DBPM signal processing with field programmable gate arrays  

作　　者：LAI Longwei LENG Yongbin YI Xing YAN Yingbing ZHANG Ning YANG Guisen WANG Baopeng XIONG Yun 

机构地区：[1]Shanghai Synchrotron Radiation Facility, Shanghai Institute qf Applied Physics Shanghai 201800, China [2]Graduate University of Chinese Academy of Sciences, Beijing 100049, China

出　　处：《Nuclear Science and Techniques》2011年第3期129-133,共5页核技术（英文）

基　　金：Supported by Shanghai Synchrotron Radiation Facility project

摘　　要：DBPM system performance is determined by the design and implementation of beam position signal processing algorithm.In order to develop the system,a beam position signal processing algorithm is implemented on FPGA.The hardware is a PMC board ICS-1554A-002(GE Corp.)with FPGA chip XC5VSX95T.This paper adopts quadrature frequency mixing to down convert high frequency signal to base.Different from conventional method,the mixing is implemented by CORDIC algorithm.The algorithm theory and implementation details are discussed in this paper.As the board contains no front end gain controller,this paper introduces a published patent-pending technique that has been adopted to realize the function in digital logic.The whole design is implemented with VHDL language. An on-line evaluation has been carried on SSRF(Shanghai Synchrotron Radiation Facility)storage ring.Results indicate that the system turn-by-turn data can measure the real beam movement accurately,and system resolution is 1.1μm.DBPM system performance is determined by the design and implementation of beam position signal processing algorithm..,In order to develop the system, a beam position signal processing algorithm is implemented on FPGA. The hardware is a PMC board ICS-1554A-002 （GE Corp.） with FPGA chip XCSVSX95T. This paper adopts quadrature frequency mixing to down convert high frequency signal to base. Different from conventional method, the mixing is implemented by CORD1C algorithm. The algorithm theory and implementation details are discussed in this paper. As the board contains no front end gain controller, this paper introduces a published patent-pending technique that has been adopted to realize the function in digital logic. The whole design is implemented with VHDL language. An on-line evaluation has been carried on SSRF （Shanghai Synchrotron Radiation Facility） storage ring. Results indicate that the system turn-by-turn data can measure the real beam movement accurately, and system resolution is 1.1 ~tm.

关 键 词：信号处理算法 现场可编程门阵列 DBPM 上海同步辐射装置 FPGA芯片 PM系统 通用电气公司 VHDL语言 

分 类 号：TP311.52[自动化与计算机技术—计算机软件与理论] TU998.12[自动化与计算机技术—计算机科学与技术]