Simulation of a Transverse Feedback System for the SSRF Storage Ring

  • Resistive wall instability is a serious problem in many light sources. An active transverse feedback system (TFS) is required to operate the machine in a good condition when beam current is high. In order to investigate beam dynamics with TFS turned on, we developed a TFS simulation program. The feedback effectiveness for the Shanghai Synchrotron Radiation Facility (SSRF) storage ring is simulated under various conditions such as closed orbit distortion included, beam position monitor reading errors added, and finite-duration impulse-response filter strategy changed.
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  • [1] . Sacherer F. Transverse Bunched Beam Instabilities-Theory.Proc. 9th Int. Conf. on High Energy Accelerators. Stanford,1974, 3472. Tanaka H et al. J. Synchrotron Rad., 2006, 13: 3783. JIANG Bo-Cheng et al. HEP NP, 2006, 30(7): 693(inChinese)(姜伯承等.高能物理与核物理,2006, 30(7): 693)4. Fox J D. Feedback Control of Coupled-Bunch Instabilities.Proceedings of PAC93. Washington D.C., 1993, 20765. Barry W, Byrd J M et al. Design of the ALS Transverse Coupled-Bunch Feedback System. Proceedings of PAC93.Washington D.C., 1993, 21096. Barry W, Byrd J M et al. Design of the PEP-II TransverseCoupled-Bunch Feedback System. Proceedings of PAC95.Dallas, 1995, 26817. Khan S, Knuth T et al. Longitudinal and Transverse Feed-back Kicker for the BESSY II Storage Ring. Proceedingsof PAC99. New York, 1999, 11478. Fox J D et al. Multi-Bunch Instability Diagnostics via Digital Feedback System at PEP-II, DA#934;NE, ALS and SPEAR.Proceedings of PAC99. New York, 1999, 6369. Byrd J M. Simulation of the PEP-II Transverse Coupled-Bunch Feedback System. Proceedings of PAC1995. Dallas,1995, 268410. Bressanutti R, Bulfone D et al. Design Considerations forthe ELETTRA Transverse Multi-Bunch Feedback. Pro-ceedings of PAC99. New York, 1999, 112011. Wolski A, Byrd J, Bates D. Simulations of Resistive-WallInstability in the ILC Damping Rings. Proceedings ofPAC2005. Knoxville, 2005, 324112. Terebilo A. SLAC-PUB-8732, May 200113. Alexander Wu Chao. Physics of Collective Beam Instabilities in High Energy Accelerators. John WileySons, 199314. Nakamura T et al. Single-loop Two-Dimensional Transverse Feedback for Photon Factory. Proceedings of EPAC2006.Edinburgh, 2006, 300615. LIU Gui-Min et al. HEP NP, 2006, 30(Supp.I): 144(inChinese)(刘桂民等.高能物理与核物理,2008,30(增刊I): 144) 16. HOU Jie, LIU Gui-Min. HEP NP, 2006, 30(Supp.I): 37(in Chinese)(后接,刘桂民.高能物理.与核物理,2006, 30(增刊I): 37)17. Nakamura T et al. Transverse Bunch-by-bunch Feedback System for the Spring-8 Storage Ring. Proceedings of EPAC2004. Switzerland, 2004, 2649
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JIANG Bo-Cheng, LIU Gui-Min and ZHAO Zhen-Tang. Simulation of a Transverse Feedback System for the SSRF Storage Ring[J]. Chinese Physics C, 2007, 31(10): 956-961.
JIANG Bo-Cheng, LIU Gui-Min and ZHAO Zhen-Tang. Simulation of a Transverse Feedback System for the SSRF Storage Ring[J]. Chinese Physics C, 2007, 31(10): 956-961. shu
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Received: 2006-11-27
Revised: 2007-01-08
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Simulation of a Transverse Feedback System for the SSRF Storage Ring

    Corresponding author: ZHAO Zhen-Tang,
  • Shanghai Institute of Applied Physics, CAS, Shanghai 201800, China2 Graduate University of Chinese Academy of Sciences, Beijing 100049, China

Abstract: Resistive wall instability is a serious problem in many light sources. An active transverse feedback system (TFS) is required to operate the machine in a good condition when beam current is high. In order to investigate beam dynamics with TFS turned on, we developed a TFS simulation program. The feedback effectiveness for the Shanghai Synchrotron Radiation Facility (SSRF) storage ring is simulated under various conditions such as closed orbit distortion included, beam position monitor reading errors added, and finite-duration impulse-response filter strategy changed.

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