SR3 suspension information
position
FARO measurement
GAS default height (LVDT readout)
- BF GAS LVDTIN:
- F1 GAS LVDTIN:
- F0 GAS LVDTIN:
suspension parameters
resonant frequencies
position of the COM
calculated from the resonant frequencies.
sensor & actuator parameters
Oplev calibration
OSEM calibration
IM-stage
number# |
for which? |
calibration factor [um/cnt] |
linear range [cnt] |
noise level at 10 Hz |
|
|
|
|
|
No#53 |
IM-V1 |
0.078991 |
1600-12500 |
|
No#54 |
IM-V2 |
0.079014 |
1480-12600 |
|
No#55 |
IM-V3 |
0.083248 |
1500-12000 |
|
|
|
|
|
|
No#56 |
IM-H1 |
0.074347 |
1390-14200 |
|
No#57 |
IM-H2 |
0.070756 |
1370-14700 |
|
No#58 |
IM-H3 |
0.088711 |
1450-11100 |
|
GAS-LVDT calibration
GAS optimal load without their caps
GAS name |
optimal frequency |
optimal load |
optimal height of the keystone |
LVDT linear range? |
Fishing rod range? |
Note |
|
|
|
|
|
|
|
TF |
|
|
|
|
|
|
SF-B2-6 |
0.32 Hz |
166.40 kg |
67.8 mm |
64[mm] to 66.5[mm] |
63.5[mm] to 67.5[mm] |
|
BF-No7 |
0.39 Hz |
53.17 kg |
64.9 |
64[mm] to 66.5[mm] |
64.2[mm] to 66.5[mm] |
Sensor |
Efficiency [um/cnt] |
F0-LVDT |
|
SF-LVDT |
0.08845 |
BF-LVDT |
0.05497 |
IP-LVDT calibration
Sensor |
Efficiency [um/cnt] |
Noise level at 10 Hz |
LVDT H1 |
|
|
LVDT H2 |
|
|
LVDT H3 |
|
|
Geophone (calibration??)
Frequency response
Geophone's frequency response to the ground velocity:
- Ge: Generator constant [V/(m/s)]
- η: Intrinsic damping ratio
- ω0: Resonant angular frequency [rad/s]
Sensor |
S/N |
Generator constant (nominal) [V/(m/s)] |
Damping ratio (estimated) |
Resonant frequency [Hz] |
GEO H1 |
# |
|
|
|
GEO H2 |
# |
|
|
|
GEO H3 |
# |
|
|
|
Noise
Sensor |
Noise [m/rtHz] @ 0.1 Hz |
Noise [m/rtHz] @ 10 Hz |
GEO H1 |
|
|
GEO H2 |
|
|
GEO H3 |
|
|
Calibration
Converted displacement [um] = 3.052 x 10-4 [V/cnt] / HGEO(ω) / (gainPreamp) x (DC cutoff) x 1/s (m/(m/s)) x 106
actuation polarization
TM-stage
COIL |
sign |
H1 |
|
H2 |
|
H3 |
|
H4 |
|
IM-stage
COIL |
sign |
H1 |
|
H2 |
|
H3 |
|
|
|
V1 |
|
V2 |
|
V3 |
|
IP-stage
COIL |
sign |
H1 |
|
H2 |
|
H3 |
|
Diagonalization matrix
- ACC2EUL
H1 |
H2 |
H3 |
To: |
** |
|
|
|
** |
|
|
|
** |
|
|
|
- LVDT2EUL
H1 |
H2 |
H3 |
To: |
|
|
|
Long. |
|
|
|
Trans. |
|
|
|
Yaw |
- EUL2COIL
Long. |
Trans. |
Yaw |
To: |
|
|
|
H1 |
|
|
|
H2 |
|
|
|
H3 |
actuation efficiency
Stepper motor
See also: Stepper motor setup
Assignment
Epics channel name: K1:STEPPER_***_IP |
|||||
Driver IP address: 10.68.150.** |
|||||
Motor 0 |
Motor 1 |
Motor 2 |
Motor 3 |
Motor 4 |
Motor 5 |
|
|
|
|
<blank> |
<blank> |
Epics channel name: K1:STEPPER_***_GAS |
|||||
Driver IP address: 10.68.150.** |
|||||
Motor 0 |
Motor 1 |
Motor 2 |
Motor 3 |
Motor 4 |
Motor 5 |
|
|
|
|
<blank> |
<blank> |
Adjustable range
Suspension models in MEDM
Stage |
DOF |
Author |
Data |
Date |
klog |
IP |
L |
Terrence |
/kagra/Dropbox/Subsystems/VIS/vis_commissioning/sr3/transfer_function/IP_L_EXC.xml |
2021/8/19 |
|
IP |
T |
Terrence |
/kagra/Dropbox/Subsystems/VIS/vis_commissioning/sr3/transfer_function/IP_T_EXC.xml |
2021/8/19 |
|
IP |
Y |
Terrence |
/kagra/Dropbox/Subsystems/VIS/vis_commissioning/sr3/transfer_function/IP_Y_EXC.xml |
2021/8/19 |
|
GAS |
F0 |
Terrence |
/kagra/Dropbox/Subsystems/VIS/vis_commissioning/sr3/transfer_function/F0_GAS_EXC.xml |
2021/8/19 |
|
GAS |
F1 |
Terrence |
/kagra/Dropbox/Subsystems/VIS/vis_commissioning/sr3/transfer_function/F1_GAS_EXC.xml |
2021/8/19 |
|
GAS |
BF |
Terrence |
/kagra/Dropbox/Subsystems/VIS/vis_commissioning/sr3/transfer_function/BF_GAS_EXC.xml |
2021/8/19 |
|
IM |
L |
Terrence |
/kagra/Dropbox/Subsystems/VIS/vis_commissioning/sr3/transfer_function/IM_L_EXC.xml |
2021/8/19 |
|
IM |
R |
Terrence |
/kagra/Dropbox/Subsystems/VIS/vis_commissioning/sr3/transfer_function/IM_R_EXC.xml |
2021/8/19 |
|
IM |
P |
Terrence |
/kagra/Dropbox/Subsystems/VIS/vis_commissioning/sr3/transfer_function/IM_P_EXC.xml |
2021/8/19 |
|
IM |
T |
Terrence |
/kagra/Dropbox/Subsystems/VIS/vis_commissioning/sr3/transfer_function/IM_T_EXC.xml |
2021/8/19 |
|
IM |
Y |
Terrence |
/kagra/Dropbox/Subsystems/VIS/vis_commissioning/sr3/transfer_function/IM_Y_EXC.xml |
2021/8/19 |
|
IM |
V |
Terrence |
/kagra/Dropbox/Subsystems/VIS/vis_commissioning/sr3/transfer_function/IM_V_EXC.xml |
2021/8/19 |
|
TM |
L |
Terrence |
/kagra/Dropbox/Subsystems/VIS/vis_commissioning/sr3/transfer_function/TM_L_EXC.xml |
2021/8/19 |
|
TM |
P |
Terrence |
/kagra/Dropbox/Subsystems/VIS/vis_commissioning/sr3/transfer_function/TM_P_EXC.xml |
2021/8/19 |
|
TM |
Y |
Terrence |
/kagra/Dropbox/Subsystems/VIS/vis_commissioning/sr3/transfer_function/TM_Y_EXC.xml |
2021/8/19 |