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000292496 020__ $$a978-3-95450-148-9
000292496 037__ $$aPUBDB-2015-06146
000292496 1001_ $$0P:(DE-HGF)0$$aNapieralski, A.$$b0
000292496 1112_ $$a15th International Conference on Accelerator and Large Experimental Physics Control Systems$$cMelbourne$$d2015-10-17 - 2015-10-23$$gICALEPCS 2015$$wAustralia
000292496 245__ $$aEuropean XFEL Cavities Piezoelectric Tuners Control Range Optimization
000292496 260__ $$c2015
000292496 300__ $$a1-4
000292496 3367_ $$033$$2EndNote$$aConference Paper
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000292496 3367_ $$0PUB:(DE-HGF)8$$2PUB:(DE-HGF)$$aContribution to a conference proceedings$$bcontrib$$mcontrib$$s1453274323_31935
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000292496 500__ $$aARD Subtopic (RF Acc. Technology) ergänzen.Pre-Press Release
000292496 520__ $$aThe piezo based control of the superconducting cavity tuning has been under the development over last years. Automated compensation of Lorentz force detuning of FLASH and European X-FEL resonators allowed to maintain cavities in resonance operation even for high acceleration gradients (in range of 30 MV/m). It should be emphasized that cavity resonance control consists of two independent subsystems. First of all the slow motor tuner based system can be used for slow, wide range mechanical tuning (range of hundreds of kHz). Additionally the piezo tuning system allows for fine, dynamic compensation in a range of ~1 kHz. In mentioned pulse mode experiments (like FLASH), the piezo regulation budget should be preserved for in-pulse detuning control. In order to maintain optimal cavity frequency adjustment capabilities slow motor tuners should automatically act on the static detuning component at the same time. This paper presents work concerning development, implementation and evaluation of automatic superconducting cavity frequency control towards piezo range optimization. FLASH and X-FEL dedicated cavities tuning control experiences are also summarized.
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000292496 693__ $$0EXP:(DE-H253)FLASH(machine)-20150101$$1EXP:(DE-H253)FLASH-20150101$$5EXP:(DE-H253)FLASH(machine)-20150101$$aFLASH$$eFacility (machine) FLASH$$x1
000292496 7001_ $$0P:(DE-H253)PIP1014945$$aBranlard, J.$$b1$$udesy
000292496 7001_ $$0P:(DE-H253)PIP1005968$$aSchmidt, Ch.$$b2$$udesy
000292496 7001_ $$0P:(DE-HGF)0$$aCichalewskki, W.$$b3
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