Agenda/Minutes of the VIS Meeting on 2017/9/1

2017/9/1 13:30 -

Participants:

Progress report

Schedule Chart : (PDF,MPP)

• Type-A:
• Type-B:
• Type-Bp:

Type-A (Takahashi)

Past week report

[X-end]

30th(Wed)

• Adjust the height of keystone in the F2 and F3 by the FR.
• Lifted down the EQ stop. The F2 stage sit on the frame lock.

31st(Thu)

• Extended the EQ stop to the F1 stage.
• Assembled some items inside the F1; cabling, replacement of receptacles, replacement of FR blades.
• Attached the Cu ring and the wire clamps onto the cap of F1.
• Closed the cap of F1. Though the insertion was very tight, the cap could be closed.

[Y-end]

31st(Thu)

• Making the control model with the CRY group.

1st(Fri)

• Trasported the bridge frame to the X-end.
• Making the control model with the CRY group.

Plan for coming weeks

• Installation of the Filter1 in X-end.

Type B (Mark)

Past week report

Plan for coming weeks

Type-Bp (Shoda)

Past week report

• IM OSEMs tuned.
  • We tuned the OSEM DC position again, since we changed the IRM alignment last Friday.
  • We checked the TFs of IM. So far, the TF seems to be OK but the coherence is not good at lower frequencies. I should check later.
• BF assembled
  • BF cap was closed, and assembled BF LVDT primary coils. The IM/TM cables are lead to the top of the BF cap.
• Top plate assembled
  • We also assembled the top plate/Traverser unit to the suspension.
• k1pr0 IO chassis
  • Miyakawa-san changed the power supply for the IO chassis. Now the IO chassis seems to be working.
  • All 3 models cannot be started at the same time when we start the RT computer. It is necessary to start the model one by one.
  • However, the PRM model is not yet running properly, since all the VIS model cannot be compiled because of an unknown error. One of the Library model might be the reason.

Plan for coming weeks

• assemble SF & calibrate SF LVDT

• Hang BF and tune the weight
• Assemble the BFRM

IMMT (Ohishi)

Past week report

Plan for coming weeks

Watchdog system (Tanaka)

Past week report

• I examined specific cost and necessary measures to set up for WDS in Kamioka.And I held a meeting to make estimates with several vendors.-->Budget plan.(But the accuracy is low because there is no data necessary for integrating the estimate.)However,this is a Japanese report.JGW-E1707142(PDF).

  • -->Waiting for an estimate.

Plan for coming weeks

• Creation of extended I/O PCB(plot type (With the Main 4ch WDS box and I/O box,I/O board For relay).-->Ongoing.

• Start production of equipment-->PCB check for main board(WDS main board).Ongoing.

Other site works

• End of Aug. to Nov.: Mozumi entrance will be closed
• Sept. 5: Inspection by Labor Standards Inspection Office

Safety

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

Discussion

Travel Plans

• Travel (Week of 9/4):
  • Takahashi: 4-7
  • Okutomi: 4-8
  • Sato: 4-8
  • Ishizaki: 4-8
  • Mark: 4-8
  • Fabian: 4-8
  • Hirata: 4-8
  • Enzo: 4-8
  • Shoda: 4-8
  • Ohishi: 4-8
  • Fujii:
  • Tanaka:
  • Yoshioka (Toyama):
  • Kozu (ICRR):
  • Arai (ICRR):
• Travel (Week of 9/11):
  • Takahashi:
  • Okutomi:
  • Sato:
  • Ishizaki:
  • Mark:
  • Fabian:
  • Hirata:
  • Enzo:
  • Shoda:
  • Ohishi:
  • Fujii:
  • Tanaka:
  • Yoshioka (Toyama):
  • Kozu (ICRR):
  • Arai (ICRR):

Next meeting

On 2017/9/8(Fri)