775
|
Thu Jun 27 22:05:25 2013 |
rana | Update | General | Pianosa fixed | The keyboard on Pianosa workstation has
been flaky for the last several days at least.
Today, it was having troubles mounting the |
|
|
8774
|
Thu Jun 27 21:59:42 2013 |
rana | Update | Computer Scripts / Programs | Matlab upgraded | I moved the old matlab directory from /cvs/cds/caltech/apps/linux64/matlab_o |
|
|
8773
|
Thu Jun 27 21:45:48 2013 |
rana | Update | PEM | BLRMS are going crazy | Its an increase in the microseismic peak.
Don't know what its due to though. |
|
|
8772
|
Thu Jun 27 19:17:03 2013 |
manasa | Update | LSC | Xarm ALS out-of-loop noise | Measured
frequency noise is ~10Hz/rtHz @100Hz. |
|
|
8771
|
Thu Jun 27 18:24:25 2013 |
Charles | Update | ISS | CTN Servo Prototype Characterization - Done Correctly | As I showed in [elog
8759], measuring the transfer function
of my prototype servo was difficult due to |
|
|
8770
|
Thu Jun 27 18:11:53 2013 |
gautam | Update | General | ITMx Oplev-POX looks beam okay |
Jenne just aligned the X arm
and I got a chance to check the status of |
|
|
8769
|
Thu Jun 27 17:49:17 2013 |
manasa | Update | Green Locking | c1als model edited |
|
|
|
8768
|
Thu Jun 27 17:41:08 2013 |
Annalisa | Update | Green Locking | ETMY -beat note found! |
Y |
|
|
8767
|
Thu Jun 27 17:09:41 2013 |
Jenne | Update | LSC | PRCL locking again - POP PIT work | Last night before dinner, I copied over
the ASC yaw servo filters to the ASC pitch
filter bank. Using ASC gain of +0.001, |
|
|
8766
|
Thu Jun 27 17:04:49 2013 |
Jenne | Update | safety | Nitrogen bottle too hot - overpressured | All of us in the control room / desk area
heard a sudden whoosh of air a few minutes
ago. It kind of sounded like a pressure |
|
|
8765
|
Thu Jun 27 15:58:27 2013 |
Steve | Update | PEM | PSL enclosure particle counts |
Particle counts were measured
inside the PSL enclosure at 40VAC variac |
|
|
8764
|
Thu Jun 27 15:50:03 2013 |
Jenne | Update | PEM | BLRMS are going crazy | The BLRMS are totally crazy today!
I'm not sure what the story is, since it's
been this way all day (so it's not an earthquake, |
|
|
8763
|
Thu Jun 27 10:45:41 2013 |
Steve | Update | General | 40MARS wireless network problems |
|
|
|
8762
|
Thu Jun 27 05:44:51 2013 |
rana | Update | | 40MARS wireless network problems |
|
|
|
8761
|
Thu Jun 27 02:44:33 2013 |
rana | Update | Green Locking | c1als model edited | Could be that this is OK, but it
doesn't yet make sense to me. Can you please
explain in words how this manages to apply |
|
|
8760
|
Wed Jun 26 23:32:15 2013 |
Manasa | Update | Green Locking | c1als model edited | I have modified the ALS model to now include
PHASE_OUT calibration for both X and Y. MEDM
screen has not been edited to include these |
|
|
8759
|
Wed Jun 26 21:52:55 2013 |
Charles | Update | ISS | CTN Servo Prototype Characterization | Following the circuit
design in elog 8748, I constructed
a prototype for the servo portion of the |
|
|
8758
|
Wed Jun 26 19:02:38 2013 |
gautam | Update | General | ITMx Oplev (not quite?) Fixed |
Summary:
Steve and I tried to fix the Oplev |
|
|
8757
|
Wed Jun 26 15:11:08 2013 |
John Zweizig | Update | SUS | NDS2 Status |
|
|
|
8756
|
Wed Jun 26 13:37:13 2013 |
Jenne | Update | IOO | MC very misaligned - put back | Not sure why it was so poorly aligned,
since the misalignment "event"
happened while we were all away at lunch, |
|
|
8755
|
Wed Jun 26 11:45:06 2013 |
gautam | Update | General | PID tuning-Doubling Oven at Y end |
Summary
Having established the serial link |
|
|
8754
|
Wed Jun 26 11:32:11 2013 |
Manasa | Update | Green Locking | c1als model edited | I have added more DAQ channels to the c1als
model. Installed and restarted the model
on c1ioo. Frame builder restarted. |
|
|
8753
|
Wed Jun 26 04:38:02 2013 |
Jenne | Update | LSC | PRCL locking again - ASC success | With Rana's help/supervision/suggestions,
I have closed the loop on the PRMI ASC servo
with the new QPD. I think I've |
|
|
8752
|
Wed Jun 26 01:30:31 2013 |
rana | Summary | PEM | Variation in 10-30 Hz seismic RMS | For quite a while (no one knows how long),
we've seen fluctuations in the 10-30 Hz seismic
