TTF / VUV-FEL. Schedule 2005 and Project Management Issues. Schedule 2005 Project Organisation Budget & Controlling
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1 TTF / VUV-FEL Schedule 200 and Project Management Issues Schedule 200 Project Organisation Budget & Controlling Hans Weise / DESY DESY MAC Meeting November 9th, 2004
2 TTF Linac Start-up After Final Installation Period ACC ACC2,3 ACC4, high power processing meas. dark current from module gun BC2 BC3 bypass Aug. 30 tunnel closed Oct. 3 beam transport to beam dump
3 Beam Commissioning 3 weeks st beam (bypass) re-commissioning of gun + injector setup cavity phases ACC2- beam energy setup bunch compression setup beam linear optics, optimize orbit commissioning of diagnostics 0 weeks FEL 30 nm bunch setup collimation emittance measurements and optics matching beam-based alignment in undulator section commiss. of photon diag. with spon. emission 8 weeks Saturation & 6-00 nm commissioning of FEL diagnostics study of FEL beam, compression schemes, etc. establish reproducible settings, etc.
4 Beam Commissioning 3 weeks st beam (bypass) re-commissioning of gun + injector setup cavity phases ACC2- beam energy setup bunch compression setup beam linear optics, optimize orbit commissioning of diagnostics First measurement before adjustment after adjustment re-commissioning of gun + injector setup cavity phases ACC2- beam energy setup bunch compression setup beam linear optics, optimize orbit commissioning of diagnostics done done on-going started partly done, on-going
5 Beam Commissioning 0 weeks FEL 30 nm bunch setup collimation emittance measurements and optics matching beam-based alignment in undulator section commiss. of photon diag. with spon. emission Beam Ion pump wirescanner quadrupole beam stretched wire position control system granite baseplate MCP Diagn. A. Fateev et al., Dubna
6 Beam Commissioning 8 weeks Saturation & 6-00 nm commissioning of FEL diagnostics study of FEL beam, compression schemes, etc. establish reproducible settings, etc. photon diagnostics gas absorber photon diagnostics beam dump FEL hall PETRA tunnel LINAC tunnel
7 Beam Commissioning Schedule For 200 we assume 9 weeks of FEL user operation 2 months FEL studies 2 months accelerator studies (diagn. etc.) includes photon diagnostics 2 months of dedicated acc.module tests 4 months (reserve and/or additional exp.) Sep 2004 Nov 2004 Jan weeks 0 weeks st beam (bypass) FEL 30 nm bunch re-commissioning of gun + injector setup cavity phases ACC2- beam energy setup bunch compression setup beam linear optics, optimize orbit commissioning of diagnostics setup collimation emittance measurements and optics matching beam-based alignment in undulator section commiss. of photon diag. / spon. emission soon to be discussed in detail July 200 Dec weeks 8 weeks Saturation & 6-00 nm Saturation & 6-00 nm commissioning of FEL diagnostics study of FEL beam, compression schemes, etc. establish reproducible settings, etc. commissioning of FEL diagnostics study of FEL beam, compression schemes, etc. establish reproducible settings, etc.
8 Schedule until 2007 Saturation in wavelength range nm July 200 User operation (extended period) Operation with long bunch train Dec. 200 User operation (extended period) 3rd Harmonic RF system and ACC6 installed spring 2006 GeV beam energy Saturation 6 nm User operation (extended period) Seeding Option installed Seeding demonstration spring 2007
9 Schedule With Respect to ILC R&D At first glance schedule looks like being FEL dominated. Is this true? Is there room for LC R&D? reserve FEL user operation FEL studies accel. studies accel. module tests reserve Do we have to re-consider the amount of beam time for ILC related issues? The ITRP decision was cold! One might say: But the question really is: ADC ADC yes, we now have to... what exactly is it, we have or want to add? The TTF Linac uses 40 accelerating cavities with its auxiliaries 7 days / week and 24 hours / day. ILC R&D strongly benefits from this! Collection of ideas / wish-list from DESY experts on cavities / module operation / llrf / cryogenics can be used to establish a detailed programme.
