【摘要】：數(shù)控技術是國家的戰(zhàn)略技術，數(shù)控系統(tǒng)現(xiàn)場總線是高檔數(shù)控系統(tǒng)的核心關鍵技術，國外高檔數(shù)控系統(tǒng)已普遍采用，而國內數(shù)控系統(tǒng)仍未涉及，嚴重制約我國高檔數(shù)控系統(tǒng)的發(fā)展。因此，開發(fā)自主知識產權的現(xiàn)場總線及總線信號監(jiān)測裝置，實現(xiàn)對現(xiàn)場總線的強實時性、高可靠性、全信息性的監(jiān)聽，具有重要意義。論文的主要內容有： 提出了一種基于NCUC-Bus（NC Union of China Fieldbus）總線監(jiān)聽平臺的系統(tǒng)設計方案，分析了NCUC-Bus總線的體系結構、網(wǎng)絡拓撲，研究了總線監(jiān)聽平臺的通信機制及其實時性、可靠性及全信息性的技術特點。 以高性能的ARM+FPGA作為核心處理芯片構成硬件平臺，支持NCUC-Bus現(xiàn)場總線通信，實現(xiàn)了NCUC-Bus現(xiàn)場總線數(shù)據(jù)采集、處理及分析，并支持人機交互顯示界面及以太網(wǎng)、USB等接口的應用。 研究了總線監(jiān)聽平臺嵌入式WinCE操作系統(tǒng)的構建和移植，分析了總線數(shù)據(jù)處理過程，，實現(xiàn)了總線通信的流接口驅動和嵌入式總線監(jiān)聽應用程序設計，并分析了總線鏈路的數(shù)據(jù)幀結構及基本鏈路情況。 搭建了現(xiàn)場總線監(jiān)聽的實驗平臺，進行了總線監(jiān)聽平臺的功能測試，驗證了總線監(jiān)聽的全信息特點，進行了接口延時時間及ARM中斷響應等實時性測試，驗證和分析了總線監(jiān)聽平臺的可靠性。 開發(fā)的基于NCUC-Bus總線監(jiān)聽平臺在華中數(shù)控的高檔數(shù)控系統(tǒng)得到了應用和驗證，其有效性和可靠性達到了設計需求。
[Abstract]:Numerical control technology is a national strategy technology, numerical control system field bus is the core key technology of high-grade numerical control system, foreign high-grade numerical control system has been widely used, but domestic numerical control system is still not involved. The development of high-grade CNC system in our country is seriously restricted. Therefore, it is of great significance to develop the field bus and bus signal monitoring device with independent intellectual property rights, which can monitor the field bus in real time, high reliability and full information. The main contents of this paper are as follows: a system design scheme based on NCUC-Bus (NC Union of China Fieldbus) bus monitoring platform is proposed. The architecture and network topology of NCUC-Bus bus are analyzed, and the communication mechanism and real-time performance of bus monitoring platform are studied. Technical features of reliability and full information. The high performance ARM FPGA is used as the core processing chip to form the hardware platform, which supports the communication of NCUC-Bus fieldbus, realizes the data acquisition, processing and analysis of NCUC-Bus fieldbus, and supports the application of man-machine interactive display interface and Ethernet interface. This paper studies the construction and transplantation of embedded WinCE operating system of bus monitor platform, analyzes the process of bus data processing, realizes the driver of stream interface for bus communication and the design of embedded bus monitor application program. The data frame structure and the basic link of the bus link are analyzed. The experimental platform of fieldbus monitoring is built, and the function test of the bus monitoring platform is carried out. The characteristics of the whole information of the bus monitoring are verified, and the real-time test of interface delay time and ARM interrupt response are carried out. The reliability of the bus monitoring platform is verified and analyzed. The developed monitoring platform based on NCUC-Bus bus has been applied and verified in the high-grade CNC system of Huazhong NC, and its validity and reliability have reached the design requirements.
【學位授予單位】：華中科技大學
【學位級別】：碩士
【學位授予年份】：2013
【分類號】：TG659

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