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Takanori Sekiguchi ALPS Report, Dec. 26th, 2013 Prototype Test of Type-B 1 Takanori Sekiguchi KAGRA F2F MEETING Feb. 2015

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Page 1: Takanori Sekiguchi ALPS Report, Dec. 26th, 2013 Prototype Test of Type-B 1 Takanori Sekiguchi KAGRA F2F MEETING Feb. 2015

Takanori SekiguchiALPS Report, Dec. 26th, 2013 1

Prototype Test of Type-B

Takanori Sekiguchi

KAGRA F2F MEETINGFeb. 2015

Page 2: Takanori Sekiguchi ALPS Report, Dec. 26th, 2013 Prototype Test of Type-B 1 Takanori Sekiguchi KAGRA F2F MEETING Feb. 2015

Takanori SekiguchiALPS Report, Dec. 26th, 2013 2

β€’ Overview of SAS prototype testβ€’ Payload prototype testβ€’ Status & plan of full type-B test

Contents

Page 3: Takanori Sekiguchi ALPS Report, Dec. 26th, 2013 Prototype Test of Type-B 1 Takanori Sekiguchi KAGRA F2F MEETING Feb. 2015

Takanori SekiguchiALPS Report, Dec. 26th, 2013 3

Prototype Test Status

Assembly Performance

Pre-isolator

GAS filter

Payload

Full System Undergoing TBD

Pre-isolator

GAS filter

Payload

Page 4: Takanori Sekiguchi ALPS Report, Dec. 26th, 2013 Prototype Test of Type-B 1 Takanori Sekiguchi KAGRA F2F MEETING Feb. 2015

Takanori SekiguchiALPS Report, Dec. 26th, 2013 4

Payload Prototype Test

Page 5: Takanori Sekiguchi ALPS Report, Dec. 26th, 2013 Prototype Test of Type-B 1 Takanori Sekiguchi KAGRA F2F MEETING Feb. 2015

Takanori SekiguchiALPS Report, Dec. 26th, 2013 5

Payload Prototype Test in NAOJPurpose:β€’ Check the assemblability

and feasibilityβ€’ Test the local control using

OSEMs

Page 6: Takanori Sekiguchi ALPS Report, Dec. 26th, 2013 Prototype Test of Type-B 1 Takanori Sekiguchi KAGRA F2F MEETING Feb. 2015

Takanori SekiguchiALPS Report, Dec. 26th, 2013 6

Structure of payload

Bottom Filter

Intermediate Mass/Intermediate Recoil Mass

Mirror / Recoil Mass

Page 7: Takanori Sekiguchi ALPS Report, Dec. 26th, 2013 Prototype Test of Type-B 1 Takanori Sekiguchi KAGRA F2F MEETING Feb. 2015

Takanori SekiguchiALPS Report, Dec. 26th, 2013 7

(Rough) Assembly ProcedureSuspend mirror & RM

Page 8: Takanori Sekiguchi ALPS Report, Dec. 26th, 2013 Prototype Test of Type-B 1 Takanori Sekiguchi KAGRA F2F MEETING Feb. 2015

Takanori SekiguchiALPS Report, Dec. 26th, 2013 8

(Dummy) mirror suspended by Ο†0.2 steel wires

Recoil mass suspended by Ο†0.6 tungsten wires

Winches to suspend masses

Height measure to check the wire length

Page 9: Takanori Sekiguchi ALPS Report, Dec. 26th, 2013 Prototype Test of Type-B 1 Takanori Sekiguchi KAGRA F2F MEETING Feb. 2015

Takanori SekiguchiALPS Report, Dec. 26th, 2013 9

(Rough) Assembly ProcedureSuspend IM from BF

Page 10: Takanori Sekiguchi ALPS Report, Dec. 26th, 2013 Prototype Test of Type-B 1 Takanori Sekiguchi KAGRA F2F MEETING Feb. 2015

Takanori SekiguchiALPS Report, Dec. 26th, 2013 10

Tuning masses(weight control & balancing)

Page 11: Takanori Sekiguchi ALPS Report, Dec. 26th, 2013 Prototype Test of Type-B 1 Takanori Sekiguchi KAGRA F2F MEETING Feb. 2015

