Keywords: Achievements (FT, LIU), Stand vs. BCMS, protons & ions, equipment needing attention and progress in monitoring, limitations emerged and perspectives, impact on operational efficiency of filling scheme (3x 36b vs hybrid)
Keywords: BSI calibration results, ASM planning proton sharing, electron beam quality in H6/H8 electron users, High intensity muon beam test in M2 (road to have higher intensity post-LS3), record high intensity electrons in H4, operation of H4-VLE (Neutrino Platform), CEDARs operation, user changeovers/preparations/planning, low momentum in East Area, East Area variable spill lengths. Major...
Keywords: Operation of facilities, is modeling adequate, e.g., optics, impedance, aperture?, opportunities for automation and test bench new algorithms, critical equipment, integration of operation, need for instrumentation? feedback from experiments (AD/ELENA, AWAKE)
Keywords: 2024 highlights of EA, NA, nTOF, ISOLDE physics results (‘where protons are going’), beam quality (client view), upcoming expectations for 2025-6 (physics/infrastructure requirements & beam characteristics)
Keywords: Achievements and limitations, Standard vs. BCMS (brightness, tails), beam quality from injectors and preservation, high intensity, protons & ions, equipment fault analysis (why was summer such a good production period), operational efficiency, super-smooth injection and filling. Summary of ion operation.
Keywords: 2024 highlights of physics results (‘where protons are going’), beam quality (client view), upcoming expectations for 2025-6 (physics/infrastructure requirements & beam characteristics)
Keywords: MD threads & requests, MD time allocation & adequacy including preparation (e.g., prep for LHC MDs in injectors), impact of intensity limitations on MD program (injectors, LHC), organisation and execution, relevance to operation
- focus on injectors only
- risks to be taken, and difficulties to be encountered
- what could be anticipated in 2025/26 to optimise the post LS3 restart? e.g. needed studies
- proposal for a LIU Reliability Run; additional MDs to explore limits?
- results of fault analysis per machine (including Exp. Areas)
- how are the results used? what is AFT ‘actually’ offering? e.g. proactive maintenance
- follow-up structure and reporting?
- features to be added, feedback from users (tools and automation covered in Session 6)
- IR8 cooling capacity and known limitations, available margins
- follow up on delaying of cryo valve opening (resulting in losses and dumps due to fast growing orbit oscillations, in 2023)
- mains regulationa and overshoot follow-up
- 50 Hz noise effects on SFTPRO spill, and on protons and ion LHC flat bottom losses;
- prospects for corrections on the hardware side
- equipment from commissioning to operation, exploitation and maintenance of existing instrumentation (focus up to 2026)
- HL preparation, NA-CONS and ECN3, ACC-Cons, feedback from BIFT on upcoming
consolidation efforts and items not covered - BSI, BGC, BGI, wire scanners, …
- ion beams
- Thales plants: high failure rates, limited RF power
- status of understanding, solved and open issues, solutions and prospects
- highlights of recent equipment designs, bright ideas, i.e. the bright side of the session, what was done right
- Control loops modelling and applications across the chain
- LHC power limitation at injection
- BCMS v. std longitudinal evaluation
- Modelling aspects of bunch length control in the ramp and flattop
- Where do we stand in the SPS and LHC?
- Update on e-cloud modelling, comparison with measurements and projections
- Optimum filling scheme options for 2025-2026 from e-cloud perspective (to be completed in the session 3 talk “LHC: issues, mitigations and plans”)
- Impedance modelling implications on equipment design (WS, BGI, TDIS, kickers, etc.)
- Intensity limitation update for the vacuum modules, any showstopper to start 2025 with 1.8e11 ppb?
- Update on impedance budget for LHC – which affect also HL-LHC?
- Magnetic model of the PS main magnets, improvement optics and application to other machines
- Control of Q and Q’
- Zero dispersion optics
- Changes in 2024 in thresholds (ions, TCPs, IR3 etc.)
- Do we need blindable injection BLMs?
Overview 2024
LHC oxygen run in 2025
Development for future ions after LS3
Status of the source and LINAC3 accelerator model
ALICE background and crystals stability
Beam quality in the injectors, in particular LEIR and SPS (issue in 2023). What should be improved or done differently?
Phase knob, collimator hierarchy breakage, DA simulations: how models feed into operation settings (theoretical modelling, simulations and understanding)
Tail population from scraping (EoF + MD), LRBB wire compensator effect on tail population, …
Beam studies towards a dedicated SPS collimation system
LEIR - progress / challenges to optics measurement (tools, BPMs, lack of good models)
PS - zero dispersion optics to improve emittance measurement, deconvolution tests, comment on viability to other machines if progress made
LHC - general status of optics studies - what is standard vs expert. What developments of tools are needed.
LHC - AC-dipole status - critical spares.
LHC commissioning...
2024 report: settings-related issues and improvements
Future plans: what will be done in 2025 and beyond, with resource requests
Settings management in the automation context: online checks for all machines, avoiding trim conflicts (human <-> controller, controller <-> controller)
(Replacement of CESAR)
Beam scheduling: progress in 2024 and future plans
Automatic LHC beam preparation
Progress in 2024 across complex (online beam quality monitoring, optimizers, sequences / orchestration)
Future plans and missing pieces across complex (PSB, PS, SPS)
Feedback from operation team on usability and integration of automation tools
How to improve interaction with controllers (e.g. manual intervention)
Limitations: diagnostics / monitoring, performance of autopilots
Automatic fault tracking and analysis
Current status of equipment integration description and configuration across sector and ongoing efforts (E2A)
Where do we want to go?
Are current efforts for cleaning up “digital thread” sufficient?
NXCALS, JAPC, LSA: overview of users needs and experience
Introduce “Smart and agile equipment paradigm” from EPA WP8: online and offline analysis requirements
Introduce the developments of DPP and timelines
What about GPUs for advanced analysis and integration of active and continual learning schemes?
Why surrogate models and why surrogates with ML?
How to incorporate inductive bias? PINNs, symmetries,…
Examples and prospects
Infrastructure requirements for full integration in control room (storage, refer back to previous talk,…)
Status and prospects for required magnetic measurements
Modeling techniques
Timeline and prospects
How much time do equipment experts and piquets spend on remote and local interventions?
Is there sufficient data available across the groups to do this analysis?
What kind of data exists across the groups (what is logged?) and what would be needed in addition to extend the analysis?
Can we quantify the potential gain from automating remote interventions?
Can we differentiate between simple...
How can we avoid that equipment experts spend so much time supporting operations?
Include an overview of which and how interventions are done remotely across groups.
Which interventions can be automated and what has to be considered (robustness of the solutions, extensive pre-studies and risk analysis of possible failure modes, redundancy designed into the system, remote diagnostics and...
