agenda
DESCRIPTION
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’) - PowerPoint PPT PresentationTRANSCRIPT
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R. Folch EN/STI - BID Workpackage Review - March 2012 1
AgendaI. Workpackage overview – R. Folch (25’ + 5’)II. Functional requirements of the BIDs – R. Folch (5’ + 5’)III. FLUKA simulations - A. Christov (15’ + 5’)IV. Thermo-mechanical analysis – M. Delonca (25’ + 5’)V. BREAK (15’)V. Conceptual and detailed design – M. Fürtinger (25’ + 5’)VI. Controls for movable BIDs – R. Folch (10’ + 5’)VII. Manufacturing strategy – R. Folch (15’) VIII. Discussion – All (15’)
15.03.12
End 12:00
https://indico.cern.ch/conferenceDisplay.py?confId=181008
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R. Folch EN/STI - BID Workpackage Review - March 2012 2
VI. Controls for the movable BIDs
15.03.12
• Devices concerned– Scrapers (beam shaping and diagnostic)– MEBT dump and Beam stoppers (safety relevant)
• Work statusDefine the limit of scope of the workpackageDefine the actuating systems and FE electronicsCreate the Xml files for BIS controlsDefine the controls and cabling schemes • Define the size and location of the patch panels
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Master LayoutMA-00492-a-THA-V1.1
MEBT Dump
Scraper horizontal
Beam Stopper(4x)
Scraper vertical
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Control scheme for the scrapers
Cone
ction
box
2 x Scraper Vertical (MR-0011-SCV-A)2 x Scraper Horizontal (MR-008-SCH-A)
< 10 m
Elec
tric
al a
ctua
tor
(Bru
shle
ss m
otor
)
DC supply& Encoder
Main control rack
WP limit
BIDBD
Intermediate control rack
10-30 m
BD?
15.03.12 R. Folch EN/STI - BID Workpackage Review - March 2012 4
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5
Risk of radiation on scrapers drivers?
15.03.12 R. Folch EN/STI - BID Workpackage Review - March 2012
• 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
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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
15.03.12
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R. Folch EN/STI - BID Workpackage Review - March 2012 7
Definitions, channels, specifications
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ES-100107-a-MMA v.1.3
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R. Folch EN/STI - MACS Week - October 201108.2011 8
Beam Interlock System signals for the beam stoppers and the MEBT dump
04.10.11
BST BDM
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9
XML files for the Interlock ControlThe XML files for the 4 beam stoppers and the MEBT dump are completed and uploaded on SVN according to WP CO procedure
15.03.12
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Control scheme for the BST and the BDM
Compressed air supply
Pressure regulator
Electro-valve
Pressure sensor
Pneu
mati
c cy
linde
r
v
Beam Interlock System rack
BID patch panelBeam Intercepting Device
1 x MEBT Dump (ME-00-000-BDM-A)4 x Beam Stoppers (Tn-00-000-BST-A) n = 1, 2, 3, 4
1-3 m 10-30 m
WP limitBID CO
Pressure sensor (to CR?)
- IN (out of beam)
- OUT (BID is out of beam)
- OUTR (wired to CR for redundancy)
- Veto (in beam, ignore -IN)
OUT (BID is in the beam)
OUTR (wired to CR for redundancy)
(free)
Cable NEA 18
(free)
K
PLC
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R. Folch EN/STI - BID Workpackage Review - March 2012 11
Cables routing and patch panel
15.03.12
Proposal from D. Grenier based on Linac 4 design
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R. Folch EN/STI - BID Workpackage Review - March 2012 12
AgendaI. Workpackage overview – R. Folch (25’ + 5’)II. Functional requirements of the BIDs – R. Folch (5’ + 5’)III. FLUKA simulations - A. Christov (15’ + 5’)IV. Thermo-mechanical analysis – M. Delonca (25’ + 5’)V. BREAK (15’)V. Conceptual and detailed design – M. Fürtinger (25’ + 5’)VI. Controls for movable BIDs – R. Folch (10’ + 5’)VII. Manufacturing strategy – R. Folch (15’) VIII. Discussion – All (15’)
15.03.12
End 12:00
https://indico.cern.ch/conferenceDisplay.py?confId=181008