DDS signal acquisition and PI feedback algorithm design based on FPGA for RF system of the synchrotron for proton therapy

WANG Cunli1; 2 ZHAO Yubin1 ZHANG Wenzhi1 1

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DDS signal acquisition and PI feedback algorithm design based on FPGA for RF system of the synchrotron for proton therapy

更新时间：2021-03-05

- DDS signal acquisition and PI feedback algorithm design based on FPGA for RF system of the synchrotron for proton therapy
- NUCLEAR TECHNIQUES Vol. 35, Issue 3, (2012)
- 作者机构：
  
  1. 中国科学院上海应用物理研究所低温超导高频腔重点实验室
  2. 中国科学院研究生院
- 作者简介：
- 基金信息：
- DOI：
  CLC： TL503.2
- Published：01 March 2012
- 稿件说明：
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[1]王存立,赵玉彬,张文志.基于FPGA的DDS信号获取与PI反馈算法设计[J].核技术,2012,35(03):236-240.

WANG Cunli1, 2 ZHAO Yubin1 ZHANG Wenzhi1 1. DDS signal acquisition and PI feedback algorithm design based on FPGA for RF system of the synchrotron for proton therapy[J]. Nuclear techniques, 2012, 35(3): 236-240.
[1]王存立,赵玉彬,张文志.基于FPGA的DDS信号获取与PI反馈算法设计[J].核技术,2012,35(03):236-240. DOI：

WANG Cunli1, 2 ZHAO Yubin1 ZHANG Wenzhi1 1. DDS signal acquisition and PI feedback algorithm design based on FPGA for RF system of the synchrotron for proton therapy[J]. Nuclear techniques, 2012, 35(3): 236-240. DOI：

摘要

介绍了上海质子治疗装置高频低电平系统中扫频配置和PI反馈控制算法。通过编写Verilog HDL代码对AD9858芯片进行配置

实现了直接数字频率合成和频率扫描的功能

设计了PI算法以保证高频腔腔压幅度和相位的高精度和高稳定性。

Abstract

In this paper

we report the configuration of frequency sweeping mode and PI feedback control in the low-level RF system of the proton synchrotron for proton therapy.Altera Stratix II FPGA and AD9858 are adopted to get the direct digital synthesizer(DDS) signal of frequency sweeping mode by compiling Verilog HDL code.A PI feedback algorithm is designed to control the amplitude and phase of cavity voltage

with high precision and stability.

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Related Author

WANG Zheng

HU Jun

CHEN Zhang

ZHAO Yubin

WANG Xiuku

TANG Bin

LUO Hong

TIAN Xingcheng

Related Institution

University of Chinese Academy of Sciences

State Key Laboratory of Particle Detection and Electronics

Institute of High Energy Physics, Chinese Academy of Sciences

Dongguan Institute of Neutron Science

Key Laboratory of Optoelectronic Technology and Systems, Ministry of Education, Chongqing University

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