Summary.

Measreument of the pupil wobble at Bin4 using the AO telemetry as data saved. The DMS was not avalable.

Acquire Bin1 close loop data, observed the 130Hz. Reduce TT acquire AO telemetry and Luci data for comparison.

Details.

Check movements of the swim arm.

left: ok to move to wroking

right : moving to working postiions: ok

Moveing to park positons : ok.

08:30 am WFS power on

set flat on

641 modes.

set rot speed from 5 to 1

bin4 wobble.

09:25am

Moving to angle 360

irc RotServicePosition 360.000000 left

Saved tracknum: 20221030_162419

Moving to angle 340

Saved tracknum: 20221030_162508

Moving to angle 320

Saved tracknum: 20221030_162557

Moving to angle 300

Saved tracknum: 20221030_162646

Moving to angle 280

Saved tracknum: 20221030_162734

Moving to angle 260

Saved tracknum: 20221030_162824

Moving to angle 240

Saved tracknum: 20221030_162913

Moving to angle 220

Saved tracknum: 20221030_163002

Moving to angle 200

Saved tracknum: 20221030_163051

Moving to angle 180

Saved tracknum: 20221030_163140

Moving to angle 160

Saved tracknum: 20221030_163229

Moving to angle 140

Saved tracknum: 20221030_163318

Moving to angle 120

Saved tracknum: 20221030_163408

Moving to angle 100

Saved tracknum: 20221030_163457

Moving to angle 80

Saved tracknum: 20221030_163546

Moving to angle 60

Saved tracknum: 20221030_163634

Saved tracknum: 20221030_163724

Moving to angle 20

Saved tracknum: 20221030_163812

Moving to angle 0

Saved tracknum: 20221030_163901

Moving to angle 0

Saved tracknum: 20221030_164216

Moving to angle 20

Saved tracknum: 20221030_164305

Moving to angle 40

Saved tracknum: 20221030_164359

Moving to angle 60

Saved tracknum: 20221030_164448

Moving to angle 80

Saved tracknum: 20221030_164537

Moving to angle 100

Saved tracknum: 20221030_164626

Moving to angle 120

Saved tracknum: 20221030_164715

Moving to angle 140

Saved tracknum: 20221030_164803

Moving to angle 160

Saved tracknum: 20221030_164852

Moving to angle 180

Luci exposing..

Saved tracknum: 20221030_164941

Moving to angle 200

Saved tracknum: 20221030_165030

Moving to angle 220

Saved tracknum: 20221030_165119

Moving to angle 240

Saved tracknum: 20221030_165208

Moving to angle 260

Saved tracknum: 20221030_165257

Moving to angle 280

Saved tracknum: 20221030_165346

Moving to angle 300

Saved tracknum: 20221030_165436

Moving to angle 320

Saved tracknum: 20221030_165524

Moving to angle 340

Saved tracknum: 20221030_165613

Moving to angle 360

Saved tracknum: 20221030_165702

Close loop bin1 checkout

disturbance s1.5

optimize gain: 20221030_172035; 1.96,0.57,0.52

tn:20221030_172333

_172423

gopt on: 172624,172709

modalSR:85

not oscillation

increase the TT : jump the oscillation at 240Hz.

_172836

_oscillation 130Hz.

_172940,

10K frames: _173007

stop@10:34

Shark refill and CO2 cleaning.

Restart: 12:58PM

Close loop Bin1 dists1.5

optimize: 20221030_195807:2.89,0.67,0.53

visible oscillation to 240Hz

peaks time to time of 130Hz.

total jitter below8mas.

reduce gaint TT to: 2.34,0.67,0.53

tt jitter below 6mas

reduced the 240Hz.

Tn stauck wait for timeout.

loop open.

adsecarb offline. only process down.

restart arbitrator and send preset again.

optimize gain: 20221030_202832; 2.45,0.57,0.54

hexapod shows some issues.

TN=luci:20221030_200242 (this is bad)

TN:_203210

increase TT to2.65

_203423

total jitter below5mas

increase TT to 2.94 (+20%)

starts to exite the 130Hz

TN:_203647

total jitter increased. peaks at 130Hz.

Loop open.

reclosed with gain TT2.14,0.67,0.53

TN:_203952

some 50Hz and 140Hz total jitter below 6mas

optimize gain:20221030_204122;2.81,0.67,0.58

TN:_204256

reduces gain tt by 20%

TT:2.21,0.67,0.58

TN:_204512

shell rest.

Work to recover the hexapod.

open breakes. remove TT offload.

set the shell.

641 modes flat

resend preset.

optimize gain:20221030_205530:2.81,0.57,0.52

TN:_210020

jitter at240Hz.

total jitter<6mas.

increase to 2.96,0.57,0.52

oscillating 130Hz.

still low totla jitter, but it is visible the 130Hz., peak at240Hz.

_210228

increae tt:3.06,0.57,0.56

jitter@240Hz, also visible 130Hz.

The 130 is not always present.

_210357

reduce ho1->0.47, ho2->0.37

TN:_210551

reduced gains to 2.41,0.47,0.37

TN:_210750

gopt on:

_211019

increase gopt TT to 1.51`

TN:_211727

increase TT to 1.66, visible the 130Hz

TN:_211851,_212041

ncpaon

reduced gain tt1.21

_212148

tim called, theny need access to the LBTI right side.

handover to Doug at 2:30PM

-- JuanCarlosGuerra - 30 Oct 2022
Topic revision: r4 - 16 Nov 2022, JuanCarlosGuerra
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