LSA Deployment for LHC

LSA Deployment for LHC

Mike Lamont on behalf of the LSA team

LSA deployment 26/11/2007

Status LSA has been deployed:

LEIR SPS transfer lines: TT40, CNGS, TI8, TI2 Hardware Commissioning LHC power converter tests SM18

Database is in good shape Technology well established Core software in place, tested and deployed Looking forward towards the LHC…


Requirements Core Functionality

Settings management etc. etc. as detailed

Equipment Instrumentation Measurements Operational exploitation Timing On-line Models

MADX, FIDEL, Aperture

Mode, data distribution Applied LSA applications

Orbit, luminosity scans etc.

LSA Core in action


Settings Management Complex Parameter Space

Momentum, Tune, Chromaticity, OrbitMagnet strengths, Multipole Errors, Decay,

Snapback..Power converter currents inc. nested tripletsKnobsKickers, Collimators, TDI…Spectrometer compensationCrossing angle Separation bumps

■ - at least partially addressed


Settings management Injection plateau

Subset or all PCs Correctors for energy stability Multipole error compensation

Prepare ramp Incorporation Calculation of snapback depth, adjustment of ramp functions

Ramp Snapback, Stop Power Converters, RF, Collimators, Feedback

Squeeze Q,Q’, stop, adjust, continue, collimators, feedback

Feed-forward & Feedback From feedback systems From reference magnet systems


Optics

• ramp and squeeze tests in all LHC IRs

• power converters in short circuit

• 7-8 for real

• Including running MAD, uploading optics etc


Ramp


Squeeze


Squeeze


FiDeL

Import of coefficients on to staging tables Extraction to LSA tables Invocation of FiDel@LSA to produce

Calibration curves Harmonic curves

Settings generation Injection/decay Ramp/snapback


Settings Pre-cycle configuration and generation Injection plateau Standard LHC ramp

FiDeL deployed under LSA and tested: Transfer functions (Calibration curves) Static harmonics Decay Snapback & correction…


Parameter space

Settings for dipole & correctors in terms of

• Momentum

• Strength

• Current

• Cn

Point to the two available power converters as necessary


Decay


Snapback – b3


Snapback - current

Equipment


INJECTION KICKERS X X X X X X

BEAM DUMP X X X X X X

POWER CONVERTERS X X X X

COLLIMATORS X X X X X

RF X X X X X

LFB X X X X X

TFB X X X X

MAGNETS X X

MKQA X X X X

WARM MAGNETS X X X X

RADIATION MONITORS X X

SPECTROMETERS X X X

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Collimators & Absorbers Parameter space, functions and actual settings, trim (σ etc.) & drive in place plus application (c/o Stefano)

Beam Dump GUI -

Beam dump XPOC Spec out. V0.1 prototype in place

Power converters Parameter space, functions, actual settings, trim, drive in place and tested.

Radio Frequency V0.1 slow control application. Requirement spec in.

Longitudinal Feedback ditto

Transverse Feedback ditto

Injection Kickers V0.1 application in place

Q & aperture kicker, AC dipole -

EquipmentGeneric equip state and equip monitor in place

Instrumentation


Instrumentation

BPMs X X X 1

BLMs X X X X 1

BCT X 1

BTV X X X X 1

Rest Gas X X X X 3

Sync. Rad X X X X 1

Wire Scanners X X X 2

Luminosity X 1

Tune etc. X X X X 1

AGM X 2

Schottky X 2

Wall Current X 2

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For all systems assume:

Fixed display standard unless otherwise stated

Logging Standard

SDDS Complex measurements Shot-by-shot data

Post Mortem Standard API Analysis tools – necessity driven

Standard fitting routines Work in progress


Measurements

All measurements to be recorded together with measurement parameters

Standard facilities for display, browsing and analysis Archiving, references etc. Access for post-mortem, post-run analysis, web access

etc. Standard data format Interface to analysis tools

SDDS


BLMLHC – Beam Loss Monitors

Concentration and re-publish Prototype in place

Threshold Management/ Database configuration Work in progress (Trim… Drive to crate.. management… MCS…

expert app)

Triggered acquisition of snapshot buffer Triggered acquisition of XPOC buffer Dedicated fixed display/application Expert Application Logging

Heavy filtering required, tests ongoing


BPMLHC

Capture, CO, PM, FIFO, XPOC Capture, CO, FIFO

Concentration & re-publish done Capture – Multi-turn: write to SDDS done

Multi-turn application done Beta beating

Work in progress

Correction YASP – alive and kicking – actual trim

Real-time Work in progress APIs to LSA (Twiss, corrections, etc.)


