Adaptive method for electron bunch profile prediction
Abstract
We report on an experiment performed at the Facility for Advanced Accelerator Experimental Tests (FACET) at SLAC National Accelerator Laboratory, in which a new adaptive control algorithm, one with known, bounded update rates, despite operating on analytically unknown cost functions, was utilized in order to provide quasi-real-time bunch property estimates of the electron beam. Multiple parameters, such as arbitrary rf phase settings and other time-varying accelerator properties, were simultaneously tuned in order to match a simulated bunch energy spectrum with a measured energy spectrum. Thus, the simple adaptive scheme was digitally implemented using matlab and the experimental physics and industrial control system. Finally, the main result is a nonintrusive, nondestructive, real-time diagnostic scheme for prediction of bunch profiles, as well as other beam parameters, the precise control of which are important for the plasma wakefield acceleration experiments being explored at FACET.
- Authors:
- Publication Date:
- Research Org.:
- SLAC National Accelerator Laboratory (SLAC), Menlo Park, CA (United States); Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), High Energy Physics (HEP)
- OSTI Identifier:
- 1223578
- Alternate Identifier(s):
- OSTI ID: 1185171; OSTI ID: 1236010
- Report Number(s):
- SLAC-PUB-16310; LA-UR-15-24596
Journal ID: ISSN 1098-4402; PRABFM; 102801
- Grant/Contract Number:
- AC02-76SF00515; AC52-06NA25396
- Resource Type:
- Published Article
- Journal Name:
- Physical Review Special Topics. Accelerators and Beams
- Additional Journal Information:
- Journal Name: Physical Review Special Topics. Accelerators and Beams Journal Volume: 18 Journal Issue: 10; Journal ID: ISSN 1098-4402
- Publisher:
- American Physical Society
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 43 PARTICLE ACCELERATORS; ACCPHY; bunch profiles; 42 ENGINEERING; 97 MATHEMATICS AND COMPUTING
Citation Formats
Scheinker, Alexander, and Gessner, Spencer. Adaptive method for electron bunch profile prediction. United States: N. p., 2015.
Web. doi:10.1103/PhysRevSTAB.18.102801.
Scheinker, Alexander, & Gessner, Spencer. Adaptive method for electron bunch profile prediction. United States. https://doi.org/10.1103/PhysRevSTAB.18.102801
Scheinker, Alexander, and Gessner, Spencer. Thu .
"Adaptive method for electron bunch profile prediction". United States. https://doi.org/10.1103/PhysRevSTAB.18.102801.
@article{osti_1223578,
title = {Adaptive method for electron bunch profile prediction},
author = {Scheinker, Alexander and Gessner, Spencer},
abstractNote = {We report on an experiment performed at the Facility for Advanced Accelerator Experimental Tests (FACET) at SLAC National Accelerator Laboratory, in which a new adaptive control algorithm, one with known, bounded update rates, despite operating on analytically unknown cost functions, was utilized in order to provide quasi-real-time bunch property estimates of the electron beam. Multiple parameters, such as arbitrary rf phase settings and other time-varying accelerator properties, were simultaneously tuned in order to match a simulated bunch energy spectrum with a measured energy spectrum. Thus, the simple adaptive scheme was digitally implemented using matlab and the experimental physics and industrial control system. Finally, the main result is a nonintrusive, nondestructive, real-time diagnostic scheme for prediction of bunch profiles, as well as other beam parameters, the precise control of which are important for the plasma wakefield acceleration experiments being explored at FACET.},
doi = {10.1103/PhysRevSTAB.18.102801},
journal = {Physical Review Special Topics. Accelerators and Beams},
number = 10,
volume = 18,
place = {United States},
year = {Thu Oct 15 00:00:00 EDT 2015},
month = {Thu Oct 15 00:00:00 EDT 2015}
}
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https://doi.org/10.1103/PhysRevSTAB.18.102801
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Cited by: 26 works
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