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Revision 23 as of 2022-03-08 13:37:26
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Editor: hiromi.yasui
Comment:
Deletions are marked like this. Additions are marked like this.
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=== 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 || [[https://klog.icrr.u-tokyo.ac.jp/osl/?r=17956|klog17956]] ||
|| IP || T || Terrence || /kagra/Dropbox/Subsystems/VIS/vis_commissioning/sr3/transfer_function/IP_T_EXC.xml || 2021/8/19 || [[https://klog.icrr.u-tokyo.ac.jp/osl/?r=17956|klog17956]] ||
|| IP || Y || Terrence || /kagra/Dropbox/Subsystems/VIS/vis_commissioning/sr3/transfer_function/IP_Y_EXC.xml || 2021/8/19 || [[https://klog.icrr.u-tokyo.ac.jp/osl/?r=17956|klog17956]] ||
|| GAS || F0 || Terrence || /kagra/Dropbox/Subsystems/VIS/vis_commissioning/sr3/transfer_function/F0_GAS_EXC.xml || 2021/8/19 || [[https://klog.icrr.u-tokyo.ac.jp/osl/?r=17956|klog17956]] ||
|| GAS || F1 || Terrence || /kagra/Dropbox/Subsystems/VIS/vis_commissioning/sr3/transfer_function/F1_GAS_EXC.xml || 2021/8/19 || [[https://klog.icrr.u-tokyo.ac.jp/osl/?r=17956|klog17956]] ||
|| GAS || BF || Terrence || /kagra/Dropbox/Subsystems/VIS/vis_commissioning/sr3/transfer_function/BF_GAS_EXC.xml || 2021/8/19 || [[https://klog.icrr.u-tokyo.ac.jp/osl/?r=17956|klog17956]] ||
|| IM || L || Terrence || /kagra/Dropbox/Subsystems/VIS/vis_commissioning/sr3/transfer_function/IM_L_EXC.xml || 2021/8/19 || [[https://klog.icrr.u-tokyo.ac.jp/osl/?r=17956|klog17956]] ||
|| IM || R || Terrence || /kagra/Dropbox/Subsystems/VIS/vis_commissioning/sr3/transfer_function/IM_R_EXC.xml || 2021/8/19 || [[https://klog.icrr.u-tokyo.ac.jp/osl/?r=17956|klog17956]] ||
|| IM || P || Terrence || /kagra/Dropbox/Subsystems/VIS/vis_commissioning/sr3/transfer_function/IM_P_EXC.xml || 2021/8/19 || [[https://klog.icrr.u-tokyo.ac.jp/osl/?r=17956|klog17956]] ||
|| IM || T || Terrence || /kagra/Dropbox/Subsystems/VIS/vis_commissioning/sr3/transfer_function/IM_T_EXC.xml || 2021/8/19 || [[https://klog.icrr.u-tokyo.ac.jp/osl/?r=17956|klog17956]] ||
|| IM || Y || Terrence || /kagra/Dropbox/Subsystems/VIS/vis_commissioning/sr3/transfer_function/IM_Y_EXC.xml || 2021/8/19 || [[https://klog.icrr.u-tokyo.ac.jp/osl/?r=17956|klog17956]] ||
|| IM || V || Terrence || /kagra/Dropbox/Subsystems/VIS/vis_commissioning/sr3/transfer_function/IM_V_EXC.xml || 2021/8/19 || [[https://klog.icrr.u-tokyo.ac.jp/osl/?r=17956|klog17956]] ||
|| TM || L || Terrence || /kagra/Dropbox/Subsystems/VIS/vis_commissioning/sr3/transfer_function/TM_L_EXC.xml || 2021/8/19 || [[https://klog.icrr.u-tokyo.ac.jp/osl/?r=17956|klog17956]] ||
|| TM || P || Terrence || /kagra/Dropbox/Subsystems/VIS/vis_commissioning/sr3/transfer_function/TM_P_EXC.xml || 2021/8/19 || [[https://klog.icrr.u-tokyo.ac.jp/osl/?r=17956|klog17956]] ||
|| TM || Y || Terrence || /kagra/Dropbox/Subsystems/VIS/vis_commissioning/sr3/transfer_function/TM_Y_EXC.xml || 2021/8/19 || [[https://klog.icrr.u-tokyo.ac.jp/osl/?r=17956|klog17956]] ||

