|
Size: 1934
Comment:
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Size: 3095
Comment:
|
| Deletions are marked like this. | Additions are marked like this. |
| Line 17: | Line 17: |
[Y-front] * Tuned the TF. The screws to fix the blades at the keystone were loose. After fastening the screws tightly, the filter overloaded. Though the filter can work without compression, the tuning frequency is very high (~1Hz). * Calibrated the LVDTs for IP. * Set the ballast rings onto the IP * Attached the LVDT coils for BF damper, and cabled. * Set the ACCs on the IP. * Closed the top chamber. * Tuned the sensing/actuation matrix. [X-front] * Replaced the blade for additional FR. The TF still overloads at least 10kg. Fixed the keystone. * Released the IP. Adjusted the horizontal position of IP. * Adjusted the height of cryo-payload. * Closed the chambers completely. Started the evacuation at 15:45 on 30th. [Y-end] * Disconnected the cables for cryo-payload from the BF. * Unhooked the wire from the receptacle on the cryo-payload, * The cryo-payload was removed from the cryostat. * Unhooked the wire from the receptacle on the BF, |
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| Line 18: | Line 40: |
| [Y-end] * Installation of the dummy payload. * Tuning of BF and F3. [Y-front] * Measurements of transfer functions. * Setting of controls. |
Agenda/Minutes of the VIS Meeting on 2018/8/31
2018/8/31 13:30 -
Participants:
Progress report
Schedule Chart
Type-A : (PDF/MPP)
Type-B: (PDF/MPP)
Type-A (Takahashi)
Past week report
[Y-front]
- Tuned the TF. The screws to fix the blades at the keystone were loose. After fastening the screws tightly, the filter overloaded. Though the filter can work without compression, the tuning frequency is very high (~1Hz).
- Calibrated the LVDTs for IP.
- Set the ballast rings onto the IP
- Attached the LVDT coils for BF damper, and cabled.
- Set the ACCs on the IP.
- Closed the top chamber.
- Tuned the sensing/actuation matrix.
[X-front]
- Replaced the blade for additional FR. The TF still overloads at least 10kg. Fixed the keystone.
- Released the IP. Adjusted the horizontal position of IP.
- Adjusted the height of cryo-payload.
- Closed the chambers completely. Started the evacuation at 15:45 on 30th.
[Y-end]
- Disconnected the cables for cryo-payload from the BF.
- Unhooked the wire from the receptacle on the cryo-payload,
- The cryo-payload was removed from the cryostat.
- Unhooked the wire from the receptacle on the BF,
Plan for coming weeks
[Y-end]
- Installation of the dummy payload.
- Tuning of BF and F3.
[Y-front]
- Measurements of transfer functions.
- Setting of controls.
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
- Completed all the mechanical parts design and waiting for the quotation.
- Delivery date is 6th Oct.
Plan for coming weeks
- Make the screw list.
- Preparation for the glueing.
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
- Preparation for the power outage
- Clean air introduction port for SR chambers
Travel Plans
- Travel (Week of 9/3):
- Takahashi:
- Okutomi:
- Sato:
- Lucia:
- Ishizaki:
- Mark:
- Hirata:
- Enzo:
- Terrence:
- Shoda:
- Ohishi:
- Fujii:
- Tanioka:
- Tanaka:
- Kozu (ICRR):
- Arai (ICRR):
- Travel (Week of 9/10):
- Takahashi:
- Okutomi:
- Sato:
- Lucia:
- Ishizaki:
- Mark:
- Hirata:
- Enzo:
- Terrence:
- Shoda:
- Ohishi:
- Fujii:
- Tanioka:
- Tanaka:
- Kozu (ICRR):
- Arai (ICRR):
Next meeting
On 2018/9/7(Fri)