2025-03-15

Notes

Identified tasks

DevOps

• Rollback transformertf to old relative time transform in v0.7 [priority:: highest] [completion:: 2025-03-15]

  • Integrating a new relative time transform in v0.6 broke previous checkpoints.

• Update transformertf with new relative time transform in v0.8, and add relative_legacy time format to support old checkpoints [priority:: highest] [completion:: 2025-03-15]

• Write script to patch transformertf checkpoints to go from v0.5 to v0.8 (relative time transforms) by changing the time_format=relative to time_format=relative_legacy. [priority:: highest] [completion:: 2025-03-15]

• Update sps-mlp-hysteresis-compensation to new transformertf version. [completion:: 2025-03-15]

• Update Gloria to transformertf v0.8 [completion:: 2025-03-15]o

  • Gloria is not based on relative time transforms (absolute)

• Add TrackResetReference converter to sps-ucap-hysteresis-compensation. [completion:: 2025-03-16]

• Update sps-app-hysteresis and sps-ucap-hysteresis-compensation to use new CycleData.economy_mode enum in hystcomp-utils. [completion:: 2025-03-16]

• Upload TFTMBI-50 to MLP [completion:: 2025-03-15]

• Write documentation in obsidian for MBI compensation flow [completion:: 2025-03-16]

• Release sps-app-hysteresis for SPS Beam Commissioning 2025 [completion:: 2025-03-16]

Eddy current decay

• Use FFTs to calculate Discretization of the differential equation. [completion:: 2025-03-16]
• Implement Eddy current decay calculation for flat bottom on coming cycles based on cycle warning in a notebook [completion:: 2025-08-01]
• Implement calculation of $\Delta B$ from $\Delta r$ in notebook to use during BC MD 2025-03-18. [completion:: 2025-08-01]

Improved model

• Simulate new Jiles Atherton waveforms (generate new currents) with ramp-downs with constant ramp rate (4000 A/s) like SPS mains, call them v3. [completion:: 2025-08-01]
• Fit Calibration function to new Jiles Atherton waveforms on the ramp-up.
• Train small TFT on new dataset. [completion:: 2025-03-16]
• Finetune small TFT on Dipole datasets v4. [completion:: 2025-03-16]
  1. Drift-correct SFTPRO1/2/3 if preceeded by MD1 for Dipole datasets v5

Operation

• Investigate differentiable jiles atherton for fitting MBIs data [completion:: 2025-03-16]