Archive of the Daily Commissioning Meeting at 1PM

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Today's work plan: 2019/8/1 1PM - 2019/8/2 1PM

Afternoon

• GV opened last night
• ITMY release ongoing (CRY, VIS)
• After releasing, ITMY alignment using MICH (Nakano, CRY, VIS)
• Fabian will investigate the difference between FLOAT and ALIGNED (Fabian)
• Finesse re-measurement (Nakano) - We might want to warm up IY. To be discussed. Maybe if 70-80K doesn't recover the finesse.
• Type-A common guardian
• Oplev swap for IMMT2
• Oplev swap for PR2 if possible with IFO

Evening

• Finesse measurement
• Arm transition method commissioning

Morning

• Continued SRs study (Fabian)
• IY final checks (earthquake stops etc) and cleaning (Aso, Ushiba)

We want a sensitivity monitor!

We want to plan Feedforward on typeA!

We want to decide the Commissioning strategy!

Note

• IY chamber will be closed on Saturday

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Today's work plan: 2019/7/31 1PM - 2019/8/1 1PM

Commissioning leader: Miyakawa (July 29-30), Aso (August 1-3)

Afternoon

• ITMY: BF work. (Okutomi, Sato, Fujii)
• ITMY: H1 actuator investigation. (Ushiba, Yamada)
• PEM: Reporting Temperature. (Yokozawa)
• VAC, MIF: Opning GV, alingment. (Saito, Nakano, Michimura, Akutsu)
• ASO: Small works at ETMX (Akutsu)
• Replacing light source for IMMT2. (Akutsu)
• Type B: Back to aligned mode. (Fabian)
• DET: replacing OS of DET computer for offline analysis. (T.Yamamoto)
• CAL: Xend Tcam will be touched. (Inoue)

Evening

• IFO some work. (Nakano, Michimura, Akutsu)
• VIS work can be done for Y arm work since Y arm is not available for a while. (Fujii, Okutomi)

Weekend

Morning

• Releasing ITMY suspension. (Ushiba)
• PSL work for grounding problem. (Nakano)
• Maintenance for Ondotori at X-end (T.Yamamoto)

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Today's work plan: 2019/7/30 1PM - 2019/7/31 1PM

Commissioning leader: Miyakawa (July 29-30), Aso (August 1-3)

Afternoon

• Fix ITYM F0 motor and to check BF. (Okutomi, Sato, Fujii)
• Check H1 actuator. (Ushiba, Tomaru, Yamada)
• ALS: Tuning returning beam at center area, and in PSL room shortly. (Enomoto, Sugimoto)
• Connecting tube on the AS table. (Michimura)
• ISS: work for servo in the PSL for 30min. (Yoshioka, Nakano)
• AOS: Some small works in the center room for oplev. (Akutsu)
• PEM: test a new sensor at IY0 rack. (Yokozawa, Washimi)
• BS: measurement of noise. (Fabian)

Evening

• IFO some work. (Nakano, Michimura, Akutsu)

Weekend

Morning

• DGS maintenance for exchanging k1dc0, adding BIO cards to k1ioo1 for ALS control (Yamamoto, Oshino)
  • VIS should go safe mode. (Fabian)
  • DC power source will be exchanged at ALS0 and ALS1 rack. (Kamiizumi)
• Fix ITYM F0 motor and to check BF. (Okutomi, Sato, Fujii)
• Connecting tube on the AS table. (Michimura)
• AOS: Some small works at Y end for oplev. (Akutsu)
• PEM: work around IYC chamber. (Yokozawa, Washimi)

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Today's work plan: 2019/7/26 1PM - 2019/7/30 1PM

Commissioning leader: Miyakawa (July 29-30), Aso (August 1-3)

Afternoon

• Monitor for venting ITMY (Okutomi)
  • Updating RT model for Type A, except for ITMY (Okutomi)
• ASC test on ITMX (Ushiba)
• ETMX work (Fujii)
• SR3 work for control loop IM yaw (Fabian)
• OMC characterization with control (Kokeyama, Somiya)
• Fiber noise cancellation at control room(Enomoto, Sugimoto)
• ISS put wind shield outside PSL (Yoshioka, Kukromiya)

