基于EPICS&ARM的分布式测控系统设计
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摘要
设计了一种分布式测控系统,阐述了系统总体构架,重点介绍通用测控终端的设计方案。分析了多个模块设计的关键技术环节。该系统基于FPGA和ARM双核控制,设计了模拟量输入输出、调理电路、开关量输入输出电路、脉冲量输入输出、CAN通信接口、flash读写等模块。实验结果表明:该系统具有开放性、微型化、网络互联、友好人机界面,可靠性高、性价比高的特点。
A sort of design technique of distributed measurement and control system is given. The overall framework of system was expounded. Design scheme of universal measurement and control terminal was introduced mainly. Key techniques were analyzed in many modules design. This system was based on Field-Programmable Gate Array( FPGA) and ARM dual-core control. Analog input and output,conditioning circuit,switch input and output circuit,pulse input and output,Controller Area Network( CAN) communication interface,FLASH read and write modules were devised. Experiments show that this system has advantages of openness,miniaturization,network interconnection,friendly man-machine interface,high reliability,and high cost performance characteristics.
A sort of design technique of distributed measurement and control system is given. The overall framework of system was expounded. Design scheme of universal measurement and control terminal was introduced mainly. Key techniques were analyzed in many modules design. This system was based on Field-Programmable Gate Array( FPGA) and ARM dual-core control. Analog input and output,conditioning circuit,switch input and output circuit,pulse input and output,Controller Area Network( CAN) communication interface,FLASH read and write modules were devised. Experiments show that this system has advantages of openness,miniaturization,network interconnection,friendly man-machine interface,high reliability,and high cost performance characteristics.
引文
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[3]郭文娇,任春光,王磊.电压不平衡时交直流双向功率变换器的控制策略[J].电网技术,2016,40(3):925-930.GUO W J,REN C G,WANG L.Control Method of Bidirectional AC/DC Converter with Unbalanced Voltage in Hybrid Micro-Grid[J].Power System Technology,2016,40(3):925-930.
[4]李勋,刘文怡.基于FPGA的以太网接口设计与实现[J].自动化与仪表,2014(5):57-60.LI X,LIU W Y.Design and Implementation of Ethernet Interface Based on FPGA[J].Automation&Instrumentation,2014(5):57-60.
[5]崔巍,吴爱国.基于FPGA的超高速工业控制器设计[J].仪表技术与传感器,2014(11):40-43.CUI W,WU A G.Design of Ultra High Speed Industrial Controller Based on FPGA[J].Instrument Technique and Sensor,2014(11):40-43.
[6]李建民,王高.基于多光谱辐射特性的高速目标识别定位系统[J].光谱学与光谱分析,2014(11):3147-3151.LI J M,WANG G.High-speed Target Recognition Positioning System Based on Multi-Spectral Radiation Characteristics[J].Spectroscopy and Spectral Analysis,2014(11):3147-3151.
[7]刘静,姜恒,石晓原.基于CPLD和AD7865的多通道数据采集系统的设计与实现[J].科学技术与工程,2012(31):8414-8418.LIU J,JIANG H,SHI X Y.Design and Implementation of Multi-channel Data Acquisition System Based on CPLD and AD7865[J].Science Technology and Engineering,2012(31):8414-8418.