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pro vyhledávání: '"Kwon, Sungil"'
Autor:
Kwon, Sungil, Barrueta, M. S., Castellano, L., Lyles, J. M., Prokop, M., Van Rooy, P., Torrez, P.
The front end of Los Alamos Neutron Science Center (LANSCE) linear accelerator uses four 201.25-MHz Drift-Tube Linacs (DTLs) to accelerate the H+ and H- beams to 100 MeV. Three of the 201.25-MHz DTLs are powered by diacrodes and the first DTL is powe
Externí odkaz:
http://arxiv.org/abs/2210.05803
Autor:
Kwon, Sungil, Archuleta, A., Castellano, L., Marchwinski, C., Prokop, M., Van Rooy, P., Torrez, P.
The linear accelerator (LINAC) at the Los Alamos Neu-tron Science Center (LANSCE) consists of Pre-buncher, Main-Buncher, low-energy beam transport (LEBT), four 201.25-MHz Drift Tube Linacs (DTLs) and forty-four 805-MHz Coupled Cavity Linacs (CCLs). A
Externí odkaz:
http://arxiv.org/abs/2210.05798
Autor:
Kwon, Sungil, Archuleta, Aaron, Castellano, Lawrence, Prokop, Mark, Rose, Chris, Torrez, Phillip, Van Rooy, Paula
This paper addresses an iterative particle beam phase and amplitude feedforward controller tuning method based on the gradient search approach. The method does not need an a priori plant model as it only needs data collected in previous experimental
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0942db4f98bcc7ab295eae5a6d83e64e
Autor:
Van Rooy, Paula, Archuleta, Aaron, Castellano, Lawrence, Kwon, Sungil, Prokop, Mark, Torrez, Phillip
Control stability of the phase and amplitude in the cavity is a significant contributor to beam performance. The ability to measure phase and amplitude of pulsed RF systems at accuracies of ± 0.1 degrees and ± 0.1 percent required for our systems i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a30608fc3caeac4e67d3554f1c8d346f
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A New Digital Feedback and Feedforward Controller for Cavity Field Control of the LANSCE Accelerator
Autor:
Kwon, Sungil, Castellano, Lawrence, Knapp, David, Lyles, John, Prokop, Mark, Scheinker, Alexander, Torrez, Phillip
A new digital low-level RF system was designed and has been deployed on the drift-tube-linac section of the Los Alamos Neutron Science Center(LANSCE) proton accelerator. This new system is part of a modernization of the existing analog cavity-field c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7d453bbb7c1b5b651633775462f4cdfe
Autor:
Scheinker, Alexander, Baily, Scott, Bradley III, Joseph, Castellano, Lawrence, Hill, Jeffrey, Knapp, David, Kwon, Sungil, Lyles, John, Prokop, Mark, Rees, Daniel, Torrez, Phillip
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 DLLR
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::63c7ce82bb7282934adce9209ab3754f
Autor:
Kwon, Sungil, Castellano, Lawrence, Knapp, David, Lyles, John, Prokop, Mark, Rees, Daniel, Scheinker, Alexander, Torrez, Phillip
As part of the modernization of the Los Alamos Neutron Science Center (LANSCE), a digital low level RF (LLRF) system was designed. The LLRF control system was implemented in a Field Programmable Gate Array (FPGA) using embedded Experimental Physics a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::128344deddadb4e1d6a0e21c675b2d25