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Entry  Wed Jan 28 23:53:24 2015, Koji, Summary, ASC, Xarm ASS fix 12.png
    Reply  Wed Feb 4 18:27:55 2015, Koji, Summary, ASC, Xarm ASS fix 
Message ID: 10952     Entry time: Wed Jan 28 23:53:24 2015     Reply to this: 10974
Author: Koji 
Type: Summary 
Category: ASC 
Subject: Xarm ASS fix 

X-Arm ASS was fixed.
ASS_DITHER_ON.snap was updated so that the new setting can be loaded from the ASS screen.

The input and output matrices and the servo gains were adjusted as found in the attached image.
The output matrix was adjusted by looking at the static response of the error signals when a DC offset
was applied to each actuator.

The servo was tested with misalignment of the ITM, ETM, and BS. In fact, the servo restored transmission
from 0.15 to 1.

The resulting contrast after ASSing was ~99% level. (I forgot to record the measurement but the dark fringe level of ASDC was 4~5count.)

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