<> = Agenda/Minutes = [[https://zoom.us/j/203743987|Zoom Meeting]] ---------- = CRY+VIS Interface Meeting = Date: 2024/1/5 13:00-13:30 Participants: Takahashi, Akutsu, Ushiba, Uchiyama, Sato, Aso [[https://paper.dropbox.com/folder/show/AcceptanceTest-e.1gg8YzoPEhbTkrhvQwJ2zzo3dHVh5sJGieDgbm2n3h60mGqotBeE|Acceptance check document]] == Suspensions == * Type-A: TRIPPED. Height adjustment on 12/28 in EY. Test of the IP control in IY. * Type-B: TRIPPED. * Type-Bp: TRIPPED (PR3 would deviate much.) Update of the local control in PR2/3. * Type-C: TRIPPED in OMMT1/2/OSTM. READY in MCI. LOCKACC. in MCE/IMMT1/2. Oplev signal loss in MCO. == Other items == * Oplev: Investigating the MN LEN Oplev in EY. BS was not fixed. Eyelis was covered with Al foil and the fiber edge was placed in the windshield. * ACC: * Commissioning: * Vacuum system: GVs were closed remotely. * Heater control: * TMS: == Post O4a == * Measurements of the DAC noise: Type-C. * Optimization of the damping control in PRs: * IP control with the ACCs: Test in IY. * In-vacuum accelerometer for IOO: Leak test of the geophone pod was scheduled for 1/11, but it will be postponed. * Height adjustments of Type-A in the cooling: Continuing in EY. * IMC open: == Discussion == ---------- = VIS Meeting = Date: 2024/1/5 11:00-12:00 Participants: Takahashi, Mitsuhashi, Sato, Ushiba == Summary Report == === Type-A === * Test of the IP control in IY. * Height adjustment of ETMY. === Type-B === === Type-Bp === === Type-C === === Electronics === === Control === === R&D === * TAMA-SAS experiment: Measurement of the IP+RL transfer functions. * Paper writing on the RL. == Schedule == * Recovery of the suspensions in KAGRA. == Toward O5 == [[https://paper.dropbox.com/doc/VIS-upgrade-toward-O5--B6qw57_1ZTHOEO_ZdAZi0hBjAQ-PJElGnRfe5jbNPeHWDHzi|Dropbox paper]] * Kick-off meeting for O5 task force on 1/16. * Preparation for the test of mini-GAS for the KFC suspension. == Discussion == == Next meeting == * 2024/1/19 10:00-