Takanori SekiguchiALPS Report, Dec. 26th, 2013 11

Screw to change the suspension point

Tuning pitch frequency~0.2 Hz

Page 12: Takanori Sekiguchi ALPS Report, Dec. 26th, 2013 Prototype Test of Type-B 1 Takanori Sekiguchi KAGRA F2F MEETING Feb. 2015

Takanori SekiguchiALPS Report, Dec. 26th, 2013 12

(Rough) Assembly ProcedureSuspend IRM

Page 13: Takanori Sekiguchi ALPS Report, Dec. 26th, 2013 Prototype Test of Type-B 1 Takanori Sekiguchi KAGRA F2F MEETING Feb. 2015

Takanori SekiguchiALPS Report, Dec. 26th, 2013 13

IRM (without OSEMs)Suspended by 3 wires

Screws for changing suspension points

Page 14: Takanori Sekiguchi ALPS Report, Dec. 26th, 2013 Prototype Test of Type-B 1 Takanori Sekiguchi KAGRA F2F MEETING Feb. 2015

Takanori SekiguchiALPS Report, Dec. 26th, 2013 14

Cable clip

Cabling of electrical wires

Page 15: Takanori Sekiguchi ALPS Report, Dec. 26th, 2013 Prototype Test of Type-B 1 Takanori Sekiguchi KAGRA F2F MEETING Feb. 2015

Takanori SekiguchiALPS Report, Dec. 26th, 2013 15

β€’ Compensation masses to get enough weight for GAS filter

Feedback to the designβ€’ Separate OSEM parts for easier

assembly

… and so on.

Page 16: Takanori Sekiguchi ALPS Report, Dec. 26th, 2013 Prototype Test of Type-B 1 Takanori Sekiguchi KAGRA F2F MEETING Feb. 2015

Takanori SekiguchiALPS Report, Dec. 26th, 2013 16

Control Test

Page 17: Takanori Sekiguchi ALPS Report, Dec. 26th, 2013 Prototype Test of Type-B 1 Takanori Sekiguchi KAGRA F2F MEETING Feb. 2015

Takanori SekiguchiALPS Report, Dec. 26th, 2013 17

OSEMUnit of a shadow sensor and a coil-magnet actuator

(Current Design)

LED

PD

flag

coil

magnetlens

Page 18: Takanori Sekiguchi ALPS Report, Dec. 26th, 2013 Prototype Test of Type-B 1 Takanori Sekiguchi KAGRA F2F MEETING Feb. 2015

Takanori SekiguchiALPS Report, Dec. 26th, 2013 18

OSEMCalibration results of shadow sensors of 4 prototype units

Sensitivity: ~6.5 V/mm

Page 19: Takanori Sekiguchi ALPS Report, Dec. 26th, 2013 Prototype Test of Type-B 1 Takanori Sekiguchi KAGRA F2F MEETING Feb. 2015

Takanori SekiguchiALPS Report, Dec. 26th, 2013 19

OSEMShadow sensor noise

~ 5e-10 m/√Hz @ 10 Hz

Page 20: Takanori Sekiguchi ALPS Report, Dec. 26th, 2013 Prototype Test of Type-B 1 Takanori Sekiguchi KAGRA F2F MEETING Feb. 2015

Takanori SekiguchiALPS Report, Dec. 26th, 2013 20

OSEMActuation force by an OSEM actuator

~1.7 [N/A]

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Takanori SekiguchiALPS Report, Dec. 26th, 2013 21

Actuator Diagonalization (Mirror)

X Y

Z

3 DoFs we want to sense with 4 sensors:

4 actuators we use to actuate 3 DoFs:

The actuation matrix D is improved by measurement.

