Differences between revisions 2 and 3
Revision 2 as of 2023-03-24 07:30:59
Size: 5021
Comment:
Revision 3 as of 2023-03-24 07:39:10
Size: 5148
Comment:
Deletions are marked like this. Additions are marked like this.
Line 63: Line 63:
   * Phase noise cancellation : Repairing the PZT
   * Circuit repairing : Common mode servo
   * Vibration investigation(future)
   * ISS servo investigation
   * Set the sound protect sheet to IFI bellow leg
Line 71: Line 70:
    * Now under the sensitivity curve     * Bellows leg dependence check
    * Set the sound protect sheet
Line 75: Line 75:
    * Test done     * Bellows leg dependence check
    * Set the sound protect sheet
Line 81: Line 82:
     * Peak suppression
Line 83: Line 85:
    * MICH controls investigation
     * POP table to REFL table
     * Simulation
Line 180: Line 185:
  * Hammering and Shaker injection on PRFPMI   * Ground motion Yend 1F
Line 183: Line 188:
  * Ground motion Yend 1F   * Tapping test around BS

Weekly PEM meeting

General announcement

  • KAGRA visiting plan
    • Now, the budget of KAGRA is limiting, but if you want to visit Kamioka, please contact to Yokozawa
  • SEO budget
    • For maintenance, observation and toward O5

Meeting and Conference issue

  • JPS meeting (Online)
    • Washimi(Schumann resonance)
    • Fukunaga(Schumann resonance)
    • Miyamoto(Weather)
  • ICRC 2023
    • Nagoya
    • Deadline 2/20
    • url

  • Yokozawa will present about KAGRA PEM
  • LVK meeting
    • 13 - 16 Mar
    • url

  • ILANCE conference
    • 27 - 30 Mar
    • Kyoto University
    • url

  • GWADW 2023
    • 21 - 27 May, Elba, Italy
    • One day could be the day for "KAGRA commissioning support" and "experiences/results in KAGRA" presentation
    • The 3rd generation can be a large topics because ET is now proceeding.
  • 10th KIW
    • 29,30th May
  • Other meetings url

If you have some presentation about PEM related, please contact to me.

Business travel

  • Depending on the situation of COVID-19
  • To Kamioka
    • Suzuki (3/19-3/21)
  • From Kamioka
    • No

General issue

  • PRFPMI locked
    • 1.2 W output from IMC (7 W when O3GK)
      • Best ~0.8 Mpc
      • Average ~0.6 Mpc(?)
    • Activities this week
      • ISS servo investigation
      • Set the sound protect sheet to IFI bellow leg
      • Alignment sensing and controls (Start using PRFPMI)
    • Noise hunting
      • MICH and PRCL feed forward implementation
        • More tuning will be performed
      • Vibration of OMC leg
        • Bellows leg dependence check
        • Set the sound protect sheet
      • Vibration around IMC
        • Test done
      • Vibration around IFI chamber
        • Bellows leg dependence check
        • Set the sound protect sheet
      • Noise budget evaluation
        • MICH, PRCL, CARM, Intensity, etc
          • Noise projection investigation
        • Suspension sensing noise
          • Except for BS sensor noise evaluated
          • Peak suppression
      • Interferometer characterization
        • Increasing the power at REFL table
        • MICH controls investigation
          • POP table to REFL table
          • Simulation
        • Alignment sensing and controls
        • Control filter optimization
      • Suspension control
        • Now evaluating the suspension control noise
      • Increased the laser power
  • 出張PEM injection (planning form)

Jurnal paper issue

Details are here!

  • ICA for E-run/O3GK (Kume, Kobayashi)
  • Micro seismic analysis (Hoshino)
  • Acoustic reverberation time paper (Washimi+)
    • Suspend
    • Re-measurement before O4?
  • Tonga GIF paper
    • Playground application

Preparation for O4

  • Many portable accelerometer to chamber and beam ducts
    • Checking the vibration effect from vacuum pumps
    • Evaluating the effect to OMC leg
    • Remove after hammering test
  • Finalize the PEM installation
    • Accelerometer to C chamber and TMS table
    • Microphone to C chamber
      • Do we need both booth and field?
  • Investigation of the PEM injection is just started
    • Acoustic injection preparation
      • Output sound smaller compared from O3GK's
    • Magnetic injection
      • After O4a?
  • Voltmeter preparation
    • We made the PEM channel
      • K1:PEM-VOLT_{PSL,IMCREFL,REFL,ISS,AS}_TABLE_{GND,FLOAT,DIFF}
      • K1:PEM-VOLT_OMC_CHAMBER_{GND,FLOAT,DIFF}
    • AC power monitoring
      • Bought transreducer
      • Prepared
    • DC power monitoring
      • Arrived at Kamioka
  • After O4
    • RF monitor with mokugo
    • Tiltmeter
    • RI detector
    • Newtonian noise
  • Discussion with DET members
    • Daily summary page PEM

Progress report

  • Yuzurihara
    • Pastavi
    • Data Quality Report slide

    • Data quality evaluation
  • Suzuki
    • Water simulation
  • Hoshino
    • Seismic motion analysis
  • Sato
    • Sound source analysid
  • Miyamoto
    • Weather analysis
  • Kume
    • Report of paper progress
  • Fukunaga
    • Schumann resonance
  • Kiyota
    • Power line noise investigation
  • Nishizawa
    • Water newtonian noise
    • Magnetic field analysis
  • Washimi
    • Ground motion Yend 1F
  • Yokozawa
    • Tapping test around BS

Place for memo

KAGRA/Subgroups/PEM/Meeting/230324/Agenda (last edited 2023-03-24 07:39:10 by TakaakiYokozawa)