Digital filter algorithm study and simulation of SSRF feedback system

HAN Lifeng YUAN Renxian YE Kairong

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Digital filter algorithm study and simulation of SSRF feedback system

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- Digital filter algorithm study and simulation of SSRF feedback system
- NUCLEAR TECHNIQUES Issue 7, (2008)
- 作者机构：
  
  中国科学院上海应用物理研究所
- 作者简介：
- 基金信息：
- DOI：
  CLC： TL506
- Published：01 July 2008
- 稿件说明：
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[1]韩利峰,袁任贤,叶恺容.横向反馈系统数字滤波算法及系统仿真[J].核技术,2008(07):489-492.

HAN Lifeng YUAN Renxian YE Kairong. Digital filter algorithm study and simulation of SSRF feedback system[J]. Nuclear techniques, 2008, (7): 489-492.
[1]韩利峰,袁任贤,叶恺容.横向反馈系统数字滤波算法及系统仿真[J].核技术,2008(07):489-492. DOI：

HAN Lifeng YUAN Renxian YE Kairong. Digital filter algorithm study and simulation of SSRF feedback system[J]. Nuclear techniques, 2008, (7): 489-492. DOI：

摘要

上海同步辐射装置SSRF（Shanghai Synchrotron Radiation Facility）拟构建现场可编程门阵列（FPGA

Field Programmable Gate Array）数字信号处理模块为基础的横向反馈系统。基于最小二乘法的滤波器设计

能满足横向反馈对增益和相位的特殊要求

优化设计可节省3倍横向反馈功率。本文通过AT（Accelerator Tool）程序仿真

验证滤波器相位偏移特性

及反馈系统增益与横向反馈衰减时间指标之间的计算关系。并进一步研究衰减时间与横向反馈Kicker功率之间的关系。

Abstract

Least Square Fitting was used to design a FIR filter of the transverse feedback system for the Shanghai Synchrotron Radiation Facility (SSRF). The algorithm helped us to set appropriate gain and phase at special frequency points. This reduced the power needed for damping the beam oscillations

which was proved by System View signal simulation. And with AT (Accelerator Tool) simulation

the Gain calculation and settings to the output signals from the FIR filter were deduced. The relationship between the Kicker power and the system damping time was also given.

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Analysis of transverse feedback effect on beam using bunch-by-bunch position data

The application of FPGA-based DSP module in SSRF storage ring

Related Author

Ning ZHANG

Longwei LAI

Liwu DUAN

Yongbin LENG

HAN Lifeng YUAN Renxian YU Luyang YE Kairong

俞路阳

Related Institution

Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Jiading Campus

University of Chinese Academy of Sciences

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