1st guess

(Actuator Diagonalization)

1

2

3

4

Page 22: Takanori Sekiguchi ALPS Report, Dec. 26th, 2013 Prototype Test of Type-B 1 Takanori Sekiguchi KAGRA F2F MEETING Feb. 2015

Takanori SekiguchiALPS Report, Dec. 26th, 2013 22

Actuator Diagonalization (IM)

Z

6 DoFs we want to sense with 6 sensors:

1st guess

X

Y

5

6

78

9 10

6 actuators we use to actuate 6 DoFs:

Page 23: Takanori Sekiguchi ALPS Report, Dec. 26th, 2013 Prototype Test of Type-B 1 Takanori Sekiguchi KAGRA F2F MEETING Feb. 2015

Takanori SekiguchiALPS Report, Dec. 26th, 2013 23

Implementation in Digital SystemMEDM Screen for type-B SAS control (under development)

Sensor Matrix Actuator Matrix

Signal Flow

Signals from shadow sensors

ActuationSignals

Page 24: Takanori Sekiguchi ALPS Report, Dec. 26th, 2013 Prototype Test of Type-B 1 Takanori Sekiguchi KAGRA F2F MEETING Feb. 2015

Takanori SekiguchiALPS Report, Dec. 26th, 2013 24

Transfer functions (Mirror)

Pitch

Yaw

Length

White noise is injected to virtual actuators

Page 25: Takanori Sekiguchi ALPS Report, Dec. 26th, 2013 Prototype Test of Type-B 1 Takanori Sekiguchi KAGRA F2F MEETING Feb. 2015

Takanori SekiguchiALPS Report, Dec. 26th, 2013 25

Transfer functions (IM)

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Takanori SekiguchiALPS Report, Dec. 26th, 2013 26

Damping ControlDamping servo is applied to the 6-DoF motion of IM and 3-DoF motion of the mirror

Derivative filter(viscous damping)

Page 27: Takanori Sekiguchi ALPS Report, Dec. 26th, 2013 Prototype Test of Type-B 1 Takanori Sekiguchi KAGRA F2F MEETING Feb. 2015

Takanori SekiguchiALPS Report, Dec. 26th, 2013 27

In-loop performanceOSEM signal of IM longitudinal motion

OSEM signal of IM yaw motion

3 ΞΌm 0.6 ΞΌm

30 ΞΌrad 2 ΞΌrad

Page 28: Takanori Sekiguchi ALPS Report, Dec. 26th, 2013 Prototype Test of Type-B 1 Takanori Sekiguchi KAGRA F2F MEETING Feb. 2015

Takanori SekiguchiALPS Report, Dec. 26th, 2013 28

Optical LeverOptical levers to monitor mirror angles / displacement

1W SLD

Half Mirror

QPD2

QPD1 Collimator

Page 29: Takanori Sekiguchi ALPS Report, Dec. 26th, 2013 Prototype Test of Type-B 1 Takanori Sekiguchi KAGRA F2F MEETING Feb. 2015

Takanori SekiguchiALPS Report, Dec. 26th, 2013 29

Out of loop performanceOptical lever signals about mirror pitch motion

Optical lever signals about mirror yaw motion

35 ΞΌrad 13 ΞΌrad

50 ΞΌrad 12 ΞΌrad

Page 30: Takanori Sekiguchi ALPS Report, Dec. 26th, 2013 Prototype Test of Type-B 1 Takanori Sekiguchi KAGRA F2F MEETING Feb. 2015

Takanori SekiguchiALPS Report, Dec. 26th, 2013 30

Full Type-B Test

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Takanori SekiguchiALPS Report, Dec. 26th, 2013 31

Full Type-B Test@TAMA West-End Room

β€’ Full type-B prototype will be assembled and tested in vacuum

β€’ Overall performance is to be checked by using optical lever

Page 32: Takanori Sekiguchi ALPS Report, Dec. 26th, 2013 Prototype Test of Type-B 1 Takanori Sekiguchi KAGRA F2F MEETING Feb. 2015

Takanori SekiguchiALPS Report, Dec. 26th, 2013 32

Current Statusβ€’ Vacuum system preparationβ€’ Height of the chamber is to be checked

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Takanori SekiguchiALPS Report, Dec. 26th, 2013 33

Current Statusβ€’ Cleaning and remanufacturing of IP baseβ€’ Finished on Jan. 28

Page 34: Takanori Sekiguchi ALPS Report, Dec. 26th, 2013 Prototype Test of Type-B 1 Takanori Sekiguchi KAGRA F2F MEETING Feb. 2015

Takanori SekiguchiALPS Report, Dec. 26th, 2013 34

Current Statusβ€’ Vacuum pod for geophone (seismometer) manufacturedβ€’ Assembling and cabling should be done

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Takanori SekiguchiALPS Report, Dec. 26th, 2013 35

Current Statusβ€’ An assembly frame is designed.