-----

SR3 suspension information


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/SR3detail/SRresFreqs_v2.pdf

position of the COM

calculated from the resonant frequencies.


sensor & actuator parameters

Oplev calibration

OSEM calibration

IM-stage

klog#4846

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

sr3imv1osem.png sr3imv2osem.png sr3imv3osem.png

sr3imh1osem.png sr3imh2osem.png sr3imh3osem.png

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]

k#4720

BF-No7

0.39 Hz

53.17 kg

64.9

64[mm] to 66.5[mm]

64.2[mm] to 66.5[mm]

k#4654

k#4650

Sensor

Efficiency [um/cnt]

F0-LVDT

SF-LVDT

0.08845

BF-LVDT

0.05497

sr3sflvdt20180504.png sr3bf-calibration-2018-4-5.png

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

klog17956

IP

T

Terrence

/kagra/Dropbox/Subsystems/VIS/vis_commissioning/sr3/transfer_function/IP_T_EXC.xml

2021/8/19

klog17956

IP

Y

Terrence

/kagra/Dropbox/Subsystems/VIS/vis_commissioning/sr3/transfer_function/IP_Y_EXC.xml

2021/8/19

klog17956

GAS

F0

Terrence

/kagra/Dropbox/Subsystems/VIS/vis_commissioning/sr3/transfer_function/F0_GAS_EXC.xml

2021/8/19

klog17956

GAS

F1

Terrence

/kagra/Dropbox/Subsystems/VIS/vis_commissioning/sr3/transfer_function/F1_GAS_EXC.xml

2021/8/19

klog17956

GAS

BF

Terrence

/kagra/Dropbox/Subsystems/VIS/vis_commissioning/sr3/transfer_function/BF_GAS_EXC.xml

2021/8/19

klog17956

IM

L

Terrence

/kagra/Dropbox/Subsystems/VIS/vis_commissioning/sr3/transfer_function/IM_L_EXC.xml

2021/8/19

klog17956

IM

R

Terrence

/kagra/Dropbox/Subsystems/VIS/vis_commissioning/sr3/transfer_function/IM_R_EXC.xml

2021/8/19

klog17956

IM

P

Terrence

/kagra/Dropbox/Subsystems/VIS/vis_commissioning/sr3/transfer_function/IM_P_EXC.xml

2021/8/19

klog17956

IM

T

Terrence

/kagra/Dropbox/Subsystems/VIS/vis_commissioning/sr3/transfer_function/IM_T_EXC.xml

2021/8/19

klog17956

IM

Y

Terrence

/kagra/Dropbox/Subsystems/VIS/vis_commissioning/sr3/transfer_function/IM_Y_EXC.xml

2021/8/19

klog17956

IM

V

Terrence

/kagra/Dropbox/Subsystems/VIS/vis_commissioning/sr3/transfer_function/IM_V_EXC.xml

2021/8/19

klog17956

TM

L

Terrence

/kagra/Dropbox/Subsystems/VIS/vis_commissioning/sr3/transfer_function/TM_L_EXC.xml

2021/8/19

klog17956

TM

P

Terrence

/kagra/Dropbox/Subsystems/VIS/vis_commissioning/sr3/transfer_function/TM_P_EXC.xml

2021/8/19

klog17956

TM

Y

Terrence

/kagra/Dropbox/Subsystems/VIS/vis_commissioning/sr3/transfer_function/TM_Y_EXC.xml

2021/8/19

klog17956


Related Link

KAGRA/Subgroups/VIS/TypeB/SR3detail (last edited 2022-03-08 13:37:26 by hiromi.yasui)