EtherCAT工業區域網路伺服器的嵌入式系統設計與實作;Embedded System Design and Realization of EtherCAT Master for Industrial Local Area Networks

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题名:	EtherCAT工業區域網路伺服器的嵌入式系統設計與實作;Embedded System Design and Realization of EtherCAT Master for Industrial Local Area Networks
作者:	張立慶;Chang,Li-Ching
贡献者:	資訊工程學系在職專班
关键词:	工業區域網路;EtherCAT
日期:	2014-07-22
上传时间:	2014-10-15 17:05:19 (UTC+8)
出版者:	國立中央大學
摘要:	自動化控制系統的控制精度與即時性要求日益提高，傳統的匯流排或乙太網路已經無法滿足需求。EtherCAT具有低成本、通訊效率高、應用廣泛與速度快等優點，是工業自動化控制網路發展的必然趨勢。本文首先討論了工業乙太網路的發展，並介紹了發展過程中的傳統匯流排與乙太網路，然後分析了EtherCAT技術與工作原理，依照EtherCAT的既定架構與MIAT方法論，經過系統分析、IDEF0與Grafcet後，設計出EtherCAT主站軟體的主要架構，並參考CoDeSys軟體的運作流程，用C語言開發EtherCAT主站，所開發出的軟體在ARM開發版上的Linaro Ubuntu作業系統下執行與從站做連結溝通，並傳送指令封包驅動從站的輸出埠來驗證EtherCAT主站功能。本研究實現了EtherCAT主站的嵌入式系統，期望以更低的系統建置成本、更少的消耗功率和縮小設備體積，達成即時、準確與抗干擾的工業自動化系統通訊和控制應用。 ;The control accuracy and real-time requirements of automatic control system is increasing day by day, the traditional interface bus and Ethernet has been unable to meet the demand. EtherCAT has the advantages of low cost, high efficiency, wide application and communication fast, is the inevitable trend of the development of industrial automation and control network. First, we discussesthe development of embeddedindustrial ethernet, and introduces the development of traditional bus and ethernet, then analyzes the EtherCAT works and technology, design the EtherCAT master embedded software, by combining MIAT Methodology, system analysis, IDEF0 and Grafcet, and refer to CoDeSys software the operational process, using C language development EtherCAT master, finally implementation developed software on ARM and transmits the instruction packet driver the EtherCAT slave I/O ports to verify the EtherCAT master embedded software function. This research implement embedded system on EtherCAT master, expect to cost reduced, lower power consumption and reduce equipment size to implement real-time, accuracy and noiseless industry automatic system that can be used in communication and control system.
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