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TY - CONF AU - Scheinker, A. AU - Baily, S.A. AU - Bradley III, J.T. AU - Castellano, L.J. AU - Hill, J.O. AU - Knapp, D.J. AU - Kwon, S. AU - Lyles, J.T.M. AU - Prokop, M.S. AU - Rees, D. AU - Torrez, P.A. ED - Schaa, Volker RW ED - Power, Maria ED - Shiltsev, Vladimir ED - White, Marion TI - Preliminary Study of Advanced LLRF Controls at LANSCE for Beam Loading Compensation in the MaRIE X-FEL J2 - Proc. of NAPAC2016, Chicago, IL, USA, October 9-14, 2016 C1 - Chicago, IL, USA T2 - North American Particle Accelerator Conference T3 - 3 LA - english AB - The analog low level RF (LLRF) control system of the Los Alamos Neutron Science Center is being upgraded to a Field Programmable Gate Array (FPGA)-based digital system (DLLRF). In this paper we give an overview of the FPGA design and the overall DLLRF system. We also present preliminary performance measurements including results utilizing model-independent iterative feedforward for beam-loading transient minimization, which is being studied for utilization in the future MaRIE X-FEL, which will face difficult beam loading conditions. PB - JACoW CP - Geneva, Switzerland SP - 411 EP - 413 KW - ion KW - controls KW - beam-loading KW - LLRF KW - FPGA DA - 2017/01 PY - 2017 SN - 978-3-95450-180-9 DO - 10.18429/JACoW-NAPAC2016-TUPOA63 UR - https://jacow.org/napac2016/papers/tupoa63.pdf ER -