motion. This shows up as the purple trace |
|
|
8751
|
Wed Jun 26 00:15:51 2013 |
Annalisa | Update | Green Locking | ETMY - green locking and beat note setup | [Koji, Annalisa]
Alignment improving
The alignment of the green |
|
|
8750
|
Tue Jun 25 23:57:30 2013 |
rana | Update | SUS | NDS2 Status | I've restarted the NDS2 process on Megatron
so that we can use it for getting past data
and eventually from outside the 40m. |
|
|
8749
|
Tue Jun 25 23:49:04 2013 |
Annalisa | Update | SUS | ETMY Oplev | I had some problem with the Oplev Servo
today. I was working at the mode matching
fine tuning and I left the Oplev servo enabled |
|
|
8748
|
Tue Jun 25 22:57:01 2013 |
Charles | Update | ISS | Proposed ISS for CTN Experiment | Following Tara's noise
budget, I have developed the following
ISS, whose transfer function was computed |
|
|
8747
|
Tue Jun 25 22:50:12 2013 |
rana | Update | SUS | SUS Screens generation problems? | |
|
|
8746
|
Tue Jun 25 19:18:07 2013 |
gautam | Configuration | endtable upgrade | plan of action for PZT installation | This entry is
meant to be a sort of inventory check and |
|
|
8745
|
Tue Jun 25 12:42:16 2013 |
gautam | Update | General | Serial-interface with Doubling Oven at Y end | Summary
I have been working on setting up
a serial-link with the temperature controller |
|
|
8744
|
Tue Jun 25 11:39:13 2013 |
Koji | Update | LSC | Arm Cavity scan with X-ALS after ALS servo upgrade | My understanding is that that number is
an in-loop evaluation of the loop so far
(as the first step of the loop evaluation). |
|
|
8743
|
Tue Jun 25 10:23:20 2013 |
Steve | Update | safety | surf safety training | Alex Cole and Craig Cahillane received
40m specific, basic safety training
last week. |
|
|
8742
|
Tue Jun 25 10:18:34 2013 |
Mystery Man | Update | LSC | Arm Cavity scan with X-ALS after ALS servo upgrade |
|
|
|
8741
|
Tue Jun 25 00:28:52 2013 |
rana, manasa | Update | LSC | Arm Cavity scan with X-ALS after ALS servo upgrade | [Rana, Manasa]
ALS noise suppressed to |
6x |
|
8740
|
Tue Jun 25 00:13:00 2013 |
Jenne | Update | CDS | Proto-ASC implemented in ASS model | I have finished my work on the LSC and
ASS models for now. The triggering is all
implemented, and should be ready to go. |
|
|
8739
|
Mon Jun 24 16:41:40 2013 |
Jenne | Update | CDS | Proto-ASC implemented in ASS model | I am working on making the Proto-ASC less
"proto". I have put IPC senders
in the LSC model to send the cavity trigger |
|
|
8738
|
Mon Jun 24 16:06:17 2013 |
Manasa | Summary | Green Locking | ALS model | I am working on the basic
ALS servo model. The simulink model for the
same is attached. The loop is not yet complete |
|
|
8737
|
Mon Jun 24 11:51:23 2013 |
Jenne | Update | LSC | New modeled sensing matrix |
|
|
|
8736
|
Fri Jun 21 16:30:04 2013 |
Steve | Update | General | Capacitor Inventory | The 3 Panasonic Ceramic Kits Books, 1206
NPO, SMT are well stocked. The 4 th one needs
to be refilled at some values. |
|
|
8735
|
Thu Jun 20 20:46:16 2013 |
gautam | Update | IOO | WFS debugging-QPD debugging |
I wanted to make sure that
the QPD map on the C1IOO_MC_TRANS_QPD.adl |
|
|
8734
|
Thu Jun 20 17:47:44 2013 |
Annalisa | Configuration | SUS | ETMY oplev servo | [Jenne, Annalisa]
The ETMY Oplev servo didn't work
properly, when it was activated the ETMY |
|
|
8733
|
Thu Jun 20 15:15:39 2013 |
rana | Update | IOO | WFS debugging | Tried a bunch of stuff, but eventually
just turned off the TRANS_QPD loops and loops
are stable. Needs more debugging. |
|
|
8732
|
Thu Jun 20 09:33:42 2013 |
Steve | Update | General | cleanup | Office work benches were cleaned up yesterday.
Anti-image filter boards were moved to north
wall of the control room. Koji's pd- electronics |
|
|
8731
|
Thu Jun 20 01:13:18 2013 |
Jenne | Update | LSC | PRCL locking again - no ASC success | I didn't have any success with the ASC
tonight. I copied over the filters
that Koji had used in elog |
|
|
8730
|
Wed Jun 19 23:50:44 2013 |
Jenne | Update | LSC | PRCL locking again | This is a mid-evening update, so I don't
forget all the stuff I've already done.
Aligned PRMI, no nice flashes on |
|