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1、上海交通大學(xué)碩士學(xué)位論文基于嵌入式模塊構(gòu)建工業(yè)以太網(wǎng)姓名：孫榮申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：控制理論與控制工程指導(dǎo)教師：邵惠鶴2003.1.1上海交通大學(xué)碩士學(xué)位論文摘要在網(wǎng)絡(luò)技術(shù)日新月異發(fā)展的今天傳統(tǒng)的現(xiàn)場(chǎng)總線技術(shù)已經(jīng)無(wú)法實(shí)現(xiàn)工業(yè)自動(dòng)化系統(tǒng)和辦公自動(dòng)化系統(tǒng)的無(wú)縫結(jié)合而由于以太網(wǎng)技術(shù)在確定性速度和信息優(yōu)先級(jí)等方面有了突破性進(jìn)展把以太網(wǎng)技術(shù)從商業(yè)應(yīng)用領(lǐng)域引入到現(xiàn)場(chǎng)控制領(lǐng)域?qū)⑹枪I(yè)控制系統(tǒng)發(fā)展的最佳選擇本文以國(guó)家985項(xiàng)目過(guò)程控制與優(yōu)化開(kāi)放式計(jì)算機(jī)集成技術(shù)中子項(xiàng)構(gòu)建工業(yè)以太網(wǎng)為背景將嵌入式系統(tǒng)技術(shù)與以太網(wǎng)技術(shù)相結(jié)合提出了一種基于嵌入式以太網(wǎng)控制模塊構(gòu)建工業(yè)以太網(wǎng)的全新解決方案本文首先
2、介紹了工業(yè)以太網(wǎng)的發(fā)展背景分析了工業(yè)以太網(wǎng)的優(yōu)點(diǎn)及缺陷并綜述了國(guó)際上工業(yè)以太網(wǎng)研究現(xiàn)狀其次講述了以太網(wǎng)技術(shù)應(yīng)用到工業(yè)生產(chǎn)現(xiàn)場(chǎng)所要采用的一些關(guān)鍵技術(shù)將工業(yè)以太網(wǎng)技術(shù)與現(xiàn)場(chǎng)總線技術(shù)做了相應(yīng)比較然后結(jié)合嵌入式以太網(wǎng)技術(shù)介紹了一種新型的嵌入式以太網(wǎng)控制模塊RCM2200及其開(kāi)發(fā)系統(tǒng)平臺(tái)基于這個(gè)平臺(tái)設(shè)計(jì)了多種工業(yè)以太網(wǎng)智能I/O節(jié)點(diǎn)這些節(jié)點(diǎn)主要包括了模擬量輸入節(jié)點(diǎn)模擬量輸出節(jié)點(diǎn)開(kāi)關(guān)量輸入節(jié)點(diǎn)開(kāi)關(guān)量輸出節(jié)點(diǎn)串行信號(hào)輸入輸出節(jié)點(diǎn)并應(yīng)用Socket編程技術(shù)和交換式集線器將這些智能節(jié)點(diǎn)組成了工業(yè)以太網(wǎng)控制系統(tǒng)最后基于這一技術(shù)方案開(kāi)發(fā)了一套PID自整定控制系統(tǒng)驗(yàn)證了方案的可靠性及有效性關(guān)鍵詞工
3、業(yè)以太網(wǎng)嵌入式模塊過(guò)程控制智能I/O節(jié)點(diǎn)TCP/IP套接字編程PID自整定I上海交通大學(xué)碩士學(xué)位論文ABSTRACTNowadays,thenetworktechnologyhasachievedagreatprogress,andthefieldbustechnologycannotmeettherequirementofseamlessconnectionofindustrialautomationsystemandofficeautomationsystem.SinceEthernettechnologyhasbeenimprovedmuchespeciallyond
4、etermination,speedandinformationpriority,itisthebestchoiceforthedevelopmentofindustrialcontrolsystemtocitetheEthernettechnologyfrombusinessfieldstoindustrialfields.Thethesisiswrittenwiththesupportofnational“985”project“processcontrolandoptimizationopencomputerintegrationtechnology”andcombi
5、neembeddedsystemtechnologywithEthernettechnologytoputforwardanewscheme-realizingindustrialEthernetbasedembeddedEthernetcontrolmodule.ThisthesisfirstintroducesthedevelopmentbackgroundofindustrialEthernet,analyzesboththeadvantagesanddisadvantagesofindustrialEthernetandthecurrentresearchsitua
6、tionismentioned.Afterthat,thekeytechnologiesofhowtousingEthernetinindustrialenvironmentandthedifferencesbetweenindustrialEthernetandFieldbusarediscussed.CombinedwithembeddedEthernettechnology,anewembeddedEthernetcontrolmodule-RCM2200anditsdevelopmentenvironmentareintroducedthen.Basedonthis
7、module,theconcretedesignmethodofintelligentEthernetI/Onodesandthetechnologyofhowtobuildupnetworkarepresentedindetail.ThoseI/Onodescanrealizedifferentfunctions,suchasAD,DA,DI,DOandSerial-Ethernet.AtlastarealizedPIDauto-tuningsystemprovesthereliabilityandvalidit
