Differences between revisions 1 and 2
⇤ ← Revision 1 as of 2018-04-24 16:36:56 →
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Editor: AyakaShoda
Comment:
← Revision 2 as of 2018-04-24 16:37:08 → ⇥
Size: 579
Editor: AyakaShoda
Comment:
Deletions are marked like this. Additions are marked like this.
Line 9: Line 9:
 * mirror position offset relative to the tank: (-9.4, +0.5, -6.4)
 *[[https://gwdoc.icrr.u-tokyo.ac.jp/DocDB/0074/T1707433/001/PR2_171115.pdf|details]]

BS suspension information

Contents

  1. position
    1. FARO measurement
    2. GAS default height (LVDT readout)
  2. suspension parameters
    1. resonant frequencies
    2. position of the COM
  3. sensor & actuator parameters
    1. Oplev calibration
    2. OSEM calibration
    3. LVDT calibration
    4. actuation efficiency

position

FARO measurement

GAS default height (LVDT readout)

  • BF GAS LVDTIN:
  • F1 GAS LVDTIN:
  • F0 GAS LVDTIN:

suspension parameters

resonant frequencies

KAGRA/Subgroups/VIS/TypeB/BSdetail/PR2reqfreqs.pdf

position of the COM

calculated from the resonant frequencies.

sensor & actuator parameters

Oplev calibration

OSEM calibration

LVDT calibration

actuation efficiency

KAGRA/Subgroups/VIS/TypeB/BSdetail (last edited 2022-03-08 14:11:07 by hiromi.yasui)