基于EtherCAT工业以太网的现场控制系统主站设计与应用研究
发布时间：2019-01-10 11:00
【摘要】：随着网络技术的飞速发展和以工业以太网为典型的新型现场总线技术的迅速蔓延为生产自动控制网络化奠定了基础。其中基于EtherCAT的工业以太网总线以其网络拓扑结构灵活、系统配置简单、数据传输高速高效,以及实现成本低廉等特点成为当今和未来工业以太网技术发展的方向。开展基于EtherCAT,总线相关接口技术的研究开发,对于提升我国工业自动化水平具有重要的现实意义。 本论文以基于EtherCAT工业以太网现场控制系统为研究背景,重点研究EtherCAT总线协议,主站控制系统架构,软硬件设计和系统测试方法等几个方面。 本文首先对工业以太网的研究现状和发展情况进行介绍,阐述了工业以太网和EtherCAT,总线的工作原理,并深入分析了EtherCAT,总线协议。 接着,详细分析系统的总体结构,将EtherCAT工业以太网与ARM嵌入式技术相结合,提出了基于EtherCAT主站系统的硬件设计方案,对主站电路原理图的各个功能单元关键技术和设计进行详细的论述,并最终完成了主站系统的PCB局布线设计。在硬件设计过程中增加了EMC方面的设计,提高了系统性能的稳定性。 然后,提出了基于Linux操作系统的实时控制系统的架构,详细阐述EtherCAT主站系统软件方面设计,介绍软件系统的开发平台和系统结构。分析了EtherCAT主站与从站之间通讯的实现机理,通过对应用层模块进行开发,完成系统的软件设计。 最后,在软硬件完成的基础上搭建测试平台,选用BECKHOFF公司所生产的EtherCAT,总线耦合器BK1120和I/O模块(KL2809、KL1809)组成从站系统,与本课题所设计的EtherCAT的主站模块组成整套系统,并进行测试和结果分析。最终实验结果表明：EtherCAT主站软硬件设计符合设计要求。
[Abstract]:With the rapid development of network technology and the rapid spread of new fieldbus technology, which is typical of industrial Ethernet, it has laid a foundation for the production of automatic control network. Industrial Ethernet bus based on EtherCAT has become the trend of industrial Ethernet technology development nowadays and in the future because of its flexible network topology, simple system configuration, high speed and high efficiency of data transmission and low cost. The research and development of the interface technology based on EtherCAT, bus is of great practical significance to improve the level of industrial automation in China. In this paper, based on EtherCAT industrial Ethernet field control system as the research background, focusing on the EtherCAT bus protocol, master station control system architecture, hardware and software design and system testing methods and other aspects. In this paper, the research status and development of industrial Ethernet are introduced, the working principle of industrial Ethernet and EtherCAT, bus is expounded, and the protocol of EtherCAT, bus is deeply analyzed. Then, the overall structure of the system is analyzed in detail, and the hardware design scheme based on EtherCAT master station system is put forward by combining EtherCAT industrial Ethernet with ARM embedded technology. The key technology and design of each function unit of the master station circuit schematic diagram are discussed in detail, and the PCB routing design of the master station system is finally completed. In the process of hardware design, the design of EMC is added, and the stability of system performance is improved. Then, the architecture of real-time control system based on Linux operating system is proposed, and the software design of EtherCAT master station system is described in detail. The development platform and system structure of the software system are introduced. The realization mechanism of communication between EtherCAT master station and slave station is analyzed. The software design of the system is completed by developing the application layer module. Finally, the test platform is built based on the completion of hardware and software. The slave station system is composed of the EtherCAT, bus coupler BK1120 and I / O module (KL2809,KL1809) produced by BECKHOFF, and the main station module of EtherCAT designed in this paper. And test and result analysis. The final experimental results show that the EtherCAT master station hardware and software design meets the design requirements.
【学位授予单位】：南京理工大学
【学位级别】：硕士
【学位授予年份】：2014
【分类号】：TP393.11;TP273
本文编号：2406228
[Abstract]:With the rapid development of network technology and the rapid spread of new fieldbus technology, which is typical of industrial Ethernet, it has laid a foundation for the production of automatic control network. Industrial Ethernet bus based on EtherCAT has become the trend of industrial Ethernet technology development nowadays and in the future because of its flexible network topology, simple system configuration, high speed and high efficiency of data transmission and low cost. The research and development of the interface technology based on EtherCAT, bus is of great practical significance to improve the level of industrial automation in China. In this paper, based on EtherCAT industrial Ethernet field control system as the research background, focusing on the EtherCAT bus protocol, master station control system architecture, hardware and software design and system testing methods and other aspects. In this paper, the research status and development of industrial Ethernet are introduced, the working principle of industrial Ethernet and EtherCAT, bus is expounded, and the protocol of EtherCAT, bus is deeply analyzed. Then, the overall structure of the system is analyzed in detail, and the hardware design scheme based on EtherCAT master station system is put forward by combining EtherCAT industrial Ethernet with ARM embedded technology. The key technology and design of each function unit of the master station circuit schematic diagram are discussed in detail, and the PCB routing design of the master station system is finally completed. In the process of hardware design, the design of EMC is added, and the stability of system performance is improved. Then, the architecture of real-time control system based on Linux operating system is proposed, and the software design of EtherCAT master station system is described in detail. The development platform and system structure of the software system are introduced. The realization mechanism of communication between EtherCAT master station and slave station is analyzed. The software design of the system is completed by developing the application layer module. Finally, the test platform is built based on the completion of hardware and software. The slave station system is composed of the EtherCAT, bus coupler BK1120 and I / O module (KL2809,KL1809) produced by BECKHOFF, and the main station module of EtherCAT designed in this paper. And test and result analysis. The final experimental results show that the EtherCAT master station hardware and software design meets the design requirements.
【学位授予单位】：南京理工大学
【学位级别】：硕士
【学位授予年份】：2014
【分类号】：TP393.11;TP273
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