10 a must: ILC R&D - But also XFEL important: -HPP of cavities to cure field emission - long term operation of M at high gradients in steps from 20 MV/m to 2+MV/m: - what are the typical problems? - any change in dark current? - repeat test of all cavities detuning of individual cavities compare rf calibration with beam - cryo losses vs. operation time -check cavity alignment with beam - how close can we go to the gradient limit? - processing behaviour after shut down nice to have: - Lorentz-force detuning of individual cavities at high gradient - long beam pulse in ACC/C at 3 MV/m - optimized piezo compensation ACC/C - RF-distribution optimized with respect to maximum gradient in general - many LLRF operational aspects as well as feedback issues
11 in general ILC R&D - But also XFEL - develop robust algorithm for Lorentz force compensation / piezo tuners at M6 and M/C. - failure recogination and exception handling, esp.close to performance limit - measurement and optimization of amplitude and phase stability (within bunch train, from train to train, long time) - automated operation (FSM) of LLRF -test next generation of LLRF (developed for XFEL: increased ampl. and phase stability) - beam based feedback algorithms (energy, phase, bunch length) More specific... (with beam) o measure field stability with beam o adaptive feedforward (RF only and for beam energy) o exception handling (quench, operation close to the limit) o calibration of gradien and phase o single bunch transient detection o phase drift betwenn RF and beam o beam phase with respect to RF phases o study EMI/EMC (down converter) / reduce noise o crosstalk between RF systems o test new FPGA based feedback at the RF Gun. o test new FPGA based Feedback at ACC o develop new control algorithms o test LLRF FSM with beam More specific... (without beam) o LO optimization for downconverter o check M.O. level and frequency distribution o measure phase stability of frequency distribution system o upgrade of downconverter o remote control of attenuators (probe, forward / reflected power cables)
12 The TTF / VUV-FEL with its actual commissioning plans is of great value for the ILC and XFEL program. A detailed schedule for the next 2 months (year 200) is under discussion and will be available in 2/2004. New ideas need new discussions about resources. Interesting: Summary Schedule Issues Almost all above listed points are of equal importance for the three projects VUV-FEL, XFEL, and ILC. Just very few points are ILC specific. We are expecting many months of operation as a test for the long term behaviour of our systems.
13 Run Coordinators: The Actual Operations Concept Castro, Faatz, Honkavaara, Körfer, Nölle, Schlarb, Schreiber, Minty 2 Run Coordinator Meetings per week supported by TTF steering group Techn. Run Coord.: Klose, Görler (one expert from each techn. field) 8 run coordinators with experience from TTF 4 experienced TTF operators 48 Operators 26 new operators 4 physicists 2 techn. or engineers (members of the BKR shift crew)
14 The Future Operations Concept Run Coordinators: 2 3 scientists most likely out of the actual RC group Techn. Run Coord.: 2 engineers keep the actual ones, if possible (rf, laser, or physics) 2 3 scientists Techn. Run Coordinators with eng. / techn. support from different M-groups VUV-FEL Operation (2007?) BKR Shift crew
15 Manpower at TTF DESY Group D3 MDI MEA MHFe MHFsl MHFp MIN MKK MKS radiation protection diagnostics installations RF waveguides supercond. RF klystrons / modulators / LLRF gun / laser / LOLA electricity / water cryogenics needs regular check to be compensated with external FTEs LLRF Warsaw Univ. A first FEL user 30 nm single bunch B full beam current C 6 nm FEL operation for users;acc6 and 3rd harm. D seeding E routine operation MSK feedback etc MST MVA MVP MPL MPY sum ctrls vacuum vacumm / TTF ctrls supports physics resource planning M groups actual personnel M groups incl. time limited contracts visitors radiation protection diagnostics installations RF waveguides supercond. Rf klystrons / modulators / LLRF gun / laser / LOLA electricity / water cryogenics feedback etc. ctrls. vacuum vacuum / TTF ctrls. supports physics inj. R&D
16 Installation TTF External Contributions to Installation and Operation Operation DESY Coord. Cathodes Accel.Modules INFN Milano Cathodes INFN Milano Schreiber RF Gun / Cryogenics RF Modulators FNAL Freq.Tuner BPMs / HOM Studies CE Saclay Lange Nölle / Baboi Freq.Tuner BPMs CE Saclay Transverse deflecting cavity LOLA SLAC Schlarb Klose Transverse deflecting cavity LOLA SLAC OTR Diagnostics INFN Frascati Honkavaara OTR Diagnostics INFN Frascati Gun Laser MBI Schreiber Gun Laser MBI LLRF Warsaw Univ. Ayvazyan Simrock Ctrls YerPhi Ayvazyan Rehlich Ctrls ITEP Moscow Univ. Rehlich additional manpower RF Protvino Choroba
17 TTF / VUV-FEL Budget Budget planning done in technical groups with reconciliation by project management Budget for : 2. M per year w/o personel costs additional projects might need new resources Budget Controlling done using internal book keeping plus SAP
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