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2018/8/10 13:30 - 2018/8/10 13:30 - 14:38
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Participants: Participants: Mark, Takahashi, Enzo, Aso, Ohishi, Sato, Fujii, Fabian, Okutomi, Hirata, Lucia, Panwei, Terrence, Kozu, Hatoya, Enzo
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[Y-front]
  * Put the ballast mass of 15.1kg on the keystone. The height of keystone was 10.0mm.
  * Calibrated the LVDT.
  * Checked the relative height of the F1 damper.
  * Dismounted the pre-isolaotor and the bridge frame from the foothold.
  * Implemented the cables between the F1 and the PI.
  * Lifted down the EQ stop into the corrugate tube. The top ring sit on the frame lock.
  * Adjusted the rotational direction and the center position of the EQ stop.
  * Installed the PI into the top chamber.
  * Hooked the wires to the receptacles. The filters were suspended from the TF.
  * Removed the wire clamp.
  * Implemented the cables from the PI to the feed through flanges.
  * Started the tuning of TF. Digital output for the coil driver did not work.

[X-front]
  * Released the BF.
Line 18: Line 36:
  * Setting of the pre-isolator in Y-front (tuning of TF, calibration of LVDT, tuning of IP).
  * Setting of the pre-isolator in X-front (additional FR, yaw actuator).
Line 29: Line 49:
 * Have ordered 34 kinds of OMMT/OSTM suspension mechanical parts.
 Will be delivered by Oct. 6th.
Line 30: Line 52:
 * Order remaining 26 kinds of parts.
Line 48: Line 70:
 * Satellite box modification
 * DAC channel rearrangement
  * [[https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=8689|https://gwdoc.icrr.u-tokyo.ac.jp/cgi-bin/private/DocDB/ShowDocument?docid=8689]]
 * SRM metal mirror
  * [[https://photos.app.goo.gl/zpR4DuDpdjSXZkKaA|https://photos.app.goo.gl/zpR4DuDpdjSXZkKaA]]
Line 51: Line 78:
  * Takahashi:   * Takahashi: 15-17
Line 54: Line 81:
  * Lucia:   * Lucia: 15-17
Line 56: Line 83:
  * Mark:   * Mark: 
Line 58: Line 85:
  * Enzo:
  * Terrence: 		  * Enzo: 15-17
  * Terrence: 15-17
Line 62: Line 89:
  * Fujii:   * Fujii: 15-17
Line 65: Line 92:
  * Kozu (ICRR):   * Kozu (ICRR): 15-17 ?
Line 69: Line 96:
  * Takahashi:   * Takahashi: 20 - 24
Line 71: Line 98:
  * Sato:
  * Lucia:		   * Sato: 20 - 24
  * Lucia: 20 - 24
Line 74: Line 101:
  * Mark:
  * Hirata:
  * Enzo:
  * Terrence: 		  * Mark: 20 - 24
  * Hirata: 20 - 24
  * Enzo: 20 - 24
  * Terrence: 20 - 23
Line 80: Line 107:
  * Fujii:   * Fujii: 20 - 24
Line 83: Line 110:
  * Kozu (ICRR):   * Kozu (ICRR): 20 - 24

Agenda/Minutes of the VIS Meeting on 2018/8/10

2018/8/10 13:30 - 14:38

Zoom Meeting

Participants: Mark, Takahashi, Enzo, Aso, Ohishi, Sato, Fujii, Fabian, Okutomi, Hirata, Lucia, Panwei, Terrence, Kozu, Hatoya, Enzo

Progress report

Schedule Chart

Type-A : (PDF/MPP)

Type-B: (PDF/MPP)

Type-A (Takahashi)

Past week report

[Y-front]

  • Put the ballast mass of 15.1kg on the keystone. The height of keystone was 10.0mm.
  • Calibrated the LVDT.
  • Checked the relative height of the F1 damper.
  • Dismounted the pre-isolaotor and the bridge frame from the foothold.
  • Implemented the cables between the F1 and the PI.
  • Lifted down the EQ stop into the corrugate tube. The top ring sit on the frame lock.
  • Adjusted the rotational direction and the center position of the EQ stop.
  • Installed the PI into the top chamber.
  • Hooked the wires to the receptacles. The filters were suspended from the TF.
  • Removed the wire clamp.
  • Implemented the cables from the PI to the feed through flanges.
  • Started the tuning of TF. Digital output for the coil driver did not work.

[X-front]

  • Released the BF.

Plan for coming weeks

  • Setting of the pre-isolator in Y-front (tuning of TF, calibration of LVDT, tuning of IP).
  • Setting of the pre-isolator in X-front (additional FR, yaw actuator).

Type B (Mark)

Past week report

Plan for coming weeks

Type-Bp (Shoda)

Past week report

Plan for coming weeks

OMMT & OSTM (Ohishi)

Past week report

  • Have ordered 34 kinds of OMMT/OSTM suspension mechanical parts. Will be delivered by Oct. 6th.

Plan for coming weeks

  • Order remaining 26 kinds of parts.

VIS electronics (Tanaka)

Past week report

Plan for coming weeks

Other site works

  • Sept 3 (Mon): Crane inspection 9:00 - 12:00
  • Sept 5 (Mon): Crane inspection 9:00 - 13:00
  • Sept 10(Mon): Planned power outage

Safety

  • Incidents:
  • Foreseen risks
    • Type-A:
    • Type-B:

Discussion

Travel Plans

  • Travel (Week of 8/13):
    • Takahashi: 15-17
    • Okutomi:
    • Sato:
    • Lucia: 15-17
    • Ishizaki:
    • Mark:
    • Hirata:
    • Enzo: 15-17
    • Terrence: 15-17
    • Shoda:
    • Ohishi:
    • Fujii: 15-17
    • Tanioka:
    • Tanaka:
    • Kozu (ICRR): 15-17 ?
    • Arai (ICRR):
  • Travel (Week of 8/20):
    • Takahashi: 20 - 24
    • Okutomi:
    • Sato: 20 - 24
    • Lucia: 20 - 24
    • Ishizaki:
    • Mark: 20 - 24
    • Hirata: 20 - 24
    • Enzo: 20 - 24
    • Terrence: 20 - 23
    • Shoda:
    • Ohishi:
    • Fujii: 20 - 24
    • Tanioka:
    • Tanaka:
    • Kozu (ICRR): 20 - 24
    • Arai (ICRR):

Next meeting

On 2018/8/23(Fri)

KAGRA/Subgroups/VIS/VISMinutes20180810 (last edited 2018-08-29 11:56:54 by MarkBarton)