【摘要】：生產(chǎn)信息管理系統(tǒng)能夠有效地降低企業(yè)運(yùn)行成本，提高企業(yè)的工作效率，對(duì)企業(yè)發(fā)展具有重要意義。數(shù)據(jù)采集系統(tǒng)則是實(shí)現(xiàn)生產(chǎn)信息管理系統(tǒng)的重要組成部分。OPC技術(shù)作為一套通用型、開放式的數(shù)據(jù)訪問軟硬件接口標(biāo)準(zhǔn)，已被廣泛應(yīng)用在工業(yè)控制領(lǐng)域。基于OPC技術(shù)的數(shù)據(jù)采集系統(tǒng)已經(jīng)在PC機(jī)上得到成熟的應(yīng)用。由于PC機(jī)體積大和功耗較高，不能滿足現(xiàn)在工業(yè)控制朝著輕量級(jí)方向發(fā)展的需求，而嵌入式系統(tǒng)以其獨(dú)立設(shè)備的形態(tài)出現(xiàn)，因其體積小、專用性強(qiáng)、結(jié)構(gòu)簡(jiǎn)單、實(shí)時(shí)性高等特點(diǎn)得到廣泛的應(yīng)用。.NET平臺(tái)是微軟開發(fā)的新一代技術(shù)平臺(tái)，以其簡(jiǎn)單易用、功能強(qiáng)大得到快速發(fā)展。因此，研究基于.NET的嵌入式系統(tǒng)下開發(fā)OPC客戶端程序具有重要的工程應(yīng)用價(jià)值。 本文在結(jié)合OPC客戶端發(fā)展現(xiàn)狀和存在問題的基礎(chǔ)上，提出了一種基于.NET的嵌入式系統(tǒng)OPC客戶端開發(fā)的方法，該方法給出了嵌入式平臺(tái)定制的方法，配置工具的編譯和移植方法以及基于.NET的OPC數(shù)據(jù)采集程序開發(fā)方法。給出了一種支持OPC規(guī)范的WinCE系統(tǒng)設(shè)計(jì)和實(shí)現(xiàn)方法，該操作系統(tǒng)基于OPC規(guī)范和DCOM技術(shù)實(shí)現(xiàn)了遠(yuǎn)程訪問OPC Server的功能。針對(duì)嵌入式系統(tǒng)下OPC數(shù)據(jù)采集程序存在的問題，給出了一種基于.NET的嵌入式系統(tǒng)OPC客戶端程序的實(shí)現(xiàn)方法，，該方法使用COMInterop技術(shù)完成了對(duì)遠(yuǎn)程OPC服務(wù)器的初始化功能，使用ADO.NET技術(shù)實(shí)現(xiàn)了對(duì)大量實(shí)時(shí)數(shù)據(jù)的采集和轉(zhuǎn)存功能。 實(shí)驗(yàn)表明,基于.NET的嵌入式系統(tǒng)OPC客戶端可以穩(wěn)定、有效地對(duì)遠(yuǎn)程OPC服務(wù)器進(jìn)行數(shù)據(jù)采集并運(yùn)用ADO.NET技術(shù)完成數(shù)據(jù)的傳輸。該系統(tǒng)為基于OPC的數(shù)據(jù)采集提供了一套新的解決方案，具有很好的工程應(yīng)用價(jià)值。
[Abstract]:The production information management system can effectively reduce the operation cost and improve the efficiency of the enterprise, which is of great significance to the development of the enterprise. Data acquisition system is an important part of the production information management system. OPC technology, as a set of universal and open interface standards for data access software and hardware, has been widely used in the field of industrial control. The data acquisition system based on OPC technology has been applied in PC. Because of the large volume and high power consumption of PC, it can not meet the demand of the development of industrial control towards lightweight now. However, embedded system appears in the form of independent device, because of its small size, strong specificity and simple structure, the embedded system has the advantages of small size, high specificity and simple structure. NET platform is a new technology platform developed by Microsoft, which is easy to use and powerful. Therefore, it has important engineering application value to study the development of OPC client program based on. Net embedded system. In this paper, based on the development of OPC client and the existing problems, a method of developing embedded system OPC client based on .NET is put forward, and the method of customizing embedded platform is given. The compiling and porting method of configuration tool and the developing method of OPC data acquisition program based on .NET. This paper presents a design and implementation method of WinCE system which supports OPC specification. The operating system realizes remote access to OPC Server based on OPC specification and DCOM technology. Aiming at the problems of OPC data acquisition program in embedded system, this paper presents a realization method of embedded system OPC client program based on. Net. The method uses COMInterop technology to complete the initialization of remote OPC server. The function of collecting and transferring a large amount of real-time data is realized by using ADO.NET technology. The experiment shows that the OPC client of the embedded system based on. Net can collect the data of the remote OPC server effectively and use the ADO.NET technology to complete the data transmission. This system provides a new solution for data acquisition based on OPC and has good engineering application value.
【學(xué)位授予單位】：北京化工大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2013
【分類號(hào)】：TP368.1;TP274.2

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