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Takanori SekiguchiALPS Report, Dec. 26th, 2013 36

Scheduleβ€’ According to KAGRA schedule, prototype test is to

be finished until the end of March.

β€’ Extremely tight!

Page 37: Takanori Sekiguchi ALPS Report, Dec. 26th, 2013 Prototype Test of Type-B 1 Takanori Sekiguchi KAGRA F2F MEETING Feb. 2015

Takanori SekiguchiALPS Report, Dec. 26th, 2013 37

Main Tasks

β€’ Consider assembly procedure.β€’ Do mechanical tuning (leveling, weight control, etc.)β€’ Make an assembly manual (for installation of actual system)β€’ Manufacture in-vacuum electrical cablesβ€’ Design servo filter in mathematical modelβ€’ Prepare digital system interface

Red: Important for KAGRAViolet: Time-consuming tasks

Page 38: Takanori Sekiguchi ALPS Report, Dec. 26th, 2013 Prototype Test of Type-B 1 Takanori Sekiguchi KAGRA F2F MEETING Feb. 2015

Takanori SekiguchiALPS Report, Dec. 26th, 2013 38

We need your help!!

β€’ We call for KAGRA-shift

β€’ This prototype test is an absolutely important stepin considering installation procedure of actual system, and getting more realistic plan/schedule of VIS installation

Page 39: Takanori Sekiguchi ALPS Report, Dec. 26th, 2013 Prototype Test of Type-B 1 Takanori Sekiguchi KAGRA F2F MEETING Feb. 2015

39

iKAGRA schedule 2014 2015γ€€ 10 11 12 1 2 3 4 5 6 7 8 9 10 11 12Fabry-Perot-Michelson

VIS installation γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€ γ€€

Stack install γ€€ Stack γ€€ γ€€γ€€ γ€€γ€€ γ€€γ€€ γ€€γ€€ γ€€γ€€ γ€€γ€€ γ€€γ€€ γ€€γ€€ γ€€γ€€ γ€€γ€€ γ€€γ€€ γ€€

MC suspension installγ€€ γ€€γ€€ MC γ€€γ€€γ€€γ€€γ€€ γ€€γ€€ γ€€γ€€ γ€€γ€€ γ€€γ€€ γ€€γ€€ γ€€γ€€ γ€€γ€€ γ€€γ€€ γ€€γ€€ γ€€γ€€ γ€€γ€€ γ€€

PR2 & PR3 γ€€ γ€€γ€€ γ€€γ€€ γ€€γ€€ γ€€frame/payload procurement

PR2 & PR3 γ€€ γ€€γ€€ γ€€γ€€ γ€€γ€€ γ€€γ€€ γ€€γ€€ γ€€γ€€ γ€€

IXA & EXA (Xarm cavity) γ€€ γ€€γ€€ γ€€γ€€ γ€€γ€€ γ€€γ€€ γ€€γ€€ γ€€

frame/payload procurement

IXA & EXA γ€€ γ€€γ€€ γ€€γ€€ γ€€γ€€ γ€€γ€€ γ€€

IYA & EYA (Yarm cavity) γ€€ γ€€γ€€ γ€€γ€€ γ€€γ€€ γ€€γ€€ γ€€γ€€ γ€€γ€€ γ€€

frame/payload procurementγ€€ γ€€ IYA & EYA γ€€ γ€€γ€€ γ€€γ€€ γ€€

BS γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€modifying prototype γ€€γ€€γ€€γ€€

payload procurement

BS γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€ γ€€

Xarm commissioningγ€€ γ€€γ€€ γ€€γ€€ γ€€γ€€ γ€€γ€€ γ€€γ€€ γ€€γ€€ γ€€γ€€ γ€€γ€€ γ€€γ€€

