Design of an algorithm for stepper motor control in frequency tuned loop of digital LLRF

ZHANG Rui1; 2 ZHAO Yubin1 FU Zechuan1; 2 LIU Jianfei1 1

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Design of an algorithm for stepper motor control in frequency tuned loop of digital LLRF

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- Design of an algorithm for stepper motor control in frequency tuned loop of digital LLRF
- NUCLEAR TECHNIQUES Vol. 33, Issue 8, (2010)
- 作者机构：
  
  1. 上海市低温超导高频腔技术重点实验室,中国科学院上海应用物理研究所
  2. 中国科学院研究生院
- 作者简介：
- 基金信息：
- DOI：
  CLC： TM383.6
- Published：01 August 2010
- 稿件说明：
移动端阅览
[1]张瑞,赵玉彬,付泽川,刘建飞.数字化LLRF频调环路的步进电机控制算法设计[J].核技术,2010,33(08):571-574.

ZHANG Rui1, 2 ZHAO Yubin1 FU Zechuan1, 2 LIU Jianfei1 1. Design of an algorithm for stepper motor control in frequency tuned loop of digital LLRF[J]. Nuclear techniques, 2010, 33(8): 571-574.
[1]张瑞,赵玉彬,付泽川,刘建飞.数字化LLRF频调环路的步进电机控制算法设计[J].核技术,2010,33(08):571-574. DOI：

ZHANG Rui1, 2 ZHAO Yubin1 FU Zechuan1, 2 LIU Jianfei1 1. Design of an algorithm for stepper motor control in frequency tuned loop of digital LLRF[J]. Nuclear techniques, 2010, 33(8): 571-574. DOI：

摘要

本文介绍用于超导高频腔频率调谐环路控制中具有自动联锁保护功能的二相步进电机的控制算法。设计以可编程门阵列（FPGA）为核心部件

采用低频启动

逐步升频过渡到稳定工作状态

实现步进电机的平稳运行;通过设置联锁控制信号回路

实现步进电机在运动过程中的超限自动联锁保护功能。测试结果显示

通过优化设置不同的启动频率

不同的升频速度

实现了步进电机在上海光源超导高频腔上的稳定运行。

Abstract

In this paper

an algorithm with the function of automatic interlock and protection for 2-phase stepper motor control is described.The algorithm is used in the frequency tuning loop of superconductivity RF cavity.The design mainly uses FPGA to constitute the pulse distributor and ascends frequency step by step to make the stepper motor have a smooth transition from low frequency startup station to the stable working state.Also

it has the function of automatic interlocking and protection to prevent the stepper motor from going beyond the limit

by setting additive interlocking signals.Test results show that by optimizing and setting different startup frequency and different ascending frequency speed

the stepper motor works stably in the superconductivity RF cavity of SSRF.

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Related Institution

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