MPE Workshop for LS1 Summary of Global Activities Thanks to Speakers Arjan Verweij Hugues Thiesen Zinur Charifoulline Kajetan Fuchsberger

General remarks (F.Bordry, M.Bernardini, J.P.Tock) LS1 important for CERN Is a period, not only one project, to prepare the machine for 7 TeV Major operation for CERN Many people, about 800, coming in addition Will be like this for future, long shutdowns and long operation 1 month extension, for quadrupole diode repair Most important: MPE should not delay the start of beam operation (different from 2009) Clearly it is required to digest the MPE planning with the details Non-conformities detected by ELQA: who repairs? Bet for 24 fm-1, if yes I pay FB a bottle R. Schmidt and S. Rowan

Powering Tests – Arjan Verweij HWC includes more than just Powering Tests – Individual Systems Tests (IST) for many systems, – Short-Circuit Tests – Cool-down – Powering tests: – Phase 1 : ELQA, IST, …PIC1 – Phase 2 : high current tests Phase 1 and Phase 2 to be defined – some confusion…. – Powering with low current could relax planning, activities in adjacent sector allowed – Are ELQA tests part of the powering tests, or not? MPS such as beam interlocks have to be included R. Schmidt and S. Rowan

Powering Tests – Arjan Verweij Start of LS1: – Starts sectors s45 and s56 do be finished early for the train – 3 weeks duration for all powering tests – Can be powering all sectors within the first week – Operation mostly during the day, at night if necessary. – Power all circuits, except 13kA circuits, to 7TeV equivalent to detect circuit limitations – Global powering tests (all circuits together, RB and RQ limited current) – Combined exercise with OP, ABP, MP3, MPE, … End of LS1 – 5 weeks/sector – Start July 2014, expected to be finished by December 2014 – Resources: correct estimation? – When will be CSCM done? Not yet clear? – Quench frequency expected to drastically increase after 6.5TeV (even with 0.1TeV increase) – CSCM planning may completely alter current schedule R. Schmidt and S. Rowan

Powering Tests – Arjan Verweij System would greatly benefit from further Automation: – Reduces time – Reduces resources – Increases quality of data collected – Tool for comparing test results Resources: MP3 to be revived, MSC people to be involved Short-Circuit Tests - responsibilities to be clarified, who is in charge etc. No foreseen setbacks or delays Further discussion required on what SCT are actually necessary after LS1 – Do everything again or only re-commission circuits/cables which have been replaced/altered? R. Schmidt and S. Rowan

CSCM – Hugues Thiesen CSCM is a qualification tool for all connections within the 13kA circuits Carried out at a temperature of 20K to minimise damage risk to the magnets – Must be carried out during warm-up or cool-down periods Reason for Measurement: Diode connections have never actually been tested All engineering concerns have been dealt with, i.e. no foreseen setbacks/delays Start of LS1: Type test 1 sector, no delay. End of LS1: 6 sectors, no delay. All sectors, 4 week delay. – Review recommends all sectors Hardware issues – 900 boards require a small modification – Current Leads need to be tested in SM18 R. Schmidt and S. Rowan

CSCM – Hugues Thiesen Type Test, Start of LS1 – Planned for April, Sector 23 – Test without QPS plugs at 1 st, to determine if a permanent CSCM mode is a viable option. If doesn’t work, do with plugs. – To be carried out by experts – All tools (sequencer etc.) to be used, approval took, MTF storage of results – Currently no test IST or Test procedures written, needs a deadline – Time draws short, preparation is now critical End of LS1 – Expected to be fully automated and can be carried out by normal HC team – Potential for permanent hardware modification to allow for CSCM tests to carried out with ease in future Modification of mBS boards, ~10k uC need to be purchased. Decision on implementing permanent modification should be made sooner, rather than later (Though, uCs will not go to waste if not implemented) R. Schmidt and S. Rowan

Re-commissioning (IST) – Zinur Charifoulline Original commissioning EDMS documents do exist, written in 2005/6 – Need updated IST of 13kA EE – Many different tests required – Can be done at any temperature IST of 600A EE – Many tests at any temperature IST of PIC – No HW change, but major tests to be redone, then interfaces, finally PIC1, at any temperature – Necessary to be approved before Phase 2 powering tests IST of QPS (very large activity, IST.QPS to be split) – Majority of tests can be done at any temperature – HW interlocks, 100% need to be working correctly – Quench Heaters (6076) need to be tests, must be done at cold. (Fire all heater power supplies at full voltage???) Software tools are needed, this is essential R. Schmidt and S. Rowan

Automation Strategies for LS1 – Kajetan Fuchsberger Automation aims to reduce time/resources and improve reliability during commissioning Automation involves AccTesting software and PM framework New version for AccTesting for start LS1, then ready for start IST (4/2014) Currently operates in parallel with Alvaros pages (being removed) Dedicated AccTesting Database in development (allows to tests more than circuits) AccTesting GUI: more info on pages, edit test plans easier, multiple campaigns, etc. Analysis: much more in SW, lot of potential, could drastically reduce analysis time of successful tests PM analysis server could do a lot of analysis (used in PM system) – Better than LabView – Lot of analysis modules are existing PM system: A lot of adaptation required in LS1 R. Schmidt and S. Rowan

Automation Strategies for LS1 – Kajetan Fuchsberger BIC communication tests (to PIC, FMCM and WIC) to be automised ELQA: should be included into the framework – link between DBs – Possibly before LS1 Collaboration with others: Inside and outside the group SCRUM: method of predicting work load – Good experience with Story Points – 9 projects, 2 will take about 60% of capacity – Notably applicable to other aspects of planning, not just SW Plans for a working group to work specifically on automation (one of three working groups) + coordination and interfaces + MP3/COMS R. Schmidt and S. Rowan

Thanks for listening!