• Pick up Moku:Lab (Guiguo)

• Stop venting around the evening (Ushiba)
• Checking cable noise for PEM (T.Takana)
• PEM: Vibration measurement at IXC (Yokozawa)
• Measurement for PRs (Shoda)

Evening

• Fiber noise cancellation (Enomoto)

Weekend

• Fiber noise cancellation work at PSL on Saturday and Sunday(Enomoto, Sugimoto)
  • Changing optics for Yarm.
• Venting again on Sunday morning (Ushiba)
  • Monitor for venting ITMY (Okutomi)
• ETMX work on Saturday and Sunday(Fujii)

Monday Morning

• SRs TF measurement, off load (Fabian)

Monday Aftenoon

• SRs TF measurement, off load (Fabian)

Monday Evening

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Today's work plan: 2019/7/25 1PM - 2019/7/26 1PM

Commissioning leader: Miyakawa (22nd-26th)

Afternoon

• Fixing ITMY stuck (Okutomi)
• ASC test on ITMX (Ushiba)
• ETMX work (Fujii)
• SR3 work for control loop IM yaw (Terrence)
• Cabling for BIO this afternoon (Enomoto)
• Xarm ALS hand over to IR using TR (Enomoto)
• OMC characterization with control (Kokeyama, Darkhan)

Evening

• Xarm ALS hand over to IR using TR (Enomoto)

Weekend

Morning

• ITMY damping (Okutomi)
• Type A work (Fujii)
• ITMX damping (Ushiba)
• Cryo cooler valve exchange (Kimura, Ushiba)
• SR3 TF measurement (Fabian)
• Automation for SR3 and SRM (Shoda)
• Noise source by cable or something in the center room (Yokozawa)
• Setting magnet meter at Y end (Yokozawa)

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Today's work plan: 2019/7/24 1PM - 2019/7/25 1PM

Commissioning leader: Miyakawa (22nd-26th)

Afternoon

• Replacing LVDT driver on SR3(Fabian)
• Single arm locking (Nakano)
• Fix AC to stablize temeparute (Miyoki)
• ITMY damping (Okutomi)
• Maintenance for Ondotori (Yokozawa, T. Tanaka)
• ALS model medication (Enomoto, Sugimoto)
• MZ in PSL room for a hour (Guiguo)
• OMC characterization with control (Kokeyama, Darkhan)

Evening

• ALS hand over to IR using TR (Nakano, Enomoto)
• DRFPMI lock (Nakano, Enomoto)

Weekend

Morning

• ITMY damping (Okutomi)
• Type A work (Fujii)
• SR3 OSEM check (Fabian, Terrence)
• Automation for Suspensions except for SR3 (Shoda)

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Standing issues

• Try FPPRMI: with stable 3f signals and ALS extra range, FPPRMI may fix the glitches?
• Fast shut off feature on type-A after lockloss not to ring (real time model change, Stefan)
• Y-arm lock
  • ETMY suspension control
  • ITMY damping
    • One IM magnet is broken. Need a different strategy. Use MN ? (Yamada, Okutomi)
• DRMI lock stability
  • Model HOM-PHD signal distortion (Aso, Kokeyama)
  • Search for better Gouy phase in PRC
• Initial alignment automation (Nakano)
• IFO configuration Guardian (Kokeyama)
• SDF for all the VIS (Shoda, Okutomi)
• Type-A related
  • Implement BF stage control on ALIGNED state on type-A guardian (Kokeyama)
  • United Guardian for all 4 suspensions (Okutomi)
  • Damping
  • Exchanging modified HPCD.
  • Type A: Feed forward technic to suppress extra motion (Nakano)
• Type-B related
  • SR3 Yaw motion is too large (Fabian, Terrence)
• Type-C related
  • OSEM characterization for OSTM (on going, Takahashi)
• OMC
  • Check the OMC on the AS table
  • OMC characterization with control
• Laser safety
  • Debug the laser safety guardian (Nakano)
• IR QPD, centering on IR , green QPD at ETMY (Akutsu)
• AS tube installation on 7/30-31 (Michimura)
• Valve unit exchange for ITMX on 7/26 for 1-2 hours (Kimura)
• Fiber noise cancellation on Saturday (Enomoto, Sugimoto)

