-- RunaBriguglio - 25 Oct 2010

test on gains to optimize settling time
gain settime
ring der pro 1.37
14 25 6
12-13 30 13
---------------------------------------------------------------
14 10 6 1.14 residuo sul bordo con il modo 147
12-13 30 13
---------------------------------------------------------------
14 10 6 1.11
12-13 26 13
---------------------------------------------------------------
14 10 6 1.08
12-13 24 13
---------------------------------------------------------------
14 10 6 1.07
12-13 22 13
---------------------------------------------------------------
14 10 6 1.08 non c'è più residuo
12-13 24 13
11 28 13
---------------------------------------------------------------
14 10 6 1.08 non c'è più residuo
12-13 24 13
11 26 13
---------------------------------------------------------------
14 10 6 1.04 non c'è più residuo
12-13 20 13
11 26 13
---------------------------------------------------------------
14 10 6 1.04 non c'è più residuo
12-13 20 13
11 20 13

final gains: ring 14, der=0.10

ring 12 and 13, der=0.24

two grey cable are pushing the accelerometers corresponding to crates 1 and 2

Torque with membrane and miniskirt

clamping ring of membrane: 0.56Nm

miniskirt screws on coldplate: 0.20Nm

miniskirt screws on retention ring: 0.15Nm

Final test

125730 shell set

slew start 125820

stop 130040 no errors

step_script settling time max=1.08ms, some residuals on the high order mode tested (FF?)

test_noise 131416

step at 45°elev 131610..
Topic revision: r2 - 25 Oct 2010, RunaBriguglio
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