Differences between revisions 182 and 184 (spanning 2 versions)
Revision 182 as of 2017-12-13 09:34:11
Size: 3156
Editor: KousekiMiyo
Comment:
Revision 184 as of 2017-12-15 15:54:38
Size: 3452
Editor: AyakaShoda
Comment:
Deletions are marked like this. Additions are marked like this.
Line 25: Line 25:
 * Improve OL offloading.
 * Improve GAS offloading.
 * Spectral analysis of Oplev.
 * Design, install angular lock servo using OL.
 * Adjust gains and debug damping for IM OSEMs and GAS LVDTs.
 * Calibrate IP LVDT actuation against IP LVDT sensing. (Klog 3553? http://klog.icrr.u-tokyo.ac.jp/osl/?r=3553)
 * Subtract DC level of Geophones.
 * Spectra analysis of PI sensors (PI LVDTs and Geophones).
 * Design PI Sensor blending filter.
 * Modify IP LVDT damping filters to include set point.
 * Calibrate IP LVDT sensing against IP LVDT actuation, IP FRs.
 * Set all EQ stops to TBD clearance.
 * Measure IP period; adjust ballast mass.
 * TFs.
 * Modify the model for IP coil driver control
 * Check IP BIO is working or not.
 * Necessary for phase-I★★★
  * --(Modify IP LVDT damping filters to include set point.)--
  * --(TFs.)--
  * '''''EXCHANGE YAW/VERT FRs at F0'''''
  * Check IP BIO is working or not.

 * Necessary for phase-II★★
  * Calibrate IP LVDT actuation against IP LVDT sensing. (Klog 3553? http://klog.icrr.u-tokyo.ac.jp/osl/?r=3553)
  * Design PI Sensor blending filter.
  * Re-calibrate F0 GAS LVDT
  * Tune the LVDT sensitivity
  * Measure IP period; adjust ballast mass.

 * At some point (remotely)★
  * Improve OL offloading.
  * Improve GAS offloading.
  * Spectral analysis of Oplev.
  * Design, install angular lock servo using OL. (Almost done for phase-I)
  * Adjust gains and debug damping for IM OSEMs and GAS LVDTs. (Almost done for phase-I)
  * Subtract DC level of Geophones.
  * Spectra analysis of PI sensors (PI LVDTs and Geophones).
  * Calibrate IP LVDT sensing against IP LVDT actuation, IP FRs.
  * Set all EQ stops to TBD clearance.
  * Modify the model for IP coil driver control
Line 45: Line 54:
 * Write a guardian.  * --(Write a guardian.)--

VIS Type B BS Near Term To-Do List

Archived BS To-Do Items

SR To-Do Items

Every Week

Coming Weeks

Every Week

Facilities

  • Vacuum and roll floor.
  • Wipe ladders.
  • Tidy tools, parts.
  • Get stuff from ../WishList

ASAP

Main Assembly Sequence

  • Necessary for phase-I★★★
    • Modify IP LVDT damping filters to include set point.

    • TFs.

    • EXCHANGE YAW/VERT FRs at F0

    • Check IP BIO is working or not.
  • Necessary for phase-II★★
    • Calibrate IP LVDT actuation against IP LVDT sensing. (Klog 3553? http://klog.icrr.u-tokyo.ac.jp/osl/?r=3553)

    • Design PI Sensor blending filter.
    • Re-calibrate F0 GAS LVDT
    • Tune the LVDT sensitivity
    • Measure IP period; adjust ballast mass.
  • At some point (remotely)★
    • Improve OL offloading.
    • Improve GAS offloading.
    • Spectral analysis of Oplev.
    • Design, install angular lock servo using OL. (Almost done for phase-I)
    • Adjust gains and debug damping for IM OSEMs and GAS LVDTs. (Almost done for phase-I)
    • Subtract DC level of Geophones.
    • Spectra analysis of PI sensors (PI LVDTs and Geophones).
    • Calibrate IP LVDT sensing against IP LVDT actuation, IP FRs.
    • Set all EQ stops to TBD clearance.
    • Modify the model for IP coil driver control

Software

  • Update real-time model to number channels from #0.
  • Do better interface to IP steppers (make a wrapper for Miyo-kun's driver which includes geometry matrix; adapt Shoda-san's version).
  • Write a guardian.

  • Sort out SVN.
  • Create SUMCON model with values commented.

Medm screens

  • Remove unused screens.

Documentation and Operation Manual

  • Publish matrices for IP FRs.
  • Publish matrices for BS PI sensors v4.
  • Finish Foton Operation Manual page.
  • Complete MEDM Operation Manual page.
  • Pico Motor Operation Manual page.
  • Add useful info from Enzo's notebook to BSData.

Design

  • Finalize redesign of IP yaw adjuster.
  • Design better F0 FR adjuster.
  • Design LBB ballast mass.

Tasks Not To Forget

Major Tasks

  • Move safety bars from BS AF area to SR2 area.
  • Close hole in floor above BS AF area.
  • Wipe any rust from around IP LVDTs.
  • Update circuit diagram.
  • (Time permitting) Try adding mass to IP.
  • Update BS Install Procedure with screenshots from new on-assembly-frame 3D CAD.
  • Finish assembly drawing for LBB and LBB damper ring and post on JGWDoc (Hirata-san).
  • Figure out how to make PI yaw adjustment reliable.

Minor Tasks

Mechanical

  • Put pointy-tipped screw in RM trolley for BS
  • Return/replace borrowed parts:
    • Temporary ballast mass (dog clamps) in BF.

Electrical

Real-time and SUMCON models

  • Create SUMCON models for full BS and major installation milestones.
  • Create controls design description (cf LIGO-T1100378).

  • Make table of ADC/DAC assignments and check for consistency with D1503600 and k1visbs (Enzo, Mark)
  • Understand/document/debug Kokeyama-san's DIO stuff.
  • Measure LPCD and HPCD output filter response.
  • Design and install software compensation filters for LPCD and HPCD output filters.

KAGRA/Subgroups/VIS/TypeB/ToDoBS (last edited 2019-01-04 15:21:23 by MarkBarton)