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Today's work plan: 2019/7/23 1PM - 2019/7/24 1PM

Commissioning leader: Miyakawa (22nd-26th)

Afternoon

• PEM: 320.5Hz noise (Yokozawa)
• Preparation for fiber noise cancellation (Enomoto, Sugimoto)
  • This turns on air filters.
• OMC control (Kokeyama, Darkhan)
• ALS hand over to IR(Stefan, Valera, Nakano)

Evening

• ALS hand over to IR (Stefan, Valera, Nakano)
• DRFPMI lock (Stefan, Valera, Nakano)

Weekend

Morning (Monday)

• ITMY damping (Okutomi)
• Type A work (Fujii)
• SR3 OSEM check (Fabian)
  • DGS maintenance for prm or srm.
• Adding BIO card to k1als0, k1ioo1.
• Exchanging old type modified HPCD. (Ushiba, Takahashi)
• ISS control servo (Yoshioka, Kokeyama)

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Today's work plan: 2019/7/22 1PM - 2019/7/23 1PM

Commissioning leader: Miyakawa (22nd-26th)

Afternoon

• Exchanging HPCD(Fabian, Washimini)
  • check the range of new HPCD using oplev (Valera, Nakano).
• ITMY damping (Okutomi)
• ALS sweep to find IR resonance (MN, VF)
  • TEMP00 lock with dither(Nakano).

Evening

• ALS sweep to find IR resonance (MN, VF)
• DRMI lock (Stefan)

Weekend

Morning (Monday)

• ITMY damping (Okutomi)
• SR3 OSEM check (Fabian)
• Type A: Feed forward technic to suppress extra motion (Nakano)

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Today's work plan: 2019/7/19 1PM - 2019/7/22 1PM

Commissioning leader: Aso (19th), Miyakawa (22nd)

Afternoon

• ALS sweep to find IR resonance (MN, VF)
• Start X-End cryocooler (Yamada, TakahashiM)
• Implement BF stage control on ALIGNED state on type-A guardian (Kokeyama)
• ISS servo setup and OLTF measurement (Yoshioka, Kuromiya, Yamamoto)

• Serial number check of OpLev SLDs (Yamada)

Evening

• ALS sweep to find IR resonance (MN, VF)

Weekend

• IFO configuration guardian (Kokeyama, Saturday)
• Modification of the IMC servo (Enomoto, Sunday)

• Transition to IR (Nakano, Valera, Sat & Sun)

• TF measurement of Type-A (Yamada, Saturday morning)
• ITM actuator efficiency measurement (Sun morning ?)

Morning (Monday)

• SR3 OSEM check (Fabian)

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Today's work plan: 2019/7/17 1PM - 2019/7/18 1PM

Commissioning leader: Aso (July 17th-19th)

Afternoon

• ETMY HP coil driver check (Takahashi, Yamada)
  • Watchdog, Output resistance, Cable resistance, Take a picture of the PCB
• Check the maximum current acceptable by the in-vac cable.
  • Calculate theoretical limit (Ushiba)
• AS alignment (Kokeyama et al)
• SR3 OSEM check (Fabian, Terrence)
• Y-arm mass lock trial (SB, EY, MN, et al)
• ISS work (Yoshioka, Nakano)

Evening

• Y-arm mass lock trial (SB, EY, MN, et al)
• Type-A guardian work on ETMX (Kokeyama)
• DRMI investigation ? (SB, EY, MN, et al)
• Found Y end coil needed more range, more drive for MN (dominate 10Hz sensing noise limited, cross over)

Note

• DC feedback works perfect
• Tcam alignment system is done (see from camera screen)
• ALIGNED guardian on ETMX (test phase)

Morning

• HP coil driver modification ? (Yamada, Fabian, Terrence)

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