BQBBQLHC

Tune: FFT Continuous FFT PLL (Feedback)

Chromaticity Frequency modulation/PLL

V3 requirements spec in circulation (LAFS) Daemon mode


Beam Loss Monitors acquisition & concentration Ongoing, deployed, tests

Beam Loss Monitors – display v2 Prototype

Beam Loss Monitors – detailed app. To spec

Beam Loss Monitors – MCS – configuration & tests Threshold tables in place, application to be done

Bunch Current Transformers acq & display BCTDCLHC & BCTFDLHC & BCTFRLHC

Fixed display in place

Instrumentation


First beam in LHC


Instrumentation

BPM: acquisition & concentration & publish V0.1 in place

BPM: trajectory display Proto in place

BPM: trajectory and orbit correction YASP

BPM: multi-turn analysis V1 in place

BPM: beta beating analysis Work in progress

BPMDLHC - dump line BPM -

BPMITLHC – interlocked BPMs -

BTVI/BTVMLHC Screens (matching monitors) Extension of existing


Instrumentation

Radmon – acq –conc - display proto done

BQHTLHC – head-tail Chromaticity BI

BSRALHC Abort gap monitor

BSRTFLHC/BSRTSLHC Synchrotron radiation monitors

LAFS – first version in place

BGILHC – Rest Gas Monitor LAFS

BWSLHC Wire Scanner LAFS – first version in place

Wall Current Monitors (RF)

BQSLLHC - Schottky LAFS - specification

BRASCLHC/BRASGLHC - Luminosity monitors


LHC BLM concentrator & display


Synchrotron radiation monitors


Wire scanner


BPM Concentration


CMS Luminosity


TIMING

ms Timing: APIs for events, event tables, telegrams

In place, preliminary tests performed

Client API In place

CBCM: Injection request API Waiting

Timing application: add, edit, load tables. Send events etc.

Version 1 in place

Transfer synchronization: pre-pulses - diagnostics

To be tested

Synchronized actuation/measurement Spec in place

CTG high level diagnostics and monitoring

BOBR/BSTLHC Timing section’s responsibility


Timing

Other stuff


MAD & FIDEL


On-line models

On-line Model

- Requirements spec- Implementation spec- Prototype in place (trim & knob generation)

FIDEL Prototype in place, magnet tests in progress

Aperture model Prototyping in progress


OM


Machine Sequencer Ongoing, many tests performed

Injection Sequencing Timing API in place – to be tested

State machine implementation First prototype in place.

Shot Data Analysis On hold

Exploitation



Specific Applications

Orbit, threading, closure etc. etc. Done and dusted

Multi-turn analysis, beating etc. Work in progress

Luminosity optimization et al Spec’ing

K-modulation SLAC

Collimator scans Work in progress

Measurement procedures: aperture, dynamic aperture, matching, scans

DEPLOYMENT AND TESTING



Individual system deployment

BPMs Crates as available: concentration etc. Now

BLMs Crates as available: concentration etc. Now

Stand alone BI systems

As available Now++

RF Slow control, settings, timing, monitoring as tests progress.

Collimators Track tests and system commissioning Now++

Kickers Control, timing, analog acquisition Now

Beam dump XPOC, track system commissioning (essentially passive).

Now

Core LSA as required


HWC shadowing

LSA: settings, trim Ramp, squeeze, experiments’ magnets, bumps, full parameter space

Power converters As implied in the above plus PM, monitoring etc. etc.

Magnets FIDEL as implied in the above


Dry injection - DecemberOptics As usual

Settings Power converters, RF, Kickers, Collimators, Bumps, injection point steering

FIDEL 450 GeV – decay, transfer functions

Timing BST, GMT, timing tables, events, telegrams, injection request, application, sequencer

Kickers Timing, control, analog acquisition

RF Pre-pulse

Standard facilities Mode, FD, logging, alarms

Collimators FSM, settings, monitoring

Screens Control, acquisition

BPMs, BLMs, WS, SRMs Event triggered acquisition,

Drive Injection sequence


Dry sector test

Drive full sector (cold magnets) through full operational cycle Large scale test of FIDEL, power converters, timing [QPS, EE, cryogenics, PIC, PM]

Extend to cover Beam instrumentation Collimators (if available) Kickers TDI LHCb …

Etc…


Conclusions

For a large part, the implementation of LSA functionality has been successfully performed.

Move to exploitation phase where we harness that functionality to meet LHC requirements

The requisite software needs to be deployed and tested over the coming months

Staged approached Individual systems HWC shadowing Dry runs

Injection Sector N*sector

Documents

LSA Deployment for LHC