Xarm commissioning γ€€ γ€€γ€€ γ€€γ€€ γ€€

Full commissioning γ€€ γ€€γ€€ γ€€γ€€ γ€€γ€€ γ€€γ€€ γ€€γ€€ γ€€γ€€ γ€€γ€€ γ€€γ€€ γ€€γ€€ γ€€ γ€€γ€€ γ€€Full commissioningγ€€γ€€ γ€€

Observationγ€€ γ€€γ€€ γ€€γ€€ γ€€γ€€ γ€€γ€€ γ€€γ€€ γ€€γ€€ γ€€γ€€ γ€€γ€€ γ€€γ€€ γ€€γ€€ γ€€γ€€ γ€€

Obs.

γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€ γ€€γ€€γ€€ γ€€

Michelson γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€ γ€€ γ€€

VIS installation γ€€ γ€€γ€€ γ€€γ€€ γ€€γ€€ γ€€γ€€ γ€€γ€€ γ€€γ€€ γ€€γ€€ γ€€γ€€ γ€€γ€€ γ€€γ€€ γ€€γ€€ γ€€γ€€ γ€€γ€€ γ€€γ€€ γ€€

Stack install γ€€ Stack γ€€ γ€€γ€€ γ€€γ€€ γ€€γ€€ γ€€γ€€ γ€€γ€€ γ€€γ€€ γ€€γ€€ γ€€γ€€ γ€€γ€€ γ€€γ€€ γ€€γ€€ γ€€

MC suspension installγ€€ γ€€γ€€ MC γ€€γ€€γ€€γ€€γ€€ γ€€γ€€ γ€€γ€€ γ€€γ€€ γ€€γ€€ γ€€γ€€ γ€€γ€€ γ€€γ€€ γ€€γ€€ γ€€γ€€ γ€€γ€€ γ€€γ€€ γ€€

PR2 & PR3 γ€€ γ€€γ€€ γ€€γ€€ γ€€γ€€ γ€€frame/payload procurement

PR2 & PR3 γ€€ γ€€γ€€ γ€€γ€€ γ€€γ€€ γ€€γ€€ γ€€γ€€ γ€€γ€€ γ€€

IXA & IYA γ€€ γ€€γ€€ γ€€γ€€ γ€€γ€€ γ€€γ€€ γ€€γ€€ γ€€γ€€ γ€€γ€€ γ€€γ€€ γ€€γ€€ γ€€γ€€ γ€€γ€€ γ€€γ€€ γ€€γ€€ γ€€γ€€ γ€€

EXA & EYA γ€€ γ€€γ€€ γ€€γ€€ γ€€γ€€ γ€€γ€€ γ€€γ€€ γ€€frame/payload procurement

EXA & EYA γ€€ γ€€γ€€ γ€€γ€€ γ€€γ€€ γ€€γ€€ γ€€

BS γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€modifying prototype γ€€γ€€γ€€γ€€payload

procurementBS γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€ γ€€

Michelson commissioning γ€€ γ€€γ€€ γ€€γ€€ γ€€γ€€ γ€€γ€€ γ€€γ€€ γ€€γ€€ γ€€γ€€ γ€€γ€€ γ€€γ€€

Michelson commissioningγ€€ γ€€

Observation γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€γ€€Obs.γ€€

Schedule of VIS installation: iKAGRA

Dec 2015 operation

Page 40: Takanori Sekiguchi ALPS Report, Dec. 26th, 2013 Prototype Test of Type-B 1 Takanori Sekiguchi KAGRA F2F MEETING Feb. 2015

Takanori SekiguchiALPS Report, Dec. 26th, 2013 40

END

Page 41: Takanori Sekiguchi ALPS Report, Dec. 26th, 2013 Prototype Test of Type-B 1 Takanori Sekiguchi KAGRA F2F MEETING Feb. 2015

Takanori SekiguchiALPS Report, Dec. 26th, 2013 41

Appendix

Page 42: Takanori Sekiguchi ALPS Report, Dec. 26th, 2013 Prototype Test of Type-B 1 Takanori Sekiguchi KAGRA F2F MEETING Feb. 2015

Takanori SekiguchiALPS Report, Dec. 26th, 2013 42

Close Loop TF