update bdm minutes

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2025-03-25 01:44:44 +01:00
parent 3576ffb30b
commit fbc0debd2c
3 changed files with 7 additions and 4 deletions
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@@ -132,6 +132,9 @@ Minutes written by {{Felix}}
* **Operation / Vacuum Conditioning** by {{Felix}}
* Summary of Vacuum Conditioning Activities (focus: past weekend)
* ??? info "Plots"
![Image](files/20250321_weekend.pdf){ align=left }
![Image](files/20250321_weekend2.pdf){ align=left }
* beam dose increased over weekend from 24.4 Ah to 35.7 Ah
* average current 175 mA with 2.9 h lifetime at 1.6 Lossratio
* max stable current 200 mA with 3.2 h lifetime at 1.5 Lossratio
@@ -154,12 +157,12 @@ Minutes written by {{Felix}}
* Temperature sensor defect (-3228 deg) could not be diagnosed and fixed
* Piquet statement: we are only responsible if entire MIS fails not single sensors
* Machine Expert Piquet training needed
* We need to be extremely careful not to create the impression that priority is shifting to beamlines
* many systems are not yet commissioned or running stable (timing, RF, feedbacks, diagnostics, ...)
* **We need to be extremely careful not to create the impression that priority is or can now be shifted to beamline tasks**
* we are still far from having reached the anticipated machine state for user operation
* ??? info "We are so far slower at accumulating beam dose than anticipated"
![Image](files/20250324_screenshot.png){ align=left }
* -> we should be careful
* extending tunnel access for beamline work and making tunnel access free sends the wrong signal
* many machine systems are not yet commissioned or running stable (timing, RF, feedbacks, diagnostics, operation, PLC systems, ALH, ...)
* extending tunnel access for beamline work and providing free instead of restricted tunnel access could lead to misconception of our machine readiness state
* **Booster/BRTL Optimization** by {{Jonas}}
* After timing update, the magnet ramps had to be shifted by 2.5 ms earlier