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Review of BID Workpackage: Controls & Design Strategy

This agenda outlines the review of Beam Intercepting Devices (BIDs) work package, focusing on functional requirements, simulations, thermo-mechanical analysis, design, controls, and manufacturing strategy led by R. Folch. Discussion and review of controls for movable BIDs, including a risk analysis on scrapers drivers' radiation exposure, interlock system design, and signal specifications. The agenda also includes milestones such as defining scope, actuating systems, and creating XML files for BIS controls. It concludes with cable routing proposals and patch panel arrangements by D. Grenier based on Linac 4 design.

julie-welch
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Review of BID Workpackage: Controls & Design Strategy

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  1. Agenda https://indico.cern.ch/conferenceDisplay.py?confId=181008 End 12:00 Workpackage overview – R. Folch (25’ + 5’) Functional requirements of the BIDs – R. Folch (5’ + 5’) FLUKA simulations - A. Christov (15’ + 5’) Thermo-mechanical analysis – M. Delonca (25’ + 5’) BREAK (15’) Conceptual and detailed design – M. Fürtinger (25’ + 5’) Controls for movable BIDs – R. Folch (10’ + 5’) Manufacturing strategy – R. Folch (15’) Discussion – All (15’) R. Folch EN/STI - BID Workpackage Review - March 2012

  2. VI. Controls for the movable BIDs • Devices concerned • Scrapers (beam shaping and diagnostic) • MEBT dump and Beam stoppers (safety relevant) • Work status • Define the limit of scope of the workpackage • Define the actuating systems and FE electronics • Create the Xml files for BIS controls • Define the controls and cabling schemes • Define the size and location of the patch panels R. Folch EN/STI - BID Workpackage Review - March 2012

  3. Scraper horizontal Master LayoutMA-00492-a-THA-V1.1 Scraper vertical Beam Stopper (4x) MEBT Dump

  4. Control scheme for the scrapers 2 x Scraper Vertical (MR-0011-SCV-A) 2 x Scraper Horizontal (MR-008-SCH-A) BD? Intermediate control rack Main control rack WP limit BID BD Conection box Electrical actuator (Brushless motor) DC supply & Encoder < 10 m 10-30 m R. Folch EN/STI - BID Workpackage Review - March 2012

  5. Risk of radiation on scrapers drivers? • CERN uses stepping motors with radiation hard resolvers, and has no data on the radiation sensitivity of the opto-encoders of the brushless motors • CNAO uses brushless motors and does not consider radiation effects as a critical issue (no failure expected < 10Gy) • MedAustron simulations for the ionizing dose rate < 0.1 Gy/y (scrapers losses not considered) • MedAustron decision: • OK for brushless motors for scrapers • Design for easy replacing of the driving in case of failure R. Folch EN/STI - BID Workpackage Review - March 2012

  6. Beam interlock interface design • Applicable to safety related devices • Beam stoppers (BST) • MEBT dump (BDM) • Reference document R. Folch EN/STI - BID Workpackage Review - March 2012

  7. Definitions, channels, specifications ES-100107-a-MMA v.1.3 R. Folch EN/STI - BID Workpackage Review - March 2012

  8. Beam Interlock System signals for the beam stoppers and the MEBT dump BST BDM R. Folch EN/STI - MACS Week - October 201108.2011

  9. XML files for the Interlock Control The XML files for the 4 beam stoppers and the MEBT dump are completed and uploaded on SVN according to WP CO procedure

  10. Control scheme for the BST and the BDM 1 x MEBT Dump (ME-00-000-BDM-A) 4 x Beam Stoppers (Tn-00-000-BST-A)n = 1, 2, 3, 4 WP limit BID CO Beam Interlock System rack Beam Intercepting Device BID patch panel v K (free) (free) - OUTR (wired to CR for redundancy) OUTR (wired to CR for redundancy) - OUT(BID is out of beam) OUT (BID is in the beam) - IN (out of beam) PLC - Veto (in beam, ignore -IN) Pressure sensor (to CR?) Cable NEA 18 Pressure regulator Pneumatic cylinder Compressed air supply Pressure sensor Electro-valve 1-3 m 10-30 m R. Folch E/STI - BID Workpackage Review - March 2012

  11. Cables routing and patch panel Proposal from D. Grenier based on Linac 4 design R. Folch EN/STI - BID Workpackage Review - March 2012

  12. Agenda https://indico.cern.ch/conferenceDisplay.py?confId=181008 End 12:00 Workpackage overview – R. Folch (25’ + 5’) Functional requirements of the BIDs – R. Folch (5’ + 5’) FLUKA simulations - A. Christov (15’ + 5’) Thermo-mechanical analysis – M. Delonca (25’ + 5’) BREAK (15’) Conceptual and detailed design – M. Fürtinger (25’ + 5’) Controls for movable BIDs – R. Folch (10’ + 5’) Manufacturing strategy – R. Folch (15’) Discussion – All (15’) R. Folch EN/STI - BID Workpackage Review - March 2012

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