【摘要】：在傳統(tǒng)的數(shù)據(jù)傳輸及工業(yè)自動(dòng)化控制領(lǐng)域,有成千上萬的數(shù)據(jù)采集、通信和自動(dòng)控制設(shè)備都是利用Meter Bus總線、CAN總線等進(jìn)行數(shù)據(jù)通信、數(shù)據(jù)交換和數(shù)據(jù)管理的。雖然Meter Bus總線、CAN總線都具有一些先天性的優(yōu)勢(shì)。諸如低功耗、造價(jià)低廉、設(shè)計(jì)簡(jiǎn)單、應(yīng)用廣泛等特點(diǎn)。但是,隨著社會(huì)需求的發(fā)展,穩(wěn)定、大流量、長(zhǎng)距離、高速度、高集成度、交互性強(qiáng)和資源共享的系統(tǒng)成為必然,從而使得單純的Meter bus總線通信或者CAN總線通信不能滿足社會(huì)的需求。 同時(shí),隨著互聯(lián)網(wǎng)的迅猛發(fā)展,支持TCP/IP協(xié)議的以太網(wǎng)的功能得到了極大的完善,并且已經(jīng)延伸到社會(huì)的各個(gè)角落。與Meter Bus總線通信和CAN總線通信相比較,TCP/IP網(wǎng)絡(luò)是基于復(fù)雜環(huán)境設(shè)計(jì)的,具有自動(dòng)糾錯(cuò)功能,通信質(zhì)量穩(wěn)定。目前100M已經(jīng)是TCP/IP網(wǎng)絡(luò)的標(biāo)準(zhǔn)配置,1000M也在快速的普及當(dāng)中。這么快的傳輸速度是Meter Bus總線通信和CAN總線通信所無法達(dá)到的。而且,TCP/IP網(wǎng)絡(luò)的開放性非常強(qiáng),只要接入互聯(lián)網(wǎng),通信距離就可以無限延長(zhǎng),從而可以實(shí)現(xiàn)最大限度的信息和資源共享。 基于此,充分利用Meter Bus總線通信和CAN總線通信的優(yōu)勢(shì),同時(shí)與開放的TCP/IP網(wǎng)絡(luò)銜接,正是目前國(guó)內(nèi)外測(cè)控技術(shù)研究的重點(diǎn),我們把它稱為網(wǎng)絡(luò)化的測(cè)控技術(shù)。本文基于嵌入式Linux系統(tǒng),設(shè)計(jì)并實(shí)現(xiàn)了Meter Bus總線和CAN總線與TCP/IP網(wǎng)絡(luò)的通信轉(zhuǎn)換網(wǎng)關(guān),完成了Meter Bus總線和CAN總線與TCP/IP網(wǎng)絡(luò)的數(shù)據(jù)通信。 本文所設(shè)計(jì)的系統(tǒng)實(shí)用性強(qiáng)、可擴(kuò)展性好、價(jià)格低廉,不僅能夠保持原有MeterBus總線通信、CAN總線通信和TCP/IP網(wǎng)絡(luò)的原有優(yōu)勢(shì),還能實(shí)現(xiàn)三者的優(yōu)勢(shì)的并集目標(biāo)——優(yōu)勢(shì)最大化,同時(shí),為數(shù)據(jù)傳輸和工業(yè)化自動(dòng)化控制的相關(guān)應(yīng)用提供了良好的方法和手段,具有良好的應(yīng)用前景和市場(chǎng)推廣價(jià)值。
[Abstract]:In the field of traditional data transmission and industrial automation control, there are thousands of data acquisition, communication and automatic control equipment using Meter Bus bus and can bus for data communication, data exchange and data management. Although Meter Bus bus and can bus all have some congenital advantages. Such as low power consumption, low cost, simple design, wide application and so on. However, with the development of social demand, stability, large flow, long distance, high speed, high integration, strong interactivity and resource sharing become inevitable. So that the simple Meter bus communication or CAN bus communication can not meet the needs of society. At the same time, with the rapid development of the Internet, the function of Ethernet which supports TCP/IP protocol has been greatly improved, and has been extended to every corner of society. Compared with Meter Bus bus communication and CAN bus communication, TCP / IP network is designed based on complex environment, with automatic error correction function and stable communication quality. At present, 100m is the standard configuration of TCP/IP network. This speed of transmission is beyond the reach of Meter Bus bus and CAN bus communication. Moreover, the TCP / IP network is very open, so long as it connects to the Internet, the communication distance can be extended indefinitely, so as to realize the maximum information and resource sharing. Based on this, making full use of the advantages of Meter Bus bus communication and CAN bus communication, and connecting with the open TCP/IP network at the same time, is the focus of the research on measurement and control technology at home and abroad at present, we call it the networked measurement and control technology. Based on embedded Linux system, this paper designs and implements the communication gateway between Meter Bus bus and CAN bus and TCP/IP network, and completes the data communication between Meter Bus bus and CAN bus and TCP/IP network. The system designed in this paper has the advantages of strong practicability, good expansibility and low price. It can not only maintain the original advantages of MeterBus bus communication and TCP/IP network, but also realize the combination goal of the three advantages-advantage maximization, at the same time, It provides a good method and means for the application of data transmission and industrial automation control, and has a good application prospect and market promotion value.
【學(xué)位授予單位】：云南大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2013
【分類號(hào)】：TP336

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