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浙江大学学报(工学版)
J4  2010, Vol. 44 Issue (4): 659-664    DOI: 10.3785/j.issn.1008-973X.2010.04.006
    
Design and implementation of FPGA based communication
architecture for control system
ZHANG Ankun, WANG Weimin, HU Xiehe, HUANG Wenjun
National Laboratory of Industrial Control Technology, Institute of CyberSystem and Control,
Zhejiang University, Hangzhou 310027, China
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Abstract  

A high efficiency communication architecture applied in distributed control system (control system inner extending bus) was proposed to realize highlyefficient transmission and realtime control, and the design of its bus interface and bus protocol was detailed. The communication architecture, which is mainly consisted of fieldprogrammable gate array (FPGA), complex programmable logic device (CPLD) and ARM7 CPU, implements hot swap on the target with highspeed transmission characteristics. As to the bus interfaces, the dualchannel and parallel communication method increase the systems transmission efficiency, and the redundancy between the two channels helps enhance the reliability of the communication. As to the bus structure, the highlyefficient secondary buffer and electrical expansion make the system very flexible. This communication architecture was put into effect on a system prototype, and the results show that it has high realtime performance and highreliability.

Published: 14 May 2010
CLC:  TP212.1  
  TP271.5  
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Cite this article:

ZHANG An-Kun, WANG Wei-Min, HU Xie-He. Design and implementation of FPGA based communication
architecture for control system. J4, 2010, 44(4): 659-664.

URL:

http://www.zjujournals.com/eng/10.3785/j.issn.1008-973X.2010.04.006     OR     http://www.zjujournals.com/eng/Y2010/V44/I4/659


基于FPGA的控制系统高效通信架构的设计与实现

为实现分布式系统高效数据传输和控制实时性要求,提出一种应用于集散控制系统的实时、高效通信架构（控制系统内部扩展总线）,并且具体地给出总线接口的软硬件设计方法及总线协议的设计方法.通信架构主要由可编程逻辑阵列（FPGA）、复杂可编程逻辑器件（CPLD）及ARM7嵌入式微处理器构成,在保证总线高速传输特性的基础上,实现了目标模块无冲击热插拔.在总线接口上,采用双通道和并行通信设计以提高系统的传输效率,采用通道间热冗余设计以提高总线传输的可靠性；在总线结构上,采用高效的二级缓冲和电气扩展以提高系统的可扩展性和柔性.该架构方案在控制系统原理样机上得到应用验证,结果表明具有良好的实时性和可靠性.

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